mvgbereg.h revision 1.7 1 /* $NetBSD: mvgbereg.h,v 1.7 2012/11/08 15:39:30 msaitoh Exp $ */
2 /*
3 * Copyright (c) 2007 KIYOHARA Takashi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27 #ifndef _MVGBEREG_H_
28 #define _MVGBEREG_H_
29
30 #define MVGBE_SIZE 0x4000
31
32 #define MVGBE_NWINDOW 6
33 #define MVGBE_NREMAP 4
34
35 #define MVGBE_PHY_TIMEOUT 10000 /* msec */
36
37 /*
38 * Ethernet Unit Registers
39 */
40 /* Ethernet Unit Global Registers */
41 #define MVGBE_PHYADDR 0x2000
42 #if defined(MV88W8660)
43 #define MVGBE_SMI 0x8010
44 #else
45 #define MVGBE_SMI 0x2004
46 #endif
47 #define MVGBE_EUDA 0x2008 /* Ethernet Unit Default Address */
48 #define MVGBE_EUDID 0x200c /* Ethernet Unit Default ID */
49 #define MVGBE_EU 0x2014 /* Ethernet Unit Reserved */
50 #define MVGBE_EUIC 0x2080 /* Ethernet Unit Interrupt Cause */
51 #define MVGBE_EUIM 0x2084 /* Ethernet Unit Interrupt Mask */
52 #define MVGBE_EUEA 0x2094 /* Ethernet Unit Error Address */
53 #define MVGBE_EUIAE 0x2098 /* Ethernet Unit Internal Addr Error */
54 #define MVGBE_EUPCR 0x20a0 /* EthernetUnit Port Pads Calibration */
55 #define MVGBE_EUC 0x20b0 /* Ethernet Unit Control */
56
57 #define MVGBE_BASEADDR(n) (0x2200 + ((n) << 3)) /* Base Address */
58 #define MVGBE_S(n) (0x2204 + ((n) << 3)) /* Size */
59 #define MVGBE_HA(n) (0x2280 + ((n) << 2)) /* High Address Remap */
60 #define MVGBE_BARE 0x2290 /* Base Address Enable */
61 #define MVGBE_EPAP 0x2294 /* Ethernet Port Access Protect */
62
63 /* Ethernet Unit Port Registers */
64 #define MVGBE_PORTR_BASE 0x2400
65 #define MVGBE_PORTR_SIZE 0x400
66
67 #define MVGBE_PXC 0x000 /* Port Configuration */
68 #define MVGBE_PXCX 0x004 /* Port Configuration Extend */
69 #define MVGBE_MIISP 0x008 /* MII Serial Parameters */
70 #define MVGBE_GMIISP 0x00c /* GMII Serial Params */
71 #define MVGBE_EVLANE 0x010 /* VLAN EtherType */
72 #define MVGBE_MACAL 0x014 /* MAC Address Low */
73 #define MVGBE_MACAH 0x018 /* MAC Address High */
74 #define MVGBE_SDC 0x01c /* SDMA Configuration */
75 #define MVGBE_DSCP(n) (0x020 + ((n) << 2))
76 #define MVGBE_PSC 0x03c /* Port Serial Control0 */
77 #define MVGBE_VPT2P 0x040 /* VLAN Priority Tag to Priority */
78 #define MVGBE_PS 0x044 /* Ethernet Port Status */
79 #define MVGBE_TQC 0x048 /* Transmit Queue Command */
80 #define MVGBE_PSC1 0x04c /* Port Serial Control1 */
81 #define MVGBE_MTU 0x058 /* Max Transmit Unit */
82 #define MVGBE_IC 0x060 /* Port Interrupt Cause */
