drivers/scsi/qla2xxx/qla_sup.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2008 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/delay.h>
  10 #include <linux/vmalloc.h>
  11 #include <asm/uaccess.h>
  12
  13 static uint16_t qla2x00_nvram_request(scsi_qla_host_t *, uint32_t);
  14 static void qla2x00_nv_deselect(scsi_qla_host_t *);
  15 static void qla2x00_nv_write(scsi_qla_host_t *, uint16_t);
  16
  17 /*
  18  * NVRAM support routines
  19  */
  20
  21 /**
  22  * qla2x00_lock_nvram_access() -
  23  * @ha: HA context
  24  */
  25 static void
  26 qla2x00_lock_nvram_access(scsi_qla_host_t *ha)
  27 {
  28         uint16_t data;
  29         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  30
  31         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  32                 data = RD_REG_WORD(&reg->nvram);
  33                 while (data & NVR_BUSY) {
  34                         udelay(100);
  35                         data = RD_REG_WORD(&reg->nvram);
  36                 }
  37
  38                 /* Lock resource */
  39                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  40                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  41                 udelay(5);
  42                 data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  43                 while ((data & BIT_0) == 0) {
  44                         /* Lock failed */
  45                         udelay(100);
  46                         WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  47                         RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  48                         udelay(5);
  49                         data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  50                 }
  51         }
  52 }
  53
  54 /**
  55  * qla2x00_unlock_nvram_access() -
  56  * @ha: HA context
  57  */
  58 static void
  59 qla2x00_unlock_nvram_access(scsi_qla_host_t *ha)
  60 {
  61         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  62
  63         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  64                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
  65                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  66         }
  67 }
  68
  69 /**
  70  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
  71  *      request routine to get the word from NVRAM.
  72  * @ha: HA context
  73  * @addr: Address in NVRAM to read
  74  *
  75  * Returns the word read from nvram @addr.
  76  */
  77 static uint16_t
  78 qla2x00_get_nvram_word(scsi_qla_host_t *ha, uint32_t addr)
  79 {
  80         uint16_t        data;
  81         uint32_t        nv_cmd;
  82
  83         nv_cmd = addr << 16;
  84         nv_cmd |= NV_READ_OP;
  85         data = qla2x00_nvram_request(ha, nv_cmd);
  86
  87         return (data);
  88 }
  89
  90 /**
  91  * qla2x00_write_nvram_word() - Write NVRAM data.
  92  * @ha: HA context
  93  * @addr: Address in NVRAM to write
  94  * @data: word to program
  95  */
  96 static void
  97 qla2x00_write_nvram_word(scsi_qla_host_t *ha, uint32_t addr, uint16_t data)
  98 {
  99         int count;
 100         uint16_t word;
 101         uint32_t nv_cmd, wait_cnt;
 102         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 103
 104         qla2x00_nv_write(ha, NVR_DATA_OUT);
 105         qla2x00_nv_write(ha, 0);
 106         qla2x00_nv_write(ha, 0);
 107
 108         for (word = 0; word < 8; word++)
 109                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 110
 111         qla2x00_nv_deselect(ha);
 112
 113         /* Write data */
 114         nv_cmd = (addr << 16) | NV_WRITE_OP;
 115         nv_cmd |= data;
 116         nv_cmd <<= 5;
 117         for (count = 0; count < 27; count++) {
 118                 if (nv_cmd & BIT_31)
 119                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 120                 else
 121                         qla2x00_nv_write(ha, 0);
 122
 123                 nv_cmd <<= 1;
 124         }
 125
 126         qla2x00_nv_deselect(ha);
 127
 128         /* Wait for NVRAM to become ready */
 129         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 130         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 131         wait_cnt = NVR_WAIT_CNT;
 132         do {
 133                 if (!--wait_cnt) {
 134                         DEBUG9_10(printk("%s(%ld): NVRAM didn't go ready...\n",
 135                             __func__, ha->host_no));
 136                         break;
 137                 }
 138                 NVRAM_DELAY();
 139                 word = RD_REG_WORD(&reg->nvram);
 140         } while ((word & NVR_DATA_IN) == 0);
 141
 142         qla2x00_nv_deselect(ha);
 143
 144         /* Disable writes */
 145         qla2x00_nv_write(ha, NVR_DATA_OUT);
 146         for (count = 0; count < 10; count++)
 147                 qla2x00_nv_write(ha, 0);
 148
 149         qla2x00_nv_deselect(ha);
 150 }
 151
 152 static int
 153 qla2x00_write_nvram_word_tmo(scsi_qla_host_t *ha, uint32_t addr, uint16_t data,
 154     uint32_t tmo)
 155 {
 156         int ret, count;
 157         uint16_t word;
 158         uint32_t nv_cmd;
 159         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 160
 161         ret = QLA_SUCCESS;
 162
 163         qla2x00_nv_write(ha, NVR_DATA_OUT);
 164         qla2x00_nv_write(ha, 0);
 165         qla2x00_nv_write(ha, 0);
 166
 167         for (word = 0; word < 8; word++)
 168                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 169
 170         qla2x00_nv_deselect(ha);
 171
 172         /* Write data */
 173         nv_cmd = (addr << 16) | NV_WRITE_OP;
 174         nv_cmd |= data;
 175         nv_cmd <<= 5;
 176         for (count = 0; count < 27; count++) {
 177                 if (nv_cmd & BIT_31)
 178                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 179                 else
 180                         qla2x00_nv_write(ha, 0);
 181
 182                 nv_cmd <<= 1;
 183         }
 184
 185         qla2x00_nv_deselect(ha);
 186
 187         /* Wait for NVRAM to become ready */
 188         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 189         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 190         do {
 191                 NVRAM_DELAY();
 192                 word = RD_REG_WORD(&reg->nvram);
 193                 if (!--tmo) {
 194                         ret = QLA_FUNCTION_FAILED;
 195                         break;
 196                 }
 197         } while ((word & NVR_DATA_IN) == 0);
 198
 199         qla2x00_nv_deselect(ha);
 200
 201         /* Disable writes */
 202         qla2x00_nv_write(ha, NVR_DATA_OUT);
 203         for (count = 0; count < 10; count++)
 204                 qla2x00_nv_write(ha, 0);
 205
 206         qla2x00_nv_deselect(ha);
 207
 208         return ret;
 209 }
 210
 211 /**
 212  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
 213  *      NVRAM.
 214  * @ha: HA context
 215  * @nv_cmd: NVRAM command
 216  *
 217  * Bit definitions for NVRAM command:
 218  *
 219  *      Bit 26     = start bit
 220  *      Bit 25, 24 = opcode
 221  *      Bit 23-16  = address
 222  *      Bit 15-0   = write data
 223  *
 224  * Returns the word read from nvram @addr.
 225  */
 226 static uint16_t
 227 qla2x00_nvram_request(scsi_qla_host_t *ha, uint32_t nv_cmd)
 228 {
 229         uint8_t         cnt;
 230         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 231         uint16_t        data = 0;
 232         uint16_t        reg_data;
 233
 234         /* Send command to NVRAM. */
 235         nv_cmd <<= 5;
 236         for (cnt = 0; cnt < 11; cnt++) {
 237                 if (nv_cmd & BIT_31)
 238                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 239                 else
 240                         qla2x00_nv_write(ha, 0);
 241                 nv_cmd <<= 1;
 242         }
 243
 244         /* Read data from NVRAM. */
 245         for (cnt = 0; cnt < 16; cnt++) {
 246                 WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
 247                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 248                 NVRAM_DELAY();
 249                 data <<= 1;
 250                 reg_data = RD_REG_WORD(&reg->nvram);
 251                 if (reg_data & NVR_DATA_IN)
 252                         data |= BIT_0;
 253                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 254                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 255                 NVRAM_DELAY();
 256         }
 257
 258         /* Deselect chip. */
 259         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 260         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 261         NVRAM_DELAY();
 262
 263         return (data);
 264 }
 265
 266 /**
 267  * qla2x00_nv_write() - Clean NVRAM operations.
