SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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/slab.h>
  11 #include <linux/vmalloc.h>
  12 #include <asm/uaccess.h>
  13
  14 /*
  15  * NVRAM support routines
  16  */
  17
  18 /**
  19  * qla2x00_lock_nvram_access() -
  20  * @ha: HA context
  21  */
  22 static void
  23 qla2x00_lock_nvram_access(struct qla_hw_data *ha)
  24 {
  25         uint16_t data;
  26         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  27
  28         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  29                 data = RD_REG_WORD(&reg->nvram);
  30                 while (data & NVR_BUSY) {
  31                         udelay(100);
  32                         data = RD_REG_WORD(&reg->nvram);
  33                 }
  34
  35                 /* Lock resource */
  36                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  37                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  38                 udelay(5);
  39                 data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  40                 while ((data & BIT_0) == 0) {
  41                         /* Lock failed */
  42                         udelay(100);
  43                         WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  44                         RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  45                         udelay(5);
  46                         data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  47                 }
  48         }
  49 }
  50
  51 /**
  52  * qla2x00_unlock_nvram_access() -
  53  * @ha: HA context
  54  */
  55 static void
  56 qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
  57 {
  58         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  59
  60         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  61                 WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
  62                 RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  63         }
  64 }
  65
  66 /**
  67  * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
  68  * @ha: HA context
  69  * @data: Serial interface selector
  70  */
  71 static void
  72 qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
  73 {
  74         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  75
  76         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  77         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  78         NVRAM_DELAY();
  79         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
  80             NVR_WRT_ENABLE);
  81         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  82         NVRAM_DELAY();
  83         WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  84         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  85         NVRAM_DELAY();
  86 }
  87
  88 /**
  89  * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
  90  *      NVRAM.
  91  * @ha: HA context
  92  * @nv_cmd: NVRAM command
  93  *
  94  * Bit definitions for NVRAM command:
  95  *
  96  *      Bit 26     = start bit
  97  *      Bit 25, 24 = opcode
  98  *      Bit 23-16  = address
  99  *      Bit 15-0   = write data
 100  *
 101  * Returns the word read from nvram @addr.
 102  */
 103 static uint16_t
 104 qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
 105 {
 106         uint8_t         cnt;
 107         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 108         uint16_t        data = 0;
 109         uint16_t        reg_data;
 110
 111         /* Send command to NVRAM. */
 112         nv_cmd <<= 5;
 113         for (cnt = 0; cnt < 11; cnt++) {
 114                 if (nv_cmd & BIT_31)
 115                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 116                 else
 117                         qla2x00_nv_write(ha, 0);
 118                 nv_cmd <<= 1;
 119         }
 120
 121         /* Read data from NVRAM. */
 122         for (cnt = 0; cnt < 16; cnt++) {
 123                 WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
 124                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 125                 NVRAM_DELAY();
 126                 data <<= 1;
 127                 reg_data = RD_REG_WORD(&reg->nvram);
 128                 if (reg_data & NVR_DATA_IN)
 129                         data |= BIT_0;
 130                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 131                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 132                 NVRAM_DELAY();
 133         }
 134
 135         /* Deselect chip. */
 136         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 137         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 138         NVRAM_DELAY();
 139
 140         return data;
 141 }
 142
 143
 144 /**
 145  * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
 146  *      request routine to get the word from NVRAM.
 147  * @ha: HA context
 148  * @addr: Address in NVRAM to read
 149  *
 150  * Returns the word read from nvram @addr.
 151  */
 152 static uint16_t
 153 qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
 154 {
 155         uint16_t        data;
 156         uint32_t        nv_cmd;
 157
 158         nv_cmd = addr << 16;
 159         nv_cmd |= NV_READ_OP;
 160         data = qla2x00_nvram_request(ha, nv_cmd);
 161
 162         return (data);
 163 }
 164
 165 /**
 166  * qla2x00_nv_deselect() - Deselect NVRAM operations.
 167  * @ha: HA context
 168  */
 169 static void
 170 qla2x00_nv_deselect(struct qla_hw_data *ha)
 171 {
 172         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 173
 174         WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 175         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 176         NVRAM_DELAY();
 177 }
 178
 179 /**
 180  * qla2x00_write_nvram_word() - Write NVRAM data.
 181  * @ha: HA context
 182  * @addr: Address in NVRAM to write
 183  * @data: word to program
 184  */
 185 static void
 186 qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
 187 {
 188         int count;
 189         uint16_t word;
 190         uint32_t nv_cmd, wait_cnt;
 191         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 192
 193         qla2x00_nv_write(ha, NVR_DATA_OUT);
 194         qla2x00_nv_write(ha, 0);
 195         qla2x00_nv_write(ha, 0);
 196
 197         for (word = 0; word < 8; word++)
 198                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 199
 200         qla2x00_nv_deselect(ha);
 201
 202         /* Write data */
 203         nv_cmd = (addr << 16) | NV_WRITE_OP;
 204         nv_cmd |= data;
 205         nv_cmd <<= 5;
 206         for (count = 0; count < 27; count++) {
 207                 if (nv_cmd & BIT_31)
 208                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 209                 else
 210                         qla2x00_nv_write(ha, 0);
 211
 212                 nv_cmd <<= 1;
 213         }
 214
 215         qla2x00_nv_deselect(ha);
 216
 217         /* Wait for NVRAM to become ready */
 218         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 219         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 220         wait_cnt = NVR_WAIT_CNT;
 221         do {
 222                 if (!--wait_cnt) {
 223                         DEBUG9_10(qla_printk(KERN_WARNING, ha,
 224                             "NVRAM didn't go ready...\n"));
 225                         break;
 226                 }
 227                 NVRAM_DELAY();
 228                 word = RD_REG_WORD(&reg->nvram);
 229         } while ((word & NVR_DATA_IN) == 0);
 230
 231         qla2x00_nv_deselect(ha);
 232
 233         /* Disable writes */
 234         qla2x00_nv_write(ha, NVR_DATA_OUT);
 235         for (count = 0; count < 10; count++)
 236                 qla2x00_nv_write(ha, 0);
 237
 238         qla2x00_nv_deselect(ha);
 239 }
 240
 241 static int
 242 qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
 243         uint16_t data, uint32_t tmo)
 244 {
 245         int ret, count;
 246         uint16_t word;
 247         uint32_t nv_cmd;
 248         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 249
 250         ret = QLA_SUCCESS;
 251
 252         qla2x00_nv_write(ha, NVR_DATA_OUT);
 253         qla2x00_nv_write(ha, 0);
 254         qla2x00_nv_write(ha, 0);
 255
 256         for (word = 0; word < 8; word++)
 257                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 258
 259         qla2x00_nv_deselect(ha);
 260
 261         /* Write data */
 262         nv_cmd = (addr << 16) | NV_WRITE_OP;
 263         nv_cmd |= data;
 264         nv_cmd <<= 5;
 265         for (count = 0; count < 27; count++) {
 266                 if (nv_cmd & BIT_31)
 267                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 268                 else
 269                         qla2x00_nv_write(ha, 0);
 270
 271                 nv_cmd <<= 1;
 272         }
 273
 274         qla2x00_nv_deselect(ha);
 275
 276         /* Wait for NVRAM to become ready */
 277         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 278         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 279         do {
 280                 NVRAM_DELAY();
 281                 word = RD_REG_WORD(&reg->nvram);
 282                 if (!--tmo) {
 283                         ret = QLA_FUNCTION_FAILED;
 284                         break;
 285                 }
 286         } while ((word & NVR_DATA_IN) == 0);
 287
 288         qla2x00_nv_deselect(ha);
 289
 290         /* Disable writes */
 291         qla2x00_nv_write(ha, NVR_DATA_OUT);
 292         for (count = 0; count < 10; count++)
 293                 qla2x00_nv_write(ha, 0);
 294
 295         qla2x00_nv_deselect(ha);
 296
 297         return ret;
 298 }
 299
 300 /**
 301  * qla2x00_clear_nvram_protection() -
 302  * @ha: HA context
 303  */
 304 static int
 305 qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
 306 {
 307         int ret, stat;
 308         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 309         uint32_t word, wait_cnt;
 310         uint16_t wprot, wprot_old;
 311
 312         /* Clear NVRAM write protection. */
 313         ret = QLA_FUNCTION_FAILED;
 314
 315         wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 316         stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
 317             __constant_cpu_to_le16(0x1234), 100000);
 318         wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 319         if (stat != QLA_SUCCESS || wprot != 0x1234) {
 320                 /* Write enable. */
 321                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 322                 qla2x00_nv_write(ha, 0);
 323                 qla2x00_nv_write(ha, 0);
 324                 for (word = 0; word < 8; word++)
 325                         qla2x00_nv_write(ha, NVR_DATA_OUT);
 326
 327                 qla2x00_nv_deselect(ha);
 328
 329                 /* Enable protection register. */
 330                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 331                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 332                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 333                 for (word = 0; word < 8; word++)
 334                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 335
 336                 qla2x00_nv_deselect(ha);
 337
 338                 /* Clear protection register (ffff is cleared). */
 339                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 340                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 341                 qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 342                 for (word = 0; word < 8; word++)
 343                         qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 344
 345                 qla2x00_nv_deselect(ha);
 346
 347                 /* Wait for NVRAM to become ready. */
 348                 WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 349                 RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 350                 wait_cnt = NVR_WAIT_CNT;
 351                 do {
 352                         if (!--wait_cnt) {
 353                                 DEBUG9_10(qla_printk(KERN_WARNING, ha,
 354                                     "NVRAM didn't go ready...\n"));
 355                                 break;
 356                         }
 357                         NVRAM_DELAY();
 358                         word = RD_REG_WORD(&reg->nvram);
 359                 } while ((word & NVR_DATA_IN) == 0);
 360
 361                 if (wait_cnt)
 362                         ret = QLA_SUCCESS;
 363         } else
 364                 qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
 365
 366         return ret;
 367 }
 368
 369 static void
 370 qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
 371 {
 372         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 373         uint32_t word, wait_cnt;
 374
 375         if (stat != QLA_SUCCESS)
 376                 return;
 377
 378         /* Set NVRAM write protection. */
 379         /* Write enable. */
 380         qla2x00_nv_write(ha, NVR_DATA_OUT);
 381         qla2x00_nv_write(ha, 0);
 382         qla2x00_nv_write(ha, 0);
 383         for (word = 0; word < 8; word++)
 384                 qla2x00_nv_write(ha, NVR_DATA_OUT);
 385
 386         qla2x00_nv_deselect(ha);
 387
 388         /* Enable protection register. */
 389         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 390         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 391         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 392         for (word = 0; word < 8; word++)
 393                 qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 394
 395         qla2x00_nv_deselect(ha);
 396
 397         /* Enable protection register. */
 398         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 399         qla2x00_nv_write(ha, NVR_PR_ENABLE);
 400         qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 401         for (word = 0; word < 8; word++)
 402                 qla2x00_nv_write(ha, NVR_PR_ENABLE);
 403
 404         qla2x00_nv_deselect(ha);
 405
 406         /* Wait for NVRAM to become ready. */
 407         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 408         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 409         wait_cnt = NVR_WAIT_CNT;
 410         do {
 411                 if (!--wait_cnt) {
 412                         DEBUG9_10(qla_printk(KERN_WARNING, ha,
 413                             "NVRAM didn't go ready...\n"));