83 #define MVGBE_ICE 0x064 /* Port Interrupt Cause Extend */
84 #define MVGBE_PIM 0x068 /* Port Interrupt Mask */
85 #define MVGBE_PEIM 0x06c /* Port Extend Interrupt Mask */
86 #define MVGBE_PRFUT 0x070 /* Port Rx FIFO Urgent Threshold */
87 #define MVGBE_PTFUT 0x074 /* Port Tx FIFO Urgent Threshold */
88 #define MVGBE_PMFS 0x07c /* Port Rx Minimal Frame Size */
89 #define MVGBE_PXDFC 0x084 /* Port Rx Discard Frame Counter */
90 #define MVGBE_POFC 0x088 /* Port Overrun Frame Counter */
91 #define MVGBE_PIAE 0x094 /* Port Internal Address Error */
92 #define MVGBE_TQFPC 0x0dc /* Transmit Queue Fixed Priority Cfg */
93 #define MVGBE_CRDP(n) (0x20c + ((n) << 4))
94 /* Ethernet Current Receive Descriptor Pointers */
95 #define MVGBE_RQC 0x280 /* Receive Queue Command */
96 #define MVGBE_TCSDP 0x284 /* Tx Current Served Desc Pointer */
97 #define MVGBE_TCQDP 0x2c0 /* Tx Current Queue Desc Pointer */
98 #define MVGBE_TQTBCOUNT(q) (0x300 + ((q) << 4))
99 /* Transmit Queue Token-Bucket Counter */
100 #define MVGBE_TQTBCONFIG(q) (0x304 + ((q) << 4))
101 /* Transmit Queue Token-Bucket Configuration */
102 #define MVGBE_TQAC(q) (0x308 + ((q) << 4))
103 /* Transmit Queue Arbiter Configuration */
104
105 #define MVGBE_PORTDAFR_BASE 0x3400
106 #define MVGBE_PORTDAFR_SIZE 0x400
107
108 #define MVGBE_NDFSMT 0x40
109 #define MVGBE_DFSMT 0x000
110 /* Destination Address Filter Special Multicast Table */
111 #define MVGBE_NDFOMT 0x40
112 #define MVGBE_DFOMT 0x100
113 /* Destination Address Filter Other Multicast Table */
114 #define MVGBE_NDFUT 0x4
115 #define MVGBE_DFUT 0x200
116 /* Destination Address Filter Unicast Table */
117
118
119 /* MAC MIB Counters 0x3000 - 0x307c */
120
121
122
123 /* PHY Address (MVGBE_PHYADDR) */
124 #define MVGBE_PHYADDR_PHYAD_MASK 0x1f
125 #define MVGBE_PHYADDR_PHYAD(port, phy) ((phy) << ((port) * 5))
126
127 /* SMI register fields (MVGBE_SMI) */
128 #define MVGBE_SMI_DATA_MASK 0x0000ffff
129 #define MVGBE_SMI_PHYAD(phy) (((phy) & 0x1f) << 16)
130 #define MVGBE_SMI_REGAD(reg) (((reg) & 0x1f) << 21)
131 #define MVGBE_SMI_OPCODE_WRITE (0 << 26)
132 #define MVGBE_SMI_OPCODE_READ (1 << 26)
133 #define MVGBE_SMI_READVALID (1 << 27)
134 #define MVGBE_SMI_BUSY (1 << 28)
135
136 /* Ethernet Unit Default ID (MVGBE_EUDID) */
137 #define MVGBE_EUDID_DIDR_MASK 0x0000000f
138 #define MVGBE_EUDID_DATTR_MASK 0x00000ff0
139
140 /* Ethernet Unit Reserved (MVGBE_EU) */
141 #define MVGBE_EU_FASTMDC (1 << 0)
142 #define MVGBE_EU_ACCS (1 << 1)
143