 268  * @ha: HA context
 269  */
 270 static void
 271 qla2x00_nv_deselect(scsi_qla_host_t *ha)
 272 {
 273         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 274
 275         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 276         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 277         NVRAM_DELAY();
 278 }
 279
 280 /**
 281  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
 282  * @ha: HA context
 283  * @data: Serial interface selector
 284  */
 285 static void
 286 qla2x00_nv_write(scsi_qla_host_t *ha, uint16_t data)
 287 {
 288         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 289
 290         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
 291         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 292         NVRAM_DELAY();
 293         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT| NVR_CLOCK |
 294             NVR_WRT_ENABLE);
 295         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 296         NVRAM_DELAY();
 297         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
 298         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 299         NVRAM_DELAY();
 300 }
 301
 302 /**
 303  * qla2x00_clear_nvram_protection() -
 304  * @ha: HA context
 305  */
 306 static int
 307 qla2x00_clear_nvram_protection(scsi_qla_host_t *ha)
 308 {
 309         int ret, stat;
 310         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 311         uint32_t word, wait_cnt;
 312         uint16_t wprot, wprot_old;
 313
 314         /* Clear NVRAM write protection. */
 315         ret = QLA_FUNCTION_FAILED;
 316
 317         wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 318         stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
 319             __constant_cpu_to_le16(0x1234), 100000);
 320         wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 321         if (stat != QLA_SUCCESS || wprot != 0x1234) {
 322                 /* Write enable. */
 323                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 324                 qla2x00_nv_write(ha, 0);
 325                 qla2x00_nv_write(ha, 0);
 326                 for (word = 0; word < 8; word++)
 327                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 328
 329                 qla2x00_nv_deselect(ha);
 330
 331                 /* Enable protection register. */
 332                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 333                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 334                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 335                 for (word = 0; word < 8; word++)
 336                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 337
 338                 qla2x00_nv_deselect(ha);
 339
 340                 /* Clear protection register (ffff is cleared). */
 341                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 342                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 343                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 344                 for (word = 0; word < 8; word++)
 345                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 346
 347                 qla2x00_nv_deselect(ha);
 348
 349                 /* Wait for NVRAM to become ready. */
 350                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 351                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 352                 wait_cnt = NVR_WAIT_CNT;
 353                 do {
 354                         if (!--wait_cnt) {
 355                                 DEBUG9_10(printk("%s(%ld): NVRAM didn't go "
 356                                     "ready...\n", __func__,
 357                                     ha->host_no));
 358                                 break;
 359                         }
 360                         NVRAM_DELAY();
 361                         word = RD_REG_WORD(&reg->nvram);
 362                 } while ((word & NVR_DATA_IN) == 0);
 363
 364                 if (wait_cnt)
 365                         ret = QLA_SUCCESS;
 366         } else
 367                 qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
 368
 369         return ret;
 370 }
 371
 372 static void
 373 qla2x00_set_nvram_protection(scsi_qla_host_t *ha, int stat)
 374 {
 375         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 376         uint32_t word, wait_cnt;
 377
 378         if (stat != QLA_SUCCESS)
 379                 return;
 380
 381         /* Set NVRAM write protection. */
 382         /* Write enable. */
 383         qla2x00_nv_write(ha, NVR_DATA_OUT);
 384         qla2x00_nv_write(ha, 0);
 385         qla2x00_nv_write(ha, 0);
 386         for (word = 0; word < 8; word++)
 387                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 388
 389         qla2x00_nv_deselect(ha);
 390
 391         /* Enable protection register. */
 392         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 393         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 394         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 395         for (word = 0; word < 8; word++)
 396                 qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 397
 398         qla2x00_nv_deselect(ha);
 399
 400         /* Enable protection register. */
 401         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 402         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 403         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 404         for (word = 0; word < 8; word++)
 405                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 406
 407         qla2x00_nv_deselect(ha);
 408
 409         /* Wait for NVRAM to become ready. */
 410         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 411         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 412         wait_cnt = NVR_WAIT_CNT;
 413         do {
 414                 if (!--wait_cnt) {
 415                         DEBUG9_10(printk("%s(%ld): NVRAM didn't go ready...\n",
 416                             __func__, ha->host_no));
 417                         break;
 418                 }
 419                 NVRAM_DELAY();
 420                 word = RD_REG_WORD(&reg->nvram);
 421         } while ((word & NVR_DATA_IN) == 0);
 422 }
 423
 424
 425 /*****************************************************************************/
 426 /* Flash Manipulation Routines                                               */
 427 /*****************************************************************************/
 428
 429 #define OPTROM_BURST_SIZE       0x1000
 430 #define OPTROM_BURST_DWORDS     (OPTROM_BURST_SIZE / 4)
 431
 432 static inline uint32_t
 433 flash_conf_to_access_addr(uint32_t faddr)
 434 {
 435         return FARX_ACCESS_FLASH_CONF | faddr;
 436 }
 437
 438 static inline uint32_t
 439 flash_data_to_access_addr(uint32_t faddr)
 440 {
 441         return FARX_ACCESS_FLASH_DATA | faddr;
 442 }
 443
 444 static inline uint32_t
 445 nvram_conf_to_access_addr(uint32_t naddr)
 446 {
 447         return FARX_ACCESS_NVRAM_CONF | naddr;
 448 }
 449
 450 static inline uint32_t
 451 nvram_data_to_access_addr(uint32_t naddr)
 452 {
 453         return FARX_ACCESS_NVRAM_DATA | naddr;
 454 }
 455
 456 static uint32_t
 457 qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr)
 458 {
 459         int rval;
 460         uint32_t cnt, data;
 461         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 462
 463         WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
 464         /* Wait for READ cycle to complete. */
 465         rval = QLA_SUCCESS;
 466         for (cnt = 3000;
 467             (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
 468             rval == QLA_SUCCESS; cnt--) {
 469                 if (cnt)
 470                         udelay(10);
 471                 else
 472                         rval = QLA_FUNCTION_TIMEOUT;
 473                 cond_resched();
 474         }
 475
 476         /* TODO: What happens if we time out? */
 477         data = 0xDEADDEAD;
 478         if (rval == QLA_SUCCESS)
 479                 data = RD_REG_DWORD(&reg->flash_data);
 480
 481         return data;
 482 }
 483
 484 uint32_t *
 485 qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 486     uint32_t dwords)
 487 {
 488         uint32_t i;
 489
 490         /* Dword reads to flash. */
 491         for (i = 0; i < dwords; i++, faddr++)
 492                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 493                     flash_data_to_access_addr(faddr)));
 494
 495         return dwptr;
 496 }
 497
 498 static int
 499 qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data)
 500 {
 501         int rval;
 502         uint32_t cnt;
 503         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 504
 505         WRT_REG_DWORD(&reg->flash_data, data);
 506         RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
 507         WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
 508         /* Wait for Write cycle to complete. */
 509         rval = QLA_SUCCESS;
 510         for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
 511             rval == QLA_SUCCESS; cnt--) {
 512                 if (cnt)
 513                         udelay(10);
 514                 else
 515                         rval = QLA_FUNCTION_TIMEOUT;
 516                 cond_resched();
 517         }
 518         return rval;
 519 }
 520
 521 static void
 522 qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
 523     uint8_t *flash_id)
 524 {
 525         uint32_t ids;
 526
 527         ids = qla24xx_read_flash_dword(ha, flash_data_to_access_addr(0xd03ab));
 528         *man_id = LSB(ids);
 529         *flash_id = MSB(ids);
 530
 531         /* Check if man_id and flash_id are valid. */
 532         if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
 533                 /* Read information using 0x9f opcode
 534                  * Device ID, Mfg ID would be read in the format:
 535                  *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
 536                  * Example: ATMEL 0x00 01 45 1F
 537                  * Extract MFG and Dev ID from last two bytes.
 538                  */
 539                 ids = qla24xx_read_flash_dword(ha,
 540                     flash_data_to_access_addr(0xd009f));
 541                 *man_id = LSB(ids);
 542                 *flash_id = MSB(ids);
 543         }
 544 }
 545
 546 void
 547 qla2xxx_get_flash_info(scsi_qla_host_t *ha)
 548 {
 549 #define FLASH_BLK_SIZE_32K      0x8000
 550 #define FLASH_BLK_SIZE_64K      0x10000
 551         uint16_t cnt, chksum;
 552         uint16_t *wptr;
 553         struct qla_fdt_layout *fdt;
 554         uint8_t man_id, flash_id;
 555
 556         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
 557                 return;
 558
 559         wptr = (uint16_t *)ha->request_ring;
 560         fdt = (struct qla_fdt_layout *)ha->request_ring;
 561         ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
 562             FA_FLASH_DESCR_ADDR << 2, OPTROM_BURST_SIZE);
 563         if (*wptr == __constant_cpu_to_le16(0xffff))
 564                 goto no_flash_data;
 565         if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
 566             fdt->sig[3] != 'D')
 567                 goto no_flash_data;
 568
 569         for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
 570             cnt++)
 571                 chksum += le16_to_cpu(*wptr++);
 572         if (chksum) {
 573                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
 574                     "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
 575                     le16_to_cpu(fdt->version)));
 576                 DEBUG9(qla2x00_dump_buffer((uint8_t *)fdt, sizeof(*fdt)));
 577                 goto no_flash_data;
 578         }
 579
 580         ha->fdt_odd_index = le16_to_cpu(fdt->man_id) == 0x1f;
 581         ha->fdt_wrt_disable = fdt->wrt_disable_bits;
 582         ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0300 | fdt->erase_cmd);
 583         ha->fdt_block_size = le32_to_cpu(fdt->block_size);
 584         if (fdt->unprotect_sec_cmd) {
 585                 ha->fdt_unprotect_sec_cmd = flash_conf_to_access_addr(0x0300 |
 586                     fdt->unprotect_sec_cmd);
 587                 ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
 588                     flash_conf_to_access_addr(0x0300 | fdt->protect_sec_cmd):
 589                     flash_conf_to_access_addr(0x0336);
 590         }
 591
 592         DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[FDT]: (0x%x/0x%x) erase=0x%x "
 593             "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n",
