linux/drivers/scsi/qla2xxx/qla_sup.c
<<
>>
Prefs
   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2008 QLogic Corporation
   4 *
   5 * See LICENSE.qla2xxx for copyright and licensing details.
   6 */
   7#include "qla_def.h"
   8
   9#include <linux/delay.h>
  10#include <linux/vmalloc.h>
  11#include <asm/uaccess.h>
  12
  13/*
  14 * NVRAM support routines
  15 */
  16
  17/**
  18 * qla2x00_lock_nvram_access() -
  19 * @ha: HA context
  20 */
  21static void
  22qla2x00_lock_nvram_access(struct qla_hw_data *ha)
  23{
  24        uint16_t data;
  25        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  26
  27        if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  28                data = RD_REG_WORD(&reg->nvram);
  29                while (data & NVR_BUSY) {
  30                        udelay(100);
  31                        data = RD_REG_WORD(&reg->nvram);
  32                }
  33
  34                /* Lock resource */
  35                WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  36                RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  37                udelay(5);
  38                data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  39                while ((data & BIT_0) == 0) {
  40                        /* Lock failed */
  41                        udelay(100);
  42                        WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
  43                        RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  44                        udelay(5);
  45                        data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  46                }
  47        }
  48}
  49
  50/**
  51 * qla2x00_unlock_nvram_access() -
  52 * @ha: HA context
  53 */
  54static void
  55qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
  56{
  57        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  58
  59        if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
  60                WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
  61                RD_REG_WORD(&reg->u.isp2300.host_semaphore);
  62        }
  63}
  64
  65/**
  66 * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
  67 * @ha: HA context
  68 * @data: Serial interface selector
  69 */
  70static void
  71qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
  72{
  73        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
  74
  75        WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  76        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  77        NVRAM_DELAY();
  78        WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
  79            NVR_WRT_ENABLE);
  80        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  81        NVRAM_DELAY();
  82        WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
  83        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
  84        NVRAM_DELAY();
  85}
  86
  87/**
  88 * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
  89 *      NVRAM.
  90 * @ha: HA context
  91 * @nv_cmd: NVRAM command
  92 *
  93 * Bit definitions for NVRAM command:
  94 *
  95 *      Bit 26     = start bit
  96 *      Bit 25, 24 = opcode
  97 *      Bit 23-16  = address
  98 *      Bit 15-0   = write data
  99 *
 100 * Returns the word read from nvram @addr.
 101 */
 102static uint16_t
 103qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
 104{
 105        uint8_t         cnt;
 106        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 107        uint16_t        data = 0;
 108        uint16_t        reg_data;
 109
 110        /* Send command to NVRAM. */
 111        nv_cmd <<= 5;
 112        for (cnt = 0; cnt < 11; cnt++) {
 113                if (nv_cmd & BIT_31)
 114                        qla2x00_nv_write(ha, NVR_DATA_OUT);
 115                else
 116                        qla2x00_nv_write(ha, 0);
 117                nv_cmd <<= 1;
 118        }
 119
 120        /* Read data from NVRAM. */
 121        for (cnt = 0; cnt < 16; cnt++) {
 122                WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
 123                RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 124                NVRAM_DELAY();
 125                data <<= 1;
 126                reg_data = RD_REG_WORD(&reg->nvram);
 127                if (reg_data & NVR_DATA_IN)
 128                        data |= BIT_0;
 129                WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 130                RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 131                NVRAM_DELAY();
 132        }
 133
 134        /* Deselect chip. */
 135        WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 136        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 137        NVRAM_DELAY();
 138
 139        return data;
 140}
 141
 142
 143/**
 144 * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
 145 *      request routine to get the word from NVRAM.
 146 * @ha: HA context
 147 * @addr: Address in NVRAM to read
 148 *
 149 * Returns the word read from nvram @addr.
 150 */
 151static uint16_t
 152qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
 153{
 154        uint16_t        data;
 155        uint32_t        nv_cmd;
 156
 157        nv_cmd = addr << 16;
 158        nv_cmd |= NV_READ_OP;
 159        data = qla2x00_nvram_request(ha, nv_cmd);
 160
 161        return (data);
 162}
 163
 164/**
 165 * qla2x00_nv_deselect() - Deselect NVRAM operations.
 166 * @ha: HA context
 167 */
 168static void
 169qla2x00_nv_deselect(struct qla_hw_data *ha)
 170{
 171        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 172
 173        WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
 174        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 175        NVRAM_DELAY();
 176}
 177
 178/**
 179 * qla2x00_write_nvram_word() - Write NVRAM data.
 180 * @ha: HA context
 181 * @addr: Address in NVRAM to write
 182 * @data: word to program
 183 */
 184static void
 185qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
 186{
 187        int count;
 188        uint16_t word;
 189        uint32_t nv_cmd, wait_cnt;
 190        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 191
 192        qla2x00_nv_write(ha, NVR_DATA_OUT);
 193        qla2x00_nv_write(ha, 0);
 194        qla2x00_nv_write(ha, 0);
 195
 196        for (word = 0; word < 8; word++)
 197                qla2x00_nv_write(ha, NVR_DATA_OUT);
 198
 199        qla2x00_nv_deselect(ha);
 200
 201        /* Write data */
 202        nv_cmd = (addr << 16) | NV_WRITE_OP;
 203        nv_cmd |= data;
 204        nv_cmd <<= 5;
 205        for (count = 0; count < 27; count++) {
 206                if (nv_cmd & BIT_31)
 207                        qla2x00_nv_write(ha, NVR_DATA_OUT);
 208                else
 209                        qla2x00_nv_write(ha, 0);
 210
 211                nv_cmd <<= 1;
 212        }
 213
 214        qla2x00_nv_deselect(ha);
 215
 216        /* Wait for NVRAM to become ready */
 217        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 218        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 219        wait_cnt = NVR_WAIT_CNT;
 220        do {
 221                if (!--wait_cnt) {
 222                        DEBUG9_10(qla_printk(KERN_WARNING, ha,
 223                            "NVRAM didn't go ready...\n"));
 224                        break;
 225                }
 226                NVRAM_DELAY();
 227                word = RD_REG_WORD(&reg->nvram);
 228        } while ((word & NVR_DATA_IN) == 0);
 229
 230        qla2x00_nv_deselect(ha);
 231
 232        /* Disable writes */
 233        qla2x00_nv_write(ha, NVR_DATA_OUT);
 234        for (count = 0; count < 10; count++)
 235                qla2x00_nv_write(ha, 0);
 236
 237        qla2x00_nv_deselect(ha);
 238}
 239
 240static int
 241qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
 242        uint16_t data, uint32_t tmo)
 243{
 244        int ret, count;
 245        uint16_t word;
 246        uint32_t nv_cmd;
 247        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 248
 249        ret = QLA_SUCCESS;
 250
 251        qla2x00_nv_write(ha, NVR_DATA_OUT);
 252        qla2x00_nv_write(ha, 0);
 253        qla2x00_nv_write(ha, 0);
 254
 255        for (word = 0; word < 8; word++)
 256                qla2x00_nv_write(ha, NVR_DATA_OUT);
 257
 258        qla2x00_nv_deselect(ha);
 259
 260        /* Write data */
 261        nv_cmd = (addr << 16) | NV_WRITE_OP;
 262        nv_cmd |= data;
 263        nv_cmd <<= 5;
 264        for (count = 0; count < 27; count++) {
 265                if (nv_cmd & BIT_31)
 266                        qla2x00_nv_write(ha, NVR_DATA_OUT);
 267                else
 268                        qla2x00_nv_write(ha, 0);
 269
 270                nv_cmd <<= 1;
 271        }
 272
 273        qla2x00_nv_deselect(ha);
 274
 275        /* Wait for NVRAM to become ready */
 276        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 277        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 278        do {
 279                NVRAM_DELAY();
 280                word = RD_REG_WORD(&reg->nvram);
 281                if (!--tmo) {
 282                        ret = QLA_FUNCTION_FAILED;
 283                        break;
 284                }
 285        } while ((word & NVR_DATA_IN) == 0);
 286
 287        qla2x00_nv_deselect(ha);
 288
 289        /* Disable writes */
 290        qla2x00_nv_write(ha, NVR_DATA_OUT);
 291        for (count = 0; count < 10; count++)
 292                qla2x00_nv_write(ha, 0);
 293
 294        qla2x00_nv_deselect(ha);
 295
 296        return ret;
 297}
 298
 299/**
 300 * qla2x00_clear_nvram_protection() -
 301 * @ha: HA context
 302 */
 303static int
 304qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
 305{
 306        int ret, stat;
 307        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 308        uint32_t word, wait_cnt;
 309        uint16_t wprot, wprot_old;
 310
 311        /* Clear NVRAM write protection. */
 312        ret = QLA_FUNCTION_FAILED;
 313
 314        wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 315        stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
 316            __constant_cpu_to_le16(0x1234), 100000);
 317        wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
 318        if (stat != QLA_SUCCESS || wprot != 0x1234) {
 319                /* Write enable. */
 320                qla2x00_nv_write(ha, NVR_DATA_OUT);
 321                qla2x00_nv_write(ha, 0);
 322                qla2x00_nv_write(ha, 0);
 323                for (word = 0; word < 8; word++)
 324                        qla2x00_nv_write(ha, NVR_DATA_OUT);
 325
 326                qla2x00_nv_deselect(ha);
 327
 328                /* Enable protection register. */
 329                qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 330                qla2x00_nv_write(ha, NVR_PR_ENABLE);
 331                qla2x00_nv_write(ha, NVR_PR_ENABLE);
