adm5120reg.h revision 1.1 1 /* $NetBSD: adm5120reg.h,v 1.1 2007/03/20 08:52:03 dyoung Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or
8 * without modification, are permitted provided that the following
9 * conditions are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
16 * 3. The names of the authors may not be used to endorse or promote
17 * products derived from this software without specific prior
18 * written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
27 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
29 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 */
33 /*-
34 * Copyright (c) 2001 The NetBSD Foundation, Inc.
35 * All rights reserved.
36 *
37 * This code is derived from software contributed to The NetBSD Foundation
38 * by Jason R. Thorpe.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed by the NetBSD
51 * Foundation, Inc. and its contributors.
52 * 4. Neither the name of The NetBSD Foundation nor the names of its
53 * contributors may be used to endorse or promote products derived
54 * from this software without specific prior written permission.
55 *
56 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
57 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66 * POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 #ifndef _ADM5120REG_H_
70 #define _ADM5120REG_H_
71
72 /*
73 * Memory map and register definitions for the Alchemy Semiconductor Pb1000.
74 */
75
76 /* Last byte of physical address space. */
77 #define ADM5120_TOP 0x1fffffff
78 #define ADM5120_BOTTOM 0x0
79
80 /* Flash addresses */
81 #define ADM5120_BASE_SRAM0 0x1fc00000
82
83 /* UARTs */
84 #define ADM5120_BASE_UART1 0x12800000
85 #define ADM5120_BASE_UART0 0x12600000
86
87 /* ICU */
88 #define ADM5120_BASE_ICU 0x12200000
89 #define ICU_STATUS_REG 0x00
90 #define ICU_RAW_STATUS_REG 0x04
91 #define ICU_ENABLE_REG 0x08
92 #define ICU_DISABLE_REG 0x0c
93 #define ICU_SOFT_REG 0x10
94 #define ICU_MODE_REG 0x14
95 #define ICU_FIQ_STATUS_REG 0x18
96 #define ICU_TESTSRC_REG 0x1c
97 #define ICU_SRCSEL_REG 0x20
98 #define ICU_LEVEL_REG 0x24
99 #define ICU_INT_MASK 0x3ff
100
101 /* Switch */
102 #define ADM5120_BASE_SWITCH 0x12000000
103 #define SW_CODE_REG 0x00
104 #define CLKS_MASK 0x00300000
105 #define CLKS_175MHZ 0x00000000
106 #define CLKS_200MHZ 0x00100000
107 #define SW_SFTRES_REG 0x04
108 #define SW_MEMCONT_REG 0x1c
109 #define SDRAM_SIZE_4MBYTES 0x0001
110 #define SDRAM_SIZE_8MBYTES 0x0002
111 #define SDRAM_SIZE_16MBYTES 0x0003
112 #define SDRAM_SIZE_64MBYTES 0x0004
113 #define SDRAM_SIZE_128MBYTES 0x0005
114 #define SDRAM_SIZE_MASK 0x0007
115 #define SRAM0_SIZE_SHIFT 8
116 #define SRAM1_SIZE_SHIFT 16
117 #define SRAM_MASK 0x0007
118 #define SRAM_SSIZE 0x40000
119
120 #define ADM5120_BASE_PCI_CONFDATA 0x115ffff8
121 #define ADM5120_BASE_PCI_CONFADDR 0x115ffff0
122 #define ADM5120_BASE_PCI_IO 0x11500000
123 #define ADM5120_BASE_PCI_MEM 0x11400000
124 #define ADM5120_BASE_USB 0x11200000
125 #define ADM5120_BASE_MPMC 0x11000000
126 #define ADM5120_BASE_EXTIO1 0x10e00000
127 #define ADM5120_BASE_EXTIO0 0x10c00000
128 #define ADM5120_BASE_RSVD0 0x10800000
129 #define ADM5120_BASE_SRAM1 0x10000000
130
131 #define _REG_READ(b, o) *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((b) + (o)))
132 #define SW_READ(o) _REG_READ(ADM5120_BASE_SWITCH, o)
133
134 #define _REG_WRITE(b, o, v) (_REG_READ(b, o)) = (v)
135 #define SW_WRITE(o, v) _REG_WRITE(ADM5120_BASE_SWITCH,o, v)
136
137 /* USB */
138
139 /* Watchdog Timers: base address is switch controller */
140
141 #define ADM5120_WDOG0 0x00c0
142 #define ADM5120_WDOG1 0x00c4
143
144 #define ADM5120_WDOG0_WTTR __BIT(31) /* 0: do not reset,
145 * 1: reset on wdog expiration
146 */
147 #define ADM5120_WDOG1_WDE __BIT(31) /* 0: deactivate,
148 * 1: drop all CPU-bound
149 * packets, disable flow
150 * control on all ports.
