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[mirror_ubuntu-bionic-kernel.git] / drivers / net / netxen / netxen_nic_hw.c
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 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
323
324 int
325 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
326 {
327 int done = 0, timeout = 0;
328
329 while (!done) {
330 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem)));
331 if (done == 1)
332 break;
333 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
334 return -EIO;
335 msleep(1);
336 }
337
338 if (id_reg)
339 NXWR32(adapter, id_reg, adapter->portnum);
340
341 return 0;
342 }
343
344 void
345 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem)
346 {
347 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
348 }
349
350 static int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
351 {
352 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
353 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
354 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
355 }
356
357 return 0;
358 }
359
360 /* Disable an XG interface */
361 static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
362 {
363 __u32 mac_cfg;
364 u32 port = adapter->physical_port;
365
366 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
367 return 0;
368
369 if (port > NETXEN_NIU_MAX_XG_PORTS)
370 return -EINVAL;
371
372 mac_cfg = 0;
373 if (NXWR32(adapter,
374 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg))
375 return -EIO;
376 return 0;
377 }
378
379 #define NETXEN_UNICAST_ADDR(port, index) \
380 (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
381 #define NETXEN_MCAST_ADDR(port, index) \
382 (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
383 #define MAC_HI(addr) \
384 ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
385 #define MAC_LO(addr) \
386 ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
387
388 static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
389 {
390 u32 mac_cfg;
391 u32 cnt = 0;
392 __u32 reg = 0x0200;
393 u32 port = adapter->physical_port;
394 u16 board_type = adapter->ahw.board_type;
395
396 if (port > NETXEN_NIU_MAX_XG_PORTS)
397 return -EINVAL;
398
399 mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
400 mac_cfg &= ~0x4;
401 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
402
403 if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
404 (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
405 reg = (0x20 << port);
406
407 NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
408
409 mdelay(10);
410
411 while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
412 mdelay(10);
413
414 if (cnt < 20) {
415
416 reg = NXRD32(adapter,
417 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
418
419 if (mode == NETXEN_NIU_PROMISC_MODE)
420 reg = (reg | 0x2000UL);
421 else
422 reg = (reg & ~0x2000UL);
423
424 if (mode == NETXEN_NIU_ALLMULTI_MODE)
425 reg = (reg | 0x1000UL);
426 else
427 reg = (reg & ~0x1000UL);
428
429 NXWR32(adapter,
430 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
431 }
432
433 mac_cfg |= 0x4;
434 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
435
436 return 0;
437 }
438
439 static int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
440 {
441 u32 mac_hi, mac_lo;
442 u32 reg_hi, reg_lo;
443
444 u8 phy = adapter->physical_port;
445
446 if (phy >= NETXEN_NIU_MAX_XG_PORTS)
447 return -EINVAL;
448
449 mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24);
450 mac_hi = addr[2] | ((u32)addr[3] << 8) |
451 ((u32)addr[4] << 16) | ((u32)addr[5] << 24);
452
453 reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy);
454 reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy);
455
456 /* write twice to flush */
457 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
458 return -EIO;
459 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
460 return -EIO;
461
462 return 0;
463 }
464
465 static int
466 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
467 {
468 u32 val = 0;
469 u16 port = adapter->physical_port;
470 u8 *addr = adapter->mac_addr;
471
472 if (adapter->mc_enabled)
473 return 0;
474
475 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
476 val |= (1UL << (28+port));
477 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
478
479 /* add broadcast addr to filter */
480 val = 0xffffff;
481 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
482 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
483
484 /* add station addr to filter */
485 val = MAC_HI(addr);
486 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
487 val = MAC_LO(addr);
488 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val);
489
490 adapter->mc_enabled = 1;
491 return 0;
492 }
493
494 static int
495 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
496 {
497 u32 val = 0;
498 u16 port = adapter->physical_port;
499 u8 *addr = adapter->mac_addr;
500
501 if (!adapter->mc_enabled)
502 return 0;
503
504 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
505 val &= ~(1UL << (28+port));
506 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
507
508 val = MAC_HI(addr);
509 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
510 val = MAC_LO(addr);
511 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
512
513 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
514 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
515
516 adapter->mc_enabled = 0;
517 return 0;
518 }
519
520 static int
521 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
522 int index, u8 *addr)
523 {
524 u32 hi = 0, lo = 0;
525 u16 port = adapter->physical_port;
526
527 lo = MAC_LO(addr);
528 hi = MAC_HI(addr);
529
530 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi);
531 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo);
532
533 return 0;
534 }
535
536 static void netxen_p2_nic_set_multi(struct net_device *netdev)
537 {
538 struct netxen_adapter *adapter = netdev_priv(netdev);
539 struct netdev_hw_addr *ha;
540 u8 null_addr[6];
541 int i;
542
543 memset(null_addr, 0, 6);
544
545 if (netdev->flags & IFF_PROMISC) {
546
547 adapter->set_promisc(adapter,
548 NETXEN_NIU_PROMISC_MODE);