 332                for (word = 0; word < 8; word++)
 333                        qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 334
 335                qla2x00_nv_deselect(ha);
 336
 337                /* Clear protection register (ffff is cleared). */
 338                qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 339                qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 340                qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 341                for (word = 0; word < 8; word++)
 342                        qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 343
 344                qla2x00_nv_deselect(ha);
 345
 346                /* Wait for NVRAM to become ready. */
 347                WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 348                RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
 349                wait_cnt = NVR_WAIT_CNT;
 350                do {
 351                        if (!--wait_cnt) {
 352                                DEBUG9_10(qla_printk(KERN_WARNING, ha,
 353                                    "NVRAM didn't go ready...\n"));
 354                                break;
 355                        }
 356                        NVRAM_DELAY();
 357                        word = RD_REG_WORD(&reg->nvram);
 358                } while ((word & NVR_DATA_IN) == 0);
 359
 360                if (wait_cnt)
 361                        ret = QLA_SUCCESS;
 362        } else
 363                qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
 364
 365        return ret;
 366}
 367
 368static void
 369qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
 370{
 371        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 372        uint32_t word, wait_cnt;
 373
 374        if (stat != QLA_SUCCESS)
 375                return;
 376
 377        /* Set NVRAM write protection. */
 378        /* Write enable. */
 379        qla2x00_nv_write(ha, NVR_DATA_OUT);
 380        qla2x00_nv_write(ha, 0);
 381        qla2x00_nv_write(ha, 0);
 382        for (word = 0; word < 8; word++)
 383                qla2x00_nv_write(ha, NVR_DATA_OUT);
 384
 385        qla2x00_nv_deselect(ha);
 386
 387        /* Enable protection register. */
 388        qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 389        qla2x00_nv_write(ha, NVR_PR_ENABLE);
 390        qla2x00_nv_write(ha, NVR_PR_ENABLE);
 391        for (word = 0; word < 8; word++)
 392                qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
 393
 394        qla2x00_nv_deselect(ha);
 395
 396        /* Enable protection register. */
 397        qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 398        qla2x00_nv_write(ha, NVR_PR_ENABLE);
 399        qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
 400        for (word = 0; word < 8; word++)
 401                qla2x00_nv_write(ha, NVR_PR_ENABLE);
 402
 403        qla2x00_nv_deselect(ha);
 404
 405        /* Wait for NVRAM to become ready. */
 406        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
 407        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
 408        wait_cnt = NVR_WAIT_CNT;
 409        do {
 410                if (!--wait_cnt) {
 411                        DEBUG9_10(qla_printk(KERN_WARNING, ha,
 412                            "NVRAM didn't go ready...\n"));
 413                        break;
 414                }
 415                NVRAM_DELAY();
 416                word = RD_REG_WORD(&reg->nvram);
 417        } while ((word & NVR_DATA_IN) == 0);
 418}
 419
 420
 421/*****************************************************************************/
 422/* Flash Manipulation Routines                                               */
 423/*****************************************************************************/
 424
 425#define OPTROM_BURST_SIZE       0x1000
 426#define OPTROM_BURST_DWORDS     (OPTROM_BURST_SIZE / 4)
 427
 428static inline uint32_t
 429flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
 430{
 431        return ha->flash_conf_off | faddr;
 432}
 433
 434static inline uint32_t
 435flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
 436{
 437        return ha->flash_data_off | faddr;
 438}
 439
 440static inline uint32_t
 441nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
 442{
 443        return ha->nvram_conf_off | naddr;
 444}
 445
 446static inline uint32_t
 447nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
 448{
 449        return ha->nvram_data_off | naddr;
 450}
 451
 452static uint32_t
 453qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
 454{
 455        int rval;
 456        uint32_t cnt, data;
 457        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 458
 459        WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
 460        /* Wait for READ cycle to complete. */
 461        rval = QLA_SUCCESS;
 462        for (cnt = 3000;
 463            (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
 464            rval == QLA_SUCCESS; cnt--) {
 465                if (cnt)
 466                        udelay(10);
 467                else
 468                        rval = QLA_FUNCTION_TIMEOUT;
 469                cond_resched();
 470        }
 471
 472        /* TODO: What happens if we time out? */
 473        data = 0xDEADDEAD;
 474        if (rval == QLA_SUCCESS)
 475                data = RD_REG_DWORD(&reg->flash_data);
 476
 477        return data;
 478}
 479
 480uint32_t *
 481qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
 482    uint32_t dwords)
 483{
 484        uint32_t i;
 485        struct qla_hw_data *ha = vha->hw;
 486
 487        /* Dword reads to flash. */
 488        for (i = 0; i < dwords; i++, faddr++)
 489                dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
 490                    flash_data_addr(ha, faddr)));
 491
 492        return dwptr;
 493}
 494
 495static int
 496qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
 497{
 498        int rval;
 499        uint32_t cnt;
 500        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 501
 502        WRT_REG_DWORD(&reg->flash_data, data);
 503        RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
 504        WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
 505        /* Wait for Write cycle to complete. */
 506        rval = QLA_SUCCESS;
 507        for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
 508            rval == QLA_SUCCESS; cnt--) {
 509                if (cnt)
 510                        udelay(10);
 511                else
 512                        rval = QLA_FUNCTION_TIMEOUT;
 513                cond_resched();
 514        }
 515        return rval;
 516}
 517
 518static void
 519qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
 520    uint8_t *flash_id)
 521{
 522        uint32_t ids;
 523
 524        ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
 525        *man_id = LSB(ids);
 526        *flash_id = MSB(ids);
 527
 528        /* Check if man_id and flash_id are valid. */
 529        if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
 530                /* Read information using 0x9f opcode
 531                 * Device ID, Mfg ID would be read in the format:
 532                 *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
 533                 * Example: ATMEL 0x00 01 45 1F
 534                 * Extract MFG and Dev ID from last two bytes.
 535                 */
 536                ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
 537                *man_id = LSB(ids);
 538                *flash_id = MSB(ids);
 539        }
 540}
 541
 542static int
 543qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
 544{
 545        const char *loc, *locations[] = { "DEF", "PCI" };
 546        uint32_t pcihdr, pcids;
 547        uint32_t *dcode;
 548        uint8_t *buf, *bcode, last_image;
 549        uint16_t cnt, chksum, *wptr;
 550        struct qla_flt_location *fltl;
 551        struct qla_hw_data *ha = vha->hw;
 552        struct req_que *req = ha->req_q_map[0];
 553
 554        /*
 555         * FLT-location structure resides after the last PCI region.
 556         */
 557
 558        /* Begin with sane defaults. */
 559        loc = locations[0];
 560        *start = 0;
 561        if (IS_QLA24XX_TYPE(ha))
 562                *start = FA_FLASH_LAYOUT_ADDR_24;
 563        else if (IS_QLA25XX(ha))
 564                *start = FA_FLASH_LAYOUT_ADDR;
 565        else if (IS_QLA81XX(ha))
 566                *start = FA_FLASH_LAYOUT_ADDR_81;
 567        /* Begin with first PCI expansion ROM header. */
 568        buf = (uint8_t *)req->ring;
 569        dcode = (uint32_t *)req->ring;
 570        pcihdr = 0;
 571        last_image = 1;
 572        do {
 573                /* Verify PCI expansion ROM header. */
 574                qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
 575                bcode = buf + (pcihdr % 4);
 576                if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
 577                        goto end;
 578
 579                /* Locate PCI data structure. */
 580                pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
 581                qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
 582                bcode = buf + (pcihdr % 4);
 583
 584                /* Validate signature of PCI data structure. */
 585                if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
 586                    bcode[0x2] != 'I' || bcode[0x3] != 'R')
 587                        goto end;
 588
 589                last_image = bcode[0x15] & BIT_7;
 590
 591                /* Locate next PCI expansion ROM. */
 592                pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
 593        } while (!last_image);
 594
 595        /* Now verify FLT-location structure. */
 596        fltl = (struct qla_flt_location *)req->ring;
 597        qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
 598            sizeof(struct qla_flt_location) >> 2);
 599        if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
 600            fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
 601                goto end;
 602
 603        wptr = (uint16_t *)req->ring;
 604        cnt = sizeof(struct qla_flt_location) >> 1;
 605        for (chksum = 0; cnt; cnt--)
 606                chksum += le16_to_cpu(*wptr++);
 607        if (chksum) {
 608                qla_printk(KERN_ERR, ha,
 609                    "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
 610                qla2x00_dump_buffer(buf, sizeof(struct qla_flt_location));
 611                return QLA_FUNCTION_FAILED;
 612        }
 613
 614        /* Good data.  Use specified location. */
 615        loc = locations[1];
 616        *start = (le16_to_cpu(fltl->start_hi) << 16 |
 617            le16_to_cpu(fltl->start_lo)) >> 2;
 618end:
 619        DEBUG2(qla_printk(KERN_DEBUG, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
 620        return QLA_SUCCESS;
