linux/drivers/net/netxen/netxen_nic_hw.c
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   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 LICENSE.
  23 *
  24 */
  25
  26#include "netxen_nic.h"
  27#include "netxen_nic_hw.h"
  28
  29#include <net/ip.h>
  30
  31#define MASK(n) ((1ULL<<(n))-1)
  32#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
  33#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
  34#define MS_WIN(addr) (addr & 0x0ffc0000)
  35
  36#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
  37
  38#define CRB_BLK(off)    ((off >> 20) & 0x3f)
  39#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
  40#define CRB_WINDOW_2M   (0x130060)
  41#define CRB_HI(off)     ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
  42#define CRB_INDIRECT_2M (0x1e0000UL)
  43
  44#ifndef readq
  45static inline u64 readq(void __iomem *addr)
  46{
  47        return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
  48}
  49#endif
  50
  51#ifndef writeq
  52static inline void writeq(u64 val, void __iomem *addr)
  53{
  54        writel(((u32) (val)), (addr));
  55        writel(((u32) (val >> 32)), (addr + 4));
  56}
  57#endif
  58
  59#define ADDR_IN_RANGE(addr, low, high)  \
  60        (((addr) < (high)) && ((addr) >= (low)))
  61
  62#define PCI_OFFSET_FIRST_RANGE(adapter, off)    \
  63        ((adapter)->ahw.pci_base0 + (off))
  64#define PCI_OFFSET_SECOND_RANGE(adapter, off)   \
  65        ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START)
  66#define PCI_OFFSET_THIRD_RANGE(adapter, off)    \
  67        ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START)
  68
  69static void __iomem *pci_base_offset(struct netxen_adapter *adapter,
  70                                            unsigned long off)
  71{
  72        if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END))
  73                return PCI_OFFSET_FIRST_RANGE(adapter, off);
  74
  75        if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END))
  76                return PCI_OFFSET_SECOND_RANGE(adapter, off);
  77
  78        if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END))
  79                return PCI_OFFSET_THIRD_RANGE(adapter, off);
  80
  81        return NULL;
  82}
  83
  84static crb_128M_2M_block_map_t
  85crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
  86    {{{0, 0,         0,         0} } },         /* 0: PCI */
  87    {{{1, 0x0100000, 0x0102000, 0x120000},      /* 1: PCIE */
  88          {1, 0x0110000, 0x0120000, 0x130000},
  89          {1, 0x0120000, 0x0122000, 0x124000},
  90          {1, 0x0130000, 0x0132000, 0x126000},
  91          {1, 0x0140000, 0x0142000, 0x128000},
  92          {1, 0x0150000, 0x0152000, 0x12a000},
  93          {1, 0x0160000, 0x0170000, 0x110000},
  94          {1, 0x0170000, 0x0172000, 0x12e000},
  95          {0, 0x0000000, 0x0000000, 0x000000},
  96          {0, 0x0000000, 0x0000000, 0x000000},
  97          {0, 0x0000000, 0x0000000, 0x000000},
  98          {0, 0x0000000, 0x0000000, 0x000000},
  99          {0, 0x0000000, 0x0000000, 0x000000},
 100          {0, 0x0000000, 0x0000000, 0x000000},
 101          {1, 0x01e0000, 0x01e0800, 0x122000},
 102          {0, 0x0000000, 0x0000000, 0x000000} } },
 103        {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
 104    {{{0, 0,         0,         0} } },     /* 3: */
 105    {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
 106    {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
 107    {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
 108    {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
 109    {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
 110      {0, 0x0000000, 0x0000000, 0x000000},
 111      {0, 0x0000000, 0x0000000, 0x000000},
 112      {0, 0x0000000, 0x0000000, 0x000000},
 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      {1, 0x08f0000, 0x08f2000, 0x172000} } },
 125    {{{1, 0x0900000, 0x0902000, 0x174000},      /* 9: SQM1*/
 126      {0, 0x0000000, 0x0000000, 0x000000},
 127      {0, 0x0000000, 0x0000000, 0x000000},
 128      {0, 0x0000000, 0x0000000, 0x000000},
 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      {1, 0x09f0000, 0x09f2000, 0x176000} } },
 141    {{{0, 0x0a00000, 0x0a02000, 0x178000},      /* 10: SQM2*/
 142      {0, 0x0000000, 0x0000000, 0x000000},
 143      {0, 0x0000000, 0x0000000, 0x000000},
 144      {0, 0x0000000, 0x0000000, 0x000000},
 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      {1, 0x0af0000, 0x0af2000, 0x17a000} } },
 157    {{{0, 0x0b00000, 0x0b02000, 0x17c000},      /* 11: SQM3*/
 158      {0, 0x0000000, 0x0000000, 0x000000},
 159      {0, 0x0000000, 0x0000000, 0x000000},
 160      {0, 0x0000000, 0x0000000, 0x000000},
 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      {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
 173        {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
 174        {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
 175        {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
 176        {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
 177        {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
 178        {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
 179        {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
 180        {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
 181        {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
 182        {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
 183        {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
 184        {{{0, 0,         0,         0} } },     /* 23: */
 185        {{{0, 0,         0,         0} } },     /* 24: */
 186        {{{0, 0,         0,         0} } },     /* 25: */
 187        {{{0, 0,         0,         0} } },     /* 26: */
 188        {{{0, 0,         0,         0} } },     /* 27: */
 189        {{{0, 0,         0,         0} } },     /* 28: */
 190        {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
 191    {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
 192    {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
 193        {{{0} } },                              /* 32: PCI */
 194        {{{1, 0x2100000, 0x2102000, 0x120000},  /* 33: PCIE */
 195          {1, 0x2110000, 0x2120000, 0x130000},
 196          {1, 0x2120000, 0x2122000, 0x124000},
 197          {1, 0x2130000, 0x2132000, 0x126000},
 198          {1, 0x2140000, 0x2142000, 0x128000},
 199          {1, 0x2150000, 0x2152000, 0x12a000},
 200          {1, 0x2160000, 0x2170000, 0x110000},
 201          {1, 0x2170000, 0x2172000, 0x12e000},
 202          {0, 0x0000000, 0x0000000, 0x000000},
 203          {0, 0x0000000, 0x0000000, 0x000000},
 204          {0, 0x0000000, 0x0000000, 0x000000},
 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        {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
 211        {{{0} } },                              /* 35: */
 212        {{{0} } },                              /* 36: */
 213        {{{0} } },                              /* 37: */
 214        {{{0} } },                              /* 38: */
 215        {{{0} } },                              /* 39: */
 216        {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
 217        {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
 218        {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
 219        {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
 220        {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
 221        {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
 222        {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
 223        {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
 224        {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
 225        {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
 226        {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
 227        {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
 228        {{{0} } },                              /* 52: */
 229        {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
 230        {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
 231        {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
 232        {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
 233        {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
 234        {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
 235        {{{0} } },                              /* 59: I2C0 */
 236        {{{0} } },                              /* 60: I2C1 */
 237        {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
 238        {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
 239        {{{1, 0x3f00000, 0x3f01000, 0x168000} } }       /* 63: P2NR0 */
 240};
 241
 242/*
 243 * top 12 bits of crb internal address (hub, agent)
 244 */
 245static unsigned crb_hub_agt[64] =
 246{
 247        0,
 248        NETXEN_HW_CRB_HUB_AGT_ADR_PS,
 249        NETXEN_HW_CRB_HUB_AGT_ADR_MN,
 250        NETXEN_HW_CRB_HUB_AGT_ADR_MS,
 251        0,
 252        NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
 253        NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
 254        NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
 255        NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
 256        NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
 257        NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
 258        NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
 259        NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
 260        NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
 261        NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
 262        NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
 263        NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