144 /* Ethernet Unit Interrupt Cause (MVGBE_EUIC) */
145 #define MVGBE_EUIC_ETHERINTSUM (1 << 0)
146 #define MVGBE_EUIC_PARITY (1 << 1)
147 #define MVGBE_EUIC_ADDRVIOL (1 << 2)
148 #define MVGBE_EUIC_ADDRVNOMATCH (1 << 3)
149 #define MVGBE_EUIC_SMIDONE (1 << 4)
150 #define MVGBE_EUIC_COUNTWA (1 << 5)
151 #define MVGBE_EUIC_INTADDRERR (1 << 7)
152 #define MVGBE_EUIC_PORT0DPERR (1 << 9)
153 #define MVGBE_EUIC_TOPDPERR (1 << 12)
154
155 /* Ethernet Unit Internal Addr Error (MVGBE_EUIAE) */
156 #define MVGBE_EUIAE_INTADDR_MASK 0x000001ff
157
158 /* Ethernet Unit Port Pads Calibration (MVGBE_EUPCR) */
159 #define MVGBE_EUPCR_DRVN_MASK 0x0000001f
160 #define MVGBE_EUPCR_TUNEEN (1 << 16)
161 #define MVGBE_EUPCR_LOCKN_MASK 0x003e0000
162 #define MVGBE_EUPCR_OFFSET_MASK 0x1f000000 /* Reserved */
163 #define MVGBE_EUPCR_WREN (1 << 31)
164
165 /* Ethernet Unit Control (MVGBE_EUC) */
166 #define MVGBE_EUC_PORT0DPPAR (1 << 0)
167 #define MVGBE_EUC_TOPDPPAR (1 << 3)
168 #define MVGBE_EUC_PORT0PW (1 << 16)
169
170 /* Base Address (MVGBE_BASEADDR) */
171 #define MVGBE_BASEADDR_TARGET(target) ((target) & 0xf)
172 #define MVGBE_BASEADDR_ATTR(attr) (((attr) & 0xff) << 8)
173 #define MVGBE_BASEADDR_BASE(base) ((base) & 0xffff0000)
174
175 /* Size (MVGBE_S) */
176 #define MVGBE_S_SIZE(size) (((size) - 1) & 0xffff0000)
177
178 /* Base Address Enable (MVGBE_BARE) */
179 #define MVGBE_BARE_EN_MASK ((1 << MVGBE_NWINDOW) - 1)
180 #define MVGBE_BARE_EN(win) ((1 << (win)) & MVGBE_BARE_EN_MASK)
181
182 /* Ethernet Port Access Protect (MVGBE_EPAP) */
183 #define MVGBE_EPAP_AC_NAC 0x0 /* No access allowed */
184 #define MVGBE_EPAP_AC_RO 0x1 /* Read Only */
185 #define MVGBE_EPAP_AC_FA 0x3 /* Full access (r/w) */
186 #define MVGBE_EPAP_EPAR(win, ac) ((ac) << ((win) * 2))
187
188 /* Port Configuration (MVGBE_PXC) */
189 #define MVGBE_PXC_UPM (1 << 0) /* Uni Promisc mode */
190 #define MVGBE_PXC_RXQ(q) ((q) << 1)
191 #define MVGBE_PXC_RXQ_MASK MVGBE_PXC_RXQ(7)
192 #define MVGBE_PXC_RXQARP(q) ((q) << 4)
193 #define MVGBE_PXC_RXQARP_MASK MVGBE_PXC_RXQARP(7)
194 #define MVGBE_PXC_RB (1 << 7) /* Rej mode of MAC */
195 #define MVGBE_PXC_RBIP (1 << 8)
196 #define MVGBE_PXC_RBARP (1 << 9)
197 #define MVGBE_PXC_AMNOTXES (1 << 12)
198 #define MVGBE_PXC_TCPCAPEN (1 << 14)
199 #define MVGBE_PXC_UDPCAPEN (1 << 15)
200 #define MVGBE_PXC_TCPQ(q) ((q) << 16)
201 #define MVGBE_PXC_TCPQ_MASK MVGBE_PXC_TCPQ(7)
202 #define MVGBE_PXC_UDPQ(q) ((q) << 19)
203 #define MVGBE_PXC_UDPQ_MASK MVGBE_PXC_UDPQ(7)