151 */
152 #define ADM5120_WDOG_WTS_MASK __BITS(30, 16) /* Watchdog Timer Set:
153 * timer expires when it
154 * reaches WTS. Units of
155 * 10ms.
156 */
157 #define ADM5120_WDOG_RSVD __BIT(15)
158 #define ADM5120_WDOG_WT_MASK __BITS(14, 0) /* Watchdog Timer:
159 * counts up, write to clear.
160 */
161
162 /* GPIO: base address is switch controller */
163 #define ADM5120_GPIO0 0x00b8
164
165 #define ADM5120_GPIO0_OV __BITS(31, 24) /* rw: output value */
166 #define ADM5120_GPIO0_OE __BITS(23, 16) /* rw: output enable,
167 * bit[n] = 0 -> input
168 * bit[n] = 1 -> output
169 */
170 #define ADM5120_GPIO0_IV __BITS(15, 8) /* ro: input value */
171 #define ADM5120_GPIO0_RSVD __BITS(7, 0) /* rw: reserved */
172
173 #define ADM5120_GPIO2 0x00bc
174 #define ADM5120_GPIO2_EW __BIT(6) /* 1: enable wait state pin,
175 * pin GPIO[0], for GPIO[1]
176 * or GPIO[3] Chip Select:
177 * memory controller waits for
178 * WAIT# inactive (high).
179 */
180 #define ADM5120_GPIO2_CSX1 __BIT(5) /* 1: GPIO[3:4] act as
181 * Chip Select for
182 * External I/O 1 (CSX1)
183 * and External Interrupt 1
184 * (INTX1), respectively.
185 * 0: CSX1/INTX1 disabled
186 */
187 #define ADM5120_GPIO2_CSX0 __BIT(4) /* 1: GPIO[1:2] act as
188 * Chip Select for
189 * External I/O 0 (CSX0)
190 * and External Interrupt 0
191 * (INTX0), respectively.
192 * 0: CSX0/INTX0 disabled
193 */
194
195 /* MultiPort Memory Controller (MPMC) */
196
197 #define ADM5120_MPMC_CONTROL 0x000
198 #define ADM5120_MPMC_CONTROL_DWB __BIT(3) /* write 1 to
199 * drain write
200 * buffers. write 0
201 * for normal buffer
202 * operation.
203 */
204 #define ADM5120_MPMC_CONTROL_LPM __BIT(2) /* 1: activate low-power
205 * mode. SDRAM is
206 * still refreshed.
207 */
208 #define ADM5120_MPMC_CONTROL_AM __BIT(1) /* 1: address mirror:
209 * static memory
210 * chip select 0
211 * is mapped to chip
212 * select 1.
213 */
214 #define ADM5120_MPMC_CONTROL_ME __BIT(0) /* 0: disable MPMC.
215 * DRAM is not
216 * refreshed.
217 * 1: enable MPMC.
218 */
219
220 #define ADM5120_MPMC_STATUS 0x004
221 #define ADM5120_MPMC_STATUS_SRA __BIT(2) /* read-only
222 * MPMC operating mode
223 * indication,
224 * 1: self-refresh
225 * acknowledge
226 * 0: normal mode
227 */
228 #define ADM5120_MPMC_STATUS_WBS __BIT(1) /* read-only
229 * write-buffer status,
230 * 0: buffers empty
231 * 1: contain data
232 */
233 #define ADM5120_MPMC_STATUS_BU __BIT(0) /* read-only MPMC
234 * "busy" indication,
235 * 0: MPMC idle
236 * 1: MPMC is performing
237 * memory transactions
238 */
239
240 #define ADM5120_MPMC_SEW 0x080
241 #define ADM5120_MPMC_SEW_RSVD __BITS(31, 10)
242 #define ADM5120_MPMC_SEW_EWTO __BITS(9, 0) /* timeout access after
243 * 16 * (n + 1) clock cycles
244 * (XXX which clock?)