 264        NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
 265        NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
 266        NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
 267        NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
 268        NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
 269        NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
 270        NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
 271        NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
 272        NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
 273        NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
 274        0,
 275        NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
 276        NETXEN_HW_CRB_HUB_AGT_ADR_SN,
 277        0,
 278        NETXEN_HW_CRB_HUB_AGT_ADR_EG,
 279        0,
 280        NETXEN_HW_CRB_HUB_AGT_ADR_PS,
 281        NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
 282        0,
 283        0,
 284        0,
 285        0,
 286        0,
 287        NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
 288        0,
 289        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
 290        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
 291        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
 292        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
 293        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
 294        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
 295        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
 296        NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
 297        NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
 298        NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
 299        0,
 300        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
 301        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
 302        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
 303        NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
 304        0,
 305        NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
 306        NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
 307        NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
 308        0,
 309        NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
 310        0,
 311};
 312
 313/*  PCI Windowing for DDR regions.  */
 314
 315#define NETXEN_WINDOW_ONE       0x2000000 /*CRB Window: bit 25 of CRB address */
 316
 317#define NETXEN_PCIE_SEM_TIMEOUT 10000
 318
 319int
 320netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg)
 321{
 322        int done = 0, timeout = 0;
 323
 324        while (!done) {
 325                done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem)));
 326                if (done == 1)
 327                        break;
 328                if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT)
 329                        return -1;
 330                msleep(1);
 331        }
 332
 333        if (id_reg)
 334                NXWR32(adapter, id_reg, adapter->portnum);
 335
 336        return 0;
 337}
 338
 339void
 340netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem)
 341{
 342        int val;
 343        val = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
 344}
 345
 346int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
 347{
 348        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
 349                NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
 350                NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
 351        }
 352
 353        return 0;
 354}
 355
 356/* Disable an XG interface */
 357int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
 358{
 359        __u32 mac_cfg;
 360        u32 port = adapter->physical_port;
 361
 362        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 363                return 0;
 364
 365        if (port > NETXEN_NIU_MAX_XG_PORTS)
 366                return -EINVAL;
 367
 368        mac_cfg = 0;
 369        if (NXWR32(adapter,
 370                        NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg))
 371                return -EIO;
 372        return 0;
 373}
 374
 375#define NETXEN_UNICAST_ADDR(port, index) \
 376        (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
 377#define NETXEN_MCAST_ADDR(port, index) \
 378        (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
 379#define MAC_HI(addr) \
 380        ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
 381#define MAC_LO(addr) \
 382        ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
 383
 384int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
 385{
 386        u32 mac_cfg;
 387        u32 cnt = 0;
 388        __u32 reg = 0x0200;
 389        u32 port = adapter->physical_port;
 390        u16 board_type = adapter->ahw.board_type;
 391
 392        if (port > NETXEN_NIU_MAX_XG_PORTS)
 393                return -EINVAL;
 394
 395        mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
 396        mac_cfg &= ~0x4;
 397        NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
 398
 399        if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
 400                        (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
 401                reg = (0x20 << port);
 402
 403        NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
 404
 405        mdelay(10);
 406
 407        while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
 408                mdelay(10);
 409
 410        if (cnt < 20) {
 411
 412                reg = NXRD32(adapter,
 413                        NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
 414
 415                if (mode == NETXEN_NIU_PROMISC_MODE)
 416                        reg = (reg | 0x2000UL);
 417                else
 418                        reg = (reg & ~0x2000UL);
 419
 420                if (mode == NETXEN_NIU_ALLMULTI_MODE)
 421                        reg = (reg | 0x1000UL);
 422                else
 423                        reg = (reg & ~0x1000UL);
 424
 425                NXWR32(adapter,
 426                        NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
 427        }
 428
 429        mac_cfg |= 0x4;
 430        NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
 431
 432        return 0;
 433}
 434
 435int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr)
 436{
 437        u32 mac_hi, mac_lo;
 438        u32 reg_hi, reg_lo;
 439
 440        u8 phy = adapter->physical_port;
 441
 442        if (phy >= NETXEN_NIU_MAX_XG_PORTS)
 443                return -EINVAL;
 444
 445        mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24);
 446        mac_hi = addr[2] | ((u32)addr[3] << 8) |
 447                ((u32)addr[4] << 16) | ((u32)addr[5] << 24);
 448
 449        reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy);
 450        reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy);
 451
 452        /* write twice to flush */
 453        if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
 454                return -EIO;
 455        if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi))
 456                return -EIO;
 457
 458        return 0;
 459}
 460
 461static int
 462netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
 463{
 464        u32     val = 0;
 465        u16 port = adapter->physical_port;
 466        u8 *addr = adapter->mac_addr;
 467
 468        if (adapter->mc_enabled)
 469                return 0;
 470
 471        val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
 472        val |= (1UL << (28+port));
 473        NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
 474
 475        /* add broadcast addr to filter */
 476        val = 0xffffff;
 477        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
 478        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
 479
 480        /* add station addr to filter */
 481        val = MAC_HI(addr);
 482        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
 483        val = MAC_LO(addr);
 484        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val);
 485
 486        adapter->mc_enabled = 1;
 487        return 0;
 488}
 489
 490static int
 491netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
 492{
 493        u32     val = 0;
 494        u16 port = adapter->physical_port;
 495        u8 *addr = adapter->mac_addr;
 496
 497        if (!adapter->mc_enabled)
 498                return 0;
 499
 500        val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG);
 501        val &= ~(1UL << (28+port));
 502        NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
 503
 504        val = MAC_HI(addr);
 505        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
 506        val = MAC_LO(addr);
 507        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val);
 508
 509        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
 510        NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
 511
 512        adapter->mc_enabled = 0;
 513        return 0;
 514}
 515
 516static int
 517netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
 518                int index, u8 *addr)
 519{
 520        u32 hi = 0, lo = 0;
 521        u16 port = adapter->physical_port;
 522
 523        lo = MAC_LO(addr);
 524        hi = MAC_HI(addr);
 525
 526        NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi);
 527        NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo);
 528
 529        return 0;
 530}
 531
 532void netxen_p2_nic_set_multi(struct net_device *netdev)
 533{
 534        struct netxen_adapter *adapter = netdev_priv(netdev);
 535        struct dev_mc_list *mc_ptr;
 536        u8 null_addr[6];
 537        int index = 0;
 538
 539        memset(null_addr, 0, 6);
 540
