ixgbe_x550.c revision 1.7.2.2 1 1.7.2.2 jdolecek /******************************************************************************
2 1.7.2.2 jdolecek
3 1.7.2.2 jdolecek Copyright (c) 2001-2017, Intel Corporation
4 1.7.2.2 jdolecek All rights reserved.
5 1.7.2.2 jdolecek
6 1.7.2.2 jdolecek Redistribution and use in source and binary forms, with or without
7 1.7.2.2 jdolecek modification, are permitted provided that the following conditions are met:
8 1.7.2.2 jdolecek
9 1.7.2.2 jdolecek 1. Redistributions of source code must retain the above copyright notice,
10 1.7.2.2 jdolecek this list of conditions and the following disclaimer.
11 1.7.2.2 jdolecek
12 1.7.2.2 jdolecek 2. Redistributions in binary form must reproduce the above copyright
13 1.7.2.2 jdolecek notice, this list of conditions and the following disclaimer in the
14 1.7.2.2 jdolecek documentation and/or other materials provided with the distribution.
15 1.7.2.2 jdolecek
16 1.7.2.2 jdolecek 3. Neither the name of the Intel Corporation nor the names of its
17 1.7.2.2 jdolecek contributors may be used to endorse or promote products derived from
18 1.7.2.2 jdolecek this software without specific prior written permission.
19 1.7.2.2 jdolecek
20 1.7.2.2 jdolecek THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 1.7.2.2 jdolecek AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 1.7.2.2 jdolecek IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 1.7.2.2 jdolecek ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 1.7.2.2 jdolecek LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 1.7.2.2 jdolecek CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 1.7.2.2 jdolecek SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 1.7.2.2 jdolecek INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 1.7.2.2 jdolecek CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 1.7.2.2 jdolecek ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 1.7.2.2 jdolecek POSSIBILITY OF SUCH DAMAGE.
31 1.7.2.2 jdolecek
32 1.7.2.2 jdolecek ******************************************************************************/
33 1.7.2.2 jdolecek /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_x550.c 320688 2017-07-05 17:27:03Z erj $*/
34 1.7.2.2 jdolecek
35 1.7.2.2 jdolecek #include "ixgbe_x550.h"
36 1.7.2.2 jdolecek #include "ixgbe_x540.h"
37 1.7.2.2 jdolecek #include "ixgbe_type.h"
38 1.7.2.2 jdolecek #include "ixgbe_api.h"
39 1.7.2.2 jdolecek #include "ixgbe_common.h"
40 1.7.2.2 jdolecek #include "ixgbe_phy.h"
41 1.7.2.2 jdolecek #include <dev/mii/mii.h>
42 1.7.2.2 jdolecek
43 1.7.2.2 jdolecek static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed);
44 1.7.2.2 jdolecek static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
45 1.7.2.2 jdolecek static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
46 1.7.2.2 jdolecek static s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw);
47 1.7.2.2 jdolecek
48 1.7.2.2 jdolecek /**
49 1.7.2.2 jdolecek * ixgbe_init_ops_X550 - Inits func ptrs and MAC type
50 1.7.2.2 jdolecek * @hw: pointer to hardware structure
51 1.7.2.2 jdolecek *
52 1.7.2.2 jdolecek * Initialize the function pointers and assign the MAC type for X550.
53 1.7.2.2 jdolecek * Does not touch the hardware.
54 1.7.2.2 jdolecek **/
55 1.7.2.2 jdolecek s32 ixgbe_init_ops_X550(struct ixgbe_hw *hw)
56 1.7.2.2 jdolecek {
57 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
58 1.7.2.2 jdolecek struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
59 1.7.2.2 jdolecek s32 ret_val;
60 1.7.2.2 jdolecek
61 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_ops_X550");
62 1.7.2.2 jdolecek
63 1.7.2.2 jdolecek ret_val = ixgbe_init_ops_X540(hw);
64 1.7.2.2 jdolecek mac->ops.dmac_config = ixgbe_dmac_config_X550;
65 1.7.2.2 jdolecek mac->ops.dmac_config_tcs = ixgbe_dmac_config_tcs_X550;
66 1.7.2.2 jdolecek mac->ops.dmac_update_tcs = ixgbe_dmac_update_tcs_X550;
67 1.7.2.2 jdolecek mac->ops.setup_eee = NULL;
68 1.7.2.2 jdolecek mac->ops.set_source_address_pruning =
69 1.7.2.2 jdolecek ixgbe_set_source_address_pruning_X550;
70 1.7.2.2 jdolecek mac->ops.set_ethertype_anti_spoofing =
71 1.7.2.2 jdolecek ixgbe_set_ethertype_anti_spoofing_X550;
72 1.7.2.2 jdolecek
73 1.7.2.2 jdolecek mac->ops.get_rtrup2tc = ixgbe_dcb_get_rtrup2tc_generic;
74 1.7.2.2 jdolecek eeprom->ops.init_params = ixgbe_init_eeprom_params_X550;
75 1.7.2.2 jdolecek eeprom->ops.calc_checksum = ixgbe_calc_eeprom_checksum_X550;
76 1.7.2.2 jdolecek eeprom->ops.read = ixgbe_read_ee_hostif_X550;
77 1.7.2.2 jdolecek eeprom->ops.read_buffer = ixgbe_read_ee_hostif_buffer_X550;
78 1.7.2.2 jdolecek eeprom->ops.write = ixgbe_write_ee_hostif_X550;
79 1.7.2.2 jdolecek eeprom->ops.write_buffer = ixgbe_write_ee_hostif_buffer_X550;
80 1.7.2.2 jdolecek eeprom->ops.update_checksum = ixgbe_update_eeprom_checksum_X550;
81 1.7.2.2 jdolecek eeprom->ops.validate_checksum = ixgbe_validate_eeprom_checksum_X550;
82 1.7.2.2 jdolecek
83 1.7.2.2 jdolecek mac->ops.disable_mdd = ixgbe_disable_mdd_X550;
84 1.7.2.2 jdolecek mac->ops.enable_mdd = ixgbe_enable_mdd_X550;
85 1.7.2.2 jdolecek mac->ops.mdd_event = ixgbe_mdd_event_X550;
86 1.7.2.2 jdolecek mac->ops.restore_mdd_vf = ixgbe_restore_mdd_vf_X550;
87 1.7.2.2 jdolecek mac->ops.disable_rx = ixgbe_disable_rx_x550;
88 1.7.2.2 jdolecek /* Manageability interface */
89 1.7.2.2 jdolecek mac->ops.set_fw_drv_ver = ixgbe_set_fw_drv_ver_x550;
90 1.7.2.2 jdolecek switch (hw->device_id) {
91 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_1G_T:
92 1.7.2.2 jdolecek hw->mac.ops.led_on = NULL;
93 1.7.2.2 jdolecek hw->mac.ops.led_off = NULL;
94 1.7.2.2 jdolecek break;
95 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_10G_T:
96 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_10G_T:
97 1.7.2.2 jdolecek hw->mac.ops.led_on = ixgbe_led_on_t_X550em;
98 1.7.2.2 jdolecek hw->mac.ops.led_off = ixgbe_led_off_t_X550em;
99 1.7.2.2 jdolecek break;
100 1.7.2.2 jdolecek default:
101 1.7.2.2 jdolecek break;
102 1.7.2.2 jdolecek }
103 1.7.2.2 jdolecek return ret_val;
104 1.7.2.2 jdolecek }
105 1.7.2.2 jdolecek
106 1.7.2.2 jdolecek /**
107 1.7.2.2 jdolecek * ixgbe_read_cs4227 - Read CS4227 register
108 1.7.2.2 jdolecek * @hw: pointer to hardware structure
109 1.7.2.2 jdolecek * @reg: register number to write
110 1.7.2.2 jdolecek * @value: pointer to receive value read
111 1.7.2.2 jdolecek *
112 1.7.2.2 jdolecek * Returns status code
113 1.7.2.2 jdolecek **/
114 1.7.2.2 jdolecek static s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value)
115 1.7.2.2 jdolecek {
116 1.7.2.2 jdolecek return hw->link.ops.read_link_unlocked(hw, hw->link.addr, reg, value);
117 1.7.2.2 jdolecek }
118 1.7.2.2 jdolecek
119 1.7.2.2 jdolecek /**
120 1.7.2.2 jdolecek * ixgbe_write_cs4227 - Write CS4227 register
121 1.7.2.2 jdolecek * @hw: pointer to hardware structure
122 1.7.2.2 jdolecek * @reg: register number to write
123 1.7.2.2 jdolecek * @value: value to write to register
124 1.7.2.2 jdolecek *
125 1.7.2.2 jdolecek * Returns status code
126 1.7.2.2 jdolecek **/
127 1.7.2.2 jdolecek static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value)
128 1.7.2.2 jdolecek {
129 1.7.2.2 jdolecek return hw->link.ops.write_link_unlocked(hw, hw->link.addr, reg, value);
130 1.7.2.2 jdolecek }
131 1.7.2.2 jdolecek
132 1.7.2.2 jdolecek /**
133 1.7.2.2 jdolecek * ixgbe_read_pe - Read register from port expander
134 1.7.2.2 jdolecek * @hw: pointer to hardware structure
135 1.7.2.2 jdolecek * @reg: register number to read
136 1.7.2.2 jdolecek * @value: pointer to receive read value
137 1.7.2.2 jdolecek *
138 1.7.2.2 jdolecek * Returns status code
139 1.7.2.2 jdolecek **/
140 1.7.2.2 jdolecek static s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value)
141 1.7.2.2 jdolecek {
142 1.7.2.2 jdolecek s32 status;
143 1.7.2.2 jdolecek
144 1.7.2.2 jdolecek status = ixgbe_read_i2c_byte_unlocked(hw, reg, IXGBE_PE, value);
145 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
146 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
147 1.7.2.2 jdolecek "port expander access failed with %d\n", status);
148 1.7.2.2 jdolecek return status;
149 1.7.2.2 jdolecek }
150 1.7.2.2 jdolecek
151 1.7.2.2 jdolecek /**
152 1.7.2.2 jdolecek * ixgbe_write_pe - Write register to port expander
153 1.7.2.2 jdolecek * @hw: pointer to hardware structure
154 1.7.2.2 jdolecek * @reg: register number to write
155 1.7.2.2 jdolecek * @value: value to write
156 1.7.2.2 jdolecek *
157 1.7.2.2 jdolecek * Returns status code
158 1.7.2.2 jdolecek **/
159 1.7.2.2 jdolecek static s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value)
160 1.7.2.2 jdolecek {
161 1.7.2.2 jdolecek s32 status;
162 1.7.2.2 jdolecek
163 1.7.2.2 jdolecek status = ixgbe_write_i2c_byte_unlocked(hw, reg, IXGBE_PE, value);
164 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
165 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
166 1.7.2.2 jdolecek "port expander access failed with %d\n", status);
167 1.7.2.2 jdolecek return status;
168 1.7.2.2 jdolecek }
169 1.7.2.2 jdolecek
170 1.7.2.2 jdolecek /**
171 1.7.2.2 jdolecek * ixgbe_reset_cs4227 - Reset CS4227 using port expander
172 1.7.2.2 jdolecek * @hw: pointer to hardware structure
173 1.7.2.2 jdolecek *
174 1.7.2.2 jdolecek * This function assumes that the caller has acquired the proper semaphore.
175 1.7.2.2 jdolecek * Returns error code
176 1.7.2.2 jdolecek **/
177 1.7.2.2 jdolecek static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
178 1.7.2.2 jdolecek {
179 1.7.2.2 jdolecek s32 status;
180 1.7.2.2 jdolecek u32 retry;
181 1.7.2.2 jdolecek u16 value;
182 1.7.2.2 jdolecek u8 reg;
183 1.7.2.2 jdolecek
184 1.7.2.2 jdolecek /* Trigger hard reset. */
185 1.7.2.2 jdolecek status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
186 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
187 1.7.2.2 jdolecek return status;
188 1.7.2.2 jdolecek reg |= IXGBE_PE_BIT1;
189 1.7.2.2 jdolecek status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
190 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
191 1.7.2.2 jdolecek return status;
192 1.7.2.2 jdolecek
193 1.7.2.2 jdolecek status = ixgbe_read_pe(hw, IXGBE_PE_CONFIG, ®);
194 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
195 1.7.2.2 jdolecek return status;
196 1.7.2.2 jdolecek reg &= ~IXGBE_PE_BIT1;
197 1.7.2.2 jdolecek status = ixgbe_write_pe(hw, IXGBE_PE_CONFIG, reg);
198 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
199 1.7.2.2 jdolecek return status;
200 1.7.2.2 jdolecek
201 1.7.2.2 jdolecek status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
202 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
203 1.7.2.2 jdolecek return status;
204 1.7.2.2 jdolecek reg &= ~IXGBE_PE_BIT1;
205 1.7.2.2 jdolecek status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
206 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
207 1.7.2.2 jdolecek return status;
208 1.7.2.2 jdolecek
209 1.7.2.2 jdolecek usec_delay(IXGBE_CS4227_RESET_HOLD);
210 1.7.2.2 jdolecek
211 1.7.2.2 jdolecek status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
212 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
213 1.7.2.2 jdolecek return status;
214 1.7.2.2 jdolecek reg |= IXGBE_PE_BIT1;
215 1.7.2.2 jdolecek status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
216 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
217 1.7.2.2 jdolecek return status;
218 1.7.2.2 jdolecek
219 1.7.2.2 jdolecek /* Wait for the reset to complete. */
220 1.7.2.2 jdolecek msec_delay(IXGBE_CS4227_RESET_DELAY);
221 1.7.2.2 jdolecek for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
222 1.7.2.2 jdolecek status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EFUSE_STATUS,
223 1.7.2.2 jdolecek &value);
224 1.7.2.2 jdolecek if (status == IXGBE_SUCCESS &&
225 1.7.2.2 jdolecek value == IXGBE_CS4227_EEPROM_LOAD_OK)
226 1.7.2.2 jdolecek break;
227 1.7.2.2 jdolecek msec_delay(IXGBE_CS4227_CHECK_DELAY);
228 1.7.2.2 jdolecek }
229 1.7.2.2 jdolecek if (retry == IXGBE_CS4227_RETRIES) {
230 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
231 1.7.2.2 jdolecek "CS4227 reset did not complete.");
232 1.7.2.2 jdolecek return IXGBE_ERR_PHY;
233 1.7.2.2 jdolecek }
234 1.7.2.2 jdolecek
235 1.7.2.2 jdolecek status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
236 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
237 1.7.2.2 jdolecek !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
238 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
239 1.7.2.2 jdolecek "CS4227 EEPROM did not load successfully.");
240 1.7.2.2 jdolecek return IXGBE_ERR_PHY;
241 1.7.2.2 jdolecek }
242 1.7.2.2 jdolecek
243 1.7.2.2 jdolecek return IXGBE_SUCCESS;
244 1.7.2.2 jdolecek }
245 1.7.2.2 jdolecek
246 1.7.2.2 jdolecek /**
247 1.7.2.2 jdolecek * ixgbe_check_cs4227 - Check CS4227 and reset as needed
248 1.7.2.2 jdolecek * @hw: pointer to hardware structure
249 1.7.2.2 jdolecek **/
250 1.7.2.2 jdolecek static void ixgbe_check_cs4227(struct ixgbe_hw *hw)
251 1.7.2.2 jdolecek {
252 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
253 1.7.2.2 jdolecek u32 swfw_mask = hw->phy.phy_semaphore_mask;
254 1.7.2.2 jdolecek u16 value = 0;
255 1.7.2.2 jdolecek u8 retry;
256 1.7.2.2 jdolecek
257 1.7.2.2 jdolecek for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
258 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
259 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
260 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
261 1.7.2.2 jdolecek "semaphore failed with %d", status);
262 1.7.2.2 jdolecek msec_delay(IXGBE_CS4227_CHECK_DELAY);
263 1.7.2.2 jdolecek continue;
264 1.7.2.2 jdolecek }
265 1.7.2.2 jdolecek
266 1.7.2.2 jdolecek /* Get status of reset flow. */
267 1.7.2.2 jdolecek status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
268 1.7.2.2 jdolecek
269 1.7.2.2 jdolecek if (status == IXGBE_SUCCESS &&
270 1.7.2.2 jdolecek value == IXGBE_CS4227_RESET_COMPLETE)
271 1.7.2.2 jdolecek goto out;
272 1.7.2.2 jdolecek
273 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
274 1.7.2.2 jdolecek value != IXGBE_CS4227_RESET_PENDING)
275 1.7.2.2 jdolecek break;
276 1.7.2.2 jdolecek
277 1.7.2.2 jdolecek /* Reset is pending. Wait and check again. */
278 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, swfw_mask);
279 1.7.2.2 jdolecek msec_delay(IXGBE_CS4227_CHECK_DELAY);
280 1.7.2.2 jdolecek }
281 1.7.2.2 jdolecek
282 1.7.2.2 jdolecek /* If still pending, assume other instance failed. */
283 1.7.2.2 jdolecek if (retry == IXGBE_CS4227_RETRIES) {
284 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
285 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
286 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
287 1.7.2.2 jdolecek "semaphore failed with %d", status);
288 1.7.2.2 jdolecek return;
289 1.7.2.2 jdolecek }
290 1.7.2.2 jdolecek }
291 1.7.2.2 jdolecek
292 1.7.2.2 jdolecek /* Reset the CS4227. */
293 1.7.2.2 jdolecek status = ixgbe_reset_cs4227(hw);
294 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
295 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
296 1.7.2.2 jdolecek "CS4227 reset failed: %d", status);
297 1.7.2.2 jdolecek goto out;
298 1.7.2.2 jdolecek }
299 1.7.2.2 jdolecek
300 1.7.2.2 jdolecek /* Reset takes so long, temporarily release semaphore in case the
301 1.7.2.2 jdolecek * other driver instance is waiting for the reset indication.
302 1.7.2.2 jdolecek */
303 1.7.2.2 jdolecek ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
304 1.7.2.2 jdolecek IXGBE_CS4227_RESET_PENDING);
305 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, swfw_mask);
306 1.7.2.2 jdolecek msec_delay(10);
307 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
308 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
309 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
310 1.7.2.2 jdolecek "semaphore failed with %d", status);
311 1.7.2.2 jdolecek return;
312 1.7.2.2 jdolecek }
313 1.7.2.2 jdolecek
314 1.7.2.2 jdolecek /* Record completion for next time. */
315 1.7.2.2 jdolecek status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
316 1.7.2.2 jdolecek IXGBE_CS4227_RESET_COMPLETE);
317 1.7.2.2 jdolecek
318 1.7.2.2 jdolecek out:
319 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, swfw_mask);
320 1.7.2.2 jdolecek msec_delay(hw->eeprom.semaphore_delay);
321 1.7.2.2 jdolecek }
322 1.7.2.2 jdolecek
323 1.7.2.2 jdolecek /**
324 1.7.2.2 jdolecek * ixgbe_setup_mux_ctl - Setup ESDP register for I2C mux control
325 1.7.2.2 jdolecek * @hw: pointer to hardware structure
326 1.7.2.2 jdolecek **/
327 1.7.2.2 jdolecek static void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw)
328 1.7.2.2 jdolecek {
329 1.7.2.2 jdolecek u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
330 1.7.2.2 jdolecek
331 1.7.2.2 jdolecek if (hw->bus.lan_id) {
332 1.7.2.2 jdolecek esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
333 1.7.2.2 jdolecek esdp |= IXGBE_ESDP_SDP1_DIR;
334 1.7.2.2 jdolecek }
335 1.7.2.2 jdolecek esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
336 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
337 1.7.2.2 jdolecek IXGBE_WRITE_FLUSH(hw);
338 1.7.2.2 jdolecek }
339 1.7.2.2 jdolecek
340 1.7.2.2 jdolecek /**
341 1.7.2.2 jdolecek * ixgbe_read_phy_reg_mdi_22 - Read from a clause 22 PHY register without lock
342 1.7.2.2 jdolecek * @hw: pointer to hardware structure
343 1.7.2.2 jdolecek * @reg_addr: 32 bit address of PHY register to read
344 1.7.2.2 jdolecek * @dev_type: always unused
345 1.7.2.2 jdolecek * @phy_data: Pointer to read data from PHY register
346 1.7.2.2 jdolecek */
347 1.7.2.2 jdolecek static s32 ixgbe_read_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr,
348 1.7.2.2 jdolecek u32 dev_type, u16 *phy_data)
349 1.7.2.2 jdolecek {
350 1.7.2.2 jdolecek u32 i, data, command;
351 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(dev_type);
352 1.7.2.2 jdolecek
353 1.7.2.2 jdolecek /* Setup and write the read command */
354 1.7.2.2 jdolecek command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
355 1.7.2.2 jdolecek (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
356 1.7.2.2 jdolecek IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_READ_AUTOINC |
357 1.7.2.2 jdolecek IXGBE_MSCA_MDI_COMMAND;
358 1.7.2.2 jdolecek
359 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
360 1.7.2.2 jdolecek
361 1.7.2.2 jdolecek /* Check every 10 usec to see if the access completed.
362 1.7.2.2 jdolecek * The MDI Command bit will clear when the operation is
363 1.7.2.2 jdolecek * complete
364 1.7.2.2 jdolecek */
365 1.7.2.2 jdolecek for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
366 1.7.2.2 jdolecek usec_delay(10);
367 1.7.2.2 jdolecek
368 1.7.2.2 jdolecek command = IXGBE_READ_REG(hw, IXGBE_MSCA);
369 1.7.2.2 jdolecek if (!(command & IXGBE_MSCA_MDI_COMMAND))
370 1.7.2.2 jdolecek break;
371 1.7.2.2 jdolecek }
372 1.7.2.2 jdolecek
373 1.7.2.2 jdolecek if (command & IXGBE_MSCA_MDI_COMMAND) {
374 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_POLLING,
375 1.7.2.2 jdolecek "PHY read command did not complete.\n");
376 1.7.2.2 jdolecek return IXGBE_ERR_PHY;
377 1.7.2.2 jdolecek }
378 1.7.2.2 jdolecek
379 1.7.2.2 jdolecek /* Read operation is complete. Get the data from MSRWD */
380 1.7.2.2 jdolecek data = IXGBE_READ_REG(hw, IXGBE_MSRWD);
381 1.7.2.2 jdolecek data >>= IXGBE_MSRWD_READ_DATA_SHIFT;
382 1.7.2.2 jdolecek *phy_data = (u16)data;
383 1.7.2.2 jdolecek
384 1.7.2.2 jdolecek return IXGBE_SUCCESS;
385 1.7.2.2 jdolecek }
386 1.7.2.2 jdolecek
387 1.7.2.2 jdolecek /**
388 1.7.2.2 jdolecek * ixgbe_write_phy_reg_mdi_22 - Write to a clause 22 PHY register without lock
389 1.7.2.2 jdolecek * @hw: pointer to hardware structure
390 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
391 1.7.2.2 jdolecek * @dev_type: always unused
392 1.7.2.2 jdolecek * @phy_data: Data to write to the PHY register
393 1.7.2.2 jdolecek */
394 1.7.2.2 jdolecek static s32 ixgbe_write_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr,
395 1.7.2.2 jdolecek u32 dev_type, u16 phy_data)
396 1.7.2.2 jdolecek {
397 1.7.2.2 jdolecek u32 i, command;
398 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(dev_type);
399 1.7.2.2 jdolecek
400 1.7.2.2 jdolecek /* Put the data in the MDI single read and write data register*/
401 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data);
402 1.7.2.2 jdolecek
403 1.7.2.2 jdolecek /* Setup and write the write command */
404 1.7.2.2 jdolecek command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
405 1.7.2.2 jdolecek (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
406 1.7.2.2 jdolecek IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_WRITE |
407 1.7.2.2 jdolecek IXGBE_MSCA_MDI_COMMAND;
408 1.7.2.2 jdolecek
409 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
410 1.7.2.2 jdolecek
411 1.7.2.2 jdolecek /* Check every 10 usec to see if the access completed.
412 1.7.2.2 jdolecek * The MDI Command bit will clear when the operation is
413 1.7.2.2 jdolecek * complete
414 1.7.2.2 jdolecek */
415 1.7.2.2 jdolecek for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
416 1.7.2.2 jdolecek usec_delay(10);
417 1.7.2.2 jdolecek
418 1.7.2.2 jdolecek command = IXGBE_READ_REG(hw, IXGBE_MSCA);
419 1.7.2.2 jdolecek if (!(command & IXGBE_MSCA_MDI_COMMAND))
420 1.7.2.2 jdolecek break;
421 1.7.2.2 jdolecek }
422 1.7.2.2 jdolecek
423 1.7.2.2 jdolecek if (command & IXGBE_MSCA_MDI_COMMAND) {
424 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_POLLING,
425 1.7.2.2 jdolecek "PHY write cmd didn't complete\n");
426 1.7.2.2 jdolecek return IXGBE_ERR_PHY;
427 1.7.2.2 jdolecek }
428 1.7.2.2 jdolecek
429 1.7.2.2 jdolecek return IXGBE_SUCCESS;
430 1.7.2.2 jdolecek }
431 1.7.2.2 jdolecek
432 1.7.2.2 jdolecek /**
433 1.7.2.2 jdolecek * ixgbe_identify_phy_x550em - Get PHY type based on device id
434 1.7.2.2 jdolecek * @hw: pointer to hardware structure
435 1.7.2.2 jdolecek *
436 1.7.2.2 jdolecek * Returns error code
437 1.7.2.2 jdolecek */
438 1.7.2.2 jdolecek static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
439 1.7.2.2 jdolecek {
440 1.7.2.2 jdolecek hw->mac.ops.set_lan_id(hw);
441 1.7.2.2 jdolecek
442 1.7.2.2 jdolecek ixgbe_read_mng_if_sel_x550em(hw);
443 1.7.2.2 jdolecek
444 1.7.2.2 jdolecek switch (hw->device_id) {
445 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP:
446 1.7.2.2 jdolecek return ixgbe_identify_module_generic(hw);
447 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_SFP:
448 1.7.2.2 jdolecek /* set up for CS4227 usage */
449 1.7.2.2 jdolecek ixgbe_setup_mux_ctl(hw);
450 1.7.2.2 jdolecek ixgbe_check_cs4227(hw);
451 1.7.2.2 jdolecek /* Fallthrough */
452 1.7.2.2 jdolecek
453 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP_N:
454 1.7.2.2 jdolecek return ixgbe_identify_module_generic(hw);
455 1.7.2.2 jdolecek break;
456 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_KX4:
457 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_x550em_kx4;
458 1.7.2.2 jdolecek break;
459 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_XFI:
460 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_x550em_xfi;
461 1.7.2.2 jdolecek break;
462 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_KR:
463 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR:
464 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR_L:
465 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_x550em_kr;
466 1.7.2.2 jdolecek break;
467 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_10G_T:
468 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_10G_T:
469 1.7.2.2 jdolecek return ixgbe_identify_phy_generic(hw);
470 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_1G_T:
471 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_ext_1g_t;
472 1.7.2.2 jdolecek hw->phy.ops.read_reg = NULL;
473 1.7.2.2 jdolecek hw->phy.ops.write_reg = NULL;
474 1.7.2.2 jdolecek break;
475 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
476 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
477 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_fw;
478 1.7.2.2 jdolecek hw->phy.ops.read_reg = NULL;
479 1.7.2.2 jdolecek hw->phy.ops.write_reg = NULL;
480 1.7.2.2 jdolecek if (hw->bus.lan_id)
481 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
482 1.7.2.2 jdolecek else
483 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
484 1.7.2.2 jdolecek break;
485 1.7.2.2 jdolecek default:
486 1.7.2.2 jdolecek break;
487 1.7.2.2 jdolecek }
488 1.7.2.2 jdolecek return IXGBE_SUCCESS;
489 1.7.2.2 jdolecek }
490 1.7.2.2 jdolecek
491 1.7.2.2 jdolecek /**
492 1.7.2.2 jdolecek * ixgbe_fw_phy_activity - Perform an activity on a PHY
493 1.7.2.2 jdolecek * @hw: pointer to hardware structure
494 1.7.2.2 jdolecek * @activity: activity to perform
495 1.7.2.2 jdolecek * @data: Pointer to 4 32-bit words of data
496 1.7.2.2 jdolecek */
497 1.7.2.2 jdolecek s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity,
498 1.7.2.2 jdolecek u32 (*data)[FW_PHY_ACT_DATA_COUNT])
499 1.7.2.2 jdolecek {
500 1.7.2.2 jdolecek union {
501 1.7.2.2 jdolecek struct ixgbe_hic_phy_activity_req cmd;
502 1.7.2.2 jdolecek struct ixgbe_hic_phy_activity_resp rsp;
503 1.7.2.2 jdolecek } hic;
504 1.7.2.2 jdolecek u16 retries = FW_PHY_ACT_RETRIES;
505 1.7.2.2 jdolecek s32 rc;
506 1.7.2.2 jdolecek u16 i;
507 1.7.2.2 jdolecek
508 1.7.2.2 jdolecek do {
509 1.7.2.2 jdolecek memset(&hic, 0, sizeof(hic));
510 1.7.2.2 jdolecek hic.cmd.hdr.cmd = FW_PHY_ACT_REQ_CMD;
511 1.7.2.2 jdolecek hic.cmd.hdr.buf_len = FW_PHY_ACT_REQ_LEN;
512 1.7.2.2 jdolecek hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
513 1.7.2.2 jdolecek hic.cmd.port_number = hw->bus.lan_id;
514 1.7.2.2 jdolecek hic.cmd.activity_id = IXGBE_CPU_TO_LE16(activity);
515 1.7.2.2 jdolecek for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
516 1.7.2.2 jdolecek hic.cmd.data[i] = IXGBE_CPU_TO_BE32((*data)[i]);
517 1.7.2.2 jdolecek
518 1.7.2.2 jdolecek rc = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
519 1.7.2.2 jdolecek sizeof(hic.cmd),
520 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT,
521 1.7.2.2 jdolecek TRUE);
522 1.7.2.2 jdolecek if (rc != IXGBE_SUCCESS)
523 1.7.2.2 jdolecek return rc;
524 1.7.2.2 jdolecek if (hic.rsp.hdr.cmd_or_resp.ret_status ==
525 1.7.2.2 jdolecek FW_CEM_RESP_STATUS_SUCCESS) {
526 1.7.2.2 jdolecek for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
527 1.7.2.2 jdolecek (*data)[i] = IXGBE_BE32_TO_CPU(hic.rsp.data[i]);
528 1.7.2.2 jdolecek return IXGBE_SUCCESS;
529 1.7.2.2 jdolecek }
530 1.7.2.2 jdolecek usec_delay(20);
531 1.7.2.2 jdolecek --retries;
532 1.7.2.2 jdolecek } while (retries > 0);
533 1.7.2.2 jdolecek
534 1.7.2.2 jdolecek return IXGBE_ERR_HOST_INTERFACE_COMMAND;
535 1.7.2.2 jdolecek }
536 1.7.2.2 jdolecek
537 1.7.2.2 jdolecek static const struct {
538 1.7.2.2 jdolecek u16 fw_speed;
539 1.7.2.2 jdolecek ixgbe_link_speed phy_speed;
540 1.7.2.2 jdolecek } ixgbe_fw_map[] = {
541 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_10, IXGBE_LINK_SPEED_10_FULL },
542 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_100, IXGBE_LINK_SPEED_100_FULL },
543 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_1G, IXGBE_LINK_SPEED_1GB_FULL },
544 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_2_5G, IXGBE_LINK_SPEED_2_5GB_FULL },
545 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_5G, IXGBE_LINK_SPEED_5GB_FULL },
546 1.7.2.2 jdolecek { FW_PHY_ACT_LINK_SPEED_10G, IXGBE_LINK_SPEED_10GB_FULL },
547 1.7.2.2 jdolecek };
548 1.7.2.2 jdolecek
549 1.7.2.2 jdolecek /**
550 1.7.2.2 jdolecek * ixgbe_get_phy_id_fw - Get the phy ID via firmware command
551 1.7.2.2 jdolecek * @hw: pointer to hardware structure
552 1.7.2.2 jdolecek *
553 1.7.2.2 jdolecek * Returns error code
554 1.7.2.2 jdolecek */
555 1.7.2.2 jdolecek static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
556 1.7.2.2 jdolecek {
557 1.7.2.2 jdolecek u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
558 1.7.2.2 jdolecek u16 phy_speeds;
559 1.7.2.2 jdolecek u16 phy_id_lo;
560 1.7.2.2 jdolecek s32 rc;
561 1.7.2.2 jdolecek u16 i;
562 1.7.2.2 jdolecek
563 1.7.2.2 jdolecek rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_PHY_INFO, &info);
564 1.7.2.2 jdolecek if (rc)
565 1.7.2.2 jdolecek return rc;
566 1.7.2.2 jdolecek
567 1.7.2.2 jdolecek hw->phy.speeds_supported = 0;
568 1.7.2.2 jdolecek phy_speeds = info[0] & FW_PHY_INFO_SPEED_MASK;
569 1.7.2.2 jdolecek for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
570 1.7.2.2 jdolecek if (phy_speeds & ixgbe_fw_map[i].fw_speed)
571 1.7.2.2 jdolecek hw->phy.speeds_supported |= ixgbe_fw_map[i].phy_speed;
572 1.7.2.2 jdolecek }
573 1.7.2.2 jdolecek if (!hw->phy.autoneg_advertised)
574 1.7.2.2 jdolecek hw->phy.autoneg_advertised = hw->phy.speeds_supported;
575 1.7.2.2 jdolecek
576 1.7.2.2 jdolecek hw->phy.id = info[0] & FW_PHY_INFO_ID_HI_MASK;
577 1.7.2.2 jdolecek phy_id_lo = info[1] & FW_PHY_INFO_ID_LO_MASK;
578 1.7.2.2 jdolecek hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK;
579 1.7.2.2 jdolecek hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK;
580 1.7.2.2 jdolecek if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK)
581 1.7.2.2 jdolecek return IXGBE_ERR_PHY_ADDR_INVALID;
582 1.7.2.2 jdolecek return IXGBE_SUCCESS;
583 1.7.2.2 jdolecek }
584 1.7.2.2 jdolecek
585 1.7.2.2 jdolecek /**
586 1.7.2.2 jdolecek * ixgbe_identify_phy_fw - Get PHY type based on firmware command
587 1.7.2.2 jdolecek * @hw: pointer to hardware structure
588 1.7.2.2 jdolecek *
589 1.7.2.2 jdolecek * Returns error code
590 1.7.2.2 jdolecek */
591 1.7.2.2 jdolecek static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw)
592 1.7.2.2 jdolecek {
593 1.7.2.2 jdolecek if (hw->bus.lan_id)
594 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM;
595 1.7.2.2 jdolecek else
596 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
597 1.7.2.2 jdolecek
598 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_fw;
599 1.7.2.2 jdolecek hw->phy.ops.read_reg = NULL;
600 1.7.2.2 jdolecek hw->phy.ops.write_reg = NULL;
601 1.7.2.2 jdolecek return ixgbe_get_phy_id_fw(hw);
602 1.7.2.2 jdolecek }
603 1.7.2.2 jdolecek
604 1.7.2.2 jdolecek /**
605 1.7.2.2 jdolecek * ixgbe_shutdown_fw_phy - Shutdown a firmware-controlled PHY
606 1.7.2.2 jdolecek * @hw: pointer to hardware structure
607 1.7.2.2 jdolecek *
608 1.7.2.2 jdolecek * Returns error code
609 1.7.2.2 jdolecek */
610 1.7.2.2 jdolecek s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw)
611 1.7.2.2 jdolecek {
612 1.7.2.2 jdolecek u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
613 1.7.2.2 jdolecek
614 1.7.2.2 jdolecek setup[0] = FW_PHY_ACT_FORCE_LINK_DOWN_OFF;
615 1.7.2.2 jdolecek return ixgbe_fw_phy_activity(hw, FW_PHY_ACT_FORCE_LINK_DOWN, &setup);
616 1.7.2.2 jdolecek }
617 1.7.2.2 jdolecek
618 1.7.2.2 jdolecek static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
619 1.7.2.2 jdolecek u32 device_type, u16 *phy_data)
620 1.7.2.2 jdolecek {
621 1.7.2.2 jdolecek UNREFERENCED_4PARAMETER(*hw, reg_addr, device_type, *phy_data);
622 1.7.2.2 jdolecek return IXGBE_NOT_IMPLEMENTED;
623 1.7.2.2 jdolecek }
624 1.7.2.2 jdolecek
625 1.7.2.2 jdolecek static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
626 1.7.2.2 jdolecek u32 device_type, u16 phy_data)
627 1.7.2.2 jdolecek {
628 1.7.2.2 jdolecek UNREFERENCED_4PARAMETER(*hw, reg_addr, device_type, phy_data);
629 1.7.2.2 jdolecek return IXGBE_NOT_IMPLEMENTED;
630 1.7.2.2 jdolecek }
631 1.7.2.2 jdolecek
632 1.7.2.2 jdolecek /**
633 1.7.2.2 jdolecek * ixgbe_read_i2c_combined_generic - Perform I2C read combined operation
634 1.7.2.2 jdolecek * @hw: pointer to the hardware structure
635 1.7.2.2 jdolecek * @addr: I2C bus address to read from
636 1.7.2.2 jdolecek * @reg: I2C device register to read from
637 1.7.2.2 jdolecek * @val: pointer to location to receive read value
638 1.7.2.2 jdolecek *
639 1.7.2.2 jdolecek * Returns an error code on error.