204 #define MVGBE_PXC_BPDUQ(q) ((q) << 22)
205 #define MVGBE_PXC_BPDUQ_MASK MVGBE_PXC_BPDUQ(7)
206 #define MVGBE_PXC_RXCS (1 << 25)
207
208 /* Port Configuration Extend (MVGBE_PXCX) */
209 #define MVGBE_PXCX_SPAN (1 << 1)
210
211 /* MII Serial Parameters (MVGBE_MIISP) */
212 #define MVGBE_MIISP_JAMLENGTH_12KBIT 0x00000000
213 #define MVGBE_MIISP_JAMLENGTH_24KBIT 0x00000001
214 #define MVGBE_MIISP_JAMLENGTH_32KBIT 0x00000002
215 #define MVGBE_MIISP_JAMLENGTH_48KBIT 0x00000003
216 #define MVGBE_MIISP_JAMIPG(x) (((x) & 0x7c) << 0)
217 #define MVGBE_MIISP_IPGJAMTODATA(x) (((x) & 0x7c) << 5)
218 #define MVGBE_MIISP_IPGDATA(x) (((x) & 0x7c) << 10)
219 #define MVGBE_MIISP_DATABLIND(x) (((x) & 0x1f) << 17)
220
221 /* GMII Serial Parameters (MVGBE_GMIISP) */
222 #define MVGBE_GMIISP_IPGDATA(x) (((x) >> 4) & 0x7)
223
224 /* SDMA Configuration (MVGBE_SDC) */
225 #define MVGBE_SDC_RIFB (1 << 0)
226 #define MVGBE_SDC_RXBSZ(x) ((x) << 1)
227 #define MVGBE_SDC_RXBSZ_MASK MVGBE_SDC_RXBSZ(7)
228 #define MVGBE_SDC_RXBSZ_1_64BITWORDS MVGBE_SDC_RXBSZ(0)
229 #define MVGBE_SDC_RXBSZ_2_64BITWORDS MVGBE_SDC_RXBSZ(1)
230 #define MVGBE_SDC_RXBSZ_4_64BITWORDS MVGBE_SDC_RXBSZ(2)
231 #define MVGBE_SDC_RXBSZ_8_64BITWORDS MVGBE_SDC_RXBSZ(3)
232 #define MVGBE_SDC_RXBSZ_16_64BITWORDS MVGBE_SDC_RXBSZ(4)
233 #define MVGBE_SDC_BLMR (1 << 4)
234 #define MVGBE_SDC_BLMT (1 << 5)
235 #define MVGBE_SDC_SWAPMODE (1 << 6)
236 #define MVGBE_SDC_IPGINTRX_V1_MASK __BITS(21, 8)
237 #define MVGBE_SDC_IPGINTRX_V2_MASK (__BIT(25) | __BITS(21, 7))
238 #define MVGBE_SDC_IPGINTRX_V1(x) (((x) << 4) \
239 & MVGBE_SDC_IPGINTRX_V1_MASK)
240 #define MVGBE_SDC_IPGINTRX_V2(x) ((((x) & 0x8000) << 10) \
241 | (((x) & 0x7fff) << 7))
242 #define MVGBE_SDC_IPGINTRX_V1_MAX 0x3fff
243 #define MVGBE_SDC_IPGINTRX_V2_MAX 0xffff
244 #define MVGBE_SDC_TXBSZ(x) ((x) << 22)
245 #define MVGBE_SDC_TXBSZ_MASK MVGBE_SDC_TXBSZ(7)
246 #define MVGBE_SDC_TXBSZ_1_64BITWORDS MVGBE_SDC_TXBSZ(0)
247 #define MVGBE_SDC_TXBSZ_2_64BITWORDS MVGBE_SDC_TXBSZ(1)
248 #define MVGBE_SDC_TXBSZ_4_64BITWORDS MVGBE_SDC_TXBSZ(2)
249 #define MVGBE_SDC_TXBSZ_8_64BITWORDS MVGBE_SDC_TXBSZ(3)
250 #define MVGBE_SDC_TXBSZ_16_64BITWORDS MVGBE_SDC_TXBSZ(4)
251
252 /* Port Serial Control (MVGBE_PSC) */
253 #define MVGBE_PSC_PORTEN (1 << 0)
254 #define MVGBE_PSC_FLP (1 << 1) /* Force_Link_Pass */
255 #define MVGBE_PSC_ANDUPLEX (1 << 2) /* auto nego */
256 #define MVGBE_PSC_ANFC (1 << 3)
257 #define MVGBE_PSC_PAUSEADV (1 << 4)
