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drm/i915: Move non-phys cursors into the GTT
[linux/fpc-iii.git] / drivers / net / netxen / netxen_nic_hw.c
blob5c496f8d7c497f16c5a17fe7398794efdca550b3
1 /*
2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
4 * All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 * MA 02111-1307, USA.
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called "COPYING".
23 *
24 */
25
26 #include <linux/slab.h>
27 #include "netxen_nic.h"
28 #include "netxen_nic_hw.h"
29
30 #include <net/ip.h>
31
32 #define MASK(n) ((1ULL<<(n))-1)
33 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
34 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
35 #define MS_WIN(addr) (addr & 0x0ffc0000)
36
37 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
38
39 #define CRB_BLK(off) ((off >> 20) & 0x3f)
40 #define CRB_SUBBLK(off) ((off >> 16) & 0xf)
41 #define CRB_WINDOW_2M (0x130060)
42 #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
43 #define CRB_INDIRECT_2M (0x1e0000UL)
44
45 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
46 void __iomem *addr, u32 data);
47 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
48 void __iomem *addr);
49
50 #ifndef readq
51 static inline u64 readq(void __iomem *addr)
52 {
53 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
54 }
55 #endif
56
57 #ifndef writeq
58 static inline void writeq(u64 val, void __iomem *addr)
59 {
60 writel(((u32) (val)), (addr));
61 writel(((u32) (val >> 32)), (addr + 4));
62 }
63 #endif
64
65 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \
66 ((adapter)->ahw.pci_base0 + (off))
67 #define PCI_OFFSET_SECOND_RANGE(adapter, off) \
68 ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START)
69 #define PCI_OFFSET_THIRD_RANGE(adapter, off) \
70 ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START)
71
72 static void __iomem *pci_base_offset(struct netxen_adapter *adapter,
73 unsigned long off)
74 {
75 if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END))
76 return PCI_OFFSET_FIRST_RANGE(adapter, off);
77
78 if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END))
79 return PCI_OFFSET_SECOND_RANGE(adapter, off);
80
81 if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END))
82 return PCI_OFFSET_THIRD_RANGE(adapter, off);
83
84 return NULL;
85 }
86
87 static crb_128M_2M_block_map_t
88 crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
89 {{{0, 0, 0, 0} } }, /* 0: PCI */
90 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
91 {1, 0x0110000, 0x0120000, 0x130000},
92 {1, 0x0120000, 0x0122000, 0x124000},
93 {1, 0x0130000, 0x0132000, 0x126000},
94 {1, 0x0140000, 0x0142000, 0x128000},
95 {1, 0x0150000, 0x0152000, 0x12a000},
96 {1, 0x0160000, 0x0170000, 0x110000},
97 {1, 0x0170000, 0x0172000, 0x12e000},
98 {0, 0x0000000, 0x0000000, 0x000000},
99 {0, 0x0000000, 0x0000000, 0x000000},
100 {0, 0x0000000, 0x0000000, 0x000000},
101 {0, 0x0000000, 0x0000000, 0x000000},
102 {0, 0x0000000, 0x0000000, 0x000000},
103 {0, 0x0000000, 0x0000000, 0x000000},
104 {1, 0x01e0000, 0x01e0800, 0x122000},
105 {0, 0x0000000, 0x0000000, 0x000000} } },
106 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
107 {{{0, 0, 0, 0} } }, /* 3: */
108 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
109 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
110 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
111 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
112 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
113 {0, 0x0000000, 0x0000000, 0x000000},
114 {0, 0x0000000, 0x0000000, 0x000000},
115 {0, 0x0000000, 0x0000000, 0x000000},
116 {0, 0x0000000, 0x0000000, 0x000000},
117 {0, 0x0000000, 0x0000000, 0x000000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {0, 0x0000000, 0x0000000, 0x000000},
125 {0, 0x0000000, 0x0000000, 0x000000},
126 {0, 0x0000000, 0x0000000, 0x000000},
127 {1, 0x08f0000, 0x08f2000, 0x172000} } },
128 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
129 {0, 0x0000000, 0x0000000, 0x000000},
130 {0, 0x0000000, 0x0000000, 0x000000},
131 {0, 0x0000000, 0x0000000, 0x000000},
132 {0, 0x0000000, 0x0000000, 0x000000},
133 {0, 0x0000000, 0x0000000, 0x000000},
134 {0, 0x0000000, 0x0000000, 0x000000},
135 {0, 0x0000000, 0x0000000, 0x000000},
136 {0, 0x0000000, 0x0000000, 0x000000},
137 {0, 0x0000000, 0x0000000, 0x000000},
138 {0, 0x0000000, 0x0000000, 0x000000},
139 {0, 0x0000000, 0x0000000, 0x000000},
140 {0, 0x0000000, 0x0000000, 0x000000},
141 {0, 0x0000000, 0x0000000, 0x000000},
142 {0, 0x0000000, 0x0000000, 0x000000},
143 {1, 0x09f0000, 0x09f2000, 0x176000} } },
144 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
145 {0, 0x0000000, 0x0000000, 0x000000},
146 {0, 0x0000000, 0x0000000, 0x000000},
147 {0, 0x0000000, 0x0000000, 0x000000},
148 {0, 0x0000000, 0x0000000, 0x000000},
149 {0, 0x0000000, 0x0000000, 0x000000},
150 {0, 0x0000000, 0x0000000, 0x000000},
151 {0, 0x0000000, 0x0000000, 0x000000},
152 {0, 0x0000000, 0x0000000, 0x000000},
153 {0, 0x0000000, 0x0000000, 0x000000},
154 {0, 0x0000000, 0x0000000, 0x000000},
155 {0, 0x0000000, 0x0000000, 0x000000},
156 {0, 0x0000000, 0x0000000, 0x000000},
157 {0, 0x0000000, 0x0000000, 0x000000},
158 {0, 0x0000000, 0x0000000, 0x000000},
159 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
160 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000},
167 {0, 0x0000000, 0x0000000, 0x000000},
168 {0, 0x0000000, 0x0000000, 0x000000},
169 {0, 0x0000000, 0x0000000, 0x000000},
170 {0, 0x0000000, 0x0000000, 0x000000},
171 {0, 0x0000000, 0x0000000, 0x000000},
172 {0, 0x0000000, 0x0000000, 0x000000},
173 {0, 0x0000000, 0x0000000, 0x000000},
174 {0, 0x0000000, 0x0000000, 0x000000},
175 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
176 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
177 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
178 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
179 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
180 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
181 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
182 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
183 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
184 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
185 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
186 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
187 {{{0, 0, 0, 0} } }, /* 23: */
188 {{{0, 0, 0, 0} } }, /* 24: */
189 {{{0, 0, 0, 0} } }, /* 25: */
190 {{{0, 0, 0, 0} } }, /* 26: */
191 {{{0, 0, 0, 0} } }, /* 27: */
192 {{{0, 0, 0, 0} } }, /* 28: */
193 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
194 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
195 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
196 {{{0} } }, /* 32: PCI */
197 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
198 {1, 0x2110000, 0x2120000, 0x130000},
199 {1, 0x2120000, 0x2122000, 0x124000},
200 {1, 0x2130000, 0x2132000, 0x126000},
201 {1, 0x2140000, 0x2142000, 0x128000},
202 {1, 0x2150000, 0x2152000, 0x12a000},
203 {1, 0x2160000, 0x2170000, 0x110000},
204 {1, 0x2170000, 0x2172000, 0x12e000},
205 {0, 0x0000000, 0x0000000, 0x000000},
206 {0, 0x0000000, 0x0000000, 0x000000},
207 {0, 0x0000000, 0x0000000, 0x000000},
208 {0, 0x0000000, 0x0000000, 0x000000},
209 {0, 0x0000000, 0x0000000, 0x000000},
210 {0, 0x0000000, 0x0000000, 0x000000},
211 {0, 0x0000000, 0x0000000, 0x000000},
212 {0, 0x0000000, 0x0000000, 0x000000} } },
213 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
214 {{{0} } }, /* 35: */
215 {{{0} } }, /* 36: */
216 {{{0} } }, /* 37: */
217 {{{0} } }, /* 38: */
218 {{{0} } }, /* 39: */
219 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
220 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
221 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
222 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
223 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