 541        if (netdev->flags & IFF_PROMISC) {
 542
 543                adapter->set_promisc(adapter,
 544                                NETXEN_NIU_PROMISC_MODE);
 545
 546                /* Full promiscuous mode */
 547                netxen_nic_disable_mcast_filter(adapter);
 548
 549                return;
 550        }
 551
 552        if (netdev->mc_count == 0) {
 553                adapter->set_promisc(adapter,
 554                                NETXEN_NIU_NON_PROMISC_MODE);
 555                netxen_nic_disable_mcast_filter(adapter);
 556                return;
 557        }
 558
 559        adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
 560        if (netdev->flags & IFF_ALLMULTI ||
 561                        netdev->mc_count > adapter->max_mc_count) {
 562                netxen_nic_disable_mcast_filter(adapter);
 563                return;
 564        }
 565
 566        netxen_nic_enable_mcast_filter(adapter);
 567
 568        for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next, index++)
 569                netxen_nic_set_mcast_addr(adapter, index, mc_ptr->dmi_addr);
 570
 571        if (index != netdev->mc_count)
 572                printk(KERN_WARNING "%s: %s multicast address count mismatch\n",
 573                        netxen_nic_driver_name, netdev->name);
 574
 575        /* Clear out remaining addresses */
 576        for (; index < adapter->max_mc_count; index++)
 577                netxen_nic_set_mcast_addr(adapter, index, null_addr);
 578}
 579
 580static int
 581netxen_send_cmd_descs(struct netxen_adapter *adapter,
 582                struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
 583{
 584        u32 i, producer, consumer;
 585        struct netxen_cmd_buffer *pbuf;
 586        struct cmd_desc_type0 *cmd_desc;
 587        struct nx_host_tx_ring *tx_ring;
 588
 589        i = 0;
 590
 591        if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 592                return -EIO;
 593
 594        tx_ring = adapter->tx_ring;
 595        __netif_tx_lock_bh(tx_ring->txq);
 596
 597        producer = tx_ring->producer;
 598        consumer = tx_ring->sw_consumer;
 599
 600        if (nr_desc >= netxen_tx_avail(tx_ring)) {
 601                netif_tx_stop_queue(tx_ring->txq);
 602                __netif_tx_unlock_bh(tx_ring->txq);
 603                return -EBUSY;
 604        }
 605
 606        do {
 607                cmd_desc = &cmd_desc_arr[i];
 608
 609                pbuf = &tx_ring->cmd_buf_arr[producer];
 610                pbuf->skb = NULL;
 611                pbuf->frag_count = 0;
 612
 613                memcpy(&tx_ring->desc_head[producer],
 614                        &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
 615
 616                producer = get_next_index(producer, tx_ring->num_desc);
 617                i++;
 618
 619        } while (i != nr_desc);
 620
 621        tx_ring->producer = producer;
 622
 623        netxen_nic_update_cmd_producer(adapter, tx_ring);
 624
 625        __netif_tx_unlock_bh(tx_ring->txq);
 626
 627        return 0;
 628}
 629
 630static int
 631nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op)
 632{
 633        nx_nic_req_t req;
 634        nx_mac_req_t *mac_req;
 635        u64 word;
 636
 637        memset(&req, 0, sizeof(nx_nic_req_t));
 638        req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23);
 639
 640        word = NX_MAC_EVENT | ((u64)adapter->portnum << 16);
 641        req.req_hdr = cpu_to_le64(word);
 642
 643        mac_req = (nx_mac_req_t *)&req.words[0];
 644        mac_req->op = op;
 645        memcpy(mac_req->mac_addr, addr, 6);
 646
 647        return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 648}
 649
 650static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
 651                u8 *addr, struct list_head *del_list)
 652{
 653        struct list_head *head;
 654        nx_mac_list_t *cur;
 655
 656        /* look up if already exists */
 657        list_for_each(head, del_list) {
 658                cur = list_entry(head, nx_mac_list_t, list);
 659
 660                if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
 661                        list_move_tail(head, &adapter->mac_list);
 662                        return 0;
 663                }
 664        }
 665
 666        cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC);
 667        if (cur == NULL) {
 668                printk(KERN_ERR "%s: failed to add mac address filter\n",
 669                                adapter->netdev->name);
 670                return -ENOMEM;
 671        }
 672        memcpy(cur->mac_addr, addr, ETH_ALEN);
 673        list_add_tail(&cur->list, &adapter->mac_list);
 674        return nx_p3_sre_macaddr_change(adapter,
 675                                cur->mac_addr, NETXEN_MAC_ADD);
 676}
 677
 678void netxen_p3_nic_set_multi(struct net_device *netdev)
 679{
 680        struct netxen_adapter *adapter = netdev_priv(netdev);
 681        struct dev_mc_list *mc_ptr;
 682        u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 683        u32 mode = VPORT_MISS_MODE_DROP;
 684        LIST_HEAD(del_list);
 685        struct list_head *head;
 686        nx_mac_list_t *cur;
 687
 688        list_splice_tail_init(&adapter->mac_list, &del_list);
 689
 690        nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list);
 691        nx_p3_nic_add_mac(adapter, bcast_addr, &del_list);
 692
 693        if (netdev->flags & IFF_PROMISC) {
 694                mode = VPORT_MISS_MODE_ACCEPT_ALL;
 695                goto send_fw_cmd;
 696        }
 697
 698        if ((netdev->flags & IFF_ALLMULTI) ||
 699                        (netdev->mc_count > adapter->max_mc_count)) {
 700                mode = VPORT_MISS_MODE_ACCEPT_MULTI;
 701                goto send_fw_cmd;
 702        }
 703
 704        if (netdev->mc_count > 0) {
 705                for (mc_ptr = netdev->mc_list; mc_ptr;
 706                     mc_ptr = mc_ptr->next) {
 707                        nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr, &del_list);
 708                }
 709        }
 710
 711send_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
 724int 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
 743void 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
 757int 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 */
 769int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
 770{
 771        nx_nic_req_t req;
 772        u64 word;
 773        int rv;
 774
 775        memset(&req, 0, sizeof(nx_nic_req_t));
 776
 777        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 778
 779        word = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
 780        req.req_hdr = cpu_to_le64(word);
 781
 782        memcpy(&req.words[0], &adapter->coal, sizeof(adapter->coal));
 783
 784        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 785        if (rv != 0) {
 786                printk(KERN_ERR "ERROR. Could not send "
 787                        "interrupt coalescing parameters\n");
 788        }
 789
 790        return rv;
 791}
 792
 793int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable)
 794{
 795        nx_nic_req_t req;
 796        u64 word;
 797        int rv = 0;
 798
 799        if ((adapter->flags & NETXEN_NIC_LRO_ENABLED) == enable)
 800                return 0;
 801
 802        memset(&req, 0, sizeof(nx_nic_req_t));
 803
 804        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 805
 806        word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
 807        req.req_hdr = cpu_to_le64(word);
 808
 809        req.words[0] = cpu_to_le64(enable);
 810
 811        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 812        if (rv != 0) {
 813                printk(KERN_ERR "ERROR. Could not send "
 814                        "configure hw lro request\n");
 815        }
 816
 817        adapter->flags ^= NETXEN_NIC_LRO_ENABLED;
 818
 819        return rv;
 820}
 821
 822int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable)
 823{
 824        nx_nic_req_t req;
 825        u64 word;
 826        int rv = 0;
 827
 828        if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable)
 829                return rv;
 830
 831        memset(&req, 0, sizeof(nx_nic_req_t));
 832
 833        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 834
 835        word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING |
 836                ((u64)adapter->portnum << 16);
 837        req.req_hdr = cpu_to_le64(word);
 838
 839        req.words[0] = cpu_to_le64(enable);
 840
 841        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 842        if (rv != 0) {
 843                printk(KERN_ERR "ERROR. Could not send "
 844                                "configure bridge mode request\n");
 845        }
 846
 847        adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED;
 848
 849        return rv;
 850}
 851
 852
 853#define RSS_HASHTYPE_IP_TCP     0x3
 854
 855int netxen_config_rss(struct netxen_adapter *adapter, int enable)
 856{
 857        nx_nic_req_t req;
 858        u64 word;
 859        int i, rv;
 860
 861        u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
 862                        0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
 863                        0x255b0ec26d5a56daULL };
 864
 865
 866        memset(&req, 0, sizeof(nx_nic_req_t));
 867        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 868
 869        word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
 870        req.req_hdr = cpu_to_le64(word);
 871
 872        /*
 873         * RSS request:
 874         * bits 3-0: hash_method
 875         *      5-4: hash_type_ipv4
 876         *      7-6: hash_type_ipv6
 877         *        8: enable
 878         *        9: use indirection table
 879         *    47-10: reserved
 880         *    63-48: indirection table mask