 594             le16_to_cpu(fdt->man_id), le16_to_cpu(fdt->id), ha->fdt_erase_cmd,
 595             ha->fdt_protect_sec_cmd, ha->fdt_unprotect_sec_cmd,
 596             ha->fdt_odd_index, ha->fdt_wrt_disable, ha->fdt_block_size));
 597         return;
 598
 599 no_flash_data:
 600         qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
 601         ha->fdt_wrt_disable = 0x9c;
 602         ha->fdt_erase_cmd = flash_conf_to_access_addr(0x03d8);
 603         switch (man_id) {
 604         case 0xbf: /* STT flash. */
 605                 if (flash_id == 0x8e)
 606                         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 607                 else
 608                         ha->fdt_block_size = FLASH_BLK_SIZE_32K;
 609
 610                 if (flash_id == 0x80)
 611                         ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0352);
 612                 break;
 613         case 0x13: /* ST M25P80. */
 614                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 615                 break;
 616         case 0x1f: /* Atmel 26DF081A. */
 617                 ha->fdt_odd_index = 1;
 618                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 619                 ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0320);
 620                 ha->fdt_unprotect_sec_cmd = flash_conf_to_access_addr(0x0339);
 621                 ha->fdt_protect_sec_cmd = flash_conf_to_access_addr(0x0336);
 622                 break;
 623         default:
 624                 /* Default to 64 kb sector size. */
 625                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 626                 break;
 627         }
 628
 629         DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[MID]: (0x%x/0x%x) erase=0x%x "
 630             "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", man_id, flash_id,
 631             ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
 632             ha->fdt_unprotect_sec_cmd, ha->fdt_odd_index, ha->fdt_wrt_disable,
 633             ha->fdt_block_size));
 634 }
 635
 636 static void
 637 qla24xx_unprotect_flash(scsi_qla_host_t *ha)
 638 {
 639         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 640
 641         /* Enable flash write. */
 642         WRT_REG_DWORD(&reg->ctrl_status,
 643             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
 644         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 645
 646         if (!ha->fdt_wrt_disable)
 647                 return;
 648
 649         /* Disable flash write-protection. */
 650         qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0);
 651         /* Some flash parts need an additional zero-write to clear bits.*/
 652         qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0);
 653 }
 654
 655 static void
 656 qla24xx_protect_flash(scsi_qla_host_t *ha)
 657 {
 658         uint32_t cnt;
 659         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 660
 661         if (!ha->fdt_wrt_disable)
 662                 goto skip_wrt_protect;
 663
 664         /* Enable flash write-protection and wait for completion. */
 665         qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101),
 666             ha->fdt_wrt_disable);
 667         for (cnt = 300; cnt &&
 668             qla24xx_read_flash_dword(ha,
 669                     flash_conf_to_access_addr(0x005)) & BIT_0;
 670             cnt--) {
 671                 udelay(10);
 672         }
 673
 674 skip_wrt_protect:
 675         /* Disable flash write. */
 676         WRT_REG_DWORD(&reg->ctrl_status,
 677             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
 678         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 679 }
 680
 681 static int
 682 qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 683     uint32_t dwords)
 684 {
 685         int ret;
 686         uint32_t liter, miter;
 687         uint32_t sec_mask, rest_addr;
 688         uint32_t fdata, findex;
 689         dma_addr_t optrom_dma;
 690         void *optrom = NULL;
 691         uint32_t *s, *d;
 692
 693         ret = QLA_SUCCESS;
 694
 695         /* Prepare burst-capable write on supported ISPs. */
 696         if (IS_QLA25XX(ha) && !(faddr & 0xfff) &&
 697             dwords > OPTROM_BURST_DWORDS) {
 698                 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
 699                     &optrom_dma, GFP_KERNEL);
 700                 if (!optrom) {
 701                         qla_printk(KERN_DEBUG, ha,
 702                             "Unable to allocate memory for optrom burst write "
 703                             "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
 704                 }
 705         }
 706
 707         rest_addr = (ha->fdt_block_size >> 2) - 1;
 708         sec_mask = 0x80000 - (ha->fdt_block_size >> 2);
 709
 710         qla24xx_unprotect_flash(ha);
 711
 712         for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
 713                 if (ha->fdt_odd_index) {
 714                         findex = faddr << 2;
 715                         fdata = findex & sec_mask;
 716                 } else {
 717                         findex = faddr;
 718                         fdata = (findex & sec_mask) << 2;
 719                 }
 720
 721                 /* Are we at the beginning of a sector? */
 722                 if ((findex & rest_addr) == 0) {
 723                         /* Do sector unprotect. */
 724                         if (ha->fdt_unprotect_sec_cmd)
 725                                 qla24xx_write_flash_dword(ha,
 726                                     ha->fdt_unprotect_sec_cmd,
 727                                     (fdata & 0xff00) | ((fdata << 16) &
 728                                     0xff0000) | ((fdata >> 16) & 0xff));
 729                         ret = qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
 730                             (fdata & 0xff00) |((fdata << 16) &
 731                             0xff0000) | ((fdata >> 16) & 0xff));
 732                         if (ret != QLA_SUCCESS) {
 733                                 DEBUG9(printk("%s(%ld) Unable to flash "
 734                                     "sector: address=%x.\n", __func__,
 735                                     ha->host_no, faddr));
 736                                 break;
 737                         }
 738                 }
 739
 740                 /* Go with burst-write. */
 741                 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
 742                         /* Copy data to DMA'ble buffer. */
 743                         for (miter = 0, s = optrom, d = dwptr;
 744                             miter < OPTROM_BURST_DWORDS; miter++, s++, d++)
 745                                 *s = cpu_to_le32(*d);
 746
 747                         ret = qla2x00_load_ram(ha, optrom_dma,
 748                             flash_data_to_access_addr(faddr),
 749                             OPTROM_BURST_DWORDS);
 750                         if (ret != QLA_SUCCESS) {
 751                                 qla_printk(KERN_WARNING, ha,
 752                                     "Unable to burst-write optrom segment "
 753                                     "(%x/%x/%llx).\n", ret,
 754                                     flash_data_to_access_addr(faddr),
 755                                     (unsigned long long)optrom_dma);
 756                                 qla_printk(KERN_WARNING, ha,
 757                                     "Reverting to slow-write.\n");
 758
 759                                 dma_free_coherent(&ha->pdev->dev,
 760                                     OPTROM_BURST_SIZE, optrom, optrom_dma);
 761                                 optrom = NULL;
 762                         } else {
 763                                 liter += OPTROM_BURST_DWORDS - 1;
 764                                 faddr += OPTROM_BURST_DWORDS - 1;
 765                                 dwptr += OPTROM_BURST_DWORDS - 1;
 766                                 continue;
 767                         }
 768                 }
 769
 770                 ret = qla24xx_write_flash_dword(ha,
 771                     flash_data_to_access_addr(faddr), cpu_to_le32(*dwptr));
 772                 if (ret != QLA_SUCCESS) {
 773                         DEBUG9(printk("%s(%ld) Unable to program flash "
 774                             "address=%x data=%x.\n", __func__,
 775                             ha->host_no, faddr, *dwptr));
 776                         break;
 777                 }
 778
 779                 /* Do sector protect. */
 780                 if (ha->fdt_unprotect_sec_cmd &&
 781                     ((faddr & rest_addr) == rest_addr))
 782                         qla24xx_write_flash_dword(ha,
 783                             ha->fdt_protect_sec_cmd,
 784                             (fdata & 0xff00) | ((fdata << 16) &
 785                             0xff0000) | ((fdata >> 16) & 0xff));
 786         }
 787
 788         qla24xx_protect_flash(ha);
 789
 790         if (optrom)
 791                 dma_free_coherent(&ha->pdev->dev,
 792                     OPTROM_BURST_SIZE, optrom, optrom_dma);
 793
 794         return ret;
 795 }
 796
 797 uint8_t *
 798 qla2x00_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 799     uint32_t bytes)
 800 {
 801         uint32_t i;
 802         uint16_t *wptr;
 803
 804         /* Word reads to NVRAM via registers. */
 805         wptr = (uint16_t *)buf;
 806         qla2x00_lock_nvram_access(ha);
 807         for (i = 0; i < bytes >> 1; i++, naddr++)
 808                 wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
 809                     naddr));
 810         qla2x00_unlock_nvram_access(ha);
 811
 812         return buf;
 813 }
 814
 815 uint8_t *
 816 qla24xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 817     uint32_t bytes)
 818 {
 819         uint32_t i;
 820         uint32_t *dwptr;
 821
 822         /* Dword reads to flash. */
 823         dwptr = (uint32_t *)buf;
 824         for (i = 0; i < bytes >> 2; i++, naddr++)
 825                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 826                     nvram_data_to_access_addr(naddr)));
 827
 828         return buf;
 829 }
 830
 831 int
 832 qla2x00_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 833     uint32_t bytes)
 834 {
 835         int ret, stat;
 836         uint32_t i;
 837         uint16_t *wptr;
 838         unsigned long flags;
 839
 840         ret = QLA_SUCCESS;
 841
 842         spin_lock_irqsave(&ha->hardware_lock, flags);
 843         qla2x00_lock_nvram_access(ha);
 844
 845         /* Disable NVRAM write-protection. */
 846         stat = qla2x00_clear_nvram_protection(ha);
 847
 848         wptr = (uint16_t *)buf;
 849         for (i = 0; i < bytes >> 1; i++, naddr++) {
 850                 qla2x00_write_nvram_word(ha, naddr,
 851                     cpu_to_le16(*wptr));
 852                 wptr++;
 853         }
 854
 855         /* Enable NVRAM write-protection. */
 856         qla2x00_set_nvram_protection(ha, stat);
 857
 858         qla2x00_unlock_nvram_access(ha);
 859         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 860
 861         return ret;
 862 }
 863
 864 int
 865 qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 866     uint32_t bytes)
 867 {
 868         int ret;
 869         uint32_t i;
 870         uint32_t *dwptr;
 871         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 872         unsigned long flags;
 873
 874         ret = QLA_SUCCESS;
 875
 876         spin_lock_irqsave(&ha->hardware_lock, flags);
 877         /* Enable flash write. */
 878         WRT_REG_DWORD(&reg->ctrl_status,
 879             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
 880         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 881
 882         /* Disable NVRAM write-protection. */
 883         qla24xx_write_flash_dword(ha, nvram_conf_to_access_addr(0x101),
 884             0);
 885         qla24xx_write_flash_dword(ha, nvram_conf_to_access_addr(0x101),
 886             0);
 887
 888         /* Dword writes to flash. */
 889         dwptr = (uint32_t *)buf;
 890         for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
 891                 ret = qla24xx_write_flash_dword(ha,
 892                     nvram_data_to_access_addr(naddr),
 893                     cpu_to_le32(*dwptr));
 894                 if (ret != QLA_SUCCESS) {
 895                         DEBUG9(printk("%s(%ld) Unable to program "
 896                             "nvram address=%x data=%x.\n", __func__,
 897                             ha->host_no, naddr, *dwptr));
 898                         break;