 414                         break;
 415                 }
 416                 NVRAM_DELAY();
 417                 word = RD_REG_WORD(&reg->nvram);
 418         } while ((word & NVR_DATA_IN) == 0);
 419 }
 420
 421
 422 /*****************************************************************************/
 423 /* Flash Manipulation Routines                                               */
 424 /*****************************************************************************/
 425
 426 #define OPTROM_BURST_SIZE       0x1000
 427 #define OPTROM_BURST_DWORDS     (OPTROM_BURST_SIZE / 4)
 428
 429 static inline uint32_t
 430 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
 431 {
 432         return ha->flash_conf_off | faddr;
 433 }
 434
 435 static inline uint32_t
 436 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
 437 {
 438         return ha->flash_data_off | faddr;
 439 }
 440
 441 static inline uint32_t
 442 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
 443 {
 444         return ha->nvram_conf_off | naddr;
 445 }
 446
 447 static inline uint32_t
 448 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
 449 {
 450         return ha->nvram_data_off | naddr;
 451 }
 452
 453 static uint32_t
 454 qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
 455 {
 456         int rval;
 457         uint32_t cnt, data;
 458         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 459
 460         WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
 461         /* Wait for READ cycle to complete. */
 462         rval = QLA_SUCCESS;
 463         for (cnt = 3000;
 464             (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
 465             rval == QLA_SUCCESS; cnt--) {
 466                 if (cnt)
 467                         udelay(10);
 468                 else
 469                         rval = QLA_FUNCTION_TIMEOUT;
 470                 cond_resched();
 471         }
 472
 473         /* TODO: What happens if we time out? */
 474         data = 0xDEADDEAD;
 475         if (rval == QLA_SUCCESS)
 476                 data = RD_REG_DWORD(&reg->flash_data);
 477
 478         return data;
 479 }
 480
 481 uint32_t *
 482 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
 483     uint32_t dwords)
 484 {
 485         uint32_t i;
 486         struct qla_hw_data *ha = vha->hw;
 487
 488         /* Dword reads to flash. */
 489         for (i = 0; i < dwords; i++, faddr++)
 490                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 491                     flash_data_addr(ha, faddr)));
 492
 493         return dwptr;
 494 }
 495
 496 static int
 497 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
 498 {
 499         int rval;
 500         uint32_t cnt;
 501         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 502
 503         WRT_REG_DWORD(&reg->flash_data, data);
 504         RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
 505         WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
 506         /* Wait for Write cycle to complete. */
 507         rval = QLA_SUCCESS;
 508         for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
 509             rval == QLA_SUCCESS; cnt--) {
 510                 if (cnt)
 511                         udelay(10);
 512                 else
 513                         rval = QLA_FUNCTION_TIMEOUT;
 514                 cond_resched();
 515         }
 516         return rval;
 517 }
 518
 519 static void
 520 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
 521     uint8_t *flash_id)
 522 {
 523         uint32_t ids;
 524
 525         ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
 526         *man_id = LSB(ids);
 527         *flash_id = MSB(ids);
 528
 529         /* Check if man_id and flash_id are valid. */
 530         if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
 531                 /* Read information using 0x9f opcode
 532                  * Device ID, Mfg ID would be read in the format:
 533                  *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
 534                  * Example: ATMEL 0x00 01 45 1F
 535                  * Extract MFG and Dev ID from last two bytes.
 536                  */
 537                 ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
 538                 *man_id = LSB(ids);
 539                 *flash_id = MSB(ids);
 540         }
 541 }
 542
 543 static int
 544 qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
 545 {
 546         const char *loc, *locations[] = { "DEF", "PCI" };
 547         uint32_t pcihdr, pcids;
 548         uint32_t *dcode;
 549         uint8_t *buf, *bcode, last_image;
 550         uint16_t cnt, chksum, *wptr;
 551         struct qla_flt_location *fltl;
 552         struct qla_hw_data *ha = vha->hw;
 553         struct req_que *req = ha->req_q_map[0];
 554
 555         /*
 556          * FLT-location structure resides after the last PCI region.
 557          */
 558
 559         /* Begin with sane defaults. */
 560         loc = locations[0];
 561         *start = 0;
 562         if (IS_QLA24XX_TYPE(ha))
 563                 *start = FA_FLASH_LAYOUT_ADDR_24;
 564         else if (IS_QLA25XX(ha))
 565                 *start = FA_FLASH_LAYOUT_ADDR;
 566         else if (IS_QLA81XX(ha))
 567                 *start = FA_FLASH_LAYOUT_ADDR_81;
 568         /* Begin with first PCI expansion ROM header. */
 569         buf = (uint8_t *)req->ring;
 570         dcode = (uint32_t *)req->ring;
 571         pcihdr = 0;
 572         last_image = 1;
 573         do {
 574                 /* Verify PCI expansion ROM header. */
 575                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
 576                 bcode = buf + (pcihdr % 4);
 577                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
 578                         goto end;
 579
 580                 /* Locate PCI data structure. */
 581                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
 582                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
 583                 bcode = buf + (pcihdr % 4);
 584
 585                 /* Validate signature of PCI data structure. */
 586                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
 587                     bcode[0x2] != 'I' || bcode[0x3] != 'R')
 588                         goto end;
 589
 590                 last_image = bcode[0x15] & BIT_7;
 591
 592                 /* Locate next PCI expansion ROM. */
 593                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
 594         } while (!last_image);
 595
 596         /* Now verify FLT-location structure. */
 597         fltl = (struct qla_flt_location *)req->ring;
 598         qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
 599             sizeof(struct qla_flt_location) >> 2);
 600         if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
 601             fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
 602                 goto end;
 603
 604         wptr = (uint16_t *)req->ring;
 605         cnt = sizeof(struct qla_flt_location) >> 1;
 606         for (chksum = 0; cnt; cnt--)
 607                 chksum += le16_to_cpu(*wptr++);
 608         if (chksum) {
 609                 qla_printk(KERN_ERR, ha,
 610                     "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
 611                 qla2x00_dump_buffer(buf, sizeof(struct qla_flt_location));
 612                 return QLA_FUNCTION_FAILED;
 613         }
 614
 615         /* Good data.  Use specified location. */
 616         loc = locations[1];
 617         *start = (le16_to_cpu(fltl->start_hi) << 16 |
 618             le16_to_cpu(fltl->start_lo)) >> 2;
 619 end:
 620         DEBUG2(qla_printk(KERN_DEBUG, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
 621         return QLA_SUCCESS;
 622 }
 623
 624 static void
 625 qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 626 {
 627         const char *loc, *locations[] = { "DEF", "FLT" };
 628         const uint32_t def_fw[] =
 629                 { FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
 630         const uint32_t def_boot[] =
 631                 { FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
 632         const uint32_t def_vpd_nvram[] =
 633                 { FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
 634         const uint32_t def_vpd0[] =
 635                 { 0, 0, FA_VPD0_ADDR_81 };
 636         const uint32_t def_vpd1[] =
 637                 { 0, 0, FA_VPD1_ADDR_81 };
 638         const uint32_t def_nvram0[] =
 639                 { 0, 0, FA_NVRAM0_ADDR_81 };
 640         const uint32_t def_nvram1[] =
 641                 { 0, 0, FA_NVRAM1_ADDR_81 };
 642         const uint32_t def_fdt[] =
 643                 { FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
 644                         FA_FLASH_DESCR_ADDR_81 };
 645         const uint32_t def_npiv_conf0[] =
 646                 { FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
 647                         FA_NPIV_CONF0_ADDR_81 };
 648         const uint32_t def_npiv_conf1[] =
 649                 { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
 650                         FA_NPIV_CONF1_ADDR_81 };
 651         const uint32_t fcp_prio_cfg0[] =
 652                 { FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
 653                         0 };
 654         const uint32_t fcp_prio_cfg1[] =
 655                 { FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
 656                         0 };
 657         uint32_t def;
 658         uint16_t *wptr;
 659         uint16_t cnt, chksum;
 660         uint32_t start;
 661         struct qla_flt_header *flt;
 662         struct qla_flt_region *region;
 663         struct qla_hw_data *ha = vha->hw;
 664         struct req_que *req = ha->req_q_map[0];
 665
 666         ha->flt_region_flt = flt_addr;
 667         wptr = (uint16_t *)req->ring;
 668         flt = (struct qla_flt_header *)req->ring;
 669         region = (struct qla_flt_region *)&flt[1];
 670         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 671             flt_addr << 2, OPTROM_BURST_SIZE);
 672         if (*wptr == __constant_cpu_to_le16(0xffff))
 673                 goto no_flash_data;
 674         if (flt->version != __constant_cpu_to_le16(1)) {
 675                 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported FLT detected: "
 676                     "version=0x%x length=0x%x checksum=0x%x.\n",
 677                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 678                     le16_to_cpu(flt->checksum)));
 679                 goto no_flash_data;
 680         }
 681
 682         cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
 683         for (chksum = 0; cnt; cnt--)
 684                 chksum += le16_to_cpu(*wptr++);
 685         if (chksum) {
 686                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
 687                     "version=0x%x length=0x%x checksum=0x%x.\n",
 688                     le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 689                     chksum));
 690                 goto no_flash_data;
 691         }
 692
 693         loc = locations[1];
 694         cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
 695         for ( ; cnt; cnt--, region++) {
 696                 /* Store addresses as DWORD offsets. */
 697                 start = le32_to_cpu(region->start) >> 2;
 698
 699                 DEBUG3(qla_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
 700                     "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
 701                     le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
 702
 703                 switch (le32_to_cpu(region->code) & 0xff) {
 704                 case FLT_REG_FW:
 705                         ha->flt_region_fw = start;
 706                         break;
 707                 case FLT_REG_BOOT_CODE:
 708                         ha->flt_region_boot = start;
 709                         break;
 710                 case FLT_REG_VPD_0:
 711                         ha->flt_region_vpd_nvram = start;
 712                         if (ha->flags.port0)
 713                                 ha->flt_region_vpd = start;
 714                         break;
 715                 case FLT_REG_VPD_1:
 716                         if (!ha->flags.port0)
 717                                 ha->flt_region_vpd = start;
 718                         break;
 719                 case FLT_REG_NVRAM_0:
 720                         if (ha->flags.port0)
 721                                 ha->flt_region_nvram = start;
 722                         break;
 723                 case FLT_REG_NVRAM_1:
 724                         if (!ha->flags.port0)
 725                                 ha->flt_region_nvram = start;
 726                         break;
 727                 case FLT_REG_FDT:
 728                         ha->flt_region_fdt = start;
 729                         break;
 730                 case FLT_REG_NPIV_CONF_0:
 731                         if (ha->flags.port0)
 732                                 ha->flt_region_npiv_conf = start;
 733                         break;
 734                 case FLT_REG_NPIV_CONF_1:
 735                         if (!ha->flags.port0)
 736                                 ha->flt_region_npiv_conf = start;
 737                         break;
 738                 case FLT_REG_GOLD_FW:
 739                         ha->flt_region_gold_fw = start;
 740                         break;
 741                 case FLT_REG_FCP_PRIO_0:
 742                         if (!(PCI_FUNC(ha->pdev->devfn) & 1))
 743                                 ha->flt_region_fcp_prio = start;
 744                         break;
 745                 case FLT_REG_FCP_PRIO_1:
 746                         if (PCI_FUNC(ha->pdev->devfn) & 1)
 747                                 ha->flt_region_fcp_prio = start;
 748                         break;
 749                 }
 750         }
 751         goto done;
 752
 753 no_flash_data:
 754         /* Use hardcoded defaults. */
 755         loc = locations[0];
 756         def = 0;
 757         if (IS_QLA24XX_TYPE(ha))
 758                 def = 0;
 759         else if (IS_QLA25XX(ha))
 760                 def = 1;
 761         else if (IS_QLA81XX(ha))
 762                 def = 2;
 763         ha->flt_region_fw = def_fw[def];
 764         ha->flt_region_boot = def_boot[def];
 765         ha->flt_region_vpd_nvram = def_vpd_nvram[def];
 766         ha->flt_region_vpd = ha->flags.port0 ?