 881         */
 882        word =  ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
 883                ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
 884                ((u64)(enable & 0x1) << 8) |
 885                ((0x7ULL) << 48);
 886        req.words[0] = cpu_to_le64(word);
 887        for (i = 0; i < 5; i++)
 888                req.words[i+1] = cpu_to_le64(key[i]);
 889
 890
 891        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 892        if (rv != 0) {
 893                printk(KERN_ERR "%s: could not configure RSS\n",
 894                                adapter->netdev->name);
 895        }
 896
 897        return rv;
 898}
 899
 900int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd)
 901{
 902        nx_nic_req_t req;
 903        u64 word;
 904        int rv;
 905
 906        memset(&req, 0, sizeof(nx_nic_req_t));
 907        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 908
 909        word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
 910        req.req_hdr = cpu_to_le64(word);
 911
 912        req.words[0] = cpu_to_le64(cmd);
 913        req.words[1] = cpu_to_le64(ip);
 914
 915        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 916        if (rv != 0) {
 917                printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n",
 918                                adapter->netdev->name,
 919                                (cmd == NX_IP_UP) ? "Add" : "Remove", ip);
 920        }
 921        return rv;
 922}
 923
 924int netxen_linkevent_request(struct netxen_adapter *adapter, int enable)
 925{
 926        nx_nic_req_t req;
 927        u64 word;
 928        int rv;
 929
 930        memset(&req, 0, sizeof(nx_nic_req_t));
 931        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 932
 933        word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
 934        req.req_hdr = cpu_to_le64(word);
 935        req.words[0] = cpu_to_le64(enable | (enable << 8));
 936
 937        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 938        if (rv != 0) {
 939                printk(KERN_ERR "%s: could not configure link notification\n",
 940                                adapter->netdev->name);
 941        }
 942
 943        return rv;
 944}
 945
 946int netxen_send_lro_cleanup(struct netxen_adapter *adapter)
 947{
 948        nx_nic_req_t req;
 949        u64 word;
 950        int rv;
 951
 952        memset(&req, 0, sizeof(nx_nic_req_t));
 953        req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23);
 954
 955        word = NX_NIC_H2C_OPCODE_LRO_REQUEST |
 956                ((u64)adapter->portnum << 16) |
 957                ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ;
 958
 959        req.req_hdr = cpu_to_le64(word);
 960
 961        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 962        if (rv != 0) {
 963                printk(KERN_ERR "%s: could not cleanup lro flows\n",
 964                                adapter->netdev->name);
 965        }
 966        return rv;
 967}
 968
 969/*
 970 * netxen_nic_change_mtu - Change the Maximum Transfer Unit
 971 * @returns 0 on success, negative on failure
 972 */
 973
 974#define MTU_FUDGE_FACTOR        100
 975
 976int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
 977{
 978        struct netxen_adapter *adapter = netdev_priv(netdev);
 979        int max_mtu;
 980        int rc = 0;
 981
 982        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 983                max_mtu = P3_MAX_MTU;
 984        else
 985                max_mtu = P2_MAX_MTU;
 986
 987        if (mtu > max_mtu) {
 988                printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
 989                                netdev->name, max_mtu);
 990                return -EINVAL;
 991        }
 992
 993        if (adapter->set_mtu)
 994                rc = adapter->set_mtu(adapter, mtu);
 995
 996        if (!rc)
 997                netdev->mtu = mtu;
 998
 999        return rc;
1000}
1001
1002static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
1003                                  int size, __le32 * buf)
1004{
1005        int i, v, addr;
1006        __le32 *ptr32;
1007
1008        addr = base;
1009        ptr32 = buf;
1010        for (i = 0; i < size / sizeof(u32); i++) {
1011                if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1012                        return -1;
1013                *ptr32 = cpu_to_le32(v);
1014                ptr32++;
1015                addr += sizeof(u32);
1016        }
1017        if ((char *)buf + size > (char *)ptr32) {
1018                __le32 local;
1019                if (netxen_rom_fast_read(adapter, addr, &v) == -1)
1020                        return -1;
1021                local = cpu_to_le32(v);
1022                memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
1023        }
1024
1025        return 0;
1026}
1027
1028int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac)
1029{
1030        __le32 *pmac = (__le32 *) mac;
1031        u32 offset;
1032
1033        offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64));
1034
1035        if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1)
1036                return -1;
1037
1038        if (*mac == cpu_to_le64(~0ULL)) {
1039
1040                offset = NX_OLD_MAC_ADDR_OFFSET +
1041                        (adapter->portnum * sizeof(u64));
1042
1043                if (netxen_get_flash_block(adapter,
1044                                        offset, sizeof(u64), pmac) == -1)
1045                        return -1;
1046
1047                if (*mac == cpu_to_le64(~0ULL))
1048                        return -1;
1049        }
1050        return 0;
1051}
1052
1053int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac)
1054{
1055        uint32_t crbaddr, mac_hi, mac_lo;
1056        int pci_func = adapter->ahw.pci_func;
1057
1058        crbaddr = CRB_MAC_BLOCK_START +
1059                (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1));
1060
1061        mac_lo = NXRD32(adapter, crbaddr);
1062        mac_hi = NXRD32(adapter, crbaddr+4);
1063
1064        if (pci_func & 1)
1065                *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16));
1066        else
1067                *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32));
1068
1069        return 0;
1070}
1071
1072/*
1073 * Changes the CRB window to the specified window.
1074 */
1075static void
1076netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw)
1077{
1078        void __iomem *offset;
1079        u32 tmp;
1080        int count = 0;
1081        uint8_t func = adapter->ahw.pci_func;
1082
1083        if (adapter->curr_window == wndw)
1084                return;
1085        /*
1086         * Move the CRB window.
1087         * We need to write to the "direct access" region of PCI
1088         * to avoid a race condition where the window register has
1089         * not been successfully written across CRB before the target
1090         * register address is received by PCI. The direct region bypasses
1091         * the CRB bus.
1092         */
1093        offset = PCI_OFFSET_SECOND_RANGE(adapter,
1094                        NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
1095
1096        if (wndw & 0x1)
1097                wndw = NETXEN_WINDOW_ONE;
1098
1099        writel(wndw, offset);
1100
1101        /* MUST make sure window is set before we forge on... */
1102        while ((tmp = readl(offset)) != wndw) {
1103                printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
1104                       "registered properly: 0x%08x.\n",
1105                       netxen_nic_driver_name, __func__, tmp);
1106                mdelay(1);
1107                if (count >= 10)
1108                        break;
1109                count++;
1110        }
1111
1112        if (wndw == NETXEN_WINDOW_ONE)
1113                adapter->curr_window = 1;
1114        else
1115                adapter->curr_window = 0;
1116}
1117
1118/*
1119 * Return -1 if off is not valid,
1120 *       1 if window access is needed. 'off' is set to offset from
1121 *         CRB space in 128M pci map
1122 *       0 if no window access is needed. 'off' is set to 2M addr
1123 * In: 'off' is offset from base in 128M pci map
1124 */
1125static int
1126netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, ulong *off)
1127{
1128        crb_128M_2M_sub_block_map_t *m;
1129
1130
1131        if (*off >= NETXEN_CRB_MAX)
1132                return -1;
1133
1134        if (*off >= NETXEN_PCI_CAMQM && (*off < NETXEN_PCI_CAMQM_2M_END)) {
1135                *off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
1136                        (ulong)adapter->ahw.pci_base0;
1137                return 0;
1138        }
1139
1140        if (*off < NETXEN_PCI_CRBSPACE)
1141                return -1;
1142
1143        *off -= NETXEN_PCI_CRBSPACE;
1144
1145        /*
1146         * Try direct map
1147         */
1148        m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
1149
1150        if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
1151                *off = *off + m->start_2M - m->start_128M +
1152                        (ulong)adapter->ahw.pci_base0;
1153                return 0;
1154        }
1155
1156        /*
1157         * Not in direct map, use crb window
1158         */
1159        return 1;
1160}
1161
1162/*
1163 * In: 'off' is offset from CRB space in 128M pci map
1164 * Out: 'off' is 2M pci map addr
1165 * side effect: lock crb window
1166 */
1167static void
1168netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
1169{
1170        u32 win_read;
1171
1172        adapter->crb_win = CRB_HI(*off);
1173        writel(adapter->crb_win, (adapter->ahw.pci_base0 + CRB_WINDOW_2M));
1174        /*
1175         * Read back value to make sure write has gone through before trying
1176         * to use it.