 899                 }
 900         }
 901
 902         /* Enable NVRAM write-protection. */
 903         qla24xx_write_flash_dword(ha, nvram_conf_to_access_addr(0x101),
 904             0x8c);
 905
 906         /* Disable flash write. */
 907         WRT_REG_DWORD(&reg->ctrl_status,
 908             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
 909         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 910         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 911
 912         return ret;
 913 }
 914
 915 uint8_t *
 916 qla25xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 917     uint32_t bytes)
 918 {
 919         uint32_t i;
 920         uint32_t *dwptr;
 921
 922         /* Dword reads to flash. */
 923         dwptr = (uint32_t *)buf;
 924         for (i = 0; i < bytes >> 2; i++, naddr++)
 925                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 926                     flash_data_to_access_addr(FA_VPD_NVRAM_ADDR | naddr)));
 927
 928         return buf;
 929 }
 930
 931 int
 932 qla25xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 933     uint32_t bytes)
 934 {
 935 #define RMW_BUFFER_SIZE (64 * 1024)
 936         uint8_t *dbuf;
 937
 938         dbuf = vmalloc(RMW_BUFFER_SIZE);
 939         if (!dbuf)
 940                 return QLA_MEMORY_ALLOC_FAILED;
 941         ha->isp_ops->read_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
 942             RMW_BUFFER_SIZE);
 943         memcpy(dbuf + (naddr << 2), buf, bytes);
 944         ha->isp_ops->write_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
 945             RMW_BUFFER_SIZE);
 946         vfree(dbuf);
 947
 948         return QLA_SUCCESS;
 949 }
 950
 951 static inline void
 952 qla2x00_flip_colors(scsi_qla_host_t *ha, uint16_t *pflags)
 953 {
 954         if (IS_QLA2322(ha)) {
 955                 /* Flip all colors. */
 956                 if (ha->beacon_color_state == QLA_LED_ALL_ON) {
 957                         /* Turn off. */
 958                         ha->beacon_color_state = 0;
 959                         *pflags = GPIO_LED_ALL_OFF;
 960                 } else {
 961                         /* Turn on. */
 962                         ha->beacon_color_state = QLA_LED_ALL_ON;
 963                         *pflags = GPIO_LED_RGA_ON;
 964                 }
 965         } else {
 966                 /* Flip green led only. */
 967                 if (ha->beacon_color_state == QLA_LED_GRN_ON) {
 968                         /* Turn off. */
 969                         ha->beacon_color_state = 0;
 970                         *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
 971                 } else {
 972                         /* Turn on. */
 973                         ha->beacon_color_state = QLA_LED_GRN_ON;
 974                         *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
 975                 }
 976         }
 977 }
 978
 979 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
 980
 981 void
 982 qla2x00_beacon_blink(struct scsi_qla_host *ha)
 983 {
 984         uint16_t gpio_enable;
 985         uint16_t gpio_data;
 986         uint16_t led_color = 0;
 987         unsigned long flags;
 988         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 989
 990         spin_lock_irqsave(&ha->hardware_lock, flags);
 991
 992         /* Save the Original GPIOE. */
 993         if (ha->pio_address) {
 994                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
 995                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
 996         } else {
 997                 gpio_enable = RD_REG_WORD(&reg->gpioe);
 998                 gpio_data = RD_REG_WORD(&reg->gpiod);
 999         }
1000
1001         /* Set the modified gpio_enable values */
1002         gpio_enable |= GPIO_LED_MASK;
1003
1004         if (ha->pio_address) {
1005                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1006         } else {
1007                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1008                 RD_REG_WORD(&reg->gpioe);
1009         }
1010
1011         qla2x00_flip_colors(ha, &led_color);
1012
1013         /* Clear out any previously set LED color. */
1014         gpio_data &= ~GPIO_LED_MASK;
1015
1016         /* Set the new input LED color to GPIOD. */
1017         gpio_data |= led_color;
1018
1019         /* Set the modified gpio_data values */
1020         if (ha->pio_address) {
1021                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1022         } else {
1023                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1024                 RD_REG_WORD(&reg->gpiod);
1025         }
1026
1027         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1028 }
1029
1030 int
1031 qla2x00_beacon_on(struct scsi_qla_host *ha)
1032 {
1033         uint16_t gpio_enable;
1034         uint16_t gpio_data;
1035         unsigned long flags;
1036         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1037
1038         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1039         ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1040
1041         if (qla2x00_set_fw_options(ha, ha->fw_options) != QLA_SUCCESS) {
1042                 qla_printk(KERN_WARNING, ha,
1043                     "Unable to update fw options (beacon on).\n");
1044                 return QLA_FUNCTION_FAILED;
1045         }
1046
1047         /* Turn off LEDs. */
1048         spin_lock_irqsave(&ha->hardware_lock, flags);
1049         if (ha->pio_address) {
1050                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1051                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1052         } else {
1053                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1054                 gpio_data = RD_REG_WORD(&reg->gpiod);
1055         }
1056         gpio_enable |= GPIO_LED_MASK;
1057
1058         /* Set the modified gpio_enable values. */
1059         if (ha->pio_address) {
1060                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1061         } else {
1062                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1063                 RD_REG_WORD(&reg->gpioe);
1064         }
1065
1066         /* Clear out previously set LED colour. */
1067         gpio_data &= ~GPIO_LED_MASK;
1068         if (ha->pio_address) {
1069                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1070         } else {
1071                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1072                 RD_REG_WORD(&reg->gpiod);
1073         }
1074         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1075
1076         /*
1077          * Let the per HBA timer kick off the blinking process based on
1078          * the following flags. No need to do anything else now.
1079          */
1080         ha->beacon_blink_led = 1;
1081         ha->beacon_color_state = 0;
1082
1083         return QLA_SUCCESS;
1084 }
1085
1086 int
1087 qla2x00_beacon_off(struct scsi_qla_host *ha)
1088 {
1089         int rval = QLA_SUCCESS;
1090
1091         ha->beacon_blink_led = 0;
1092
1093         /* Set the on flag so when it gets flipped it will be off. */
1094         if (IS_QLA2322(ha))
1095                 ha->beacon_color_state = QLA_LED_ALL_ON;
1096         else
1097                 ha->beacon_color_state = QLA_LED_GRN_ON;
1098
1099         ha->isp_ops->beacon_blink(ha);  /* This turns green LED off */
1100
1101         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1102         ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1103
1104         rval = qla2x00_set_fw_options(ha, ha->fw_options);
1105         if (rval != QLA_SUCCESS)
1106                 qla_printk(KERN_WARNING, ha,
1107                     "Unable to update fw options (beacon off).\n");
1108         return rval;
1109 }
1110
1111
1112 static inline void
1113 qla24xx_flip_colors(scsi_qla_host_t *ha, uint16_t *pflags)
1114 {
1115         /* Flip all colors. */
1116         if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1117                 /* Turn off. */
1118                 ha->beacon_color_state = 0;
1119                 *pflags = 0;
1120         } else {
1121                 /* Turn on. */
1122                 ha->beacon_color_state = QLA_LED_ALL_ON;
1123                 *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1124         }
1125 }
1126
1127 void
1128 qla24xx_beacon_blink(struct scsi_qla_host *ha)
1129 {
1130         uint16_t led_color = 0;
1131         uint32_t gpio_data;
1132         unsigned long flags;
1133         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1134
1135         /* Save the Original GPIOD. */
1136         spin_lock_irqsave(&ha->hardware_lock, flags);
1137         gpio_data = RD_REG_DWORD(&reg->gpiod);
1138
1139         /* Enable the gpio_data reg for update. */
1140         gpio_data |= GPDX_LED_UPDATE_MASK;
1141
1142         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1143         gpio_data = RD_REG_DWORD(&reg->gpiod);
1144
1145         /* Set the color bits. */
1146         qla24xx_flip_colors(ha, &led_color);
1147
1148         /* Clear out any previously set LED color. */
1149         gpio_data &= ~GPDX_LED_COLOR_MASK;
1150
1151         /* Set the new input LED color to GPIOD. */
1152         gpio_data |= led_color;
1153
1154         /* Set the modified gpio_data values. */
1155         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1156         gpio_data = RD_REG_DWORD(&reg->gpiod);
1157         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1158 }
1159
1160 int
1161 qla24xx_beacon_on(struct scsi_qla_host *ha)
1162 {
1163         uint32_t gpio_data;
1164         unsigned long flags;
1165         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1166
1167         if (ha->beacon_blink_led == 0) {
1168                 /* Enable firmware for update */
1169                 ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1170
1171                 if (qla2x00_set_fw_options(ha, ha->fw_options) != QLA_SUCCESS)
1172                         return QLA_FUNCTION_FAILED;
1173
1174                 if (qla2x00_get_fw_options(ha, ha->fw_options) !=
1175                     QLA_SUCCESS) {
1176                         qla_printk(KERN_WARNING, ha,
1177                             "Unable to update fw options (beacon on).\n");
1178                         return QLA_FUNCTION_FAILED;
1179                 }
1180
1181                 spin_lock_irqsave(&ha->hardware_lock, flags);
1182                 gpio_data = RD_REG_DWORD(&reg->gpiod);
1183
1184                 /* Enable the gpio_data reg for update. */
1185                 gpio_data |= GPDX_LED_UPDATE_MASK;
1186                 WRT_REG_DWORD(&reg->gpiod, gpio_data);
1187                 RD_REG_DWORD(&reg->gpiod);
1188
1189                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1190         }
1191
1192         /* So all colors blink together. */
1193         ha->beacon_color_state = 0;
1194
1195         /* Let the per HBA timer kick off the blinking process. */
1196         ha->beacon_blink_led = 1;
1197
1198         return QLA_SUCCESS;
1199 }
1200
1201 int
1202 qla24xx_beacon_off(struct scsi_qla_host *ha)
1203 {
1204         uint32_t gpio_data;
1205         unsigned long flags;
1206         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1207
1208         ha->beacon_blink_led = 0;
1209         ha->beacon_color_state = QLA_LED_ALL_ON;
1210
1211         ha->isp_ops->beacon_blink(ha);  /* Will flip to all off. */
1212
1213         /* Give control back to firmware. */
1214         spin_lock_irqsave(&ha->hardware_lock, flags);
1215         gpio_data = RD_REG_DWORD(&reg->gpiod);
1216
1217         /* Disable the gpio_data reg for update. */
1218         gpio_data &= ~GPDX_LED_UPDATE_MASK;
1219         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1220         RD_REG_DWORD(&reg->gpiod);
1221         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1222
1223         ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1224
1225         if (qla2x00_set_fw_options(ha, ha->fw_options) != QLA_SUCCESS) {
1226                 qla_printk(KERN_WARNING, ha,
1227                     "Unable to update fw options (beacon off).\n");
1228                 return QLA_FUNCTION_FAILED;
1229         }
1230
1231         if (qla2x00_get_fw_options(ha, ha->fw_options) != QLA_SUCCESS) {
1232                 qla_printk(KERN_WARNING, ha,
1233                     "Unable to get fw options (beacon off).\n");
1234                 return QLA_FUNCTION_FAILED;
1235         }
1236
1237         return QLA_SUCCESS;
1238 }
1239
1240
1241 /*
1242  * Flash support routines
1243  */
1244
1245 /**
1246  * qla2x00_flash_enable() - Setup flash for reading and writing.