224 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
225 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
226 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
227 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
228 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
229 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
230 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
231 {{{0} } }, /* 52: */
232 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
233 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
234 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
235 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
236 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
237 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
238 {{{0} } }, /* 59: I2C0 */
239 {{{0} } }, /* 60: I2C1 */
240 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
241 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
242 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
243 };
244
245 /*
246 * top 12 bits of crb internal address (hub, agent)
247 */
248 static unsigned crb_hub_agt[64] =
249 {
250 0,
251 NETXEN_HW_CRB_HUB_AGT_ADR_PS,
252 NETXEN_HW_CRB_HUB_AGT_ADR_MN,
253 NETXEN_HW_CRB_HUB_AGT_ADR_MS,
254 0,
255 NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
256 NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
257 NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
258 NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
259 NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
260 NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
261 NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
262 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
263 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
264 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
265 NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
266 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
267 NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
268 NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
269 NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
270 NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
271 NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
272 NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
273 NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
274 NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
275 NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
276 NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
277 0,
278 NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
279 NETXEN_HW_CRB_HUB_AGT_ADR_SN,
280 0,
281 NETXEN_HW_CRB_HUB_AGT_ADR_EG,
282 0,
283 NETXEN_HW_CRB_HUB_AGT_ADR_PS,
284 NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
285 0,
286 0,
287 0,
288 0,
289 0,
290 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
291 0,
292 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
293 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
294 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
295 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
296 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
297 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
298 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
299 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
300 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
301 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
302 0,
303 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
304 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
305 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
306 NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
307 0,
308 NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
309 NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
310 NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
311 0,
312 NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
313 0,
314 };
315
316 /* PCI Windowing for DDR regions. */
317
318 #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
319
320 #define NETXEN_PCIE_SEM_TIMEOUT 10000
321
322 int
323 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
324 {
325 int done = 0, timeout = 0;
326
327 while (!done) {
328 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem)));
329 if (done == 1)
330 break;
331 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
332 return -EIO;
333 msleep(1);
334 }
335
336 if (id_reg)
337 NXWR32(adapter, id_reg, adapter->portnum);
338
339 return 0;
340 }
341
342 void
343 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem)
344 {
345 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
346 }
347
348 int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
349 {
350 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
351 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
352 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
353 }
354
355 return 0;
356 }
357
358 /* Disable an XG interface */
359 int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
360 {
361 __u32 mac_cfg;
362 u32 port = adapter->physical_port;
363
364 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
365 return 0;
366
367 if (port > NETXEN_NIU_MAX_XG_PORTS)
368 return -EINVAL;
369
370 mac_cfg = 0;
371 if (NXWR32(adapter,
372 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg))
373 return -EIO;
374 return 0;
375 }
376
377 #define NETXEN_UNICAST_ADDR(port, index) \
378 (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
379 #define NETXEN_MCAST_ADDR(port, index) \
380 (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
381 #define MAC_HI(addr) \
382 ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
383 #define MAC_LO(addr) \
384 ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
385
386 int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
387 {
388 u32 mac_cfg;
389 u32 cnt = 0;
390 __u32 reg = 0x0200;
391 u32 port = adapter->physical_port;
392 u16 board_type = adapter->ahw.board_type;
393
394 if (port > NETXEN_NIU_MAX_XG_PORTS)
395 return -EINVAL;
396
397 mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
398 mac_cfg &= ~0x4;
399 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
400
401 if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
402 (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
403 reg = (0x20 << port);
404
405 NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
406
407 mdelay(10);
408
409 while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
410 mdelay(10);
411
412 if (cnt < 20) {
413
414 reg = NXRD32(adapter,
415 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
416
417 if (mode == NETXEN_NIU_PROMISC_MODE)
418 reg = (reg | 0x2000UL);
419 else
420 reg = (reg & ~0x2000UL);
421
422 if (mode == NETXEN_NIU_ALLMULTI_MODE)
423 reg = (reg | 0x1000UL);
424 else
425 reg = (reg & ~0x1000UL);
426
427 NXWR32(adapter,
428 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
429 }
430
431 mac_cfg |= 0x4;
432 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
433
434 return 0;
435 }
436
437 int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
438 {
439 u32 mac_hi, mac_lo;
440 u32 reg_hi, reg_lo;
441
442 u8 phy = adapter->physical_port;
443
444 if (phy >= NETXEN_NIU_MAX_XG_PORTS)
445 return -EINVAL;
446
447 mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24);
448 mac_hi = addr[2] | ((u32)addr[3] << 8) |
449 ((u32)addr[4] << 16) | ((u32)addr[5] << 24);
450
451 reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy);
452 reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy);
453
454 /* write twice to flush */
455 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
456 return -EIO;
457 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
458 return -EIO;
459
460 return 0;
461 }
462
463 static int
464 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
465 {
466 u32 val = 0;
467 u16 port = adapter->physical_port;
468 u8 *addr = adapter->mac_addr;