 621}
 622
 623static void
 624qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
 625{
 626        const char *loc, *locations[] = { "DEF", "FLT" };
 627        const uint32_t def_fw[] =
 628                { FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
 629        const uint32_t def_boot[] =
 630                { FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
 631        const uint32_t def_vpd_nvram[] =
 632                { FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
 633        const uint32_t def_vpd0[] =
 634                { 0, 0, FA_VPD0_ADDR_81 };
 635        const uint32_t def_vpd1[] =
 636                { 0, 0, FA_VPD1_ADDR_81 };
 637        const uint32_t def_nvram0[] =
 638                { 0, 0, FA_NVRAM0_ADDR_81 };
 639        const uint32_t def_nvram1[] =
 640                { 0, 0, FA_NVRAM1_ADDR_81 };
 641        const uint32_t def_fdt[] =
 642                { FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
 643                        FA_FLASH_DESCR_ADDR_81 };
 644        const uint32_t def_npiv_conf0[] =
 645                { FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
 646                        FA_NPIV_CONF0_ADDR_81 };
 647        const uint32_t def_npiv_conf1[] =
 648                { FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
 649                        FA_NPIV_CONF1_ADDR_81 };
 650        uint32_t def;
 651        uint16_t *wptr;
 652        uint16_t cnt, chksum;
 653        uint32_t start;
 654        struct qla_flt_header *flt;
 655        struct qla_flt_region *region;
 656        struct qla_hw_data *ha = vha->hw;
 657        struct req_que *req = ha->req_q_map[0];
 658
 659        ha->flt_region_flt = flt_addr;
 660        wptr = (uint16_t *)req->ring;
 661        flt = (struct qla_flt_header *)req->ring;
 662        region = (struct qla_flt_region *)&flt[1];
 663        ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 664            flt_addr << 2, OPTROM_BURST_SIZE);
 665        if (*wptr == __constant_cpu_to_le16(0xffff))
 666                goto no_flash_data;
 667        if (flt->version != __constant_cpu_to_le16(1)) {
 668                DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported FLT detected: "
 669                    "version=0x%x length=0x%x checksum=0x%x.\n",
 670                    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 671                    le16_to_cpu(flt->checksum)));
 672                goto no_flash_data;
 673        }
 674
 675        cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
 676        for (chksum = 0; cnt; cnt--)
 677                chksum += le16_to_cpu(*wptr++);
 678        if (chksum) {
 679                DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
 680                    "version=0x%x length=0x%x checksum=0x%x.\n",
 681                    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
 682                    chksum));
 683                goto no_flash_data;
 684        }
 685
 686        loc = locations[1];
 687        cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
 688        for ( ; cnt; cnt--, region++) {
 689                /* Store addresses as DWORD offsets. */
 690                start = le32_to_cpu(region->start) >> 2;
 691
 692                DEBUG3(qla_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
 693                    "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
 694                    le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
 695
 696                switch (le32_to_cpu(region->code) & 0xff) {
 697                case FLT_REG_FW:
 698                        ha->flt_region_fw = start;
 699                        break;
 700                case FLT_REG_BOOT_CODE:
 701                        ha->flt_region_boot = start;
 702                        break;
 703                case FLT_REG_VPD_0:
 704                        ha->flt_region_vpd_nvram = start;
 705                        if (ha->flags.port0)
 706                                ha->flt_region_vpd = start;
 707                        break;
 708                case FLT_REG_VPD_1:
 709                        if (!ha->flags.port0)
 710                                ha->flt_region_vpd = start;
 711                        break;
 712                case FLT_REG_NVRAM_0:
 713                        if (ha->flags.port0)
 714                                ha->flt_region_nvram = start;
 715                        break;
 716                case FLT_REG_NVRAM_1:
 717                        if (!ha->flags.port0)
 718                                ha->flt_region_nvram = start;
 719                        break;
 720                case FLT_REG_FDT:
 721                        ha->flt_region_fdt = start;
 722                        break;
 723                case FLT_REG_NPIV_CONF_0:
 724                        if (ha->flags.port0)
 725                                ha->flt_region_npiv_conf = start;
 726                        break;
 727                case FLT_REG_NPIV_CONF_1:
 728                        if (!ha->flags.port0)
 729                                ha->flt_region_npiv_conf = start;
 730                        break;
 731                case FLT_REG_GOLD_FW:
 732                        ha->flt_region_gold_fw = start;
 733                        break;
 734                }
 735        }
 736        goto done;
 737
 738no_flash_data:
 739        /* Use hardcoded defaults. */
 740        loc = locations[0];
 741        def = 0;
 742        if (IS_QLA24XX_TYPE(ha))
 743                def = 0;
 744        else if (IS_QLA25XX(ha))
 745                def = 1;
 746        else if (IS_QLA81XX(ha))
 747                def = 2;
 748        ha->flt_region_fw = def_fw[def];
 749        ha->flt_region_boot = def_boot[def];
 750        ha->flt_region_vpd_nvram = def_vpd_nvram[def];
 751        ha->flt_region_vpd = ha->flags.port0 ?
 752            def_vpd0[def]: def_vpd1[def];
 753        ha->flt_region_nvram = ha->flags.port0 ?
 754            def_nvram0[def]: def_nvram1[def];
 755        ha->flt_region_fdt = def_fdt[def];
 756        ha->flt_region_npiv_conf = ha->flags.port0 ?
 757            def_npiv_conf0[def]: def_npiv_conf1[def];
 758done:
 759        DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
 760            "vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x "
 761            "npiv=0x%x.\n", loc, ha->flt_region_boot, ha->flt_region_fw,
 762            ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
 763            ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf));
 764}
 765
 766static void
 767qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 768{
 769#define FLASH_BLK_SIZE_4K       0x1000
 770#define FLASH_BLK_SIZE_32K      0x8000
 771#define FLASH_BLK_SIZE_64K      0x10000
 772        const char *loc, *locations[] = { "MID", "FDT" };
 773        uint16_t cnt, chksum;
 774        uint16_t *wptr;
 775        struct qla_fdt_layout *fdt;
 776        uint8_t man_id, flash_id;
 777        uint16_t mid, fid;
 778        struct qla_hw_data *ha = vha->hw;
 779        struct req_que *req = ha->req_q_map[0];
 780
 781        wptr = (uint16_t *)req->ring;
 782        fdt = (struct qla_fdt_layout *)req->ring;
 783        ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
 784            ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
 785        if (*wptr == __constant_cpu_to_le16(0xffff))
 786                goto no_flash_data;
 787        if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
 788            fdt->sig[3] != 'D')
 789                goto no_flash_data;
 790
 791        for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
 792            cnt++)
 793                chksum += le16_to_cpu(*wptr++);
 794        if (chksum) {
 795                DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FDT detected: "
 796                    "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0],
 797                    le16_to_cpu(fdt->version)));
 798                DEBUG9(qla2x00_dump_buffer((uint8_t *)fdt, sizeof(*fdt)));
 799                goto no_flash_data;
 800        }
 801
 802        loc = locations[1];
 803        mid = le16_to_cpu(fdt->man_id);
 804        fid = le16_to_cpu(fdt->id);
 805        ha->fdt_wrt_disable = fdt->wrt_disable_bits;
 806        ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
 807        ha->fdt_block_size = le32_to_cpu(fdt->block_size);
 808        if (fdt->unprotect_sec_cmd) {
 809                ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
 810                    fdt->unprotect_sec_cmd);
 811                ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
 812                    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd):
 813                    flash_conf_addr(ha, 0x0336);
 814        }
 815        goto done;
 816no_flash_data:
 817        loc = locations[0];
 818        qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
 819        mid = man_id;
 820        fid = flash_id;
 821        ha->fdt_wrt_disable = 0x9c;
 822        ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
 823        switch (man_id) {
 824        case 0xbf: /* STT flash. */
 825                if (flash_id == 0x8e)
 826                        ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 827                else
 828                        ha->fdt_block_size = FLASH_BLK_SIZE_32K;
 829
 830                if (flash_id == 0x80)
 831                        ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
 832                break;
 833        case 0x13: /* ST M25P80. */
 834                ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 835                break;
 836        case 0x1f: /* Atmel 26DF081A. */
 837                ha->fdt_block_size = FLASH_BLK_SIZE_4K;
 838                ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
 839                ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
 840                ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
 841                break;
 842        default:
 843                /* Default to 64 kb sector size. */
 844                ha->fdt_block_size = FLASH_BLK_SIZE_64K;
 845                break;
 846        }
 847done:
 848        DEBUG2(qla_printk(KERN_DEBUG, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
 849            "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
 850            ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
 851            ha->fdt_unprotect_sec_cmd, ha->fdt_wrt_disable,
 852            ha->fdt_block_size));
 853}
 854
 855int
 856qla2xxx_get_flash_info(scsi_qla_host_t *vha)
 857{
 858        int ret;
 859        uint32_t flt_addr;
 860        struct qla_hw_data *ha = vha->hw;
 861
 862        if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 863                return QLA_SUCCESS;
 864
 865        ret = qla2xxx_find_flt_start(vha, &flt_addr);
 866        if (ret != QLA_SUCCESS)
 867                return ret;