640 1.7.2.2 jdolecek **/
641 1.7.2.2 jdolecek static s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
642 1.7.2.2 jdolecek u16 reg, u16 *val)
643 1.7.2.2 jdolecek {
644 1.7.2.2 jdolecek return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, TRUE);
645 1.7.2.2 jdolecek }
646 1.7.2.2 jdolecek
647 1.7.2.2 jdolecek /**
648 1.7.2.2 jdolecek * ixgbe_read_i2c_combined_generic_unlocked - Do I2C read combined operation
649 1.7.2.2 jdolecek * @hw: pointer to the hardware structure
650 1.7.2.2 jdolecek * @addr: I2C bus address to read from
651 1.7.2.2 jdolecek * @reg: I2C device register to read from
652 1.7.2.2 jdolecek * @val: pointer to location to receive read value
653 1.7.2.2 jdolecek *
654 1.7.2.2 jdolecek * Returns an error code on error.
655 1.7.2.2 jdolecek **/
656 1.7.2.2 jdolecek static s32
657 1.7.2.2 jdolecek ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr,
658 1.7.2.2 jdolecek u16 reg, u16 *val)
659 1.7.2.2 jdolecek {
660 1.7.2.2 jdolecek return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, FALSE);
661 1.7.2.2 jdolecek }
662 1.7.2.2 jdolecek
663 1.7.2.2 jdolecek /**
664 1.7.2.2 jdolecek * ixgbe_write_i2c_combined_generic - Perform I2C write combined operation
665 1.7.2.2 jdolecek * @hw: pointer to the hardware structure
666 1.7.2.2 jdolecek * @addr: I2C bus address to write to
667 1.7.2.2 jdolecek * @reg: I2C device register to write to
668 1.7.2.2 jdolecek * @val: value to write
669 1.7.2.2 jdolecek *
670 1.7.2.2 jdolecek * Returns an error code on error.
671 1.7.2.2 jdolecek **/
672 1.7.2.2 jdolecek static s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw,
673 1.7.2.2 jdolecek u8 addr, u16 reg, u16 val)
674 1.7.2.2 jdolecek {
675 1.7.2.2 jdolecek return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, TRUE);
676 1.7.2.2 jdolecek }
677 1.7.2.2 jdolecek
678 1.7.2.2 jdolecek /**
679 1.7.2.2 jdolecek * ixgbe_write_i2c_combined_generic_unlocked - Do I2C write combined operation
680 1.7.2.2 jdolecek * @hw: pointer to the hardware structure
681 1.7.2.2 jdolecek * @addr: I2C bus address to write to
682 1.7.2.2 jdolecek * @reg: I2C device register to write to
683 1.7.2.2 jdolecek * @val: value to write
684 1.7.2.2 jdolecek *
685 1.7.2.2 jdolecek * Returns an error code on error.
686 1.7.2.2 jdolecek **/
687 1.7.2.2 jdolecek static s32
688 1.7.2.2 jdolecek ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw,
689 1.7.2.2 jdolecek u8 addr, u16 reg, u16 val)
690 1.7.2.2 jdolecek {
691 1.7.2.2 jdolecek return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, FALSE);
692 1.7.2.2 jdolecek }
693 1.7.2.2 jdolecek
694 1.7.2.2 jdolecek /**
695 1.7.2.2 jdolecek * ixgbe_init_ops_X550EM - Inits func ptrs and MAC type
696 1.7.2.2 jdolecek * @hw: pointer to hardware structure
697 1.7.2.2 jdolecek *
698 1.7.2.2 jdolecek * Initialize the function pointers and for MAC type X550EM.
699 1.7.2.2 jdolecek * Does not touch the hardware.
700 1.7.2.2 jdolecek **/
701 1.7.2.2 jdolecek s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw)
702 1.7.2.2 jdolecek {
703 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
704 1.7.2.2 jdolecek struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
705 1.7.2.2 jdolecek struct ixgbe_phy_info *phy = &hw->phy;
706 1.7.2.2 jdolecek s32 ret_val;
707 1.7.2.2 jdolecek
708 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_ops_X550EM");
709 1.7.2.2 jdolecek
710 1.7.2.2 jdolecek /* Similar to X550 so start there. */
711 1.7.2.2 jdolecek ret_val = ixgbe_init_ops_X550(hw);
712 1.7.2.2 jdolecek
713 1.7.2.2 jdolecek /* Since this function eventually calls
714 1.7.2.2 jdolecek * ixgbe_init_ops_540 by design, we are setting
715 1.7.2.2 jdolecek * the pointers to NULL explicitly here to overwrite
716 1.7.2.2 jdolecek * the values being set in the x540 function.
717 1.7.2.2 jdolecek */
718 1.7.2.2 jdolecek
719 1.7.2.2 jdolecek /* Bypass not supported in x550EM */
720 1.7.2.2 jdolecek mac->ops.bypass_rw = NULL;
721 1.7.2.2 jdolecek mac->ops.bypass_valid_rd = NULL;
722 1.7.2.2 jdolecek mac->ops.bypass_set = NULL;
723 1.7.2.2 jdolecek mac->ops.bypass_rd_eep = NULL;
724 1.7.2.2 jdolecek
725 1.7.2.2 jdolecek /* FCOE not supported in x550EM */
726 1.7.2.2 jdolecek mac->ops.get_san_mac_addr = NULL;
727 1.7.2.2 jdolecek mac->ops.set_san_mac_addr = NULL;
728 1.7.2.2 jdolecek mac->ops.get_wwn_prefix = NULL;
729 1.7.2.2 jdolecek mac->ops.get_fcoe_boot_status = NULL;
730 1.7.2.2 jdolecek
731 1.7.2.2 jdolecek /* IPsec not supported in x550EM */
732 1.7.2.2 jdolecek mac->ops.disable_sec_rx_path = NULL;
733 1.7.2.2 jdolecek mac->ops.enable_sec_rx_path = NULL;
734 1.7.2.2 jdolecek
735 1.7.2.2 jdolecek /* AUTOC register is not present in x550EM. */
736 1.7.2.2 jdolecek mac->ops.prot_autoc_read = NULL;
737 1.7.2.2 jdolecek mac->ops.prot_autoc_write = NULL;
738 1.7.2.2 jdolecek
739 1.7.2.2 jdolecek /* X550EM bus type is internal*/
740 1.7.2.2 jdolecek hw->bus.type = ixgbe_bus_type_internal;
741 1.7.2.2 jdolecek mac->ops.get_bus_info = ixgbe_get_bus_info_X550em;
742 1.7.2.2 jdolecek
743 1.7.2.2 jdolecek
744 1.7.2.2 jdolecek mac->ops.get_media_type = ixgbe_get_media_type_X550em;
745 1.7.2.2 jdolecek mac->ops.setup_sfp = ixgbe_setup_sfp_modules_X550em;
746 1.7.2.2 jdolecek mac->ops.get_link_capabilities = ixgbe_get_link_capabilities_X550em;
747 1.7.2.2 jdolecek mac->ops.reset_hw = ixgbe_reset_hw_X550em;
748 1.7.2.2 jdolecek mac->ops.get_supported_physical_layer =
749 1.7.2.2 jdolecek ixgbe_get_supported_physical_layer_X550em;
750 1.7.2.2 jdolecek
751 1.7.2.2 jdolecek if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper)
752 1.7.2.2 jdolecek mac->ops.setup_fc = ixgbe_setup_fc_generic;
753 1.7.2.2 jdolecek else
754 1.7.2.2 jdolecek mac->ops.setup_fc = ixgbe_setup_fc_X550em;
755 1.7.2.2 jdolecek
756 1.7.2.2 jdolecek /* PHY */
757 1.7.2.2 jdolecek phy->ops.init = ixgbe_init_phy_ops_X550em;
758 1.7.2.2 jdolecek switch (hw->device_id) {
759 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
760 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
761 1.7.2.2 jdolecek mac->ops.setup_fc = NULL;
762 1.7.2.2 jdolecek phy->ops.identify = ixgbe_identify_phy_fw;
763 1.7.2.2 jdolecek phy->ops.set_phy_power = NULL;
764 1.7.2.2 jdolecek phy->ops.get_firmware_version = NULL;
765 1.7.2.2 jdolecek break;
766 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_1G_T:
767 1.7.2.2 jdolecek mac->ops.setup_fc = NULL;
768 1.7.2.2 jdolecek phy->ops.identify = ixgbe_identify_phy_x550em;
769 1.7.2.2 jdolecek phy->ops.set_phy_power = NULL;
770 1.7.2.2 jdolecek break;
771 1.7.2.2 jdolecek default:
772 1.7.2.2 jdolecek phy->ops.identify = ixgbe_identify_phy_x550em;
773 1.7.2.2 jdolecek }
774 1.7.2.2 jdolecek
775 1.7.2.2 jdolecek if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
776 1.7.2.2 jdolecek phy->ops.set_phy_power = NULL;
777 1.7.2.2 jdolecek
778 1.7.2.2 jdolecek
779 1.7.2.2 jdolecek /* EEPROM */
780 1.7.2.2 jdolecek eeprom->ops.init_params = ixgbe_init_eeprom_params_X540;
781 1.7.2.2 jdolecek eeprom->ops.read = ixgbe_read_ee_hostif_X550;
782 1.7.2.2 jdolecek eeprom->ops.read_buffer = ixgbe_read_ee_hostif_buffer_X550;
783 1.7.2.2 jdolecek eeprom->ops.write = ixgbe_write_ee_hostif_X550;
784 1.7.2.2 jdolecek eeprom->ops.write_buffer = ixgbe_write_ee_hostif_buffer_X550;
785 1.7.2.2 jdolecek eeprom->ops.update_checksum = ixgbe_update_eeprom_checksum_X550;
786 1.7.2.2 jdolecek eeprom->ops.validate_checksum = ixgbe_validate_eeprom_checksum_X550;
787 1.7.2.2 jdolecek eeprom->ops.calc_checksum = ixgbe_calc_eeprom_checksum_X550;
788 1.7.2.2 jdolecek
789 1.7.2.2 jdolecek return ret_val;
790 1.7.2.2 jdolecek }
791 1.7.2.2 jdolecek
792 1.7.2.2 jdolecek #define IXGBE_DENVERTON_WA 1
793 1.7.2.2 jdolecek
794 1.7.2.2 jdolecek /**
795 1.7.2.2 jdolecek * ixgbe_setup_fw_link - Setup firmware-controlled PHYs
796 1.7.2.2 jdolecek * @hw: pointer to hardware structure
797 1.7.2.2 jdolecek */
798 1.7.2.2 jdolecek static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
799 1.7.2.2 jdolecek {
800 1.7.2.2 jdolecek u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
801 1.7.2.2 jdolecek s32 rc;
802 1.7.2.2 jdolecek #ifdef IXGBE_DENVERTON_WA
803 1.7.2.2 jdolecek s32 ret_val;
804 1.7.2.2 jdolecek u16 phydata;
805 1.7.2.2 jdolecek #endif
806 1.7.2.2 jdolecek u16 i;
807 1.7.2.2 jdolecek
808 1.7.2.2 jdolecek if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
809 1.7.2.2 jdolecek return 0;
810 1.7.2.2 jdolecek
811 1.7.2.2 jdolecek if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
812 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
813 1.7.2.2 jdolecek "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
814 1.7.2.2 jdolecek return IXGBE_ERR_INVALID_LINK_SETTINGS;
815 1.7.2.2 jdolecek }
816 1.7.2.2 jdolecek
817 1.7.2.2 jdolecek switch (hw->fc.requested_mode) {
818 1.7.2.2 jdolecek case ixgbe_fc_full:
819 1.7.2.2 jdolecek setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX <<
820 1.7.2.2 jdolecek FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
821 1.7.2.2 jdolecek break;
822 1.7.2.2 jdolecek case ixgbe_fc_rx_pause:
823 1.7.2.2 jdolecek setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RX <<
824 1.7.2.2 jdolecek FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
825 1.7.2.2 jdolecek break;
826 1.7.2.2 jdolecek case ixgbe_fc_tx_pause:
827 1.7.2.2 jdolecek setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_TX <<
828 1.7.2.2 jdolecek FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
829 1.7.2.2 jdolecek break;
830 1.7.2.2 jdolecek default:
831 1.7.2.2 jdolecek break;
832 1.7.2.2 jdolecek }
833 1.7.2.2 jdolecek
834 1.7.2.2 jdolecek for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
835 1.7.2.2 jdolecek if (hw->phy.autoneg_advertised & ixgbe_fw_map[i].phy_speed)
836 1.7.2.2 jdolecek setup[0] |= ixgbe_fw_map[i].fw_speed;
837 1.7.2.2 jdolecek }
838 1.7.2.2 jdolecek setup[0] |= FW_PHY_ACT_SETUP_LINK_HP | FW_PHY_ACT_SETUP_LINK_AN;
839 1.7.2.2 jdolecek
840 1.7.2.2 jdolecek if (hw->phy.eee_speeds_advertised)
841 1.7.2.2 jdolecek setup[0] |= FW_PHY_ACT_SETUP_LINK_EEE;
842 1.7.2.2 jdolecek
843 1.7.2.2 jdolecek #ifdef IXGBE_DENVERTON_WA
844 1.7.2.2 jdolecek /* Don't use auto-nego for 10/100Mbps */
845 1.7.2.2 jdolecek if ((hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_100_FULL)
846 1.7.2.2 jdolecek || (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_10_FULL)) {
847 1.7.2.2 jdolecek setup[0] &= ~FW_PHY_ACT_SETUP_LINK_AN;
848 1.7.2.2 jdolecek setup[0] &= ~FW_PHY_ACT_SETUP_LINK_EEE;
849 1.7.2.2 jdolecek setup[0] &= ~(FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX
850 1.7.2.2 jdolecek << FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT);
851 1.7.2.2 jdolecek }
852 1.7.2.2 jdolecek #endif
853 1.7.2.2 jdolecek
854 1.7.2.2 jdolecek rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup);
855 1.7.2.2 jdolecek if (rc)
856 1.7.2.2 jdolecek return rc;
857 1.7.2.2 jdolecek
858 1.7.2.2 jdolecek #ifdef IXGBE_DENVERTON_WA
859 1.7.2.2 jdolecek ret_val = ixgbe_read_phy_reg_x550a(hw, MII_BMCR, 0, &phydata);
860 1.7.2.2 jdolecek if (ret_val != 0)
861 1.7.2.2 jdolecek goto out;
862 1.7.2.2 jdolecek
863 1.7.2.2 jdolecek /*
864 1.7.2.2 jdolecek * Broken firmware sets BMCR register incorrectly if
865 1.7.2.2 jdolecek * FW_PHY_ACT_SETUP_LINK_AN isn't set.
866 1.7.2.2 jdolecek * a) FDX may not be set.
867 1.7.2.2 jdolecek * b) BMCR_SPEED1 (bit 6) is always cleard.
868 1.7.2.2 jdolecek * + -------+------+-----------+-----+--------------------------+
869 1.7.2.2 jdolecek * |request | BMCR | BMCR spd | BMCR | |
870 1.7.2.2 jdolecek * | | (HEX)| (in bits)| FDX | |
871 1.7.2.2 jdolecek * +--------+------+----------+------+--------------------------+
872 1.7.2.2 jdolecek * | 10M | 0000 | 10M(00) | 0 | |
873 1.7.2.2 jdolecek * | 10M | 2000 | 100M(01) | 0 |(I've never observed this)|
874 1.7.2.2 jdolecek * | 10M | 2100 | 100M(01) | 1 | |
875 1.7.2.2 jdolecek * | 100M | 0000 | 10M(00) | 0 | |
876 1.7.2.2 jdolecek * | 100M | 0100 | 10M(00) | 1 | |
877 1.7.2.2 jdolecek * +--------------------------+------+--------------------------+
878 1.7.2.2 jdolecek */
879 1.7.2.2 jdolecek if (((hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_100_FULL)
880 1.7.2.2 jdolecek && (((phydata & BMCR_FDX) == 0) || (BMCR_SPEED(phydata) == 0)))
881 1.7.2.2 jdolecek || ((hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_10_FULL)
882 1.7.2.2 jdolecek && (((phydata & BMCR_FDX) == 0)
883 1.7.2.2 jdolecek || (BMCR_SPEED(phydata) != BMCR_S10)))) {
884 1.7.2.2 jdolecek phydata = BMCR_FDX;
885 1.7.2.2 jdolecek switch (hw->phy.autoneg_advertised) {
886 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_10_FULL:
887 1.7.2.2 jdolecek phydata |= BMCR_S10;
888 1.7.2.2 jdolecek break;
889 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_100_FULL:
890 1.7.2.2 jdolecek phydata |= BMCR_S100;
891 1.7.2.2 jdolecek break;
892 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_1GB_FULL:
893 1.7.2.2 jdolecek panic("%s: 1GB_FULL is set", __func__);
894 1.7.2.2 jdolecek break;
895 1.7.2.2 jdolecek default:
896 1.7.2.2 jdolecek break;
897 1.7.2.2 jdolecek }
898 1.7.2.2 jdolecek ret_val = ixgbe_write_phy_reg_x550a(hw, MII_BMCR, 0, phydata);
899 1.7.2.2 jdolecek if (ret_val != 0)
900 1.7.2.2 jdolecek return ret_val;
901 1.7.2.2 jdolecek }
902 1.7.2.2 jdolecek out:
903 1.7.2.2 jdolecek #endif
904 1.7.2.2 jdolecek if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN)
905 1.7.2.2 jdolecek return IXGBE_ERR_OVERTEMP;
906 1.7.2.2 jdolecek return IXGBE_SUCCESS;
907 1.7.2.2 jdolecek }
908 1.7.2.2 jdolecek
909 1.7.2.2 jdolecek /**
910 1.7.2.2 jdolecek * ixgbe_fc_autoneg_fw _ Set up flow control for FW-controlled PHYs
911 1.7.2.2 jdolecek * @hw: pointer to hardware structure
912 1.7.2.2 jdolecek *
913 1.7.2.2 jdolecek * Called at init time to set up flow control.
914 1.7.2.2 jdolecek */
915 1.7.2.2 jdolecek static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw)
916 1.7.2.2 jdolecek {
917 1.7.2.2 jdolecek if (hw->fc.requested_mode == ixgbe_fc_default)
918 1.7.2.2 jdolecek hw->fc.requested_mode = ixgbe_fc_full;
919 1.7.2.2 jdolecek
920 1.7.2.2 jdolecek return ixgbe_setup_fw_link(hw);
921 1.7.2.2 jdolecek }
922 1.7.2.2 jdolecek
923 1.7.2.2 jdolecek /**
924 1.7.2.2 jdolecek * ixgbe_setup_eee_fw - Enable/disable EEE support
925 1.7.2.2 jdolecek * @hw: pointer to the HW structure
926 1.7.2.2 jdolecek * @enable_eee: boolean flag to enable EEE
927 1.7.2.2 jdolecek *
928 1.7.2.2 jdolecek * Enable/disable EEE based on enable_eee flag.
929 1.7.2.2 jdolecek * This function controls EEE for firmware-based PHY implementations.
930 1.7.2.2 jdolecek */
931 1.7.2.2 jdolecek static s32 ixgbe_setup_eee_fw(struct ixgbe_hw *hw, bool enable_eee)
932 1.7.2.2 jdolecek {
933 1.7.2.2 jdolecek if (!!hw->phy.eee_speeds_advertised == enable_eee)
934 1.7.2.2 jdolecek return IXGBE_SUCCESS;
935 1.7.2.2 jdolecek if (enable_eee)
936 1.7.2.2 jdolecek hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
937 1.7.2.2 jdolecek else
938 1.7.2.2 jdolecek hw->phy.eee_speeds_advertised = 0;
939 1.7.2.2 jdolecek return hw->phy.ops.setup_link(hw);
940 1.7.2.2 jdolecek }
941 1.7.2.2 jdolecek
942 1.7.2.2 jdolecek /**
943 1.7.2.2 jdolecek * ixgbe_init_ops_X550EM_a - Inits func ptrs and MAC type
944 1.7.2.2 jdolecek * @hw: pointer to hardware structure
945 1.7.2.2 jdolecek *
946 1.7.2.2 jdolecek * Initialize the function pointers and for MAC type X550EM_a.
947 1.7.2.2 jdolecek * Does not touch the hardware.
948 1.7.2.2 jdolecek **/
949 1.7.2.2 jdolecek s32 ixgbe_init_ops_X550EM_a(struct ixgbe_hw *hw)
950 1.7.2.2 jdolecek {
951 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
952 1.7.2.2 jdolecek s32 ret_val;
953 1.7.2.2 jdolecek
954 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_ops_X550EM_a");
955 1.7.2.2 jdolecek
956 1.7.2.2 jdolecek /* Start with generic X550EM init */
957 1.7.2.2 jdolecek ret_val = ixgbe_init_ops_X550EM(hw);
958 1.7.2.2 jdolecek
959 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
960 1.7.2.2 jdolecek hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) {
961 1.7.2.2 jdolecek mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
962 1.7.2.2 jdolecek mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
963 1.7.2.2 jdolecek } else {
964 1.7.2.2 jdolecek mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a;
965 1.7.2.2 jdolecek mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a;
966 1.7.2.2 jdolecek }
967 1.7.2.2 jdolecek mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
968 1.7.2.2 jdolecek mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
969 1.7.2.2 jdolecek
970 1.7.2.2 jdolecek switch (mac->ops.get_media_type(hw)) {
971 1.7.2.2 jdolecek case ixgbe_media_type_fiber:
972 1.7.2.2 jdolecek mac->ops.setup_fc = NULL;
973 1.7.2.2 jdolecek mac->ops.fc_autoneg = ixgbe_fc_autoneg_fiber_x550em_a;
974 1.7.2.2 jdolecek break;
975 1.7.2.2 jdolecek case ixgbe_media_type_backplane:
976 1.7.2.2 jdolecek mac->ops.fc_autoneg = ixgbe_fc_autoneg_backplane_x550em_a;
977 1.7.2.2 jdolecek mac->ops.setup_fc = ixgbe_setup_fc_backplane_x550em_a;
978 1.7.2.2 jdolecek break;
979 1.7.2.2 jdolecek default:
980 1.7.2.2 jdolecek break;
981 1.7.2.2 jdolecek }
982 1.7.2.2 jdolecek
983 1.7.2.2 jdolecek switch (hw->device_id) {
984 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
985 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
986 1.7.2.2 jdolecek mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a;
987 1.7.2.2 jdolecek mac->ops.setup_fc = ixgbe_fc_autoneg_fw;
988 1.7.2.2 jdolecek mac->ops.setup_eee = ixgbe_setup_eee_fw;
989 1.7.2.2 jdolecek hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL |
990 1.7.2.2 jdolecek IXGBE_LINK_SPEED_1GB_FULL;
991 1.7.2.2 jdolecek hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
992 1.7.2.2 jdolecek break;
993 1.7.2.2 jdolecek default:
994 1.7.2.2 jdolecek break;
995 1.7.2.2 jdolecek }
996 1.7.2.2 jdolecek
997 1.7.2.2 jdolecek return ret_val;
998 1.7.2.2 jdolecek }
999 1.7.2.2 jdolecek
1000 1.7.2.2 jdolecek /**
1001 1.7.2.2 jdolecek * ixgbe_init_ops_X550EM_x - Inits func ptrs and MAC type
1002 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1003 1.7.2.2 jdolecek *
1004 1.7.2.2 jdolecek * Initialize the function pointers and for MAC type X550EM_x.
1005 1.7.2.2 jdolecek * Does not touch the hardware.
1006 1.7.2.2 jdolecek **/
1007 1.7.2.2 jdolecek s32 ixgbe_init_ops_X550EM_x(struct ixgbe_hw *hw)
1008 1.7.2.2 jdolecek {
1009 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
1010 1.7.2.2 jdolecek struct ixgbe_link_info *link = &hw->link;
1011 1.7.2.2 jdolecek s32 ret_val;
1012 1.7.2.2 jdolecek
1013 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_ops_X550EM_x");
1014 1.7.2.2 jdolecek
1015 1.7.2.2 jdolecek /* Start with generic X550EM init */
1016 1.7.2.2 jdolecek ret_val = ixgbe_init_ops_X550EM(hw);
1017 1.7.2.2 jdolecek
1018 1.7.2.2 jdolecek mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
1019 1.7.2.2 jdolecek mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
1020 1.7.2.2 jdolecek mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
1021 1.7.2.2 jdolecek mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
1022 1.7.2.2 jdolecek link->ops.read_link = ixgbe_read_i2c_combined_generic;
1023 1.7.2.2 jdolecek link->ops.read_link_unlocked = ixgbe_read_i2c_combined_generic_unlocked;
1024 1.7.2.2 jdolecek link->ops.write_link = ixgbe_write_i2c_combined_generic;
1025 1.7.2.2 jdolecek link->ops.write_link_unlocked =
1026 1.7.2.2 jdolecek ixgbe_write_i2c_combined_generic_unlocked;
1027 1.7.2.2 jdolecek link->addr = IXGBE_CS4227;
1028 1.7.2.2 jdolecek
1029 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T) {
1030 1.7.2.2 jdolecek mac->ops.setup_fc = NULL;
1031 1.7.2.2 jdolecek mac->ops.setup_eee = NULL;
1032 1.7.2.2 jdolecek mac->ops.init_led_link_act = NULL;
1033 1.7.2.2 jdolecek }
1034 1.7.2.2 jdolecek
1035 1.7.2.2 jdolecek return ret_val;
1036 1.7.2.2 jdolecek }
1037 1.7.2.2 jdolecek
1038 1.7.2.2 jdolecek /**
1039 1.7.2.2 jdolecek * ixgbe_dmac_config_X550
1040 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1041 1.7.2.2 jdolecek *
1042 1.7.2.2 jdolecek * Configure DMA coalescing. If enabling dmac, dmac is activated.
1043 1.7.2.2 jdolecek * When disabling dmac, dmac enable dmac bit is cleared.
1044 1.7.2.2 jdolecek **/
1045 1.7.2.2 jdolecek s32 ixgbe_dmac_config_X550(struct ixgbe_hw *hw)
1046 1.7.2.2 jdolecek {
1047 1.7.2.2 jdolecek u32 reg, high_pri_tc;
1048 1.7.2.2 jdolecek
1049 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_dmac_config_X550");
1050 1.7.2.2 jdolecek
1051 1.7.2.2 jdolecek /* Disable DMA coalescing before configuring */
1052 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
1053 1.7.2.2 jdolecek reg &= ~IXGBE_DMACR_DMAC_EN;
1054 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
1055 1.7.2.2 jdolecek
1056 1.7.2.2 jdolecek /* Disable DMA Coalescing if the watchdog timer is 0 */
1057 1.7.2.2 jdolecek if (!hw->mac.dmac_config.watchdog_timer)
1058 1.7.2.2 jdolecek goto out;
1059 1.7.2.2 jdolecek
1060 1.7.2.2 jdolecek ixgbe_dmac_config_tcs_X550(hw);
1061 1.7.2.2 jdolecek
1062 1.7.2.2 jdolecek /* Configure DMA Coalescing Control Register */
1063 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
1064 1.7.2.2 jdolecek
1065 1.7.2.2 jdolecek /* Set the watchdog timer in units of 40.96 usec */
1066 1.7.2.2 jdolecek reg &= ~IXGBE_DMACR_DMACWT_MASK;
1067 1.7.2.2 jdolecek reg |= (hw->mac.dmac_config.watchdog_timer * 100) / 4096;
1068 1.7.2.2 jdolecek
1069 1.7.2.2 jdolecek reg &= ~IXGBE_DMACR_HIGH_PRI_TC_MASK;
1070 1.7.2.2 jdolecek /* If fcoe is enabled, set high priority traffic class */
1071 1.7.2.2 jdolecek if (hw->mac.dmac_config.fcoe_en) {
1072 1.7.2.2 jdolecek high_pri_tc = 1 << hw->mac.dmac_config.fcoe_tc;
1073 1.7.2.2 jdolecek reg |= ((high_pri_tc << IXGBE_DMACR_HIGH_PRI_TC_SHIFT) &
1074 1.7.2.2 jdolecek IXGBE_DMACR_HIGH_PRI_TC_MASK);
1075 1.7.2.2 jdolecek }
1076 1.7.2.2 jdolecek reg |= IXGBE_DMACR_EN_MNG_IND;
1077 1.7.2.2 jdolecek
1078 1.7.2.2 jdolecek /* Enable DMA coalescing after configuration */
1079 1.7.2.2 jdolecek reg |= IXGBE_DMACR_DMAC_EN;
1080 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
1081 1.7.2.2 jdolecek
1082 1.7.2.2 jdolecek out:
1083 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1084 1.7.2.2 jdolecek }
1085 1.7.2.2 jdolecek
1086 1.7.2.2 jdolecek /**
1087 1.7.2.2 jdolecek * ixgbe_dmac_config_tcs_X550
1088 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1089 1.7.2.2 jdolecek *
1090 1.7.2.2 jdolecek * Configure DMA coalescing threshold per TC. The dmac enable bit must
1091 1.7.2.2 jdolecek * be cleared before configuring.