469
470 if (adapter->mc_enabled)
471 return 0;
472
473 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
474 val |= (1UL << (28+port));
475 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
476
477 /* add broadcast addr to filter */
478 val = 0xffffff;
479 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
480 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
481
482 /* add station addr to filter */
483 val = MAC_HI(addr);
484 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
485 val = MAC_LO(addr);
486 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val);
487
488 adapter->mc_enabled = 1;
489 return 0;
490 }
491
492 static int
493 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
494 {
495 u32 val = 0;
496 u16 port = adapter->physical_port;
497 u8 *addr = adapter->mac_addr;
498
499 if (!adapter->mc_enabled)
500 return 0;
501
502 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
503 val &= ~(1UL << (28+port));
504 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
505
506 val = MAC_HI(addr);
507 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
508 val = MAC_LO(addr);
509 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
510
511 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
512 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
513
514 adapter->mc_enabled = 0;
515 return 0;
516 }
517
518 static int
519 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
520 int index, u8 *addr)
521 {
522 u32 hi = 0, lo = 0;
523 u16 port = adapter->physical_port;
524
525 lo = MAC_LO(addr);
526 hi = MAC_HI(addr);
527
528 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi);
529 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo);
530
531 return 0;
532 }
533
534 void netxen_p2_nic_set_multi(struct net_device *netdev)
535 {
536 struct netxen_adapter *adapter = netdev_priv(netdev);
537 struct netdev_hw_addr *ha;
538 u8 null_addr[6];
539 int i;
540
541 memset(null_addr, 0, 6);
542
543 if (netdev->flags & IFF_PROMISC) {
544
545 adapter->set_promisc(adapter,
546 NETXEN_NIU_PROMISC_MODE);
547
548 /* Full promiscuous mode */
549 netxen_nic_disable_mcast_filter(adapter);
550
551 return;
552 }
553
554 if (netdev_mc_empty(netdev)) {
555 adapter->set_promisc(adapter,
556 NETXEN_NIU_NON_PROMISC_MODE);
557 netxen_nic_disable_mcast_filter(adapter);
558 return;
559 }
560
561 adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
562 if (netdev->flags & IFF_ALLMULTI ||
563 netdev_mc_count(netdev) > adapter->max_mc_count) {
564 netxen_nic_disable_mcast_filter(adapter);
565 return;
566 }
567
568 netxen_nic_enable_mcast_filter(adapter);
569
570 i = 0;
571 netdev_for_each_mc_addr(ha, netdev)
572 netxen_nic_set_mcast_addr(adapter, i++, ha->addr);
573
574 /* Clear out remaining addresses */
575 while (i < adapter->max_mc_count)
576 netxen_nic_set_mcast_addr(adapter, i++, null_addr);
577 }
578
579 static int
580 netxen_send_cmd_descs(struct netxen_adapter *adapter,
581 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
582 {
583 u32 i, producer, consumer;
584 struct netxen_cmd_buffer *pbuf;
585 struct cmd_desc_type0 *cmd_desc;
586 struct nx_host_tx_ring *tx_ring;
587
588 i = 0;
589
590 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
591 return -EIO;
592
593 tx_ring = adapter->tx_ring;
594 __netif_tx_lock_bh(tx_ring->txq);
595
596 producer = tx_ring->producer;
597 consumer = tx_ring->sw_consumer;
598
599 if (nr_desc >= netxen_tx_avail(tx_ring)) {
600 netif_tx_stop_queue(tx_ring->txq);
601 __netif_tx_unlock_bh(tx_ring->txq);
602 return -EBUSY;
603 }
604
605 do {
606 cmd_desc = &cmd_desc_arr[i];
607
608 pbuf = &tx_ring->cmd_buf_arr[producer];
609 pbuf->skb = NULL;
610 pbuf->frag_count = 0;
611
612 memcpy(&tx_ring->desc_head[producer],
613 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
614
615 producer = get_next_index(producer, tx_ring->num_desc);
616 i++;
617
618 } while (i != nr_desc);
619
620 tx_ring->producer = producer;
621
622 netxen_nic_update_cmd_producer(adapter, tx_ring);
623
624 __netif_tx_unlock_bh(tx_ring->txq);
625
626 return 0;
627 }
628
629 static int
630 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op)
631 {
632 nx_nic_req_t req;
633 nx_mac_req_t *mac_req;
634 u64 word;
635
636 memset(&req, 0, sizeof(nx_nic_req_t));
637 req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23);
638
639 word = NX_MAC_EVENT | ((u64)adapter->portnum << 16);
640 req.req_hdr = cpu_to_le64(word);
641
642 mac_req = (nx_mac_req_t *)&req.words[0];
643 mac_req->op = op;
644 memcpy(mac_req->mac_addr, addr, 6);
645
646 return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
647 }
648
649 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
650 u8 *addr, struct list_head *del_list)
651 {
652 struct list_head *head;
653 nx_mac_list_t *cur;
654
655 /* look up if already exists */
656 list_for_each(head, del_list) {
657 cur = list_entry(head, nx_mac_list_t, list);
658
659 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
660 list_move_tail(head, &adapter->mac_list);
661 return 0;
662 }
663 }
664
665 cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC);
666 if (cur == NULL) {
667 printk(KERN_ERR "%s: failed to add mac address filter\n",
668 adapter->netdev->name);
669 return -ENOMEM;
670 }
671 memcpy(cur->mac_addr, addr, ETH_ALEN);
672 list_add_tail(&cur->list, &adapter->mac_list);
673 return nx_p3_sre_macaddr_change(adapter,
674 cur->mac_addr, NETXEN_MAC_ADD);
675 }
676
677 void netxen_p3_nic_set_multi(struct net_device *netdev)
678 {
679 struct netxen_adapter *adapter = netdev_priv(netdev);
680 struct netdev_hw_addr *ha;
681 u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
682 u32 mode = VPORT_MISS_MODE_DROP;
683 LIST_HEAD(del_list);
684 struct list_head *head;
685 nx_mac_list_t *cur;
686
687 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
688 return;
689
690 list_splice_tail_init(&adapter->mac_list, &del_list);
691
692 nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list);
693 nx_p3_nic_add_mac(adapter, bcast_addr, &del_list);
694
695 if (netdev->flags & IFF_PROMISC) {
696 mode = VPORT_MISS_MODE_ACCEPT_ALL;
697 goto send_fw_cmd;
698 }
699
700 if ((netdev->flags & IFF_ALLMULTI) ||
701 (netdev_mc_count(netdev) > adapter->max_mc_count)) {
702 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
703 goto send_fw_cmd;
704 }
705
706 if (!netdev_mc_empty(netdev)) {
707 netdev_for_each_mc_addr(ha, netdev)
708 nx_p3_nic_add_mac(adapter, ha->addr, &del_list);
709 }
710
711 send_fw_cmd:
712 adapter->set_promisc(adapter, mode);
713 head = &del_list;
714 while (!list_empty(head)) {
715 cur = list_entry(head->next, nx_mac_list_t, list);
716
717 nx_p3_sre_macaddr_change(adapter,
718 cur->mac_addr, NETXEN_MAC_DEL);
719 list_del(&cur->list);
720 kfree(cur);
721 }
722 }
723
724 int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
725 {
726 nx_nic_req_t req;
727 u64 word;
728
729 memset(&req, 0, sizeof(nx_nic_req_t));
730
731 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
732
733 word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
734 ((u64)adapter->portnum << 16);
735 req.req_hdr = cpu_to_le64(word);
736
737 req.words[0] = cpu_to_le64(mode);
738
739 return netxen_send_cmd_descs(adapter,
740 (struct cmd_desc_type0 *)&req, 1);
741 }
742
743 void netxen_p3_free_mac_list(struct netxen_adapter *adapter)
744 {
745 nx_mac_list_t *cur;
746 struct list_head *head = &adapter->mac_list;
747
748 while (!list_empty(head)) {
749 cur = list_entry(head->next, nx_mac_list_t, list);
750 nx_p3_sre_macaddr_change(adapter,
751 cur->mac_addr, NETXEN_MAC_DEL);
752 list_del(&cur->list);
753 kfree(cur);
754 }
755 }
756
757 int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
758 {
759 /* assuming caller has already copied new addr to netdev */
760 netxen_p3_nic_set_multi(adapter->netdev);
761 return 0;
762 }
763
764 #define NETXEN_CONFIG_INTR_COALESCE 3
765
766 /*
767 * Send the interrupt coalescing parameter set by ethtool to the card.