 868
 869        qla2xxx_get_flt_info(vha, flt_addr);
 870        qla2xxx_get_fdt_info(vha);
 871
 872        return QLA_SUCCESS;
 873}
 874
 875void
 876qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
 877{
 878#define NPIV_CONFIG_SIZE        (16*1024)
 879        void *data;
 880        uint16_t *wptr;
 881        uint16_t cnt, chksum;
 882        int i;
 883        struct qla_npiv_header hdr;
 884        struct qla_npiv_entry *entry;
 885        struct qla_hw_data *ha = vha->hw;
 886
 887        if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA81XX(ha))
 888                return;
 889
 890        ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
 891            ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
 892        if (hdr.version == __constant_cpu_to_le16(0xffff))
 893                return;
 894        if (hdr.version != __constant_cpu_to_le16(1)) {
 895                DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
 896                    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 897                    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 898                    le16_to_cpu(hdr.checksum)));
 899                return;
 900        }
 901
 902        data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
 903        if (!data) {
 904                DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
 905                    "allocate memory.\n"));
 906                return;
 907        }
 908
 909        ha->isp_ops->read_optrom(vha, (uint8_t *)data,
 910            ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
 911
 912        cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
 913            sizeof(struct qla_npiv_entry)) >> 1;
 914        for (wptr = data, chksum = 0; cnt; cnt--)
 915                chksum += le16_to_cpu(*wptr++);
 916        if (chksum) {
 917                DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
 918                    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
 919                    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
 920                    chksum));
 921                goto done;
 922        }
 923
 924        entry = data + sizeof(struct qla_npiv_header);
 925        cnt = le16_to_cpu(hdr.entries);
 926        for (i = 0; cnt; cnt--, entry++, i++) {
 927                uint16_t flags;
 928                struct fc_vport_identifiers vid;
 929                struct fc_vport *vport;
 930
 931                memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
 932
 933                flags = le16_to_cpu(entry->flags);
 934                if (flags == 0xffff)
 935                        continue;
 936                if ((flags & BIT_0) == 0)
 937                        continue;
 938
 939                memset(&vid, 0, sizeof(vid));
 940                vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
 941                vid.vport_type = FC_PORTTYPE_NPIV;
 942                vid.disable = false;
 943                vid.port_name = wwn_to_u64(entry->port_name);
 944                vid.node_name = wwn_to_u64(entry->node_name);
 945
 946                DEBUG2(qla_printk(KERN_INFO, ha, "NPIV[%02x]: wwpn=%llx "
 947                        "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
 948                        (unsigned long long)vid.port_name,
 949                        (unsigned long long)vid.node_name,
 950                        le16_to_cpu(entry->vf_id),
 951                        entry->q_qos, entry->f_qos));
 952
 953                if (i < QLA_PRECONFIG_VPORTS) {
 954                        vport = fc_vport_create(vha->host, 0, &vid);
 955                        if (!vport)
 956                                qla_printk(KERN_INFO, ha,
 957                                "NPIV-Config: Failed to create vport [%02x]: "
 958                                "wwpn=%llx wwnn=%llx.\n", cnt,
 959                                (unsigned long long)vid.port_name,
 960                                (unsigned long long)vid.node_name);
 961                }
 962        }
 963done:
 964        kfree(data);
 965}
 966
 967static int
 968qla24xx_unprotect_flash(scsi_qla_host_t *vha)
 969{
 970        struct qla_hw_data *ha = vha->hw;
 971        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 972
 973        if (ha->flags.fac_supported)
 974                return qla81xx_fac_do_write_enable(vha, 1);
 975
 976        /* Enable flash write. */
 977        WRT_REG_DWORD(&reg->ctrl_status,
 978            RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
 979        RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 980
 981        if (!ha->fdt_wrt_disable)
 982                goto done;
 983
 984        /* Disable flash write-protection, first clear SR protection bit */
 985        qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
 986        /* Then write zero again to clear remaining SR bits.*/
 987        qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
 988done:
 989        return QLA_SUCCESS;
 990}
 991
 992static int
 993qla24xx_protect_flash(scsi_qla_host_t *vha)
 994{
 995        uint32_t cnt;
 996        struct qla_hw_data *ha = vha->hw;
 997        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 998
 999        if (ha->flags.fac_supported)
1000                return qla81xx_fac_do_write_enable(vha, 0);
1001
1002        if (!ha->fdt_wrt_disable)
1003                goto skip_wrt_protect;
1004
1005        /* Enable flash write-protection and wait for completion. */
1006        qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
1007            ha->fdt_wrt_disable);
1008        for (cnt = 300; cnt &&
1009            qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
1010            cnt--) {
1011                udelay(10);
1012        }
1013
1014skip_wrt_protect:
1015        /* Disable flash write. */
1016        WRT_REG_DWORD(&reg->ctrl_status,
1017            RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1018        RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1019
1020        return QLA_SUCCESS;
1021}
1022
1023static int
1024qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1025{
1026        struct qla_hw_data *ha = vha->hw;
1027        uint32_t start, finish;
1028
1029        if (ha->flags.fac_supported) {
1030                start = fdata >> 2;
1031                finish = start + (ha->fdt_block_size >> 2) - 1;
1032                return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1033                    start), flash_data_addr(ha, finish));
1034        }
1035
1036        return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1037            (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1038            ((fdata >> 16) & 0xff));
1039}
1040
1041static int
1042qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1043    uint32_t dwords)
1044{
1045        int ret;
1046        uint32_t liter;
1047        uint32_t sec_mask, rest_addr;
1048        uint32_t fdata;
1049        dma_addr_t optrom_dma;
1050        void *optrom = NULL;
1051        struct qla_hw_data *ha = vha->hw;
1052
1053        /* Prepare burst-capable write on supported ISPs. */
1054        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && !(faddr & 0xfff) &&
1055            dwords > OPTROM_BURST_DWORDS) {
1056                optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1057                    &optrom_dma, GFP_KERNEL);
1058                if (!optrom) {
1059                        qla_printk(KERN_DEBUG, ha,
1060                            "Unable to allocate memory for optrom burst write "
1061                            "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
1062                }
1063        }
1064
1065        rest_addr = (ha->fdt_block_size >> 2) - 1;
1066        sec_mask = ~rest_addr;
1067
1068        ret = qla24xx_unprotect_flash(vha);
1069        if (ret != QLA_SUCCESS) {
1070                qla_printk(KERN_WARNING, ha,
1071                    "Unable to unprotect flash for update.\n");
1072                goto done;
1073        }
1074
1075        for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1076                fdata = (faddr & sec_mask) << 2;
1077
1078                /* Are we at the beginning of a sector? */
1079                if ((faddr & rest_addr) == 0) {
1080                        /* Do sector unprotect. */
1081                        if (ha->fdt_unprotect_sec_cmd)
1082                                qla24xx_write_flash_dword(ha,
1083                                    ha->fdt_unprotect_sec_cmd,
1084                                    (fdata & 0xff00) | ((fdata << 16) &
1085                                    0xff0000) | ((fdata >> 16) & 0xff));
1086                        ret = qla24xx_erase_sector(vha, fdata);
1087                        if (ret != QLA_SUCCESS) {
1088                                DEBUG9(qla_printk(KERN_WARNING, ha,
1089                                    "Unable to erase sector: address=%x.\n",
1090                                    faddr));
1091                                break;
1092                        }
1093                }
1094
1095                /* Go with burst-write. */
1096                if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
1097                        /* Copy data to DMA'ble buffer. */
1098                        memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
1099
1100                        ret = qla2x00_load_ram(vha, optrom_dma,
1101                            flash_data_addr(ha, faddr),
1102                            OPTROM_BURST_DWORDS);
1103                        if (ret != QLA_SUCCESS) {
1104                                qla_printk(KERN_WARNING, ha,
1105                                    "Unable to burst-write optrom segment "
1106                                    "(%x/%x/%llx).\n", ret,
1107                                    flash_data_addr(ha, faddr),
1108                                    (unsigned long long)optrom_dma);
1109                                qla_printk(KERN_WARNING, ha,
1110                                    "Reverting to slow-write.\n");
1111
1112                                dma_free_coherent(&ha->pdev->dev,
1113                                    OPTROM_BURST_SIZE, optrom, optrom_dma);
1114                                optrom = NULL;
1115                        } else {
1116                                liter += OPTROM_BURST_DWORDS - 1;
1117                                faddr += OPTROM_BURST_DWORDS - 1;
1118                                dwptr += OPTROM_BURST_DWORDS - 1;
1119                                continue;
1120                        }
1121                }
1122
1123                ret = qla24xx_write_flash_dword(ha,
1124                    flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1125                if (ret != QLA_SUCCESS) {
1126                        DEBUG9(printk("%s(%ld) Unable to program flash "