549
550 /* Full promiscuous mode */
551 netxen_nic_disable_mcast_filter(adapter);
552
553 return;
554 }
555
556 if (netdev_mc_empty(netdev)) {
557 adapter->set_promisc(adapter,
558 NETXEN_NIU_NON_PROMISC_MODE);
559 netxen_nic_disable_mcast_filter(adapter);
560 return;
561 }
562
563 adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
564 if (netdev->flags & IFF_ALLMULTI ||
565 netdev_mc_count(netdev) > adapter->max_mc_count) {
566 netxen_nic_disable_mcast_filter(adapter);
567 return;
568 }
569
570 netxen_nic_enable_mcast_filter(adapter);
571
572 i = 0;
573 netdev_for_each_mc_addr(ha, netdev)
574 netxen_nic_set_mcast_addr(adapter, i++, ha->addr);
575
576 /* Clear out remaining addresses */
577 while (i < adapter->max_mc_count)
578 netxen_nic_set_mcast_addr(adapter, i++, null_addr);
579 }
580
581 static int
582 netxen_send_cmd_descs(struct netxen_adapter *adapter,
583 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
584 {
585 u32 i, producer, consumer;
586 struct netxen_cmd_buffer *pbuf;
587 struct cmd_desc_type0 *cmd_desc;
588 struct nx_host_tx_ring *tx_ring;
589
590 i = 0;
591
592 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
593 return -EIO;
594
595 tx_ring = adapter->tx_ring;
596 __netif_tx_lock_bh(tx_ring->txq);
597
598 producer = tx_ring->producer;
599 consumer = tx_ring->sw_consumer;
600
601 if (nr_desc >= netxen_tx_avail(tx_ring)) {
602 netif_tx_stop_queue(tx_ring->txq);
603 smp_mb();
604 if (netxen_tx_avail(tx_ring) > nr_desc) {
605 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
606 netif_tx_wake_queue(tx_ring->txq);
607 } else {
608 __netif_tx_unlock_bh(tx_ring->txq);
609 return -EBUSY;
610 }
611 }
612
613 do {
614 cmd_desc = &cmd_desc_arr[i];
615
616 pbuf = &tx_ring->cmd_buf_arr[producer];
617 pbuf->skb = NULL;
618 pbuf->frag_count = 0;
619
620 memcpy(&tx_ring->desc_head[producer],
621 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
622
623 producer = get_next_index(producer, tx_ring->num_desc);
624 i++;
625
626 } while (i != nr_desc);
627
628 tx_ring->producer = producer;
629
630 netxen_nic_update_cmd_producer(adapter, tx_ring);
631
632 __netif_tx_unlock_bh(tx_ring->txq);
633
634 return 0;
635 }
636
637 static int
638 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op)
639 {
640 nx_nic_req_t req;
641 nx_mac_req_t *mac_req;
642 u64 word;
643
644 memset(&req, 0, sizeof(nx_nic_req_t));
645 req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23);
646
647 word = NX_MAC_EVENT | ((u64)adapter->portnum << 16);
648 req.req_hdr = cpu_to_le64(word);
649
650 mac_req = (nx_mac_req_t *)&req.words[0];
651 mac_req->op = op;
652 memcpy(mac_req->mac_addr, addr, 6);
653
654 return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
655 }
656
657 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
658 const u8 *addr, struct list_head *del_list)
659 {
660 struct list_head *head;
661 nx_mac_list_t *cur;
662
663 /* look up if already exists */
664 list_for_each(head, del_list) {
665 cur = list_entry(head, nx_mac_list_t, list);
666
667 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
668 list_move_tail(head, &adapter->mac_list);
669 return 0;
670 }
671 }
672
673 cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC);
674 if (cur == NULL) {
675 printk(KERN_ERR "%s: failed to add mac address filter\n",
676 adapter->netdev->name);
677 return -ENOMEM;
678 }
679 memcpy(cur->mac_addr, addr, ETH_ALEN);
680 list_add_tail(&cur->list, &adapter->mac_list);
681 return nx_p3_sre_macaddr_change(adapter,
682 cur->mac_addr, NETXEN_MAC_ADD);
683 }
684
685 static void netxen_p3_nic_set_multi(struct net_device *netdev)
686 {
687 struct netxen_adapter *adapter = netdev_priv(netdev);
688 struct netdev_hw_addr *ha;
689 static const u8 bcast_addr[ETH_ALEN] = {
690 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
691 };
692 u32 mode = VPORT_MISS_MODE_DROP;
693 LIST_HEAD(del_list);
694 struct list_head *head;
695 nx_mac_list_t *cur;
696
697 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
698 return;
699
700 list_splice_tail_init(&adapter->mac_list, &del_list);
701
702 nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list);
703 nx_p3_nic_add_mac(adapter, bcast_addr, &del_list);
704
705 if (netdev->flags & IFF_PROMISC) {
706 mode = VPORT_MISS_MODE_ACCEPT_ALL;
707 goto send_fw_cmd;
708 }
709
710 if ((netdev->flags & IFF_ALLMULTI) ||
711 (netdev_mc_count(netdev) > adapter->max_mc_count)) {
712 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
713 goto send_fw_cmd;
714 }
715
716 if (!netdev_mc_empty(netdev)) {
717 netdev_for_each_mc_addr(ha, netdev)
718 nx_p3_nic_add_mac(adapter, ha->addr, &del_list);
719 }
720
721 send_fw_cmd:
722 adapter->set_promisc(adapter, mode);
723 head = &del_list;
724 while (!list_empty(head)) {
725 cur = list_entry(head->next, nx_mac_list_t, list);
726
727 nx_p3_sre_macaddr_change(adapter,
728 cur->mac_addr, NETXEN_MAC_DEL);
729 list_del(&cur->list);
730 kfree(cur);
731 }
732 }
733
734 static int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
735 {
736 nx_nic_req_t req;
737 u64 word;
738
739 memset(&req, 0, sizeof(nx_nic_req_t));
740
741 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
742
743 word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE |
744 ((u64)adapter->portnum << 16);
745 req.req_hdr = cpu_to_le64(word);
746
747 req.words[0] = cpu_to_le64(mode);
748
749 return netxen_send_cmd_descs(adapter,
750 (struct cmd_desc_type0 *)&req, 1);
751 }
752
753 void netxen_p3_free_mac_list(struct netxen_adapter *adapter)
754 {
755 nx_mac_list_t *cur;
756 struct list_head *head = &adapter->mac_list;
757
758 while (!list_empty(head)) {
759 cur = list_entry(head->next, nx_mac_list_t, list);
760 nx_p3_sre_macaddr_change(adapter,
761 cur->mac_addr, NETXEN_MAC_DEL);
762 list_del(&cur->list);
763 kfree(cur);
764 }
765 }
766
767 static int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
768 {
769 /* assuming caller has already copied new addr to netdev */
770 netxen_p3_nic_set_multi(adapter->netdev);
771 return 0;
772 }
773
774 #define NETXEN_CONFIG_INTR_COALESCE 3
775
776 /*
777 * Send the interrupt coalescing parameter set by ethtool to the card.