768 */
769 int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
770 {
771 nx_nic_req_t req;
772 u64 word[6];
773 int rv, i;
774
775 memset(&req, 0, sizeof(nx_nic_req_t));
776 memset(word, 0, sizeof(word));
777
778 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
779
780 word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
781 req.req_hdr = cpu_to_le64(word[0]);
782
783 memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
784 for (i = 0; i < 6; i++)
785 req.words[i] = cpu_to_le64(word[i]);
786
787 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
788 if (rv != 0) {
789 printk(KERN_ERR "ERROR. Could not send "
790 "interrupt coalescing parameters\n");
791 }
792
793 return rv;
794 }
795
796 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
797 {
798 nx_nic_req_t req;
799 u64 word;
800 int rv = 0;
801
802 if ((adapter->flags & NETXEN_NIC_LRO_ENABLED) == enable)
803 return 0;
804
805 memset(&req, 0, sizeof(nx_nic_req_t));
806
807 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
808
809 word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
810 req.req_hdr = cpu_to_le64(word);
811
812 req.words[0] = cpu_to_le64(enable);
813
814 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
815 if (rv != 0) {
816 printk(KERN_ERR "ERROR. Could not send "
817 "configure hw lro request\n");
818 }
819
820 adapter->flags ^= NETXEN_NIC_LRO_ENABLED;
821
822 return rv;
823 }
824
825 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable)
826 {
827 nx_nic_req_t req;
828 u64 word;
829 int rv = 0;
830
831 if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable)
832 return rv;
833
834 memset(&req, 0, sizeof(nx_nic_req_t));
835
836 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
837
838 word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING |
839 ((u64)adapter->portnum << 16);
840 req.req_hdr = cpu_to_le64(word);
841
842 req.words[0] = cpu_to_le64(enable);
843
844 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
845 if (rv != 0) {
846 printk(KERN_ERR "ERROR. Could not send "
847 "configure bridge mode request\n");
848 }
849
850 adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED;
851
852 return rv;
853 }
854
855
856 #define RSS_HASHTYPE_IP_TCP 0x3
857
858 int netxen_config_rss(struct netxen_adapter *adapter, int enable)
859 {
860 nx_nic_req_t req;
861 u64 word;
862 int i, rv;
863
864 u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
865 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
866 0x255b0ec26d5a56daULL };
867
868
869 memset(&req, 0, sizeof(nx_nic_req_t));
870 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
871
872 word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
873 req.req_hdr = cpu_to_le64(word);
874
875 /*
876 * RSS request:
877 * bits 3-0: hash_method
878 * 5-4: hash_type_ipv4
879 * 7-6: hash_type_ipv6
880 * 8: enable
881 * 9: use indirection table
882 * 47-10: reserved
883 * 63-48: indirection table mask
884 */
885 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
886 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
887 ((u64)(enable & 0x1) << 8) |
888 ((0x7ULL) << 48);
889 req.words[0] = cpu_to_le64(word);
890 for (i = 0; i < 5; i++)
891 req.words[i+1] = cpu_to_le64(key[i]);
892
893
894 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
895 if (rv != 0) {
896 printk(KERN_ERR "%s: could not configure RSS\n",
897 adapter->netdev->name);
898 }
899
900 return rv;
901 }
902
903 int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd)
904 {
905 nx_nic_req_t req;
906 u64 word;
907 int rv;
908
909 memset(&req, 0, sizeof(nx_nic_req_t));
910 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
911
912 word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
913 req.req_hdr = cpu_to_le64(word);
914
915 req.words[0] = cpu_to_le64(cmd);
916 req.words[1] = cpu_to_le64(ip);
917
918 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
919 if (rv != 0) {
920 printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n",
921 adapter->netdev->name,
922 (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
923 }
924 return rv;
925 }
926
927 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
928 {
929 nx_nic_req_t req;
930 u64 word;
931 int rv;
932
933 memset(&req, 0, sizeof(nx_nic_req_t));
934 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
935
936 word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
937 req.req_hdr = cpu_to_le64(word);
938 req.words[0] = cpu_to_le64(enable | (enable << 8));
939
940 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
941 if (rv != 0) {
942 printk(KERN_ERR "%s: could not configure link notification\n",
943 adapter->netdev->name);
944 }
945
946 return rv;
947 }
948
949 int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
950 {
951 nx_nic_req_t req;
952 u64 word;
953 int rv;
954
955 memset(&req, 0, sizeof(nx_nic_req_t));
956 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
957
958 word = NX_NIC_H2C_OPCODE_LRO_REQUEST |
959 ((u64)adapter->portnum << 16) |
960 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ;
961
962 req.req_hdr = cpu_to_le64(word);
963
964 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
965 if (rv != 0) {
966 printk(KERN_ERR "%s: could not cleanup lro flows\n",
967 adapter->netdev->name);
968 }
969 return rv;
970 }
971
972 /*
973 * netxen_nic_change_mtu - Change the Maximum Transfer Unit
974 * @returns 0 on success, negative on failure
975 */
976
977 #define MTU_FUDGE_FACTOR 100
978
979 int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
980 {
981 struct netxen_adapter *adapter = netdev_priv(netdev);
982 int max_mtu;
983 int rc = 0;
984
985 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
986 max_mtu = P3_MAX_MTU;
987 else
988 max_mtu = P2_MAX_MTU;
989
990 if (mtu > max_mtu) {
991 printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
992 netdev->name, max_mtu);
993 return -EINVAL;
994 }
995
996 if (adapter->set_mtu)
997 rc = adapter->set_mtu(adapter, mtu);
998
999 if (!rc)
1000 netdev->mtu = mtu;
1001
1002 return rc;
1003 }
1004
1005 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
1006 int size, __le32 * buf)
1007 {
1008 int i, v, addr;
1009 __le32 *ptr32;
1010
1011 addr = base;
1012 ptr32 = buf;
1013 for (i = 0; i < size / sizeof(u32); i++) {
1014 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1015 return -1;
1016 *ptr32 = cpu_to_le32(v);
1017 ptr32++;
1018 addr += sizeof(u32);
1019 }
1020 if ((char *)buf + size > (char *)ptr32) {
1021 __le32 local;
1022 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1023 return -1;
1024 local = cpu_to_le32(v);
1025 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
1026 }
1027
1028 return 0;
1029 }
1030
1031 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1032 {
1033 __le32 *pmac = (__le32 *) mac;
1034 u32 offset;
1035
1036 offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64));
1037
1038 if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
1039 return -1;
1040
1041 if (*mac == cpu_to_le64(~0ULL)) {
1042
1043 offset = NX_OLD_MAC_ADDR_OFFSET +
1044 (adapter->portnum * sizeof(u64));
1045
1046 if (netxen_get_flash_block(adapter,
1047 offset, sizeof(u64), pmac) == -1)
1048 return -1;
1049
1050 if (*mac == cpu_to_le64(~0ULL))
1051 return -1;
1052 }
1053 return 0;
1054 }
1055
1056 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1057 {
1058 uint32_t crbaddr, mac_hi, mac_lo;
1059 int pci_func = adapter->ahw.pci_func;
1060
1061 crbaddr = CRB_MAC_BLOCK_START +
1062 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
1063
1064 mac_lo = NXRD32(adapter, crbaddr);
1065 mac_hi = NXRD32(adapter, crbaddr+4);
1066
1067 if (pci_func & 1)
1068 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
1069 else
1070 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
1071
1072 return 0;
1073 }
1074
1075 /*
1076 * Changes the CRB window to the specified window.