 767             def_vpd0[def] : def_vpd1[def];
 768         ha->flt_region_nvram = ha->flags.port0 ?
 769             def_nvram0[def] : def_nvram1[def];
 770         ha->flt_region_fdt = def_fdt[def];
 771         ha->flt_region_npiv_conf = ha->flags.port0 ?
 772             def_npiv_conf0[def] : def_npiv_conf1[def];
 773         ha->flt_region_fcp_prio = ha->flags.port0 ?
 774             fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
 775 done:
 776         DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
 777             "vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x "
 778             "npiv=0x%x.\n", loc, ha->flt_region_boot, ha->flt_region_fw,
 779             ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
 780             ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf));
 781 }
 782
 783 static void
 784 qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 785 {
 786 #define FLASH_BLK_SIZE_4K       0x1000
 787 #define FLASH_BLK_SIZE_32K      0x8000
 788 #define FLASH_BLK_SIZE_64K      0x10000
 789         const char *loc, *locations[] = { "MID", "FDT" };
 790         uint16_t cnt, chksum;
 791         uint16_t *wptr;
 792         struct qla_fdt_layout *fdt;
 793         uint8_t man_id, flash_id;
 794         uint16_t mid, fid;
 795         struct qla_hw_data *ha = vha->hw;
 796         struct req_que *req = ha->req_q_map[0];
 797
 798         wptr = (uint16_t *)req->ring;
 799         fdt = (struct qla_fdt_layout *)req->ring;
 800         ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 801             ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
 802         if (*wptr == __constant_cpu_to_le16(0xffff))
 803                 goto no_flash_data;
 804         if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
 805             fdt->sig[3] != 'D')
 806                 goto no_flash_data;
 807
 808         for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
 809             cnt++)
 810                 chksum += le16_to_cpu(*wptr++);
 811         if (chksum) {
 812                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
 813                     "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
 814                     le16_to_cpu(fdt->version)));
 815                 DEBUG9(qla2x00_dump_buffer((uint8_t *)fdt, sizeof(*fdt)));
 816                 goto no_flash_data;
 817         }
 818
 819         loc = locations[1];
 820         mid = le16_to_cpu(fdt->man_id);
 821         fid = le16_to_cpu(fdt->id);
 822         ha->fdt_wrt_disable = fdt->wrt_disable_bits;
 823         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
 824         ha->fdt_block_size = le32_to_cpu(fdt->block_size);
 825         if (fdt->unprotect_sec_cmd) {
 826                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
 827                     fdt->unprotect_sec_cmd);
 828                 ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
 829                     flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd):
 830                     flash_conf_addr(ha, 0x0336);
 831         }
 832         goto done;
 833 no_flash_data:
 834         loc = locations[0];
 835         qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
 836         mid = man_id;
 837         fid = flash_id;
 838         ha->fdt_wrt_disable = 0x9c;
 839         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
 840         switch (man_id) {
 841         case 0xbf: /* STT flash. */
 842                 if (flash_id == 0x8e)
 843                         ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 844                 else
 845                         ha->fdt_block_size = FLASH_BLK_SIZE_32K;
 846
 847                 if (flash_id == 0x80)
 848                         ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
 849                 break;
 850         case 0x13: /* ST M25P80. */
 851                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 852                 break;
 853         case 0x1f: /* Atmel 26DF081A. */
 854                 ha->fdt_block_size = FLASH_BLK_SIZE_4K;
 855                 ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
 856                 ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
 857                 ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
 858                 break;
 859         default:
 860                 /* Default to 64 kb sector size. */
 861                 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 862                 break;
 863         }
 864 done:
 865         DEBUG2(qla_printk(KERN_DEBUG, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
 866             "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
 867             ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
 868             ha->fdt_unprotect_sec_cmd, ha->fdt_wrt_disable,
 869             ha->fdt_block_size));
 870 }
 871
 872 int
 873 qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 874 {
 875         int ret;
 876         uint32_t flt_addr;
 877         struct qla_hw_data *ha = vha->hw;
 878
 879         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 880                 return QLA_SUCCESS;
 881
 882         ret = qla2xxx_find_flt_start(vha, &flt_addr);
 883         if (ret != QLA_SUCCESS)
 884                 return ret;
 885
 886         qla2xxx_get_flt_info(vha, flt_addr);
 887         qla2xxx_get_fdt_info(vha);
 888
 889         return QLA_SUCCESS;
 890 }
 891
 892 void
 893 qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
 894 {
 895 #define NPIV_CONFIG_SIZE        (16*1024)
 896         void *data;
 897         uint16_t *wptr;
 898         uint16_t cnt, chksum;
 899         int i;
 900         struct qla_npiv_header hdr;
 901         struct qla_npiv_entry *entry;
 902         struct qla_hw_data *ha = vha->hw;
 903
 904         if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 905                 return;
 906
 907         ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
 908             ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
 909         if (hdr.version == __constant_cpu_to_le16(0xffff))
 910                 return;
 911         if (hdr.version != __constant_cpu_to_le16(1)) {
 912                 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
 913                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 914                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 915                     le16_to_cpu(hdr.checksum)));
 916                 return;
 917         }
 918
 919         data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
 920         if (!data) {
 921                 DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
 922                     "allocate memory.\n"));
 923                 return;
 924         }
 925
 926         ha->isp_ops->read_optrom(vha, (uint8_t *)data,
 927             ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
 928
 929         cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
 930             sizeof(struct qla_npiv_entry)) >> 1;
 931         for (wptr = data, chksum = 0; cnt; cnt--)
 932                 chksum += le16_to_cpu(*wptr++);
 933         if (chksum) {
 934                 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
 935                     "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 936                     le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 937                     chksum));
 938                 goto done;
 939         }
 940
 941         entry = data + sizeof(struct qla_npiv_header);
 942         cnt = le16_to_cpu(hdr.entries);
 943         for (i = 0; cnt; cnt--, entry++, i++) {
 944                 uint16_t flags;
 945                 struct fc_vport_identifiers vid;
 946                 struct fc_vport *vport;
 947
 948                 memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
 949
 950                 flags = le16_to_cpu(entry->flags);
 951                 if (flags == 0xffff)
 952                         continue;
 953                 if ((flags & BIT_0) == 0)
 954                         continue;
 955
 956                 memset(&vid, 0, sizeof(vid));
 957                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
 958                 vid.vport_type = FC_PORTTYPE_NPIV;
 959                 vid.disable = false;
 960                 vid.port_name = wwn_to_u64(entry->port_name);
 961                 vid.node_name = wwn_to_u64(entry->node_name);
 962
 963                 DEBUG2(qla_printk(KERN_INFO, ha, "NPIV[%02x]: wwpn=%llx "
 964                         "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
 965                         (unsigned long long)vid.port_name,
 966                         (unsigned long long)vid.node_name,
 967                         le16_to_cpu(entry->vf_id),
 968                         entry->q_qos, entry->f_qos));
 969
 970                 if (i < QLA_PRECONFIG_VPORTS) {
 971                         vport = fc_vport_create(vha->host, 0, &vid);
 972                         if (!vport)
 973                                 qla_printk(KERN_INFO, ha,
 974                                 "NPIV-Config: Failed to create vport [%02x]: "
 975                                 "wwpn=%llx wwnn=%llx.\n", cnt,
 976                                 (unsigned long long)vid.port_name,
 977                                 (unsigned long long)vid.node_name);
 978                 }
 979         }
 980 done:
 981         kfree(data);
 982 }
 983
 984 static int
 985 qla24xx_unprotect_flash(scsi_qla_host_t *vha)
 986 {
 987         struct qla_hw_data *ha = vha->hw;
 988         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 989
 990         if (ha->flags.fac_supported)
 991                 return qla81xx_fac_do_write_enable(vha, 1);
 992
 993         /* Enable flash write. */
 994         WRT_REG_DWORD(&reg->ctrl_status,
 995             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
 996         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 997
 998         if (!ha->fdt_wrt_disable)
 999                 goto done;
1000
1001         /* Disable flash write-protection, first clear SR protection bit */
1002         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1003         /* Then write zero again to clear remaining SR bits.*/
1004         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1005 done:
1006         return QLA_SUCCESS;
1007 }
1008
1009 static int
1010 qla24xx_protect_flash(scsi_qla_host_t *vha)
1011 {
1012         uint32_t cnt;
1013         struct qla_hw_data *ha = vha->hw;
1014         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1015
1016         if (ha->flags.fac_supported)
1017                 return qla81xx_fac_do_write_enable(vha, 0);
1018
1019         if (!ha->fdt_wrt_disable)
1020                 goto skip_wrt_protect;
1021
1022         /* Enable flash write-protection and wait for completion. */
1023         qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
1024             ha->fdt_wrt_disable);
1025         for (cnt = 300; cnt &&
1026             qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
1027             cnt--) {
1028                 udelay(10);
1029         }
1030
1031 skip_wrt_protect:
1032         /* Disable flash write. */
1033         WRT_REG_DWORD(&reg->ctrl_status,
1034             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1035         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1036
1037         return QLA_SUCCESS;
1038 }
1039
1040 static int
1041 qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1042 {
1043         struct qla_hw_data *ha = vha->hw;
1044         uint32_t start, finish;
1045
1046         if (ha->flags.fac_supported) {
1047                 start = fdata >> 2;
1048                 finish = start + (ha->fdt_block_size >> 2) - 1;
1049                 return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1050                     start), flash_data_addr(ha, finish));
1051         }
1052
1053         return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1054             (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1055             ((fdata >> 16) & 0xff));
1056 }
1057
1058 static int
1059 qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1060     uint32_t dwords)
1061 {
1062         int ret;
1063         uint32_t liter;
1064         uint32_t sec_mask, rest_addr;
1065         uint32_t fdata;
1066         dma_addr_t optrom_dma;
1067         void *optrom = NULL;
1068         struct qla_hw_data *ha = vha->hw;
1069
1070         /* Prepare burst-capable write on supported ISPs. */
1071         if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && !(faddr & 0xfff) &&
1072             dwords > OPTROM_BURST_DWORDS) {
1073                 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1074                     &optrom_dma, GFP_KERNEL);
1075                 if (!optrom) {
1076                         qla_printk(KERN_DEBUG, ha,
1077                             "Unable to allocate memory for optrom burst write "
1078                             "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
1079                 }
1080         }
1081
1082         rest_addr = (ha->fdt_block_size >> 2) - 1;
1083         sec_mask = ~rest_addr;
1084
1085         ret = qla24xx_unprotect_flash(vha);
1086         if (ret != QLA_SUCCESS) {
1087                 qla_printk(KERN_WARNING, ha,
1088                     "Unable to unprotect flash for update.\n");
1089                 goto done;
1090         }
1091
1092         for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1093                 fdata = (faddr & sec_mask) << 2;
1094
1095                 /* Are we at the beginning of a sector? */
1096                 if ((faddr & rest_addr) == 0) {
1097                         /* Do sector unprotect. */
