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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 20:43:29 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-20 20:43:29 -0400
commitdb6d8c7a4027b48d797b369a53f8470aaeed7063 (patch)
treee140c104a89abc2154e1f41a7db8ebecbb6fa0b4 /drivers/net/sh_eth.h
parent3a533374283aea50eab3976d8a6d30532175f009 (diff)
parentfb65a7c091529bfffb1262515252c0d0f6241c5c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (1232 commits) iucv: Fix bad merging. net_sched: Add size table for qdiscs net_sched: Add accessor function for packet length for qdiscs net_sched: Add qdisc_enqueue wrapper highmem: Export totalhigh_pages. ipv6 mcast: Omit redundant address family checks in ip6_mc_source(). net: Use standard structures for generic socket address structures. ipv6 netns: Make several "global" sysctl variables namespace aware. netns: Use net_eq() to compare net-namespaces for optimization. ipv6: remove unused macros from net/ipv6.h ipv6: remove unused parameter from ip6_ra_control tcp: fix kernel panic with listening_get_next tcp: Remove redundant checks when setting eff_sacks tcp: options clean up tcp: Fix MD5 signatures for non-linear skbs sctp: Update sctp global memory limit allocations. sctp: remove unnecessary byteshifting, calculate directly in big-endian sctp: Allow only 1 listening socket with SO_REUSEADDR sctp: Do not leak memory on multiple listen() calls sctp: Support ipv6only AF_INET6 sockets. ...
Diffstat (limited to 'drivers/net/sh_eth.h')
-rw-r--r--drivers/net/sh_eth.h464
1 files changed, 464 insertions, 0 deletions
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
new file mode 100644
index 000000000000..e01e1c347715
--- /dev/null
+++ b/drivers/net/sh_eth.h
@@ -0,0 +1,464 @@
1/*
2 * SuperH Ethernet device driver
3 *
4 * Copyright (C) 2006-2008 Nobuhiro Iwamatsu
5 * Copyright (C) 2008 Renesas Solutions Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 */
22
23#ifndef __SH_ETH_H__
24#define __SH_ETH_H__
25
26#include <linux/module.h>
27#include <linux/kernel.h>
28#include <linux/spinlock.h>
29#include <linux/workqueue.h>
30#include <linux/netdevice.h>
31#include <linux/phy.h>
32
33#define CARDNAME "sh-eth"
34#define TX_TIMEOUT (5*HZ)
35
36#define TX_RING_SIZE 128 /* Tx ring size */
37#define RX_RING_SIZE 128 /* Rx ring size */
38#define RX_OFFSET 2 /* skb offset */
39#define ETHERSMALL 60
40#define PKT_BUF_SZ 1538
41
42/* Chip Base Address */
43#define SH_TSU_ADDR 0xA7000804
44
45/* Chip Registers */
46/* E-DMAC */
47#define EDMR 0x0000
48#define EDTRR 0x0004
49#define EDRRR 0x0008
50#define TDLAR 0x000C
51#define RDLAR 0x0010
52#define EESR 0x0014
53#define EESIPR 0x0018
54#define TRSCER 0x001C
55#define RMFCR 0x0020
56#define TFTR 0x0024
57#define FDR 0x0028
58#define RMCR 0x002C
59#define EDOCR 0x0030
60#define FCFTR 0x0034
61#define RPADIR 0x0038
62#define TRIMD 0x003C
63#define RBWAR 0x0040
64#define RDFAR 0x0044
65#define TBRAR 0x004C
66#define TDFAR 0x0050
67/* Ether Register */
68#define ECMR 0x0160
69#define ECSR 0x0164
70#define ECSIPR 0x0168
71#define PIR 0x016C
72#define MAHR 0x0170
73#define MALR 0x0174
74#define RFLR 0x0178
75#define PSR 0x017C
76#define TROCR 0x0180
77#define CDCR 0x0184
78#define LCCR 0x0188
79#define CNDCR 0x018C
80#define CEFCR 0x0194
81#define FRECR 0x0198
82#define TSFRCR 0x019C
83#define TLFRCR 0x01A0
84#define RFCR 0x01A4
85#define MAFCR 0x01A8
86#define IPGR 0x01B4
87#if defined(CONFIG_CPU_SUBTYPE_SH7710)
88#define APR 0x01B8
89#define MPR 0x01BC
90#define TPAUSER 0x1C4
91#define BCFR 0x1CC
92#endif /* CONFIG_CPU_SH7710 */
93
94#define ARSTR 0x0800