1077 */
1078 static void
1079 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
1080 u32 window)
1081 {
1082 void __iomem *offset;
1083 int count = 10;
1084 u8 func = adapter->ahw.pci_func;
1085
1086 if (adapter->ahw.crb_win == window)
1087 return;
1088
1089 offset = PCI_OFFSET_SECOND_RANGE(adapter,
1090 NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
1091
1092 writel(window, offset);
1093 do {
1094 if (window == readl(offset))
1095 break;
1096
1097 if (printk_ratelimit())
1098 dev_warn(&adapter->pdev->dev,
1099 "failed to set CRB window to %d\n",
1100 (window == NETXEN_WINDOW_ONE));
1101 udelay(1);
1102
1103 } while (--count > 0);
1104
1105 if (count > 0)
1106 adapter->ahw.crb_win = window;
1107 }
1108
1109 /*
1110 * Returns < 0 if off is not valid,
1111 * 1 if window access is needed. 'off' is set to offset from
1112 * CRB space in 128M pci map
1113 * 0 if no window access is needed. 'off' is set to 2M addr
1114 * In: 'off' is offset from base in 128M pci map
1115 */
1116 static int
1117 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
1118 ulong off, void __iomem **addr)
1119 {
1120 crb_128M_2M_sub_block_map_t *m;
1121
1122
1123 if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE))
1124 return -EINVAL;
1125
1126 off -= NETXEN_PCI_CRBSPACE;
1127
1128 /*
1129 * Try direct map
1130 */
1131 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
1132
1133 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
1134 *addr = adapter->ahw.pci_base0 + m->start_2M +
1135 (off - m->start_128M);
1136 return 0;
1137 }
1138
1139 /*
1140 * Not in direct map, use crb window
1141 */
1142 *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M +
1143 (off & MASK(16));
1144 return 1;
1145 }
1146
1147 /*
1148 * In: 'off' is offset from CRB space in 128M pci map
1149 * Out: 'off' is 2M pci map addr
1150 * side effect: lock crb window
1151 */
1152 static void
1153 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
1154 {
1155 u32 window;
1156 void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
1157
1158 off -= NETXEN_PCI_CRBSPACE;
1159
1160 window = CRB_HI(off);
1161
1162 if (adapter->ahw.crb_win == window)
1163 return;
1164
1165 writel(window, addr);
1166 if (readl(addr) != window) {
1167 if (printk_ratelimit())
1168 dev_warn(&adapter->pdev->dev,
1169 "failed to set CRB window to %d off 0x%lx\n",
1170 window, off);
1171 }
1172 adapter->ahw.crb_win = window;
1173 }
1174
1175 static void __iomem *
1176 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter,
1177 ulong win_off, void __iomem **mem_ptr)
1178 {
1179 ulong off = win_off;
1180 void __iomem *addr;
1181 resource_size_t mem_base;
1182
1183 if (ADDR_IN_WINDOW1(win_off))
1184 off = NETXEN_CRB_NORMAL(win_off);
1185
1186 addr = pci_base_offset(adapter, off);
1187 if (addr)
1188 return addr;
1189
1190 if (adapter->ahw.pci_len0 == 0)
1191 off -= NETXEN_PCI_CRBSPACE;
1192
1193 mem_base = pci_resource_start(adapter->pdev, 0);
1194 *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE);
1195 if (*mem_ptr)
1196 addr = *mem_ptr + (off & (PAGE_SIZE - 1));
1197
1198 return addr;
1199 }
1200
1201 static int
1202 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
1203 {
1204 unsigned long flags;
1205 void __iomem *addr, *mem_ptr = NULL;
1206
1207 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1208 if (!addr)
1209 return -EIO;
1210
1211 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1212 netxen_nic_io_write_128M(adapter, addr, data);
1213 } else { /* Window 0 */
1214 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1215 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1216 writel(data, addr);
1217 netxen_nic_pci_set_crbwindow_128M(adapter,
1218 NETXEN_WINDOW_ONE);
1219 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1220 }
1221
1222 if (mem_ptr)
1223 iounmap(mem_ptr);
1224
1225 return 0;
1226 }
1227
1228 static u32
1229 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
1230 {
1231 unsigned long flags;
1232 void __iomem *addr, *mem_ptr = NULL;
1233 u32 data;
1234
1235 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1236 if (!addr)
1237 return -EIO;
1238
1239 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1240 data = netxen_nic_io_read_128M(adapter, addr);
1241 } else { /* Window 0 */
1242 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1243 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1244 data = readl(addr);
1245 netxen_nic_pci_set_crbwindow_128M(adapter,
1246 NETXEN_WINDOW_ONE);
1247 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1248 }
1249
1250 if (mem_ptr)
1251 iounmap(mem_ptr);
1252
1253 return data;
1254 }
1255
1256 static int
1257 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
1258 {
1259 unsigned long flags;
1260 int rv;
1261 void __iomem *addr = NULL;
1262
1263 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1264
1265 if (rv == 0) {
1266 writel(data, addr);
1267 return 0;
1268 }
1269
1270 if (rv > 0) {
1271 /* indirect access */
1272 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1273 crb_win_lock(adapter);
1274 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1275 writel(data, addr);
1276 crb_win_unlock(adapter);
1277 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1278 return 0;
1279 }
1280
1281 dev_err(&adapter->pdev->dev,
1282 "%s: invalid offset: 0x%016lx\n", __func__, off);
1283 dump_stack();
1284 return -EIO;
1285 }
1286
1287 static u32
1288 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
1289 {
1290 unsigned long flags;
1291 int rv;
1292 u32 data;
1293 void __iomem *addr = NULL;
1294
1295 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1296
1297 if (rv == 0)
1298 return readl(addr);
1299
1300 if (rv > 0) {
1301 /* indirect access */
1302 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1303 crb_win_lock(adapter);
1304 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1305 data = readl(addr);
1306 crb_win_unlock(adapter);
1307 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1308 return data;
1309 }
1310
1311 dev_err(&adapter->pdev->dev,
1312 "%s: invalid offset: 0x%016lx\n", __func__, off);
1313 dump_stack();
1314 return -1;
1315 }
1316
1317 /* window 1 registers only */
1318 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
1319 void __iomem *addr, u32 data)
1320 {