1247  * @ha: HA context
1248  */
1249 static void
1250 qla2x00_flash_enable(scsi_qla_host_t *ha)
1251 {
1252         uint16_t data;
1253         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1254
1255         data = RD_REG_WORD(&reg->ctrl_status);
1256         data |= CSR_FLASH_ENABLE;
1257         WRT_REG_WORD(&reg->ctrl_status, data);
1258         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1259 }
1260
1261 /**
1262  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1263  * @ha: HA context
1264  */
1265 static void
1266 qla2x00_flash_disable(scsi_qla_host_t *ha)
1267 {
1268         uint16_t data;
1269         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1270
1271         data = RD_REG_WORD(&reg->ctrl_status);
1272         data &= ~(CSR_FLASH_ENABLE);
1273         WRT_REG_WORD(&reg->ctrl_status, data);
1274         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1275 }
1276
1277 /**
1278  * qla2x00_read_flash_byte() - Reads a byte from flash
1279  * @ha: HA context
1280  * @addr: Address in flash to read
1281  *
1282  * A word is read from the chip, but, only the lower byte is valid.
1283  *
1284  * Returns the byte read from flash @addr.
1285  */
1286 static uint8_t
1287 qla2x00_read_flash_byte(scsi_qla_host_t *ha, uint32_t addr)
1288 {
1289         uint16_t data;
1290         uint16_t bank_select;
1291         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1292
1293         bank_select = RD_REG_WORD(&reg->ctrl_status);
1294
1295         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1296                 /* Specify 64K address range: */
1297                 /*  clear out Module Select and Flash Address bits [19:16]. */
1298                 bank_select &= ~0xf8;
1299                 bank_select |= addr >> 12 & 0xf0;
1300                 bank_select |= CSR_FLASH_64K_BANK;
1301                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1302                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1303
1304                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1305                 data = RD_REG_WORD(&reg->flash_data);
1306
1307                 return (uint8_t)data;
1308         }
1309
1310         /* Setup bit 16 of flash address. */
1311         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1312                 bank_select |= CSR_FLASH_64K_BANK;
1313                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1314                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1315         } else if (((addr & BIT_16) == 0) &&
1316             (bank_select & CSR_FLASH_64K_BANK)) {
1317                 bank_select &= ~(CSR_FLASH_64K_BANK);
1318                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1319                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1320         }
1321
1322         /* Always perform IO mapped accesses to the FLASH registers. */
1323         if (ha->pio_address) {
1324                 uint16_t data2;
1325
1326                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1327                 do {
1328                         data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1329                         barrier();
1330                         cpu_relax();
1331                         data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1332                 } while (data != data2);
1333         } else {
1334                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1335                 data = qla2x00_debounce_register(&reg->flash_data);
1336         }
1337
1338         return (uint8_t)data;
1339 }
1340
1341 /**
1342  * qla2x00_write_flash_byte() - Write a byte to flash
1343  * @ha: HA context
1344  * @addr: Address in flash to write
1345  * @data: Data to write
1346  */
1347 static void
1348 qla2x00_write_flash_byte(scsi_qla_host_t *ha, uint32_t addr, uint8_t data)
1349 {
1350         uint16_t bank_select;
1351         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1352
1353         bank_select = RD_REG_WORD(&reg->ctrl_status);
1354         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1355                 /* Specify 64K address range: */
1356                 /*  clear out Module Select and Flash Address bits [19:16]. */
1357                 bank_select &= ~0xf8;
1358                 bank_select |= addr >> 12 & 0xf0;
1359                 bank_select |= CSR_FLASH_64K_BANK;
1360                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1361                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1362
1363                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1364                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1365                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1366                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1367
1368                 return;
1369         }
1370
1371         /* Setup bit 16 of flash address. */
1372         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1373                 bank_select |= CSR_FLASH_64K_BANK;
1374                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1375                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1376         } else if (((addr & BIT_16) == 0) &&
1377             (bank_select & CSR_FLASH_64K_BANK)) {
1378                 bank_select &= ~(CSR_FLASH_64K_BANK);
1379                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1380                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1381         }
1382
1383         /* Always perform IO mapped accesses to the FLASH registers. */
1384         if (ha->pio_address) {
1385                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1386                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
1387         } else {
1388                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1389                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1390                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1391                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1392         }
1393 }
1394
1395 /**
1396  * qla2x00_poll_flash() - Polls flash for completion.
1397  * @ha: HA context
1398  * @addr: Address in flash to poll
1399  * @poll_data: Data to be polled
1400  * @man_id: Flash manufacturer ID
1401  * @flash_id: Flash ID
1402  *
1403  * This function polls the device until bit 7 of what is read matches data
1404  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
1405  * out (a fatal error).  The flash book recommeds reading bit 7 again after
1406  * reading bit 5 as a 1.
1407  *
1408  * Returns 0 on success, else non-zero.
1409  */
1410 static int
1411 qla2x00_poll_flash(scsi_qla_host_t *ha, uint32_t addr, uint8_t poll_data,
1412     uint8_t man_id, uint8_t flash_id)
1413 {
1414         int status;
1415         uint8_t flash_data;
1416         uint32_t cnt;
1417
1418         status = 1;
1419
1420         /* Wait for 30 seconds for command to finish. */
1421         poll_data &= BIT_7;
1422         for (cnt = 3000000; cnt; cnt--) {
1423                 flash_data = qla2x00_read_flash_byte(ha, addr);
1424                 if ((flash_data & BIT_7) == poll_data) {
1425                         status = 0;
1426                         break;
1427                 }
1428
1429                 if (man_id != 0x40 && man_id != 0xda) {
1430                         if ((flash_data & BIT_5) && cnt > 2)
1431                                 cnt = 2;
1432                 }
1433                 udelay(10);
1434                 barrier();
1435                 cond_resched();
1436         }
1437         return status;
1438 }
1439
1440 /**
1441  * qla2x00_program_flash_address() - Programs a flash address
1442  * @ha: HA context
1443  * @addr: Address in flash to program
1444  * @data: Data to be written in flash
1445  * @man_id: Flash manufacturer ID
1446  * @flash_id: Flash ID
1447  *
1448  * Returns 0 on success, else non-zero.
1449  */
1450 static int
1451 qla2x00_program_flash_address(scsi_qla_host_t *ha, uint32_t addr, uint8_t data,
1452     uint8_t man_id, uint8_t flash_id)
1453 {
1454         /* Write Program Command Sequence. */
1455         if (IS_OEM_001(ha)) {
1456                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1457                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1458                 qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
1459                 qla2x00_write_flash_byte(ha, addr, data);
1460         } else {
1461                 if (man_id == 0xda && flash_id == 0xc1) {
1462                         qla2x00_write_flash_byte(ha, addr, data);
1463                         if (addr & 0x7e)
1464                                 return 0;
1465                 } else {
1466                         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1467                         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1468                         qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
1469                         qla2x00_write_flash_byte(ha, addr, data);
1470                 }
1471         }
1472
1473         udelay(150);
1474
1475         /* Wait for write to complete. */
1476         return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
1477 }
1478
1479 /**
1480  * qla2x00_erase_flash() - Erase the flash.
1481  * @ha: HA context
1482  * @man_id: Flash manufacturer ID
1483  * @flash_id: Flash ID
1484  *
1485  * Returns 0 on success, else non-zero.
1486  */
1487 static int
1488 qla2x00_erase_flash(scsi_qla_host_t *ha, uint8_t man_id, uint8_t flash_id)
1489 {
1490         /* Individual Sector Erase Command Sequence */
1491         if (IS_OEM_001(ha)) {
1492                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1493                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1494                 qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
1495                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1496                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1497                 qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
1498         } else {
1499                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1500                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1501                 qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1502                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1503                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1504                 qla2x00_write_flash_byte(ha, 0x5555, 0x10);
1505         }
1506
1507         udelay(150);
1508
1509         /* Wait for erase to complete. */
1510         return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
1511 }
1512
1513 /**
1514  * qla2x00_erase_flash_sector() - Erase a flash sector.
1515  * @ha: HA context
1516  * @addr: Flash sector to erase
1517  * @sec_mask: Sector address mask
1518  * @man_id: Flash manufacturer ID
1519  * @flash_id: Flash ID
1520  *
1521  * Returns 0 on success, else non-zero.