1098                         if (ha->fdt_unprotect_sec_cmd)
1099                                 qla24xx_write_flash_dword(ha,
1100                                     ha->fdt_unprotect_sec_cmd,
1101                                     (fdata & 0xff00) | ((fdata << 16) &
1102                                     0xff0000) | ((fdata >> 16) & 0xff));
1103                         ret = qla24xx_erase_sector(vha, fdata);
1104                         if (ret != QLA_SUCCESS) {
1105                                 DEBUG9(qla_printk(KERN_WARNING, ha,
1106                                     "Unable to erase sector: address=%x.\n",
1107                                     faddr));
1108                                 break;
1109                         }
1110                 }
1111
1112                 /* Go with burst-write. */
1113                 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
1114                         /* Copy data to DMA'ble buffer. */
1115                         memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
1116
1117                         ret = qla2x00_load_ram(vha, optrom_dma,
1118                             flash_data_addr(ha, faddr),
1119                             OPTROM_BURST_DWORDS);
1120                         if (ret != QLA_SUCCESS) {
1121                                 qla_printk(KERN_WARNING, ha,
1122                                     "Unable to burst-write optrom segment "
1123                                     "(%x/%x/%llx).\n", ret,
1124                                     flash_data_addr(ha, faddr),
1125                                     (unsigned long long)optrom_dma);
1126                                 qla_printk(KERN_WARNING, ha,
1127                                     "Reverting to slow-write.\n");
1128
1129                                 dma_free_coherent(&ha->pdev->dev,
1130                                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1131                                 optrom = NULL;
1132                         } else {
1133                                 liter += OPTROM_BURST_DWORDS - 1;
1134                                 faddr += OPTROM_BURST_DWORDS - 1;
1135                                 dwptr += OPTROM_BURST_DWORDS - 1;
1136                                 continue;
1137                         }
1138                 }
1139
1140                 ret = qla24xx_write_flash_dword(ha,
1141                     flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1142                 if (ret != QLA_SUCCESS) {
1143                         DEBUG9(printk("%s(%ld) Unable to program flash "
1144                             "address=%x data=%x.\n", __func__,
1145                             vha->host_no, faddr, *dwptr));
1146                         break;
1147                 }
1148
1149                 /* Do sector protect. */
1150                 if (ha->fdt_unprotect_sec_cmd &&
1151                     ((faddr & rest_addr) == rest_addr))
1152                         qla24xx_write_flash_dword(ha,
1153                             ha->fdt_protect_sec_cmd,
1154                             (fdata & 0xff00) | ((fdata << 16) &
1155                             0xff0000) | ((fdata >> 16) & 0xff));
1156         }
1157
1158         ret = qla24xx_protect_flash(vha);
1159         if (ret != QLA_SUCCESS)
1160                 qla_printk(KERN_WARNING, ha,
1161                     "Unable to protect flash after update.\n");
1162 done:
1163         if (optrom)
1164                 dma_free_coherent(&ha->pdev->dev,
1165                     OPTROM_BURST_SIZE, optrom, optrom_dma);
1166
1167         return ret;
1168 }
1169
1170 uint8_t *
1171 qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1172     uint32_t bytes)
1173 {
1174         uint32_t i;
1175         uint16_t *wptr;
1176         struct qla_hw_data *ha = vha->hw;
1177
1178         /* Word reads to NVRAM via registers. */
1179         wptr = (uint16_t *)buf;
1180         qla2x00_lock_nvram_access(ha);
1181         for (i = 0; i < bytes >> 1; i++, naddr++)
1182                 wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1183                     naddr));
1184         qla2x00_unlock_nvram_access(ha);
1185
1186         return buf;
1187 }
1188
1189 uint8_t *
1190 qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1191     uint32_t bytes)
1192 {
1193         uint32_t i;
1194         uint32_t *dwptr;
1195         struct qla_hw_data *ha = vha->hw;
1196
1197         /* Dword reads to flash. */
1198         dwptr = (uint32_t *)buf;
1199         for (i = 0; i < bytes >> 2; i++, naddr++)
1200                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1201                     nvram_data_addr(ha, naddr)));
1202
1203         return buf;
1204 }
1205
1206 int
1207 qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1208     uint32_t bytes)
1209 {
1210         int ret, stat;
1211         uint32_t i;
1212         uint16_t *wptr;
1213         unsigned long flags;
1214         struct qla_hw_data *ha = vha->hw;
1215
1216         ret = QLA_SUCCESS;
1217
1218         spin_lock_irqsave(&ha->hardware_lock, flags);
1219         qla2x00_lock_nvram_access(ha);
1220
1221         /* Disable NVRAM write-protection. */
1222         stat = qla2x00_clear_nvram_protection(ha);
1223
1224         wptr = (uint16_t *)buf;
1225         for (i = 0; i < bytes >> 1; i++, naddr++) {
1226                 qla2x00_write_nvram_word(ha, naddr,
1227                     cpu_to_le16(*wptr));
1228                 wptr++;
1229         }
1230
1231         /* Enable NVRAM write-protection. */
1232         qla2x00_set_nvram_protection(ha, stat);
1233
1234         qla2x00_unlock_nvram_access(ha);
1235         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1236
1237         return ret;
1238 }
1239
1240 int
1241 qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1242     uint32_t bytes)
1243 {
1244         int ret;
1245         uint32_t i;
1246         uint32_t *dwptr;
1247         struct qla_hw_data *ha = vha->hw;
1248         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1249
1250         ret = QLA_SUCCESS;
1251
1252         /* Enable flash write. */
1253         WRT_REG_DWORD(&reg->ctrl_status,
1254             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1255         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1256
1257         /* Disable NVRAM write-protection. */
1258         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1259         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1260
1261         /* Dword writes to flash. */
1262         dwptr = (uint32_t *)buf;
1263         for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
1264                 ret = qla24xx_write_flash_dword(ha,
1265                     nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
1266                 if (ret != QLA_SUCCESS) {
1267                         DEBUG9(qla_printk(KERN_WARNING, ha,
1268                             "Unable to program nvram address=%x data=%x.\n",
1269                             naddr, *dwptr));
1270                         break;
1271                 }
1272         }
1273
1274         /* Enable NVRAM write-protection. */
1275         qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1276
1277         /* Disable flash write. */
1278         WRT_REG_DWORD(&reg->ctrl_status,
1279             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1280         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1281
1282         return ret;
1283 }
1284
1285 uint8_t *
1286 qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1287     uint32_t bytes)
1288 {
1289         uint32_t i;
1290         uint32_t *dwptr;
1291         struct qla_hw_data *ha = vha->hw;
1292
1293         /* Dword reads to flash. */
1294         dwptr = (uint32_t *)buf;
1295         for (i = 0; i < bytes >> 2; i++, naddr++)
1296                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1297                     flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
1298
1299         return buf;
1300 }
1301
1302 int
1303 qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1304     uint32_t bytes)
1305 {
1306         struct qla_hw_data *ha = vha->hw;
1307 #define RMW_BUFFER_SIZE (64 * 1024)
1308         uint8_t *dbuf;
1309
1310         dbuf = vmalloc(RMW_BUFFER_SIZE);
1311         if (!dbuf)
1312                 return QLA_MEMORY_ALLOC_FAILED;
1313         ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1314             RMW_BUFFER_SIZE);
1315         memcpy(dbuf + (naddr << 2), buf, bytes);
1316         ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1317             RMW_BUFFER_SIZE);
1318         vfree(dbuf);
1319
1320         return QLA_SUCCESS;
1321 }
1322
1323 static inline void
1324 qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1325 {
1326         if (IS_QLA2322(ha)) {
1327                 /* Flip all colors. */
1328                 if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1329                         /* Turn off. */
1330                         ha->beacon_color_state = 0;
1331                         *pflags = GPIO_LED_ALL_OFF;
1332                 } else {
1333                         /* Turn on. */
1334                         ha->beacon_color_state = QLA_LED_ALL_ON;
1335                         *pflags = GPIO_LED_RGA_ON;
1336                 }
1337         } else {
1338                 /* Flip green led only. */
1339                 if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1340                         /* Turn off. */
1341                         ha->beacon_color_state = 0;
1342                         *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1343                 } else {
1344                         /* Turn on. */
1345                         ha->beacon_color_state = QLA_LED_GRN_ON;
1346                         *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1347                 }
1348         }
1349 }
1350
1351 #define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1352
1353 void
1354 qla2x00_beacon_blink(struct scsi_qla_host *vha)
1355 {
1356         uint16_t gpio_enable;
1357         uint16_t gpio_data;
1358         uint16_t led_color = 0;
1359         unsigned long flags;
1360         struct qla_hw_data *ha = vha->hw;
1361         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1362
1363         spin_lock_irqsave(&ha->hardware_lock, flags);
1364
1365         /* Save the Original GPIOE. */
1366         if (ha->pio_address) {
1367                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1368                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1369         } else {
1370                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1371                 gpio_data = RD_REG_WORD(&reg->gpiod);
1372         }
1373
1374         /* Set the modified gpio_enable values */
1375         gpio_enable |= GPIO_LED_MASK;
1376
1377         if (ha->pio_address) {
1378                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1379         } else {
1380                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1381                 RD_REG_WORD(&reg->gpioe);
1382         }
1383
1384         qla2x00_flip_colors(ha, &led_color);
1385
1386         /* Clear out any previously set LED color. */
1387         gpio_data &= ~GPIO_LED_MASK;
1388
1389         /* Set the new input LED color to GPIOD. */
1390         gpio_data |= led_color;
1391
1392         /* Set the modified gpio_data values */
1393         if (ha->pio_address) {
1394                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1395         } else {
1396                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1397                 RD_REG_WORD(&reg->gpiod);
1398         }
1399
1400         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1401 }
1402
1403 int
1404 qla2x00_beacon_on(struct scsi_qla_host *vha)
1405 {
1406         uint16_t gpio_enable;
1407         uint16_t gpio_data;
1408         unsigned long flags;
1409         struct qla_hw_data *ha = vha->hw;
1410         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1411
1412         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1413         ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1414
1415         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1416                 qla_printk(KERN_WARNING, ha,
1417                     "Unable to update fw options (beacon on).\n");
1418                 return QLA_FUNCTION_FAILED;
1419         }
1420
1421         /* Turn off LEDs. */
1422         spin_lock_irqsave(&ha->hardware_lock, flags);
1423         if (ha->pio_address) {
1424                 gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1425                 gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1426         } else {
1427                 gpio_enable = RD_REG_WORD(&reg->gpioe);
1428                 gpio_data = RD_REG_WORD(&reg->gpiod);
1429         }
1430         gpio_enable |= GPIO_LED_MASK;
1431
1432         /* Set the modified gpio_enable values. */
1433         if (ha->pio_address) {
1434                 WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1435         } else {
1436                 WRT_REG_WORD(&reg->gpioe, gpio_enable);
1437                 RD_REG_WORD(&reg->gpioe);
1438         }
1439
1440         /* Clear out previously set LED colour. */
1441         gpio_data &= ~GPIO_LED_MASK;
1442         if (ha->pio_address) {
1443                 WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1444         } else {
1445                 WRT_REG_WORD(&reg->gpiod, gpio_data);
1446                 RD_REG_WORD(&reg->gpiod);
1447         }
1448         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1449
1450         /*
1451          * Let the per HBA timer kick off the blinking process based on
1452          * the following flags. No need to do anything else now.