1127                            "address=%x data=%x.\n", __func__,
1128                            vha->host_no, faddr, *dwptr));
1129                        break;
1130                }
1131
1132                /* Do sector protect. */
1133                if (ha->fdt_unprotect_sec_cmd &&
1134                    ((faddr & rest_addr) == rest_addr))
1135                        qla24xx_write_flash_dword(ha,
1136                            ha->fdt_protect_sec_cmd,
1137                            (fdata & 0xff00) | ((fdata << 16) &
1138                            0xff0000) | ((fdata >> 16) & 0xff));
1139        }
1140
1141        ret = qla24xx_protect_flash(vha);
1142        if (ret != QLA_SUCCESS)
1143                qla_printk(KERN_WARNING, ha,
1144                    "Unable to protect flash after update.\n");
1145done:
1146        if (optrom)
1147                dma_free_coherent(&ha->pdev->dev,
1148                    OPTROM_BURST_SIZE, optrom, optrom_dma);
1149
1150        return ret;
1151}
1152
1153uint8_t *
1154qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1155    uint32_t bytes)
1156{
1157        uint32_t i;
1158        uint16_t *wptr;
1159        struct qla_hw_data *ha = vha->hw;
1160
1161        /* Word reads to NVRAM via registers. */
1162        wptr = (uint16_t *)buf;
1163        qla2x00_lock_nvram_access(ha);
1164        for (i = 0; i < bytes >> 1; i++, naddr++)
1165                wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1166                    naddr));
1167        qla2x00_unlock_nvram_access(ha);
1168
1169        return buf;
1170}
1171
1172uint8_t *
1173qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1174    uint32_t bytes)
1175{
1176        uint32_t i;
1177        uint32_t *dwptr;
1178        struct qla_hw_data *ha = vha->hw;
1179
1180        /* Dword reads to flash. */
1181        dwptr = (uint32_t *)buf;
1182        for (i = 0; i < bytes >> 2; i++, naddr++)
1183                dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1184                    nvram_data_addr(ha, naddr)));
1185
1186        return buf;
1187}
1188
1189int
1190qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1191    uint32_t bytes)
1192{
1193        int ret, stat;
1194        uint32_t i;
1195        uint16_t *wptr;
1196        unsigned long flags;
1197        struct qla_hw_data *ha = vha->hw;
1198
1199        ret = QLA_SUCCESS;
1200
1201        spin_lock_irqsave(&ha->hardware_lock, flags);
1202        qla2x00_lock_nvram_access(ha);
1203
1204        /* Disable NVRAM write-protection. */
1205        stat = qla2x00_clear_nvram_protection(ha);
1206
1207        wptr = (uint16_t *)buf;
1208        for (i = 0; i < bytes >> 1; i++, naddr++) {
1209                qla2x00_write_nvram_word(ha, naddr,
1210                    cpu_to_le16(*wptr));
1211                wptr++;
1212        }
1213
1214        /* Enable NVRAM write-protection. */
1215        qla2x00_set_nvram_protection(ha, stat);
1216
1217        qla2x00_unlock_nvram_access(ha);
1218        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1219
1220        return ret;
1221}
1222
1223int
1224qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1225    uint32_t bytes)
1226{
1227        int ret;
1228        uint32_t i;
1229        uint32_t *dwptr;
1230        struct qla_hw_data *ha = vha->hw;
1231        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1232
1233        ret = QLA_SUCCESS;
1234
1235        /* Enable flash write. */
1236        WRT_REG_DWORD(&reg->ctrl_status,
1237            RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1238        RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1239
1240        /* Disable NVRAM write-protection. */
1241        qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1242        qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1243
1244        /* Dword writes to flash. */
1245        dwptr = (uint32_t *)buf;
1246        for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
1247                ret = qla24xx_write_flash_dword(ha,
1248                    nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
1249                if (ret != QLA_SUCCESS) {
1250                        DEBUG9(qla_printk(KERN_WARNING, ha,
1251                            "Unable to program nvram address=%x data=%x.\n",
1252                            naddr, *dwptr));
1253                        break;
1254                }
1255        }
1256
1257        /* Enable NVRAM write-protection. */
1258        qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1259
1260        /* Disable flash write. */
1261        WRT_REG_DWORD(&reg->ctrl_status,
1262            RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1263        RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
1264
1265        return ret;
1266}
1267
1268uint8_t *
1269qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1270    uint32_t bytes)
1271{
1272        uint32_t i;
1273        uint32_t *dwptr;
1274        struct qla_hw_data *ha = vha->hw;
1275
1276        /* Dword reads to flash. */
1277        dwptr = (uint32_t *)buf;
1278        for (i = 0; i < bytes >> 2; i++, naddr++)
1279                dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1280                    flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
1281
1282        return buf;
1283}
1284
1285int
1286qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1287    uint32_t bytes)
1288{
1289        struct qla_hw_data *ha = vha->hw;
1290#define RMW_BUFFER_SIZE (64 * 1024)
1291        uint8_t *dbuf;
1292
1293        dbuf = vmalloc(RMW_BUFFER_SIZE);
1294        if (!dbuf)
1295                return QLA_MEMORY_ALLOC_FAILED;
1296        ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1297            RMW_BUFFER_SIZE);
1298        memcpy(dbuf + (naddr << 2), buf, bytes);
1299        ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1300            RMW_BUFFER_SIZE);
1301        vfree(dbuf);
1302
1303        return QLA_SUCCESS;
1304}
1305
1306static inline void
1307qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1308{
1309        if (IS_QLA2322(ha)) {
1310                /* Flip all colors. */
1311                if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1312                        /* Turn off. */
1313                        ha->beacon_color_state = 0;
1314                        *pflags = GPIO_LED_ALL_OFF;
1315                } else {
1316                        /* Turn on. */
1317                        ha->beacon_color_state = QLA_LED_ALL_ON;
1318                        *pflags = GPIO_LED_RGA_ON;
1319                }
1320        } else {
1321                /* Flip green led only. */
1322                if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1323                        /* Turn off. */
1324                        ha->beacon_color_state = 0;
1325                        *pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1326                } else {
1327                        /* Turn on. */
1328                        ha->beacon_color_state = QLA_LED_GRN_ON;
1329                        *pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1330                }
1331        }
1332}
1333
1334#define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1335
1336void
1337qla2x00_beacon_blink(struct scsi_qla_host *vha)
1338{
1339        uint16_t gpio_enable;
1340        uint16_t gpio_data;
1341        uint16_t led_color = 0;
1342        unsigned long flags;
1343        struct qla_hw_data *ha = vha->hw;
1344        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1345
1346        spin_lock_irqsave(&ha->hardware_lock, flags);
1347
1348        /* Save the Original GPIOE. */
1349        if (ha->pio_address) {
1350                gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1351                gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1352        } else {
1353                gpio_enable = RD_REG_WORD(&reg->gpioe);
1354                gpio_data = RD_REG_WORD(&reg->gpiod);
1355        }
1356
1357        /* Set the modified gpio_enable values */
1358        gpio_enable |= GPIO_LED_MASK;
1359
1360        if (ha->pio_address) {
1361                WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1362        } else {
1363                WRT_REG_WORD(&reg->gpioe, gpio_enable);
1364                RD_REG_WORD(&reg->gpioe);
1365        }
1366
1367        qla2x00_flip_colors(ha, &led_color);
1368
1369        /* Clear out any previously set LED color. */
1370        gpio_data &= ~GPIO_LED_MASK;
1371
1372        /* Set the new input LED color to GPIOD. */
1373        gpio_data |= led_color;
1374
1375        /* Set the modified gpio_data values */
1376        if (ha->pio_address) {
1377                WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1378        } else {
1379                WRT_REG_WORD(&reg->gpiod, gpio_data);
1380                RD_REG_WORD(&reg->gpiod);
1381        }
1382
1383        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1384}
1385
1386int
1387qla2x00_beacon_on(struct scsi_qla_host *vha)
1388{
1389        uint16_t gpio_enable;
1390        uint16_t gpio_data;
1391        unsigned long flags;
1392        struct qla_hw_data *ha = vha->hw;
1393        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1394
1395        ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1396        ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1397
1398        if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1399                qla_printk(KERN_WARNING, ha,
1400                    "Unable to update fw options (beacon on).\n");
1401                return QLA_FUNCTION_FAILED;
1402        }
1403
1404        /* Turn off LEDs. */
1405        spin_lock_irqsave(&ha->hardware_lock, flags);
1406        if (ha->pio_address) {
1407                gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1408                gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1409        } else {
1410                gpio_enable = RD_REG_WORD(&reg->gpioe);
1411                gpio_data = RD_REG_WORD(&reg->gpiod);
1412        }
1413        gpio_enable |= GPIO_LED_MASK;
1414
1415        /* Set the modified gpio_enable values. */
1416        if (ha->pio_address) {
1417                WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1418        } else {
1419                WRT_REG_WORD(&reg->gpioe, gpio_enable);
1420                RD_REG_WORD(&reg->gpioe);
1421        }
1422
1423        /* Clear out previously set LED colour. */
1424        gpio_data &= ~GPIO_LED_MASK;
1425        if (ha->pio_address) {
1426                WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1427        } else {
1428                WRT_REG_WORD(&reg->gpiod, gpio_data);
1429                RD_REG_WORD(&reg->gpiod);
1430        }
1431        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1432
1433        /*
1434         * Let the per HBA timer kick off the blinking process based on
1435         * the following flags. No need to do anything else now.