778 */
779 int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
780 {
781 nx_nic_req_t req;
782 u64 word[6];
783 int rv, i;
784
785 memset(&req, 0, sizeof(nx_nic_req_t));
786 memset(word, 0, sizeof(word));
787
788 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
789
790 word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
791 req.req_hdr = cpu_to_le64(word[0]);
792
793 memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
794 for (i = 0; i < 6; i++)
795 req.words[i] = cpu_to_le64(word[i]);
796
797 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
798 if (rv != 0) {
799 printk(KERN_ERR "ERROR. Could not send "
800 "interrupt coalescing parameters\n");
801 }
802
803 return rv;
804 }
805
806 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
807 {
808 nx_nic_req_t req;
809 u64 word;
810 int rv = 0;
811
812 if ((adapter->flags & NETXEN_NIC_LRO_ENABLED) == enable)
813 return 0;
814
815 memset(&req, 0, sizeof(nx_nic_req_t));
816
817 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
818
819 word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
820 req.req_hdr = cpu_to_le64(word);
821
822 req.words[0] = cpu_to_le64(enable);
823
824 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
825 if (rv != 0) {
826 printk(KERN_ERR "ERROR. Could not send "
827 "configure hw lro request\n");
828 }
829
830 adapter->flags ^= NETXEN_NIC_LRO_ENABLED;
831
832 return rv;
833 }
834
835 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable)
836 {
837 nx_nic_req_t req;
838 u64 word;
839 int rv = 0;
840
841 if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable)
842 return rv;
843
844 memset(&req, 0, sizeof(nx_nic_req_t));
845
846 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
847
848 word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING |
849 ((u64)adapter->portnum << 16);
850 req.req_hdr = cpu_to_le64(word);
851
852 req.words[0] = cpu_to_le64(enable);
853
854 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
855 if (rv != 0) {
856 printk(KERN_ERR "ERROR. Could not send "
857 "configure bridge mode request\n");
858 }
859
860 adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED;
861
862 return rv;
863 }
864
865
866 #define RSS_HASHTYPE_IP_TCP 0x3
867
868 int netxen_config_rss(struct netxen_adapter *adapter, int enable)
869 {
870 nx_nic_req_t req;
871 u64 word;
872 int i, rv;
873
874 static const u64 key[] = {
875 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
876 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
877 0x255b0ec26d5a56daULL
878 };
879
880
881 memset(&req, 0, sizeof(nx_nic_req_t));
882 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
883
884 word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
885 req.req_hdr = cpu_to_le64(word);
886
887 /*
888 * RSS request:
889 * bits 3-0: hash_method
890 * 5-4: hash_type_ipv4
891 * 7-6: hash_type_ipv6
892 * 8: enable
893 * 9: use indirection table
894 * 47-10: reserved
895 * 63-48: indirection table mask
896 */
897 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
898 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
899 ((u64)(enable & 0x1) << 8) |
900 ((0x7ULL) << 48);
901 req.words[0] = cpu_to_le64(word);
902 for (i = 0; i < ARRAY_SIZE(key); i++)
903 req.words[i+1] = cpu_to_le64(key[i]);
904
905
906 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
907 if (rv != 0) {
908 printk(KERN_ERR "%s: could not configure RSS\n",
909 adapter->netdev->name);
910 }
911
912 return rv;
913 }
914
915 int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd)
916 {
917 nx_nic_req_t req;
918 u64 word;
919 int rv;
920
921 memset(&req, 0, sizeof(nx_nic_req_t));
922 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
923
924 word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
925 req.req_hdr = cpu_to_le64(word);
926
927 req.words[0] = cpu_to_le64(cmd);
928 req.words[1] = cpu_to_le64(ip);
929
930 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
931 if (rv != 0) {
932 printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n",
933 adapter->netdev->name,
934 (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
935 }
936 return rv;
937 }
938
939 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
940 {
941 nx_nic_req_t req;
942 u64 word;
943 int rv;
944
945 memset(&req, 0, sizeof(nx_nic_req_t));
946 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
947
948 word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
949 req.req_hdr = cpu_to_le64(word);
950 req.words[0] = cpu_to_le64(enable | (enable << 8));
951
952 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
953 if (rv != 0) {
954 printk(KERN_ERR "%s: could not configure link notification\n",
955 adapter->netdev->name);
956 }
957
958 return rv;
959 }
960
961 int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
962 {
963 nx_nic_req_t req;
964 u64 word;
965 int rv;
966
967 memset(&req, 0, sizeof(nx_nic_req_t));
968 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
969
970 word = NX_NIC_H2C_OPCODE_LRO_REQUEST |
971 ((u64)adapter->portnum << 16) |
972 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ;
973
974 req.req_hdr = cpu_to_le64(word);
975
976 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
977 if (rv != 0) {
978 printk(KERN_ERR "%s: could not cleanup lro flows\n",
979 adapter->netdev->name);
980 }
981 return rv;
982 }
983
984 /*
985 * netxen_nic_change_mtu - Change the Maximum Transfer Unit
986 * @returns 0 on success, negative on failure