258 #define MVGBE_PSC_FFCMODE (1 << 5) /* Force FC */
259 #define MVGBE_PSC_FBPMODE (1 << 7) /* Back pressure */
260 #define MVGBE_PSC_RESERVED (1 << 9) /* Must be set to 1 */
261 #define MVGBE_PSC_FLFAIL (1 << 10) /* Force Link Fail */
262 #define MVGBE_PSC_ANSPEED (1 << 13)
263 #define MVGBE_PSC_DTEADVERT (1 << 14)
264 #define MVGBE_PSC_MRU(x) ((x) << 17)
265 #define MVGBE_PSC_MRU_MASK MVGBE_PSC_MRU(7)
266 #define MVGBE_PSC_MRU_1518 0
267 #define MVGBE_PSC_MRU_1522 1
268 #define MVGBE_PSC_MRU_1552 2
269 #define MVGBE_PSC_MRU_9022 3
270 #define MVGBE_PSC_MRU_9192 4
271 #define MVGBE_PSC_MRU_9700 5
272 #define MVGBE_PSC_SETFULLDX (1 << 21)
273 #define MVGBE_PSC_SETFCEN (1 << 22)
274 #define MVGBE_PSC_SETGMIISPEED (1 << 23)
275 #define MVGBE_PSC_SETMIISPEED (1 << 24)
276
277 /* Ethernet Port Status (MVGBE_PS) */
278 #define MVGBE_PS_LINKUP (1 << 1)
279 #define MVGBE_PS_FULLDX (1 << 2)
280 #define MVGBE_PS_ENFC (1 << 3)
281 #define MVGBE_PS_GMIISPEED (1 << 4)
282 #define MVGBE_PS_MIISPEED (1 << 5)
283 #define MVGBE_PS_TXINPROG (1 << 7)
284 #define MVGBE_PS_TXFIFOEMP (1 << 10) /* FIFO Empty */
285
286 /* Transmit Queue Command (MVGBE_TQC) */
287 #define MVGBE_TQC_ENQ (1 << 0) /* Enable Q */
288 #define MVGBE_TQC_DISQ (1 << 8) /* Disable Q */
289
290 /* Port Serial Control 1 (MVGBE_PSC1) */
291 #define MVGBE_PSC1_PCSLB (1 << 1)
292 #define MVGBE_PSC1_RGMIIEN (1 << 3) /* RGMII */
293 #define MVGBE_PSC1_PRST (1 << 4) /* Port Reset */
294
295 /* Port Interrupt Cause (MVGBE_IC) */
296 #define MVGBE_IC_RXBUF (1 << 0)
297 #define MVGBE_IC_EXTEND (1 << 1)
298 #define MVGBE_IC_RXBUFQ_MASK (0xff << 2)
299 #define MVGBE_IC_RXBUFQ(q) (1 << ((q) + 2))
300 #define MVGBE_IC_RXERROR (1 << 10)
301 #define MVGBE_IC_RXERRQ_MASK (0xff << 11)
302 #define MVGBE_IC_RXERRQ(q) (1 << ((q) + 11))
303 #define MVGBE_IC_TXEND (1 << 19)
304 #define MVGBE_IC_ETHERINTSUM (1 << 31)
305
306 /* Port Interrupt Cause Extend (MVGBE_ICE) */
307 #define MVGBE_ICE_TXBUF (1 << 0)
308 #define MVGBE_ICE_TXERR (1 << 8)
309 #define MVGBE_ICE_PHYSTC (1 << 16)
310 #define MVGBE_ICE_RXOVR (1 << 18)
311 #define MVGBE_ICE_TXUDR (1 << 19)
312 #define MVGBE_ICE_LINKCHG (1 << 20)
313 #define MVGBE_ICE_INTADDRERR (1 << 23)
314 #define MVGBE_ICE_ETHERINTSUM (1 << 31)
315
316 /* Port Tx FIFO Urgent Threshold (MVGBE_PTFUT) */
317 #define MVGBE_PTFUT_IPGINTTX_V1_MASK __BITS(17, 4)
318 #define MVGBE_PTFUT_IPGINTTX_V2_MASK __BITS(19, 4)
319 #define MVGBE_PTFUT_IPGINTTX_V1(x) __SHIFTIN(x, MVGBE_PTFUT_IPGINTTX_V1_MASK)