1092 1.7.2.2 jdolecek **/
1093 1.7.2.2 jdolecek s32 ixgbe_dmac_config_tcs_X550(struct ixgbe_hw *hw)
1094 1.7.2.2 jdolecek {
1095 1.7.2.2 jdolecek u32 tc, reg, pb_headroom, rx_pb_size, maxframe_size_kb;
1096 1.7.2.2 jdolecek
1097 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_dmac_config_tcs_X550");
1098 1.7.2.2 jdolecek
1099 1.7.2.2 jdolecek /* Configure DMA coalescing enabled */
1100 1.7.2.2 jdolecek switch (hw->mac.dmac_config.link_speed) {
1101 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_10_FULL:
1102 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_100_FULL:
1103 1.7.2.2 jdolecek pb_headroom = IXGBE_DMACRXT_100M;
1104 1.7.2.2 jdolecek break;
1105 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_1GB_FULL:
1106 1.7.2.2 jdolecek pb_headroom = IXGBE_DMACRXT_1G;
1107 1.7.2.2 jdolecek break;
1108 1.7.2.2 jdolecek default:
1109 1.7.2.2 jdolecek pb_headroom = IXGBE_DMACRXT_10G;
1110 1.7.2.2 jdolecek break;
1111 1.7.2.2 jdolecek }
1112 1.7.2.2 jdolecek
1113 1.7.2.2 jdolecek maxframe_size_kb = ((IXGBE_READ_REG(hw, IXGBE_MAXFRS) >>
1114 1.7.2.2 jdolecek IXGBE_MHADD_MFS_SHIFT) / 1024);
1115 1.7.2.2 jdolecek
1116 1.7.2.2 jdolecek /* Set the per Rx packet buffer receive threshold */
1117 1.7.2.2 jdolecek for (tc = 0; tc < IXGBE_DCB_MAX_TRAFFIC_CLASS; tc++) {
1118 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMCTH(tc));
1119 1.7.2.2 jdolecek reg &= ~IXGBE_DMCTH_DMACRXT_MASK;
1120 1.7.2.2 jdolecek
1121 1.7.2.2 jdolecek if (tc < hw->mac.dmac_config.num_tcs) {
1122 1.7.2.2 jdolecek /* Get Rx PB size */
1123 1.7.2.2 jdolecek rx_pb_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(tc));
1124 1.7.2.2 jdolecek rx_pb_size = (rx_pb_size & IXGBE_RXPBSIZE_MASK) >>
1125 1.7.2.2 jdolecek IXGBE_RXPBSIZE_SHIFT;
1126 1.7.2.2 jdolecek
1127 1.7.2.2 jdolecek /* Calculate receive buffer threshold in kilobytes */
1128 1.7.2.2 jdolecek if (rx_pb_size > pb_headroom)
1129 1.7.2.2 jdolecek rx_pb_size = rx_pb_size - pb_headroom;
1130 1.7.2.2 jdolecek else
1131 1.7.2.2 jdolecek rx_pb_size = 0;
1132 1.7.2.2 jdolecek
1133 1.7.2.2 jdolecek /* Minimum of MFS shall be set for DMCTH */
1134 1.7.2.2 jdolecek reg |= (rx_pb_size > maxframe_size_kb) ?
1135 1.7.2.2 jdolecek rx_pb_size : maxframe_size_kb;
1136 1.7.2.2 jdolecek }
1137 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMCTH(tc), reg);
1138 1.7.2.2 jdolecek }
1139 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1140 1.7.2.2 jdolecek }
1141 1.7.2.2 jdolecek
1142 1.7.2.2 jdolecek /**
1143 1.7.2.2 jdolecek * ixgbe_dmac_update_tcs_X550
1144 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1145 1.7.2.2 jdolecek *
1146 1.7.2.2 jdolecek * Disables dmac, updates per TC settings, and then enables dmac.
1147 1.7.2.2 jdolecek **/
1148 1.7.2.2 jdolecek s32 ixgbe_dmac_update_tcs_X550(struct ixgbe_hw *hw)
1149 1.7.2.2 jdolecek {
1150 1.7.2.2 jdolecek u32 reg;
1151 1.7.2.2 jdolecek
1152 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_dmac_update_tcs_X550");
1153 1.7.2.2 jdolecek
1154 1.7.2.2 jdolecek /* Disable DMA coalescing before configuring */
1155 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
1156 1.7.2.2 jdolecek reg &= ~IXGBE_DMACR_DMAC_EN;
1157 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
1158 1.7.2.2 jdolecek
1159 1.7.2.2 jdolecek ixgbe_dmac_config_tcs_X550(hw);
1160 1.7.2.2 jdolecek
1161 1.7.2.2 jdolecek /* Enable DMA coalescing after configuration */
1162 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
1163 1.7.2.2 jdolecek reg |= IXGBE_DMACR_DMAC_EN;
1164 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
1165 1.7.2.2 jdolecek
1166 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1167 1.7.2.2 jdolecek }
1168 1.7.2.2 jdolecek
1169 1.7.2.2 jdolecek /**
1170 1.7.2.2 jdolecek * ixgbe_init_eeprom_params_X550 - Initialize EEPROM params
1171 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1172 1.7.2.2 jdolecek *
1173 1.7.2.2 jdolecek * Initializes the EEPROM parameters ixgbe_eeprom_info within the
1174 1.7.2.2 jdolecek * ixgbe_hw struct in order to set up EEPROM access.
1175 1.7.2.2 jdolecek **/
1176 1.7.2.2 jdolecek s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
1177 1.7.2.2 jdolecek {
1178 1.7.2.2 jdolecek struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
1179 1.7.2.2 jdolecek u32 eec;
1180 1.7.2.2 jdolecek u16 eeprom_size;
1181 1.7.2.2 jdolecek
1182 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_eeprom_params_X550");
1183 1.7.2.2 jdolecek
1184 1.7.2.2 jdolecek if (eeprom->type == ixgbe_eeprom_uninitialized) {
1185 1.7.2.2 jdolecek eeprom->semaphore_delay = 10;
1186 1.7.2.2 jdolecek eeprom->type = ixgbe_flash;
1187 1.7.2.2 jdolecek
1188 1.7.2.2 jdolecek eec = IXGBE_READ_REG(hw, IXGBE_EEC);
1189 1.7.2.2 jdolecek eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
1190 1.7.2.2 jdolecek IXGBE_EEC_SIZE_SHIFT);
1191 1.7.2.2 jdolecek eeprom->word_size = 1 << (eeprom_size +
1192 1.7.2.2 jdolecek IXGBE_EEPROM_WORD_SIZE_SHIFT);
1193 1.7.2.2 jdolecek
1194 1.7.2.2 jdolecek DEBUGOUT2("Eeprom params: type = %d, size = %d\n",
1195 1.7.2.2 jdolecek eeprom->type, eeprom->word_size);
1196 1.7.2.2 jdolecek }
1197 1.7.2.2 jdolecek
1198 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1199 1.7.2.2 jdolecek }
1200 1.7.2.2 jdolecek
1201 1.7.2.2 jdolecek /**
1202 1.7.2.2 jdolecek * ixgbe_set_source_address_pruning_X550 - Enable/Disbale source address pruning
1203 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1204 1.7.2.2 jdolecek * @enable: enable or disable source address pruning
1205 1.7.2.2 jdolecek * @pool: Rx pool to set source address pruning for
1206 1.7.2.2 jdolecek **/
1207 1.7.2.2 jdolecek void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw, bool enable,
1208 1.7.2.2 jdolecek unsigned int pool)
1209 1.7.2.2 jdolecek {
1210 1.7.2.2 jdolecek u64 pfflp;
1211 1.7.2.2 jdolecek
1212 1.7.2.2 jdolecek /* max rx pool is 63 */
1213 1.7.2.2 jdolecek if (pool > 63)
1214 1.7.2.2 jdolecek return;
1215 1.7.2.2 jdolecek
1216 1.7.2.2 jdolecek pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL);
1217 1.7.2.2 jdolecek pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32;
1218 1.7.2.2 jdolecek
1219 1.7.2.2 jdolecek if (enable)
1220 1.7.2.2 jdolecek pfflp |= (1ULL << pool);
1221 1.7.2.2 jdolecek else
1222 1.7.2.2 jdolecek pfflp &= ~(1ULL << pool);
1223 1.7.2.2 jdolecek
1224 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp);
1225 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32));
1226 1.7.2.2 jdolecek }
1227 1.7.2.2 jdolecek
1228 1.7.2.2 jdolecek /**
1229 1.7.2.2 jdolecek * ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable Ethertype anti-spoofing
1230 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1231 1.7.2.2 jdolecek * @enable: enable or disable switch for Ethertype anti-spoofing
1232 1.7.2.2 jdolecek * @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
1233 1.7.2.2 jdolecek *
1234 1.7.2.2 jdolecek **/
1235 1.7.2.2 jdolecek void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
1236 1.7.2.2 jdolecek bool enable, int vf)
1237 1.7.2.2 jdolecek {
1238 1.7.2.2 jdolecek int vf_target_reg = vf >> 3;
1239 1.7.2.2 jdolecek int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT;
1240 1.7.2.2 jdolecek u32 pfvfspoof;
1241 1.7.2.2 jdolecek
1242 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_set_ethertype_anti_spoofing_X550");
1243 1.7.2.2 jdolecek
1244 1.7.2.2 jdolecek pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
1245 1.7.2.2 jdolecek if (enable)
1246 1.7.2.2 jdolecek pfvfspoof |= (1 << vf_target_shift);
1247 1.7.2.2 jdolecek else
1248 1.7.2.2 jdolecek pfvfspoof &= ~(1 << vf_target_shift);
1249 1.7.2.2 jdolecek
1250 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
1251 1.7.2.2 jdolecek }
1252 1.7.2.2 jdolecek
1253 1.7.2.2 jdolecek /**
1254 1.7.2.2 jdolecek * ixgbe_iosf_wait - Wait for IOSF command completion
1255 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1256 1.7.2.2 jdolecek * @ctrl: pointer to location to receive final IOSF control value
1257 1.7.2.2 jdolecek *
1258 1.7.2.2 jdolecek * Returns failing status on timeout
1259 1.7.2.2 jdolecek *
1260 1.7.2.2 jdolecek * Note: ctrl can be NULL if the IOSF control register value is not needed
1261 1.7.2.2 jdolecek **/
1262 1.7.2.2 jdolecek static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
1263 1.7.2.2 jdolecek {
1264 1.7.2.2 jdolecek u32 i, command = 0;
1265 1.7.2.2 jdolecek
1266 1.7.2.2 jdolecek /* Check every 10 usec to see if the address cycle completed.
1267 1.7.2.2 jdolecek * The SB IOSF BUSY bit will clear when the operation is
1268 1.7.2.2 jdolecek * complete
1269 1.7.2.2 jdolecek */
1270 1.7.2.2 jdolecek for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
1271 1.7.2.2 jdolecek command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
1272 1.7.2.2 jdolecek if ((command & IXGBE_SB_IOSF_CTRL_BUSY) == 0)
1273 1.7.2.2 jdolecek break;
1274 1.7.2.2 jdolecek usec_delay(10);
1275 1.7.2.2 jdolecek }
1276 1.7.2.2 jdolecek if (ctrl)
1277 1.7.2.2 jdolecek *ctrl = command;
1278 1.7.2.2 jdolecek if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
1279 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_POLLING, "Wait timed out\n");
1280 1.7.2.2 jdolecek return IXGBE_ERR_PHY;
1281 1.7.2.2 jdolecek }
1282 1.7.2.2 jdolecek
1283 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1284 1.7.2.2 jdolecek }
1285 1.7.2.2 jdolecek
1286 1.7.2.2 jdolecek /**
1287 1.7.2.2 jdolecek * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register
1288 1.7.2.2 jdolecek * of the IOSF device
1289 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1290 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
1291 1.7.2.2 jdolecek * @device_type: 3 bit device type
1292 1.7.2.2 jdolecek * @data: Data to write to the register
1293 1.7.2.2 jdolecek **/
1294 1.7.2.2 jdolecek s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
1295 1.7.2.2 jdolecek u32 device_type, u32 data)
1296 1.7.2.2 jdolecek {
1297 1.7.2.2 jdolecek u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
1298 1.7.2.2 jdolecek u32 command, error __unused;
1299 1.7.2.2 jdolecek s32 ret;
1300 1.7.2.2 jdolecek
1301 1.7.2.2 jdolecek ret = ixgbe_acquire_swfw_semaphore(hw, gssr);
1302 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
1303 1.7.2.2 jdolecek return ret;
1304 1.7.2.2 jdolecek
1305 1.7.2.2 jdolecek ret = ixgbe_iosf_wait(hw, NULL);
1306 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
1307 1.7.2.2 jdolecek goto out;
1308 1.7.2.2 jdolecek
1309 1.7.2.2 jdolecek command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
1310 1.7.2.2 jdolecek (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
1311 1.7.2.2 jdolecek
1312 1.7.2.2 jdolecek /* Write IOSF control register */
1313 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
1314 1.7.2.2 jdolecek
1315 1.7.2.2 jdolecek /* Write IOSF data register */
1316 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA, data);
1317 1.7.2.2 jdolecek
1318 1.7.2.2 jdolecek ret = ixgbe_iosf_wait(hw, &command);
1319 1.7.2.2 jdolecek
1320 1.7.2.2 jdolecek if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
1321 1.7.2.2 jdolecek error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
1322 1.7.2.2 jdolecek IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
1323 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_POLLING,
1324 1.7.2.2 jdolecek "Failed to write, error %x\n", error);
1325 1.7.2.2 jdolecek ret = IXGBE_ERR_PHY;
1326 1.7.2.2 jdolecek }
1327 1.7.2.2 jdolecek
1328 1.7.2.2 jdolecek out:
1329 1.7.2.2 jdolecek ixgbe_release_swfw_semaphore(hw, gssr);
1330 1.7.2.2 jdolecek return ret;
1331 1.7.2.2 jdolecek }
1332 1.7.2.2 jdolecek
1333 1.7.2.2 jdolecek /**
1334 1.7.2.2 jdolecek * ixgbe_read_iosf_sb_reg_x550 - Reads specified register of the IOSF device
1335 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1336 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
1337 1.7.2.2 jdolecek * @device_type: 3 bit device type
1338 1.7.2.2 jdolecek * @data: Pointer to read data from the register
1339 1.7.2.2 jdolecek **/
1340 1.7.2.2 jdolecek s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
1341 1.7.2.2 jdolecek u32 device_type, u32 *data)
1342 1.7.2.2 jdolecek {
1343 1.7.2.2 jdolecek u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
1344 1.7.2.2 jdolecek u32 command, error __unused;
1345 1.7.2.2 jdolecek s32 ret;
1346 1.7.2.2 jdolecek
1347 1.7.2.2 jdolecek ret = ixgbe_acquire_swfw_semaphore(hw, gssr);
1348 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
1349 1.7.2.2 jdolecek return ret;
1350 1.7.2.2 jdolecek
1351 1.7.2.2 jdolecek ret = ixgbe_iosf_wait(hw, NULL);
1352 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
1353 1.7.2.2 jdolecek goto out;
1354 1.7.2.2 jdolecek
1355 1.7.2.2 jdolecek command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
1356 1.7.2.2 jdolecek (device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
1357 1.7.2.2 jdolecek
1358 1.7.2.2 jdolecek /* Write IOSF control register */
1359 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
1360 1.7.2.2 jdolecek
1361 1.7.2.2 jdolecek ret = ixgbe_iosf_wait(hw, &command);
1362 1.7.2.2 jdolecek
1363 1.7.2.2 jdolecek if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
1364 1.7.2.2 jdolecek error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
1365 1.7.2.2 jdolecek IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
1366 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_POLLING,
1367 1.7.2.2 jdolecek "Failed to read, error %x\n", error);
1368 1.7.2.2 jdolecek ret = IXGBE_ERR_PHY;
1369 1.7.2.2 jdolecek }
1370 1.7.2.2 jdolecek
1371 1.7.2.2 jdolecek if (ret == IXGBE_SUCCESS)
1372 1.7.2.2 jdolecek *data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
1373 1.7.2.2 jdolecek
1374 1.7.2.2 jdolecek out:
1375 1.7.2.2 jdolecek ixgbe_release_swfw_semaphore(hw, gssr);
1376 1.7.2.2 jdolecek return ret;
1377 1.7.2.2 jdolecek }
1378 1.7.2.2 jdolecek
1379 1.7.2.2 jdolecek /**
1380 1.7.2.2 jdolecek * ixgbe_get_phy_token - Get the token for shared phy access
1381 1.7.2.2 jdolecek * @hw: Pointer to hardware structure
1382 1.7.2.2 jdolecek */
1383 1.7.2.2 jdolecek
1384 1.7.2.2 jdolecek s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
1385 1.7.2.2 jdolecek {
1386 1.7.2.2 jdolecek struct ixgbe_hic_phy_token_req token_cmd;
1387 1.7.2.2 jdolecek s32 status;
1388 1.7.2.2 jdolecek
1389 1.7.2.2 jdolecek token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
1390 1.7.2.2 jdolecek token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
1391 1.7.2.2 jdolecek token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
1392 1.7.2.2 jdolecek token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
1393 1.7.2.2 jdolecek token_cmd.port_number = hw->bus.lan_id;
1394 1.7.2.2 jdolecek token_cmd.command_type = FW_PHY_TOKEN_REQ;
1395 1.7.2.2 jdolecek token_cmd.pad = 0;
1396 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd,
1397 1.7.2.2 jdolecek sizeof(token_cmd),
1398 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT,
1399 1.7.2.2 jdolecek TRUE);
1400 1.7.2.2 jdolecek if (status) {
1401 1.7.2.2 jdolecek DEBUGOUT1("Issuing host interface command failed with Status = %d\n",
1402 1.7.2.2 jdolecek status);
1403 1.7.2.2 jdolecek return status;
1404 1.7.2.2 jdolecek }
1405 1.7.2.2 jdolecek if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
1406 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1407 1.7.2.2 jdolecek if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY) {
1408 1.7.2.2 jdolecek DEBUGOUT1("Host interface command returned 0x%08x , returning IXGBE_ERR_FW_RESP_INVALID\n",
1409 1.7.2.2 jdolecek token_cmd.hdr.cmd_or_resp.ret_status);
1410 1.7.2.2 jdolecek return IXGBE_ERR_FW_RESP_INVALID;
1411 1.7.2.2 jdolecek }
1412 1.7.2.2 jdolecek
1413 1.7.2.2 jdolecek DEBUGOUT("Returning IXGBE_ERR_TOKEN_RETRY\n");
1414 1.7.2.2 jdolecek return IXGBE_ERR_TOKEN_RETRY;
1415 1.7.2.2 jdolecek }
1416 1.7.2.2 jdolecek
1417 1.7.2.2 jdolecek /**
1418 1.7.2.2 jdolecek * ixgbe_put_phy_token - Put the token for shared phy access
1419 1.7.2.2 jdolecek * @hw: Pointer to hardware structure
1420 1.7.2.2 jdolecek */
1421 1.7.2.2 jdolecek
1422 1.7.2.2 jdolecek s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)
1423 1.7.2.2 jdolecek {
1424 1.7.2.2 jdolecek struct ixgbe_hic_phy_token_req token_cmd;
1425 1.7.2.2 jdolecek s32 status;
1426 1.7.2.2 jdolecek
1427 1.7.2.2 jdolecek token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
1428 1.7.2.2 jdolecek token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
1429 1.7.2.2 jdolecek token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
1430 1.7.2.2 jdolecek token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
1431 1.7.2.2 jdolecek token_cmd.port_number = hw->bus.lan_id;
1432 1.7.2.2 jdolecek token_cmd.command_type = FW_PHY_TOKEN_REL;
1433 1.7.2.2 jdolecek token_cmd.pad = 0;
1434 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd,
1435 1.7.2.2 jdolecek sizeof(token_cmd),
1436 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT,
1437 1.7.2.2 jdolecek TRUE);
1438 1.7.2.2 jdolecek if (status)
1439 1.7.2.2 jdolecek return status;
1440 1.7.2.2 jdolecek if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
1441 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1442 1.7.2.2 jdolecek
1443 1.7.2.2 jdolecek DEBUGOUT("Put PHY Token host interface command failed");
1444 1.7.2.2 jdolecek return IXGBE_ERR_FW_RESP_INVALID;
1445 1.7.2.2 jdolecek }
1446 1.7.2.2 jdolecek
1447 1.7.2.2 jdolecek /**
1448 1.7.2.2 jdolecek * ixgbe_write_iosf_sb_reg_x550a - Writes a value to specified register
1449 1.7.2.2 jdolecek * of the IOSF device
1450 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1451 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
1452 1.7.2.2 jdolecek * @device_type: 3 bit device type
1453 1.7.2.2 jdolecek * @data: Data to write to the register
1454 1.7.2.2 jdolecek **/
1455 1.7.2.2 jdolecek s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
1456 1.7.2.2 jdolecek u32 device_type, u32 data)
1457 1.7.2.2 jdolecek {
1458 1.7.2.2 jdolecek struct ixgbe_hic_internal_phy_req write_cmd;
1459 1.7.2.2 jdolecek s32 status;
1460 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(device_type);
1461 1.7.2.2 jdolecek
1462 1.7.2.2 jdolecek memset(&write_cmd, 0, sizeof(write_cmd));
1463 1.7.2.2 jdolecek write_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
1464 1.7.2.2 jdolecek write_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
1465 1.7.2.2 jdolecek write_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
1466 1.7.2.2 jdolecek write_cmd.port_number = hw->bus.lan_id;
1467 1.7.2.2 jdolecek write_cmd.command_type = FW_INT_PHY_REQ_WRITE;
1468 1.7.2.2 jdolecek write_cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
1469 1.7.2.2 jdolecek write_cmd.write_data = IXGBE_CPU_TO_BE32(data);
1470 1.7.2.2 jdolecek
1471 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&write_cmd,
1472 1.7.2.2 jdolecek sizeof(write_cmd),
1473 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT, FALSE);
1474 1.7.2.2 jdolecek
1475 1.7.2.2 jdolecek return status;
1476 1.7.2.2 jdolecek }
1477 1.7.2.2 jdolecek
1478 1.7.2.2 jdolecek /**
1479 1.7.2.2 jdolecek * ixgbe_read_iosf_sb_reg_x550a - Reads specified register of the IOSF device
1480 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1481 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
1482 1.7.2.2 jdolecek * @device_type: 3 bit device type
1483 1.7.2.2 jdolecek * @data: Pointer to read data from the register
1484 1.7.2.2 jdolecek **/
1485 1.7.2.2 jdolecek s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
1486 1.7.2.2 jdolecek u32 device_type, u32 *data)
1487 1.7.2.2 jdolecek {
1488 1.7.2.2 jdolecek union {
1489 1.7.2.2 jdolecek struct ixgbe_hic_internal_phy_req cmd;
1490 1.7.2.2 jdolecek struct ixgbe_hic_internal_phy_resp rsp;
1491 1.7.2.2 jdolecek } hic;
1492 1.7.2.2 jdolecek s32 status;
1493 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(device_type);
1494 1.7.2.2 jdolecek
1495 1.7.2.2 jdolecek memset(&hic, 0, sizeof(hic));
1496 1.7.2.2 jdolecek hic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
1497 1.7.2.2 jdolecek hic.cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
1498 1.7.2.2 jdolecek hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
1499 1.7.2.2 jdolecek hic.cmd.port_number = hw->bus.lan_id;
1500 1.7.2.2 jdolecek hic.cmd.command_type = FW_INT_PHY_REQ_READ;
1501 1.7.2.2 jdolecek hic.cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
1502 1.7.2.2 jdolecek
1503 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
1504 1.7.2.2 jdolecek sizeof(hic.cmd),
1505 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT, TRUE);
1506 1.7.2.2 jdolecek
1507 1.7.2.2 jdolecek /* Extract the register value from the response. */
1508 1.7.2.2 jdolecek *data = IXGBE_BE32_TO_CPU(hic.rsp.read_data);
1509 1.7.2.2 jdolecek
1510 1.7.2.2 jdolecek return status;
1511 1.7.2.2 jdolecek }
1512 1.7.2.2 jdolecek
1513 1.7.2.2 jdolecek /**
1514 1.7.2.2 jdolecek * ixgbe_disable_mdd_X550
1515 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1516 1.7.2.2 jdolecek *
1517 1.7.2.2 jdolecek * Disable malicious driver detection
1518 1.7.2.2 jdolecek **/
1519 1.7.2.2 jdolecek void ixgbe_disable_mdd_X550(struct ixgbe_hw *hw)
1520 1.7.2.2 jdolecek {
1521 1.7.2.2 jdolecek u32 reg;
1522 1.7.2.2 jdolecek
1523 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_disable_mdd_X550");
1524 1.7.2.2 jdolecek
1525 1.7.2.2 jdolecek /* Disable MDD for TX DMA and interrupt */
1526 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1527 1.7.2.2 jdolecek reg &= ~(IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN);
1528 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg);
1529 1.7.2.2 jdolecek
1530 1.7.2.2 jdolecek /* Disable MDD for RX and interrupt */
1531 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
1532 1.7.2.2 jdolecek reg &= ~(IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN);
1533 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);
1534 1.7.2.2 jdolecek }
1535 1.7.2.2 jdolecek
1536 1.7.2.2 jdolecek /**
1537 1.7.2.2 jdolecek * ixgbe_enable_mdd_X550
1538 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1539 1.7.2.2 jdolecek *
1540 1.7.2.2 jdolecek * Enable malicious driver detection
1541 1.7.2.2 jdolecek **/
1542 1.7.2.2 jdolecek void ixgbe_enable_mdd_X550(struct ixgbe_hw *hw)
1543 1.7.2.2 jdolecek {
1544 1.7.2.2 jdolecek u32 reg;
1545 1.7.2.2 jdolecek
1546 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_enable_mdd_X550");
1547 1.7.2.2 jdolecek
1548 1.7.2.2 jdolecek /* Enable MDD for TX DMA and interrupt */
1549 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1550 1.7.2.2 jdolecek reg |= (IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN);
1551 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg);
1552 1.7.2.2 jdolecek
1553 1.7.2.2 jdolecek /* Enable MDD for RX and interrupt */
1554 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
1555 1.7.2.2 jdolecek reg |= (IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN);
1556 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);
1557 1.7.2.2 jdolecek }
1558 1.7.2.2 jdolecek
1559 1.7.2.2 jdolecek /**
1560 1.7.2.2 jdolecek * ixgbe_restore_mdd_vf_X550
1561 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1562 1.7.2.2 jdolecek * @vf: vf index
1563 1.7.2.2 jdolecek *
1564 1.7.2.2 jdolecek * Restore VF that was disabled during malicious driver detection event
1565 1.7.2.2 jdolecek **/
1566 1.7.2.2 jdolecek void ixgbe_restore_mdd_vf_X550(struct ixgbe_hw *hw, u32 vf)
1567 1.7.2.2 jdolecek {
1568 1.7.2.2 jdolecek u32 idx, reg, num_qs, start_q, bitmask;
1569 1.7.2.2 jdolecek
1570 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_restore_mdd_vf_X550");
1571 1.7.2.2 jdolecek
1572 1.7.2.2 jdolecek /* Map VF to queues */
1573 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
1574 1.7.2.2 jdolecek switch (reg & IXGBE_MRQC_MRQE_MASK) {
1575 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRT8TCEN:
1576 1.7.2.2 jdolecek num_qs = 8; /* 16 VFs / pools */
1577 1.7.2.2 jdolecek bitmask = 0x000000FF;
1578 1.7.2.2 jdolecek break;
1579 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRSS32EN:
1580 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRT4TCEN:
1581 1.7.2.2 jdolecek num_qs = 4; /* 32 VFs / pools */
1582 1.7.2.2 jdolecek bitmask = 0x0000000F;
1583 1.7.2.2 jdolecek break;
1584 1.7.2.2 jdolecek default: /* 64 VFs / pools */
1585 1.7.2.2 jdolecek num_qs = 2;
1586 1.7.2.2 jdolecek bitmask = 0x00000003;
1587 1.7.2.2 jdolecek break;
1588 1.7.2.2 jdolecek }
1589 1.7.2.2 jdolecek start_q = vf * num_qs;
1590 1.7.2.2 jdolecek
1591 1.7.2.2 jdolecek /* Release vf's queues by clearing WQBR_TX and WQBR_RX (RW1C) */
1592 1.7.2.2 jdolecek idx = start_q / 32;
1593 1.7.2.2 jdolecek reg = 0;
1594 1.7.2.2 jdolecek reg |= (bitmask << (start_q % 32));
1595 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_WQBR_TX(idx), reg);
1596 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_WQBR_RX(idx), reg);
1597 1.7.2.2 jdolecek }
1598 1.7.2.2 jdolecek
1599 1.7.2.2 jdolecek /**
1600 1.7.2.2 jdolecek * ixgbe_mdd_event_X550
1601 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1602 1.7.2.2 jdolecek * @vf_bitmap: vf bitmap of malicious vfs
1603 1.7.2.2 jdolecek *
1604 1.7.2.2 jdolecek * Handle malicious driver detection event.
1605 1.7.2.2 jdolecek **/
1606 1.7.2.2 jdolecek void ixgbe_mdd_event_X550(struct ixgbe_hw *hw, u32 *vf_bitmap)
1607 1.7.2.2 jdolecek {
1608 1.7.2.2 jdolecek u32 wqbr;
1609 1.7.2.2 jdolecek u32 i, j, reg, q, shift, vf, idx;
1610 1.7.2.2 jdolecek
1611 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_mdd_event_X550");
1612 1.7.2.2 jdolecek
1613 1.7.2.2 jdolecek /* figure out pool size for mapping to vf's */
1614 1.7.2.2 jdolecek reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
1615 1.7.2.2 jdolecek switch (reg & IXGBE_MRQC_MRQE_MASK) {
1616 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRT8TCEN:
1617 1.7.2.2 jdolecek shift = 3; /* 16 VFs / pools */
1618 1.7.2.2 jdolecek break;
1619 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRSS32EN:
1620 1.7.2.2 jdolecek case IXGBE_MRQC_VMDQRT4TCEN:
1621 1.7.2.2 jdolecek shift = 2; /* 32 VFs / pools */
1622 1.7.2.2 jdolecek break;
1623 1.7.2.2 jdolecek default:
1624 1.7.2.2 jdolecek shift = 1; /* 64 VFs / pools */
1625 1.7.2.2 jdolecek break;
1626 1.7.2.2 jdolecek }
1627 1.7.2.2 jdolecek
1628 1.7.2.2 jdolecek /* Read WQBR_TX and WQBR_RX and check for malicious queues */
1629 1.7.2.2 jdolecek for (i = 0; i < 4; i++) {
1630 1.7.2.2 jdolecek wqbr = IXGBE_READ_REG(hw, IXGBE_WQBR_TX(i));
1631 1.7.2.2 jdolecek wqbr |= IXGBE_READ_REG(hw, IXGBE_WQBR_RX(i));
1632 1.7.2.2 jdolecek
1633 1.7.2.2 jdolecek if (!wqbr)
1634 1.7.2.2 jdolecek continue;
1635 1.7.2.2 jdolecek
1636 1.7.2.2 jdolecek /* Get malicious queue */
1637 1.7.2.2 jdolecek for (j = 0; j < 32 && wqbr; j++) {
1638 1.7.2.2 jdolecek
1639 1.7.2.2 jdolecek if (!(wqbr & (1 << j)))
1640 1.7.2.2 jdolecek continue;
1641 1.7.2.2 jdolecek
1642 1.7.2.2 jdolecek /* Get queue from bitmask */
1643 1.7.2.2 jdolecek q = j + (i * 32);
1644 1.7.2.2 jdolecek
1645 1.7.2.2 jdolecek /* Map queue to vf */
1646 1.7.2.2 jdolecek vf = (q >> shift);
1647 1.7.2.2 jdolecek
1648 1.7.2.2 jdolecek /* Set vf bit in vf_bitmap */
1649 1.7.2.2 jdolecek idx = vf / 32;
1650 1.7.2.2 jdolecek vf_bitmap[idx] |= (1 << (vf % 32));
1651 1.7.2.2 jdolecek wqbr &= ~(1 << j);
1652 1.7.2.2 jdolecek }
1653 1.7.2.2 jdolecek }
1654 1.7.2.2 jdolecek }
1655 1.7.2.2 jdolecek
1656 1.7.2.2 jdolecek /**
1657 1.7.2.2 jdolecek * ixgbe_get_media_type_X550em - Get media type
1658 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1659 1.7.2.2 jdolecek *
1660 1.7.2.2 jdolecek * Returns the media type (fiber, copper, backplane)
1661 1.7.2.2 jdolecek */
1662 1.7.2.2 jdolecek enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
1663 1.7.2.2 jdolecek {
1664 1.7.2.2 jdolecek enum ixgbe_media_type media_type;
1665 1.7.2.2 jdolecek
1666 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_get_media_type_X550em");
1667 1.7.2.2 jdolecek
1668 1.7.2.2 jdolecek /* Detect if there is a copper PHY attached. */
1669 1.7.2.2 jdolecek switch (hw->device_id) {
1670 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_KR:
1671 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_KX4:
1672 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_XFI:
1673 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR:
1674 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR_L:
1675 1.7.2.2 jdolecek media_type = ixgbe_media_type_backplane;
1676 1.7.2.2 jdolecek break;
1677 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_SFP:
1678 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP:
1679 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP_N:
1680 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_QSFP:
1681 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_QSFP_N:
1682 1.7.2.2 jdolecek media_type = ixgbe_media_type_fiber;
1683 1.7.2.2 jdolecek break;
1684 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_1G_T:
1685 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_10G_T:
1686 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_10G_T:
1687 1.7.2.2 jdolecek media_type = ixgbe_media_type_copper;
1688 1.7.2.2 jdolecek break;
1689 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SGMII:
1690 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SGMII_L:
1691 1.7.2.2 jdolecek media_type = ixgbe_media_type_backplane;
1692 1.7.2.2 jdolecek hw->phy.type = ixgbe_phy_sgmii;
1693 1.7.2.2 jdolecek break;
1694 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
1695 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
1696 1.7.2.2 jdolecek media_type = ixgbe_media_type_copper;
1697 1.7.2.2 jdolecek break;
1698 1.7.2.2 jdolecek default:
1699 1.7.2.2 jdolecek media_type = ixgbe_media_type_unknown;
1700 1.7.2.2 jdolecek break;
1701 1.7.2.2 jdolecek }
1702 1.7.2.2 jdolecek return media_type;
1703 1.7.2.2 jdolecek }
1704 1.7.2.2 jdolecek
1705 1.7.2.2 jdolecek /**
1706 1.7.2.2 jdolecek * ixgbe_supported_sfp_modules_X550em - Check if SFP module type is supported
1707 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1708 1.7.2.2 jdolecek * @linear: TRUE if SFP module is linear
1709 1.7.2.2 jdolecek */
1710 1.7.2.2 jdolecek static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
1711 1.7.2.2 jdolecek {
1712 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_supported_sfp_modules_X550em");
1713 1.7.2.2 jdolecek
1714 1.7.2.2 jdolecek switch (hw->phy.sfp_type) {
1715 1.7.2.2 jdolecek case ixgbe_sfp_type_not_present:
1716 1.7.2.2 jdolecek return IXGBE_ERR_SFP_NOT_PRESENT;
1717 1.7.2.2 jdolecek case ixgbe_sfp_type_da_cu_core0:
1718 1.7.2.2 jdolecek case ixgbe_sfp_type_da_cu_core1:
1719 1.7.2.2 jdolecek *linear = TRUE;
1720 1.7.2.2 jdolecek break;
1721 1.7.2.2 jdolecek case ixgbe_sfp_type_srlr_core0:
1722 1.7.2.2 jdolecek case ixgbe_sfp_type_srlr_core1:
1723 1.7.2.2 jdolecek case ixgbe_sfp_type_da_act_lmt_core0:
1724 1.7.2.2 jdolecek case ixgbe_sfp_type_da_act_lmt_core1:
1725 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_sx_core0:
1726 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_sx_core1:
1727 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_lx_core0:
1728 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_lx_core1:
1729 1.7.2.2 jdolecek *linear = FALSE;
1730 1.7.2.2 jdolecek break;
1731 1.7.2.2 jdolecek case ixgbe_sfp_type_unknown:
1732 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_cu_core0:
1733 1.7.2.2 jdolecek case ixgbe_sfp_type_1g_cu_core1:
1734 1.7.2.2 jdolecek default:
1735 1.7.2.2 jdolecek return IXGBE_ERR_SFP_NOT_SUPPORTED;
1736 1.7.2.2 jdolecek }
1737 1.7.2.2 jdolecek
1738 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1739 1.7.2.2 jdolecek }
1740 1.7.2.2 jdolecek
1741 1.7.2.2 jdolecek /**
1742 1.7.2.2 jdolecek * ixgbe_identify_sfp_module_X550em - Identifies SFP modules
1743 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1744 1.7.2.2 jdolecek *
1745 1.7.2.2 jdolecek * Searches for and identifies the SFP module and assigns appropriate PHY type.