95
96/* TSU */
97#define TSU_CTRST 0x004
98#define TSU_FWEN0 0x010
99#define TSU_FWEN1 0x014
100#define TSU_FCM 0x018
101#define TSU_BSYSL0 0x020
102#define TSU_BSYSL1 0x024
103#define TSU_PRISL0 0x028
104#define TSU_PRISL1 0x02C
105#define TSU_FWSL0 0x030
106#define TSU_FWSL1 0x034
107#define TSU_FWSLC 0x038
108#define TSU_QTAGM0 0x040
109#define TSU_QTAGM1 0x044
110#define TSU_ADQT0 0x048
111#define TSU_ADQT1 0x04C
112#define TSU_FWSR 0x050
113#define TSU_FWINMK 0x054
114#define TSU_ADSBSY 0x060
115#define TSU_TEN 0x064
116#define TSU_POST1 0x070
117#define TSU_POST2 0x074
118#define TSU_POST3 0x078
119#define TSU_POST4 0x07C
120#define TXNLCR0 0x080
121#define TXALCR0 0x084
122#define RXNLCR0 0x088
123#define RXALCR0 0x08C
124#define FWNLCR0 0x090
125#define FWALCR0 0x094
126#define TXNLCR1 0x0A0
127#define TXALCR1 0x0A4
128#define RXNLCR1 0x0A8
129#define RXALCR1 0x0AC
130#define FWNLCR1 0x0B0
131#define FWALCR1 0x0B4
132
133#define TSU_ADRH0 0x0100
134#define TSU_ADRL0 0x0104
135#define TSU_ADRL31 0x01FC
136
137/* Register's bits */
138
139/* EDMR */
140enum DMAC_M_BIT {
141 EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, EDMR_SRST = 0x01,
142};
143
144/* EDTRR */
145enum DMAC_T_BIT {
146 EDTRR_TRNS = 0x01,
147};
148
149/* EDRRR*/
150enum EDRRR_R_BIT {
151 EDRRR_R = 0x01,
152};
153
154/* TPAUSER */
155enum TPAUSER_BIT {
156 TPAUSER_TPAUSE = 0x0000ffff,
157 TPAUSER_UNLIMITED = 0,
158};
159
160/* BCFR */
161enum BCFR_BIT {
162 BCFR_RPAUSE = 0x0000ffff,
163 BCFR_UNLIMITED = 0,
164};
165
166/* PIR */
167enum PIR_BIT {
168 PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
169};
170
171/* PSR */
172enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
173
174/* EESR */
175enum EESR_BIT {
176 EESR_TWB = 0x40000000, EESR_TABT = 0x04000000,
177 EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000,
178 EESR_ADE = 0x00800000, EESR_ECI = 0x00400000,
179 EESR_FTC = 0x00200000, EESR_TDE = 0x00100000,
180 EESR_TFE = 0x00080000, EESR_FRC = 0x00040000,
181 EESR_RDE = 0x00020000, EESR_RFE = 0x00010000,
182 EESR_TINT4 = 0x00000800, EESR_TINT3 = 0x00000400,
183 EESR_TINT2 = 0x00000200, EESR_TINT1 = 0x00000100,
184 EESR_RINT8 = 0x00000080, EESR_RINT5 = 0x00000010,
185 EESR_RINT4 = 0x00000008, EESR_RINT3 = 0x00000004,
186 EESR_RINT2 = 0x00000002, EESR_RINT1 = 0x00000001,
187};
188
189#define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
190 | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI)
191
192/* EESIPR */
193enum DMAC_IM_BIT {
194 DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
195 DMAC_M_RABT = 0x02000000,
196 DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
197 DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
198 DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
199 DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
200 DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
201 DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
202 DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
203 DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
204 DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
205 DMAC_M_RINT1 = 0x00000001,
206};
207
208/* Receive descriptor bit */
209enum RD_STS_BIT {
210 RD_RACT = 0x80000000, RC_RDEL = 0x40000000,
211 RC_RFP1 = 0x20000000, RC_RFP0 = 0x10000000,
212 RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
213 RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
214 RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
215 RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
216 RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