987 */
988
989 #define MTU_FUDGE_FACTOR 100
990
991 int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
992 {
993 struct netxen_adapter *adapter = netdev_priv(netdev);
994 int max_mtu;
995 int rc = 0;
996
997 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
998 max_mtu = P3_MAX_MTU;
999 else
1000 max_mtu = P2_MAX_MTU;
1001
1002 if (mtu > max_mtu) {
1003 printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
1004 netdev->name, max_mtu);
1005 return -EINVAL;
1006 }
1007
1008 if (adapter->set_mtu)
1009 rc = adapter->set_mtu(adapter, mtu);
1010
1011 if (!rc)
1012 netdev->mtu = mtu;
1013
1014 return rc;
1015 }
1016
1017 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
1018 int size, __le32 * buf)
1019 {
1020 int i, v, addr;
1021 __le32 *ptr32;
1022
1023 addr = base;
1024 ptr32 = buf;
1025 for (i = 0; i < size / sizeof(u32); i++) {
1026 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1027 return -1;
1028 *ptr32 = cpu_to_le32(v);
1029 ptr32++;
1030 addr += sizeof(u32);
1031 }
1032 if ((char *)buf + size > (char *)ptr32) {
1033 __le32 local;
1034 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1035 return -1;
1036 local = cpu_to_le32(v);
1037 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
1038 }
1039
1040 return 0;
1041 }
1042
1043 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1044 {
1045 __le32 *pmac = (__le32 *) mac;
1046 u32 offset;
1047
1048 offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64));
1049
1050 if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
1051 return -1;
1052
1053 if (*mac == cpu_to_le64(~0ULL)) {
1054
1055 offset = NX_OLD_MAC_ADDR_OFFSET +
1056 (adapter->portnum * sizeof(u64));
1057
1058 if (netxen_get_flash_block(adapter,
1059 offset, sizeof(u64), pmac) == -1)
1060 return -1;
1061
1062 if (*mac == cpu_to_le64(~0ULL))
1063 return -1;
1064 }
1065 return 0;
1066 }
1067
1068 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac)
1069 {
1070 uint32_t crbaddr, mac_hi, mac_lo;
1071 int pci_func = adapter->ahw.pci_func;
1072
1073 crbaddr = CRB_MAC_BLOCK_START +
1074 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
1075
1076 mac_lo = NXRD32(adapter, crbaddr);
1077 mac_hi = NXRD32(adapter, crbaddr+4);
1078
1079 if (pci_func & 1)
1080 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
1081 else
1082 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
1083
1084 return 0;
1085 }
1086
1087 /*
1088 * Changes the CRB window to the specified window.
1089 */
1090 static void
1091 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter,
1092 u32 window)
1093 {
1094 void __iomem *offset;
1095 int count = 10;
1096 u8 func = adapter->ahw.pci_func;
1097
1098 if (adapter->ahw.crb_win == window)
1099 return;
1100
1101 offset = PCI_OFFSET_SECOND_RANGE(adapter,
1102 NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
1103
1104 writel(window, offset);
1105 do {
1106 if (window == readl(offset))
1107 break;
1108
1109 if (printk_ratelimit())
1110 dev_warn(&adapter->pdev->dev,
1111 "failed to set CRB window to %d\n",
1112 (window == NETXEN_WINDOW_ONE));
1113 udelay(1);
1114
1115 } while (--count > 0);
1116
1117 if (count > 0)
1118 adapter->ahw.crb_win = window;
1119 }
1120
1121 /*
1122 * Returns < 0 if off is not valid,
1123 * 1 if window access is needed. 'off' is set to offset from
1124 * CRB space in 128M pci map
1125 * 0 if no window access is needed. 'off' is set to 2M addr
1126 * In: 'off' is offset from base in 128M pci map
1127 */
1128 static int
1129 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
1130 ulong off, void __iomem **addr)
1131 {
1132 crb_128M_2M_sub_block_map_t *m;
1133
1134
1135 if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE))
1136 return -EINVAL;
1137
1138 off -= NETXEN_PCI_CRBSPACE;
1139
1140 /*
1141 * Try direct map
1142 */
1143 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
1144
1145 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
1146 *addr = adapter->ahw.pci_base0 + m->start_2M +
1147 (off - m->start_128M);
1148 return 0;
1149 }
1150
1151 /*
1152 * Not in direct map, use crb window
1153 */
1154 *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M +
1155 (off & MASK(16));
1156 return 1;
1157 }
1158
1159 /*
1160 * In: 'off' is offset from CRB space in 128M pci map
1161 * Out: 'off' is 2M pci map addr
1162 * side effect: lock crb window
1163 */
1164 static void
1165 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off)
1166 {
1167 u32 window;
1168 void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M;
1169
1170 off -= NETXEN_PCI_CRBSPACE;
1171
1172 window = CRB_HI(off);
1173
1174 writel(window, addr);
1175 if (readl(addr) != window) {
1176 if (printk_ratelimit())
1177 dev_warn(&adapter->pdev->dev,
1178 "failed to set CRB window to %d off 0x%lx\n",
1179 window, off);
1180 }
1181 }
1182
1183 static void __iomem *
1184 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter,
1185 ulong win_off, void __iomem **mem_ptr)
1186 {
1187 ulong off = win_off;
1188 void __iomem *addr;
1189 resource_size_t mem_base;
1190
1191 if (ADDR_IN_WINDOW1(win_off))
1192 off = NETXEN_CRB_NORMAL(win_off);
1193
1194 addr = pci_base_offset(adapter, off);
1195 if (addr)
1196 return addr;
1197
1198 if (adapter->ahw.pci_len0 == 0)
1199 off -= NETXEN_PCI_CRBSPACE;
1200
1201 mem_base = pci_resource_start(adapter->pdev, 0);
1202 *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE);
1203 if (*mem_ptr)
1204 addr = *mem_ptr + (off & (PAGE_SIZE - 1));