1746 1.7.2.2 jdolecek **/
1747 1.7.2.2 jdolecek s32 ixgbe_identify_sfp_module_X550em(struct ixgbe_hw *hw)
1748 1.7.2.2 jdolecek {
1749 1.7.2.2 jdolecek s32 status;
1750 1.7.2.2 jdolecek bool linear;
1751 1.7.2.2 jdolecek
1752 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_identify_sfp_module_X550em");
1753 1.7.2.2 jdolecek
1754 1.7.2.2 jdolecek status = ixgbe_identify_module_generic(hw);
1755 1.7.2.2 jdolecek
1756 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
1757 1.7.2.2 jdolecek return status;
1758 1.7.2.2 jdolecek
1759 1.7.2.2 jdolecek /* Check if SFP module is supported */
1760 1.7.2.2 jdolecek status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
1761 1.7.2.2 jdolecek
1762 1.7.2.2 jdolecek return status;
1763 1.7.2.2 jdolecek }
1764 1.7.2.2 jdolecek
1765 1.7.2.2 jdolecek /**
1766 1.7.2.2 jdolecek * ixgbe_setup_sfp_modules_X550em - Setup MAC link ops
1767 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1768 1.7.2.2 jdolecek */
1769 1.7.2.2 jdolecek s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
1770 1.7.2.2 jdolecek {
1771 1.7.2.2 jdolecek s32 status;
1772 1.7.2.2 jdolecek bool linear;
1773 1.7.2.2 jdolecek
1774 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_setup_sfp_modules_X550em");
1775 1.7.2.2 jdolecek
1776 1.7.2.2 jdolecek /* Check if SFP module is supported */
1777 1.7.2.2 jdolecek status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
1778 1.7.2.2 jdolecek
1779 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
1780 1.7.2.2 jdolecek return status;
1781 1.7.2.2 jdolecek
1782 1.7.2.2 jdolecek ixgbe_init_mac_link_ops_X550em(hw);
1783 1.7.2.2 jdolecek hw->phy.ops.reset = NULL;
1784 1.7.2.2 jdolecek
1785 1.7.2.2 jdolecek return IXGBE_SUCCESS;
1786 1.7.2.2 jdolecek }
1787 1.7.2.2 jdolecek
1788 1.7.2.2 jdolecek /**
1789 1.7.2.2 jdolecek * ixgbe_restart_an_internal_phy_x550em - restart autonegotiation for the
1790 1.7.2.2 jdolecek * internal PHY
1791 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1792 1.7.2.2 jdolecek **/
1793 1.7.2.2 jdolecek static s32 ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw)
1794 1.7.2.2 jdolecek {
1795 1.7.2.2 jdolecek s32 status;
1796 1.7.2.2 jdolecek u32 link_ctrl;
1797 1.7.2.2 jdolecek
1798 1.7.2.2 jdolecek /* Restart auto-negotiation. */
1799 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
1800 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1801 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &link_ctrl);
1802 1.7.2.2 jdolecek
1803 1.7.2.2 jdolecek if (status) {
1804 1.7.2.2 jdolecek DEBUGOUT("Auto-negotiation did not complete\n");
1805 1.7.2.2 jdolecek return status;
1806 1.7.2.2 jdolecek }
1807 1.7.2.2 jdolecek
1808 1.7.2.2 jdolecek link_ctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
1809 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
1810 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1811 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, link_ctrl);
1812 1.7.2.2 jdolecek
1813 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a) {
1814 1.7.2.2 jdolecek u32 flx_mask_st20;
1815 1.7.2.2 jdolecek
1816 1.7.2.2 jdolecek /* Indicate to FW that AN restart has been asserted */
1817 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
1818 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1819 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_mask_st20);
1820 1.7.2.2 jdolecek
1821 1.7.2.2 jdolecek if (status) {
1822 1.7.2.2 jdolecek DEBUGOUT("Auto-negotiation did not complete\n");
1823 1.7.2.2 jdolecek return status;
1824 1.7.2.2 jdolecek }
1825 1.7.2.2 jdolecek
1826 1.7.2.2 jdolecek flx_mask_st20 |= IXGBE_KRM_PMD_FLX_MASK_ST20_FW_AN_RESTART;
1827 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
1828 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1829 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, flx_mask_st20);
1830 1.7.2.2 jdolecek }
1831 1.7.2.2 jdolecek
1832 1.7.2.2 jdolecek return status;
1833 1.7.2.2 jdolecek }
1834 1.7.2.2 jdolecek
1835 1.7.2.2 jdolecek /**
1836 1.7.2.2 jdolecek * ixgbe_setup_sgmii - Set up link for sgmii
1837 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1838 1.7.2.2 jdolecek */
1839 1.7.2.2 jdolecek static s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed,
1840 1.7.2.2 jdolecek bool autoneg_wait)
1841 1.7.2.2 jdolecek {
1842 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
1843 1.7.2.2 jdolecek u32 lval, sval, flx_val;
1844 1.7.2.2 jdolecek s32 rc;
1845 1.7.2.2 jdolecek
1846 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1847 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1848 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
1849 1.7.2.2 jdolecek if (rc)
1850 1.7.2.2 jdolecek return rc;
1851 1.7.2.2 jdolecek
1852 1.7.2.2 jdolecek lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
1853 1.7.2.2 jdolecek lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
1854 1.7.2.2 jdolecek lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
1855 1.7.2.2 jdolecek lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
1856 1.7.2.2 jdolecek lval |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
1857 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1858 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1859 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
1860 1.7.2.2 jdolecek if (rc)
1861 1.7.2.2 jdolecek return rc;
1862 1.7.2.2 jdolecek
1863 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1864 1.7.2.2 jdolecek IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
1865 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
1866 1.7.2.2 jdolecek if (rc)
1867 1.7.2.2 jdolecek return rc;
1868 1.7.2.2 jdolecek
1869 1.7.2.2 jdolecek sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
1870 1.7.2.2 jdolecek sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
1871 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1872 1.7.2.2 jdolecek IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
1873 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
1874 1.7.2.2 jdolecek if (rc)
1875 1.7.2.2 jdolecek return rc;
1876 1.7.2.2 jdolecek
1877 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1878 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1879 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
1880 1.7.2.2 jdolecek if (rc)
1881 1.7.2.2 jdolecek return rc;
1882 1.7.2.2 jdolecek
1883 1.7.2.2 jdolecek flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
1884 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
1885 1.7.2.2 jdolecek flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
1886 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
1887 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
1888 1.7.2.2 jdolecek
1889 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1890 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1891 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
1892 1.7.2.2 jdolecek if (rc)
1893 1.7.2.2 jdolecek return rc;
1894 1.7.2.2 jdolecek
1895 1.7.2.2 jdolecek rc = ixgbe_restart_an_internal_phy_x550em(hw);
1896 1.7.2.2 jdolecek if (rc)
1897 1.7.2.2 jdolecek return rc;
1898 1.7.2.2 jdolecek
1899 1.7.2.2 jdolecek return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
1900 1.7.2.2 jdolecek }
1901 1.7.2.2 jdolecek
1902 1.7.2.2 jdolecek /**
1903 1.7.2.2 jdolecek * ixgbe_setup_sgmii_fw - Set up link for sgmii with firmware-controlled PHYs
1904 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1905 1.7.2.2 jdolecek */
1906 1.7.2.2 jdolecek static s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed,
1907 1.7.2.2 jdolecek bool autoneg_wait)
1908 1.7.2.2 jdolecek {
1909 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
1910 1.7.2.2 jdolecek u32 lval, sval, flx_val;
1911 1.7.2.2 jdolecek s32 rc;
1912 1.7.2.2 jdolecek
1913 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1914 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1915 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
1916 1.7.2.2 jdolecek if (rc)
1917 1.7.2.2 jdolecek return rc;
1918 1.7.2.2 jdolecek
1919 1.7.2.2 jdolecek lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
1920 1.7.2.2 jdolecek lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
1921 1.7.2.2 jdolecek lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
1922 1.7.2.2 jdolecek lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
1923 1.7.2.2 jdolecek lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
1924 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1925 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1926 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
1927 1.7.2.2 jdolecek if (rc)
1928 1.7.2.2 jdolecek return rc;
1929 1.7.2.2 jdolecek
1930 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1931 1.7.2.2 jdolecek IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
1932 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
1933 1.7.2.2 jdolecek if (rc)
1934 1.7.2.2 jdolecek return rc;
1935 1.7.2.2 jdolecek
1936 1.7.2.2 jdolecek sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
1937 1.7.2.2 jdolecek sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
1938 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1939 1.7.2.2 jdolecek IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
1940 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
1941 1.7.2.2 jdolecek if (rc)
1942 1.7.2.2 jdolecek return rc;
1943 1.7.2.2 jdolecek
1944 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1945 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
1946 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
1947 1.7.2.2 jdolecek if (rc)
1948 1.7.2.2 jdolecek return rc;
1949 1.7.2.2 jdolecek
1950 1.7.2.2 jdolecek rc = mac->ops.read_iosf_sb_reg(hw,
1951 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1952 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
1953 1.7.2.2 jdolecek if (rc)
1954 1.7.2.2 jdolecek return rc;
1955 1.7.2.2 jdolecek
1956 1.7.2.2 jdolecek flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
1957 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
1958 1.7.2.2 jdolecek flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
1959 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
1960 1.7.2.2 jdolecek flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
1961 1.7.2.2 jdolecek
1962 1.7.2.2 jdolecek rc = mac->ops.write_iosf_sb_reg(hw,
1963 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
1964 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
1965 1.7.2.2 jdolecek if (rc)
1966 1.7.2.2 jdolecek return rc;
1967 1.7.2.2 jdolecek
1968 1.7.2.2 jdolecek rc = ixgbe_restart_an_internal_phy_x550em(hw);
1969 1.7.2.2 jdolecek
1970 1.7.2.2 jdolecek return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
1971 1.7.2.2 jdolecek }
1972 1.7.2.2 jdolecek
1973 1.7.2.2 jdolecek /**
1974 1.7.2.2 jdolecek * ixgbe_init_mac_link_ops_X550em - init mac link function pointers
1975 1.7.2.2 jdolecek * @hw: pointer to hardware structure
1976 1.7.2.2 jdolecek */
1977 1.7.2.2 jdolecek void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
1978 1.7.2.2 jdolecek {
1979 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
1980 1.7.2.2 jdolecek
1981 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_mac_link_ops_X550em");
1982 1.7.2.2 jdolecek
1983 1.7.2.2 jdolecek switch (hw->mac.ops.get_media_type(hw)) {
1984 1.7.2.2 jdolecek case ixgbe_media_type_fiber:
1985 1.7.2.2 jdolecek /* CS4227 does not support autoneg, so disable the laser control
1986 1.7.2.2 jdolecek * functions for SFP+ fiber
1987 1.7.2.2 jdolecek */
1988 1.7.2.2 jdolecek mac->ops.disable_tx_laser = NULL;
1989 1.7.2.2 jdolecek mac->ops.enable_tx_laser = NULL;
1990 1.7.2.2 jdolecek mac->ops.flap_tx_laser = NULL;
1991 1.7.2.2 jdolecek mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
1992 1.7.2.2 jdolecek mac->ops.set_rate_select_speed =
1993 1.7.2.2 jdolecek ixgbe_set_soft_rate_select_speed;
1994 1.7.2.2 jdolecek
1995 1.7.2.2 jdolecek if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) ||
1996 1.7.2.2 jdolecek (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP))
1997 1.7.2.2 jdolecek mac->ops.setup_mac_link =
1998 1.7.2.2 jdolecek ixgbe_setup_mac_link_sfp_x550a;
1999 1.7.2.2 jdolecek else
2000 1.7.2.2 jdolecek mac->ops.setup_mac_link =
2001 1.7.2.2 jdolecek ixgbe_setup_mac_link_sfp_x550em;
2002 1.7.2.2 jdolecek break;
2003 1.7.2.2 jdolecek case ixgbe_media_type_copper:
2004 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T)
2005 1.7.2.2 jdolecek break;
2006 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a) {
2007 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
2008 1.7.2.2 jdolecek hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L) {
2009 1.7.2.2 jdolecek mac->ops.setup_link = ixgbe_setup_sgmii_fw;
2010 1.7.2.2 jdolecek mac->ops.check_link =
2011 1.7.2.2 jdolecek ixgbe_check_mac_link_generic;
2012 1.7.2.2 jdolecek } else {
2013 1.7.2.2 jdolecek mac->ops.setup_link =
2014 1.7.2.2 jdolecek ixgbe_setup_mac_link_t_X550em;
2015 1.7.2.2 jdolecek }
2016 1.7.2.2 jdolecek } else {
2017 1.7.2.2 jdolecek mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
2018 1.7.2.2 jdolecek mac->ops.check_link = ixgbe_check_link_t_X550em;
2019 1.7.2.2 jdolecek }
2020 1.7.2.2 jdolecek break;
2021 1.7.2.2 jdolecek case ixgbe_media_type_backplane:
2022 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
2023 1.7.2.2 jdolecek hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L)
2024 1.7.2.2 jdolecek mac->ops.setup_link = ixgbe_setup_sgmii;
2025 1.7.2.2 jdolecek break;
2026 1.7.2.2 jdolecek default:
2027 1.7.2.2 jdolecek break;
2028 1.7.2.2 jdolecek }
2029 1.7.2.2 jdolecek }
2030 1.7.2.2 jdolecek
2031 1.7.2.2 jdolecek /**
2032 1.7.2.2 jdolecek * ixgbe_get_link_capabilities_x550em - Determines link capabilities
2033 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2034 1.7.2.2 jdolecek * @speed: pointer to link speed
2035 1.7.2.2 jdolecek * @autoneg: TRUE when autoneg or autotry is enabled
2036 1.7.2.2 jdolecek */
2037 1.7.2.2 jdolecek s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
2038 1.7.2.2 jdolecek ixgbe_link_speed *speed,
2039 1.7.2.2 jdolecek bool *autoneg)
2040 1.7.2.2 jdolecek {
2041 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_get_link_capabilities_X550em");
2042 1.7.2.2 jdolecek
2043 1.7.2.2 jdolecek
2044 1.7.2.2 jdolecek if (hw->phy.type == ixgbe_phy_fw) {
2045 1.7.2.2 jdolecek *autoneg = TRUE;
2046 1.7.2.2 jdolecek *speed = hw->phy.speeds_supported;
2047 1.7.2.2 jdolecek return 0;
2048 1.7.2.2 jdolecek }
2049 1.7.2.2 jdolecek
2050 1.7.2.2 jdolecek /* SFP */
2051 1.7.2.2 jdolecek if (hw->phy.media_type == ixgbe_media_type_fiber) {
2052 1.7.2.2 jdolecek
2053 1.7.2.2 jdolecek /* CS4227 SFP must not enable auto-negotiation */
2054 1.7.2.2 jdolecek *autoneg = FALSE;
2055 1.7.2.2 jdolecek
2056 1.7.2.2 jdolecek /* Check if 1G SFP module. */
2057 1.7.2.2 jdolecek if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
2058 1.7.2.2 jdolecek hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1
2059 1.7.2.2 jdolecek || hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core0 ||
2060 1.7.2.2 jdolecek hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core1) {
2061 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_1GB_FULL;
2062 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2063 1.7.2.2 jdolecek }
2064 1.7.2.2 jdolecek
2065 1.7.2.2 jdolecek /* Link capabilities are based on SFP */
2066 1.7.2.2 jdolecek if (hw->phy.multispeed_fiber)
2067 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_10GB_FULL |
2068 1.7.2.2 jdolecek IXGBE_LINK_SPEED_1GB_FULL;
2069 1.7.2.2 jdolecek else
2070 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_10GB_FULL;
2071 1.7.2.2 jdolecek } else {
2072 1.7.2.2 jdolecek switch (hw->phy.type) {
2073 1.7.2.2 jdolecek case ixgbe_phy_ext_1g_t:
2074 1.7.2.2 jdolecek case ixgbe_phy_sgmii:
2075 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_1GB_FULL;
2076 1.7.2.2 jdolecek break;
2077 1.7.2.2 jdolecek case ixgbe_phy_x550em_kr:
2078 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a) {
2079 1.7.2.2 jdolecek /* check different backplane modes */
2080 1.7.2.2 jdolecek if (hw->phy.nw_mng_if_sel &
2081 1.7.2.2 jdolecek IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
2082 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_2_5GB_FULL;
2083 1.7.2.2 jdolecek break;
2084 1.7.2.2 jdolecek } else if (hw->device_id ==
2085 1.7.2.2 jdolecek IXGBE_DEV_ID_X550EM_A_KR_L) {
2086 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_1GB_FULL;
2087 1.7.2.2 jdolecek break;
2088 1.7.2.2 jdolecek }
2089 1.7.2.2 jdolecek }
2090 1.7.2.2 jdolecek /* fall through */
2091 1.7.2.2 jdolecek default:
2092 1.7.2.2 jdolecek *speed = IXGBE_LINK_SPEED_10GB_FULL |
2093 1.7.2.2 jdolecek IXGBE_LINK_SPEED_1GB_FULL;
2094 1.7.2.2 jdolecek break;
2095 1.7.2.2 jdolecek }
2096 1.7.2.2 jdolecek *autoneg = TRUE;
2097 1.7.2.2 jdolecek }
2098 1.7.2.2 jdolecek
2099 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2100 1.7.2.2 jdolecek }
2101 1.7.2.2 jdolecek
2102 1.7.2.2 jdolecek /**
2103 1.7.2.2 jdolecek * ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause
2104 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2105 1.7.2.2 jdolecek * @lsc: pointer to boolean flag which indicates whether external Base T
2106 1.7.2.2 jdolecek * PHY interrupt is lsc
2107 1.7.2.2 jdolecek *
2108 1.7.2.2 jdolecek * Determime if external Base T PHY interrupt cause is high temperature
2109 1.7.2.2 jdolecek * failure alarm or link status change.
2110 1.7.2.2 jdolecek *
2111 1.7.2.2 jdolecek * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
2112 1.7.2.2 jdolecek * failure alarm, else return PHY access status.
2113 1.7.2.2 jdolecek */
2114 1.7.2.2 jdolecek static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
2115 1.7.2.2 jdolecek {
2116 1.7.2.2 jdolecek u32 status;
2117 1.7.2.2 jdolecek u16 reg;
2118 1.7.2.2 jdolecek
2119 1.7.2.2 jdolecek *lsc = FALSE;
2120 1.7.2.2 jdolecek
2121 1.7.2.2 jdolecek /* Vendor alarm triggered */
2122 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
2123 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2124 1.7.2.2 jdolecek ®);
2125 1.7.2.2 jdolecek
2126 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
2127 1.7.2.2 jdolecek !(reg & IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN))
2128 1.7.2.2 jdolecek return status;
2129 1.7.2.2 jdolecek
2130 1.7.2.2 jdolecek /* Vendor Auto-Neg alarm triggered or Global alarm 1 triggered */
2131 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG,
2132 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2133 1.7.2.2 jdolecek ®);
2134 1.7.2.2 jdolecek
2135 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
2136 1.7.2.2 jdolecek !(reg & (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
2137 1.7.2.2 jdolecek IXGBE_MDIO_GLOBAL_ALARM_1_INT)))
2138 1.7.2.2 jdolecek return status;
2139 1.7.2.2 jdolecek
2140 1.7.2.2 jdolecek /* Global alarm triggered */
2141 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1,
2142 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2143 1.7.2.2 jdolecek ®);
2144 1.7.2.2 jdolecek
2145 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2146 1.7.2.2 jdolecek return status;
2147 1.7.2.2 jdolecek
2148 1.7.2.2 jdolecek /* If high temperature failure, then return over temp error and exit */
2149 1.7.2.2 jdolecek if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
2150 1.7.2.2 jdolecek /* power down the PHY in case the PHY FW didn't already */
2151 1.7.2.2 jdolecek ixgbe_set_copper_phy_power(hw, FALSE);
2152 1.7.2.2 jdolecek return IXGBE_ERR_OVERTEMP;
2153 1.7.2.2 jdolecek } else if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
2154 1.7.2.2 jdolecek /* device fault alarm triggered */
2155 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_FAULT_MSG,
2156 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2157 1.7.2.2 jdolecek ®);
2158 1.7.2.2 jdolecek
2159 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2160 1.7.2.2 jdolecek return status;
2161 1.7.2.2 jdolecek
2162 1.7.2.2 jdolecek /* if device fault was due to high temp alarm handle and exit */
2163 1.7.2.2 jdolecek if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
2164 1.7.2.2 jdolecek /* power down the PHY in case the PHY FW didn't */
2165 1.7.2.2 jdolecek ixgbe_set_copper_phy_power(hw, FALSE);
2166 1.7.2.2 jdolecek return IXGBE_ERR_OVERTEMP;
2167 1.7.2.2 jdolecek }
2168 1.7.2.2 jdolecek }
2169 1.7.2.2 jdolecek
2170 1.7.2.2 jdolecek /* Vendor alarm 2 triggered */
2171 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
2172 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
2173 1.7.2.2 jdolecek
2174 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
2175 1.7.2.2 jdolecek !(reg & IXGBE_MDIO_GLOBAL_STD_ALM2_INT))
2176 1.7.2.2 jdolecek return status;
2177 1.7.2.2 jdolecek
2178 1.7.2.2 jdolecek /* link connect/disconnect event occurred */
2179 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM2,
2180 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
2181 1.7.2.2 jdolecek
2182 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2183 1.7.2.2 jdolecek return status;
2184 1.7.2.2 jdolecek
2185 1.7.2.2 jdolecek /* Indicate LSC */
2186 1.7.2.2 jdolecek if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC)
2187 1.7.2.2 jdolecek *lsc = TRUE;
2188 1.7.2.2 jdolecek
2189 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2190 1.7.2.2 jdolecek }
2191 1.7.2.2 jdolecek
2192 1.7.2.2 jdolecek /**
2193 1.7.2.2 jdolecek * ixgbe_enable_lasi_ext_t_x550em - Enable external Base T PHY interrupts
2194 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2195 1.7.2.2 jdolecek *
2196 1.7.2.2 jdolecek * Enable link status change and temperature failure alarm for the external
2197 1.7.2.2 jdolecek * Base T PHY
2198 1.7.2.2 jdolecek *
2199 1.7.2.2 jdolecek * Returns PHY access status
2200 1.7.2.2 jdolecek */
2201 1.7.2.2 jdolecek static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
2202 1.7.2.2 jdolecek {
2203 1.7.2.2 jdolecek u32 status;
2204 1.7.2.2 jdolecek u16 reg;
2205 1.7.2.2 jdolecek bool lsc;
2206 1.7.2.2 jdolecek
2207 1.7.2.2 jdolecek /* Clear interrupt flags */
2208 1.7.2.2 jdolecek status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
2209 1.7.2.2 jdolecek
2210 1.7.2.2 jdolecek /* Enable link status change alarm */
2211 1.7.2.2 jdolecek
2212 1.7.2.2 jdolecek /* Enable the LASI interrupts on X552 devices to receive notifications
2213 1.7.2.2 jdolecek * of the link configurations of the external PHY and correspondingly
2214 1.7.2.2 jdolecek * support the configuration of the internal iXFI link, since iXFI does
2215 1.7.2.2 jdolecek * not support auto-negotiation. This is not required for X553 devices
2216 1.7.2.2 jdolecek * having KR support, which performs auto-negotiations and which is used
2217 1.7.2.2 jdolecek * as the internal link to the external PHY. Hence adding a check here
2218 1.7.2.2 jdolecek * to avoid enabling LASI interrupts for X553 devices.
2219 1.7.2.2 jdolecek */
2220 1.7.2.2 jdolecek if (hw->mac.type != ixgbe_mac_X550EM_a) {
2221 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw,
2222 1.7.2.2 jdolecek IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
2223 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
2224 1.7.2.2 jdolecek
2225 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2226 1.7.2.2 jdolecek return status;
2227 1.7.2.2 jdolecek
2228 1.7.2.2 jdolecek reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN;
2229 1.7.2.2 jdolecek
2230 1.7.2.2 jdolecek status = hw->phy.ops.write_reg(hw,
2231 1.7.2.2 jdolecek IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
2232 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg);
2233 1.7.2.2 jdolecek
2234 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2235 1.7.2.2 jdolecek return status;
2236 1.7.2.2 jdolecek }
2237 1.7.2.2 jdolecek
2238 1.7.2.2 jdolecek /* Enable high temperature failure and global fault alarms */
2239 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
2240 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2241 1.7.2.2 jdolecek ®);
2242 1.7.2.2 jdolecek
2243 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2244 1.7.2.2 jdolecek return status;
2245 1.7.2.2 jdolecek
2246 1.7.2.2 jdolecek reg |= (IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN |
2247 1.7.2.2 jdolecek IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN);
2248 1.7.2.2 jdolecek
2249 1.7.2.2 jdolecek status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
2250 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2251 1.7.2.2 jdolecek reg);
2252 1.7.2.2 jdolecek
2253 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2254 1.7.2.2 jdolecek return status;
2255 1.7.2.2 jdolecek
2256 1.7.2.2 jdolecek /* Enable vendor Auto-Neg alarm and Global Interrupt Mask 1 alarm */
2257 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
2258 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2259 1.7.2.2 jdolecek ®);
2260 1.7.2.2 jdolecek
2261 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2262 1.7.2.2 jdolecek return status;
2263 1.7.2.2 jdolecek
2264 1.7.2.2 jdolecek reg |= (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
2265 1.7.2.2 jdolecek IXGBE_MDIO_GLOBAL_ALARM_1_INT);
2266 1.7.2.2 jdolecek
2267 1.7.2.2 jdolecek status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
2268 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2269 1.7.2.2 jdolecek reg);
2270 1.7.2.2 jdolecek
2271 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2272 1.7.2.2 jdolecek return status;
2273 1.7.2.2 jdolecek
2274 1.7.2.2 jdolecek /* Enable chip-wide vendor alarm */
2275 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
2276 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2277 1.7.2.2 jdolecek ®);
2278 1.7.2.2 jdolecek
2279 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2280 1.7.2.2 jdolecek return status;
2281 1.7.2.2 jdolecek
2282 1.7.2.2 jdolecek reg |= IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN;
2283 1.7.2.2 jdolecek
2284 1.7.2.2 jdolecek status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
2285 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2286 1.7.2.2 jdolecek reg);
2287 1.7.2.2 jdolecek
2288 1.7.2.2 jdolecek return status;
2289 1.7.2.2 jdolecek }
2290 1.7.2.2 jdolecek
2291 1.7.2.2 jdolecek /**
2292 1.7.2.2 jdolecek * ixgbe_setup_kr_speed_x550em - Configure the KR PHY for link speed.
2293 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2294 1.7.2.2 jdolecek * @speed: link speed
2295 1.7.2.2 jdolecek *
2296 1.7.2.2 jdolecek * Configures the integrated KR PHY.
2297 1.7.2.2 jdolecek **/
2298 1.7.2.2 jdolecek static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
2299 1.7.2.2 jdolecek ixgbe_link_speed speed)
2300 1.7.2.2 jdolecek {
2301 1.7.2.2 jdolecek s32 status;
2302 1.7.2.2 jdolecek u32 reg_val;
2303 1.7.2.2 jdolecek
2304 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
2305 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
2306 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
2307 1.7.2.2 jdolecek if (status)
2308 1.7.2.2 jdolecek return status;
2309 1.7.2.2 jdolecek
2310 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
2311 1.7.2.2 jdolecek reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR |
2312 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX);
2313 1.7.2.2 jdolecek
2314 1.7.2.2 jdolecek /* Advertise 10G support. */
2315 1.7.2.2 jdolecek if (speed & IXGBE_LINK_SPEED_10GB_FULL)
2316 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR;
2317 1.7.2.2 jdolecek
2318 1.7.2.2 jdolecek /* Advertise 1G support. */
2319 1.7.2.2 jdolecek if (speed & IXGBE_LINK_SPEED_1GB_FULL)
2320 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX;
2321 1.7.2.2 jdolecek
2322 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
2323 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
2324 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
2325 1.7.2.2 jdolecek
2326 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a) {
2327 1.7.2.2 jdolecek /* Set lane mode to KR auto negotiation */
2328 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
2329 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2330 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
2331 1.7.2.2 jdolecek
2332 1.7.2.2 jdolecek if (status)
2333 1.7.2.2 jdolecek return status;
2334 1.7.2.2 jdolecek
2335 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
2336 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
2337 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
2338 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
2339 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
2340 1.7.2.2 jdolecek
2341 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
2342 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2343 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
2344 1.7.2.2 jdolecek }
2345 1.7.2.2 jdolecek
2346 1.7.2.2 jdolecek return ixgbe_restart_an_internal_phy_x550em(hw);
2347 1.7.2.2 jdolecek }
2348 1.7.2.2 jdolecek
2349 1.7.2.2 jdolecek /**
2350 1.7.2.2 jdolecek * ixgbe_reset_phy_fw - Reset firmware-controlled PHYs
2351 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2352 1.7.2.2 jdolecek */
2353 1.7.2.2 jdolecek static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
2354 1.7.2.2 jdolecek {
2355 1.7.2.2 jdolecek u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
2356 1.7.2.2 jdolecek s32 rc;
2357 1.7.2.2 jdolecek
2358 1.7.2.2 jdolecek if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
2359 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2360 1.7.2.2 jdolecek
2361 1.7.2.2 jdolecek rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_PHY_SW_RESET, &store);
2362 1.7.2.2 jdolecek if (rc)
2363 1.7.2.2 jdolecek return rc;
2364 1.7.2.2 jdolecek memset(store, 0, sizeof(store));
2365 1.7.2.2 jdolecek
2366 1.7.2.2 jdolecek rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_INIT_PHY, &store);
2367 1.7.2.2 jdolecek if (rc)
2368 1.7.2.2 jdolecek return rc;
2369 1.7.2.2 jdolecek
2370 1.7.2.2 jdolecek return ixgbe_setup_fw_link(hw);
2371 1.7.2.2 jdolecek }
2372 1.7.2.2 jdolecek
2373 1.7.2.2 jdolecek /**
2374 1.7.2.2 jdolecek * ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp
2375 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2376 1.7.2.2 jdolecek */
2377 1.7.2.2 jdolecek static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
2378 1.7.2.2 jdolecek {
2379 1.7.2.2 jdolecek u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
2380 1.7.2.2 jdolecek s32 rc;
2381 1.7.2.2 jdolecek
2382 1.7.2.2 jdolecek rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
2383 1.7.2.2 jdolecek if (rc)
2384 1.7.2.2 jdolecek return rc;
2385 1.7.2.2 jdolecek
2386 1.7.2.2 jdolecek if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
2387 1.7.2.2 jdolecek ixgbe_shutdown_fw_phy(hw);
2388 1.7.2.2 jdolecek return IXGBE_ERR_OVERTEMP;
2389 1.7.2.2 jdolecek }
2390 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2391 1.7.2.2 jdolecek }
2392 1.7.2.2 jdolecek
2393 1.7.2.2 jdolecek /**
2394 1.7.2.2 jdolecek * ixgbe_read_mng_if_sel_x550em - Read NW_MNG_IF_SEL register
2395 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2396 1.7.2.2 jdolecek *
2397 1.7.2.2 jdolecek * Read NW_MNG_IF_SEL register and save field values, and check for valid field
2398 1.7.2.2 jdolecek * values.