1436         */
1437        ha->beacon_blink_led = 1;
1438        ha->beacon_color_state = 0;
1439
1440        return QLA_SUCCESS;
1441}
1442
1443int
1444qla2x00_beacon_off(struct scsi_qla_host *vha)
1445{
1446        int rval = QLA_SUCCESS;
1447        struct qla_hw_data *ha = vha->hw;
1448
1449        ha->beacon_blink_led = 0;
1450
1451        /* Set the on flag so when it gets flipped it will be off. */
1452        if (IS_QLA2322(ha))
1453                ha->beacon_color_state = QLA_LED_ALL_ON;
1454        else
1455                ha->beacon_color_state = QLA_LED_GRN_ON;
1456
1457        ha->isp_ops->beacon_blink(vha); /* This turns green LED off */
1458
1459        ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1460        ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1461
1462        rval = qla2x00_set_fw_options(vha, ha->fw_options);
1463        if (rval != QLA_SUCCESS)
1464                qla_printk(KERN_WARNING, ha,
1465                    "Unable to update fw options (beacon off).\n");
1466        return rval;
1467}
1468
1469
1470static inline void
1471qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1472{
1473        /* Flip all colors. */
1474        if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1475                /* Turn off. */
1476                ha->beacon_color_state = 0;
1477                *pflags = 0;
1478        } else {
1479                /* Turn on. */
1480                ha->beacon_color_state = QLA_LED_ALL_ON;
1481                *pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1482        }
1483}
1484
1485void
1486qla24xx_beacon_blink(struct scsi_qla_host *vha)
1487{
1488        uint16_t led_color = 0;
1489        uint32_t gpio_data;
1490        unsigned long flags;
1491        struct qla_hw_data *ha = vha->hw;
1492        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1493
1494        /* Save the Original GPIOD. */
1495        spin_lock_irqsave(&ha->hardware_lock, flags);
1496        gpio_data = RD_REG_DWORD(&reg->gpiod);
1497
1498        /* Enable the gpio_data reg for update. */
1499        gpio_data |= GPDX_LED_UPDATE_MASK;
1500
1501        WRT_REG_DWORD(&reg->gpiod, gpio_data);
1502        gpio_data = RD_REG_DWORD(&reg->gpiod);
1503
1504        /* Set the color bits. */
1505        qla24xx_flip_colors(ha, &led_color);
1506
1507        /* Clear out any previously set LED color. */
1508        gpio_data &= ~GPDX_LED_COLOR_MASK;
1509
1510        /* Set the new input LED color to GPIOD. */
1511        gpio_data |= led_color;
1512
1513        /* Set the modified gpio_data values. */
1514        WRT_REG_DWORD(&reg->gpiod, gpio_data);
1515        gpio_data = RD_REG_DWORD(&reg->gpiod);
1516        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1517}
1518
1519int
1520qla24xx_beacon_on(struct scsi_qla_host *vha)
1521{
1522        uint32_t gpio_data;
1523        unsigned long flags;
1524        struct qla_hw_data *ha = vha->hw;
1525        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1526
1527        if (ha->beacon_blink_led == 0) {
1528                /* Enable firmware for update */
1529                ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1530
1531                if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1532                        return QLA_FUNCTION_FAILED;
1533
1534                if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1535                    QLA_SUCCESS) {
1536                        qla_printk(KERN_WARNING, ha,
1537                            "Unable to update fw options (beacon on).\n");
1538                        return QLA_FUNCTION_FAILED;
1539                }
1540
1541                spin_lock_irqsave(&ha->hardware_lock, flags);
1542                gpio_data = RD_REG_DWORD(&reg->gpiod);
1543
1544                /* Enable the gpio_data reg for update. */
1545                gpio_data |= GPDX_LED_UPDATE_MASK;
1546                WRT_REG_DWORD(&reg->gpiod, gpio_data);
1547                RD_REG_DWORD(&reg->gpiod);
1548
1549                spin_unlock_irqrestore(&ha->hardware_lock, flags);
1550        }
1551
1552        /* So all colors blink together. */
1553        ha->beacon_color_state = 0;
1554
1555        /* Let the per HBA timer kick off the blinking process. */
1556        ha->beacon_blink_led = 1;
1557
1558        return QLA_SUCCESS;
1559}
1560
1561int
1562qla24xx_beacon_off(struct scsi_qla_host *vha)
1563{
1564        uint32_t gpio_data;
1565        unsigned long flags;
1566        struct qla_hw_data *ha = vha->hw;
1567        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1568
1569        ha->beacon_blink_led = 0;
1570        ha->beacon_color_state = QLA_LED_ALL_ON;
1571
1572        ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */
1573
1574        /* Give control back to firmware. */
1575        spin_lock_irqsave(&ha->hardware_lock, flags);
1576        gpio_data = RD_REG_DWORD(&reg->gpiod);
1577
1578        /* Disable the gpio_data reg for update. */
1579        gpio_data &= ~GPDX_LED_UPDATE_MASK;
1580        WRT_REG_DWORD(&reg->gpiod, gpio_data);
1581        RD_REG_DWORD(&reg->gpiod);
1582        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1583
1584        ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1585
1586        if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1587                qla_printk(KERN_WARNING, ha,
1588                    "Unable to update fw options (beacon off).\n");
1589                return QLA_FUNCTION_FAILED;
1590        }
1591
1592        if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1593                qla_printk(KERN_WARNING, ha,
1594                    "Unable to get fw options (beacon off).\n");
1595                return QLA_FUNCTION_FAILED;
1596        }
1597
1598        return QLA_SUCCESS;
1599}
1600
1601
1602/*
1603 * Flash support routines
1604 */
1605
1606/**
1607 * qla2x00_flash_enable() - Setup flash for reading and writing.
1608 * @ha: HA context
1609 */
1610static void
1611qla2x00_flash_enable(struct qla_hw_data *ha)
1612{
1613        uint16_t data;
1614        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1615
1616        data = RD_REG_WORD(&reg->ctrl_status);
1617        data |= CSR_FLASH_ENABLE;
1618        WRT_REG_WORD(&reg->ctrl_status, data);
1619        RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1620}
1621
1622/**
1623 * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1624 * @ha: HA context
1625 */
1626static void
1627qla2x00_flash_disable(struct qla_hw_data *ha)
1628{
1629        uint16_t data;
1630        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1631
1632        data = RD_REG_WORD(&reg->ctrl_status);
1633        data &= ~(CSR_FLASH_ENABLE);
1634        WRT_REG_WORD(&reg->ctrl_status, data);
1635        RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1636}
1637
1638/**
1639 * qla2x00_read_flash_byte() - Reads a byte from flash
1640 * @ha: HA context
1641 * @addr: Address in flash to read
1642 *
1643 * A word is read from the chip, but, only the lower byte is valid.
1644 *
1645 * Returns the byte read from flash @addr.
1646 */
1647static uint8_t
1648qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
1649{
1650        uint16_t data;
1651        uint16_t bank_select;
1652        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1653
1654        bank_select = RD_REG_WORD(&reg->ctrl_status);
1655
1656        if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1657                /* Specify 64K address range: */
1658                /*  clear out Module Select and Flash Address bits [19:16]. */
1659                bank_select &= ~0xf8;
1660                bank_select |= addr >> 12 & 0xf0;
1661                bank_select |= CSR_FLASH_64K_BANK;
1662                WRT_REG_WORD(&reg->ctrl_status, bank_select);
1663                RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1664
1665                WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1666                data = RD_REG_WORD(&reg->flash_data);
1667
1668                return (uint8_t)data;
1669        }
1670
1671        /* Setup bit 16 of flash address. */
1672        if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1673                bank_select |= CSR_FLASH_64K_BANK;
1674                WRT_REG_WORD(&reg->ctrl_status, bank_select);
1675                RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1676        } else if (((addr & BIT_16) == 0) &&
1677            (bank_select & CSR_FLASH_64K_BANK)) {
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
1683        /* Always perform IO mapped accesses to the FLASH registers. */
1684        if (ha->pio_address) {
1685                uint16_t data2;
1686
1687                WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1688                do {
1689                        data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1690                        barrier();
1691                        cpu_relax();
1692                        data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1693                } while (data != data2);
1694        } else {
1695                WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1696                data = qla2x00_debounce_register(&reg->flash_data);
1697        }
1698
1699        return (uint8_t)data;
1700}
1701
1702/**
1703 * qla2x00_write_flash_byte() - Write a byte to flash
1704 * @ha: HA context
1705 * @addr: Address in flash to write
1706 * @data: Data to write
1707 */
1708static void
1709qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
1710{
1711        uint16_t bank_select;
1712        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1713
1714        bank_select = RD_REG_WORD(&reg->ctrl_status);
1715        if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1716                /* Specify 64K address range: */
1717                /*  clear out Module Select and Flash Address bits [19:16]. */
1718                bank_select &= ~0xf8;
1719                bank_select |= addr >> 12 & 0xf0;
1720                bank_select |= CSR_FLASH_64K_BANK;
1721                WRT_REG_WORD(&reg->ctrl_status, bank_select);
1722                RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1723
1724                WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1725                RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1726                WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1727                RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1728
1729                return;
1730        }
1731
1732        /* Setup bit 16 of flash address. */
1733        if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1734                bank_select |= CSR_FLASH_64K_BANK;
1735                WRT_REG_WORD(&reg->ctrl_status, bank_select);
1736                RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1737        } else if (((addr & BIT_16) == 0) &&
1738            (bank_select & CSR_FLASH_64K_BANK)) {
1739                bank_select &= ~(CSR_FLASH_64K_BANK);
1740                WRT_REG_WORD(&reg->ctrl_status, bank_select);
1741                RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
1742        }
1743
1744        /* Always perform IO mapped accesses to the FLASH registers. */
1745        if (ha->pio_address) {
1746                WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1747                WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
1748        } else {
1749                WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1750                RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1751                WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
1752                RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1753        }
1754}
1755
1756/**
1757 * qla2x00_poll_flash() - Polls flash for completion.
1758 * @ha: HA context
1759 * @addr: Address in flash to poll
1760 * @poll_data: Data to be polled
1761 * @man_id: Flash manufacturer ID
1762 * @flash_id: Flash ID
1763 *
1764 * This function polls the device until bit 7 of what is read matches data
1765 * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
1766 * out (a fatal error).  The flash book recommeds reading bit 7 again after
1767 * reading bit 5 as a 1.
1768 *
1769 * Returns 0 on success, else non-zero.
1770 */
1771static int
1772qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
1773    uint8_t man_id, uint8_t flash_id)
1774{
1775        int status;
1776        uint8_t flash_data;
1777        uint32_t cnt;
1778
1779        status = 1;
1780
1781        /* Wait for 30 seconds for command to finish. */
1782        poll_data &= BIT_7;
1783        for (cnt = 3000000; cnt; cnt--) {
1784                flash_data = qla2x00_read_flash_byte(ha, addr);
1785                if ((flash_data & BIT_7) == poll_data) {
1786                        status = 0;
1787                        break;
1788                }
1789
1790                if (man_id != 0x40 && man_id != 0xda) {
1791                        if ((flash_data & BIT_5) && cnt > 2)
1792                                cnt = 2;
1793                }
1794                udelay(10);
1795                barrier();
1796                cond_resched();
1797        }
1798        return status;
1799}
1800
1801/**
1802 * qla2x00_program_flash_address() - Programs a flash address
1803 * @ha: HA context
1804 * @addr: Address in flash to program
1805 * @data: Data to be written in flash
1806 * @man_id: Flash manufacturer ID
1807 * @flash_id: Flash ID
1808 *
1809 * Returns 0 on success, else non-zero.