1177         */
1178        win_read = readl(adapter->ahw.pci_base0 + CRB_WINDOW_2M);
1179        if (win_read != adapter->crb_win) {
1180                printk(KERN_ERR "%s: Written crbwin (0x%x) != "
1181                                "Read crbwin (0x%x), off=0x%lx\n",
1182                                __func__, adapter->crb_win, win_read, *off);
1183        }
1184        *off = (*off & MASK(16)) + CRB_INDIRECT_2M +
1185                (ulong)adapter->ahw.pci_base0;
1186}
1187
1188static int
1189netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
1190{
1191        unsigned long flags;
1192        void __iomem *addr;
1193
1194        if (ADDR_IN_WINDOW1(off))
1195                addr = NETXEN_CRB_NORMALIZE(adapter, off);
1196        else
1197                addr = pci_base_offset(adapter, off);
1198
1199        BUG_ON(!addr);
1200
1201        if (ADDR_IN_WINDOW1(off)) {     /* Window 1 */
1202                read_lock(&adapter->adapter_lock);
1203                writel(data, addr);
1204                read_unlock(&adapter->adapter_lock);
1205        } else {                /* Window 0 */
1206                write_lock_irqsave(&adapter->adapter_lock, flags);
1207                addr = pci_base_offset(adapter, off);
1208                netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1209                writel(data, addr);
1210                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1211                write_unlock_irqrestore(&adapter->adapter_lock, flags);
1212        }
1213
1214        return 0;
1215}
1216
1217static u32
1218netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
1219{
1220        unsigned long flags;
1221        void __iomem *addr;
1222        u32 data;
1223
1224        if (ADDR_IN_WINDOW1(off))
1225                addr = NETXEN_CRB_NORMALIZE(adapter, off);
1226        else
1227                addr = pci_base_offset(adapter, off);
1228
1229        BUG_ON(!addr);
1230
1231        if (ADDR_IN_WINDOW1(off)) {     /* Window 1 */
1232                read_lock(&adapter->adapter_lock);
1233                data = readl(addr);
1234                read_unlock(&adapter->adapter_lock);
1235        } else {                /* Window 0 */
1236                write_lock_irqsave(&adapter->adapter_lock, flags);
1237                netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1238                data = readl(addr);
1239                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1240                write_unlock_irqrestore(&adapter->adapter_lock, flags);
1241        }
1242
1243        return data;
1244}
1245
1246static int
1247netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
1248{
1249        unsigned long flags;
1250        int rv;
1251
1252        rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
1253
1254        if (rv == -1) {
1255                printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
1256                                __func__, off);
1257                dump_stack();
1258                return -1;
1259        }
1260
1261        if (rv == 1) {
1262                write_lock_irqsave(&adapter->adapter_lock, flags);
1263                crb_win_lock(adapter);
1264                netxen_nic_pci_set_crbwindow_2M(adapter, &off);
1265                writel(data, (void __iomem *)off);
1266                crb_win_unlock(adapter);
1267                write_unlock_irqrestore(&adapter->adapter_lock, flags);
1268        } else
1269                writel(data, (void __iomem *)off);
1270
1271
1272        return 0;
1273}
1274
1275static u32
1276netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
1277{
1278        unsigned long flags;
1279        int rv;
1280        u32 data;
1281
1282        rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off);
1283
1284        if (rv == -1) {
1285                printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
1286                                __func__, off);
1287                dump_stack();
1288                return -1;
1289        }
1290
1291        if (rv == 1) {
1292                write_lock_irqsave(&adapter->adapter_lock, flags);
1293                crb_win_lock(adapter);
1294                netxen_nic_pci_set_crbwindow_2M(adapter, &off);
1295                data = readl((void __iomem *)off);
1296                crb_win_unlock(adapter);
1297                write_unlock_irqrestore(&adapter->adapter_lock, flags);
1298        } else
1299                data = readl((void __iomem *)off);
1300
1301        return data;
1302}
1303
1304static int netxen_pci_set_window_warning_count;
1305
1306static unsigned long
1307netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
1308                unsigned long long addr)
1309{
1310        void __iomem *offset;
1311        int window;
1312        unsigned long long      qdr_max;
1313        uint8_t func = adapter->ahw.pci_func;
1314
1315        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1316                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
1317        } else {
1318                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
1319        }
1320
1321        if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1322                /* DDR network side */
1323                addr -= NETXEN_ADDR_DDR_NET;
1324                window = (addr >> 25) & 0x3ff;
1325                if (adapter->ahw.ddr_mn_window != window) {
1326                        adapter->ahw.ddr_mn_window = window;
1327                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
1328                                NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func)));
1329                        writel(window, offset);
1330                        /* MUST make sure window is set before we forge on... */
1331                        readl(offset);
1332                }
1333                addr -= (window * NETXEN_WINDOW_ONE);
1334                addr += NETXEN_PCI_DDR_NET;
1335        } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1336                addr -= NETXEN_ADDR_OCM0;
1337                addr += NETXEN_PCI_OCM0;
1338        } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
1339                addr -= NETXEN_ADDR_OCM1;
1340                addr += NETXEN_PCI_OCM1;
1341        } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
1342                /* QDR network side */
1343                addr -= NETXEN_ADDR_QDR_NET;
1344                window = (addr >> 22) & 0x3f;
1345                if (adapter->ahw.qdr_sn_window != window) {
1346                        adapter->ahw.qdr_sn_window = window;
1347                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
1348                                NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func)));
1349                        writel((window << 22), offset);
1350                        /* MUST make sure window is set before we forge on... */
1351                        readl(offset);
1352                }
1353                addr -= (window * 0x400000);
1354                addr += NETXEN_PCI_QDR_NET;
1355        } else {
1356                /*
1357                 * peg gdb frequently accesses memory that doesn't exist,
1358                 * this limits the chit chat so debugging isn't slowed down.