2399 1.7.2.2 jdolecek **/
2400 1.7.2.2 jdolecek static s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw)
2401 1.7.2.2 jdolecek {
2402 1.7.2.2 jdolecek /* Save NW management interface connected on board. This is used
2403 1.7.2.2 jdolecek * to determine internal PHY mode.
2404 1.7.2.2 jdolecek */
2405 1.7.2.2 jdolecek hw->phy.nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
2406 1.7.2.2 jdolecek
2407 1.7.2.2 jdolecek /* If X552 (X550EM_a) and MDIO is connected to external PHY, then set
2408 1.7.2.2 jdolecek * PHY address. This register field was has only been used for X552.
2409 1.7.2.2 jdolecek */
2410 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a &&
2411 1.7.2.2 jdolecek hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_MDIO_ACT) {
2412 1.7.2.2 jdolecek hw->phy.addr = (hw->phy.nw_mng_if_sel &
2413 1.7.2.2 jdolecek IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
2414 1.7.2.2 jdolecek IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
2415 1.7.2.2 jdolecek }
2416 1.7.2.2 jdolecek
2417 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2418 1.7.2.2 jdolecek }
2419 1.7.2.2 jdolecek
2420 1.7.2.2 jdolecek /**
2421 1.7.2.2 jdolecek * ixgbe_init_phy_ops_X550em - PHY/SFP specific init
2422 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2423 1.7.2.2 jdolecek *
2424 1.7.2.2 jdolecek * Initialize any function pointers that were not able to be
2425 1.7.2.2 jdolecek * set during init_shared_code because the PHY/SFP type was
2426 1.7.2.2 jdolecek * not known. Perform the SFP init if necessary.
2427 1.7.2.2 jdolecek */
2428 1.7.2.2 jdolecek s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
2429 1.7.2.2 jdolecek {
2430 1.7.2.2 jdolecek struct ixgbe_phy_info *phy = &hw->phy;
2431 1.7.2.2 jdolecek s32 ret_val;
2432 1.7.2.2 jdolecek
2433 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_init_phy_ops_X550em");
2434 1.7.2.2 jdolecek
2435 1.7.2.2 jdolecek hw->mac.ops.set_lan_id(hw);
2436 1.7.2.2 jdolecek ixgbe_read_mng_if_sel_x550em(hw);
2437 1.7.2.2 jdolecek
2438 1.7.2.2 jdolecek if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
2439 1.7.2.2 jdolecek phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
2440 1.7.2.2 jdolecek ixgbe_setup_mux_ctl(hw);
2441 1.7.2.2 jdolecek phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em;
2442 1.7.2.2 jdolecek }
2443 1.7.2.2 jdolecek
2444 1.7.2.2 jdolecek switch (hw->device_id) {
2445 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
2446 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
2447 1.7.2.2 jdolecek phy->ops.read_reg_mdi = ixgbe_read_phy_reg_mdi_22;
2448 1.7.2.2 jdolecek phy->ops.write_reg_mdi = ixgbe_write_phy_reg_mdi_22;
2449 1.7.2.2 jdolecek hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
2450 1.7.2.2 jdolecek hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
2451 1.7.2.2 jdolecek phy->ops.check_overtemp = ixgbe_check_overtemp_fw;
2452 1.7.2.2 jdolecek if (hw->bus.lan_id)
2453 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
2454 1.7.2.2 jdolecek else
2455 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
2456 1.7.2.2 jdolecek
2457 1.7.2.2 jdolecek break;
2458 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_10G_T:
2459 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP:
2460 1.7.2.2 jdolecek hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
2461 1.7.2.2 jdolecek hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
2462 1.7.2.2 jdolecek if (hw->bus.lan_id)
2463 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
2464 1.7.2.2 jdolecek else
2465 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
2466 1.7.2.2 jdolecek break;
2467 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_SFP:
2468 1.7.2.2 jdolecek /* set up for CS4227 usage */
2469 1.7.2.2 jdolecek hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
2470 1.7.2.2 jdolecek break;
2471 1.7.2.2 jdolecek default:
2472 1.7.2.2 jdolecek break;
2473 1.7.2.2 jdolecek }
2474 1.7.2.2 jdolecek
2475 1.7.2.2 jdolecek /* Identify the PHY or SFP module */
2476 1.7.2.2 jdolecek ret_val = phy->ops.identify(hw);
2477 1.7.2.2 jdolecek if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
2478 1.7.2.2 jdolecek ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
2479 1.7.2.2 jdolecek return ret_val;
2480 1.7.2.2 jdolecek
2481 1.7.2.2 jdolecek /* Setup function pointers based on detected hardware */
2482 1.7.2.2 jdolecek ixgbe_init_mac_link_ops_X550em(hw);
2483 1.7.2.2 jdolecek if (phy->sfp_type != ixgbe_sfp_type_unknown)
2484 1.7.2.2 jdolecek phy->ops.reset = NULL;
2485 1.7.2.2 jdolecek
2486 1.7.2.2 jdolecek /* Set functions pointers based on phy type */
2487 1.7.2.2 jdolecek switch (hw->phy.type) {
2488 1.7.2.2 jdolecek case ixgbe_phy_x550em_kx4:
2489 1.7.2.2 jdolecek phy->ops.setup_link = NULL;
2490 1.7.2.2 jdolecek phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
2491 1.7.2.2 jdolecek phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
2492 1.7.2.2 jdolecek break;
2493 1.7.2.2 jdolecek case ixgbe_phy_x550em_kr:
2494 1.7.2.2 jdolecek phy->ops.setup_link = ixgbe_setup_kr_x550em;
2495 1.7.2.2 jdolecek phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
2496 1.7.2.2 jdolecek phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
2497 1.7.2.2 jdolecek break;
2498 1.7.2.2 jdolecek case ixgbe_phy_ext_1g_t:
2499 1.7.2.2 jdolecek /* link is managed by FW */
2500 1.7.2.2 jdolecek phy->ops.setup_link = NULL;
2501 1.7.2.2 jdolecek phy->ops.reset = NULL;
2502 1.7.2.2 jdolecek break;
2503 1.7.2.2 jdolecek case ixgbe_phy_x550em_xfi:
2504 1.7.2.2 jdolecek /* link is managed by HW */
2505 1.7.2.2 jdolecek phy->ops.setup_link = NULL;
2506 1.7.2.2 jdolecek phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
2507 1.7.2.2 jdolecek phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
2508 1.7.2.2 jdolecek break;
2509 1.7.2.2 jdolecek case ixgbe_phy_x550em_ext_t:
2510 1.7.2.2 jdolecek /* If internal link mode is XFI, then setup iXFI internal link,
2511 1.7.2.2 jdolecek * else setup KR now.
2512 1.7.2.2 jdolecek */
2513 1.7.2.2 jdolecek phy->ops.setup_internal_link =
2514 1.7.2.2 jdolecek ixgbe_setup_internal_phy_t_x550em;
2515 1.7.2.2 jdolecek
2516 1.7.2.2 jdolecek /* setup SW LPLU only for first revision of X550EM_x */
2517 1.7.2.2 jdolecek if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
2518 1.7.2.2 jdolecek !(IXGBE_FUSES0_REV_MASK &
2519 1.7.2.2 jdolecek IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
2520 1.7.2.2 jdolecek phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em;
2521 1.7.2.2 jdolecek
2522 1.7.2.2 jdolecek phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
2523 1.7.2.2 jdolecek phy->ops.reset = ixgbe_reset_phy_t_X550em;
2524 1.7.2.2 jdolecek break;
2525 1.7.2.2 jdolecek case ixgbe_phy_sgmii:
2526 1.7.2.2 jdolecek phy->ops.setup_link = NULL;
2527 1.7.2.2 jdolecek break;
2528 1.7.2.2 jdolecek case ixgbe_phy_fw:
2529 1.7.2.2 jdolecek phy->ops.setup_link = ixgbe_setup_fw_link;
2530 1.7.2.2 jdolecek phy->ops.reset = ixgbe_reset_phy_fw;
2531 1.7.2.2 jdolecek break;
2532 1.7.2.2 jdolecek default:
2533 1.7.2.2 jdolecek break;
2534 1.7.2.2 jdolecek }
2535 1.7.2.2 jdolecek return ret_val;
2536 1.7.2.2 jdolecek }
2537 1.7.2.2 jdolecek
2538 1.7.2.2 jdolecek /**
2539 1.7.2.2 jdolecek * ixgbe_set_mdio_speed - Set MDIO clock speed
2540 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2541 1.7.2.2 jdolecek */
2542 1.7.2.2 jdolecek static void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
2543 1.7.2.2 jdolecek {
2544 1.7.2.2 jdolecek u32 hlreg0;
2545 1.7.2.2 jdolecek
2546 1.7.2.2 jdolecek switch (hw->device_id) {
2547 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_10G_T:
2548 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SGMII:
2549 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SGMII_L:
2550 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_10G_T:
2551 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_SFP:
2552 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_QSFP:
2553 1.7.2.2 jdolecek /* Config MDIO clock speed before the first MDIO PHY access */
2554 1.7.2.2 jdolecek hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
2555 1.7.2.2 jdolecek hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
2556 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
2557 1.7.2.2 jdolecek break;
2558 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T:
2559 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_1G_T_L:
2560 1.7.2.2 jdolecek /* Select fast MDIO clock speed for these devices */
2561 1.7.2.2 jdolecek hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
2562 1.7.2.2 jdolecek hlreg0 |= IXGBE_HLREG0_MDCSPD;
2563 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
2564 1.7.2.2 jdolecek break;
2565 1.7.2.2 jdolecek default:
2566 1.7.2.2 jdolecek break;
2567 1.7.2.2 jdolecek }
2568 1.7.2.2 jdolecek }
2569 1.7.2.2 jdolecek
2570 1.7.2.2 jdolecek /**
2571 1.7.2.2 jdolecek * ixgbe_reset_hw_X550em - Perform hardware reset
2572 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2573 1.7.2.2 jdolecek *
2574 1.7.2.2 jdolecek * Resets the hardware by resetting the transmit and receive units, masks
2575 1.7.2.2 jdolecek * and clears all interrupts, perform a PHY reset, and perform a link (MAC)
2576 1.7.2.2 jdolecek * reset.
2577 1.7.2.2 jdolecek */
2578 1.7.2.2 jdolecek s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
2579 1.7.2.2 jdolecek {
2580 1.7.2.2 jdolecek ixgbe_link_speed link_speed;
2581 1.7.2.2 jdolecek s32 status;
2582 1.7.2.2 jdolecek u32 ctrl = 0;
2583 1.7.2.2 jdolecek u32 i;
2584 1.7.2.2 jdolecek bool link_up = FALSE;
2585 1.7.2.2 jdolecek u32 swfw_mask = hw->phy.phy_semaphore_mask;
2586 1.7.2.2 jdolecek
2587 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_reset_hw_X550em");
2588 1.7.2.2 jdolecek
2589 1.7.2.2 jdolecek /* Call adapter stop to disable Tx/Rx and clear interrupts */
2590 1.7.2.2 jdolecek status = hw->mac.ops.stop_adapter(hw);
2591 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
2592 1.7.2.2 jdolecek DEBUGOUT1("Failed to stop adapter, STATUS = %d\n", status);
2593 1.7.2.2 jdolecek return status;
2594 1.7.2.2 jdolecek }
2595 1.7.2.2 jdolecek /* flush pending Tx transactions */
2596 1.7.2.2 jdolecek ixgbe_clear_tx_pending(hw);
2597 1.7.2.2 jdolecek
2598 1.7.2.2 jdolecek ixgbe_set_mdio_speed(hw);
2599 1.7.2.2 jdolecek
2600 1.7.2.2 jdolecek /* PHY ops must be identified and initialized prior to reset */
2601 1.7.2.2 jdolecek status = hw->phy.ops.init(hw);
2602 1.7.2.2 jdolecek
2603 1.7.2.2 jdolecek if (status)
2604 1.7.2.2 jdolecek DEBUGOUT1("Failed to initialize PHY ops, STATUS = %d\n",
2605 1.7.2.2 jdolecek status);
2606 1.7.2.2 jdolecek
2607 1.7.2.2 jdolecek if (status == IXGBE_ERR_SFP_NOT_SUPPORTED) {
2608 1.7.2.2 jdolecek DEBUGOUT("Returning from reset HW due to PHY init failure\n");
2609 1.7.2.2 jdolecek return status;
2610 1.7.2.2 jdolecek }
2611 1.7.2.2 jdolecek
2612 1.7.2.2 jdolecek /* start the external PHY */
2613 1.7.2.2 jdolecek if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
2614 1.7.2.2 jdolecek status = ixgbe_init_ext_t_x550em(hw);
2615 1.7.2.2 jdolecek if (status) {
2616 1.7.2.2 jdolecek DEBUGOUT1("Failed to start the external PHY, STATUS = %d\n",
2617 1.7.2.2 jdolecek status);
2618 1.7.2.2 jdolecek return status;
2619 1.7.2.2 jdolecek }
2620 1.7.2.2 jdolecek }
2621 1.7.2.2 jdolecek
2622 1.7.2.2 jdolecek /* Setup SFP module if there is one present. */
2623 1.7.2.2 jdolecek if (hw->phy.sfp_setup_needed) {
2624 1.7.2.2 jdolecek status = hw->mac.ops.setup_sfp(hw);
2625 1.7.2.2 jdolecek hw->phy.sfp_setup_needed = FALSE;
2626 1.7.2.2 jdolecek }
2627 1.7.2.2 jdolecek
2628 1.7.2.2 jdolecek if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
2629 1.7.2.2 jdolecek return status;
2630 1.7.2.2 jdolecek
2631 1.7.2.2 jdolecek /* Reset PHY */
2632 1.7.2.2 jdolecek if (!hw->phy.reset_disable && hw->phy.ops.reset) {
2633 1.7.2.2 jdolecek if (hw->phy.ops.reset(hw) == IXGBE_ERR_OVERTEMP)
2634 1.7.2.2 jdolecek return IXGBE_ERR_OVERTEMP;
2635 1.7.2.2 jdolecek }
2636 1.7.2.2 jdolecek
2637 1.7.2.2 jdolecek mac_reset_top:
2638 1.7.2.2 jdolecek /* Issue global reset to the MAC. Needs to be SW reset if link is up.
2639 1.7.2.2 jdolecek * If link reset is used when link is up, it might reset the PHY when
2640 1.7.2.2 jdolecek * mng is using it. If link is down or the flag to force full link
2641 1.7.2.2 jdolecek * reset is set, then perform link reset.
2642 1.7.2.2 jdolecek */
2643 1.7.2.2 jdolecek ctrl = IXGBE_CTRL_LNK_RST;
2644 1.7.2.2 jdolecek if (!hw->force_full_reset) {
2645 1.7.2.2 jdolecek hw->mac.ops.check_link(hw, &link_speed, &link_up, FALSE);
2646 1.7.2.2 jdolecek if (link_up)
2647 1.7.2.2 jdolecek ctrl = IXGBE_CTRL_RST;
2648 1.7.2.2 jdolecek }
2649 1.7.2.2 jdolecek
2650 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
2651 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
2652 1.7.2.2 jdolecek ERROR_REPORT2(IXGBE_ERROR_CAUTION,
2653 1.7.2.2 jdolecek "semaphore failed with %d", status);
2654 1.7.2.2 jdolecek return IXGBE_ERR_SWFW_SYNC;
2655 1.7.2.2 jdolecek }
2656 1.7.2.2 jdolecek ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
2657 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
2658 1.7.2.2 jdolecek IXGBE_WRITE_FLUSH(hw);
2659 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, swfw_mask);
2660 1.7.2.2 jdolecek
2661 1.7.2.2 jdolecek /* Poll for reset bit to self-clear meaning reset is complete */
2662 1.7.2.2 jdolecek for (i = 0; i < 10; i++) {
2663 1.7.2.2 jdolecek usec_delay(1);
2664 1.7.2.2 jdolecek ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
2665 1.7.2.2 jdolecek if (!(ctrl & IXGBE_CTRL_RST_MASK))
2666 1.7.2.2 jdolecek break;
2667 1.7.2.2 jdolecek }
2668 1.7.2.2 jdolecek
2669 1.7.2.2 jdolecek if (ctrl & IXGBE_CTRL_RST_MASK) {
2670 1.7.2.2 jdolecek status = IXGBE_ERR_RESET_FAILED;
2671 1.7.2.2 jdolecek DEBUGOUT("Reset polling failed to complete.\n");
2672 1.7.2.2 jdolecek }
2673 1.7.2.2 jdolecek
2674 1.7.2.2 jdolecek msec_delay(50);
2675 1.7.2.2 jdolecek
2676 1.7.2.2 jdolecek /* Double resets are required for recovery from certain error
2677 1.7.2.2 jdolecek * conditions. Between resets, it is necessary to stall to
2678 1.7.2.2 jdolecek * allow time for any pending HW events to complete.
2679 1.7.2.2 jdolecek */
2680 1.7.2.2 jdolecek if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
2681 1.7.2.2 jdolecek hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
2682 1.7.2.2 jdolecek goto mac_reset_top;
2683 1.7.2.2 jdolecek }
2684 1.7.2.2 jdolecek
2685 1.7.2.2 jdolecek /* Store the permanent mac address */
2686 1.7.2.2 jdolecek hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
2687 1.7.2.2 jdolecek
2688 1.7.2.2 jdolecek /* Store MAC address from RAR0, clear receive address registers, and
2689 1.7.2.2 jdolecek * clear the multicast table. Also reset num_rar_entries to 128,
2690 1.7.2.2 jdolecek * since we modify this value when programming the SAN MAC address.
2691 1.7.2.2 jdolecek */
2692 1.7.2.2 jdolecek hw->mac.num_rar_entries = 128;
2693 1.7.2.2 jdolecek hw->mac.ops.init_rx_addrs(hw);
2694 1.7.2.2 jdolecek
2695 1.7.2.2 jdolecek ixgbe_set_mdio_speed(hw);
2696 1.7.2.2 jdolecek
2697 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
2698 1.7.2.2 jdolecek ixgbe_setup_mux_ctl(hw);
2699 1.7.2.2 jdolecek
2700 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2701 1.7.2.2 jdolecek DEBUGOUT1("Reset HW failed, STATUS = %d\n", status);
2702 1.7.2.2 jdolecek
2703 1.7.2.2 jdolecek return status;
2704 1.7.2.2 jdolecek }
2705 1.7.2.2 jdolecek
2706 1.7.2.2 jdolecek /**
2707 1.7.2.2 jdolecek * ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
2708 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2709 1.7.2.2 jdolecek */
2710 1.7.2.2 jdolecek s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
2711 1.7.2.2 jdolecek {
2712 1.7.2.2 jdolecek u32 status;
2713 1.7.2.2 jdolecek u16 reg;
2714 1.7.2.2 jdolecek
2715 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw,
2716 1.7.2.2 jdolecek IXGBE_MDIO_TX_VENDOR_ALARMS_3,
2717 1.7.2.2 jdolecek IXGBE_MDIO_PMA_PMD_DEV_TYPE,
2718 1.7.2.2 jdolecek ®);
2719 1.7.2.2 jdolecek
2720 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2721 1.7.2.2 jdolecek return status;
2722 1.7.2.2 jdolecek
2723 1.7.2.2 jdolecek /* If PHY FW reset completed bit is set then this is the first
2724 1.7.2.2 jdolecek * SW instance after a power on so the PHY FW must be un-stalled.
2725 1.7.2.2 jdolecek */
2726 1.7.2.2 jdolecek if (reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) {
2727 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw,
2728 1.7.2.2 jdolecek IXGBE_MDIO_GLOBAL_RES_PR_10,
2729 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2730 1.7.2.2 jdolecek ®);
2731 1.7.2.2 jdolecek
2732 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2733 1.7.2.2 jdolecek return status;
2734 1.7.2.2 jdolecek
2735 1.7.2.2 jdolecek reg &= ~IXGBE_MDIO_POWER_UP_STALL;
2736 1.7.2.2 jdolecek
2737 1.7.2.2 jdolecek status = hw->phy.ops.write_reg(hw,
2738 1.7.2.2 jdolecek IXGBE_MDIO_GLOBAL_RES_PR_10,
2739 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
2740 1.7.2.2 jdolecek reg);
2741 1.7.2.2 jdolecek
2742 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2743 1.7.2.2 jdolecek return status;
2744 1.7.2.2 jdolecek }
2745 1.7.2.2 jdolecek
2746 1.7.2.2 jdolecek return status;
2747 1.7.2.2 jdolecek }
2748 1.7.2.2 jdolecek
2749 1.7.2.2 jdolecek /**
2750 1.7.2.2 jdolecek * ixgbe_setup_kr_x550em - Configure the KR PHY.
2751 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2752 1.7.2.2 jdolecek **/
2753 1.7.2.2 jdolecek s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
2754 1.7.2.2 jdolecek {
2755 1.7.2.2 jdolecek /* leave link alone for 2.5G */
2756 1.7.2.2 jdolecek if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
2757 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2758 1.7.2.2 jdolecek
2759 1.7.2.2 jdolecek if (ixgbe_check_reset_blocked(hw))
2760 1.7.2.2 jdolecek return 0;
2761 1.7.2.2 jdolecek
2762 1.7.2.2 jdolecek return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
2763 1.7.2.2 jdolecek }
2764 1.7.2.2 jdolecek
2765 1.7.2.2 jdolecek /**
2766 1.7.2.2 jdolecek * ixgbe_setup_mac_link_sfp_x550em - Setup internal/external the PHY for SFP
2767 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2768 1.7.2.2 jdolecek *
2769 1.7.2.2 jdolecek * Configure the external PHY and the integrated KR PHY for SFP support.
2770 1.7.2.2 jdolecek **/
2771 1.7.2.2 jdolecek s32 ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
2772 1.7.2.2 jdolecek ixgbe_link_speed speed,
2773 1.7.2.2 jdolecek bool autoneg_wait_to_complete)
2774 1.7.2.2 jdolecek {
2775 1.7.2.2 jdolecek s32 ret_val;
2776 1.7.2.2 jdolecek u16 reg_slice, reg_val;
2777 1.7.2.2 jdolecek bool setup_linear = FALSE;
2778 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
2779 1.7.2.2 jdolecek
2780 1.7.2.2 jdolecek /* Check if SFP module is supported and linear */
2781 1.7.2.2 jdolecek ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
2782 1.7.2.2 jdolecek
2783 1.7.2.2 jdolecek /* If no SFP module present, then return success. Return success since
2784 1.7.2.2 jdolecek * there is no reason to configure CS4227 and SFP not present error is
2785 1.7.2.2 jdolecek * not excepted in the setup MAC link flow.
2786 1.7.2.2 jdolecek */
2787 1.7.2.2 jdolecek if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
2788 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2789 1.7.2.2 jdolecek
2790 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2791 1.7.2.2 jdolecek return ret_val;
2792 1.7.2.2 jdolecek
2793 1.7.2.2 jdolecek /* Configure internal PHY for KR/KX. */
2794 1.7.2.2 jdolecek ixgbe_setup_kr_speed_x550em(hw, speed);
2795 1.7.2.2 jdolecek
2796 1.7.2.2 jdolecek /* Configure CS4227 LINE side to proper mode. */
2797 1.7.2.2 jdolecek reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
2798 1.7.2.2 jdolecek (hw->bus.lan_id << 12);
2799 1.7.2.2 jdolecek if (setup_linear)
2800 1.7.2.2 jdolecek reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
2801 1.7.2.2 jdolecek else
2802 1.7.2.2 jdolecek reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
2803 1.7.2.2 jdolecek ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
2804 1.7.2.2 jdolecek reg_val);
2805 1.7.2.2 jdolecek return ret_val;
2806 1.7.2.2 jdolecek }
2807 1.7.2.2 jdolecek
2808 1.7.2.2 jdolecek /**
2809 1.7.2.2 jdolecek * ixgbe_setup_sfi_x550a - Configure the internal PHY for native SFI mode
2810 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2811 1.7.2.2 jdolecek * @speed: the link speed to force
2812 1.7.2.2 jdolecek *
2813 1.7.2.2 jdolecek * Configures the integrated PHY for native SFI mode. Used to connect the
2814 1.7.2.2 jdolecek * internal PHY directly to an SFP cage, without autonegotiation.
2815 1.7.2.2 jdolecek **/
2816 1.7.2.2 jdolecek static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
2817 1.7.2.2 jdolecek {
2818 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
2819 1.7.2.2 jdolecek s32 status;
2820 1.7.2.2 jdolecek u32 reg_val;
2821 1.7.2.2 jdolecek
2822 1.7.2.2 jdolecek /* Disable all AN and force speed to 10G Serial. */
2823 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
2824 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2825 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
2826 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2827 1.7.2.2 jdolecek return status;
2828 1.7.2.2 jdolecek
2829 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
2830 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
2831 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
2832 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
2833 1.7.2.2 jdolecek
2834 1.7.2.2 jdolecek /* Select forced link speed for internal PHY. */
2835 1.7.2.2 jdolecek switch (*speed) {
2836 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_10GB_FULL:
2837 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10G;
2838 1.7.2.2 jdolecek break;
2839 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_1GB_FULL:
2840 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
2841 1.7.2.2 jdolecek break;
2842 1.7.2.2 jdolecek default:
2843 1.7.2.2 jdolecek /* Other link speeds are not supported by internal PHY. */
2844 1.7.2.2 jdolecek return IXGBE_ERR_LINK_SETUP;
2845 1.7.2.2 jdolecek }
2846 1.7.2.2 jdolecek
2847 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
2848 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2849 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
2850 1.7.2.2 jdolecek
2851 1.7.2.2 jdolecek /* Toggle port SW reset by AN reset. */
2852 1.7.2.2 jdolecek status = ixgbe_restart_an_internal_phy_x550em(hw);
2853 1.7.2.2 jdolecek
2854 1.7.2.2 jdolecek return status;
2855 1.7.2.2 jdolecek }
2856 1.7.2.2 jdolecek
2857 1.7.2.2 jdolecek /**
2858 1.7.2.2 jdolecek * ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
2859 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2860 1.7.2.2 jdolecek *
2861 1.7.2.2 jdolecek * Configure the the integrated PHY for SFP support.
2862 1.7.2.2 jdolecek **/
2863 1.7.2.2 jdolecek s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw,
2864 1.7.2.2 jdolecek ixgbe_link_speed speed,
2865 1.7.2.2 jdolecek bool autoneg_wait_to_complete)
2866 1.7.2.2 jdolecek {
2867 1.7.2.2 jdolecek s32 ret_val;
2868 1.7.2.2 jdolecek u16 reg_phy_ext;
2869 1.7.2.2 jdolecek bool setup_linear = FALSE;
2870 1.7.2.2 jdolecek u32 reg_slice, reg_phy_int, slice_offset;
2871 1.7.2.2 jdolecek
2872 1.7.2.2 jdolecek UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
2873 1.7.2.2 jdolecek
2874 1.7.2.2 jdolecek /* Check if SFP module is supported and linear */
2875 1.7.2.2 jdolecek ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
2876 1.7.2.2 jdolecek
2877 1.7.2.2 jdolecek /* If no SFP module present, then return success. Return success since
2878 1.7.2.2 jdolecek * SFP not present error is not excepted in the setup MAC link flow.
2879 1.7.2.2 jdolecek */
2880 1.7.2.2 jdolecek if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
2881 1.7.2.2 jdolecek return IXGBE_SUCCESS;
2882 1.7.2.2 jdolecek
2883 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2884 1.7.2.2 jdolecek return ret_val;
2885 1.7.2.2 jdolecek
2886 1.7.2.2 jdolecek if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) {
2887 1.7.2.2 jdolecek /* Configure internal PHY for native SFI based on module type */
2888 1.7.2.2 jdolecek ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
2889 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2890 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_phy_int);
2891 1.7.2.2 jdolecek
2892 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2893 1.7.2.2 jdolecek return ret_val;
2894 1.7.2.2 jdolecek
2895 1.7.2.2 jdolecek reg_phy_int &= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_DA;
2896 1.7.2.2 jdolecek if (!setup_linear)
2897 1.7.2.2 jdolecek reg_phy_int |= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_SR;
2898 1.7.2.2 jdolecek
2899 1.7.2.2 jdolecek ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
2900 1.7.2.2 jdolecek IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
2901 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_phy_int);
2902 1.7.2.2 jdolecek
2903 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2904 1.7.2.2 jdolecek return ret_val;
2905 1.7.2.2 jdolecek
2906 1.7.2.2 jdolecek /* Setup SFI internal link. */
2907 1.7.2.2 jdolecek ret_val = ixgbe_setup_sfi_x550a(hw, &speed);
2908 1.7.2.2 jdolecek } else {
2909 1.7.2.2 jdolecek /* Configure internal PHY for KR/KX. */
2910 1.7.2.2 jdolecek ixgbe_setup_kr_speed_x550em(hw, speed);
2911 1.7.2.2 jdolecek
2912 1.7.2.2 jdolecek if (hw->phy.addr == 0x0 || hw->phy.addr == 0xFFFF) {
2913 1.7.2.2 jdolecek /* Find Address */
2914 1.7.2.2 jdolecek DEBUGOUT("Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n");
2915 1.7.2.2 jdolecek return IXGBE_ERR_PHY_ADDR_INVALID;
2916 1.7.2.2 jdolecek }
2917 1.7.2.2 jdolecek
2918 1.7.2.2 jdolecek /* Get external PHY SKU id */
2919 1.7.2.2 jdolecek ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
2920 1.7.2.2 jdolecek IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
2921 1.7.2.2 jdolecek
2922 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2923 1.7.2.2 jdolecek return ret_val;
2924 1.7.2.2 jdolecek
2925 1.7.2.2 jdolecek /* When configuring quad port CS4223, the MAC instance is part
2926 1.7.2.2 jdolecek * of the slice offset.
2927 1.7.2.2 jdolecek */
2928 1.7.2.2 jdolecek if (reg_phy_ext == IXGBE_CS4223_SKU_ID)
2929 1.7.2.2 jdolecek slice_offset = (hw->bus.lan_id +
2930 1.7.2.2 jdolecek (hw->bus.instance_id << 1)) << 12;
2931 1.7.2.2 jdolecek else
2932 1.7.2.2 jdolecek slice_offset = hw->bus.lan_id << 12;
2933 1.7.2.2 jdolecek
2934 1.7.2.2 jdolecek /* Configure CS4227/CS4223 LINE side to proper mode. */
2935 1.7.2.2 jdolecek reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + slice_offset;
2936 1.7.2.2 jdolecek
2937 1.7.2.2 jdolecek ret_val = hw->phy.ops.read_reg(hw, reg_slice,
2938 1.7.2.2 jdolecek IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
2939 1.7.2.2 jdolecek
2940 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
2941 1.7.2.2 jdolecek return ret_val;
2942 1.7.2.2 jdolecek
2943 1.7.2.2 jdolecek reg_phy_ext &= ~((IXGBE_CS4227_EDC_MODE_CX1 << 1) |
2944 1.7.2.2 jdolecek (IXGBE_CS4227_EDC_MODE_SR << 1));
2945 1.7.2.2 jdolecek
2946 1.7.2.2 jdolecek if (setup_linear)
2947 1.7.2.2 jdolecek reg_phy_ext = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
2948 1.7.2.2 jdolecek else
2949 1.7.2.2 jdolecek reg_phy_ext = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
2950 1.7.2.2 jdolecek ret_val = hw->phy.ops.write_reg(hw, reg_slice,
2951 1.7.2.2 jdolecek IXGBE_MDIO_ZERO_DEV_TYPE, reg_phy_ext);
2952 1.7.2.2 jdolecek
2953 1.7.2.2 jdolecek /* Flush previous write with a read */
2954 1.7.2.2 jdolecek ret_val = hw->phy.ops.read_reg(hw, reg_slice,
2955 1.7.2.2 jdolecek IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
2956 1.7.2.2 jdolecek }
2957 1.7.2.2 jdolecek return ret_val;
2958 1.7.2.2 jdolecek }
2959 1.7.2.2 jdolecek
2960 1.7.2.2 jdolecek /**
2961 1.7.2.2 jdolecek * ixgbe_setup_ixfi_x550em_x - MAC specific iXFI configuration
2962 1.7.2.2 jdolecek * @hw: pointer to hardware structure
2963 1.7.2.2 jdolecek *
2964 1.7.2.2 jdolecek * iXfI configuration needed for ixgbe_mac_X550EM_x devices.
2965 1.7.2.2 jdolecek **/
2966 1.7.2.2 jdolecek static s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw)
2967 1.7.2.2 jdolecek {
2968 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
2969 1.7.2.2 jdolecek s32 status;
2970 1.7.2.2 jdolecek u32 reg_val;
2971 1.7.2.2 jdolecek
2972 1.7.2.2 jdolecek /* Disable training protocol FSM. */
2973 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
2974 1.7.2.2 jdolecek IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
2975 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
2976 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2977 1.7.2.2 jdolecek return status;
2978 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
2979 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
2980 1.7.2.2 jdolecek IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
2981 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
2982 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2983 1.7.2.2 jdolecek return status;
2984 1.7.2.2 jdolecek
2985 1.7.2.2 jdolecek /* Disable Flex from training TXFFE. */
2986 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
2987 1.7.2.2 jdolecek IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
2988 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
2989 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2990 1.7.2.2 jdolecek return status;
2991 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
2992 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
2993 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
2994 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
2995 1.7.2.2 jdolecek IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
2996 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
2997 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
2998 1.7.2.2 jdolecek return status;
2999 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
3000 1.7.2.2 jdolecek IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
3001 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3002 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3003 1.7.2.2 jdolecek return status;
3004 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
3005 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
3006 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
3007 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
3008 1.7.2.2 jdolecek IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
3009 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3010 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3011 1.7.2.2 jdolecek return status;
3012 1.7.2.2 jdolecek
3013 1.7.2.2 jdolecek /* Enable override for coefficients. */
3014 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
3015 1.7.2.2 jdolecek IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
3016 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3017 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3018 1.7.2.2 jdolecek return status;
3019 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_OVRRD_EN;
3020 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN;
3021 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN;
3022 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN;
3023 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
3024 1.7.2.2 jdolecek IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
3025 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3026 1.7.2.2 jdolecek return status;
3027 1.7.2.2 jdolecek }
3028 1.7.2.2 jdolecek
3029 1.7.2.2 jdolecek /**
3030 1.7.2.2 jdolecek * ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
3031 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3032 1.7.2.2 jdolecek * @speed: the link speed to force
3033 1.7.2.2 jdolecek *
3034 1.7.2.2 jdolecek * Configures the integrated KR PHY to use iXFI mode. Used to connect an
3035 1.7.2.2 jdolecek * internal and external PHY at a specific speed, without autonegotiation.