1810 */
1811static int
1812qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
1813    uint8_t data, uint8_t man_id, uint8_t flash_id)
1814{
1815        /* Write Program Command Sequence. */
1816        if (IS_OEM_001(ha)) {
1817                qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1818                qla2x00_write_flash_byte(ha, 0x555, 0x55);
1819                qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
1820                qla2x00_write_flash_byte(ha, addr, data);
1821        } else {
1822                if (man_id == 0xda && flash_id == 0xc1) {
1823                        qla2x00_write_flash_byte(ha, addr, data);
1824                        if (addr & 0x7e)
1825                                return 0;
1826                } else {
1827                        qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1828                        qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1829                        qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
1830                        qla2x00_write_flash_byte(ha, addr, data);
1831                }
1832        }
1833
1834        udelay(150);
1835
1836        /* Wait for write to complete. */
1837        return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
1838}
1839
1840/**
1841 * qla2x00_erase_flash() - Erase the flash.
1842 * @ha: HA context
1843 * @man_id: Flash manufacturer ID
1844 * @flash_id: Flash ID
1845 *
1846 * Returns 0 on success, else non-zero.
1847 */
1848static int
1849qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
1850{
1851        /* Individual Sector Erase Command Sequence */
1852        if (IS_OEM_001(ha)) {
1853                qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1854                qla2x00_write_flash_byte(ha, 0x555, 0x55);
1855                qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
1856                qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
1857                qla2x00_write_flash_byte(ha, 0x555, 0x55);
1858                qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
1859        } else {
1860                qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1861                qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1862                qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1863                qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1864                qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1865                qla2x00_write_flash_byte(ha, 0x5555, 0x10);
1866        }
1867
1868        udelay(150);
1869
1870        /* Wait for erase to complete. */
1871        return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
1872}
1873
1874/**
1875 * qla2x00_erase_flash_sector() - Erase a flash sector.
1876 * @ha: HA context
1877 * @addr: Flash sector to erase
1878 * @sec_mask: Sector address mask
1879 * @man_id: Flash manufacturer ID
1880 * @flash_id: Flash ID
1881 *
1882 * Returns 0 on success, else non-zero.
1883 */
1884static int
1885qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
1886    uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
1887{
1888        /* Individual Sector Erase Command Sequence */
1889        qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1890        qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1891        qla2x00_write_flash_byte(ha, 0x5555, 0x80);
1892        qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1893        qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1894        if (man_id == 0x1f && flash_id == 0x13)
1895                qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
1896        else
1897                qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
1898
1899        udelay(150);
1900
1901        /* Wait for erase to complete. */
1902        return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
1903}
1904
1905/**
1906 * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
1907 * @man_id: Flash manufacturer ID
1908 * @flash_id: Flash ID
1909 */
1910static void
1911qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
1912    uint8_t *flash_id)
1913{
1914        qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1915        qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1916        qla2x00_write_flash_byte(ha, 0x5555, 0x90);
1917        *man_id = qla2x00_read_flash_byte(ha, 0x0000);
1918        *flash_id = qla2x00_read_flash_byte(ha, 0x0001);
1919        qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
1920        qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
1921        qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
1922}
1923
1924static void
1925qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
1926        uint32_t saddr, uint32_t length)
1927{
1928        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1929        uint32_t midpoint, ilength;
1930        uint8_t data;
1931
1932        midpoint = length / 2;
1933
1934        WRT_REG_WORD(&reg->nvram, 0);
1935        RD_REG_WORD(&reg->nvram);
1936        for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
1937                if (ilength == midpoint) {
1938                        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
1939                        RD_REG_WORD(&reg->nvram);
1940                }
1941                data = qla2x00_read_flash_byte(ha, saddr);
1942                if (saddr % 100)
1943                        udelay(10);
1944                *tmp_buf = data;
1945                cond_resched();
1946        }
1947}
1948
1949static inline void
1950qla2x00_suspend_hba(struct scsi_qla_host *vha)
1951{
1952        int cnt;
1953        unsigned long flags;
1954        struct qla_hw_data *ha = vha->hw;
1955        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1956
1957        /* Suspend HBA. */
1958        scsi_block_requests(vha->host);
1959        ha->isp_ops->disable_intrs(ha);
1960        set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1961
1962        /* Pause RISC. */
1963        spin_lock_irqsave(&ha->hardware_lock, flags);
1964        WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1965        RD_REG_WORD(&reg->hccr);
1966        if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1967                for (cnt = 0; cnt < 30000; cnt++) {
1968                        if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1969                                break;
1970                        udelay(100);
1971                }
1972        } else {
1973                udelay(10);
1974        }
1975        spin_unlock_irqrestore(&ha->hardware_lock, flags);
1976}
1977
1978static inline void
1979qla2x00_resume_hba(struct scsi_qla_host *vha)
1980{
1981        struct qla_hw_data *ha = vha->hw;
1982
1983        /* Resume HBA. */
1984        clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
1985        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1986        qla2xxx_wake_dpc(vha);
1987        qla2x00_wait_for_chip_reset(vha);
1988        scsi_unblock_requests(vha->host);
1989}
1990
1991uint8_t *
1992qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
1993    uint32_t offset, uint32_t length)
1994{
1995        uint32_t addr, midpoint;
1996        uint8_t *data;
1997        struct qla_hw_data *ha = vha->hw;
1998        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1999
2000        /* Suspend HBA. */
2001        qla2x00_suspend_hba(vha);
2002
2003        /* Go with read. */
2004        midpoint = ha->optrom_size / 2;
2005
2006        qla2x00_flash_enable(ha);
2007        WRT_REG_WORD(&reg->nvram, 0);
2008        RD_REG_WORD(&reg->nvram);               /* PCI Posting. */
2009        for (addr = offset, data = buf; addr < length; addr++, data++) {
2010                if (addr == midpoint) {
2011                        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2012                        RD_REG_WORD(&reg->nvram);       /* PCI Posting. */
2013                }
2014
2015                *data = qla2x00_read_flash_byte(ha, addr);
2016        }
2017        qla2x00_flash_disable(ha);
2018
2019        /* Resume HBA. */
2020        qla2x00_resume_hba(vha);
2021
2022        return buf;
2023}
2024
2025int
2026qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2027    uint32_t offset, uint32_t length)
2028{
2029
2030        int rval;
2031        uint8_t man_id, flash_id, sec_number, data;
2032        uint16_t wd;
2033        uint32_t addr, liter, sec_mask, rest_addr;
2034        struct qla_hw_data *ha = vha->hw;
2035        struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2036
2037        /* Suspend HBA. */
2038        qla2x00_suspend_hba(vha);
2039
2040        rval = QLA_SUCCESS;
2041        sec_number = 0;
2042
2043        /* Reset ISP chip. */
2044        WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2045        pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2046
2047        /* Go with write. */
2048        qla2x00_flash_enable(ha);
2049        do {    /* Loop once to provide quick error exit */
2050                /* Structure of flash memory based on manufacturer */
2051                if (IS_OEM_001(ha)) {
2052                        /* OEM variant with special flash part. */
2053                        man_id = flash_id = 0;
2054                        rest_addr = 0xffff;
2055                        sec_mask   = 0x10000;
2056                        goto update_flash;
2057                }
2058                qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2059                switch (man_id) {
2060                case 0x20: /* ST flash. */
2061                        if (flash_id == 0xd2 || flash_id == 0xe3) {
2062                                /*
2063                                 * ST m29w008at part - 64kb sector size with
2064                                 * 32kb,8kb,8kb,16kb sectors at memory address
2065                                 * 0xf0000.
2066                                 */
2067                                rest_addr = 0xffff;
2068                                sec_mask = 0x10000;
2069                                break;   
2070                        }
2071                        /*
2072                         * ST m29w010b part - 16kb sector size
2073                         * Default to 16kb sectors
2074                         */
2075                        rest_addr = 0x3fff;
2076                        sec_mask = 0x1c000;
2077                        break;
2078                case 0x40: /* Mostel flash. */
2079                        /* Mostel v29c51001 part - 512 byte sector size. */
2080                        rest_addr = 0x1ff;
2081                        sec_mask = 0x1fe00;
2082                        break;
2083                case 0xbf: /* SST flash. */
2084                        /* SST39sf10 part - 4kb sector size. */
2085                        rest_addr = 0xfff;
2086                        sec_mask = 0x1f000;
2087                        break;
2088                case 0xda: /* Winbond flash. */
2089                        /* Winbond W29EE011 part - 256 byte sector size. */
2090                        rest_addr = 0x7f;
2091                        sec_mask = 0x1ff80;
2092                        break;
2093                case 0xc2: /* Macronix flash. */
2094                        /* 64k sector size. */
2095                        if (flash_id == 0x38 || flash_id == 0x4f) {
2096                                rest_addr = 0xffff;
2097                                sec_mask = 0x10000;
2098                                break;
2099                        }
2100                        /* Fall through... */
2101
2102                case 0x1f: /* Atmel flash. */
2103                        /* 512k sector size. */
2104                        if (flash_id == 0x13) {
2105                                rest_addr = 0x7fffffff;
2106                                sec_mask =   0x80000000;
2107                                break;
2108                        }
2109                        /* Fall through... */
2110
2111                case 0x01: /* AMD flash. */
2112                        if (flash_id == 0x38 || flash_id == 0x40 ||
2113                            flash_id == 0x4f) {
2114                                /* Am29LV081 part - 64kb sector size. */
2115                                /* Am29LV002BT part - 64kb sector size. */
2116                                rest_addr = 0xffff;
2117                                sec_mask = 0x10000;
2118                                break;
2119                        } else if (flash_id == 0x3e) {
2120                                /*
2121                                 * Am29LV008b part - 64kb sector size with
2122                                 * 32kb,8kb,8kb,16kb sector at memory address
2123                                 * h0xf0000.