1359                 */
1360                if ((netxen_pci_set_window_warning_count++ < 8)
1361                    || (netxen_pci_set_window_warning_count % 64 == 0))
1362                        printk("%s: Warning:netxen_nic_pci_set_window()"
1363                               " Unknown address range!\n",
1364                               netxen_nic_driver_name);
1365                addr = -1UL;
1366        }
1367        return addr;
1368}
1369
1370/* window 1 registers only */
1371static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
1372                void __iomem *addr, u32 data)
1373{
1374        read_lock(&adapter->adapter_lock);
1375        writel(data, addr);
1376        read_unlock(&adapter->adapter_lock);
1377}
1378
1379static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
1380                void __iomem *addr)
1381{
1382        u32 val;
1383
1384        read_lock(&adapter->adapter_lock);
1385        val = readl(addr);
1386        read_unlock(&adapter->adapter_lock);
1387
1388        return val;
1389}
1390
1391static void netxen_nic_io_write_2M(struct netxen_adapter *adapter,
1392                void __iomem *addr, u32 data)
1393{
1394        writel(data, addr);
1395}
1396
1397static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter,
1398                void __iomem *addr)
1399{
1400        return readl(addr);
1401}
1402
1403void __iomem *
1404netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset)
1405{
1406        ulong off = offset;
1407
1408        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1409                if (offset < NETXEN_CRB_PCIX_HOST2 &&
1410                                offset > NETXEN_CRB_PCIX_HOST)
1411                        return PCI_OFFSET_SECOND_RANGE(adapter, offset);
1412                return NETXEN_CRB_NORMALIZE(adapter, offset);
1413        }
1414
1415        BUG_ON(netxen_nic_pci_get_crb_addr_2M(adapter, &off));
1416        return (void __iomem *)off;
1417}
1418
1419static unsigned long
1420netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
1421                unsigned long long addr)
1422{
1423        int window;
1424        u32 win_read;
1425
1426        if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1427                /* DDR network side */
1428                window = MN_WIN(addr);
1429                adapter->ahw.ddr_mn_window = window;
1430                NXWR32(adapter, adapter->ahw.mn_win_crb, window);
1431                win_read = NXRD32(adapter, adapter->ahw.mn_win_crb);
1432                if ((win_read << 17) != window) {
1433                        printk(KERN_INFO "Written MNwin (0x%x) != "
1434                                "Read MNwin (0x%x)\n", window, win_read);
1435                }
1436                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET;
1437        } else if (ADDR_IN_RANGE(addr,
1438                                NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
1439                if ((addr & 0x00ff800) == 0xff800) {
1440                        printk("%s: QM access not handled.\n", __func__);
1441                        addr = -1UL;
1442                }
1443
1444                window = OCM_WIN(addr);
1445                adapter->ahw.ddr_mn_window = window;
1446                NXWR32(adapter, adapter->ahw.mn_win_crb, window);
1447                win_read = NXRD32(adapter, adapter->ahw.mn_win_crb);
1448                if ((win_read >> 7) != window) {
1449                        printk(KERN_INFO "%s: Written OCMwin (0x%x) != "
1450                                        "Read OCMwin (0x%x)\n",
1451                                        __func__, window, win_read);
1452                }
1453                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M;
1454
1455        } else if (ADDR_IN_RANGE(addr,
1456                        NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) {
1457                /* QDR network side */
1458                window = MS_WIN(addr);
1459                adapter->ahw.qdr_sn_window = window;
1460                NXWR32(adapter, adapter->ahw.ms_win_crb, window);
1461                win_read = NXRD32(adapter, adapter->ahw.ms_win_crb);
1462                if (win_read != window) {
1463                        printk(KERN_INFO "%s: Written MSwin (0x%x) != "
1464                                        "Read MSwin (0x%x)\n",
1465                                        __func__, window, win_read);
1466                }
1467                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET;
1468
1469        } else {
1470                /*
1471                 * peg gdb frequently accesses memory that doesn't exist,
1472                 * this limits the chit chat so debugging isn't slowed down.
1473                 */
1474                if ((netxen_pci_set_window_warning_count++ < 8)
1475                        || (netxen_pci_set_window_warning_count%64 == 0)) {
1476                        printk("%s: Warning:%s Unknown address range!\n",
1477                                        __func__, netxen_nic_driver_name);
1478}
1479                addr = -1UL;
1480        }
1481        return addr;
1482}
1483
1484#define MAX_CTL_CHECK   1000
1485
1486static int
1487netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
1488                u64 off, void *data, int size)
1489{
1490        unsigned long   flags;
1491        int          i, j, ret = 0, loop, sz[2], off0;
1492        uint32_t      temp;
1493        uint64_t      off8, tmpw, word[2] = {0, 0};
1494        void __iomem *mem_crb;
1495
1496        if (size != 8)
1497                return -EIO;
1498
1499        if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1500                                NETXEN_ADDR_QDR_NET_MAX_P2)) {
1501                mem_crb = pci_base_offset(adapter, NETXEN_CRB_QDR_NET);
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, NETXEN_CRB_DDR_NET);
1507                goto correct;
1508        }
1509
1510        return -EIO;
1511
1512correct:
1513        off8 = off & 0xfffffff8;
1514        off0 = off & 0x7;
1515        sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1516        sz[1] = size - sz[0];
1517        loop = ((off0 + size - 1) >> 3) + 1;
1518
1519        if ((size != 8) || (off0 != 0))  {
1520                for (i = 0; i < loop; i++) {
1521                        if (adapter->pci_mem_read(adapter,
1522                                off8 + (i << 3), &word[i], 8))
1523                                return -1;
1524                }
1525        }
1526
1527        switch (size) {
1528        case 1:
1529                tmpw = *((uint8_t *)data);
1530                break;
1531        case 2:
1532                tmpw = *((uint16_t *)data);
1533                break;
1534        case 4:
1535                tmpw = *((uint32_t *)data);
1536                break;
1537        case 8:
1538        default:
1539                tmpw = *((uint64_t *)data);
1540                break;
1541        }
1542        word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1543        word[0] |= tmpw << (off0 * 8);
1544
1545        if (loop == 2) {
1546                word[1] &= ~(~0ULL << (sz[1] * 8));
1547                word[1] |= tmpw >> (sz[0] * 8);
1548        }
1549
1550        write_lock_irqsave(&adapter->adapter_lock, flags);
1551        netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1552
1553        for (i = 0; i < loop; i++) {
1554                writel((uint32_t)(off8 + (i << 3)),
1555                        (mem_crb+MIU_TEST_AGT_ADDR_LO));
1556                writel(0,
1557                        (mem_crb+MIU_TEST_AGT_ADDR_HI));
1558                writel(word[i] & 0xffffffff,
1559                        (mem_crb+MIU_TEST_AGT_WRDATA_LO));
1560                writel((word[i] >> 32) & 0xffffffff,
1561                        (mem_crb+MIU_TEST_AGT_WRDATA_HI));
1562                writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
1563                        (mem_crb+MIU_TEST_AGT_CTRL));
1564                writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
1565                        (mem_crb+MIU_TEST_AGT_CTRL));
1566
1567                for (j = 0; j < MAX_CTL_CHECK; j++) {
1568                        temp = readl(
1569                             (mem_crb+MIU_TEST_AGT_CTRL));
1570                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1571                                break;
1572                }
1573
1574                if (j >= MAX_CTL_CHECK) {
1575                        if (printk_ratelimit())
1576                                dev_err(&adapter->pdev->dev,
1577                                        "failed to write through agent\n");
1578                        ret = -1;
1579                        break;
1580                }
1581        }
1582
1583        netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1584        write_unlock_irqrestore(&adapter->adapter_lock, flags);
1585        return ret;
1586}
1587
1588static int
1589netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
1590                u64 off, void *data, int size)
1591{
1592        unsigned long   flags;
1593        int          i, j = 0, k, start, end, loop, sz[2], off0[2];
1594        uint32_t      temp;
1595        uint64_t      off8, val, word[2] = {0, 0};
1596        void __iomem *mem_crb;
1597
1598        if (size != 8)
1599                return -EIO;
1600
1601        if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1602                                NETXEN_ADDR_QDR_NET_MAX_P2)) {
1603                mem_crb = pci_base_offset(adapter, NETXEN_CRB_QDR_NET);
1604                goto correct;
1605        }
1606
1607        if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1608                mem_crb = pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