3036 1.7.2.2 jdolecek **/
3037 1.7.2.2 jdolecek static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
3038 1.7.2.2 jdolecek {
3039 1.7.2.2 jdolecek struct ixgbe_mac_info *mac = &hw->mac;
3040 1.7.2.2 jdolecek s32 status;
3041 1.7.2.2 jdolecek u32 reg_val;
3042 1.7.2.2 jdolecek
3043 1.7.2.2 jdolecek /* iXFI is only supported with X552 */
3044 1.7.2.2 jdolecek if (mac->type != ixgbe_mac_X550EM_x)
3045 1.7.2.2 jdolecek return IXGBE_ERR_LINK_SETUP;
3046 1.7.2.2 jdolecek
3047 1.7.2.2 jdolecek /* Disable AN and force speed to 10G Serial. */
3048 1.7.2.2 jdolecek status = mac->ops.read_iosf_sb_reg(hw,
3049 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
3050 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3051 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3052 1.7.2.2 jdolecek return status;
3053 1.7.2.2 jdolecek
3054 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
3055 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
3056 1.7.2.2 jdolecek
3057 1.7.2.2 jdolecek /* Select forced link speed for internal PHY. */
3058 1.7.2.2 jdolecek switch (*speed) {
3059 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_10GB_FULL:
3060 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
3061 1.7.2.2 jdolecek break;
3062 1.7.2.2 jdolecek case IXGBE_LINK_SPEED_1GB_FULL:
3063 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
3064 1.7.2.2 jdolecek break;
3065 1.7.2.2 jdolecek default:
3066 1.7.2.2 jdolecek /* Other link speeds are not supported by internal KR PHY. */
3067 1.7.2.2 jdolecek return IXGBE_ERR_LINK_SETUP;
3068 1.7.2.2 jdolecek }
3069 1.7.2.2 jdolecek
3070 1.7.2.2 jdolecek status = mac->ops.write_iosf_sb_reg(hw,
3071 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
3072 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3073 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3074 1.7.2.2 jdolecek return status;
3075 1.7.2.2 jdolecek
3076 1.7.2.2 jdolecek /* Additional configuration needed for x550em_x */
3077 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_x) {
3078 1.7.2.2 jdolecek status = ixgbe_setup_ixfi_x550em_x(hw);
3079 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3080 1.7.2.2 jdolecek return status;
3081 1.7.2.2 jdolecek }
3082 1.7.2.2 jdolecek
3083 1.7.2.2 jdolecek /* Toggle port SW reset by AN reset. */
3084 1.7.2.2 jdolecek status = ixgbe_restart_an_internal_phy_x550em(hw);
3085 1.7.2.2 jdolecek
3086 1.7.2.2 jdolecek return status;
3087 1.7.2.2 jdolecek }
3088 1.7.2.2 jdolecek
3089 1.7.2.2 jdolecek /**
3090 1.7.2.2 jdolecek * ixgbe_ext_phy_t_x550em_get_link - Get ext phy link status
3091 1.7.2.2 jdolecek * @hw: address of hardware structure
3092 1.7.2.2 jdolecek * @link_up: address of boolean to indicate link status
3093 1.7.2.2 jdolecek *
3094 1.7.2.2 jdolecek * Returns error code if unable to get link status.
3095 1.7.2.2 jdolecek */
3096 1.7.2.2 jdolecek static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up)
3097 1.7.2.2 jdolecek {
3098 1.7.2.2 jdolecek u32 ret;
3099 1.7.2.2 jdolecek u16 autoneg_status;
3100 1.7.2.2 jdolecek
3101 1.7.2.2 jdolecek *link_up = FALSE;
3102 1.7.2.2 jdolecek
3103 1.7.2.2 jdolecek /* read this twice back to back to indicate current status */
3104 1.7.2.2 jdolecek ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
3105 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3106 1.7.2.2 jdolecek &autoneg_status);
3107 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
3108 1.7.2.2 jdolecek return ret;
3109 1.7.2.2 jdolecek
3110 1.7.2.2 jdolecek ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
3111 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3112 1.7.2.2 jdolecek &autoneg_status);
3113 1.7.2.2 jdolecek if (ret != IXGBE_SUCCESS)
3114 1.7.2.2 jdolecek return ret;
3115 1.7.2.2 jdolecek
3116 1.7.2.2 jdolecek *link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS);
3117 1.7.2.2 jdolecek
3118 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3119 1.7.2.2 jdolecek }
3120 1.7.2.2 jdolecek
3121 1.7.2.2 jdolecek /**
3122 1.7.2.2 jdolecek * ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link
3123 1.7.2.2 jdolecek * @hw: point to hardware structure
3124 1.7.2.2 jdolecek *
3125 1.7.2.2 jdolecek * Configures the link between the integrated KR PHY and the external X557 PHY
3126 1.7.2.2 jdolecek * The driver will call this function when it gets a link status change
3127 1.7.2.2 jdolecek * interrupt from the X557 PHY. This function configures the link speed
3128 1.7.2.2 jdolecek * between the PHYs to match the link speed of the BASE-T link.
3129 1.7.2.2 jdolecek *
3130 1.7.2.2 jdolecek * A return of a non-zero value indicates an error, and the base driver should
3131 1.7.2.2 jdolecek * not report link up.
3132 1.7.2.2 jdolecek */
3133 1.7.2.2 jdolecek s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
3134 1.7.2.2 jdolecek {
3135 1.7.2.2 jdolecek ixgbe_link_speed force_speed;
3136 1.7.2.2 jdolecek bool link_up;
3137 1.7.2.2 jdolecek u32 status;
3138 1.7.2.2 jdolecek u16 speed;
3139 1.7.2.2 jdolecek
3140 1.7.2.2 jdolecek if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
3141 1.7.2.2 jdolecek return IXGBE_ERR_CONFIG;
3142 1.7.2.2 jdolecek
3143 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_x &&
3144 1.7.2.2 jdolecek !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
3145 1.7.2.2 jdolecek /* If link is down, there is no setup necessary so return */
3146 1.7.2.2 jdolecek status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
3147 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3148 1.7.2.2 jdolecek return status;
3149 1.7.2.2 jdolecek
3150 1.7.2.2 jdolecek if (!link_up)
3151 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3152 1.7.2.2 jdolecek
3153 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw,
3154 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
3155 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3156 1.7.2.2 jdolecek &speed);
3157 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3158 1.7.2.2 jdolecek return status;
3159 1.7.2.2 jdolecek
3160 1.7.2.2 jdolecek /* If link is still down - no setup is required so return */
3161 1.7.2.2 jdolecek status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
3162 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3163 1.7.2.2 jdolecek return status;
3164 1.7.2.2 jdolecek if (!link_up)
3165 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3166 1.7.2.2 jdolecek
3167 1.7.2.2 jdolecek /* clear everything but the speed and duplex bits */
3168 1.7.2.2 jdolecek speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
3169 1.7.2.2 jdolecek
3170 1.7.2.2 jdolecek switch (speed) {
3171 1.7.2.2 jdolecek case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
3172 1.7.2.2 jdolecek force_speed = IXGBE_LINK_SPEED_10GB_FULL;
3173 1.7.2.2 jdolecek break;
3174 1.7.2.2 jdolecek case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
3175 1.7.2.2 jdolecek force_speed = IXGBE_LINK_SPEED_1GB_FULL;
3176 1.7.2.2 jdolecek break;
3177 1.7.2.2 jdolecek default:
3178 1.7.2.2 jdolecek /* Internal PHY does not support anything else */
3179 1.7.2.2 jdolecek return IXGBE_ERR_INVALID_LINK_SETTINGS;
3180 1.7.2.2 jdolecek }
3181 1.7.2.2 jdolecek
3182 1.7.2.2 jdolecek return ixgbe_setup_ixfi_x550em(hw, &force_speed);
3183 1.7.2.2 jdolecek } else {
3184 1.7.2.2 jdolecek speed = IXGBE_LINK_SPEED_10GB_FULL |
3185 1.7.2.2 jdolecek IXGBE_LINK_SPEED_1GB_FULL;
3186 1.7.2.2 jdolecek return ixgbe_setup_kr_speed_x550em(hw, speed);
3187 1.7.2.2 jdolecek }
3188 1.7.2.2 jdolecek }
3189 1.7.2.2 jdolecek
3190 1.7.2.2 jdolecek /**
3191 1.7.2.2 jdolecek * ixgbe_setup_phy_loopback_x550em - Configure the KR PHY for loopback.
3192 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3193 1.7.2.2 jdolecek *
3194 1.7.2.2 jdolecek * Configures the integrated KR PHY to use internal loopback mode.
3195 1.7.2.2 jdolecek **/
3196 1.7.2.2 jdolecek s32 ixgbe_setup_phy_loopback_x550em(struct ixgbe_hw *hw)
3197 1.7.2.2 jdolecek {
3198 1.7.2.2 jdolecek s32 status;
3199 1.7.2.2 jdolecek u32 reg_val;
3200 1.7.2.2 jdolecek
3201 1.7.2.2 jdolecek /* Disable AN and force speed to 10G Serial. */
3202 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
3203 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
3204 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3205 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3206 1.7.2.2 jdolecek return status;
3207 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
3208 1.7.2.2 jdolecek reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
3209 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
3210 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
3211 1.7.2.2 jdolecek IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
3212 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3213 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3214 1.7.2.2 jdolecek return status;
3215 1.7.2.2 jdolecek
3216 1.7.2.2 jdolecek /* Set near-end loopback clocks. */
3217 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
3218 1.7.2.2 jdolecek IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
3219 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3220 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3221 1.7.2.2 jdolecek return status;
3222 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_32B;
3223 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_KRPCS;
3224 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
3225 1.7.2.2 jdolecek IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
3226 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3227 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3228 1.7.2.2 jdolecek return status;
3229 1.7.2.2 jdolecek
3230 1.7.2.2 jdolecek /* Set loopback enable. */
3231 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
3232 1.7.2.2 jdolecek IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
3233 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3234 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3235 1.7.2.2 jdolecek return status;
3236 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_PMD_DFX_BURNIN_TX_RX_KR_LB_MASK;
3237 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
3238 1.7.2.2 jdolecek IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
3239 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3240 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3241 1.7.2.2 jdolecek return status;
3242 1.7.2.2 jdolecek
3243 1.7.2.2 jdolecek /* Training bypass. */
3244 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
3245 1.7.2.2 jdolecek IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
3246 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
3247 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3248 1.7.2.2 jdolecek return status;
3249 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_PROTOCOL_BYPASS;
3250 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
3251 1.7.2.2 jdolecek IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
3252 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
3253 1.7.2.2 jdolecek
3254 1.7.2.2 jdolecek return status;
3255 1.7.2.2 jdolecek }
3256 1.7.2.2 jdolecek
3257 1.7.2.2 jdolecek /**
3258 1.7.2.2 jdolecek * ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
3259 1.7.2.2 jdolecek * assuming that the semaphore is already obtained.
3260 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3261 1.7.2.2 jdolecek * @offset: offset of word in the EEPROM to read
3262 1.7.2.2 jdolecek * @data: word read from the EEPROM
3263 1.7.2.2 jdolecek *
3264 1.7.2.2 jdolecek * Reads a 16 bit word from the EEPROM using the hostif.
3265 1.7.2.2 jdolecek **/
3266 1.7.2.2 jdolecek s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
3267 1.7.2.2 jdolecek {
3268 1.7.2.2 jdolecek const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
3269 1.7.2.2 jdolecek struct ixgbe_hic_read_shadow_ram buffer;
3270 1.7.2.2 jdolecek s32 status;
3271 1.7.2.2 jdolecek
3272 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_read_ee_hostif_X550");
3273 1.7.2.2 jdolecek buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
3274 1.7.2.2 jdolecek buffer.hdr.req.buf_lenh = 0;
3275 1.7.2.2 jdolecek buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
3276 1.7.2.2 jdolecek buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
3277 1.7.2.2 jdolecek
3278 1.7.2.2 jdolecek /* convert offset from words to bytes */
3279 1.7.2.2 jdolecek buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
3280 1.7.2.2 jdolecek /* one word */
3281 1.7.2.2 jdolecek buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
3282 1.7.2.2 jdolecek
3283 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, mask);
3284 1.7.2.2 jdolecek if (status)
3285 1.7.2.2 jdolecek return status;
3286 1.7.2.2 jdolecek
3287 1.7.2.2 jdolecek status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
3288 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT);
3289 1.7.2.2 jdolecek if (!status) {
3290 1.7.2.2 jdolecek *data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
3291 1.7.2.2 jdolecek FW_NVM_DATA_OFFSET);
3292 1.7.2.2 jdolecek }
3293 1.7.2.2 jdolecek
3294 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, mask);
3295 1.7.2.2 jdolecek return status;
3296 1.7.2.2 jdolecek }
3297 1.7.2.2 jdolecek
3298 1.7.2.2 jdolecek /**
3299 1.7.2.2 jdolecek * ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif
3300 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3301 1.7.2.2 jdolecek * @offset: offset of word in the EEPROM to read
3302 1.7.2.2 jdolecek * @words: number of words
3303 1.7.2.2 jdolecek * @data: word(s) read from the EEPROM
3304 1.7.2.2 jdolecek *
3305 1.7.2.2 jdolecek * Reads a 16 bit word(s) from the EEPROM using the hostif.
3306 1.7.2.2 jdolecek **/
3307 1.7.2.2 jdolecek s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
3308 1.7.2.2 jdolecek u16 offset, u16 words, u16 *data)
3309 1.7.2.2 jdolecek {
3310 1.7.2.2 jdolecek const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
3311 1.7.2.2 jdolecek struct ixgbe_hic_read_shadow_ram buffer;
3312 1.7.2.2 jdolecek u32 current_word = 0;
3313 1.7.2.2 jdolecek u16 words_to_read;
3314 1.7.2.2 jdolecek s32 status;
3315 1.7.2.2 jdolecek u32 i;
3316 1.7.2.2 jdolecek
3317 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_read_ee_hostif_buffer_X550");
3318 1.7.2.2 jdolecek
3319 1.7.2.2 jdolecek /* Take semaphore for the entire operation. */
3320 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, mask);
3321 1.7.2.2 jdolecek if (status) {
3322 1.7.2.2 jdolecek DEBUGOUT("EEPROM read buffer - semaphore failed\n");
3323 1.7.2.2 jdolecek return status;
3324 1.7.2.2 jdolecek }
3325 1.7.2.2 jdolecek
3326 1.7.2.2 jdolecek while (words) {
3327 1.7.2.2 jdolecek if (words > FW_MAX_READ_BUFFER_SIZE / 2)
3328 1.7.2.2 jdolecek words_to_read = FW_MAX_READ_BUFFER_SIZE / 2;
3329 1.7.2.2 jdolecek else
3330 1.7.2.2 jdolecek words_to_read = words;
3331 1.7.2.2 jdolecek
3332 1.7.2.2 jdolecek buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
3333 1.7.2.2 jdolecek buffer.hdr.req.buf_lenh = 0;
3334 1.7.2.2 jdolecek buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
3335 1.7.2.2 jdolecek buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
3336 1.7.2.2 jdolecek
3337 1.7.2.2 jdolecek /* convert offset from words to bytes */
3338 1.7.2.2 jdolecek buffer.address = IXGBE_CPU_TO_BE32((offset + current_word) * 2);
3339 1.7.2.2 jdolecek buffer.length = IXGBE_CPU_TO_BE16(words_to_read * 2);
3340 1.7.2.2 jdolecek
3341 1.7.2.2 jdolecek status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
3342 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT);
3343 1.7.2.2 jdolecek
3344 1.7.2.2 jdolecek if (status) {
3345 1.7.2.2 jdolecek DEBUGOUT("Host interface command failed\n");
3346 1.7.2.2 jdolecek goto out;
3347 1.7.2.2 jdolecek }
3348 1.7.2.2 jdolecek
3349 1.7.2.2 jdolecek for (i = 0; i < words_to_read; i++) {
3350 1.7.2.2 jdolecek u32 reg = IXGBE_FLEX_MNG + (FW_NVM_DATA_OFFSET << 2) +
3351 1.7.2.2 jdolecek 2 * i;
3352 1.7.2.2 jdolecek u32 value = IXGBE_READ_REG(hw, reg);
3353 1.7.2.2 jdolecek
3354 1.7.2.2 jdolecek data[current_word] = (u16)(value & 0xffff);
3355 1.7.2.2 jdolecek current_word++;
3356 1.7.2.2 jdolecek i++;
3357 1.7.2.2 jdolecek if (i < words_to_read) {
3358 1.7.2.2 jdolecek value >>= 16;
3359 1.7.2.2 jdolecek data[current_word] = (u16)(value & 0xffff);
3360 1.7.2.2 jdolecek current_word++;
3361 1.7.2.2 jdolecek }
3362 1.7.2.2 jdolecek }
3363 1.7.2.2 jdolecek words -= words_to_read;
3364 1.7.2.2 jdolecek }
3365 1.7.2.2 jdolecek
3366 1.7.2.2 jdolecek out:
3367 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, mask);
3368 1.7.2.2 jdolecek return status;
3369 1.7.2.2 jdolecek }
3370 1.7.2.2 jdolecek
3371 1.7.2.2 jdolecek /**
3372 1.7.2.2 jdolecek * ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
3373 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3374 1.7.2.2 jdolecek * @offset: offset of word in the EEPROM to write
3375 1.7.2.2 jdolecek * @data: word write to the EEPROM
3376 1.7.2.2 jdolecek *
3377 1.7.2.2 jdolecek * Write a 16 bit word to the EEPROM using the hostif.
3378 1.7.2.2 jdolecek **/
3379 1.7.2.2 jdolecek s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
3380 1.7.2.2 jdolecek u16 data)
3381 1.7.2.2 jdolecek {
3382 1.7.2.2 jdolecek s32 status;
3383 1.7.2.2 jdolecek struct ixgbe_hic_write_shadow_ram buffer;
3384 1.7.2.2 jdolecek
3385 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_write_ee_hostif_data_X550");
3386 1.7.2.2 jdolecek
3387 1.7.2.2 jdolecek buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
3388 1.7.2.2 jdolecek buffer.hdr.req.buf_lenh = 0;
3389 1.7.2.2 jdolecek buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
3390 1.7.2.2 jdolecek buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
3391 1.7.2.2 jdolecek
3392 1.7.2.2 jdolecek /* one word */
3393 1.7.2.2 jdolecek buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
3394 1.7.2.2 jdolecek buffer.data = data;
3395 1.7.2.2 jdolecek buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
3396 1.7.2.2 jdolecek
3397 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
3398 1.7.2.2 jdolecek sizeof(buffer),
3399 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT, FALSE);
3400 1.7.2.2 jdolecek
3401 1.7.2.2 jdolecek return status;
3402 1.7.2.2 jdolecek }
3403 1.7.2.2 jdolecek
3404 1.7.2.2 jdolecek /**
3405 1.7.2.2 jdolecek * ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
3406 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3407 1.7.2.2 jdolecek * @offset: offset of word in the EEPROM to write
3408 1.7.2.2 jdolecek * @data: word write to the EEPROM
3409 1.7.2.2 jdolecek *
3410 1.7.2.2 jdolecek * Write a 16 bit word to the EEPROM using the hostif.
3411 1.7.2.2 jdolecek **/
3412 1.7.2.2 jdolecek s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset,
3413 1.7.2.2 jdolecek u16 data)
3414 1.7.2.2 jdolecek {
3415 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
3416 1.7.2.2 jdolecek
3417 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_write_ee_hostif_X550");
3418 1.7.2.2 jdolecek
3419 1.7.2.2 jdolecek if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
3420 1.7.2.2 jdolecek IXGBE_SUCCESS) {
3421 1.7.2.2 jdolecek status = ixgbe_write_ee_hostif_data_X550(hw, offset, data);
3422 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
3423 1.7.2.2 jdolecek } else {
3424 1.7.2.2 jdolecek DEBUGOUT("write ee hostif failed to get semaphore");
3425 1.7.2.2 jdolecek status = IXGBE_ERR_SWFW_SYNC;
3426 1.7.2.2 jdolecek }
3427 1.7.2.2 jdolecek
3428 1.7.2.2 jdolecek return status;
3429 1.7.2.2 jdolecek }
3430 1.7.2.2 jdolecek
3431 1.7.2.2 jdolecek /**
3432 1.7.2.2 jdolecek * ixgbe_write_ee_hostif_buffer_X550 - Write EEPROM word(s) using hostif
3433 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3434 1.7.2.2 jdolecek * @offset: offset of word in the EEPROM to write
3435 1.7.2.2 jdolecek * @words: number of words
3436 1.7.2.2 jdolecek * @data: word(s) write to the EEPROM
3437 1.7.2.2 jdolecek *
3438 1.7.2.2 jdolecek * Write a 16 bit word(s) to the EEPROM using the hostif.
3439 1.7.2.2 jdolecek **/
3440 1.7.2.2 jdolecek s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
3441 1.7.2.2 jdolecek u16 offset, u16 words, u16 *data)
3442 1.7.2.2 jdolecek {
3443 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
3444 1.7.2.2 jdolecek u32 i = 0;
3445 1.7.2.2 jdolecek
3446 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_write_ee_hostif_buffer_X550");
3447 1.7.2.2 jdolecek
3448 1.7.2.2 jdolecek /* Take semaphore for the entire operation. */
3449 1.7.2.2 jdolecek status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
3450 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
3451 1.7.2.2 jdolecek DEBUGOUT("EEPROM write buffer - semaphore failed\n");
3452 1.7.2.2 jdolecek goto out;
3453 1.7.2.2 jdolecek }
3454 1.7.2.2 jdolecek
3455 1.7.2.2 jdolecek for (i = 0; i < words; i++) {
3456 1.7.2.2 jdolecek status = ixgbe_write_ee_hostif_data_X550(hw, offset + i,
3457 1.7.2.2 jdolecek data[i]);
3458 1.7.2.2 jdolecek
3459 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
3460 1.7.2.2 jdolecek DEBUGOUT("Eeprom buffered write failed\n");
3461 1.7.2.2 jdolecek break;
3462 1.7.2.2 jdolecek }
3463 1.7.2.2 jdolecek }
3464 1.7.2.2 jdolecek
3465 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
3466 1.7.2.2 jdolecek out:
3467 1.7.2.2 jdolecek
3468 1.7.2.2 jdolecek return status;
3469 1.7.2.2 jdolecek }
3470 1.7.2.2 jdolecek
3471 1.7.2.2 jdolecek /**
3472 1.7.2.2 jdolecek * ixgbe_checksum_ptr_x550 - Checksum one pointer region
3473 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3474 1.7.2.2 jdolecek * @ptr: pointer offset in eeprom
3475 1.7.2.2 jdolecek * @size: size of section pointed by ptr, if 0 first word will be used as size
3476 1.7.2.2 jdolecek * @csum: address of checksum to update
3477 1.7.2.2 jdolecek *
3478 1.7.2.2 jdolecek * Returns error status for any failure
3479 1.7.2.2 jdolecek */
3480 1.7.2.2 jdolecek static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
3481 1.7.2.2 jdolecek u16 size, u16 *csum, u16 *buffer,
3482 1.7.2.2 jdolecek u32 buffer_size)
3483 1.7.2.2 jdolecek {
3484 1.7.2.2 jdolecek u16 buf[256];
3485 1.7.2.2 jdolecek s32 status;
3486 1.7.2.2 jdolecek u16 length, bufsz, i, start;
3487 1.7.2.2 jdolecek u16 *local_buffer;
3488 1.7.2.2 jdolecek
3489 1.7.2.2 jdolecek bufsz = sizeof(buf) / sizeof(buf[0]);
3490 1.7.2.2 jdolecek
3491 1.7.2.2 jdolecek /* Read a chunk at the pointer location */
3492 1.7.2.2 jdolecek if (!buffer) {
3493 1.7.2.2 jdolecek status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf);
3494 1.7.2.2 jdolecek if (status) {
3495 1.7.2.2 jdolecek DEBUGOUT("Failed to read EEPROM image\n");
3496 1.7.2.2 jdolecek return status;
3497 1.7.2.2 jdolecek }
3498 1.7.2.2 jdolecek local_buffer = buf;
3499 1.7.2.2 jdolecek } else {
3500 1.7.2.2 jdolecek if (buffer_size < ptr)
3501 1.7.2.2 jdolecek return IXGBE_ERR_PARAM;
3502 1.7.2.2 jdolecek local_buffer = &buffer[ptr];
3503 1.7.2.2 jdolecek }
3504 1.7.2.2 jdolecek
3505 1.7.2.2 jdolecek if (size) {
3506 1.7.2.2 jdolecek start = 0;
3507 1.7.2.2 jdolecek length = size;
3508 1.7.2.2 jdolecek } else {
3509 1.7.2.2 jdolecek start = 1;
3510 1.7.2.2 jdolecek length = local_buffer[0];
3511 1.7.2.2 jdolecek
3512 1.7.2.2 jdolecek /* Skip pointer section if length is invalid. */
3513 1.7.2.2 jdolecek if (length == 0xFFFF || length == 0 ||
3514 1.7.2.2 jdolecek (ptr + length) >= hw->eeprom.word_size)
3515 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3516 1.7.2.2 jdolecek }
3517 1.7.2.2 jdolecek
3518 1.7.2.2 jdolecek if (buffer && ((u32)start + (u32)length > buffer_size))
3519 1.7.2.2 jdolecek return IXGBE_ERR_PARAM;
3520 1.7.2.2 jdolecek
3521 1.7.2.2 jdolecek for (i = start; length; i++, length--) {
3522 1.7.2.2 jdolecek if (i == bufsz && !buffer) {
3523 1.7.2.2 jdolecek ptr += bufsz;
3524 1.7.2.2 jdolecek i = 0;
3525 1.7.2.2 jdolecek if (length < bufsz)
3526 1.7.2.2 jdolecek bufsz = length;
3527 1.7.2.2 jdolecek
3528 1.7.2.2 jdolecek /* Read a chunk at the pointer location */
3529 1.7.2.2 jdolecek status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr,
3530 1.7.2.2 jdolecek bufsz, buf);
3531 1.7.2.2 jdolecek if (status) {
3532 1.7.2.2 jdolecek DEBUGOUT("Failed to read EEPROM image\n");
3533 1.7.2.2 jdolecek return status;
3534 1.7.2.2 jdolecek }
3535 1.7.2.2 jdolecek }
3536 1.7.2.2 jdolecek *csum += local_buffer[i];
3537 1.7.2.2 jdolecek }
3538 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3539 1.7.2.2 jdolecek }
3540 1.7.2.2 jdolecek
3541 1.7.2.2 jdolecek /**
3542 1.7.2.2 jdolecek * ixgbe_calc_checksum_X550 - Calculates and returns the checksum
3543 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3544 1.7.2.2 jdolecek * @buffer: pointer to buffer containing calculated checksum
3545 1.7.2.2 jdolecek * @buffer_size: size of buffer
3546 1.7.2.2 jdolecek *
3547 1.7.2.2 jdolecek * Returns a negative error code on error, or the 16-bit checksum
3548 1.7.2.2 jdolecek **/
3549 1.7.2.2 jdolecek s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, u32 buffer_size)
3550 1.7.2.2 jdolecek {
3551 1.7.2.2 jdolecek u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
3552 1.7.2.2 jdolecek u16 *local_buffer;
3553 1.7.2.2 jdolecek s32 status;
3554 1.7.2.2 jdolecek u16 checksum = 0;
3555 1.7.2.2 jdolecek u16 pointer, i, size;
3556 1.7.2.2 jdolecek
3557 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_calc_eeprom_checksum_X550");
3558 1.7.2.2 jdolecek
3559 1.7.2.2 jdolecek hw->eeprom.ops.init_params(hw);
3560 1.7.2.2 jdolecek
3561 1.7.2.2 jdolecek if (!buffer) {
3562 1.7.2.2 jdolecek /* Read pointer area */
3563 1.7.2.2 jdolecek status = ixgbe_read_ee_hostif_buffer_X550(hw, 0,
3564 1.7.2.2 jdolecek IXGBE_EEPROM_LAST_WORD + 1,
3565 1.7.2.2 jdolecek eeprom_ptrs);
3566 1.7.2.2 jdolecek if (status) {
3567 1.7.2.2 jdolecek DEBUGOUT("Failed to read EEPROM image\n");
3568 1.7.2.2 jdolecek return status;
3569 1.7.2.2 jdolecek }
3570 1.7.2.2 jdolecek local_buffer = eeprom_ptrs;
3571 1.7.2.2 jdolecek } else {
3572 1.7.2.2 jdolecek if (buffer_size < IXGBE_EEPROM_LAST_WORD)
3573 1.7.2.2 jdolecek return IXGBE_ERR_PARAM;
3574 1.7.2.2 jdolecek local_buffer = buffer;
3575 1.7.2.2 jdolecek }
3576 1.7.2.2 jdolecek
3577 1.7.2.2 jdolecek /*
3578 1.7.2.2 jdolecek * For X550 hardware include 0x0-0x41 in the checksum, skip the
3579 1.7.2.2 jdolecek * checksum word itself
3580 1.7.2.2 jdolecek */
3581 1.7.2.2 jdolecek for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++)
3582 1.7.2.2 jdolecek if (i != IXGBE_EEPROM_CHECKSUM)
3583 1.7.2.2 jdolecek checksum += local_buffer[i];
3584 1.7.2.2 jdolecek
3585 1.7.2.2 jdolecek /*
3586 1.7.2.2 jdolecek * Include all data from pointers 0x3, 0x6-0xE. This excludes the
3587 1.7.2.2 jdolecek * FW, PHY module, and PCIe Expansion/Option ROM pointers.
3588 1.7.2.2 jdolecek */
3589 1.7.2.2 jdolecek for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) {
3590 1.7.2.2 jdolecek if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
3591 1.7.2.2 jdolecek continue;
3592 1.7.2.2 jdolecek
3593 1.7.2.2 jdolecek pointer = local_buffer[i];
3594 1.7.2.2 jdolecek
3595 1.7.2.2 jdolecek /* Skip pointer section if the pointer is invalid. */
3596 1.7.2.2 jdolecek if (pointer == 0xFFFF || pointer == 0 ||
3597 1.7.2.2 jdolecek pointer >= hw->eeprom.word_size)
3598 1.7.2.2 jdolecek continue;
3599 1.7.2.2 jdolecek
3600 1.7.2.2 jdolecek switch (i) {
3601 1.7.2.2 jdolecek case IXGBE_PCIE_GENERAL_PTR:
3602 1.7.2.2 jdolecek size = IXGBE_IXGBE_PCIE_GENERAL_SIZE;
3603 1.7.2.2 jdolecek break;
3604 1.7.2.2 jdolecek case IXGBE_PCIE_CONFIG0_PTR:
3605 1.7.2.2 jdolecek case IXGBE_PCIE_CONFIG1_PTR:
3606 1.7.2.2 jdolecek size = IXGBE_PCIE_CONFIG_SIZE;
3607 1.7.2.2 jdolecek break;
3608 1.7.2.2 jdolecek default:
3609 1.7.2.2 jdolecek size = 0;
3610 1.7.2.2 jdolecek break;
3611 1.7.2.2 jdolecek }
3612 1.7.2.2 jdolecek
3613 1.7.2.2 jdolecek status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum,
3614 1.7.2.2 jdolecek buffer, buffer_size);
3615 1.7.2.2 jdolecek if (status)
3616 1.7.2.2 jdolecek return status;
3617 1.7.2.2 jdolecek }
3618 1.7.2.2 jdolecek
3619 1.7.2.2 jdolecek checksum = (u16)IXGBE_EEPROM_SUM - checksum;
3620 1.7.2.2 jdolecek
3621 1.7.2.2 jdolecek return (s32)checksum;
3622 1.7.2.2 jdolecek }
3623 1.7.2.2 jdolecek
3624 1.7.2.2 jdolecek /**
3625 1.7.2.2 jdolecek * ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum
3626 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3627 1.7.2.2 jdolecek *
3628 1.7.2.2 jdolecek * Returns a negative error code on error, or the 16-bit checksum
3629 1.7.2.2 jdolecek **/
3630 1.7.2.2 jdolecek s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
3631 1.7.2.2 jdolecek {
3632 1.7.2.2 jdolecek return ixgbe_calc_checksum_X550(hw, NULL, 0);
3633 1.7.2.2 jdolecek }
3634 1.7.2.2 jdolecek
3635 1.7.2.2 jdolecek /**
3636 1.7.2.2 jdolecek * ixgbe_validate_eeprom_checksum_X550 - Validate EEPROM checksum
3637 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3638 1.7.2.2 jdolecek * @checksum_val: calculated checksum
3639 1.7.2.2 jdolecek *
3640 1.7.2.2 jdolecek * Performs checksum calculation and validates the EEPROM checksum. If the
3641 1.7.2.2 jdolecek * caller does not need checksum_val, the value can be NULL.