1205
1206 return addr;
1207 }
1208
1209 static int
1210 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
1211 {
1212 unsigned long flags;
1213 void __iomem *addr, *mem_ptr = NULL;
1214
1215 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1216 if (!addr)
1217 return -EIO;
1218
1219 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1220 netxen_nic_io_write_128M(adapter, addr, data);
1221 } else { /* Window 0 */
1222 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1223 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1224 writel(data, addr);
1225 netxen_nic_pci_set_crbwindow_128M(adapter,
1226 NETXEN_WINDOW_ONE);
1227 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1228 }
1229
1230 if (mem_ptr)
1231 iounmap(mem_ptr);
1232
1233 return 0;
1234 }
1235
1236 static u32
1237 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
1238 {
1239 unsigned long flags;
1240 void __iomem *addr, *mem_ptr = NULL;
1241 u32 data;
1242
1243 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr);
1244 if (!addr)
1245 return -EIO;
1246
1247 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
1248 data = netxen_nic_io_read_128M(adapter, addr);
1249 } else { /* Window 0 */
1250 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1251 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1252 data = readl(addr);
1253 netxen_nic_pci_set_crbwindow_128M(adapter,
1254 NETXEN_WINDOW_ONE);
1255 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1256 }
1257
1258 if (mem_ptr)
1259 iounmap(mem_ptr);
1260
1261 return data;
1262 }
1263
1264 static int
1265 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
1266 {
1267 unsigned long flags;
1268 int rv;
1269 void __iomem *addr = NULL;
1270
1271 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1272
1273 if (rv == 0) {
1274 writel(data, addr);
1275 return 0;
1276 }
1277
1278 if (rv > 0) {
1279 /* indirect access */
1280 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1281 crb_win_lock(adapter);
1282 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1283 writel(data, addr);
1284 crb_win_unlock(adapter);
1285 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1286 return 0;
1287 }
1288
1289 dev_err(&adapter->pdev->dev,
1290 "%s: invalid offset: 0x%016lx\n", __func__, off);
1291 dump_stack();
1292 return -EIO;
1293 }
1294
1295 static u32
1296 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
1297 {
1298 unsigned long flags;
1299 int rv;
1300 u32 data;
1301 void __iomem *addr = NULL;
1302
1303 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr);
1304
1305 if (rv == 0)
1306 return readl(addr);
1307
1308 if (rv > 0) {
1309 /* indirect access */
1310 write_lock_irqsave(&adapter->ahw.crb_lock, flags);
1311 crb_win_lock(adapter);
1312 netxen_nic_pci_set_crbwindow_2M(adapter, off);
1313 data = readl(addr);
1314 crb_win_unlock(adapter);
1315 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
1316 return data;
1317 }
1318
1319 dev_err(&adapter->pdev->dev,
1320 "%s: invalid offset: 0x%016lx\n", __func__, off);
1321 dump_stack();
1322 return -1;
1323 }
1324
1325 /* window 1 registers only */
1326 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
1327 void __iomem *addr, u32 data)
1328 {
1329 read_lock(&adapter->ahw.crb_lock);
1330 writel(data, addr);
1331 read_unlock(&adapter->ahw.crb_lock);
1332 }
1333
1334 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
1335 void __iomem *addr)
1336 {
1337 u32 val;
1338
1339 read_lock(&adapter->ahw.crb_lock);
1340 val = readl(addr);
1341 read_unlock(&adapter->ahw.crb_lock);
1342
1343 return val;
1344 }
1345
1346 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter,
1347 void __iomem *addr, u32 data)
1348 {
1349 writel(data, addr);
1350 }
1351
1352 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
1353 void __iomem *addr)
1354 {
1355 return readl(addr);
1356 }
1357
1358 void __iomem *
1359 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
1360 {
1361 void __iomem *addr = NULL;
1362
1363 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1364 if ((offset < NETXEN_CRB_PCIX_HOST2) &&
1365 (offset > NETXEN_CRB_PCIX_HOST))
1366 addr = PCI_OFFSET_SECOND_RANGE(adapter, offset);
1367 else
1368 addr = NETXEN_CRB_NORMALIZE(adapter, offset);
1369 } else {
1370 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter,
1371 offset, &addr));
1372 }
1373
1374 return addr;
1375 }
1376
1377 static int
1378 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1379 u64 addr, u32 *start)
1380 {
1381 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1382 *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0);
1383 return 0;
1384 } else if (ADDR_IN_RANGE(addr,
1385 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1386 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1);
1387 return 0;
1388 }
1389
1390 return -EIO;
1391 }
1392
1393 static int
1394 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1395 u64 addr, u32 *start)
1396 {
1397 u32 window;
1398
1399 window = OCM_WIN(addr);
1400
1401 writel(window, adapter->ahw.ocm_win_crb);
1402 /* read back to flush */
1403 readl(adapter->ahw.ocm_win_crb);
1404
1405 adapter->ahw.ocm_win = window;
1406 *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
1407 return 0;
1408 }
1409
1410 static int
1411 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
1412 u64 *data, int op)
1413 {
1414 void __iomem *addr, *mem_ptr = NULL;
1415 resource_size_t mem_base;