1609                goto correct;
1610        }
1611
1612        return -EIO;
1613
1614correct:
1615        off8 = off & 0xfffffff8;
1616        off0[0] = off & 0x7;
1617        off0[1] = 0;
1618        sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
1619        sz[1] = size - sz[0];
1620        loop = ((off0[0] + size - 1) >> 3) + 1;
1621
1622        write_lock_irqsave(&adapter->adapter_lock, flags);
1623        netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1624
1625        for (i = 0; i < loop; i++) {
1626                writel((uint32_t)(off8 + (i << 3)),
1627                        (mem_crb+MIU_TEST_AGT_ADDR_LO));
1628                writel(0,
1629                        (mem_crb+MIU_TEST_AGT_ADDR_HI));
1630                writel(MIU_TA_CTL_ENABLE,
1631                        (mem_crb+MIU_TEST_AGT_CTRL));
1632                writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE,
1633                        (mem_crb+MIU_TEST_AGT_CTRL));
1634
1635                for (j = 0; j < MAX_CTL_CHECK; j++) {
1636                        temp = readl(
1637                              (mem_crb+MIU_TEST_AGT_CTRL));
1638                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1639                                break;
1640                }
1641
1642                if (j >= MAX_CTL_CHECK) {
1643                        if (printk_ratelimit())
1644                                dev_err(&adapter->pdev->dev,
1645                                        "failed to read through agent\n");
1646                        break;
1647                }
1648
1649                start = off0[i] >> 2;
1650                end   = (off0[i] + sz[i] - 1) >> 2;
1651                for (k = start; k <= end; k++) {
1652                        word[i] |= ((uint64_t) readl(
1653                                    (mem_crb +
1654                                    MIU_TEST_AGT_RDDATA(k))) << (32*k));
1655                }
1656        }
1657
1658        netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1659        write_unlock_irqrestore(&adapter->adapter_lock, flags);
1660
1661        if (j >= MAX_CTL_CHECK)
1662                return -1;
1663
1664        if (sz[0] == 8) {
1665                val = word[0];
1666        } else {
1667                val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1668                        ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1669        }
1670
1671        switch (size) {
1672        case 1:
1673                *(uint8_t  *)data = val;
1674                break;
1675        case 2:
1676                *(uint16_t *)data = val;
1677                break;
1678        case 4:
1679                *(uint32_t *)data = val;
1680                break;
1681        case 8:
1682                *(uint64_t *)data = val;
1683                break;
1684        }
1685        return 0;
1686}
1687
1688static int
1689netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
1690                u64 off, void *data, int size)
1691{
1692        int i, j, ret = 0, loop, sz[2], off0;
1693        uint32_t temp;
1694        uint64_t off8, tmpw, word[2] = {0, 0};
1695        void __iomem *mem_crb;
1696
1697        if (size != 8)
1698                return -EIO;
1699
1700        if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1701                                NETXEN_ADDR_QDR_NET_MAX_P3)) {
1702                mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_QDR_NET);
1703                goto correct;
1704        }
1705
1706        if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1707                mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_DDR_NET);
1708                goto correct;
1709        }
1710
1711        return -EIO;
1712
1713correct:
1714        off8 = off & 0xfffffff8;
1715        off0 = off & 0x7;
1716        sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1717        sz[1] = size - sz[0];
1718        loop = ((off0 + size - 1) >> 3) + 1;
1719
1720        if ((size != 8) || (off0 != 0)) {
1721                for (i = 0; i < loop; i++) {
1722                        if (adapter->pci_mem_read(adapter,
1723                                        off8 + (i << 3), &word[i], 8))
1724                                return -1;
1725                }
1726        }
1727
1728        switch (size) {
1729        case 1:
1730                tmpw = *((uint8_t *)data);
1731                break;
1732        case 2:
1733                tmpw = *((uint16_t *)data);
1734                break;
1735        case 4:
1736                tmpw = *((uint32_t *)data);
1737                break;
1738        case 8:
1739        default:
1740                tmpw = *((uint64_t *)data);
1741        break;
1742        }
1743
1744        word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1745        word[0] |= tmpw << (off0 * 8);
1746
1747        if (loop == 2) {
1748                word[1] &= ~(~0ULL << (sz[1] * 8));
1749                word[1] |= tmpw >> (sz[0] * 8);
1750        }
1751
1752        /*
1753         * don't lock here - write_wx gets the lock if each time
1754         * write_lock_irqsave(&adapter->adapter_lock, flags);
1755         * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1756         */
1757
1758        for (i = 0; i < loop; i++) {
1759                writel(off8 + (i << 3), mem_crb+MIU_TEST_AGT_ADDR_LO);
1760                writel(0, mem_crb+MIU_TEST_AGT_ADDR_HI);
1761                writel(word[i] & 0xffffffff, mem_crb+MIU_TEST_AGT_WRDATA_LO);
1762                writel((word[i] >> 32) & 0xffffffff,
1763                                mem_crb+MIU_TEST_AGT_WRDATA_HI);
1764                writel((MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE),
1765                                mem_crb+MIU_TEST_AGT_CTRL);
1766                writel(MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE,
1767                                mem_crb+MIU_TEST_AGT_CTRL);
1768
1769                for (j = 0; j < MAX_CTL_CHECK; j++) {
1770                        temp = readl(mem_crb + MIU_TEST_AGT_CTRL);
1771                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1772                                break;
1773                }
1774
1775                if (j >= MAX_CTL_CHECK) {
1776                        if (printk_ratelimit())
1777                                dev_err(&adapter->pdev->dev,
1778                                        "failed to write through agent\n");
1779                        ret = -1;
1780                        break;
1781                }
1782        }
1783
1784        /*
1785         * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1786         * write_unlock_irqrestore(&adapter->adapter_lock, flags);
1787         */
1788        return ret;
1789}
1790
1791static int
1792netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
1793                u64 off, void *data, int size)
1794{
1795        int i, j = 0, k, start, end, loop, sz[2], off0[2];
1796        uint32_t      temp;
1797        uint64_t      off8, val, word[2] = {0, 0};
1798        void __iomem *mem_crb;
1799
1800        if (size != 8)
1801                return -EIO;
1802
1803        if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET,
1804                                NETXEN_ADDR_QDR_NET_MAX_P3)) {
1805                mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_QDR_NET);
1806                goto correct;
1807        }
1808
1809        if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
1810                mem_crb = netxen_get_ioaddr(adapter, NETXEN_CRB_DDR_NET);
1811                goto correct;
1812        }
1813
1814        return -EIO;
1815
1816correct:
1817        off8 = off & 0xfffffff8;
1818        off0[0] = off & 0x7;
1819        off0[1] = 0;
1820        sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
1821        sz[1] = size - sz[0];
1822        loop = ((off0[0] + size - 1) >> 3) + 1;
1823
1824        /*
1825         * don't lock here - write_wx gets the lock if each time
1826         * write_lock_irqsave(&adapter->adapter_lock, flags);
1827         * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
1828         */
1829
1830        for (i = 0; i < loop; i++) {
1831                writel(off8 + (i << 3), mem_crb + MIU_TEST_AGT_ADDR_LO);
1832                writel(0, mem_crb + MIU_TEST_AGT_ADDR_HI);
1833                writel(MIU_TA_CTL_ENABLE, mem_crb + MIU_TEST_AGT_CTRL);
1834                writel(MIU_TA_CTL_START | MIU_TA_CTL_ENABLE,
1835                                mem_crb + MIU_TEST_AGT_CTRL);
1836
1837                for (j = 0; j < MAX_CTL_CHECK; j++) {
1838                        temp = readl(mem_crb + MIU_TEST_AGT_CTRL);
1839                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1840                                break;
1841                }
1842
1843                if (j >= MAX_CTL_CHECK) {
1844                        if (printk_ratelimit())
1845                                dev_err(&adapter->pdev->dev,
1846                                        "failed to read through agent\n");
1847                        break;
1848                }
1849
1850                start = off0[i] >> 2;
1851                end   = (off0[i] + sz[i] - 1) >> 2;
1852                for (k = start; k <= end; k++) {
1853                        temp = readl(mem_crb + MIU_TEST_AGT_RDDATA(k));
1854                        word[i] |= ((uint64_t)temp << (32 * k));
1855                }
1856        }
1857
1858        /*
1859         * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
1860         * write_unlock_irqrestore(&adapter->adapter_lock, flags);
1861         */
1862
1863        if (j >= MAX_CTL_CHECK)
1864                return -1;
1865
1866        if (sz[0] == 8) {
1867                val = word[0];
1868        } else {