3642 1.7.2.2 jdolecek **/
3643 1.7.2.2 jdolecek s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, u16 *checksum_val)
3644 1.7.2.2 jdolecek {
3645 1.7.2.2 jdolecek s32 status;
3646 1.7.2.2 jdolecek u16 checksum;
3647 1.7.2.2 jdolecek u16 read_checksum = 0;
3648 1.7.2.2 jdolecek
3649 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_validate_eeprom_checksum_X550");
3650 1.7.2.2 jdolecek
3651 1.7.2.2 jdolecek /* Read the first word from the EEPROM. If this times out or fails, do
3652 1.7.2.2 jdolecek * not continue or we could be in for a very long wait while every
3653 1.7.2.2 jdolecek * EEPROM read fails
3654 1.7.2.2 jdolecek */
3655 1.7.2.2 jdolecek status = hw->eeprom.ops.read(hw, 0, &checksum);
3656 1.7.2.2 jdolecek if (status) {
3657 1.7.2.2 jdolecek DEBUGOUT("EEPROM read failed\n");
3658 1.7.2.2 jdolecek return status;
3659 1.7.2.2 jdolecek }
3660 1.7.2.2 jdolecek
3661 1.7.2.2 jdolecek status = hw->eeprom.ops.calc_checksum(hw);
3662 1.7.2.2 jdolecek if (status < 0)
3663 1.7.2.2 jdolecek return status;
3664 1.7.2.2 jdolecek
3665 1.7.2.2 jdolecek checksum = (u16)(status & 0xffff);
3666 1.7.2.2 jdolecek
3667 1.7.2.2 jdolecek status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
3668 1.7.2.2 jdolecek &read_checksum);
3669 1.7.2.2 jdolecek if (status)
3670 1.7.2.2 jdolecek return status;
3671 1.7.2.2 jdolecek
3672 1.7.2.2 jdolecek /* Verify read checksum from EEPROM is the same as
3673 1.7.2.2 jdolecek * calculated checksum
3674 1.7.2.2 jdolecek */
3675 1.7.2.2 jdolecek if (read_checksum != checksum) {
3676 1.7.2.2 jdolecek status = IXGBE_ERR_EEPROM_CHECKSUM;
3677 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
3678 1.7.2.2 jdolecek "Invalid EEPROM checksum");
3679 1.7.2.2 jdolecek }
3680 1.7.2.2 jdolecek
3681 1.7.2.2 jdolecek /* If the user cares, return the calculated checksum */
3682 1.7.2.2 jdolecek if (checksum_val)
3683 1.7.2.2 jdolecek *checksum_val = checksum;
3684 1.7.2.2 jdolecek
3685 1.7.2.2 jdolecek return status;
3686 1.7.2.2 jdolecek }
3687 1.7.2.2 jdolecek
3688 1.7.2.2 jdolecek /**
3689 1.7.2.2 jdolecek * ixgbe_update_eeprom_checksum_X550 - Updates the EEPROM checksum and flash
3690 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3691 1.7.2.2 jdolecek *
3692 1.7.2.2 jdolecek * After writing EEPROM to shadow RAM using EEWR register, software calculates
3693 1.7.2.2 jdolecek * checksum and updates the EEPROM and instructs the hardware to update
3694 1.7.2.2 jdolecek * the flash.
3695 1.7.2.2 jdolecek **/
3696 1.7.2.2 jdolecek s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
3697 1.7.2.2 jdolecek {
3698 1.7.2.2 jdolecek s32 status;
3699 1.7.2.2 jdolecek u16 checksum = 0;
3700 1.7.2.2 jdolecek
3701 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_update_eeprom_checksum_X550");
3702 1.7.2.2 jdolecek
3703 1.7.2.2 jdolecek /* Read the first word from the EEPROM. If this times out or fails, do
3704 1.7.2.2 jdolecek * not continue or we could be in for a very long wait while every
3705 1.7.2.2 jdolecek * EEPROM read fails
3706 1.7.2.2 jdolecek */
3707 1.7.2.2 jdolecek status = ixgbe_read_ee_hostif_X550(hw, 0, &checksum);
3708 1.7.2.2 jdolecek if (status) {
3709 1.7.2.2 jdolecek DEBUGOUT("EEPROM read failed\n");
3710 1.7.2.2 jdolecek return status;
3711 1.7.2.2 jdolecek }
3712 1.7.2.2 jdolecek
3713 1.7.2.2 jdolecek status = ixgbe_calc_eeprom_checksum_X550(hw);
3714 1.7.2.2 jdolecek if (status < 0)
3715 1.7.2.2 jdolecek return status;
3716 1.7.2.2 jdolecek
3717 1.7.2.2 jdolecek checksum = (u16)(status & 0xffff);
3718 1.7.2.2 jdolecek
3719 1.7.2.2 jdolecek status = ixgbe_write_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
3720 1.7.2.2 jdolecek checksum);
3721 1.7.2.2 jdolecek if (status)
3722 1.7.2.2 jdolecek return status;
3723 1.7.2.2 jdolecek
3724 1.7.2.2 jdolecek status = ixgbe_update_flash_X550(hw);
3725 1.7.2.2 jdolecek
3726 1.7.2.2 jdolecek return status;
3727 1.7.2.2 jdolecek }
3728 1.7.2.2 jdolecek
3729 1.7.2.2 jdolecek /**
3730 1.7.2.2 jdolecek * ixgbe_update_flash_X550 - Instruct HW to copy EEPROM to Flash device
3731 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3732 1.7.2.2 jdolecek *
3733 1.7.2.2 jdolecek * Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash.
3734 1.7.2.2 jdolecek **/
3735 1.7.2.2 jdolecek s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
3736 1.7.2.2 jdolecek {
3737 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
3738 1.7.2.2 jdolecek union ixgbe_hic_hdr2 buffer;
3739 1.7.2.2 jdolecek
3740 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_update_flash_X550");
3741 1.7.2.2 jdolecek
3742 1.7.2.2 jdolecek buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD;
3743 1.7.2.2 jdolecek buffer.req.buf_lenh = 0;
3744 1.7.2.2 jdolecek buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN;
3745 1.7.2.2 jdolecek buffer.req.checksum = FW_DEFAULT_CHECKSUM;
3746 1.7.2.2 jdolecek
3747 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
3748 1.7.2.2 jdolecek sizeof(buffer),
3749 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT, FALSE);
3750 1.7.2.2 jdolecek
3751 1.7.2.2 jdolecek return status;
3752 1.7.2.2 jdolecek }
3753 1.7.2.2 jdolecek
3754 1.7.2.2 jdolecek /**
3755 1.7.2.2 jdolecek * ixgbe_get_supported_physical_layer_X550em - Returns physical layer type
3756 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3757 1.7.2.2 jdolecek *
3758 1.7.2.2 jdolecek * Determines physical layer capabilities of the current configuration.
3759 1.7.2.2 jdolecek **/
3760 1.7.2.2 jdolecek u64 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
3761 1.7.2.2 jdolecek {
3762 1.7.2.2 jdolecek u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
3763 1.7.2.2 jdolecek u16 ext_ability = 0;
3764 1.7.2.2 jdolecek
3765 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_get_supported_physical_layer_X550em");
3766 1.7.2.2 jdolecek
3767 1.7.2.2 jdolecek hw->phy.ops.identify(hw);
3768 1.7.2.2 jdolecek
3769 1.7.2.2 jdolecek switch (hw->phy.type) {
3770 1.7.2.2 jdolecek case ixgbe_phy_x550em_kr:
3771 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_a) {
3772 1.7.2.2 jdolecek if (hw->phy.nw_mng_if_sel &
3773 1.7.2.2 jdolecek IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
3774 1.7.2.2 jdolecek physical_layer =
3775 1.7.2.2 jdolecek IXGBE_PHYSICAL_LAYER_2500BASE_KX;
3776 1.7.2.2 jdolecek break;
3777 1.7.2.2 jdolecek } else if (hw->device_id ==
3778 1.7.2.2 jdolecek IXGBE_DEV_ID_X550EM_A_KR_L) {
3779 1.7.2.2 jdolecek physical_layer =
3780 1.7.2.2 jdolecek IXGBE_PHYSICAL_LAYER_1000BASE_KX;
3781 1.7.2.2 jdolecek break;
3782 1.7.2.2 jdolecek }
3783 1.7.2.2 jdolecek }
3784 1.7.2.2 jdolecek /* fall through */
3785 1.7.2.2 jdolecek case ixgbe_phy_x550em_xfi:
3786 1.7.2.2 jdolecek physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR |
3787 1.7.2.2 jdolecek IXGBE_PHYSICAL_LAYER_1000BASE_KX;
3788 1.7.2.2 jdolecek break;
3789 1.7.2.2 jdolecek case ixgbe_phy_x550em_kx4:
3790 1.7.2.2 jdolecek physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
3791 1.7.2.2 jdolecek IXGBE_PHYSICAL_LAYER_1000BASE_KX;
3792 1.7.2.2 jdolecek break;
3793 1.7.2.2 jdolecek case ixgbe_phy_x550em_ext_t:
3794 1.7.2.2 jdolecek hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_EXT_ABILITY,
3795 1.7.2.2 jdolecek IXGBE_MDIO_PMA_PMD_DEV_TYPE,
3796 1.7.2.2 jdolecek &ext_ability);
3797 1.7.2.2 jdolecek if (ext_ability & IXGBE_MDIO_PHY_10GBASET_ABILITY)
3798 1.7.2.2 jdolecek physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
3799 1.7.2.2 jdolecek if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
3800 1.7.2.2 jdolecek physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
3801 1.7.2.2 jdolecek break;
3802 1.7.2.2 jdolecek case ixgbe_phy_fw:
3803 1.7.2.2 jdolecek if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_1GB_FULL)
3804 1.7.2.2 jdolecek physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
3805 1.7.2.2 jdolecek if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_100_FULL)
3806 1.7.2.2 jdolecek physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
3807 1.7.2.2 jdolecek if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_10_FULL)
3808 1.7.2.2 jdolecek physical_layer |= IXGBE_PHYSICAL_LAYER_10BASE_T;
3809 1.7.2.2 jdolecek break;
3810 1.7.2.2 jdolecek case ixgbe_phy_sgmii:
3811 1.7.2.2 jdolecek physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
3812 1.7.2.2 jdolecek break;
3813 1.7.2.2 jdolecek case ixgbe_phy_ext_1g_t:
3814 1.7.2.2 jdolecek physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_T;
3815 1.7.2.2 jdolecek break;
3816 1.7.2.2 jdolecek default:
3817 1.7.2.2 jdolecek break;
3818 1.7.2.2 jdolecek }
3819 1.7.2.2 jdolecek
3820 1.7.2.2 jdolecek if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber)
3821 1.7.2.2 jdolecek physical_layer = ixgbe_get_supported_phy_sfp_layer_generic(hw);
3822 1.7.2.2 jdolecek
3823 1.7.2.2 jdolecek return physical_layer;
3824 1.7.2.2 jdolecek }
3825 1.7.2.2 jdolecek
3826 1.7.2.2 jdolecek /**
3827 1.7.2.2 jdolecek * ixgbe_get_bus_info_x550em - Set PCI bus info
3828 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3829 1.7.2.2 jdolecek *
3830 1.7.2.2 jdolecek * Sets bus link width and speed to unknown because X550em is
3831 1.7.2.2 jdolecek * not a PCI device.
3832 1.7.2.2 jdolecek **/
3833 1.7.2.2 jdolecek s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw)
3834 1.7.2.2 jdolecek {
3835 1.7.2.2 jdolecek
3836 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_get_bus_info_x550em");
3837 1.7.2.2 jdolecek
3838 1.7.2.2 jdolecek hw->bus.width = ixgbe_bus_width_unknown;
3839 1.7.2.2 jdolecek hw->bus.speed = ixgbe_bus_speed_unknown;
3840 1.7.2.2 jdolecek
3841 1.7.2.2 jdolecek hw->mac.ops.set_lan_id(hw);
3842 1.7.2.2 jdolecek
3843 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3844 1.7.2.2 jdolecek }
3845 1.7.2.2 jdolecek
3846 1.7.2.2 jdolecek /**
3847 1.7.2.2 jdolecek * ixgbe_disable_rx_x550 - Disable RX unit
3848 1.7.2.2 jdolecek *
3849 1.7.2.2 jdolecek * Enables the Rx DMA unit for x550
3850 1.7.2.2 jdolecek **/
3851 1.7.2.2 jdolecek void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
3852 1.7.2.2 jdolecek {
3853 1.7.2.2 jdolecek u32 rxctrl, pfdtxgswc;
3854 1.7.2.2 jdolecek s32 status;
3855 1.7.2.2 jdolecek struct ixgbe_hic_disable_rxen fw_cmd;
3856 1.7.2.2 jdolecek
3857 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_disable_rx_dma_x550");
3858 1.7.2.2 jdolecek
3859 1.7.2.2 jdolecek rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
3860 1.7.2.2 jdolecek if (rxctrl & IXGBE_RXCTRL_RXEN) {
3861 1.7.2.2 jdolecek pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
3862 1.7.2.2 jdolecek if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) {
3863 1.7.2.2 jdolecek pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN;
3864 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
3865 1.7.2.2 jdolecek hw->mac.set_lben = TRUE;
3866 1.7.2.2 jdolecek } else {
3867 1.7.2.2 jdolecek hw->mac.set_lben = FALSE;
3868 1.7.2.2 jdolecek }
3869 1.7.2.2 jdolecek
3870 1.7.2.2 jdolecek fw_cmd.hdr.cmd = FW_DISABLE_RXEN_CMD;
3871 1.7.2.2 jdolecek fw_cmd.hdr.buf_len = FW_DISABLE_RXEN_LEN;
3872 1.7.2.2 jdolecek fw_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
3873 1.7.2.2 jdolecek fw_cmd.port_number = (u8)hw->bus.lan_id;
3874 1.7.2.2 jdolecek
3875 1.7.2.2 jdolecek status = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
3876 1.7.2.2 jdolecek sizeof(struct ixgbe_hic_disable_rxen),
3877 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT, TRUE);
3878 1.7.2.2 jdolecek
3879 1.7.2.2 jdolecek /* If we fail - disable RX using register write */
3880 1.7.2.2 jdolecek if (status) {
3881 1.7.2.2 jdolecek rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
3882 1.7.2.2 jdolecek if (rxctrl & IXGBE_RXCTRL_RXEN) {
3883 1.7.2.2 jdolecek rxctrl &= ~IXGBE_RXCTRL_RXEN;
3884 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
3885 1.7.2.2 jdolecek }
3886 1.7.2.2 jdolecek }
3887 1.7.2.2 jdolecek }
3888 1.7.2.2 jdolecek }
3889 1.7.2.2 jdolecek
3890 1.7.2.2 jdolecek /**
3891 1.7.2.2 jdolecek * ixgbe_enter_lplu_x550em - Transition to low power states
3892 1.7.2.2 jdolecek * @hw: pointer to hardware structure
3893 1.7.2.2 jdolecek *
3894 1.7.2.2 jdolecek * Configures Low Power Link Up on transition to low power states
3895 1.7.2.2 jdolecek * (from D0 to non-D0). Link is required to enter LPLU so avoid resetting the
3896 1.7.2.2 jdolecek * X557 PHY immediately prior to entering LPLU.
3897 1.7.2.2 jdolecek **/
3898 1.7.2.2 jdolecek s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
3899 1.7.2.2 jdolecek {
3900 1.7.2.2 jdolecek u16 an_10g_cntl_reg, autoneg_reg, speed;
3901 1.7.2.2 jdolecek s32 status;
3902 1.7.2.2 jdolecek ixgbe_link_speed lcd_speed;
3903 1.7.2.2 jdolecek u32 save_autoneg;
3904 1.7.2.2 jdolecek bool link_up;
3905 1.7.2.2 jdolecek
3906 1.7.2.2 jdolecek /* SW LPLU not required on later HW revisions. */
3907 1.7.2.2 jdolecek if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
3908 1.7.2.2 jdolecek (IXGBE_FUSES0_REV_MASK &
3909 1.7.2.2 jdolecek IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
3910 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3911 1.7.2.2 jdolecek
3912 1.7.2.2 jdolecek /* If blocked by MNG FW, then don't restart AN */
3913 1.7.2.2 jdolecek if (ixgbe_check_reset_blocked(hw))
3914 1.7.2.2 jdolecek return IXGBE_SUCCESS;
3915 1.7.2.2 jdolecek
3916 1.7.2.2 jdolecek status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
3917 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3918 1.7.2.2 jdolecek return status;
3919 1.7.2.2 jdolecek
3920 1.7.2.2 jdolecek status = ixgbe_read_eeprom(hw, NVM_INIT_CTRL_3, &hw->eeprom.ctrl_word_3);
3921 1.7.2.2 jdolecek
3922 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3923 1.7.2.2 jdolecek return status;
3924 1.7.2.2 jdolecek
3925 1.7.2.2 jdolecek /* If link is down, LPLU disabled in NVM, WoL disabled, or manageability
3926 1.7.2.2 jdolecek * disabled, then force link down by entering low power mode.
3927 1.7.2.2 jdolecek */
3928 1.7.2.2 jdolecek if (!link_up || !(hw->eeprom.ctrl_word_3 & NVM_INIT_CTRL_3_LPLU) ||
3929 1.7.2.2 jdolecek !(hw->wol_enabled || ixgbe_mng_present(hw)))
3930 1.7.2.2 jdolecek return ixgbe_set_copper_phy_power(hw, FALSE);
3931 1.7.2.2 jdolecek
3932 1.7.2.2 jdolecek /* Determine LCD */
3933 1.7.2.2 jdolecek status = ixgbe_get_lcd_t_x550em(hw, &lcd_speed);
3934 1.7.2.2 jdolecek
3935 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3936 1.7.2.2 jdolecek return status;
3937 1.7.2.2 jdolecek
3938 1.7.2.2 jdolecek /* If no valid LCD link speed, then force link down and exit. */
3939 1.7.2.2 jdolecek if (lcd_speed == IXGBE_LINK_SPEED_UNKNOWN)
3940 1.7.2.2 jdolecek return ixgbe_set_copper_phy_power(hw, FALSE);
3941 1.7.2.2 jdolecek
3942 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
3943 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3944 1.7.2.2 jdolecek &speed);
3945 1.7.2.2 jdolecek
3946 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3947 1.7.2.2 jdolecek return status;
3948 1.7.2.2 jdolecek
3949 1.7.2.2 jdolecek /* If no link now, speed is invalid so take link down */
3950 1.7.2.2 jdolecek status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
3951 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3952 1.7.2.2 jdolecek return ixgbe_set_copper_phy_power(hw, FALSE);
3953 1.7.2.2 jdolecek
3954 1.7.2.2 jdolecek /* clear everything but the speed bits */
3955 1.7.2.2 jdolecek speed &= IXGBE_MDIO_AUTO_NEG_VEN_STAT_SPEED_MASK;
3956 1.7.2.2 jdolecek
3957 1.7.2.2 jdolecek /* If current speed is already LCD, then exit. */
3958 1.7.2.2 jdolecek if (((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB) &&
3959 1.7.2.2 jdolecek (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) ||
3960 1.7.2.2 jdolecek ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) &&
3961 1.7.2.2 jdolecek (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL)))
3962 1.7.2.2 jdolecek return status;
3963 1.7.2.2 jdolecek
3964 1.7.2.2 jdolecek /* Clear AN completed indication */
3965 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
3966 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3967 1.7.2.2 jdolecek &autoneg_reg);
3968 1.7.2.2 jdolecek
3969 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3970 1.7.2.2 jdolecek return status;
3971 1.7.2.2 jdolecek
3972 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
3973 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3974 1.7.2.2 jdolecek &an_10g_cntl_reg);
3975 1.7.2.2 jdolecek
3976 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3977 1.7.2.2 jdolecek return status;
3978 1.7.2.2 jdolecek
3979 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw,
3980 1.7.2.2 jdolecek IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
3981 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
3982 1.7.2.2 jdolecek &autoneg_reg);
3983 1.7.2.2 jdolecek
3984 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
3985 1.7.2.2 jdolecek return status;
3986 1.7.2.2 jdolecek
3987 1.7.2.2 jdolecek save_autoneg = hw->phy.autoneg_advertised;
3988 1.7.2.2 jdolecek
3989 1.7.2.2 jdolecek /* Setup link at least common link speed */
3990 1.7.2.2 jdolecek status = hw->mac.ops.setup_link(hw, lcd_speed, FALSE);
3991 1.7.2.2 jdolecek
3992 1.7.2.2 jdolecek /* restore autoneg from before setting lplu speed */
3993 1.7.2.2 jdolecek hw->phy.autoneg_advertised = save_autoneg;
3994 1.7.2.2 jdolecek
3995 1.7.2.2 jdolecek return status;
3996 1.7.2.2 jdolecek }
3997 1.7.2.2 jdolecek
3998 1.7.2.2 jdolecek /**
3999 1.7.2.2 jdolecek * ixgbe_get_lcd_x550em - Determine lowest common denominator
4000 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4001 1.7.2.2 jdolecek * @lcd_speed: pointer to lowest common link speed
4002 1.7.2.2 jdolecek *
4003 1.7.2.2 jdolecek * Determine lowest common link speed with link partner.
4004 1.7.2.2 jdolecek **/
4005 1.7.2.2 jdolecek s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *lcd_speed)
4006 1.7.2.2 jdolecek {
4007 1.7.2.2 jdolecek u16 an_lp_status;
4008 1.7.2.2 jdolecek s32 status;
4009 1.7.2.2 jdolecek u16 word = hw->eeprom.ctrl_word_3;
4010 1.7.2.2 jdolecek
4011 1.7.2.2 jdolecek *lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
4012 1.7.2.2 jdolecek
4013 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
4014 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
4015 1.7.2.2 jdolecek &an_lp_status);
4016 1.7.2.2 jdolecek
4017 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
4018 1.7.2.2 jdolecek return status;
4019 1.7.2.2 jdolecek
4020 1.7.2.2 jdolecek /* If link partner advertised 1G, return 1G */
4021 1.7.2.2 jdolecek if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
4022 1.7.2.2 jdolecek *lcd_speed = IXGBE_LINK_SPEED_1GB_FULL;
4023 1.7.2.2 jdolecek return status;
4024 1.7.2.2 jdolecek }
4025 1.7.2.2 jdolecek
4026 1.7.2.2 jdolecek /* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
4027 1.7.2.2 jdolecek if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
4028 1.7.2.2 jdolecek (word & NVM_INIT_CTRL_3_D10GMP_PORT0))
4029 1.7.2.2 jdolecek return status;
4030 1.7.2.2 jdolecek
4031 1.7.2.2 jdolecek /* Link partner not capable of lower speeds, return 10G */
4032 1.7.2.2 jdolecek *lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
4033 1.7.2.2 jdolecek return status;
4034 1.7.2.2 jdolecek }
4035 1.7.2.2 jdolecek
4036 1.7.2.2 jdolecek /**
4037 1.7.2.2 jdolecek * ixgbe_setup_fc_X550em - Set up flow control
4038 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4039 1.7.2.2 jdolecek *
4040 1.7.2.2 jdolecek * Called at init time to set up flow control.
4041 1.7.2.2 jdolecek **/
4042 1.7.2.2 jdolecek s32 ixgbe_setup_fc_X550em(struct ixgbe_hw *hw)
4043 1.7.2.2 jdolecek {
4044 1.7.2.2 jdolecek s32 ret_val = IXGBE_SUCCESS;
4045 1.7.2.2 jdolecek u32 pause, asm_dir, reg_val;
4046 1.7.2.2 jdolecek
4047 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_setup_fc_X550em");
4048 1.7.2.2 jdolecek
4049 1.7.2.2 jdolecek /* Validate the requested mode */
4050 1.7.2.2 jdolecek if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
4051 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
4052 1.7.2.2 jdolecek "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
4053 1.7.2.2 jdolecek ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
4054 1.7.2.2 jdolecek goto out;
4055 1.7.2.2 jdolecek }
4056 1.7.2.2 jdolecek
4057 1.7.2.2 jdolecek /* 10gig parts do not have a word in the EEPROM to determine the
4058 1.7.2.2 jdolecek * default flow control setting, so we explicitly set it to full.
4059 1.7.2.2 jdolecek */
4060 1.7.2.2 jdolecek if (hw->fc.requested_mode == ixgbe_fc_default)
4061 1.7.2.2 jdolecek hw->fc.requested_mode = ixgbe_fc_full;
4062 1.7.2.2 jdolecek
4063 1.7.2.2 jdolecek /* Determine PAUSE and ASM_DIR bits. */
4064 1.7.2.2 jdolecek switch (hw->fc.requested_mode) {
4065 1.7.2.2 jdolecek case ixgbe_fc_none:
4066 1.7.2.2 jdolecek pause = 0;
4067 1.7.2.2 jdolecek asm_dir = 0;
4068 1.7.2.2 jdolecek break;
4069 1.7.2.2 jdolecek case ixgbe_fc_tx_pause:
4070 1.7.2.2 jdolecek pause = 0;
4071 1.7.2.2 jdolecek asm_dir = 1;
4072 1.7.2.2 jdolecek break;
4073 1.7.2.2 jdolecek case ixgbe_fc_rx_pause:
4074 1.7.2.2 jdolecek /* Rx Flow control is enabled and Tx Flow control is
4075 1.7.2.2 jdolecek * disabled by software override. Since there really
4076 1.7.2.2 jdolecek * isn't a way to advertise that we are capable of RX
4077 1.7.2.2 jdolecek * Pause ONLY, we will advertise that we support both
4078 1.7.2.2 jdolecek * symmetric and asymmetric Rx PAUSE, as such we fall
4079 1.7.2.2 jdolecek * through to the fc_full statement. Later, we will
4080 1.7.2.2 jdolecek * disable the adapter's ability to send PAUSE frames.
4081 1.7.2.2 jdolecek */
4082 1.7.2.2 jdolecek case ixgbe_fc_full:
4083 1.7.2.2 jdolecek pause = 1;
4084 1.7.2.2 jdolecek asm_dir = 1;
4085 1.7.2.2 jdolecek break;
4086 1.7.2.2 jdolecek default:
4087 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
4088 1.7.2.2 jdolecek "Flow control param set incorrectly\n");
4089 1.7.2.2 jdolecek ret_val = IXGBE_ERR_CONFIG;
4090 1.7.2.2 jdolecek goto out;
4091 1.7.2.2 jdolecek }
4092 1.7.2.2 jdolecek
4093 1.7.2.2 jdolecek switch (hw->device_id) {
4094 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_KR:
4095 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR:
4096 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_A_KR_L:
4097 1.7.2.2 jdolecek ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
4098 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
4099 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
4100 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
4101 1.7.2.2 jdolecek goto out;
4102 1.7.2.2 jdolecek reg_val &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
4103 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
4104 1.7.2.2 jdolecek if (pause)
4105 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
4106 1.7.2.2 jdolecek if (asm_dir)
4107 1.7.2.2 jdolecek reg_val |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
4108 1.7.2.2 jdolecek ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
4109 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
4110 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
4111 1.7.2.2 jdolecek
4112 1.7.2.2 jdolecek /* This device does not fully support AN. */
4113 1.7.2.2 jdolecek hw->fc.disable_fc_autoneg = TRUE;
4114 1.7.2.2 jdolecek break;
4115 1.7.2.2 jdolecek case IXGBE_DEV_ID_X550EM_X_XFI:
4116 1.7.2.2 jdolecek hw->fc.disable_fc_autoneg = TRUE;
4117 1.7.2.2 jdolecek break;
4118 1.7.2.2 jdolecek default:
4119 1.7.2.2 jdolecek break;
4120 1.7.2.2 jdolecek }
4121 1.7.2.2 jdolecek
4122 1.7.2.2 jdolecek out:
4123 1.7.2.2 jdolecek return ret_val;
4124 1.7.2.2 jdolecek }
4125 1.7.2.2 jdolecek
4126 1.7.2.2 jdolecek /**
4127 1.7.2.2 jdolecek * ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37
4128 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4129 1.7.2.2 jdolecek *
4130 1.7.2.2 jdolecek * Enable flow control according to IEEE clause 37.
4131 1.7.2.2 jdolecek **/
4132 1.7.2.2 jdolecek void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
4133 1.7.2.2 jdolecek {
4134 1.7.2.2 jdolecek u32 link_s1, lp_an_page_low, an_cntl_1;
4135 1.7.2.2 jdolecek s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
4136 1.7.2.2 jdolecek ixgbe_link_speed speed;
4137 1.7.2.2 jdolecek bool link_up;
4138 1.7.2.2 jdolecek
4139 1.7.2.2 jdolecek /* AN should have completed when the cable was plugged in.
4140 1.7.2.2 jdolecek * Look for reasons to bail out. Bail out if:
4141 1.7.2.2 jdolecek * - FC autoneg is disabled, or if
4142 1.7.2.2 jdolecek * - link is not up.
4143 1.7.2.2 jdolecek */
4144 1.7.2.2 jdolecek if (hw->fc.disable_fc_autoneg) {
4145 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
4146 1.7.2.2 jdolecek "Flow control autoneg is disabled");
4147 1.7.2.2 jdolecek goto out;
4148 1.7.2.2 jdolecek }
4149 1.7.2.2 jdolecek
4150 1.7.2.2 jdolecek hw->mac.ops.check_link(hw, &speed, &link_up, FALSE);
4151 1.7.2.2 jdolecek if (!link_up) {
4152 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
4153 1.7.2.2 jdolecek goto out;
4154 1.7.2.2 jdolecek }
4155 1.7.2.2 jdolecek
4156 1.7.2.2 jdolecek /* Check at auto-negotiation has completed */
4157 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
4158 1.7.2.2 jdolecek IXGBE_KRM_LINK_S1(hw->bus.lan_id),
4159 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1);
4160 1.7.2.2 jdolecek
4161 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
4162 1.7.2.2 jdolecek (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
4163 1.7.2.2 jdolecek DEBUGOUT("Auto-Negotiation did not complete\n");
4164 1.7.2.2 jdolecek status = IXGBE_ERR_FC_NOT_NEGOTIATED;
4165 1.7.2.2 jdolecek goto out;
4166 1.7.2.2 jdolecek }
4167 1.7.2.2 jdolecek
4168 1.7.2.2 jdolecek /* Read the 10g AN autoc and LP ability registers and resolve
4169 1.7.2.2 jdolecek * local flow control settings accordingly
4170 1.7.2.2 jdolecek */
4171 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
4172 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
4173 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl_1);
4174 1.7.2.2 jdolecek
4175 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
4176 1.7.2.2 jdolecek DEBUGOUT("Auto-Negotiation did not complete\n");
4177 1.7.2.2 jdolecek goto out;
4178 1.7.2.2 jdolecek }
4179 1.7.2.2 jdolecek
4180 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
4181 1.7.2.2 jdolecek IXGBE_KRM_LP_BASE_PAGE_HIGH(hw->bus.lan_id),
4182 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &lp_an_page_low);
4183 1.7.2.2 jdolecek
4184 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
4185 1.7.2.2 jdolecek DEBUGOUT("Auto-Negotiation did not complete\n");
4186 1.7.2.2 jdolecek goto out;
4187 1.7.2.2 jdolecek }
4188 1.7.2.2 jdolecek
4189 1.7.2.2 jdolecek status = ixgbe_negotiate_fc(hw, an_cntl_1, lp_an_page_low,
4190 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1_SYM_PAUSE,
4191 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1_ASM_PAUSE,
4192 1.7.2.2 jdolecek IXGBE_KRM_LP_BASE_PAGE_HIGH_SYM_PAUSE,
4193 1.7.2.2 jdolecek IXGBE_KRM_LP_BASE_PAGE_HIGH_ASM_PAUSE);
4194 1.7.2.2 jdolecek
4195 1.7.2.2 jdolecek out:
4196 1.7.2.2 jdolecek if (status == IXGBE_SUCCESS) {
4197 1.7.2.2 jdolecek hw->fc.fc_was_autonegged = TRUE;
4198 1.7.2.2 jdolecek } else {
4199 1.7.2.2 jdolecek hw->fc.fc_was_autonegged = FALSE;
4200 1.7.2.2 jdolecek hw->fc.current_mode = hw->fc.requested_mode;
4201 1.7.2.2 jdolecek }
4202 1.7.2.2 jdolecek }
4203 1.7.2.2 jdolecek
4204 1.7.2.2 jdolecek /**
4205 1.7.2.2 jdolecek * ixgbe_fc_autoneg_fiber_x550em_a - passthrough FC settings
4206 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4207 1.7.2.2 jdolecek *
4208 1.7.2.2 jdolecek **/
4209 1.7.2.2 jdolecek void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw)
4210 1.7.2.2 jdolecek {
4211 1.7.2.2 jdolecek hw->fc.fc_was_autonegged = FALSE;
4212 1.7.2.2 jdolecek hw->fc.current_mode = hw->fc.requested_mode;
4213 1.7.2.2 jdolecek }
4214 1.7.2.2 jdolecek
4215 1.7.2.2 jdolecek /**
4216 1.7.2.2 jdolecek * ixgbe_fc_autoneg_sgmii_x550em_a - Enable flow control IEEE clause 37
4217 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4218 1.7.2.2 jdolecek *
4219 1.7.2.2 jdolecek * Enable flow control according to IEEE clause 37.
4220 1.7.2.2 jdolecek **/
4221 1.7.2.2 jdolecek void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
4222 1.7.2.2 jdolecek {
4223 1.7.2.2 jdolecek s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
4224 1.7.2.2 jdolecek u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
4225 1.7.2.2 jdolecek ixgbe_link_speed speed;
4226 1.7.2.2 jdolecek bool link_up;
4227 1.7.2.2 jdolecek
4228 1.7.2.2 jdolecek /* AN should have completed when the cable was plugged in.