1416 int ret;
1417 u32 start;
1418
1419 spin_lock(&adapter->ahw.mem_lock);
1420
1421 ret = adapter->pci_set_window(adapter, off, &start);
1422 if (ret != 0)
1423 goto unlock;
1424
1425 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1426 addr = adapter->ahw.pci_base0 + start;
1427 } else {
1428 addr = pci_base_offset(adapter, start);
1429 if (addr)
1430 goto noremap;
1431
1432 mem_base = pci_resource_start(adapter->pdev, 0) +
1433 (start & PAGE_MASK);
1434 mem_ptr = ioremap(mem_base, PAGE_SIZE);
1435 if (mem_ptr == NULL) {
1436 ret = -EIO;
1437 goto unlock;
1438 }
1439
1440 addr = mem_ptr + (start & (PAGE_SIZE-1));
1441 }
1442 noremap:
1443 if (op == 0) /* read */
1444 *data = readq(addr);
1445 else /* write */
1446 writeq(*data, addr);
1447
1448 unlock:
1449 spin_unlock(&adapter->ahw.mem_lock);
1450
1451 if (mem_ptr)
1452 iounmap(mem_ptr);
1453 return ret;
1454 }
1455
1456 void
1457 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data)
1458 {
1459 void __iomem *addr = adapter->ahw.pci_base0 +
1460 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1461
1462 spin_lock(&adapter->ahw.mem_lock);
1463 *data = readq(addr);
1464 spin_unlock(&adapter->ahw.mem_lock);
1465 }
1466
1467 void
1468 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data)
1469 {
1470 void __iomem *addr = adapter->ahw.pci_base0 +
1471 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM);
1472
1473 spin_lock(&adapter->ahw.mem_lock);
1474 writeq(data, addr);
1475 spin_unlock(&adapter->ahw.mem_lock);
1476 }
1477
1478 #define MAX_CTL_CHECK 1000
1479
1480 static int
1481 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1482 u64 off, u64 data)
1483 {
1484 int j, ret;
1485 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1486 void __iomem *mem_crb;
1487
1488 /* Only 64-bit aligned access */
1489 if (off & 7)
1490 return -EIO;
1491
1492 /* P2 has different SIU and MIU test agent base addr */
1493 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1494 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1495 mem_crb = pci_base_offset(adapter,
1496 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1497 addr_hi = SIU_TEST_AGT_ADDR_HI;
1498 data_lo = SIU_TEST_AGT_WRDATA_LO;
1499 data_hi = SIU_TEST_AGT_WRDATA_HI;
1500 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1501 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1502 goto correct;
1503 }
1504
1505 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1506 mem_crb = pci_base_offset(adapter,
1507 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1508 addr_hi = MIU_TEST_AGT_ADDR_HI;
1509 data_lo = MIU_TEST_AGT_WRDATA_LO;
1510 data_hi = MIU_TEST_AGT_WRDATA_HI;
1511 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1512 off_hi = 0;
1513 goto correct;
1514 }
1515
1516 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1517 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1518 if (adapter->ahw.pci_len0 != 0) {
1519 return netxen_nic_pci_mem_access_direct(adapter,
1520 off, &data, 1);
1521 }
1522 }
1523
1524 return -EIO;
1525
1526 correct:
1527 spin_lock(&adapter->ahw.mem_lock);
1528 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1529
1530 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1531 writel(off_hi, (mem_crb + addr_hi));
1532 writel(data & 0xffffffff, (mem_crb + data_lo));
1533 writel((data >> 32) & 0xffffffff, (mem_crb + data_hi));
1534 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1535 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1536 (mem_crb + TEST_AGT_CTRL));
1537
1538 for (j = 0; j < MAX_CTL_CHECK; j++) {
1539 temp = readl((mem_crb + TEST_AGT_CTRL));
1540 if ((temp & TA_CTL_BUSY) == 0)
1541 break;
1542 }
1543
1544 if (j >= MAX_CTL_CHECK) {
1545 if (printk_ratelimit())
1546 dev_err(&adapter->pdev->dev,
1547 "failed to write through agent\n");
1548 ret = -EIO;
1549 } else
1550 ret = 0;
1551
1552 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1553 spin_unlock(&adapter->ahw.mem_lock);
1554 return ret;
1555 }
1556
1557 static int
1558 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1559 u64 off, u64 *data)
1560 {
1561 int j, ret;
1562 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
1563 u64 val;
1564 void __iomem *mem_crb;
1565
1566 /* Only 64-bit aligned access */
1567 if (off & 7)
1568 return -EIO;
1569
1570 /* P2 has different SIU and MIU test agent base addr */
1571 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1572 NETXEN_ADDR_QDR_NET_MAX_P2)) {
1573 mem_crb = pci_base_offset(adapter,
1574 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE);
1575 addr_hi = SIU_TEST_AGT_ADDR_HI;
1576 data_lo = SIU_TEST_AGT_RDDATA_LO;
1577 data_hi = SIU_TEST_AGT_RDDATA_HI;
1578 off_lo = off & SIU_TEST_AGT_ADDR_MASK;
1579 off_hi = SIU_TEST_AGT_UPPER_ADDR(off);
1580 goto correct;
1581 }
1582
1583 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1584 mem_crb = pci_base_offset(adapter,
1585 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1586 addr_hi = MIU_TEST_AGT_ADDR_HI;
1587 data_lo = MIU_TEST_AGT_RDDATA_LO;
1588 data_hi = MIU_TEST_AGT_RDDATA_HI;
1589 off_lo = off & MIU_TEST_AGT_ADDR_MASK;
1590 off_hi = 0;
1591 goto correct;
1592 }
1593
1594 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) ||
1595 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1596 if (adapter->ahw.pci_len0 != 0) {
1597 return netxen_nic_pci_mem_access_direct(adapter,
1598 off, data, 0);
1599 }
1600 }
1601
1602 return -EIO;
1603
1604 correct:
1605 spin_lock(&adapter->ahw.mem_lock);
1606 netxen_nic_pci_set_crbwindow_128M(adapter, 0);
1607
1608 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1609 writel(off_hi, (mem_crb + addr_hi));
1610 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1611 writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1612
1613 for (j = 0; j < MAX_CTL_CHECK; j++) {
1614 temp = readl(mem_crb + TEST_AGT_CTRL);
1615 if ((temp & TA_CTL_BUSY) == 0)
1616 break;
1617 }
1618
1619 if (j >= MAX_CTL_CHECK) {
1620 if (printk_ratelimit())
1621 dev_err(&adapter->pdev->dev,
1622 "failed to read through agent\n");
1623 ret = -EIO;
1624 } else {
1625
1626 temp = readl(mem_crb + data_hi);
1627 val = ((u64)temp << 32);
1628 val |= readl(mem_crb + data_lo);
1629 *data = val;
1630 ret = 0;
1631 }
1632
1633 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
1634 spin_unlock(&adapter->ahw.mem_lock);
1635
1636 return ret;
1637 }
1638
1639 static int
1640 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1641 u64 off, u64 data)
1642 {
1643 int j, ret;
1644 u32 temp, off8;
1645 void __iomem *mem_crb;
1646
1647 /* Only 64-bit aligned access */
1648 if (off & 7)
1649 return -EIO;
1650
1651 /* P3 onward, test agent base for MIU and SIU is same */
1652 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1653 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1654 mem_crb = netxen_get_ioaddr(adapter,
1655 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1656 goto correct;
1657 }
1658
1659 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1660 mem_crb = netxen_get_ioaddr(adapter,
1661 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1662 goto correct;
1663 }
1664
1665 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX))
1666 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1);
1667
1668 return -EIO;
1669
1670 correct:
1671 off8 = off & 0xfffffff8;
1672
1673 spin_lock(&adapter->ahw.mem_lock);
1674
1675 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1676 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1677
1678 writel(data & 0xffffffff,
1679 mem_crb + MIU_TEST_AGT_WRDATA_LO);
1680 writel((data >> 32) & 0xffffffff,
1681 mem_crb + MIU_TEST_AGT_WRDATA_HI);
1682
1683 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1684 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1685 (mem_crb + TEST_AGT_CTRL));
1686
1687 for (j = 0; j < MAX_CTL_CHECK; j++) {
1688 temp = readl(mem_crb + TEST_AGT_CTRL);
1689 if ((temp & TA_CTL_BUSY) == 0)
1690 break;
1691 }
1692
1693 if (j >= MAX_CTL_CHECK) {
1694 if (printk_ratelimit())
1695 dev_err(&adapter->pdev->dev,
1696 "failed to write through agent\n");
1697 ret = -EIO;
1698 } else
1699 ret = 0;
1700
1701 spin_unlock(&adapter->ahw.mem_lock);
1702
1703 return ret;
1704 }
1705
1706 static int
1707 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1708 u64 off, u64 *data)
1709 {
1710 int j, ret;
1711 u32 temp, off8;
1712 u64 val;
1713 void __iomem *mem_crb;
1714
1715 /* Only 64-bit aligned access */
1716 if (off & 7)
1717 return -EIO;
1718
1719 /* P3 onward, test agent base for MIU and SIU is same */
1720 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1721 NETXEN_ADDR_QDR_NET_MAX_P3)) {
1722 mem_crb = netxen_get_ioaddr(adapter,
1723 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1724 goto correct;
1725 }
1726
1727 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1728 mem_crb = netxen_get_ioaddr(adapter,
1729 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1730 goto correct;
1731 }
1732
1733 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1734 return netxen_nic_pci_mem_access_direct(adapter,
1735 off, data, 0);
1736 }
1737
1738 return -EIO;
1739
1740 correct:
1741 off8 = off & 0xfffffff8;
1742
1743 spin_lock(&adapter->ahw.mem_lock);
1744
1745 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1746 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1747 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1748 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1749
1750 for (j = 0; j < MAX_CTL_CHECK; j++) {
1751 temp = readl(mem_crb + TEST_AGT_CTRL);
1752 if ((temp & TA_CTL_BUSY) == 0)
1753 break;
1754 }
1755
1756 if (j >= MAX_CTL_CHECK) {
1757 if (printk_ratelimit())
1758 dev_err(&adapter->pdev->dev,
1759 "failed to read through agent\n");
1760 ret = -EIO;
1761 } else {
1762 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32;
1763 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO);
1764 *data = val;
1765 ret = 0;
1766 }
1767
1768 spin_unlock(&adapter->ahw.mem_lock);
1769
1770 return ret;
1771 }
1772
1773 void
1774 netxen_setup_hwops(struct netxen_adapter *adapter)
1775 {
1776 adapter->init_port = netxen_niu_xg_init_port;
1777 adapter->stop_port = netxen_niu_disable_xg_port;
1778
1779 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1780 adapter->crb_read = netxen_nic_hw_read_wx_128M,
1781 adapter->crb_write = netxen_nic_hw_write_wx_128M,
1782 adapter->pci_set_window = netxen_nic_pci_set_window_128M,
1783 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M,
1784 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M,
1785 adapter->io_read = netxen_nic_io_read_128M,
1786 adapter->io_write = netxen_nic_io_write_128M,
1787
1788 adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
1789 adapter->set_multi = netxen_p2_nic_set_multi;
1790 adapter->set_mtu = netxen_nic_set_mtu_xgb;
1791 adapter->set_promisc = netxen_p2_nic_set_promisc;
1792