1453          */
1454         ha->beacon_blink_led = 1;
1455         ha->beacon_color_state = 0;
1456
1457         return QLA_SUCCESS;
1458 }
1459
1460 int
1461 qla2x00_beacon_off(struct scsi_qla_host *vha)
1462 {
1463         int rval = QLA_SUCCESS;
1464         struct qla_hw_data *ha = vha->hw;
1465
1466         ha->beacon_blink_led = 0;
1467
1468         /* Set the on flag so when it gets flipped it will be off. */
1469         if (IS_QLA2322(ha))
1470                 ha->beacon_color_state = QLA_LED_ALL_ON;
1471         else
1472                 ha->beacon_color_state = QLA_LED_GRN_ON;
1473
1474         ha->isp_ops->beacon_blink(vha); /* This turns green LED off */
1475
1476         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1477         ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1478
1479         rval = qla2x00_set_fw_options(vha, ha->fw_options);
1480         if (rval != QLA_SUCCESS)
1481                 qla_printk(KERN_WARNING, ha,
1482                     "Unable to update fw options (beacon off).\n");
1483         return rval;
1484 }
1485
1486
1487 static inline void
1488 qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1489 {
1490         /* Flip all colors. */
1491         if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1492                 /* Turn off. */
1493                 ha->beacon_color_state = 0;
1494                 *pflags = 0;
1495         } else {
1496                 /* Turn on. */
1497                 ha->beacon_color_state = QLA_LED_ALL_ON;
1498                 *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1499         }
1500 }
1501
1502 void
1503 qla24xx_beacon_blink(struct scsi_qla_host *vha)
1504 {
1505         uint16_t led_color = 0;
1506         uint32_t gpio_data;
1507         unsigned long flags;
1508         struct qla_hw_data *ha = vha->hw;
1509         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1510
1511         /* Save the Original GPIOD. */
1512         spin_lock_irqsave(&ha->hardware_lock, flags);
1513         gpio_data = RD_REG_DWORD(&reg->gpiod);
1514
1515         /* Enable the gpio_data reg for update. */
1516         gpio_data |= GPDX_LED_UPDATE_MASK;
1517
1518         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1519         gpio_data = RD_REG_DWORD(&reg->gpiod);
1520
1521         /* Set the color bits. */
1522         qla24xx_flip_colors(ha, &led_color);
1523
1524         /* Clear out any previously set LED color. */
1525         gpio_data &= ~GPDX_LED_COLOR_MASK;
1526
1527         /* Set the new input LED color to GPIOD. */
1528         gpio_data |= led_color;
1529
1530         /* Set the modified gpio_data values. */
1531         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1532         gpio_data = RD_REG_DWORD(&reg->gpiod);
1533         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1534 }
1535
1536 int
1537 qla24xx_beacon_on(struct scsi_qla_host *vha)
1538 {
1539         uint32_t gpio_data;
1540         unsigned long flags;
1541         struct qla_hw_data *ha = vha->hw;
1542         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1543
1544         if (ha->beacon_blink_led == 0) {
1545                 /* Enable firmware for update */
1546                 ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1547
1548                 if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1549                         return QLA_FUNCTION_FAILED;
1550
1551                 if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1552                     QLA_SUCCESS) {
1553                         qla_printk(KERN_WARNING, ha,
1554                             "Unable to update fw options (beacon on).\n");
1555                         return QLA_FUNCTION_FAILED;
1556                 }
1557
1558                 spin_lock_irqsave(&ha->hardware_lock, flags);
1559                 gpio_data = RD_REG_DWORD(&reg->gpiod);
1560
1561                 /* Enable the gpio_data reg for update. */
1562                 gpio_data |= GPDX_LED_UPDATE_MASK;
1563                 WRT_REG_DWORD(&reg->gpiod, gpio_data);
1564                 RD_REG_DWORD(&reg->gpiod);
1565
1566                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1567         }
1568
1569         /* So all colors blink together. */
1570         ha->beacon_color_state = 0;
1571
1572         /* Let the per HBA timer kick off the blinking process. */
1573         ha->beacon_blink_led = 1;
1574
1575         return QLA_SUCCESS;
1576 }
1577
1578 int
1579 qla24xx_beacon_off(struct scsi_qla_host *vha)
1580 {
1581         uint32_t gpio_data;
1582         unsigned long flags;
1583         struct qla_hw_data *ha = vha->hw;
1584         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1585
1586         ha->beacon_blink_led = 0;
1587         ha->beacon_color_state = QLA_LED_ALL_ON;
1588
1589         ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */
1590
1591         /* Give control back to firmware. */
1592         spin_lock_irqsave(&ha->hardware_lock, flags);
1593         gpio_data = RD_REG_DWORD(&reg->gpiod);
1594
1595         /* Disable the gpio_data reg for update. */
1596         gpio_data &= ~GPDX_LED_UPDATE_MASK;
1597         WRT_REG_DWORD(&reg->gpiod, gpio_data);
1598         RD_REG_DWORD(&reg->gpiod);
1599         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1600
1601         ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1602
1603         if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1604                 qla_printk(KERN_WARNING, ha,
1605                     "Unable to update fw options (beacon off).\n");
1606                 return QLA_FUNCTION_FAILED;
1607         }
1608
1609         if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1610                 qla_printk(KERN_WARNING, ha,
1611                     "Unable to get fw options (beacon off).\n");
1612                 return QLA_FUNCTION_FAILED;
1613         }
1614
1615         return QLA_SUCCESS;
1616 }
1617
1618
1619 /*
1620  * Flash support routines
1621  */
1622
1623 /**
1624  * qla2x00_flash_enable() - Setup flash for reading and writing.
1625  * @ha: HA context
1626  */
1627 static void
1628 qla2x00_flash_enable(struct qla_hw_data *ha)
1629 {
1630         uint16_t data;
1631         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1632
1633         data = RD_REG_WORD(&reg->ctrl_status);
1634         data |= CSR_FLASH_ENABLE;
1635         WRT_REG_WORD(&reg->ctrl_status, data);
1636         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1637 }
1638
1639 /**
1640  * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1641  * @ha: HA context
1642  */
1643 static void
1644 qla2x00_flash_disable(struct qla_hw_data *ha)
1645 {
1646         uint16_t data;
1647         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1648
1649         data = RD_REG_WORD(&reg->ctrl_status);
1650         data &= ~(CSR_FLASH_ENABLE);
1651         WRT_REG_WORD(&reg->ctrl_status, data);
1652         RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1653 }
1654
1655 /**
1656  * qla2x00_read_flash_byte() - Reads a byte from flash
1657  * @ha: HA context
1658  * @addr: Address in flash to read
1659  *
1660  * A word is read from the chip, but, only the lower byte is valid.
1661  *
1662  * Returns the byte read from flash @addr.
1663  */
1664 static uint8_t
1665 qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
1666 {
1667         uint16_t data;
1668         uint16_t bank_select;
1669         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1670
1671         bank_select = RD_REG_WORD(&reg->ctrl_status);
1672
1673         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1674                 /* Specify 64K address range: */
1675                 /*  clear out Module Select and Flash Address bits [19:16]. */
1676                 bank_select &= ~0xf8;
1677                 bank_select |= addr >> 12 & 0xf0;
1678                 bank_select |= CSR_FLASH_64K_BANK;
1679                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1680                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1681
1682                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1683                 data = RD_REG_WORD(&reg->flash_data);
1684
1685                 return (uint8_t)data;
1686         }
1687
1688         /* Setup bit 16 of flash address. */
1689         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1690                 bank_select |= CSR_FLASH_64K_BANK;
1691                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1692                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1693         } else if (((addr & BIT_16) == 0) &&
1694             (bank_select & CSR_FLASH_64K_BANK)) {
1695                 bank_select &= ~(CSR_FLASH_64K_BANK);
1696                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1697                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1698         }
1699
1700         /* Always perform IO mapped accesses to the FLASH registers. */
1701         if (ha->pio_address) {
1702                 uint16_t data2;
1703
1704                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1705                 do {
1706                         data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1707                         barrier();
1708                         cpu_relax();
1709                         data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1710                 } while (data != data2);
1711         } else {
1712                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1713                 data = qla2x00_debounce_register(&reg->flash_data);
1714         }
1715
1716         return (uint8_t)data;
1717 }
1718
1719 /**
1720  * qla2x00_write_flash_byte() - Write a byte to flash
1721  * @ha: HA context
1722  * @addr: Address in flash to write
1723  * @data: Data to write
1724  */
1725 static void
1726 qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
1727 {
1728         uint16_t bank_select;
1729         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1730
1731         bank_select = RD_REG_WORD(&reg->ctrl_status);
1732         if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1733                 /* Specify 64K address range: */
1734                 /*  clear out Module Select and Flash Address bits [19:16]. */
1735                 bank_select &= ~0xf8;
1736                 bank_select |= addr >> 12 & 0xf0;
1737                 bank_select |= CSR_FLASH_64K_BANK;
1738                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1739                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1740
1741                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1742                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1743                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1744                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1745
1746                 return;
1747         }
1748
1749         /* Setup bit 16 of flash address. */
1750         if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1751                 bank_select |= CSR_FLASH_64K_BANK;
1752                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1753                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1754         } else if (((addr & BIT_16) == 0) &&
1755             (bank_select & CSR_FLASH_64K_BANK)) {
1756                 bank_select &= ~(CSR_FLASH_64K_BANK);
1757                 WRT_REG_WORD(&reg->ctrl_status, bank_select);
1758                 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1759         }
1760
1761         /* Always perform IO mapped accesses to the FLASH registers. */
1762         if (ha->pio_address) {
1763                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1764                 WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
1765         } else {
1766                 WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1767                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1768                 WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1769                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1770         }
1771 }
1772
1773 /**
1774  * qla2x00_poll_flash() - Polls flash for completion.