4229 1.7.2.2 jdolecek * Look for reasons to bail out. Bail out if:
4230 1.7.2.2 jdolecek * - FC autoneg is disabled, or if
4231 1.7.2.2 jdolecek * - link is not up.
4232 1.7.2.2 jdolecek */
4233 1.7.2.2 jdolecek if (hw->fc.disable_fc_autoneg) {
4234 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
4235 1.7.2.2 jdolecek "Flow control autoneg is disabled");
4236 1.7.2.2 jdolecek goto out;
4237 1.7.2.2 jdolecek }
4238 1.7.2.2 jdolecek
4239 1.7.2.2 jdolecek hw->mac.ops.check_link(hw, &speed, &link_up, FALSE);
4240 1.7.2.2 jdolecek if (!link_up) {
4241 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
4242 1.7.2.2 jdolecek goto out;
4243 1.7.2.2 jdolecek }
4244 1.7.2.2 jdolecek
4245 1.7.2.2 jdolecek /* Check if auto-negotiation has completed */
4246 1.7.2.2 jdolecek status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
4247 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS ||
4248 1.7.2.2 jdolecek !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
4249 1.7.2.2 jdolecek DEBUGOUT("Auto-Negotiation did not complete\n");
4250 1.7.2.2 jdolecek status = IXGBE_ERR_FC_NOT_NEGOTIATED;
4251 1.7.2.2 jdolecek goto out;
4252 1.7.2.2 jdolecek }
4253 1.7.2.2 jdolecek
4254 1.7.2.2 jdolecek /* Negotiate the flow control */
4255 1.7.2.2 jdolecek status = ixgbe_negotiate_fc(hw, info[0], info[0],
4256 1.7.2.2 jdolecek FW_PHY_ACT_GET_LINK_INFO_FC_RX,
4257 1.7.2.2 jdolecek FW_PHY_ACT_GET_LINK_INFO_FC_TX,
4258 1.7.2.2 jdolecek FW_PHY_ACT_GET_LINK_INFO_LP_FC_RX,
4259 1.7.2.2 jdolecek FW_PHY_ACT_GET_LINK_INFO_LP_FC_TX);
4260 1.7.2.2 jdolecek
4261 1.7.2.2 jdolecek out:
4262 1.7.2.2 jdolecek if (status == IXGBE_SUCCESS) {
4263 1.7.2.2 jdolecek hw->fc.fc_was_autonegged = TRUE;
4264 1.7.2.2 jdolecek } else {
4265 1.7.2.2 jdolecek hw->fc.fc_was_autonegged = FALSE;
4266 1.7.2.2 jdolecek hw->fc.current_mode = hw->fc.requested_mode;
4267 1.7.2.2 jdolecek }
4268 1.7.2.2 jdolecek }
4269 1.7.2.2 jdolecek
4270 1.7.2.2 jdolecek /**
4271 1.7.2.2 jdolecek * ixgbe_setup_fc_backplane_x550em_a - Set up flow control
4272 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4273 1.7.2.2 jdolecek *
4274 1.7.2.2 jdolecek * Called at init time to set up flow control.
4275 1.7.2.2 jdolecek **/
4276 1.7.2.2 jdolecek s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
4277 1.7.2.2 jdolecek {
4278 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
4279 1.7.2.2 jdolecek u32 an_cntl = 0;
4280 1.7.2.2 jdolecek
4281 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
4282 1.7.2.2 jdolecek
4283 1.7.2.2 jdolecek /* Validate the requested mode */
4284 1.7.2.2 jdolecek if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
4285 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
4286 1.7.2.2 jdolecek "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
4287 1.7.2.2 jdolecek return IXGBE_ERR_INVALID_LINK_SETTINGS;
4288 1.7.2.2 jdolecek }
4289 1.7.2.2 jdolecek
4290 1.7.2.2 jdolecek if (hw->fc.requested_mode == ixgbe_fc_default)
4291 1.7.2.2 jdolecek hw->fc.requested_mode = ixgbe_fc_full;
4292 1.7.2.2 jdolecek
4293 1.7.2.2 jdolecek /* Set up the 1G and 10G flow control advertisement registers so the
4294 1.7.2.2 jdolecek * HW will be able to do FC autoneg once the cable is plugged in. If
4295 1.7.2.2 jdolecek * we link at 10G, the 1G advertisement is harmless and vice versa.
4296 1.7.2.2 jdolecek */
4297 1.7.2.2 jdolecek status = hw->mac.ops.read_iosf_sb_reg(hw,
4298 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
4299 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl);
4300 1.7.2.2 jdolecek
4301 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS) {
4302 1.7.2.2 jdolecek DEBUGOUT("Auto-Negotiation did not complete\n");
4303 1.7.2.2 jdolecek return status;
4304 1.7.2.2 jdolecek }
4305 1.7.2.2 jdolecek
4306 1.7.2.2 jdolecek /* The possible values of fc.requested_mode are:
4307 1.7.2.2 jdolecek * 0: Flow control is completely disabled
4308 1.7.2.2 jdolecek * 1: Rx flow control is enabled (we can receive pause frames,
4309 1.7.2.2 jdolecek * but not send pause frames).
4310 1.7.2.2 jdolecek * 2: Tx flow control is enabled (we can send pause frames but
4311 1.7.2.2 jdolecek * we do not support receiving pause frames).
4312 1.7.2.2 jdolecek * 3: Both Rx and Tx flow control (symmetric) are enabled.
4313 1.7.2.2 jdolecek * other: Invalid.
4314 1.7.2.2 jdolecek */
4315 1.7.2.2 jdolecek switch (hw->fc.requested_mode) {
4316 1.7.2.2 jdolecek case ixgbe_fc_none:
4317 1.7.2.2 jdolecek /* Flow control completely disabled by software override. */
4318 1.7.2.2 jdolecek an_cntl &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
4319 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
4320 1.7.2.2 jdolecek break;
4321 1.7.2.2 jdolecek case ixgbe_fc_tx_pause:
4322 1.7.2.2 jdolecek /* Tx Flow control is enabled, and Rx Flow control is
4323 1.7.2.2 jdolecek * disabled by software override.
4324 1.7.2.2 jdolecek */
4325 1.7.2.2 jdolecek an_cntl |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
4326 1.7.2.2 jdolecek an_cntl &= ~IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
4327 1.7.2.2 jdolecek break;
4328 1.7.2.2 jdolecek case ixgbe_fc_rx_pause:
4329 1.7.2.2 jdolecek /* Rx Flow control is enabled and Tx Flow control is
4330 1.7.2.2 jdolecek * disabled by software override. Since there really
4331 1.7.2.2 jdolecek * isn't a way to advertise that we are capable of RX
4332 1.7.2.2 jdolecek * Pause ONLY, we will advertise that we support both
4333 1.7.2.2 jdolecek * symmetric and asymmetric Rx PAUSE, as such we fall
4334 1.7.2.2 jdolecek * through to the fc_full statement. Later, we will
4335 1.7.2.2 jdolecek * disable the adapter's ability to send PAUSE frames.
4336 1.7.2.2 jdolecek */
4337 1.7.2.2 jdolecek case ixgbe_fc_full:
4338 1.7.2.2 jdolecek /* Flow control (both Rx and Tx) is enabled by SW override. */
4339 1.7.2.2 jdolecek an_cntl |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
4340 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
4341 1.7.2.2 jdolecek break;
4342 1.7.2.2 jdolecek default:
4343 1.7.2.2 jdolecek ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
4344 1.7.2.2 jdolecek "Flow control param set incorrectly\n");
4345 1.7.2.2 jdolecek return IXGBE_ERR_CONFIG;
4346 1.7.2.2 jdolecek }
4347 1.7.2.2 jdolecek
4348 1.7.2.2 jdolecek status = hw->mac.ops.write_iosf_sb_reg(hw,
4349 1.7.2.2 jdolecek IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
4350 1.7.2.2 jdolecek IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl);
4351 1.7.2.2 jdolecek
4352 1.7.2.2 jdolecek /* Restart auto-negotiation. */
4353 1.7.2.2 jdolecek status = ixgbe_restart_an_internal_phy_x550em(hw);
4354 1.7.2.2 jdolecek
4355 1.7.2.2 jdolecek return status;
4356 1.7.2.2 jdolecek }
4357 1.7.2.2 jdolecek
4358 1.7.2.2 jdolecek /**
4359 1.7.2.2 jdolecek * ixgbe_set_mux - Set mux for port 1 access with CS4227
4360 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4361 1.7.2.2 jdolecek * @state: set mux if 1, clear if 0
4362 1.7.2.2 jdolecek */
4363 1.7.2.2 jdolecek static void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state)
4364 1.7.2.2 jdolecek {
4365 1.7.2.2 jdolecek u32 esdp;
4366 1.7.2.2 jdolecek
4367 1.7.2.2 jdolecek if (!hw->bus.lan_id)
4368 1.7.2.2 jdolecek return;
4369 1.7.2.2 jdolecek esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
4370 1.7.2.2 jdolecek if (state)
4371 1.7.2.2 jdolecek esdp |= IXGBE_ESDP_SDP1;
4372 1.7.2.2 jdolecek else
4373 1.7.2.2 jdolecek esdp &= ~IXGBE_ESDP_SDP1;
4374 1.7.2.2 jdolecek IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
4375 1.7.2.2 jdolecek IXGBE_WRITE_FLUSH(hw);
4376 1.7.2.2 jdolecek }
4377 1.7.2.2 jdolecek
4378 1.7.2.2 jdolecek /**
4379 1.7.2.2 jdolecek * ixgbe_acquire_swfw_sync_X550em - Acquire SWFW semaphore
4380 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4381 1.7.2.2 jdolecek * @mask: Mask to specify which semaphore to acquire
4382 1.7.2.2 jdolecek *
4383 1.7.2.2 jdolecek * Acquires the SWFW semaphore and sets the I2C MUX
4384 1.7.2.2 jdolecek **/
4385 1.7.2.2 jdolecek s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
4386 1.7.2.2 jdolecek {
4387 1.7.2.2 jdolecek s32 status;
4388 1.7.2.2 jdolecek
4389 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_acquire_swfw_sync_X550em");
4390 1.7.2.2 jdolecek
4391 1.7.2.2 jdolecek status = ixgbe_acquire_swfw_sync_X540(hw, mask);
4392 1.7.2.2 jdolecek if (status)
4393 1.7.2.2 jdolecek return status;
4394 1.7.2.2 jdolecek
4395 1.7.2.2 jdolecek if (mask & IXGBE_GSSR_I2C_MASK)
4396 1.7.2.2 jdolecek ixgbe_set_mux(hw, 1);
4397 1.7.2.2 jdolecek
4398 1.7.2.2 jdolecek return IXGBE_SUCCESS;
4399 1.7.2.2 jdolecek }
4400 1.7.2.2 jdolecek
4401 1.7.2.2 jdolecek /**
4402 1.7.2.2 jdolecek * ixgbe_release_swfw_sync_X550em - Release SWFW semaphore
4403 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4404 1.7.2.2 jdolecek * @mask: Mask to specify which semaphore to release
4405 1.7.2.2 jdolecek *
4406 1.7.2.2 jdolecek * Releases the SWFW semaphore and sets the I2C MUX
4407 1.7.2.2 jdolecek **/
4408 1.7.2.2 jdolecek void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
4409 1.7.2.2 jdolecek {
4410 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_release_swfw_sync_X550em");
4411 1.7.2.2 jdolecek
4412 1.7.2.2 jdolecek if (mask & IXGBE_GSSR_I2C_MASK)
4413 1.7.2.2 jdolecek ixgbe_set_mux(hw, 0);
4414 1.7.2.2 jdolecek
4415 1.7.2.2 jdolecek ixgbe_release_swfw_sync_X540(hw, mask);
4416 1.7.2.2 jdolecek }
4417 1.7.2.2 jdolecek
4418 1.7.2.2 jdolecek /**
4419 1.7.2.2 jdolecek * ixgbe_acquire_swfw_sync_X550a - Acquire SWFW semaphore
4420 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4421 1.7.2.2 jdolecek * @mask: Mask to specify which semaphore to acquire
4422 1.7.2.2 jdolecek *
4423 1.7.2.2 jdolecek * Acquires the SWFW semaphore and get the shared phy token as needed
4424 1.7.2.2 jdolecek */
4425 1.7.2.2 jdolecek static s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
4426 1.7.2.2 jdolecek {
4427 1.7.2.2 jdolecek u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
4428 1.7.2.2 jdolecek int retries = FW_PHY_TOKEN_RETRIES;
4429 1.7.2.2 jdolecek s32 status = IXGBE_SUCCESS;
4430 1.7.2.2 jdolecek
4431 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a");
4432 1.7.2.2 jdolecek
4433 1.7.2.2 jdolecek while (--retries) {
4434 1.7.2.2 jdolecek status = IXGBE_SUCCESS;
4435 1.7.2.2 jdolecek if (hmask)
4436 1.7.2.2 jdolecek status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
4437 1.7.2.2 jdolecek if (status) {
4438 1.7.2.2 jdolecek DEBUGOUT1("Could not acquire SWFW semaphore, Status = %d\n",
4439 1.7.2.2 jdolecek status);
4440 1.7.2.2 jdolecek return status;
4441 1.7.2.2 jdolecek }
4442 1.7.2.2 jdolecek if (!(mask & IXGBE_GSSR_TOKEN_SM))
4443 1.7.2.2 jdolecek return IXGBE_SUCCESS;
4444 1.7.2.2 jdolecek
4445 1.7.2.2 jdolecek status = ixgbe_get_phy_token(hw);
4446 1.7.2.2 jdolecek if (status == IXGBE_ERR_TOKEN_RETRY)
4447 1.7.2.2 jdolecek DEBUGOUT1("Could not acquire PHY token, Status = %d\n",
4448 1.7.2.2 jdolecek status);
4449 1.7.2.2 jdolecek
4450 1.7.2.2 jdolecek if (status == IXGBE_SUCCESS)
4451 1.7.2.2 jdolecek return IXGBE_SUCCESS;
4452 1.7.2.2 jdolecek
4453 1.7.2.2 jdolecek if (hmask)
4454 1.7.2.2 jdolecek ixgbe_release_swfw_sync_X540(hw, hmask);
4455 1.7.2.2 jdolecek
4456 1.7.2.2 jdolecek if (status != IXGBE_ERR_TOKEN_RETRY) {
4457 1.7.2.2 jdolecek DEBUGOUT1("Unable to retry acquiring the PHY token, Status = %d\n",
4458 1.7.2.2 jdolecek status);
4459 1.7.2.2 jdolecek return status;
4460 1.7.2.2 jdolecek }
4461 1.7.2.2 jdolecek }
4462 1.7.2.2 jdolecek
4463 1.7.2.2 jdolecek DEBUGOUT1("Semaphore acquisition retries failed!: PHY ID = 0x%08X\n",
4464 1.7.2.2 jdolecek hw->phy.id);
4465 1.7.2.2 jdolecek return status;
4466 1.7.2.2 jdolecek }
4467 1.7.2.2 jdolecek
4468 1.7.2.2 jdolecek /**
4469 1.7.2.2 jdolecek * ixgbe_release_swfw_sync_X550a - Release SWFW semaphore
4470 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4471 1.7.2.2 jdolecek * @mask: Mask to specify which semaphore to release
4472 1.7.2.2 jdolecek *
4473 1.7.2.2 jdolecek * Releases the SWFW semaphore and puts the shared phy token as needed
4474 1.7.2.2 jdolecek */
4475 1.7.2.2 jdolecek static void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
4476 1.7.2.2 jdolecek {
4477 1.7.2.2 jdolecek u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
4478 1.7.2.2 jdolecek
4479 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_release_swfw_sync_X550a");
4480 1.7.2.2 jdolecek
4481 1.7.2.2 jdolecek if (mask & IXGBE_GSSR_TOKEN_SM)
4482 1.7.2.2 jdolecek ixgbe_put_phy_token(hw);
4483 1.7.2.2 jdolecek
4484 1.7.2.2 jdolecek if (hmask)
4485 1.7.2.2 jdolecek ixgbe_release_swfw_sync_X540(hw, hmask);
4486 1.7.2.2 jdolecek }
4487 1.7.2.2 jdolecek
4488 1.7.2.2 jdolecek /**
4489 1.7.2.2 jdolecek * ixgbe_read_phy_reg_x550a - Reads specified PHY register
4490 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4491 1.7.2.2 jdolecek * @reg_addr: 32 bit address of PHY register to read
4492 1.7.2.2 jdolecek * @phy_data: Pointer to read data from PHY register
4493 1.7.2.2 jdolecek *
4494 1.7.2.2 jdolecek * Reads a value from a specified PHY register using the SWFW lock and PHY
4495 1.7.2.2 jdolecek * Token. The PHY Token is needed since the MDIO is shared between to MAC
4496 1.7.2.2 jdolecek * instances.
4497 1.7.2.2 jdolecek **/
4498 1.7.2.2 jdolecek s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
4499 1.7.2.2 jdolecek u32 device_type, u16 *phy_data)
4500 1.7.2.2 jdolecek {
4501 1.7.2.2 jdolecek s32 status;
4502 1.7.2.2 jdolecek u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
4503 1.7.2.2 jdolecek
4504 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_read_phy_reg_x550a");
4505 1.7.2.2 jdolecek
4506 1.7.2.2 jdolecek if (hw->mac.ops.acquire_swfw_sync(hw, mask))
4507 1.7.2.2 jdolecek return IXGBE_ERR_SWFW_SYNC;
4508 1.7.2.2 jdolecek
4509 1.7.2.2 jdolecek status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
4510 1.7.2.2 jdolecek
4511 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, mask);
4512 1.7.2.2 jdolecek
4513 1.7.2.2 jdolecek return status;
4514 1.7.2.2 jdolecek }
4515 1.7.2.2 jdolecek
4516 1.7.2.2 jdolecek /**
4517 1.7.2.2 jdolecek * ixgbe_write_phy_reg_x550a - Writes specified PHY register
4518 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4519 1.7.2.2 jdolecek * @reg_addr: 32 bit PHY register to write
4520 1.7.2.2 jdolecek * @device_type: 5 bit device type
4521 1.7.2.2 jdolecek * @phy_data: Data to write to the PHY register
4522 1.7.2.2 jdolecek *
4523 1.7.2.2 jdolecek * Writes a value to specified PHY register using the SWFW lock and PHY Token.
4524 1.7.2.2 jdolecek * The PHY Token is needed since the MDIO is shared between to MAC instances.
4525 1.7.2.2 jdolecek **/
4526 1.7.2.2 jdolecek s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
4527 1.7.2.2 jdolecek u32 device_type, u16 phy_data)
4528 1.7.2.2 jdolecek {
4529 1.7.2.2 jdolecek s32 status;
4530 1.7.2.2 jdolecek u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
4531 1.7.2.2 jdolecek
4532 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_write_phy_reg_x550a");
4533 1.7.2.2 jdolecek
4534 1.7.2.2 jdolecek if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) {
4535 1.7.2.2 jdolecek status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type,
4536 1.7.2.2 jdolecek phy_data);
4537 1.7.2.2 jdolecek hw->mac.ops.release_swfw_sync(hw, mask);
4538 1.7.2.2 jdolecek } else {
4539 1.7.2.2 jdolecek status = IXGBE_ERR_SWFW_SYNC;
4540 1.7.2.2 jdolecek }
4541 1.7.2.2 jdolecek
4542 1.7.2.2 jdolecek return status;
4543 1.7.2.2 jdolecek }
4544 1.7.2.2 jdolecek
4545 1.7.2.2 jdolecek /**
4546 1.7.2.2 jdolecek * ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
4547 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4548 1.7.2.2 jdolecek *
4549 1.7.2.2 jdolecek * Handle external Base T PHY interrupt. If high temperature
4550 1.7.2.2 jdolecek * failure alarm then return error, else if link status change
4551 1.7.2.2 jdolecek * then setup internal/external PHY link
4552 1.7.2.2 jdolecek *
4553 1.7.2.2 jdolecek * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
4554 1.7.2.2 jdolecek * failure alarm, else return PHY access status.
4555 1.7.2.2 jdolecek */
4556 1.7.2.2 jdolecek s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
4557 1.7.2.2 jdolecek {
4558 1.7.2.2 jdolecek bool lsc;
4559 1.7.2.2 jdolecek u32 status;
4560 1.7.2.2 jdolecek
4561 1.7.2.2 jdolecek status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
4562 1.7.2.2 jdolecek
4563 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
4564 1.7.2.2 jdolecek return status;
4565 1.7.2.2 jdolecek
4566 1.7.2.2 jdolecek if (lsc)
4567 1.7.2.2 jdolecek return ixgbe_setup_internal_phy(hw);
4568 1.7.2.2 jdolecek
4569 1.7.2.2 jdolecek return IXGBE_SUCCESS;
4570 1.7.2.2 jdolecek }
4571 1.7.2.2 jdolecek
4572 1.7.2.2 jdolecek /**
4573 1.7.2.2 jdolecek * ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
4574 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4575 1.7.2.2 jdolecek * @speed: new link speed
4576 1.7.2.2 jdolecek * @autoneg_wait_to_complete: TRUE when waiting for completion is needed
4577 1.7.2.2 jdolecek *
4578 1.7.2.2 jdolecek * Setup internal/external PHY link speed based on link speed, then set
4579 1.7.2.2 jdolecek * external PHY auto advertised link speed.
4580 1.7.2.2 jdolecek *
4581 1.7.2.2 jdolecek * Returns error status for any failure
4582 1.7.2.2 jdolecek **/
4583 1.7.2.2 jdolecek s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
4584 1.7.2.2 jdolecek ixgbe_link_speed speed,
4585 1.7.2.2 jdolecek bool autoneg_wait_to_complete)
4586 1.7.2.2 jdolecek {
4587 1.7.2.2 jdolecek s32 status;
4588 1.7.2.2 jdolecek ixgbe_link_speed force_speed;
4589 1.7.2.2 jdolecek
4590 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_setup_mac_link_t_X550em");
4591 1.7.2.2 jdolecek
4592 1.7.2.2 jdolecek /* Setup internal/external PHY link speed to iXFI (10G), unless
4593 1.7.2.2 jdolecek * only 1G is auto advertised then setup KX link.
4594 1.7.2.2 jdolecek */
4595 1.7.2.2 jdolecek if (speed & IXGBE_LINK_SPEED_10GB_FULL)
4596 1.7.2.2 jdolecek force_speed = IXGBE_LINK_SPEED_10GB_FULL;
4597 1.7.2.2 jdolecek else
4598 1.7.2.2 jdolecek force_speed = IXGBE_LINK_SPEED_1GB_FULL;
4599 1.7.2.2 jdolecek
4600 1.7.2.2 jdolecek /* If X552 and internal link mode is XFI, then setup XFI internal link.
4601 1.7.2.2 jdolecek */
4602 1.7.2.2 jdolecek if (hw->mac.type == ixgbe_mac_X550EM_x &&
4603 1.7.2.2 jdolecek !(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
4604 1.7.2.2 jdolecek status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
4605 1.7.2.2 jdolecek
4606 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
4607 1.7.2.2 jdolecek return status;
4608 1.7.2.2 jdolecek }
4609 1.7.2.2 jdolecek
4610 1.7.2.2 jdolecek return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait_to_complete);
4611 1.7.2.2 jdolecek }
4612 1.7.2.2 jdolecek
4613 1.7.2.2 jdolecek /**
4614 1.7.2.2 jdolecek * ixgbe_check_link_t_X550em - Determine link and speed status
4615 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4616 1.7.2.2 jdolecek * @speed: pointer to link speed
4617 1.7.2.2 jdolecek * @link_up: TRUE when link is up
4618 1.7.2.2 jdolecek * @link_up_wait_to_complete: bool used to wait for link up or not
4619 1.7.2.2 jdolecek *
4620 1.7.2.2 jdolecek * Check that both the MAC and X557 external PHY have link.
4621 1.7.2.2 jdolecek **/
4622 1.7.2.2 jdolecek s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
4623 1.7.2.2 jdolecek bool *link_up, bool link_up_wait_to_complete)
4624 1.7.2.2 jdolecek {
4625 1.7.2.2 jdolecek u32 status;
4626 1.7.2.2 jdolecek u16 i, autoneg_status = 0;
4627 1.7.2.2 jdolecek
4628 1.7.2.2 jdolecek if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
4629 1.7.2.2 jdolecek return IXGBE_ERR_CONFIG;
4630 1.7.2.2 jdolecek
4631 1.7.2.2 jdolecek status = ixgbe_check_mac_link_generic(hw, speed, link_up,
4632 1.7.2.2 jdolecek link_up_wait_to_complete);
4633 1.7.2.2 jdolecek
4634 1.7.2.2 jdolecek /* If check link fails or MAC link is not up, then return */
4635 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS || !(*link_up))
4636 1.7.2.2 jdolecek return status;
4637 1.7.2.2 jdolecek
4638 1.7.2.2 jdolecek /* MAC link is up, so check external PHY link.
4639 1.7.2.2 jdolecek * X557 PHY. Link status is latching low, and can only be used to detect
4640 1.7.2.2 jdolecek * link drop, and not the current status of the link without performing
4641 1.7.2.2 jdolecek * back-to-back reads.
4642 1.7.2.2 jdolecek */
4643 1.7.2.2 jdolecek for (i = 0; i < 2; i++) {
4644 1.7.2.2 jdolecek status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
4645 1.7.2.2 jdolecek IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
4646 1.7.2.2 jdolecek &autoneg_status);
4647 1.7.2.2 jdolecek
4648 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
4649 1.7.2.2 jdolecek return status;
4650 1.7.2.2 jdolecek }
4651 1.7.2.2 jdolecek
4652 1.7.2.2 jdolecek /* If external PHY link is not up, then indicate link not up */
4653 1.7.2.2 jdolecek if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
4654 1.7.2.2 jdolecek *link_up = FALSE;
4655 1.7.2.2 jdolecek
4656 1.7.2.2 jdolecek return IXGBE_SUCCESS;
4657 1.7.2.2 jdolecek }
4658 1.7.2.2 jdolecek
4659 1.7.2.2 jdolecek /**
4660 1.7.2.2 jdolecek * ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
4661 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4662 1.7.2.2 jdolecek **/
4663 1.7.2.2 jdolecek s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
4664 1.7.2.2 jdolecek {
4665 1.7.2.2 jdolecek s32 status;
4666 1.7.2.2 jdolecek
4667 1.7.2.2 jdolecek status = ixgbe_reset_phy_generic(hw);
4668 1.7.2.2 jdolecek
4669 1.7.2.2 jdolecek if (status != IXGBE_SUCCESS)
4670 1.7.2.2 jdolecek return status;
4671 1.7.2.2 jdolecek
4672 1.7.2.2 jdolecek /* Configure Link Status Alarm and Temperature Threshold interrupts */
4673 1.7.2.2 jdolecek return ixgbe_enable_lasi_ext_t_x550em(hw);
4674 1.7.2.2 jdolecek }
4675 1.7.2.2 jdolecek
4676 1.7.2.2 jdolecek /**
4677 1.7.2.2 jdolecek * ixgbe_led_on_t_X550em - Turns on the software controllable LEDs.
4678 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4679 1.7.2.2 jdolecek * @led_idx: led number to turn on
4680 1.7.2.2 jdolecek **/
4681 1.7.2.2 jdolecek s32 ixgbe_led_on_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
4682 1.7.2.2 jdolecek {
4683 1.7.2.2 jdolecek u16 phy_data;
4684 1.7.2.2 jdolecek
4685 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_led_on_t_X550em");
4686 1.7.2.2 jdolecek
4687 1.7.2.2 jdolecek if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
4688 1.7.2.2 jdolecek return IXGBE_ERR_PARAM;
4689 1.7.2.2 jdolecek
4690 1.7.2.2 jdolecek /* To turn on the LED, set mode to ON. */
4691 1.7.2.2 jdolecek ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
4692 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
4693 1.7.2.2 jdolecek phy_data |= IXGBE_X557_LED_MANUAL_SET_MASK;
4694 1.7.2.2 jdolecek ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
4695 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
4696 1.7.2.2 jdolecek
4697 1.7.2.2 jdolecek /* Some designs have the LEDs wired to the MAC */
4698 1.7.2.2 jdolecek return ixgbe_led_on_generic(hw, led_idx);
4699 1.7.2.2 jdolecek }
4700 1.7.2.2 jdolecek
4701 1.7.2.2 jdolecek /**
4702 1.7.2.2 jdolecek * ixgbe_led_off_t_X550em - Turns off the software controllable LEDs.
4703 1.7.2.2 jdolecek * @hw: pointer to hardware structure
4704 1.7.2.2 jdolecek * @led_idx: led number to turn off
4705 1.7.2.2 jdolecek **/
4706 1.7.2.2 jdolecek s32 ixgbe_led_off_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
4707 1.7.2.2 jdolecek {
4708 1.7.2.2 jdolecek u16 phy_data;
4709 1.7.2.2 jdolecek
4710 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_led_off_t_X550em");
4711 1.7.2.2 jdolecek
4712 1.7.2.2 jdolecek if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
4713 1.7.2.2 jdolecek return IXGBE_ERR_PARAM;
4714 1.7.2.2 jdolecek
4715 1.7.2.2 jdolecek /* To turn on the LED, set mode to ON. */
4716 1.7.2.2 jdolecek ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
4717 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
4718 1.7.2.2 jdolecek phy_data &= ~IXGBE_X557_LED_MANUAL_SET_MASK;
4719 1.7.2.2 jdolecek ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
4720 1.7.2.2 jdolecek IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
4721 1.7.2.2 jdolecek
4722 1.7.2.2 jdolecek /* Some designs have the LEDs wired to the MAC */
4723 1.7.2.2 jdolecek return ixgbe_led_off_generic(hw, led_idx);
4724 1.7.2.2 jdolecek }
4725 1.7.2.2 jdolecek
4726 1.7.2.2 jdolecek /**
4727 1.7.2.2 jdolecek * ixgbe_set_fw_drv_ver_x550 - Sends driver version to firmware
4728 1.7.2.2 jdolecek * @hw: pointer to the HW structure
4729 1.7.2.2 jdolecek * @maj: driver version major number
4730 1.7.2.2 jdolecek * @min: driver version minor number
4731 1.7.2.2 jdolecek * @build: driver version build number
4732 1.7.2.2 jdolecek * @sub: driver version sub build number
4733 1.7.2.2 jdolecek * @len: length of driver_ver string
4734 1.7.2.2 jdolecek * @driver_ver: driver string
4735 1.7.2.2 jdolecek *
4736 1.7.2.2 jdolecek * Sends driver version number to firmware through the manageability
4737 1.7.2.2 jdolecek * block. On success return IXGBE_SUCCESS
4738 1.7.2.2 jdolecek * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
4739 1.7.2.2 jdolecek * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
4740 1.7.2.2 jdolecek **/
4741 1.7.2.2 jdolecek s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
4742 1.7.2.2 jdolecek u8 build, u8 sub, u16 len, const char *driver_ver)
4743 1.7.2.2 jdolecek {
4744 1.7.2.2 jdolecek struct ixgbe_hic_drv_info2 fw_cmd;
4745 1.7.2.2 jdolecek s32 ret_val = IXGBE_SUCCESS;
4746 1.7.2.2 jdolecek int i;
4747 1.7.2.2 jdolecek
4748 1.7.2.2 jdolecek DEBUGFUNC("ixgbe_set_fw_drv_ver_x550");
4749 1.7.2.2 jdolecek
4750 1.7.2.2 jdolecek if ((len == 0) || (driver_ver == NULL) ||
4751 1.7.2.2 jdolecek (len > sizeof(fw_cmd.driver_string)))
4752 1.7.2.2 jdolecek return IXGBE_ERR_INVALID_ARGUMENT;
4753 1.7.2.2 jdolecek
4754 1.7.2.2 jdolecek fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
4755 1.7.2.2 jdolecek fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
4756 1.7.2.2 jdolecek fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
4757 1.7.2.2 jdolecek fw_cmd.port_num = (u8)hw->bus.func;
4758 1.7.2.2 jdolecek fw_cmd.ver_maj = maj;
4759 1.7.2.2 jdolecek fw_cmd.ver_min = min;
4760 1.7.2.2 jdolecek fw_cmd.ver_build = build;
4761 1.7.2.2 jdolecek fw_cmd.ver_sub = sub;
4762 1.7.2.2 jdolecek fw_cmd.hdr.checksum = 0;
4763 1.7.2.2 jdolecek memcpy(fw_cmd.driver_string, driver_ver, len);
4764 1.7.2.2 jdolecek fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd,
4765 1.7.2.2 jdolecek (FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
4766 1.7.2.2 jdolecek
4767 1.7.2.2 jdolecek for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
4768 1.7.2.2 jdolecek ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
4769 1.7.2.2 jdolecek sizeof(fw_cmd),
4770 1.7.2.2 jdolecek IXGBE_HI_COMMAND_TIMEOUT,
4771 1.7.2.2 jdolecek TRUE);
4772 1.7.2.2 jdolecek if (ret_val != IXGBE_SUCCESS)
4773 1.7.2.2 jdolecek continue;
4774 1.7.2.2 jdolecek
4775 1.7.2.2 jdolecek if (fw_cmd.hdr.cmd_or_resp.ret_status ==
4776 1.7.2.2 jdolecek FW_CEM_RESP_STATUS_SUCCESS)
4777 1.7.2.2 jdolecek ret_val = IXGBE_SUCCESS;
4778 1.7.2.2 jdolecek else
4779 1.7.2.2 jdolecek ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
4780 1.7.2.2 jdolecek
4781 1.7.2.2 jdolecek break;
4782 1.7.2.2 jdolecek }
4783 1.7.2.2 jdolecek
4784 1.7.2.2 jdolecek return ret_val;
4785 1.7.2.2 jdolecek }
4786