245 */
246
247 #define ADM5120_MPMC_SC(__i) (0x200 + 0x020 * (__i))
248 #define ADM5120_MPMC_SC_RSVD0 __BITS(31, 21)
249 #define ADM5120_MPMC_SC_WP __BIT(20) /* 1: write protect */
250 #define ADM5120_MPMC_SC_BE __BIT(20) /* 1: enable write buffer */
251 #define ADM5120_MPMC_SC_RSVD1 __BITS(18, 9)
252 #define ADM5120_MPMC_SC_EW __BIT(8) /* 1: enable extended wait;
253 */
254 #define ADM5120_MPMC_SC_BLS __BIT(7) /* 0: byte line state pins
255 * are active high on read,
256 * active low on write.
257 *
258 * 1: byte line state pins
259 * are active low on read and
260 * on write.
261 */
262 #define ADM5120_MPMC_SC_CCP __BIT(6) /* 0: chip select is active low,
263 * 1: active high
264 */
265 #define ADM5120_MPMC_SC_RSVD2 __BITS(5, 4)
266 #define ADM5120_MPMC_SC_PM __BIT(3) /* 0: page mode disabled,
267 * 1: enable asynchronous
268 * page mode four
269 */
270 #define ADM5120_MPMC_SC_RSVD3 __BIT(2)
271 #define ADM5120_MPMC_SC_MW_MASK __BITS(1, 0) /* memory width, bits */
272 #define ADM5120_MPMC_SC_MW_8B __SHIFTIN(0, ADM5120_MPMC_SC_MW_MASK)
273 #define ADM5120_MPMC_SC_MW_16B __SHIFTIN(1, ADM5120_MPMC_SC_MW_MASK)
274 #define ADM5120_MPMC_SC_MW_32B __SHIFTIN(2, ADM5120_MPMC_SC_MW_MASK)
275 #define ADM5120_MPMC_SC_MW_RSVD __SHIFTIN(3, ADM5120_MPMC_SC_MW_MASK)
276
277 #define ADM5120_MPMC_SWW(__i) (0x204 + 0x020 * (__i))
278 #define ADM5120_MPMC_SWW_RSVD __BITS(31, 4)
279 #define ADM5120_MPMC_SWW_WWE __BITS(3, 0) /* delay (n + 1) * HCLK cycles
280 * after asserting chip select
281 * (CS) before asserting write
282 * enable (WE)
283 */
284
285 #define ADM5120_MPMC_SWO(__i) (0x208 + 0x020 * (__i))
286 #define ADM5120_MPMC_SWO_RSVD __BITS(31, 4)
287 #define ADM5120_MPMC_SWO_WOE __BITS(3, 0) /* delay n * HCLK cycles
288 * after asserting chip select
289 * before asserting output
290 * enable (OE)
291 */
292
293 #define ADM5120_MPMC_SWR(__i) (0x20c + 0x020 * (__i))
294 #define ADM5120_MPMC_SWR_RSVD __BITS(31, 5)
295 #define ADM5120_MPMC_SWR_NMRW __BITS(4, 0) /* read wait states for
296 * either first page-mode
297 * access or for non-page mode
298 * read, (n + 1) * HCLK cycles
299 */
300
301 #define ADM5120_MPMC_SWP(__i) (0x210 + 0x020 * (__i))
302 #define ADM5120_MPMC_SWP_RSVD __BITS(31, 5)
303 #define ADM5120_MPMC_SWP_WPS __BITS(4, 0) /* read wait states for
304 * second and subsequent
305 * page-mode read,
306 * (n + 1) * HCLK cycles
307 */
308
309 #define ADM5120_MPMC_SWWR(__i) (0x214 + 0x020 * (__i))
310 #define ADM5120_MPMC_SWWR_RSVD __BITS(31, 5)
311 #define ADM5120_MPMC_SWWR_WWS __BITS(4, 0) /* write wait states after
312 * the first read (??),
313 * (n + 2) * HCLK cycles
314 */
315
316 #define ADM5120_MPMC_SWT(__i) (0x218 + 0x020 * (__i))
317 #define ADM5120_MPMC_SWT_RSVD __BITS(31, 4)
318 #define ADM5120_MPMC_SWT_WAITTURN __BITS(3, 0) /* bus turnaround time,
319 * (n + 1) * HCLK cycles
320 */
321
322 #endif /* _ADM5120REG_H_ */
323