1321 read_lock(&adapter->ahw.crb_lock);
1322 writel(data, addr);
1323 read_unlock(&adapter->ahw.crb_lock);
1324 }
1325
1326 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
1327 void __iomem *addr)
1328 {
1329 u32 val;
1330
1331 read_lock(&adapter->ahw.crb_lock);
1332 val = readl(addr);
1333 read_unlock(&adapter->ahw.crb_lock);
1334
1335 return val;
1336 }
1337
1338 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter,
1339 void __iomem *addr, u32 data)
1340 {
1341 writel(data, addr);
1342 }
1343
1344 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
1345 void __iomem *addr)
1346 {
1347 return readl(addr);
1348 }
1349
1350 void __iomem *
1351 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
1352 {
1353 void __iomem *addr = NULL;
1354
1355 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1356 if ((offset < NETXEN_CRB_PCIX_HOST2) &&
1357 (offset > NETXEN_CRB_PCIX_HOST))
1358 addr = PCI_OFFSET_SECOND_RANGE(adapter, offset);
1359 else
1360 addr = NETXEN_CRB_NORMALIZE(adapter, offset);
1361 } else {
1362 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter,
1363 offset, &addr));
1364 }
1365
1366 return addr;
1367 }
1368
1369 static int
1370 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1371 u64 addr, u32 *start)
1372 {
1373 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1374 *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0);
1375 return 0;
1376 } else if (ADDR_IN_RANGE(addr,
1377 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1378 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1);
1379 return 0;
1380 }
1381
1382 return -EIO;
1383 }
1384
1385 static int
1386 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1387 u64 addr, u32 *start)
1388 {
1389 u32 window;
1390
1391 window = OCM_WIN(addr);
1392
1393 writel(window, adapter->ahw.ocm_win_crb);
1394 /* read back to flush */
1395 readl(adapter->ahw.ocm_win_crb);
1396
1397 adapter->ahw.ocm_win = window;
1398 *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
1399 return 0;
1400 }
1401
1402 static int
1403 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
1404 u64 *data, int op)
1405 {
1406 void __iomem *addr, *mem_ptr = NULL;
1407 resource_size_t mem_base;
1408 int ret;
1409 u32 start;
1410
1411 spin_lock(&adapter->ahw.mem_lock);
1412
1413 ret = adapter->pci_set_window(adapter, off, &start);
1414 if (ret != 0)
1415 goto unlock;
1416
1417 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1418 addr = adapter->ahw.pci_base0 + start;
1419 } else {
1420 addr = pci_base_offset(adapter, start);
1421 if (addr)
1422 goto noremap;
1423
1424 mem_base = pci_resource_start(adapter->pdev, 0) +
1425 (start & PAGE_MASK);
1426 mem_ptr = ioremap(mem_base, PAGE_SIZE);
1427 if (mem_ptr == NULL) {
1428 ret = -EIO;
1429 goto unlock;
1430 }
1431
1432 addr = mem_ptr + (start & (PAGE_SIZE-1));
1433 }
1434 noremap:
1435 if (op == 0) /* read */
1436 *data = readq(addr);
1437 else /* write */
1438 writeq(*data, addr);
1439
1440 unlock:
1441 spin_unlock(&adapter->ahw.mem_lock);
1442
1443 if (mem_ptr)
1444 iounmap(mem_ptr);
1445 return ret;
1446 }
1447
1448 void
1449 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data)
1450 {
1451 void __iomem *addr = adapter->ahw.pci_base0 +
1452 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1453
1454 spin_lock(&adapter->ahw.mem_lock);
1455 *data = readq(addr);
1456 spin_unlock(&adapter->ahw.mem_lock);
1457 }
1458
1459 void
1460 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data)
1461 {
1462 void __iomem *addr = adapter->ahw.pci_base0 +
1463 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1464
1465 spin_lock(&adapter->ahw.mem_lock);
1466 writeq(data, addr);
1467 spin_unlock(&adapter->ahw.mem_lock);
1468 }
1469
1470 #define MAX_CTL_CHECK 1000
1471
1472 static int
1473 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1474 u64 off, u64 data)
1475 {
1476 int j, ret;
1477 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1478 void __iomem *mem_crb;
1479
1480 /* Only 64-bit aligned access */
1481 if (off & 7)
1482 return -EIO;
1483
1484 /* P2 has different SIU and MIU test agent base addr */
1485 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1486 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1487 mem_crb = pci_base_offset(adapter,
1488 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1489 addr_hi = SIU_TEST_AGT_ADDR_HI;
1490 data_lo = SIU_TEST_AGT_WRDATA_LO;
1491 data_hi = SIU_TEST_AGT_WRDATA_HI;
1492 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1493 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1494 goto correct;
1495 }
1496
1497 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1498 mem_crb = pci_base_offset(adapter,
1499 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1500 addr_hi = MIU_TEST_AGT_ADDR_HI;
1501 data_lo = MIU_TEST_AGT_WRDATA_LO;
1502 data_hi = MIU_TEST_AGT_WRDATA_HI;
1503 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1504 off_hi = 0;
1505 goto correct;
1506 }
1507
1508 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1509 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1510 if (adapter->ahw.pci_len0 != 0) {
1511 return netxen_nic_pci_mem_access_direct(adapter,
1512 off, &data, 1);
1513 }
1514 }
1515
1516 return -EIO;
1517
1518 correct:
1519 spin_lock(&adapter->ahw.mem_lock);
1520 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1521
1522 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1523 writel(off_hi, (mem_crb + addr_hi));
1524 writel(data & 0xffffffff, (mem_crb + data_lo));
1525 writel((data >> 32) & 0xffffffff, (mem_crb + data_hi));
1526 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1527 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1528 (mem_crb + TEST_AGT_CTRL));
1529
1530 for (j = 0; j < MAX_CTL_CHECK; j++) {
1531 temp = readl((mem_crb + TEST_AGT_CTRL));
1532 if ((temp & TA_CTL_BUSY) == 0)
1533 break;
1534 }
1535
1536 if (j >= MAX_CTL_CHECK) {
1537 if (printk_ratelimit())
1538 dev_err(&adapter->pdev->dev,
1539 "failed to write through agent\n");
1540 ret = -EIO;
1541 } else
1542 ret = 0;
1543
1544 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1545 spin_unlock(&adapter->ahw.mem_lock);
1546 return ret;
1547 }
1548
1549 static int
1550 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1551 u64 off, u64 *data)