1775  * @ha: HA context
1776  * @addr: Address in flash to poll
1777  * @poll_data: Data to be polled
1778  * @man_id: Flash manufacturer ID
1779  * @flash_id: Flash ID
1780  *
1781  * This function polls the device until bit 7 of what is read matches data
1782  * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
1783  * out (a fatal error).  The flash book recommeds reading bit 7 again after
1784  * reading bit 5 as a 1.
1785  *
1786  * Returns 0 on success, else non-zero.
1787  */
1788 static int
1789 qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
1790     uint8_t man_id, uint8_t flash_id)
1791 {
1792         int status;
1793         uint8_t flash_data;
1794         uint32_t cnt;
1795
1796         status = 1;
1797
1798         /* Wait for 30 seconds for command to finish. */
1799         poll_data &= BIT_7;
1800         for (cnt = 3000000; cnt; cnt--) {
1801                 flash_data = qla2x00_read_flash_byte(ha, addr);
1802                 if ((flash_data & BIT_7) == poll_data) {
1803                         status = 0;
1804                         break;
1805                 }
1806
1807                 if (man_id != 0x40 && man_id != 0xda) {
1808                         if ((flash_data & BIT_5) && cnt > 2)
1809                                 cnt = 2;
1810                 }
1811                 udelay(10);
1812                 barrier();
1813                 cond_resched();
1814         }
1815         return status;
1816 }
1817
1818 /**
1819  * qla2x00_program_flash_address() - Programs a flash address
1820  * @ha: HA context
1821  * @addr: Address in flash to program
1822  * @data: Data to be written in flash
1823  * @man_id: Flash manufacturer ID
1824  * @flash_id: Flash ID
1825  *
1826  * Returns 0 on success, else non-zero.
1827  */
1828 static int
1829 qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
1830     uint8_t data, uint8_t man_id, uint8_t flash_id)
1831 {
1832         /* Write Program Command Sequence. */
1833         if (IS_OEM_001(ha)) {
1834                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1835                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1836                 qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
1837                 qla2x00_write_flash_byte(ha, addr, data);
1838         } else {
1839                 if (man_id == 0xda && flash_id == 0xc1) {
1840                         qla2x00_write_flash_byte(ha, addr, data);
1841                         if (addr & 0x7e)
1842                                 return 0;
1843                 } else {
1844                         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1845                         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1846                         qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
1847                         qla2x00_write_flash_byte(ha, addr, data);
1848                 }
1849         }
1850
1851         udelay(150);
1852
1853         /* Wait for write to complete. */
1854         return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
1855 }
1856
1857 /**
1858  * qla2x00_erase_flash() - Erase the flash.
1859  * @ha: HA context
1860  * @man_id: Flash manufacturer ID
1861  * @flash_id: Flash ID
1862  *
1863  * Returns 0 on success, else non-zero.
1864  */
1865 static int
1866 qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
1867 {
1868         /* Individual Sector Erase Command Sequence */
1869         if (IS_OEM_001(ha)) {
1870                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1871                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1872                 qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
1873                 qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1874                 qla2x00_write_flash_byte(ha, 0x555, 0x55);
1875                 qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
1876         } else {
1877                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1878                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1879                 qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1880                 qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1881                 qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1882                 qla2x00_write_flash_byte(ha, 0x5555, 0x10);
1883         }
1884
1885         udelay(150);
1886
1887         /* Wait for erase to complete. */
1888         return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
1889 }
1890
1891 /**
1892  * qla2x00_erase_flash_sector() - Erase a flash sector.
1893  * @ha: HA context
1894  * @addr: Flash sector to erase
1895  * @sec_mask: Sector address mask
1896  * @man_id: Flash manufacturer ID
1897  * @flash_id: Flash ID
1898  *
1899  * Returns 0 on success, else non-zero.
1900  */
1901 static int
1902 qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
1903     uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
1904 {
1905         /* Individual Sector Erase Command Sequence */
1906         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1907         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1908         qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1909         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1910         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1911         if (man_id == 0x1f && flash_id == 0x13)
1912                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
1913         else
1914                 qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
1915
1916         udelay(150);
1917
1918         /* Wait for erase to complete. */
1919         return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
1920 }
1921
1922 /**
1923  * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
1924  * @man_id: Flash manufacturer ID
1925  * @flash_id: Flash ID
1926  */
1927 static void
1928 qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
1929     uint8_t *flash_id)
1930 {
1931         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1932         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1933         qla2x00_write_flash_byte(ha, 0x5555, 0x90);
1934         *man_id = qla2x00_read_flash_byte(ha, 0x0000);
1935         *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
1936         qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1937         qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1938         qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
1939 }
1940
1941 static void
1942 qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
1943         uint32_t saddr, uint32_t length)
1944 {
1945         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1946         uint32_t midpoint, ilength;
1947         uint8_t data;
1948
1949         midpoint = length / 2;
1950
1951         WRT_REG_WORD(&reg->nvram, 0);
1952         RD_REG_WORD(&reg->nvram);
1953         for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
1954                 if (ilength == midpoint) {
1955                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
1956                         RD_REG_WORD(&reg->nvram);
1957                 }
1958                 data = qla2x00_read_flash_byte(ha, saddr);
1959                 if (saddr % 100)
1960                         udelay(10);
1961                 *tmp_buf = data;
1962                 cond_resched();
1963         }
1964 }
1965
1966 static inline void
1967 qla2x00_suspend_hba(struct scsi_qla_host *vha)
1968 {
1969         int cnt;
1970         unsigned long flags;
1971         struct qla_hw_data *ha = vha->hw;
1972         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1973
1974         /* Suspend HBA. */
1975         scsi_block_requests(vha->host);
1976         ha->isp_ops->disable_intrs(ha);
1977         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1978
1979         /* Pause RISC. */
1980         spin_lock_irqsave(&ha->hardware_lock, flags);
1981         WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1982         RD_REG_WORD(&reg->hccr);
1983         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1984                 for (cnt = 0; cnt < 30000; cnt++) {
1985                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1986                                 break;
1987                         udelay(100);
1988                 }
1989         } else {
1990                 udelay(10);
1991         }
1992         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1993 }
1994
1995 static inline void
1996 qla2x00_resume_hba(struct scsi_qla_host *vha)
1997 {
1998         struct qla_hw_data *ha = vha->hw;
1999
2000         /* Resume HBA. */
2001         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2002         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2003         qla2xxx_wake_dpc(vha);
2004         qla2x00_wait_for_chip_reset(vha);
2005         scsi_unblock_requests(vha->host);
2006 }
2007
2008 uint8_t *
2009 qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2010     uint32_t offset, uint32_t length)
2011 {
2012         uint32_t addr, midpoint;
2013         uint8_t *data;
2014         struct qla_hw_data *ha = vha->hw;
2015         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2016
2017         /* Suspend HBA. */
2018         qla2x00_suspend_hba(vha);
2019
2020         /* Go with read. */
2021         midpoint = ha->optrom_size / 2;
2022
2023         qla2x00_flash_enable(ha);
2024         WRT_REG_WORD(&reg->nvram, 0);
2025         RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
2026         for (addr = offset, data = buf; addr < length; addr++, data++) {
2027                 if (addr == midpoint) {
2028                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2029                         RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
2030                 }
2031
2032                 *data = qla2x00_read_flash_byte(ha, addr);
2033         }
2034         qla2x00_flash_disable(ha);
2035
2036         /* Resume HBA. */
2037         qla2x00_resume_hba(vha);
2038
2039         return buf;
2040 }
2041
2042 int
2043 qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2044     uint32_t offset, uint32_t length)
2045 {
2046
2047         int rval;
2048         uint8_t man_id, flash_id, sec_number, data;
2049         uint16_t wd;
2050         uint32_t addr, liter, sec_mask, rest_addr;
2051         struct qla_hw_data *ha = vha->hw;
2052         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2053
2054         /* Suspend HBA. */
2055         qla2x00_suspend_hba(vha);
2056
2057         rval = QLA_SUCCESS;
2058         sec_number = 0;
2059
2060         /* Reset ISP chip. */
2061         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2062         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2063
2064         /* Go with write. */
2065         qla2x00_flash_enable(ha);
2066         do {    /* Loop once to provide quick error exit */
2067                 /* Structure of flash memory based on manufacturer */
2068                 if (IS_OEM_001(ha)) {
2069                         /* OEM variant with special flash part. */
2070                         man_id = flash_id = 0;
2071                         rest_addr = 0xffff;
2072                         sec_mask   = 0x10000;
2073                         goto update_flash;
2074                 }
2075                 qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2076                 switch (man_id) {
2077                 case 0x20: /* ST flash. */
2078                         if (flash_id == 0xd2 || flash_id == 0xe3) {
2079                                 /*
2080                                  * ST m29w008at part - 64kb sector size with
2081                                  * 32kb,8kb,8kb,16kb sectors at memory address
2082                                  * 0xf0000.