1793 } else {
1794 adapter->crb_read = netxen_nic_hw_read_wx_2M,
1795 adapter->crb_write = netxen_nic_hw_write_wx_2M,
1796 adapter->pci_set_window = netxen_nic_pci_set_window_2M,
1797 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M,
1798 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M,
1799 adapter->io_read = netxen_nic_io_read_2M,
1800 adapter->io_write = netxen_nic_io_write_2M,
1801
1802 adapter->set_mtu = nx_fw_cmd_set_mtu;
1803 adapter->set_promisc = netxen_p3_nic_set_promisc;
1804 adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
1805 adapter->set_multi = netxen_p3_nic_set_multi;
1806
1807 adapter->phy_read = nx_fw_cmd_query_phy;
1808 adapter->phy_write = nx_fw_cmd_set_phy;
1809 }
1810 }
1811
1812 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
1813 {
1814 int offset, board_type, magic;
1815 struct pci_dev *pdev = adapter->pdev;
1816
1817 offset = NX_FW_MAGIC_OFFSET;
1818 if (netxen_rom_fast_read(adapter, offset, &magic))
1819 return -EIO;
1820
1821 if (magic != NETXEN_BDINFO_MAGIC) {
1822 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1823 magic);
1824 return -EIO;
1825 }
1826
1827 offset = NX_BRDTYPE_OFFSET;
1828 if (netxen_rom_fast_read(adapter, offset, &board_type))
1829 return -EIO;
1830
1831 if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) {
1832 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I);
1833 if ((gpio & 0x8000) == 0)
1834 board_type = NETXEN_BRDTYPE_P3_10G_TP;
1835 }
1836
1837 adapter->ahw.board_type = board_type;
1838
1839 switch (board_type) {
1840 case NETXEN_BRDTYPE_P2_SB35_4G:
1841 adapter->ahw.port_type = NETXEN_NIC_GBE;
1842 break;
1843 case NETXEN_BRDTYPE_P2_SB31_10G:
1844 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1845 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1846 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1847 case NETXEN_BRDTYPE_P3_HMEZ:
1848 case NETXEN_BRDTYPE_P3_XG_LOM:
1849 case NETXEN_BRDTYPE_P3_10G_CX4:
1850 case NETXEN_BRDTYPE_P3_10G_CX4_LP:
1851 case NETXEN_BRDTYPE_P3_IMEZ:
1852 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
1853 case NETXEN_BRDTYPE_P3_10G_SFP_CT:
1854 case NETXEN_BRDTYPE_P3_10G_SFP_QT:
1855 case NETXEN_BRDTYPE_P3_10G_XFP:
1856 case NETXEN_BRDTYPE_P3_10000_BASE_T:
1857 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1858 break;
1859 case NETXEN_BRDTYPE_P1_BD:
1860 case NETXEN_BRDTYPE_P1_SB:
1861 case NETXEN_BRDTYPE_P1_SMAX:
1862 case NETXEN_BRDTYPE_P1_SOCK:
1863 case NETXEN_BRDTYPE_P3_REF_QG:
1864 case NETXEN_BRDTYPE_P3_4_GB:
1865 case NETXEN_BRDTYPE_P3_4_GB_MM:
1866 adapter->ahw.port_type = NETXEN_NIC_GBE;
1867 break;
1868 case NETXEN_BRDTYPE_P3_10G_TP:
1869 adapter->ahw.port_type = (adapter->portnum < 2) ?
1870 NETXEN_NIC_XGBE : NETXEN_NIC_GBE;
1871 break;
1872 default:
1873 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1874 adapter->ahw.port_type = NETXEN_NIC_XGBE;
1875 break;
1876 }
1877
1878 return 0;
1879 }
1880
1881 /* NIU access sections */
1882 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
1883 {
1884 new_mtu += MTU_FUDGE_FACTOR;
1885 if (adapter->physical_port == 0)
1886 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
1887 else
1888 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
1889 return 0;
1890 }
1891
1892 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
1893 {
1894 __u32 status;
1895 __u32 autoneg;
1896 __u32 port_mode;
1897
1898 if (!netif_carrier_ok(adapter->netdev)) {
1899 adapter->link_speed = 0;
1900 adapter->link_duplex = -1;
1901 adapter->link_autoneg = AUTONEG_ENABLE;
1902 return;
1903 }
1904
1905 if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
1906 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
1907 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
1908 adapter->link_speed = SPEED_1000;
1909 adapter->link_duplex = DUPLEX_FULL;
1910 adapter->link_autoneg = AUTONEG_DISABLE;
1911 return;
1912 }
1913
1914 if (adapter->phy_read &&
1915 adapter->phy_read(adapter,
1916 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
1917 &status) == 0) {
1918 if (netxen_get_phy_link(status)) {
1919 switch (netxen_get_phy_speed(status)) {
1920 case 0:
1921 adapter->link_speed = SPEED_10;
1922 break;
1923 case 1:
1924 adapter->link_speed = SPEED_100;
1925 break;
1926 case 2:
1927 adapter->link_speed = SPEED_1000;
1928 break;
1929 default:
1930 adapter->link_speed = 0;
1931 break;
1932 }
1933 switch (netxen_get_phy_duplex(status)) {
1934 case 0:
1935 adapter->link_duplex = DUPLEX_HALF;
1936 break;
1937 case 1:
1938 adapter->link_duplex = DUPLEX_FULL;
1939 break;
1940 default:
1941 adapter->link_duplex = -1;
1942 break;
1943 }
1944 if (adapter->phy_read &&
1945 adapter->phy_read(adapter,
1946 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
1947 &autoneg) != 0)
1948 adapter->link_autoneg = autoneg;
1949 } else
1950 goto link_down;
1951 } else {
1952 link_down:
1953 adapter->link_speed = 0;
1954 adapter->link_duplex = -1;
1955 }
1956 }
1957 }
1958
1959 int
1960 netxen_nic_wol_supported(struct netxen_adapter *adapter)
1961 {
1962 u32 wol_cfg;
1963
1964 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1965 return 0;
1966
1967 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
1968 if (wol_cfg & (1UL << adapter->portnum)) {
1969 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
1970 if (wol_cfg & (1 << adapter->portnum))
1971 return 1;
1972 }
1973
1974 return 0;
1975 }
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