1552 {
1553 int j, ret;
1554 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1555 u64 val;
1556 void __iomem *mem_crb;
1557
1558 /* Only 64-bit aligned access */
1559 if (off & 7)
1560 return -EIO;
1561
1562 /* P2 has different SIU and MIU test agent base addr */
1563 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1564 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1565 mem_crb = pci_base_offset(adapter,
1566 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1567 addr_hi = SIU_TEST_AGT_ADDR_HI;
1568 data_lo = SIU_TEST_AGT_RDDATA_LO;
1569 data_hi = SIU_TEST_AGT_RDDATA_HI;
1570 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1571 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1572 goto correct;
1573 }
1574
1575 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1576 mem_crb = pci_base_offset(adapter,
1577 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1578 addr_hi = MIU_TEST_AGT_ADDR_HI;
1579 data_lo = MIU_TEST_AGT_RDDATA_LO;
1580 data_hi = MIU_TEST_AGT_RDDATA_HI;
1581 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1582 off_hi = 0;
1583 goto correct;
1584 }
1585
1586 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1587 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1588 if (adapter->ahw.pci_len0 != 0) {
1589 return netxen_nic_pci_mem_access_direct(adapter,
1590 off, data, 0);
1591 }
1592 }
1593
1594 return -EIO;
1595
1596 correct:
1597 spin_lock(&adapter->ahw.mem_lock);
1598 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1599
1600 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1601 writel(off_hi, (mem_crb + addr_hi));
1602 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1603 writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1604
1605 for (j = 0; j < MAX_CTL_CHECK; j++) {
1606 temp = readl(mem_crb + TEST_AGT_CTRL);
1607 if ((temp & TA_CTL_BUSY) == 0)
1608 break;
1609 }
1610
1611 if (j >= MAX_CTL_CHECK) {
1612 if (printk_ratelimit())
1613 dev_err(&adapter->pdev->dev,
1614 "failed to read through agent\n");
1615 ret = -EIO;
1616 } else {
1617
1618 temp = readl(mem_crb + data_hi);
1619 val = ((u64)temp << 32);
1620 val |= readl(mem_crb + data_lo);
1621 *data = val;
1622 ret = 0;
1623 }
1624
1625 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1626 spin_unlock(&adapter->ahw.mem_lock);
1627
1628 return ret;
1629 }
1630
1631 static int
1632 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1633 u64 off, u64 data)
1634 {
1635 int j, ret;
1636 u32 temp, off8;
1637 void __iomem *mem_crb;
1638
1639 /* Only 64-bit aligned access */
1640 if (off & 7)
1641 return -EIO;
1642
1643 /* P3 onward, test agent base for MIU and SIU is same */
1644 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1645 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1646 mem_crb = netxen_get_ioaddr(adapter,
1647 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1648 goto correct;
1649 }
1650
1651 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1652 mem_crb = netxen_get_ioaddr(adapter,
1653 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1654 goto correct;
1655 }
1656
1657 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
1658 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1);
1659
1660 return -EIO;
1661
1662 correct:
1663 off8 = off & 0xfffffff8;
1664
1665 spin_lock(&adapter->ahw.mem_lock);
1666
1667 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1668 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1669
1670 writel(data & 0xffffffff,
1671 mem_crb + MIU_TEST_AGT_WRDATA_LO);
1672 writel((data >> 32) & 0xffffffff,
1673 mem_crb + MIU_TEST_AGT_WRDATA_HI);
1674
1675 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1676 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1677 (mem_crb + TEST_AGT_CTRL));
1678
1679 for (j = 0; j < MAX_CTL_CHECK; j++) {
1680 temp = readl(mem_crb + TEST_AGT_CTRL);
1681 if ((temp & TA_CTL_BUSY) == 0)
1682 break;
1683 }
1684
1685 if (j >= MAX_CTL_CHECK) {
1686 if (printk_ratelimit())
1687 dev_err(&adapter->pdev->dev,
1688 "failed to write through agent\n");
1689 ret = -EIO;
1690 } else
1691 ret = 0;
1692
1693 spin_unlock(&adapter->ahw.mem_lock);
1694
1695 return ret;
1696 }
1697
1698 static int
1699 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1700 u64 off, u64 *data)
1701 {
1702 int j, ret;
1703 u32 temp, off8;
1704 u64 val;
1705 void __iomem *mem_crb;
1706
1707 /* Only 64-bit aligned access */
1708 if (off & 7)
1709 return -EIO;
1710
1711 /* P3 onward, test agent base for MIU and SIU is same */
1712 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1713 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1714 mem_crb = netxen_get_ioaddr(adapter,
1715 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1716 goto correct;
1717 }
1718
1719 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1720 mem_crb = netxen_get_ioaddr(adapter,
1721 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1722 goto correct;
1723 }
1724
1725 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1726 return netxen_nic_pci_mem_access_direct(adapter,
1727 off, data, 0);
1728 }
1729
1730 return -EIO;
1731
1732 correct:
1733 off8 = off & 0xfffffff8;
1734
1735 spin_lock(&adapter->ahw.mem_lock);
1736
1737 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1738 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1739 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1740 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1741
1742 for (j = 0; j < MAX_CTL_CHECK; j++) {
1743 temp = readl(mem_crb + TEST_AGT_CTRL);
1744 if ((temp & TA_CTL_BUSY) == 0)
1745 break;
1746 }
1747
1748 if (j >= MAX_CTL_CHECK) {
1749 if (printk_ratelimit())
1750 dev_err(&adapter->pdev->dev,
1751 "failed to read through agent\n");
1752 ret = -EIO;
1753 } else {
1754 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32;
1755 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
1756 *data = val;
1757 ret = 0;
1758 }
1759
1760 spin_unlock(&adapter->ahw.mem_lock);
1761
1762 return ret;
1763 }
1764
1765 void
1766 netxen_setup_hwops(struct netxen_adapter *adapter)
1767 {
1768 adapter->init_port = netxen_niu_xg_init_port;
1769 adapter->stop_port = netxen_niu_disable_xg_port;
1770
1771 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1772 adapter->crb_read = netxen_nic_hw_read_wx_128M,