2083                                  */
2084                                 rest_addr = 0xffff;
2085                                 sec_mask = 0x10000;
2086                                 break;
2087                         }
2088                         /*
2089                          * ST m29w010b part - 16kb sector size
2090                          * Default to 16kb sectors
2091                          */
2092                         rest_addr = 0x3fff;
2093                         sec_mask = 0x1c000;
2094                         break;
2095                 case 0x40: /* Mostel flash. */
2096                         /* Mostel v29c51001 part - 512 byte sector size. */
2097                         rest_addr = 0x1ff;
2098                         sec_mask = 0x1fe00;
2099                         break;
2100                 case 0xbf: /* SST flash. */
2101                         /* SST39sf10 part - 4kb sector size. */
2102                         rest_addr = 0xfff;
2103                         sec_mask = 0x1f000;
2104                         break;
2105                 case 0xda: /* Winbond flash. */
2106                         /* Winbond W29EE011 part - 256 byte sector size. */
2107                         rest_addr = 0x7f;
2108                         sec_mask = 0x1ff80;
2109                         break;
2110                 case 0xc2: /* Macronix flash. */
2111                         /* 64k sector size. */
2112                         if (flash_id == 0x38 || flash_id == 0x4f) {
2113                                 rest_addr = 0xffff;
2114                                 sec_mask = 0x10000;
2115                                 break;
2116                         }
2117                         /* Fall through... */
2118
2119                 case 0x1f: /* Atmel flash. */
2120                         /* 512k sector size. */
2121                         if (flash_id == 0x13) {
2122                                 rest_addr = 0x7fffffff;
2123                                 sec_mask =   0x80000000;
2124                                 break;
2125                         }
2126                         /* Fall through... */
2127
2128                 case 0x01: /* AMD flash. */
2129                         if (flash_id == 0x38 || flash_id == 0x40 ||
2130                             flash_id == 0x4f) {
2131                                 /* Am29LV081 part - 64kb sector size. */
2132                                 /* Am29LV002BT part - 64kb sector size. */
2133                                 rest_addr = 0xffff;
2134                                 sec_mask = 0x10000;
2135                                 break;
2136                         } else if (flash_id == 0x3e) {
2137                                 /*
2138                                  * Am29LV008b part - 64kb sector size with
2139                                  * 32kb,8kb,8kb,16kb sector at memory address
2140                                  * h0xf0000.
2141                                  */
2142                                 rest_addr = 0xffff;
2143                                 sec_mask = 0x10000;
2144                                 break;
2145                         } else if (flash_id == 0x20 || flash_id == 0x6e) {
2146                                 /*
2147                                  * Am29LV010 part or AM29f010 - 16kb sector
2148                                  * size.
2149                                  */
2150                                 rest_addr = 0x3fff;
2151                                 sec_mask = 0x1c000;
2152                                 break;
2153                         } else if (flash_id == 0x6d) {
2154                                 /* Am29LV001 part - 8kb sector size. */
2155                                 rest_addr = 0x1fff;
2156                                 sec_mask = 0x1e000;
2157                                 break;
2158                         }
2159                 default:
2160                         /* Default to 16 kb sector size. */
2161                         rest_addr = 0x3fff;
2162                         sec_mask = 0x1c000;
2163                         break;
2164                 }
2165
2166 update_flash:
2167                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2168                         if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2169                                 rval = QLA_FUNCTION_FAILED;
2170                                 break;
2171                         }
2172                 }
2173
2174                 for (addr = offset, liter = 0; liter < length; liter++,
2175                     addr++) {
2176                         data = buf[liter];
2177                         /* Are we at the beginning of a sector? */
2178                         if ((addr & rest_addr) == 0) {
2179                                 if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2180                                         if (addr >= 0x10000UL) {
2181                                                 if (((addr >> 12) & 0xf0) &&
2182                                                     ((man_id == 0x01 &&
2183                                                         flash_id == 0x3e) ||
2184                                                      (man_id == 0x20 &&
2185                                                          flash_id == 0xd2))) {
2186                                                         sec_number++;
2187                                                         if (sec_number == 1) {
2188                                                                 rest_addr =
2189                                                                     0x7fff;
2190                                                                 sec_mask =
2191                                                                     0x18000;
2192                                                         } else if (
2193                                                             sec_number == 2 ||
2194                                                             sec_number == 3) {
2195                                                                 rest_addr =
2196                                                                     0x1fff;
2197                                                                 sec_mask =
2198                                                                     0x1e000;
2199                                                         } else if (
2200                                                             sec_number == 4) {
2201                                                                 rest_addr =
2202                                                                     0x3fff;
2203                                                                 sec_mask =
2204                                                                     0x1c000;
2205                                                         }
2206                                                 }
2207                                         }
2208                                 } else if (addr == ha->optrom_size / 2) {
2209                                         WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2210                                         RD_REG_WORD(&reg->nvram);
2211                                 }
2212
2213                                 if (flash_id == 0xda && man_id == 0xc1) {
2214                                         qla2x00_write_flash_byte(ha, 0x5555,
2215                                             0xaa);
2216                                         qla2x00_write_flash_byte(ha, 0x2aaa,
2217                                             0x55);
2218                                         qla2x00_write_flash_byte(ha, 0x5555,
2219                                             0xa0);
2220                                 } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2221                                         /* Then erase it */
2222                                         if (qla2x00_erase_flash_sector(ha,
2223                                             addr, sec_mask, man_id,
2224                                             flash_id)) {
2225                                                 rval = QLA_FUNCTION_FAILED;
2226                                                 break;
2227                                         }
2228                                         if (man_id == 0x01 && flash_id == 0x6d)
2229                                                 sec_number++;
2230                                 }
2231                         }
2232
2233                         if (man_id == 0x01 && flash_id == 0x6d) {
2234                                 if (sec_number == 1 &&
2235                                     addr == (rest_addr - 1)) {
2236                                         rest_addr = 0x0fff;
2237                                         sec_mask   = 0x1f000;
2238                                 } else if (sec_number == 3 && (addr & 0x7ffe)) {
2239                                         rest_addr = 0x3fff;
2240                                         sec_mask   = 0x1c000;
2241                                 }
2242                         }
2243
2244                         if (qla2x00_program_flash_address(ha, addr, data,
2245                             man_id, flash_id)) {
2246                                 rval = QLA_FUNCTION_FAILED;
2247                                 break;
2248                         }
2249                         cond_resched();
2250                 }
2251         } while (0);
2252         qla2x00_flash_disable(ha);
2253
2254         /* Resume HBA. */
2255         qla2x00_resume_hba(vha);
2256
2257         return rval;
2258 }
2259
2260 uint8_t *
2261 qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2262     uint32_t offset, uint32_t length)
2263 {
2264         struct qla_hw_data *ha = vha->hw;
2265
2266         /* Suspend HBA. */
2267         scsi_block_requests(vha->host);
2268         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2269
2270         /* Go with read. */
2271         qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
2272
2273         /* Resume HBA. */
2274         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2275         scsi_unblock_requests(vha->host);
2276
2277         return buf;
2278 }
2279
2280 int
2281 qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2282     uint32_t offset, uint32_t length)
2283 {
2284         int rval;
2285         struct qla_hw_data *ha = vha->hw;
2286
2287         /* Suspend HBA. */
2288         scsi_block_requests(vha->host);
2289         set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2290
2291         /* Go with write. */
2292         rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
2293             length >> 2);
2294
2295         clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2296         scsi_unblock_requests(vha->host);
2297
2298         return rval;
2299 }
2300
2301 uint8_t *
2302 qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2303     uint32_t offset, uint32_t length)
2304 {
2305         int rval;
2306         dma_addr_t optrom_dma;
2307         void *optrom;
2308         uint8_t *pbuf;
2309         uint32_t faddr, left, burst;
2310         struct qla_hw_data *ha = vha->hw;
2311
2312         if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
2313                 goto try_fast;
2314         if (offset & 0xfff)
2315                 goto slow_read;
2316         if (length < OPTROM_BURST_SIZE)
2317                 goto slow_read;
2318
2319 try_fast:
2320         optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2321             &optrom_dma, GFP_KERNEL);
2322         if (!optrom) {
2323                 qla_printk(KERN_DEBUG, ha,
2324                     "Unable to allocate memory for optrom burst read "
2325                     "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
2326
2327                 goto slow_read;
2328         }
2329
2330         pbuf = buf;
2331         faddr = offset >> 2;
2332         left = length >> 2;
2333         burst = OPTROM_BURST_DWORDS;
2334         while (left != 0) {
2335                 if (burst > left)
2336                         burst = left;
2337
2338                 rval = qla2x00_dump_ram(vha, optrom_dma,
2339                     flash_data_addr(ha, faddr), burst);
2340                 if (rval) {
2341                         qla_printk(KERN_WARNING, ha,
2342                             "Unable to burst-read optrom segment "
2343                             "(%x/%x/%llx).\n", rval,
2344                             flash_data_addr(ha, faddr),
2345                             (unsigned long long)optrom_dma);
2346                         qla_printk(KERN_WARNING, ha,
2347                             "Reverting to slow-read.\n");
2348
2349                         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2350                             optrom, optrom_dma);
2351                         goto slow_read;
2352                 }
2353
2354                 memcpy(pbuf, optrom, burst * 4);
2355
2356                 left -= burst;
2357                 faddr += burst;
2358                 pbuf += burst * 4;
2359         }
2360
2361         dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
2362             optrom_dma);
2363
2364         return buf;
2365
2366 slow_read:
2367     return qla24xx_read_optrom_data(vha, buf, offset, length);
2368 }
2369
2370 /**
2371  * qla2x00_get_fcode_version() - Determine an FCODE image's version.
2372  * @ha: HA context
2373  * @pcids: Pointer to the FCODE PCI data structure
2374  *
2375  * The process of retrieving the FCODE version information is at best
2376  * described as interesting.
2377  *
2378  * Within the first 100h bytes of the image an ASCII string is present
2379  * which contains several pieces of information including the FCODE
2380  * version.  Unfortunately it seems the only reliable way to retrieve
2381  * the version is by scanning for another sentinel within the string,
2382  * the FCODE build date:
2383  *
2384  *      ... 2.00.02 10/17/02 ...
2385  *
2386  * Returns QLA_SUCCESS on successful retrieval of version.
2387  */
2388 static void
2389 qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
2390 {
2391         int ret = QLA_FUNCTION_FAILED;
2392         uint32_t istart, iend, iter, vend;
2393         uint8_t do_next, rbyte, *vbyte;
2394
2395         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2396
2397         /* Skip the PCI data structure. */
2398         istart = pcids +
2399             ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2400                 qla2x00_read_flash_byte(ha, pcids + 0x0A));
2401         iend = istart + 0x100;
2402         do {
2403                 /* Scan for the sentinel date string...eeewww. */
2404                 do_next = 0;
2405                 iter = istart;
2406                 while ((iter < iend) && !do_next) {
2407                         iter++;
2408                         if (qla2x00_read_flash_byte(ha, iter) == '/') {
2409                                 if (qla2x00_read_flash_byte(ha, iter + 2) ==
2410                                     '/')
2411                                         do_next++;
2412                                 else if (qla2x00_read_flash_byte(ha,
2413                                     iter + 3) == '/')
2414                                         do_next++;
2415                         }
2416                 }
2417                 if (!do_next)
2418                         break;
2419
2420                 /* Backtrack to previous ' ' (space). */
2421                 do_next = 0;
2422                 while ((iter > istart) && !do_next) {
2423                         iter--;
2424                         if (qla2x00_read_flash_byte(ha, iter) == ' ')
2425                                 do_next++;
2426                 }
2427                 if (!do_next)
2428                         break;
2429
2430                 /*
2431                  * Mark end of version tag, and find previous ' ' (space) or
2432                  * string length (recent FCODE images -- major hack ahead!!!).