320 #define MVGBE_PTFUT_IPGINTTX_V2(x) __SHIFTIN(x, MVGBE_PTFUT_IPGINTTX_V2_MASK)
321 #define MVGBE_PTFUT_IPGINTTX_V1_MAX 0x3fff
322 #define MVGBE_PTFUT_IPGINTTX_V2_MAX 0xffff
323
324 /* Port Rx Minimal Frame Size (MVGBE_PMFS) */
325 #define MVGBE_PMFS_RXMFS(rxmfs) (((rxmfs) - 40) & 0x7c)
326 /* RxMFS = 40,44,48,52,56,60,64 bytes */
327
328 /* Transmit Queue Fixed Priority Configuration */
329 #define MVGBE_TQFPC_EN(q) (1 << (q))
330
331 /* Receive Queue Command (MVGBE_RQC) */
332 #define MVGBE_RQC_ENQ_MASK (0xff << 0) /* Enable Q */
333 #define MVGBE_RQC_ENQ(n) (1 << (0 + (n)))
334 #define MVGBE_RQC_DISQ_MASK (0xff << 8) /* Disable Q */
335 #define MVGBE_RQC_DISQ(n) (1 << (8 + (n)))
336 #define MVGBE_RQC_DISQ_DISABLE(q) ((q) << 8)
337
338 /* Destination Address Filter Registers (MVGBE_DF{SM,OM,U}T) */
339 #define MVGBE_DF(n, x) ((x) << (8 * (n)))
340 #define MVGBE_DF_PASS (1 << 0)
341 #define MVGBE_DF_QUEUE(q) ((q) << 1)
342 #define MVGBE_DF_QUEUE_MASK ((7) << 1)
343
344
345 /*
346 * Set the chip's packet size limit to 9022.
347 * (ETHER_MAX_LEN_JUMBO + ETHER_VLAN_ENCAP_LEN)
348 */
349 #define MVGBE_MRU 9022
350
351 #define MVGBE_RXBUF_ALIGN 32 /* Cache line size */
352 #define MVGBE_RXBUF_MASK (MVGBE_RXBUF_ALIGN - 1)
353 #define MVGBE_HWHEADER_SIZE 2
354
355
356 /*
357 * DMA descriptors
358 * Despite the documentation saying these descriptors only need to be
359 * aligned to 16-byte bondaries, 32-byte alignment seems to be required
360 * by the hardware. We'll just pad them out to that to make it easier.
361 */
362 struct mvgbe_tx_desc {
363 #if BYTE_ORDER == BIG_ENDIAN
364 uint16_t bytecnt; /* Descriptor buffer byte count */
365 uint16_t l4ichk; /* CPU provided TCP Checksum */
366 uint32_t cmdsts; /* Descriptor command status */
367 uint32_t nextdescptr; /* Next descriptor pointer */
368 uint32_t bufptr; /* Descriptor buffer pointer */
369 #else /* LITTLE_ENDIAN */
370 uint32_t cmdsts; /* Descriptor command status */
371 uint16_t l4ichk; /* CPU provided TCP Checksum */
372 uint16_t bytecnt; /* Descriptor buffer byte count */
373 uint32_t bufptr; /* Descriptor buffer pointer */
374 uint32_t nextdescptr; /* Next descriptor pointer */
375 #endif
376 uint32_t _padding[4];
377 } __packed;
378
379 struct mvgbe_rx_desc {
380 #if BYTE_ORDER == BIG_ENDIAN
381 uint16_t bytecnt; /* Descriptor buffer byte count */
382 uint16_t bufsize; /* Buffer size */
383 uint32_t cmdsts; /* Descriptor command status */