217 RD_RFS1 = 0x00000001,
218};
219#define RDF1ST RC_RFP1
220#define RDFEND RC_RFP0
221#define RD_RFP (RC_RFP1|RC_RFP0)
222
223/* FCFTR */
224enum FCFTR_BIT {
225 FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
226 FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
227 FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
228};
229#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
230#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
231
232/* Transfer descriptor bit */
233enum TD_STS_BIT {
234 TD_TACT = 0x80000000, TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
235 TD_TFP0 = 0x10000000,
236};
237#define TDF1ST TD_TFP1
238#define TDFEND TD_TFP0
239#define TD_TFP (TD_TFP1|TD_TFP0)
240
241/* RMCR */
242enum RECV_RST_BIT { RMCR_RST = 0x01, };
243/* ECMR */
244enum FELIC_MODE_BIT {
245 ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
246 ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
247 ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
248 ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002,
249 ECMR_PRM = 0x00000001,
250};
251
252/* ECSR */
253enum ECSR_STATUS_BIT {
254 ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, ECSR_LCHNG = 0x04,
255 ECSR_MPD = 0x02, ECSR_ICD = 0x01,
256};
257
258/* ECSIPR */
259enum ECSIPR_STATUS_MASK_BIT {
260 ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, ECSIPR_LCHNGIP = 0x04,
261 ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
262};
263
264/* APR */
265enum APR_BIT {
266 APR_AP = 0x00000001,
267};
268
269/* MPR */
270enum MPR_BIT {
271 MPR_MP = 0x00000001,
272};
273
274/* TRSCER */
275enum DESC_I_BIT {
276 DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
277 DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
278 DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
279 DESC_I_RINT1 = 0x0001,
280};
281
282/* RPADIR */
283enum RPADIR_BIT {
284 RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
285 RPADIR_PADR = 0x0003f,
286};
287
288/* FDR */
289enum FIFO_SIZE_BIT {
290 FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
291};
292enum phy_offsets {
293 PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
294 PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6,
295 PHY_16 = 16,
296};
297
298/* PHY_CTRL */
299enum PHY_CTRL_BIT {
300 PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000,
301 PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400,
302 PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080,
303};
304#define DM9161_PHY_C_ANEGEN 0 /* auto nego special */
305
306/* PHY_STAT */
307enum PHY_STAT_BIT {
308 PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000,
309 PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020,
310 PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004,
311 PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001,
312};
313
314/* PHY_ANA */
315enum PHY_ANA_BIT {
316 PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000,
317 PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100,
318 PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020,
319 PHY_A_SEL = 0x001f,
320};
321/* PHY_ANL */
322enum PHY_ANL_BIT {
323 PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000,
324 PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100,
325 PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020,
326 PHY_L_SEL = 0x001f,
327};
328
329/* PHY_ANE */
330enum PHY_ANE_BIT {
331 PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004,
332 PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001,
333};
334
335/* DM9161 */
336enum PHY_16_BIT {