1522  */
1523 static int
1524 qla2x00_erase_flash_sector(scsi_qla_host_t *ha, uint32_t addr,
1525     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
1526 {
1527         /* Individual Sector Erase Command Sequence */
1528         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1529         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1530         qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1531         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1532         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1533         if (man_id == 0x1f && flash_id == 0x13)
1534                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
1535         else
1536                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
1537
1538         udelay(150);
1539
1540         /* Wait for erase to complete. */
1541         return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
1542 }
1543
1544 /**
1545  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
1546  * @man_id: Flash manufacturer ID
1547  * @flash_id: Flash ID
1548  */
1549 static void
1550 qla2x00_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
1551     uint8_t *flash_id)
1552 {
1553         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1554         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1555         qla2x00_write_flash_byte(ha, 0x5555, 0x90);
1556         *man_id = qla2x00_read_flash_byte(ha, 0x0000);
1557         *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
1558         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1559         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1560         qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
1561 }
1562
1563 static void
1564 qla2x00_read_flash_data(scsi_qla_host_t *ha, uint8_t *tmp_buf, uint32_t saddr,
1565         uint32_t length)
1566 {
1567         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1568         uint32_t midpoint, ilength;
1569         uint8_t data;
1570
1571         midpoint = length / 2;
1572
1573         WRT_REG_WORD(&reg->nvram, 0);
1574         RD_REG_WORD(&reg->nvram);
1575         for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
1576                 if (ilength == midpoint) {
1577                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
1578                         RD_REG_WORD(&reg->nvram);
1579                 }
1580                 data = qla2x00_read_flash_byte(ha, saddr);
1581                 if (saddr % 100)
1582                         udelay(10);
1583                 *tmp_buf = data;
1584                 cond_resched();
1585         }
1586 }
1587
1588 static inline void
1589 qla2x00_suspend_hba(struct scsi_qla_host *ha)
1590 {
1591         int cnt;
1592         unsigned long flags;
1593         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1594
1595         /* Suspend HBA. */
1596         scsi_block_requests(ha->host);
1597         ha->isp_ops->disable_intrs(ha);
1598         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1599
1600         /* Pause RISC. */
1601         spin_lock_irqsave(&ha->hardware_lock, flags);
1602         WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1603         RD_REG_WORD(&reg->hccr);
1604         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1605                 for (cnt = 0; cnt < 30000; cnt++) {
1606                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1607                                 break;
1608                         udelay(100);
1609                 }
1610         } else {
1611                 udelay(10);
1612         }
1613         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1614 }
1615
1616 static inline void
1617 qla2x00_resume_hba(struct scsi_qla_host *ha)
1618 {
1619         /* Resume HBA. */
1620         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1621         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1622         qla2xxx_wake_dpc(ha);
1623         qla2x00_wait_for_hba_online(ha);
1624         scsi_unblock_requests(ha->host);
1625 }
1626
1627 uint8_t *
1628 qla2x00_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1629     uint32_t offset, uint32_t length)
1630 {
1631         uint32_t addr, midpoint;
1632         uint8_t *data;
1633         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1634
1635         /* Suspend HBA. */
1636         qla2x00_suspend_hba(ha);
1637
1638         /* Go with read. */
1639         midpoint = ha->optrom_size / 2;
1640
1641         qla2x00_flash_enable(ha);
1642         WRT_REG_WORD(&reg->nvram, 0);
1643         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
1644         for (addr = offset, data = buf; addr < length; addr++, data++) {
1645                 if (addr == midpoint) {
1646                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
1647                         RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
1648                 }
1649
1650                 *data = qla2x00_read_flash_byte(ha, addr);
1651         }
1652         qla2x00_flash_disable(ha);
1653
1654         /* Resume HBA. */
1655         qla2x00_resume_hba(ha);
1656
1657         return buf;
1658 }
1659
1660 int
1661 qla2x00_write_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1662     uint32_t offset, uint32_t length)
1663 {
1664
1665         int rval;
1666         uint8_t man_id, flash_id, sec_number, data;
1667         uint16_t wd;
1668         uint32_t addr, liter, sec_mask, rest_addr;
1669         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1670
1671         /* Suspend HBA. */
1672         qla2x00_suspend_hba(ha);
1673
1674         rval = QLA_SUCCESS;
1675         sec_number = 0;
1676
1677         /* Reset ISP chip. */
1678         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1679         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1680
1681         /* Go with write. */
1682         qla2x00_flash_enable(ha);
1683         do {    /* Loop once to provide quick error exit */
1684                 /* Structure of flash memory based on manufacturer */
1685                 if (IS_OEM_001(ha)) {
1686                         /* OEM variant with special flash part. */
1687                         man_id = flash_id = 0;
1688                         rest_addr = 0xffff;
1689                         sec_mask   = 0x10000;
1690                         goto update_flash;
1691                 }
1692                 qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
1693                 switch (man_id) {
1694                 case 0x20: /* ST flash. */
1695                         if (flash_id == 0xd2 || flash_id == 0xe3) {
1696                                 /*
1697                                  * ST m29w008at part - 64kb sector size with
1698                                  * 32kb,8kb,8kb,16kb sectors at memory address
1699                                  * 0xf0000.
1700                                  */
1701                                 rest_addr = 0xffff;
1702                                 sec_mask = 0x10000;
1703                                 break;
1704                         }
1705                         /*
1706                          * ST m29w010b part - 16kb sector size
1707                          * Default to 16kb sectors
1708                          */
1709                         rest_addr = 0x3fff;
1710                         sec_mask = 0x1c000;
1711                         break;
1712                 case 0x40: /* Mostel flash. */
1713                         /* Mostel v29c51001 part - 512 byte sector size. */
1714                         rest_addr = 0x1ff;
1715                         sec_mask = 0x1fe00;
1716                         break;
1717                 case 0xbf: /* SST flash. */
1718                         /* SST39sf10 part - 4kb sector size. */
1719                         rest_addr = 0xfff;
1720                         sec_mask = 0x1f000;
1721                         break;
1722                 case 0xda: /* Winbond flash. */
1723                         /* Winbond W29EE011 part - 256 byte sector size. */
1724                         rest_addr = 0x7f;
1725                         sec_mask = 0x1ff80;
1726                         break;
1727                 case 0xc2: /* Macronix flash. */
1728                         /* 64k sector size. */
1729                         if (flash_id == 0x38 || flash_id == 0x4f) {
1730                                 rest_addr = 0xffff;
1731                                 sec_mask = 0x10000;
1732                                 break;
1733                         }
1734                         /* Fall through... */
1735
1736                 case 0x1f: /* Atmel flash. */
1737                         /* 512k sector size. */
1738                         if (flash_id == 0x13) {
1739                                 rest_addr = 0x7fffffff;
1740                                 sec_mask =   0x80000000;
1741                                 break;
1742                         }
1743                         /* Fall through... */
1744
1745                 case 0x01: /* AMD flash. */
1746                         if (flash_id == 0x38 || flash_id == 0x40 ||
1747                             flash_id == 0x4f) {
1748                                 /* Am29LV081 part - 64kb sector size. */
1749                                 /* Am29LV002BT part - 64kb sector size. */
1750                                 rest_addr = 0xffff;
1751                                 sec_mask = 0x10000;
1752                                 break;
1753                         } else if (flash_id == 0x3e) {
1754                                 /*
1755                                  * Am29LV008b part - 64kb sector size with
1756                                  * 32kb,8kb,8kb,16kb sector at memory address
1757                                  * h0xf0000.
1758                                  */
1759                                 rest_addr = 0xffff;
1760                                 sec_mask = 0x10000;
1761                                 break;
1762                         } else if (flash_id == 0x20 || flash_id == 0x6e) {
1763                                 /*
1764                                  * Am29LV010 part or AM29f010 - 16kb sector
1765                                  * size.