2433                  */
2434                 vend = iter - 1;
2435                 do_next = 0;
2436                 while ((iter > istart) && !do_next) {
2437                         iter--;
2438                         rbyte = qla2x00_read_flash_byte(ha, iter);
2439                         if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2440                                 do_next++;
2441                 }
2442                 if (!do_next)
2443                         break;
2444
2445                 /* Mark beginning of version tag, and copy data. */
2446                 iter++;
2447                 if ((vend - iter) &&
2448                     ((vend - iter) < sizeof(ha->fcode_revision))) {
2449                         vbyte = ha->fcode_revision;
2450                         while (iter <= vend) {
2451                                 *vbyte++ = qla2x00_read_flash_byte(ha, iter);
2452                                 iter++;
2453                         }
2454                         ret = QLA_SUCCESS;
2455                 }
2456         } while (0);
2457
2458         if (ret != QLA_SUCCESS)
2459                 memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2460 }
2461
2462 int
2463 qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2464 {
2465         int ret = QLA_SUCCESS;
2466         uint8_t code_type, last_image;
2467         uint32_t pcihdr, pcids;
2468         uint8_t *dbyte;
2469         uint16_t *dcode;
2470         struct qla_hw_data *ha = vha->hw;
2471
2472         if (!ha->pio_address || !mbuf)
2473                 return QLA_FUNCTION_FAILED;
2474
2475         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2476         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2477         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2478         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2479
2480         qla2x00_flash_enable(ha);
2481
2482         /* Begin with first PCI expansion ROM header. */
2483         pcihdr = 0;
2484         last_image = 1;
2485         do {
2486                 /* Verify PCI expansion ROM header. */
2487                 if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2488                     qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2489                         /* No signature */
2490                         DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2491                             "signature.\n"));
2492                         ret = QLA_FUNCTION_FAILED;
2493                         break;
2494                 }
2495
2496                 /* Locate PCI data structure. */
2497                 pcids = pcihdr +
2498                     ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2499                         qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2500
2501                 /* Validate signature of PCI data structure. */
2502                 if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2503                     qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2504                     qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2505                     qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2506                         /* Incorrect header. */
2507                         DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2508                             "found pcir_adr=%x.\n", pcids));
2509                         ret = QLA_FUNCTION_FAILED;
2510                         break;
2511                 }
2512
2513                 /* Read version */
2514                 code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2515                 switch (code_type) {
2516                 case ROM_CODE_TYPE_BIOS:
2517                         /* Intel x86, PC-AT compatible. */
2518                         ha->bios_revision[0] =
2519                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2520                         ha->bios_revision[1] =
2521                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2522                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2523                             ha->bios_revision[1], ha->bios_revision[0]));
2524                         break;
2525                 case ROM_CODE_TYPE_FCODE:
2526                         /* Open Firmware standard for PCI (FCode). */
2527                         /* Eeeewww... */
2528                         qla2x00_get_fcode_version(ha, pcids);
2529                         break;
2530                 case ROM_CODE_TYPE_EFI:
2531                         /* Extensible Firmware Interface (EFI). */
2532                         ha->efi_revision[0] =
2533                             qla2x00_read_flash_byte(ha, pcids + 0x12);
2534                         ha->efi_revision[1] =
2535                             qla2x00_read_flash_byte(ha, pcids + 0x13);
2536                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2537                             ha->efi_revision[1], ha->efi_revision[0]));
2538                         break;
2539                 default:
2540                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2541                             "type %x at pcids %x.\n", code_type, pcids));
2542                         break;
2543                 }
2544
2545                 last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2546
2547                 /* Locate next PCI expansion ROM. */
2548                 pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2549                     qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2550         } while (!last_image);
2551
2552         if (IS_QLA2322(ha)) {
2553                 /* Read firmware image information. */
2554                 memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2555                 dbyte = mbuf;
2556                 memset(dbyte, 0, 8);
2557                 dcode = (uint16_t *)dbyte;
2558
2559                 qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2560                     8);
2561                 DEBUG3(qla_printk(KERN_DEBUG, ha, "dumping fw ver from "
2562                     "flash:\n"));
2563                 DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
2564
2565                 if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2566                     dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2567                     (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2568                     dcode[3] == 0)) {
2569                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2570                             "revision at %x.\n", ha->flt_region_fw * 4));
2571                 } else {
2572                         /* values are in big endian */
2573                         ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2574                         ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2575                         ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2576                 }
2577         }
2578
2579         qla2x00_flash_disable(ha);
2580
2581         return ret;
2582 }
2583
2584 int
2585 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2586 {
2587         int ret = QLA_SUCCESS;
2588         uint32_t pcihdr, pcids;
2589         uint32_t *dcode;
2590         uint8_t *bcode;
2591         uint8_t code_type, last_image;
2592         int i;
2593         struct qla_hw_data *ha = vha->hw;
2594
2595         if (!mbuf)
2596                 return QLA_FUNCTION_FAILED;
2597
2598         memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2599         memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2600         memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2601         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2602
2603         dcode = mbuf;
2604
2605         /* Begin with first PCI expansion ROM header. */
2606         pcihdr = ha->flt_region_boot << 2;
2607         last_image = 1;
2608         do {
2609                 /* Verify PCI expansion ROM header. */
2610                 qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
2611                 bcode = mbuf + (pcihdr % 4);
2612                 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2613                         /* No signature */
2614                         DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2615                             "signature.\n"));
2616                         ret = QLA_FUNCTION_FAILED;
2617                         break;
2618                 }
2619
2620                 /* Locate PCI data structure. */
2621                 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2622
2623                 qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
2624                 bcode = mbuf + (pcihdr % 4);
2625
2626                 /* Validate signature of PCI data structure. */
2627                 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2628                     bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2629                         /* Incorrect header. */
2630                         DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2631                             "found pcir_adr=%x.\n", pcids));
2632                         ret = QLA_FUNCTION_FAILED;
2633                         break;
2634                 }
2635
2636                 /* Read version */
2637                 code_type = bcode[0x14];
2638                 switch (code_type) {
2639                 case ROM_CODE_TYPE_BIOS:
2640                         /* Intel x86, PC-AT compatible. */
2641                         ha->bios_revision[0] = bcode[0x12];
2642                         ha->bios_revision[1] = bcode[0x13];
2643                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2644                             ha->bios_revision[1], ha->bios_revision[0]));
2645                         break;
2646                 case ROM_CODE_TYPE_FCODE:
2647                         /* Open Firmware standard for PCI (FCode). */
2648                         ha->fcode_revision[0] = bcode[0x12];
2649                         ha->fcode_revision[1] = bcode[0x13];
2650                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read FCODE %d.%d.\n",
2651                             ha->fcode_revision[1], ha->fcode_revision[0]));
2652                         break;
2653                 case ROM_CODE_TYPE_EFI:
2654                         /* Extensible Firmware Interface (EFI). */
2655                         ha->efi_revision[0] = bcode[0x12];
2656                         ha->efi_revision[1] = bcode[0x13];
2657                         DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2658                             ha->efi_revision[1], ha->efi_revision[0]));
2659                         break;
2660                 default:
2661                         DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2662                             "type %x at pcids %x.\n", code_type, pcids));
2663                         break;
2664                 }
2665
2666                 last_image = bcode[0x15] & BIT_7;
2667
2668                 /* Locate next PCI expansion ROM. */
2669                 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2670         } while (!last_image);
2671
2672         /* Read firmware image information. */
2673         memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2674         dcode = mbuf;
2675
2676         qla24xx_read_flash_data(vha, dcode, ha->flt_region_fw + 4, 4);
2677         for (i = 0; i < 4; i++)
2678                 dcode[i] = be32_to_cpu(dcode[i]);
2679
2680         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
2681             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
2682             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2683             dcode[3] == 0)) {
2684                 DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2685                     "revision at %x.\n", ha->flt_region_fw * 4));
2686         } else {
2687                 ha->fw_revision[0] = dcode[0];
2688                 ha->fw_revision[1] = dcode[1];
2689                 ha->fw_revision[2] = dcode[2];
2690                 ha->fw_revision[3] = dcode[3];
2691         }
2692
2693         return ret;
2694 }
2695
2696 static int
2697 qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
2698 {
2699         if (pos >= end || *pos != 0x82)
2700                 return 0;
2701
2702         pos += 3 + pos[1];
2703         if (pos >= end || *pos != 0x90)
2704                 return 0;
2705
2706         pos += 3 + pos[1];
2707         if (pos >= end || *pos != 0x78)
2708                 return 0;
2709
2710         return 1;
2711 }
2712
2713 int
2714 qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
2715 {
2716         struct qla_hw_data *ha = vha->hw;
2717         uint8_t *pos = ha->vpd;
2718         uint8_t *end = pos + ha->vpd_size;
2719         int len = 0;
2720
2721         if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
2722                 return 0;
2723
2724         while (pos < end && *pos != 0x78) {
2725                 len = (*pos == 0x82) ? pos[1] : pos[2];
2726
2727                 if (!strncmp(pos, key, strlen(key)))
2728                         break;
2729
2730                 if (*pos != 0x90 && *pos != 0x91)
2731                         pos += len;
2732
2733                 pos += 3;
2734         }
2735
2736         if (pos < end - len && *pos != 0x78)
2737                 return snprintf(str, size, "%.*s", len, pos + 3);
2738
2739         return 0;
2740 }
2741
2742 int
2743 qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
2744 {
2745         int len, max_len;
2746         uint32_t fcp_prio_addr;
2747         struct qla_hw_data *ha = vha->hw;
2748
2749         if (!ha->fcp_prio_cfg) {
2750                 ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
2751                 if (!ha->fcp_prio_cfg) {
2752                         qla_printk(KERN_WARNING, ha,
2753                         "Unable to allocate memory for fcp priority data "
2754                                         "(%x).\n", FCP_PRIO_CFG_SIZE);
2755                         return QLA_FUNCTION_FAILED;
2756                 }
2757         }
2758         memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
2759
2760         fcp_prio_addr = ha->flt_region_fcp_prio;
2761
2762         /* first read the fcp priority data header from flash */
2763         ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
2764                         fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
2765
2766         if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 0))
2767                 goto fail;
2768
2769         /* read remaining FCP CMD config data from flash */
2770         fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
2771         len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
2772         max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
2773
2774         ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
2775                         fcp_prio_addr << 2, (len < max_len ? len : max_len));
2776
2777         /* revalidate the entire FCP priority config data, including entries */
2778         if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 1))
2779                 goto fail;
2780
2781         ha->flags.fcp_prio_enabled = 1;
2782         return QLA_SUCCESS;
2783 fail:
2784         vfree(ha->fcp_prio_cfg);
2785         ha->fcp_prio_cfg = NULL;
2786         return QLA_FUNCTION_FAILED;
2787 }