337 PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000,
338 PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800,
339 PHY_16_TXselect = 0x0400,
340 PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100,
341 PHY_16_Force100LNK = 0x0080,
342 PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020,
343 PHY_16_RPDCTR_EN = 0x0010,
344 PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004,
345 PHY_16_Sleepmode = 0x0002,
346 PHY_16_RemoteLoopOut = 0x0001,
347};
348
349#define POST_RX 0x08
350#define POST_FW 0x04
351#define POST0_RX (POST_RX)
352#define POST0_FW (POST_FW)
353#define POST1_RX (POST_RX >> 2)
354#define POST1_FW (POST_FW >> 2)
355#define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW)
356
357/* ARSTR */
358enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, };
359
360/* TSU_FWEN0 */
361enum TSU_FWEN0_BIT {
362 TSU_FWEN0_0 = 0x00000001,
363};
364
365/* TSU_ADSBSY */
366enum TSU_ADSBSY_BIT {
367 TSU_ADSBSY_0 = 0x00000001,
368};
369
370/* TSU_TEN */
371enum TSU_TEN_BIT {
372 TSU_TEN_0 = 0x80000000,
373};
374
375/* TSU_FWSL0 */
376enum TSU_FWSL0_BIT {
377 TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800,
378 TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200,
379 TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010,
380};
381
382/* TSU_FWSLC */
383enum TSU_FWSLC_BIT {
384 TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000,
385 TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040,
386 TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010,
387 TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004,
388 TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001,
389};
390
391/*
392 * The sh ether Tx buffer descriptors.
393 * This structure should be 20 bytes.
394 */
395struct sh_eth_txdesc {
396 u32 status; /* TD0 */
397#if defined(CONFIG_CPU_LITTLE_ENDIAN)
398 u16 pad0; /* TD1 */
399 u16 buffer_length; /* TD1 */
400#else
401 u16 buffer_length; /* TD1 */
402 u16 pad0; /* TD1 */
403#endif
404 u32 addr; /* TD2 */
405 u32 pad1; /* padding data */
406};
407
408/*
409 * The sh ether Rx buffer descriptors.
410 * This structure should be 20 bytes.
411 */
412struct sh_eth_rxdesc {
413 u32 status; /* RD0 */
414#if defined(CONFIG_CPU_LITTLE_ENDIAN)
415 u16 frame_length; /* RD1 */
416 u16 buffer_length; /* RD1 */
417#else
418 u16 buffer_length; /* RD1 */
419 u16 frame_length; /* RD1 */
420#endif
421 u32 addr; /* RD2 */
422 u32 pad0; /* padding data */
423};
424
425struct sh_eth_private {
426 dma_addr_t rx_desc_dma;
427 dma_addr_t tx_desc_dma;
428 struct sh_eth_rxdesc *rx_ring;
429 struct sh_eth_txdesc *tx_ring;
430 struct sk_buff **rx_skbuff;
431 struct sk_buff **tx_skbuff;
432 struct net_device_stats stats;
433 struct timer_list timer;
434 spinlock_t lock;
435 u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */
436 u32 cur_tx, dirty_tx;
437 u32 rx_buf_sz; /* Based on MTU+slack. */
438 /* MII transceiver section. */
439 u32 phy_id; /* PHY ID */
440 struct mii_bus *mii_bus; /* MDIO bus control */
441 struct phy_device *phydev; /* PHY device control */
442 enum phy_state link;
443 int msg_enable;
444 int speed;
445 int duplex;
446 u32 rx_int_var, tx_int_var; /* interrupt control variables */
447 char post_rx; /* POST receive */
448 char post_fw; /* POST forward */
449 struct net_device_stats tsu_stats; /* TSU forward status */
450};
451
452static void swaps(char *src, int len)
453{
454#ifdef __LITTLE_ENDIAN__
455 u32 *p = (u32 *)src;
456 u32 *maxp;
457 maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32));
458
459 for (; p < maxp; p++)
460 *p = swab32(*p);
461#endif
462}
463
464#endif