1766                                  */
1767                                 rest_addr = 0x3fff;
1768                                 sec_mask = 0x1c000;
1769                                 break;
1770                         } else if (flash_id == 0x6d) {
1771                                 /* Am29LV001 part - 8kb sector size. */
1772                                 rest_addr = 0x1fff;
1773                                 sec_mask = 0x1e000;
1774                                 break;
1775                         }
1776                 default:
1777                         /* Default to 16 kb sector size. */
1778                         rest_addr = 0x3fff;
1779                         sec_mask = 0x1c000;
1780                         break;
1781                 }
1782
1783 update_flash:
1784                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1785                         if (qla2x00_erase_flash(ha, man_id, flash_id)) {
1786                                 rval = QLA_FUNCTION_FAILED;
1787                                 break;
1788                         }
1789                 }
1790
1791                 for (addr = offset, liter = 0; liter < length; liter++,
1792                     addr++) {
1793                         data = buf[liter];
1794                         /* Are we at the beginning of a sector? */
1795                         if ((addr & rest_addr) == 0) {
1796                                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1797                                         if (addr >= 0x10000UL) {
1798                                                 if (((addr >> 12) & 0xf0) &&
1799                                                     ((man_id == 0x01 &&
1800                                                         flash_id == 0x3e) ||
1801                                                      (man_id == 0x20 &&
1802                                                          flash_id == 0xd2))) {
1803                                                         sec_number++;
1804                                                         if (sec_number == 1) {
1805                                                                 rest_addr =
1806                                                                     0x7fff;
1807                                                                 sec_mask =
1808                                                                     0x18000;
1809                                                         } else if (
1810                                                             sec_number == 2 ||
1811                                                             sec_number == 3) {
1812                                                                 rest_addr =
1813                                                                     0x1fff;
1814                                                                 sec_mask =
1815                                                                     0x1e000;
1816                                                         } else if (
1817                                                             sec_number == 4) {
1818                                                                 rest_addr =
1819                                                                     0x3fff;
1820                                                                 sec_mask =
1821                                                                     0x1c000;
1822                                                         }
1823                                                 }
1824                                         }
1825                                 } else if (addr == ha->optrom_size / 2) {
1826                                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
1827                                         RD_REG_WORD(&reg->nvram);
1828                                 }
1829
1830                                 if (flash_id == 0xda && man_id == 0xc1) {
1831                                         qla2x00_write_flash_byte(ha, 0x5555,
1832                                             0xaa);
1833                                         qla2x00_write_flash_byte(ha, 0x2aaa,
1834                                             0x55);
1835                                         qla2x00_write_flash_byte(ha, 0x5555,
1836                                             0xa0);
1837                                 } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
1838                                         /* Then erase it */
1839                                         if (qla2x00_erase_flash_sector(ha,
1840                                             addr, sec_mask, man_id,
1841                                             flash_id)) {
1842                                                 rval = QLA_FUNCTION_FAILED;
1843                                                 break;
1844                                         }
1845                                         if (man_id == 0x01 && flash_id == 0x6d)
1846                                                 sec_number++;
1847                                 }
1848                         }
1849
1850                         if (man_id == 0x01 && flash_id == 0x6d) {
1851                                 if (sec_number == 1 &&
1852                                     addr == (rest_addr - 1)) {
1853                                         rest_addr = 0x0fff;
1854                                         sec_mask   = 0x1f000;
1855                                 } else if (sec_number == 3 && (addr & 0x7ffe)) {
1856                                         rest_addr = 0x3fff;
1857                                         sec_mask   = 0x1c000;
1858                                 }
1859                         }
1860
1861                         if (qla2x00_program_flash_address(ha, addr, data,
1862                             man_id, flash_id)) {
1863                                 rval = QLA_FUNCTION_FAILED;
1864                                 break;
1865                         }
1866                         cond_resched();
1867                 }
1868         } while (0);
1869         qla2x00_flash_disable(ha);
1870
1871         /* Resume HBA. */
1872         qla2x00_resume_hba(ha);
1873
1874         return rval;
1875 }
1876
1877 uint8_t *
1878 qla24xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1879     uint32_t offset, uint32_t length)
1880 {
1881         /* Suspend HBA. */
1882         scsi_block_requests(ha->host);
1883         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1884
1885         /* Go with read. */
1886         qla24xx_read_flash_data(ha, (uint32_t *)buf, offset >> 2, length >> 2);
1887
1888         /* Resume HBA. */
1889         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1890         scsi_unblock_requests(ha->host);
1891
1892         return buf;
1893 }
1894
1895 int
1896 qla24xx_write_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1897     uint32_t offset, uint32_t length)
1898 {
1899         int rval;
1900
1901         /* Suspend HBA. */
1902         scsi_block_requests(ha->host);
1903         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1904
1905         /* Go with write. */
1906         rval = qla24xx_write_flash_data(ha, (uint32_t *)buf, offset >> 2,
1907             length >> 2);
1908
1909         /* Resume HBA -- RISC reset needed. */
1910         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1911         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1912         qla2xxx_wake_dpc(ha);
1913         qla2x00_wait_for_hba_online(ha);
1914         scsi_unblock_requests(ha->host);
1915
1916         return rval;
1917 }
1918
1919 uint8_t *
1920 qla25xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
1921     uint32_t offset, uint32_t length)
1922 {
1923         int rval;
1924         dma_addr_t optrom_dma;
1925         void *optrom;
1926         uint8_t *pbuf;
1927         uint32_t faddr, left, burst;
1928
1929         if (offset & 0xfff)
1930                 goto slow_read;
1931         if (length < OPTROM_BURST_SIZE)
1932                 goto slow_read;
1933
1934         optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1935             &optrom_dma, GFP_KERNEL);
1936         if (!optrom) {
1937                 qla_printk(KERN_DEBUG, ha,
1938                     "Unable to allocate memory for optrom burst read "
1939                     "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
1940
1941                 goto slow_read;
1942         }
1943
1944         pbuf = buf;
1945         faddr = offset >> 2;
1946         left = length >> 2;
1947         burst = OPTROM_BURST_DWORDS;
1948         while (left != 0) {
1949                 if (burst > left)
1950                         burst = left;
1951
1952                 rval = qla2x00_dump_ram(ha, optrom_dma,
1953                     flash_data_to_access_addr(faddr), burst);
1954                 if (rval) {
1955                         qla_printk(KERN_WARNING, ha,
1956                             "Unable to burst-read optrom segment "
1957                             "(%x/%x/%llx).\n", rval,
1958                             flash_data_to_access_addr(faddr),
1959                             (unsigned long long)optrom_dma);
1960                         qla_printk(KERN_WARNING, ha,
1961                             "Reverting to slow-read.\n");
1962
1963                         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1964                             optrom, optrom_dma);
1965                         goto slow_read;
1966                 }
1967
1968                 memcpy(pbuf, optrom, burst * 4);
1969
1970                 left -= burst;
1971                 faddr += burst;
1972                 pbuf += burst * 4;
1973         }
1974
1975         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
1976             optrom_dma);
1977
1978         return buf;
1979
1980 slow_read:
1981     return qla24xx_read_optrom_data(ha, buf, offset, length);
1982 }
1983
1984 /**
1985  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
1986  * @ha: HA context
1987  * @pcids: Pointer to the FCODE PCI data structure
1988  *
1989  * The process of retrieving the FCODE version information is at best
1990  * described as interesting.
1991  *
1992  * Within the first 100h bytes of the image an ASCII string is present
1993  * which contains several pieces of information including the FCODE
1994  * version.  Unfortunately it seems the only reliable way to retrieve
1995  * the version is by scanning for another sentinel within the string,
1996  * the FCODE build date:
1997  *
1998  *      ... 2.00.02 10/17/02 ...
1999  *
2000  * Returns QLA_SUCCESS on successful retrieval of version.
2001  */
2002 static void
2003 qla2x00_get_fcode_version(scsi_qla_host_t *ha, uint32_t pcids)
2004 {
2005         int ret = QLA_FUNCTION_FAILED;
2006         uint32_t istart, iend, iter, vend;
2007         uint8_t do_next, rbyte, *vbyte;
2008
2009         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2010
2011         /* Skip the PCI data structure. */
2012         istart = pcids +
2013             ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2014                 qla2x00_read_flash_byte(ha, pcids + 0x0A));
2015         iend = istart + 0x100;
2016         do {
2017                 /* Scan for the sentinel date string...eeewww. */
2018                 do_next = 0;
2019                 iter = istart;
2020                 while ((iter < iend) && !do_next) {
2021                         iter++;
2022                         if (qla2x00_read_flash_byte(ha, iter) == '/') {
2023                                 if (qla2x00_read_flash_byte(ha, iter + 2) ==
2024                                     '/')
2025                                         do_next++;
2026                                 else if (qla2x00_read_flash_byte(ha,
2027                                     iter + 3) == '/')
2028                                         do_next++;
2029                         }
2030                 }
2031                 if (!do_next)
2032                         break;
2033
2034                 /* Backtrack to previous ' ' (space). */
2035                 do_next = 0;
2036                 while ((iter > istart) && !do_next) {
2037                         iter--;
2038                         if (qla2x00_read_flash_byte(ha, iter) == ' ')
2039                                 do_next++;
2040                 }
2041                 if (!do_next)
2042                         break;
2043
2044                 /*
2045                  * Mark end of version tag, and find previous ' ' (space) or
2046                  * string length (recent FCODE images -- major hack ahead!!!).
2047                  */
2048                 vend = iter - 1;
2049                 do_next = 0;
2050                 while ((iter > istart) && !do_next) {
2051                         iter--;
2052                         rbyte = qla2x00_read_flash_byte(ha, iter);
2053                         if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2054                                 do_next++;
2055                 }
2056                 if (!do_next)
2057                         break;
2058
2059                 /* Mark beginning of version tag, and copy data. */
2060                 iter++;
2061                 if ((vend - iter) &&
2062                     ((vend - iter) < sizeof(ha->fcode_revision))) {
2063                         vbyte = ha->fcode_revision;
2064                         while (iter <= vend) {
2065                                 *vbyte++ = qla2x00_read_flash_byte(ha, iter);
2066                                 iter++;
2067                         }
2068                         ret = QLA_SUCCESS;
2069                 }
2070         } while (0);
2071
2072         if (ret != QLA_SUCCESS)
2073                 memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2074 }
2075
2076 int
2077 qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2078 {
2079         int ret = QLA_SUCCESS;
2080         uint8_t code_type, last_image;
2081         uint32_t pcihdr, pcids;
2082         uint8_t *dbyte;
2083         uint16_t *dcode;
2084
2085         if (!ha->pio_address || !mbuf)
2086                 return QLA_FUNCTION_FAILED;
2087
2088         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2089         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2090         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2091         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2092
2093         qla2x00_flash_enable(ha);
2094
2095         /* Begin with first PCI expansion ROM header. */
2096         pcihdr = 0;
2097         last_image = 1;
2098         do {
2099                 /* Verify PCI expansion ROM header. */