1773 adapter->crb_write = netxen_nic_hw_write_wx_128M,
1774 adapter->pci_set_window = netxen_nic_pci_set_window_128M,
1775 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M,
1776 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M,
1777 adapter->io_read = netxen_nic_io_read_128M,
1778 adapter->io_write = netxen_nic_io_write_128M,
1779
1780 adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
1781 adapter->set_multi = netxen_p2_nic_set_multi;
1782 adapter->set_mtu = netxen_nic_set_mtu_xgb;
1783 adapter->set_promisc = netxen_p2_nic_set_promisc;
1784
1785 } else {
1786 adapter->crb_read = netxen_nic_hw_read_wx_2M,
1787 adapter->crb_write = netxen_nic_hw_write_wx_2M,
1788 adapter->pci_set_window = netxen_nic_pci_set_window_2M,
1789 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M,
1790 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M,
1791 adapter->io_read = netxen_nic_io_read_2M,
1792 adapter->io_write = netxen_nic_io_write_2M,
1793
1794 adapter->set_mtu = nx_fw_cmd_set_mtu;
1795 adapter->set_promisc = netxen_p3_nic_set_promisc;
1796 adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
1797 adapter->set_multi = netxen_p3_nic_set_multi;
1798
1799 adapter->phy_read = nx_fw_cmd_query_phy;
1800 adapter->phy_write = nx_fw_cmd_set_phy;
1801 }
1802 }
1803
1804 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
1805 {
1806 int offset, board_type, magic;
1807 struct pci_dev *pdev = adapter->pdev;
1808
1809 offset = NX_FW_MAGIC_OFFSET;
1810 if (netxen_rom_fast_read(adapter, offset, &magic))
1811 return -EIO;
1812
1813 if (magic != NETXEN_BDINFO_MAGIC) {
1814 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1815 magic);
1816 return -EIO;
1817 }
1818
1819 offset = NX_BRDTYPE_OFFSET;
1820 if (netxen_rom_fast_read(adapter, offset, &board_type))
1821 return -EIO;
1822
1823 adapter->ahw.board_type = board_type;
1824
1825 if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) {
1826 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I);
1827 if ((gpio & 0x8000) == 0)
1828 board_type = NETXEN_BRDTYPE_P3_10G_TP;
1829 }
1830
1831 switch (board_type) {
1832 case NETXEN_BRDTYPE_P2_SB35_4G:
1833 adapter->ahw.port_type = NETXEN_NIC_GBE;
1834 break;
1835 case NETXEN_BRDTYPE_P2_SB31_10G:
1836 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1837 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1838 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1839 case NETXEN_BRDTYPE_P3_HMEZ:
1840 case NETXEN_BRDTYPE_P3_XG_LOM:
1841 case NETXEN_BRDTYPE_P3_10G_CX4:
1842 case NETXEN_BRDTYPE_P3_10G_CX4_LP:
1843 case NETXEN_BRDTYPE_P3_IMEZ:
1844 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
1845 case NETXEN_BRDTYPE_P3_10G_SFP_CT:
1846 case NETXEN_BRDTYPE_P3_10G_SFP_QT:
1847 case NETXEN_BRDTYPE_P3_10G_XFP:
1848 case NETXEN_BRDTYPE_P3_10000_BASE_T:
1849 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1850 break;
1851 case NETXEN_BRDTYPE_P1_BD:
1852 case NETXEN_BRDTYPE_P1_SB:
1853 case NETXEN_BRDTYPE_P1_SMAX:
1854 case NETXEN_BRDTYPE_P1_SOCK:
1855 case NETXEN_BRDTYPE_P3_REF_QG:
1856 case NETXEN_BRDTYPE_P3_4_GB:
1857 case NETXEN_BRDTYPE_P3_4_GB_MM:
1858 adapter->ahw.port_type = NETXEN_NIC_GBE;
1859 break;
1860 case NETXEN_BRDTYPE_P3_10G_TP:
1861 adapter->ahw.port_type = (adapter->portnum < 2) ?
1862 NETXEN_NIC_XGBE : NETXEN_NIC_GBE;
1863 break;
1864 default:
1865 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1866 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1867 break;
1868 }
1869
1870 return 0;
1871 }
1872
1873 /* NIU access sections */
1874
1875 int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu)
1876 {
1877 new_mtu += MTU_FUDGE_FACTOR;
1878 NXWR32(adapter, NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->physical_port),
1879 new_mtu);
1880 return 0;
1881 }
1882
1883 int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
1884 {
1885 new_mtu += MTU_FUDGE_FACTOR;
1886 if (adapter->physical_port == 0)
1887 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
1888 else
1889 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
1890 return 0;
1891 }
1892
1893 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
1894 {
1895 __u32 status;
1896 __u32 autoneg;
1897 __u32 port_mode;
1898
1899 if (!netif_carrier_ok(adapter->netdev)) {
1900 adapter->link_speed = 0;
1901 adapter->link_duplex = -1;
1902 adapter->link_autoneg = AUTONEG_ENABLE;
1903 return;
1904 }
1905
1906 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
1907 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
1908 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
1909 adapter->link_speed = SPEED_1000;
1910 adapter->link_duplex = DUPLEX_FULL;
1911 adapter->link_autoneg = AUTONEG_DISABLE;
1912 return;
1913 }
1914
1915 if (adapter->phy_read &&
1916 adapter->phy_read(adapter,
1917 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
1918 &status) == 0) {
1919 if (netxen_get_phy_link(status)) {
1920 switch (netxen_get_phy_speed(status)) {
1921 case 0:
1922 adapter->link_speed = SPEED_10;
1923 break;
1924 case 1:
1925 adapter->link_speed = SPEED_100;
1926 break;
1927 case 2:
1928 adapter->link_speed = SPEED_1000;
1929 break;
1930 default:
1931 adapter->link_speed = 0;
1932 break;
1933 }
1934 switch (netxen_get_phy_duplex(status)) {
1935 case 0:
1936 adapter->link_duplex = DUPLEX_HALF;
1937 break;
1938 case 1:
1939 adapter->link_duplex = DUPLEX_FULL;
1940 break;
1941 default:
1942 adapter->link_duplex = -1;
1943 break;
1944 }
1945 if (adapter->phy_read &&
1946 adapter->phy_read(adapter,
1947 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
1948 &autoneg) != 0)
1949 adapter->link_autoneg = autoneg;
1950 } else
1951 goto link_down;
1952 } else {
1953 link_down:
1954 adapter->link_speed = 0;
1955 adapter->link_duplex = -1;
1956 }
1957 }
1958 }
1959
1960 int
1961 netxen_nic_wol_supported(struct netxen_adapter *adapter)
1962 {
1963 u32 wol_cfg;
1964
1965 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1966 return 0;
1967
1968 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
1969 if (wol_cfg & (1UL << adapter->portnum)) {
1970 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
1971 if (wol_cfg & (1 << adapter->portnum))
1972 return 1;
1973 }
1974
1975 return 0;
1976 }
Linux with added FPC-III support