384 uint32_t nextdescptr; /* Next descriptor pointer */
385 uint32_t bufptr; /* Descriptor buffer pointer */
386 #else /* LITTLE_ENDIAN */
387 uint32_t cmdsts; /* Descriptor command status */
388 uint16_t bufsize; /* Buffer size */
389 uint16_t bytecnt; /* Descriptor buffer byte count */
390 uint32_t bufptr; /* Descriptor buffer pointer */
391 uint32_t nextdescptr; /* Next descriptor pointer */
392 #endif
393 uint32_t _padding[4];
394 } __packed;
395
396 #define MVGBE_ERROR_SUMMARY (1 << 0)
397 #define MVGBE_BUFFER_OWNED_MASK (1 << 31)
398 #define MVGBE_BUFFER_OWNED_BY_HOST (0 << 31)
399 #define MVGBE_BUFFER_OWNED_BY_DMA (1 << 31)
400
401 #define MVGBE_TX_ERROR_CODE_MASK (3 << 1)
402 #define MVGBE_TX_LATE_COLLISION_ERROR (0 << 1)
403 #define MVGBE_TX_UNDERRUN_ERROR (1 << 1)
404 #define MVGBE_TX_EXCESSIVE_COLLISION_ERRO (2 << 1)
405 #define MVGBE_TX_LLC_SNAP_FORMAT (1 << 9)
406 #define MVGBE_TX_IP_NO_FRAG (1 << 10)
407 #define MVGBE_TX_IP_HEADER_LEN(len) ((len) << 11)
408 #define MVGBE_TX_VLAN_TAGGED_FRAME (1 << 15)
409 #define MVGBE_TX_L4_TYPE_TCP (0 << 16)
410 #define MVGBE_TX_L4_TYPE_UDP (1 << 16)
411 #define MVGBE_TX_GENERATE_L4_CHKSUM (1 << 17)
412 #define MVGBE_TX_GENERATE_IP_CHKSUM (1 << 18)
413 #define MVGBE_TX_ZERO_PADDING (1 << 19)
414 #define MVGBE_TX_LAST_DESC (1 << 20)
415 #define MVGBE_TX_FIRST_DESC (1 << 21)
416 #define MVGBE_TX_GENERATE_CRC (1 << 22)
417 #define MVGBE_TX_ENABLE_INTERRUPT (1 << 23)
418 #define MVGBE_TX_AUTO_MODE (1 << 30)
419
420 #define MVGBE_RX_ERROR_CODE_MASK (3 << 1)
421 #define MVGBE_RX_CRC_ERROR (0 << 1)
422 #define MVGBE_RX_OVERRUN_ERROR (1 << 1)
423 #define MVGBE_RX_MAX_FRAME_LEN_ERROR (2 << 1)
424 #define MVGBE_RX_RESOURCE_ERROR (3 << 1)
425 #define MVGBE_RX_L4_CHECKSUM_MASK (0xffff << 3)
426 #define MVGBE_RX_VLAN_TAGGED_FRAME (1 << 19)
427 #define MVGBE_RX_BPDU_FRAME (1 << 20)
428 #define MVGBE_RX_L4_TYPE_MASK (3 << 21)
429 #define MVGBE_RX_L4_TYPE_TCP (0 << 21)
430 #define MVGBE_RX_L4_TYPE_UDP (1 << 21)
431 #define MVGBE_RX_L4_TYPE_OTHER (2 << 21)
432 #define MVGBE_RX_NOT_LLC_SNAP_FORMAT (1 << 23)
433 #define MVGBE_RX_IP_FRAME_TYPE (1 << 24)
434 #define MVGBE_RX_IP_HEADER_OK (1 << 25)
435 #define MVGBE_RX_LAST_DESC (1 << 26)
436 #define MVGBE_RX_FIRST_DESC (1 << 27)
437 #define MVGBE_RX_UNKNOWN_DA (1 << 28)
438 #define MVGBE_RX_ENABLE_INTERRUPT (1 << 29)
439 #define MVGBE_RX_L4_CHECKSUM_OK (1 << 30)
440
441 #define MVGBE_RX_IP_FRAGMENT (1 << 2)
442
443 #endif /* _MVGEREG_H_ */
444