2100                 if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2101                     qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2102                         /* No signature */
2103                         DEBUG2(printk("scsi(%ld): No matching ROM "
2104                             "signature.\n", ha->host_no));
2105                         ret = QLA_FUNCTION_FAILED;
2106                         break;
2107                 }
2108
2109                 /* Locate PCI data structure. */
2110                 pcids = pcihdr +
2111                     ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2112                         qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2113
2114                 /* Validate signature of PCI data structure. */
2115                 if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2116                     qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2117                     qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2118                     qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2119                         /* Incorrect header. */
2120                         DEBUG2(printk("%s(): PCI data struct not found "
2121                             "pcir_adr=%x.\n", __func__, pcids));
2122                         ret = QLA_FUNCTION_FAILED;
2123                         break;
2124                 }
2125
2126                 /* Read version */
2127                 code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2128                 switch (code_type) {
2129                 case ROM_CODE_TYPE_BIOS:
2130                         /* Intel x86, PC-AT compatible. */
2131                         ha->bios_revision[0] =
2132                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2133                         ha->bios_revision[1] =
2134                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2135                         DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
2136                             ha->bios_revision[1], ha->bios_revision[0]));
2137                         break;
2138                 case ROM_CODE_TYPE_FCODE:
2139                         /* Open Firmware standard for PCI (FCode). */
2140                         /* Eeeewww... */
2141                         qla2x00_get_fcode_version(ha, pcids);
2142                         break;
2143                 case ROM_CODE_TYPE_EFI:
2144                         /* Extensible Firmware Interface (EFI). */
2145                         ha->efi_revision[0] =
2146                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2147                         ha->efi_revision[1] =
2148                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2149                         DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
2150                             ha->efi_revision[1], ha->efi_revision[0]));
2151                         break;
2152                 default:
2153                         DEBUG2(printk("%s(): Unrecognized code type %x at "
2154                             "pcids %x.\n", __func__, code_type, pcids));
2155                         break;
2156                 }
2157
2158                 last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2159
2160                 /* Locate next PCI expansion ROM. */
2161                 pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2162                     qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2163         } while (!last_image);
2164
2165         if (IS_QLA2322(ha)) {
2166                 /* Read firmware image information. */
2167                 memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2168                 dbyte = mbuf;
2169                 memset(dbyte, 0, 8);
2170                 dcode = (uint16_t *)dbyte;
2171
2172                 qla2x00_read_flash_data(ha, dbyte, FA_RISC_CODE_ADDR * 4 + 10,
2173                     8);
2174                 DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n",
2175                     __func__, ha->host_no));
2176                 DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
2177
2178                 if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2179                     dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2180                     (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2181                     dcode[3] == 0)) {
2182                         DEBUG2(printk("%s(): Unrecognized fw revision at "
2183                             "%x.\n", __func__, FA_RISC_CODE_ADDR * 4));
2184                 } else {
2185                         /* values are in big endian */
2186                         ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2187                         ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2188                         ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2189                 }
2190         }
2191
2192         qla2x00_flash_disable(ha);
2193
2194         return ret;
2195 }
2196
2197 int
2198 qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2199 {
2200         int ret = QLA_SUCCESS;
2201         uint32_t pcihdr, pcids;
2202         uint32_t *dcode;
2203         uint8_t *bcode;
2204         uint8_t code_type, last_image;
2205         int i;
2206
2207         if (!mbuf)
2208                 return QLA_FUNCTION_FAILED;
2209
2210         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2211         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2212         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2213         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2214
2215         dcode = mbuf;
2216
2217         /* Begin with first PCI expansion ROM header. */
2218         pcihdr = 0;
2219         last_image = 1;
2220         do {
2221                 /* Verify PCI expansion ROM header. */
2222                 qla24xx_read_flash_data(ha, dcode, pcihdr >> 2, 0x20);
2223                 bcode = mbuf + (pcihdr % 4);
2224                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2225                         /* No signature */
2226                         DEBUG2(printk("scsi(%ld): No matching ROM "
2227                             "signature.\n", ha->host_no));
2228                         ret = QLA_FUNCTION_FAILED;
2229                         break;
2230                 }
2231
2232                 /* Locate PCI data structure. */
2233                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2234
2235                 qla24xx_read_flash_data(ha, dcode, pcids >> 2, 0x20);
2236                 bcode = mbuf + (pcihdr % 4);
2237
2238                 /* Validate signature of PCI data structure. */
2239                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2240                     bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2241                         /* Incorrect header. */
2242                         DEBUG2(printk("%s(): PCI data struct not found "
2243                             "pcir_adr=%x.\n", __func__, pcids));
2244                         ret = QLA_FUNCTION_FAILED;
2245                         break;
2246                 }
2247
2248                 /* Read version */
2249                 code_type = bcode[0x14];
2250                 switch (code_type) {
2251                 case ROM_CODE_TYPE_BIOS:
2252                         /* Intel x86, PC-AT compatible. */
2253                         ha->bios_revision[0] = bcode[0x12];
2254                         ha->bios_revision[1] = bcode[0x13];
2255                         DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
2256                             ha->bios_revision[1], ha->bios_revision[0]));
2257                         break;
2258                 case ROM_CODE_TYPE_FCODE:
2259                         /* Open Firmware standard for PCI (FCode). */
2260                         ha->fcode_revision[0] = bcode[0x12];
2261                         ha->fcode_revision[1] = bcode[0x13];
2262                         DEBUG3(printk("%s(): read FCODE %d.%d.\n", __func__,
2263                             ha->fcode_revision[1], ha->fcode_revision[0]));
2264                         break;
2265                 case ROM_CODE_TYPE_EFI:
2266                         /* Extensible Firmware Interface (EFI). */
2267                         ha->efi_revision[0] = bcode[0x12];
2268                         ha->efi_revision[1] = bcode[0x13];
2269                         DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
2270                             ha->efi_revision[1], ha->efi_revision[0]));
2271                         break;
2272                 default:
2273                         DEBUG2(printk("%s(): Unrecognized code type %x at "
2274                             "pcids %x.\n", __func__, code_type, pcids));
2275                         break;
2276                 }
2277
2278                 last_image = bcode[0x15] & BIT_7;
2279
2280                 /* Locate next PCI expansion ROM. */
2281                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2282         } while (!last_image);
2283
2284         /* Read firmware image information. */
2285         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2286         dcode = mbuf;
2287
2288         qla24xx_read_flash_data(ha, dcode, FA_RISC_CODE_ADDR + 4, 4);
2289         for (i = 0; i < 4; i++)
2290                 dcode[i] = be32_to_cpu(dcode[i]);
2291
2292         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
2293             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
2294             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2295             dcode[3] == 0)) {
2296                 DEBUG2(printk("%s(): Unrecognized fw version at %x.\n",
2297                     __func__, FA_RISC_CODE_ADDR));
2298         } else {
2299                 ha->fw_revision[0] = dcode[0];
2300                 ha->fw_revision[1] = dcode[1];
2301                 ha->fw_revision[2] = dcode[2];
2302                 ha->fw_revision[3] = dcode[3];
2303         }
2304
2305         return ret;
2306 }
2307
2308 static int
2309 qla2xxx_hw_event_store(scsi_qla_host_t *ha, uint32_t *fdata)
2310 {
2311         uint32_t d[2], faddr;
2312
2313         /* Locate first empty entry. */
2314         for (;;) {
2315                 if (ha->hw_event_ptr >=
2316                     ha->hw_event_start + FA_HW_EVENT_SIZE) {
2317                         DEBUG2(qla_printk(KERN_WARNING, ha,
2318                             "HW event -- Log Full!\n"));
2319                         return QLA_MEMORY_ALLOC_FAILED;
2320                 }
2321
2322                 qla24xx_read_flash_data(ha, d, ha->hw_event_ptr, 2);
2323                 faddr = flash_data_to_access_addr(ha->hw_event_ptr);
2324                 ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
2325                 if (d[0] == __constant_cpu_to_le32(0xffffffff) &&
2326                     d[1] == __constant_cpu_to_le32(0xffffffff)) {
2327                         qla24xx_unprotect_flash(ha);
2328
2329                         qla24xx_write_flash_dword(ha, faddr++,
2330                             cpu_to_le32(jiffies));
2331                         qla24xx_write_flash_dword(ha, faddr++, 0);
2332                         qla24xx_write_flash_dword(ha, faddr++, *fdata++);
2333                         qla24xx_write_flash_dword(ha, faddr++, *fdata);
2334
2335                         qla24xx_protect_flash(ha);
2336                         break;
2337                 }
2338         }
2339         return QLA_SUCCESS;
2340 }
2341
2342 int
2343 qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
2344     uint16_t d2, uint16_t d3)
2345 {
2346 #define QMARK(a, b, c, d) \
2347     cpu_to_le32(LSB(a) << 24 | LSB(b) << 16 | LSB(c) << 8 | LSB(d))
2348
2349         int rval;
2350         uint32_t marker[2], fdata[4];
2351
2352         if (ha->hw_event_start == 0)
2353                 return QLA_FUNCTION_FAILED;
2354
2355         DEBUG2(qla_printk(KERN_WARNING, ha,
2356             "HW event -- code=%x, d1=%x, d2=%x, d3=%x.\n", code, d1, d2, d3));
2357
2358         /* If marker not already found, locate or write.  */
2359         if (!ha->flags.hw_event_marker_found) {
2360                 /* Create marker. */
2361                 marker[0] = QMARK('L', ha->fw_major_version,
2362                     ha->fw_minor_version, ha->fw_subminor_version);
2363                 marker[1] = QMARK(QLA_DRIVER_MAJOR_VER, QLA_DRIVER_MINOR_VER,
2364                     QLA_DRIVER_PATCH_VER, QLA_DRIVER_BETA_VER);
2365
2366                 /* Locate marker. */
2367                 ha->hw_event_ptr = ha->hw_event_start;
2368                 for (;;) {
2369                         qla24xx_read_flash_data(ha, fdata, ha->hw_event_ptr,
2370                             4);
2371                         if (fdata[0] == __constant_cpu_to_le32(0xffffffff) &&
2372                             fdata[1] == __constant_cpu_to_le32(0xffffffff))
2373                                 break;
2374                         ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
2375                         if (ha->hw_event_ptr >=
2376                             ha->hw_event_start + FA_HW_EVENT_SIZE) {
2377                                 DEBUG2(qla_printk(KERN_WARNING, ha,
2378                                     "HW event -- Log Full!\n"));
2379                                 return QLA_MEMORY_ALLOC_FAILED;
2380                         }
2381                         if (fdata[2] == marker[0] && fdata[3] == marker[1]) {
2382                                 ha->flags.hw_event_marker_found = 1;
2383                                 break;
2384                         }
2385                 }
2386                 /* No marker, write it. */
2387                 if (!ha->flags.hw_event_marker_found) {
2388                         rval = qla2xxx_hw_event_store(ha, marker);
2389                         if (rval != QLA_SUCCESS) {
2390                                 DEBUG2(qla_printk(KERN_WARNING, ha,
2391                                     "HW event -- Failed marker write=%x.!\n",
2392                                     rval));
2393                                 return rval;
2394                         }
2395                         ha->flags.hw_event_marker_found = 1;
2396                 }
2397         }
2398
2399         /* Store error.  */
2400         fdata[0] = cpu_to_le32(code << 16 | d1);
2401         fdata[1] = cpu_to_le32(d2 << 16 | d3);
2402         rval = qla2xxx_hw_event_store(ha, fdata);
2403         if (rval != QLA_SUCCESS) {
2404                 DEBUG2(qla_printk(KERN_WARNING, ha,
2405                     "HW event -- Failed error write=%x.!\n",
2406                     rval));
2407         }
2408
2409         return rval;
2410 }