1869                val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1870                ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1871        }
1872
1873        switch (size) {
1874        case 1:
1875                *(uint8_t  *)data = val;
1876                break;
1877        case 2:
1878                *(uint16_t *)data = val;
1879                break;
1880        case 4:
1881                *(uint32_t *)data = val;
1882                break;
1883        case 8:
1884                *(uint64_t *)data = val;
1885                break;
1886        }
1887        return 0;
1888}
1889
1890void
1891netxen_setup_hwops(struct netxen_adapter *adapter)
1892{
1893        adapter->init_port = netxen_niu_xg_init_port;
1894        adapter->stop_port = netxen_niu_disable_xg_port;
1895
1896        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1897                adapter->crb_read = netxen_nic_hw_read_wx_128M,
1898                adapter->crb_write = netxen_nic_hw_write_wx_128M,
1899                adapter->pci_set_window = netxen_nic_pci_set_window_128M,
1900                adapter->pci_mem_read = netxen_nic_pci_mem_read_128M,
1901                adapter->pci_mem_write = netxen_nic_pci_mem_write_128M,
1902                adapter->io_read = netxen_nic_io_read_128M,
1903                adapter->io_write = netxen_nic_io_write_128M,
1904
1905                adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
1906                adapter->set_multi = netxen_p2_nic_set_multi;
1907                adapter->set_mtu = netxen_nic_set_mtu_xgb;
1908                adapter->set_promisc = netxen_p2_nic_set_promisc;
1909
1910        } else {
1911                adapter->crb_read = netxen_nic_hw_read_wx_2M,
1912                adapter->crb_write = netxen_nic_hw_write_wx_2M,
1913                adapter->pci_set_window = netxen_nic_pci_set_window_2M,
1914                adapter->pci_mem_read = netxen_nic_pci_mem_read_2M,
1915                adapter->pci_mem_write = netxen_nic_pci_mem_write_2M,
1916                adapter->io_read = netxen_nic_io_read_2M,
1917                adapter->io_write = netxen_nic_io_write_2M,
1918
1919                adapter->set_mtu = nx_fw_cmd_set_mtu;
1920                adapter->set_promisc = netxen_p3_nic_set_promisc;
1921                adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
1922                adapter->set_multi = netxen_p3_nic_set_multi;
1923
1924                adapter->phy_read = nx_fw_cmd_query_phy;
1925                adapter->phy_write = nx_fw_cmd_set_phy;
1926        }
1927}
1928
1929int netxen_nic_get_board_info(struct netxen_adapter *adapter)
1930{
1931        int offset, board_type, magic;
1932        struct pci_dev *pdev = adapter->pdev;
1933
1934        offset = NX_FW_MAGIC_OFFSET;
1935        if (netxen_rom_fast_read(adapter, offset, &magic))
1936                return -EIO;
1937
1938        if (magic != NETXEN_BDINFO_MAGIC) {
1939                dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1940                        magic);
1941                return -EIO;
1942        }
1943
1944        offset = NX_BRDTYPE_OFFSET;
1945        if (netxen_rom_fast_read(adapter, offset, &board_type))
1946                return -EIO;
1947
1948        adapter->ahw.board_type = board_type;
1949
1950        if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) {
1951                u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I);
1952                if ((gpio & 0x8000) == 0)
1953                        board_type = NETXEN_BRDTYPE_P3_10G_TP;
1954        }
1955
1956        switch (board_type) {
1957        case NETXEN_BRDTYPE_P2_SB35_4G:
1958                adapter->ahw.port_type = NETXEN_NIC_GBE;
1959                break;
1960        case NETXEN_BRDTYPE_P2_SB31_10G:
1961        case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1962        case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1963        case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1964        case NETXEN_BRDTYPE_P3_HMEZ:
1965        case NETXEN_BRDTYPE_P3_XG_LOM:
1966        case NETXEN_BRDTYPE_P3_10G_CX4:
1967        case NETXEN_BRDTYPE_P3_10G_CX4_LP:
1968        case NETXEN_BRDTYPE_P3_IMEZ:
1969        case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
1970        case NETXEN_BRDTYPE_P3_10G_SFP_CT:
1971        case NETXEN_BRDTYPE_P3_10G_SFP_QT:
1972        case NETXEN_BRDTYPE_P3_10G_XFP:
1973        case NETXEN_BRDTYPE_P3_10000_BASE_T:
1974                adapter->ahw.port_type = NETXEN_NIC_XGBE;
1975                break;
1976        case NETXEN_BRDTYPE_P1_BD:
1977        case NETXEN_BRDTYPE_P1_SB:
1978        case NETXEN_BRDTYPE_P1_SMAX:
1979        case NETXEN_BRDTYPE_P1_SOCK:
1980        case NETXEN_BRDTYPE_P3_REF_QG:
1981        case NETXEN_BRDTYPE_P3_4_GB:
1982        case NETXEN_BRDTYPE_P3_4_GB_MM:
1983                adapter->ahw.port_type = NETXEN_NIC_GBE;
1984                break;
1985        case NETXEN_BRDTYPE_P3_10G_TP:
1986                adapter->ahw.port_type = (adapter->portnum < 2) ?
1987                        NETXEN_NIC_XGBE : NETXEN_NIC_GBE;
1988                break;
1989        default:
1990                dev_err(&pdev->dev, "unknown board type %x\n", board_type);
1991                adapter->ahw.port_type = NETXEN_NIC_XGBE;
1992                break;
1993        }
1994
1995        return 0;
1996}
1997
1998/* NIU access sections */
1999
2000int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu)
2001{
2002        new_mtu += MTU_FUDGE_FACTOR;
2003        NXWR32(adapter, NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->physical_port),
2004                new_mtu);
2005        return 0;
2006}
2007
2008int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
2009{
2010        new_mtu += MTU_FUDGE_FACTOR;
2011        if (adapter->physical_port == 0)
2012                NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
2013        else
2014                NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
2015        return 0;
2016}
2017
2018void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
2019{
2020        __u32 status;
2021        __u32 autoneg;
2022        __u32 port_mode;
2023
2024        if (!netif_carrier_ok(adapter->netdev)) {
2025                adapter->link_speed   = 0;
2026                adapter->link_duplex  = -1;
2027                adapter->link_autoneg = AUTONEG_ENABLE;
2028                return;
2029        }
2030
2031        if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
2032                port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR);
2033                if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
2034                        adapter->link_speed   = SPEED_1000;
2035                        adapter->link_duplex  = DUPLEX_FULL;
2036                        adapter->link_autoneg = AUTONEG_DISABLE;
2037                        return;
2038                }
2039
2040                if (adapter->phy_read
2041                    && adapter->phy_read(adapter,
2042                             NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
2043                             &status) == 0) {
2044                        if (netxen_get_phy_link(status)) {
2045                                switch (netxen_get_phy_speed(status)) {
2046                                case 0:
2047                                        adapter->link_speed = SPEED_10;
2048                                        break;
2049                                case 1:
2050                                        adapter->link_speed = SPEED_100;
2051                                        break;
2052                                case 2:
2053                                        adapter->link_speed = SPEED_1000;
2054                                        break;
2055                                default:
2056                                        adapter->link_speed = 0;
2057                                        break;
2058                                }
2059                                switch (netxen_get_phy_duplex(status)) {
2060                                case 0:
2061                                        adapter->link_duplex = DUPLEX_HALF;
2062                                        break;
2063                                case 1:
2064                                        adapter->link_duplex = DUPLEX_FULL;
2065                                        break;
2066                                default:
2067                                        adapter->link_duplex = -1;
2068                                        break;
2069                                }
2070                                if (adapter->phy_read
2071                                    && adapter->phy_read(adapter,
2072                                             NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
2073                                             &autoneg) != 0)
2074                                        adapter->link_autoneg = autoneg;
2075                        } else
2076                                goto link_down;
2077                } else {
2078                      link_down:
2079                        adapter->link_speed = 0;
2080                        adapter->link_duplex = -1;
2081                }
2082        }
2083}
2084
2085int
2086netxen_nic_wol_supported(struct netxen_adapter *adapter)
2087{
2088        u32 wol_cfg;
2089
2090        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2091                return 0;
2092
2093        wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV);
2094        if (wol_cfg & (1UL << adapter->portnum)) {
2095                wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG);
2096                if (wol_cfg & (1 << adapter->portnum))
2097                        return 1;
2098        }
2099
2100        return 0;
2101}
2102