2124                                 */
2125                                rest_addr = 0xffff;
2126                                sec_mask = 0x10000;
2127                                break;
2128                        } else if (flash_id == 0x20 || flash_id == 0x6e) {
2129                                /*
2130                                 * Am29LV010 part or AM29f010 - 16kb sector
2131                                 * size.
2132                                 */
2133                                rest_addr = 0x3fff;
2134                                sec_mask = 0x1c000;
2135                                break;
2136                        } else if (flash_id == 0x6d) {
2137                                /* Am29LV001 part - 8kb sector size. */
2138                                rest_addr = 0x1fff;
2139                                sec_mask = 0x1e000;
2140                                break;
2141                        }
2142                default:
2143                        /* Default to 16 kb sector size. */
2144                        rest_addr = 0x3fff;
2145                        sec_mask = 0x1c000;
2146                        break;
2147                }
2148
2149update_flash:
2150                if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2151                        if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2152                                rval = QLA_FUNCTION_FAILED;
2153                                break;
2154                        }
2155                }
2156
2157                for (addr = offset, liter = 0; liter < length; liter++,
2158                    addr++) {
2159                        data = buf[liter];
2160                        /* Are we at the beginning of a sector? */
2161                        if ((addr & rest_addr) == 0) {
2162                                if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2163                                        if (addr >= 0x10000UL) {
2164                                                if (((addr >> 12) & 0xf0) &&
2165                                                    ((man_id == 0x01 &&
2166                                                        flash_id == 0x3e) ||
2167                                                     (man_id == 0x20 &&
2168                                                         flash_id == 0xd2))) {
2169                                                        sec_number++;
2170                                                        if (sec_number == 1) {
2171                                                                rest_addr =
2172                                                                    0x7fff;
2173                                                                sec_mask =
2174                                                                    0x18000;
2175                                                        } else if (
2176                                                            sec_number == 2 ||
2177                                                            sec_number == 3) {
2178                                                                rest_addr =
2179                                                                    0x1fff;
2180                                                                sec_mask =
2181                                                                    0x1e000;
2182                                                        } else if (
2183                                                            sec_number == 4) {
2184                                                                rest_addr =
2185                                                                    0x3fff;
2186                                                                sec_mask =
2187                                                                    0x1c000;
2188                                                        }
2189                                                }
2190                                        }
2191                                } else if (addr == ha->optrom_size / 2) {
2192                                        WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2193                                        RD_REG_WORD(&reg->nvram);
2194                                }
2195
2196                                if (flash_id == 0xda && man_id == 0xc1) {
2197                                        qla2x00_write_flash_byte(ha, 0x5555,
2198                                            0xaa);
2199                                        qla2x00_write_flash_byte(ha, 0x2aaa,
2200                                            0x55);
2201                                        qla2x00_write_flash_byte(ha, 0x5555,
2202                                            0xa0);
2203                                } else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2204                                        /* Then erase it */
2205                                        if (qla2x00_erase_flash_sector(ha,
2206                                            addr, sec_mask, man_id,
2207                                            flash_id)) {
2208                                                rval = QLA_FUNCTION_FAILED;
2209                                                break;
2210                                        }
2211                                        if (man_id == 0x01 && flash_id == 0x6d)
2212                                                sec_number++;
2213                                }
2214                        }
2215
2216                        if (man_id == 0x01 && flash_id == 0x6d) {
2217                                if (sec_number == 1 &&
2218                                    addr == (rest_addr - 1)) {
2219                                        rest_addr = 0x0fff;
2220                                        sec_mask   = 0x1f000;
2221                                } else if (sec_number == 3 && (addr & 0x7ffe)) {
2222                                        rest_addr = 0x3fff;
2223                                        sec_mask   = 0x1c000;
2224                                }
2225                        }
2226
2227                        if (qla2x00_program_flash_address(ha, addr, data,
2228                            man_id, flash_id)) {
2229                                rval = QLA_FUNCTION_FAILED;
2230                                break;
2231                        }
2232                        cond_resched();
2233                }
2234        } while (0);
2235        qla2x00_flash_disable(ha);
2236
2237        /* Resume HBA. */
2238        qla2x00_resume_hba(vha);
2239
2240        return rval;
2241}
2242
2243uint8_t *
2244qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2245    uint32_t offset, uint32_t length)
2246{
2247        struct qla_hw_data *ha = vha->hw;
2248
2249        /* Suspend HBA. */
2250        scsi_block_requests(vha->host);
2251        set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2252
2253        /* Go with read. */
2254        qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
2255
2256        /* Resume HBA. */
2257        clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2258        scsi_unblock_requests(vha->host);
2259
2260        return buf;
2261}
2262
2263int
2264qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2265    uint32_t offset, uint32_t length)
2266{
2267        int rval;
2268        struct qla_hw_data *ha = vha->hw;
2269
2270        /* Suspend HBA. */
2271        scsi_block_requests(vha->host);
2272        set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2273
2274        /* Go with write. */
2275        rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
2276            length >> 2);
2277
2278        clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2279        scsi_unblock_requests(vha->host);
2280
2281        return rval;
2282}
2283
2284uint8_t *
2285qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2286    uint32_t offset, uint32_t length)
2287{
2288        int rval;
2289        dma_addr_t optrom_dma;
2290        void *optrom;
2291        uint8_t *pbuf;
2292        uint32_t faddr, left, burst;
2293        struct qla_hw_data *ha = vha->hw;
2294
2295        if (offset & 0xfff)
2296                goto slow_read;
2297        if (length < OPTROM_BURST_SIZE)
2298                goto slow_read;
2299
2300        optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2301            &optrom_dma, GFP_KERNEL);
2302        if (!optrom) {
2303                qla_printk(KERN_DEBUG, ha,
2304                    "Unable to allocate memory for optrom burst read "
2305                    "(%x KB).\n", OPTROM_BURST_SIZE / 1024);
2306
2307                goto slow_read;
2308        }
2309
2310        pbuf = buf;
2311        faddr = offset >> 2;
2312        left = length >> 2;
2313        burst = OPTROM_BURST_DWORDS;
2314        while (left != 0) {
2315                if (burst > left)
2316                        burst = left;
2317
2318                rval = qla2x00_dump_ram(vha, optrom_dma,
2319                    flash_data_addr(ha, faddr), burst);
2320                if (rval) {
2321                        qla_printk(KERN_WARNING, ha,
2322                            "Unable to burst-read optrom segment "
2323                            "(%x/%x/%llx).\n", rval,
2324                            flash_data_addr(ha, faddr),
2325                            (unsigned long long)optrom_dma);
2326                        qla_printk(KERN_WARNING, ha,
2327                            "Reverting to slow-read.\n");
2328
2329                        dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2330                            optrom, optrom_dma);
2331                        goto slow_read;
2332                }
2333
2334                memcpy(pbuf, optrom, burst * 4);
2335
2336                left -= burst;
2337                faddr += burst;
2338                pbuf += burst * 4;
2339        }
2340
2341        dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
2342            optrom_dma);
2343
2344        return buf;
2345
2346slow_read:
2347    return qla24xx_read_optrom_data(vha, buf, offset, length);
2348}
2349
2350/**
2351 * qla2x00_get_fcode_version() - Determine an FCODE image's version.
2352 * @ha: HA context
2353 * @pcids: Pointer to the FCODE PCI data structure
2354 *
2355 * The process of retrieving the FCODE version information is at best
2356 * described as interesting.
2357 *
2358 * Within the first 100h bytes of the image an ASCII string is present
2359 * which contains several pieces of information including the FCODE
2360 * version.  Unfortunately it seems the only reliable way to retrieve
2361 * the version is by scanning for another sentinel within the string,
2362 * the FCODE build date:
2363 *
2364 *      ... 2.00.02 10/17/02 ...
2365 *
2366 * Returns QLA_SUCCESS on successful retrieval of version.
2367 */
2368static void
2369qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
2370{
2371        int ret = QLA_FUNCTION_FAILED;
2372        uint32_t istart, iend, iter, vend;
2373        uint8_t do_next, rbyte, *vbyte;
2374
2375        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2376
2377        /* Skip the PCI data structure. */
2378        istart = pcids +
2379            ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2380                qla2x00_read_flash_byte(ha, pcids + 0x0A));
2381        iend = istart + 0x100;
2382        do {
2383                /* Scan for the sentinel date string...eeewww. */
2384                do_next = 0;
2385                iter = istart;
2386                while ((iter < iend) && !do_next) {
2387                        iter++;
2388                        if (qla2x00_read_flash_byte(ha, iter) == '/') {
2389                                if (qla2x00_read_flash_byte(ha, iter + 2) ==
2390                                    '/')
2391                                        do_next++;
2392                                else if (qla2x00_read_flash_byte(ha,
2393                                    iter + 3) == '/')
2394                                        do_next++;
2395                        }
2396                }
2397                if (!do_next)
2398                        break;
2399
2400                /* Backtrack to previous ' ' (space). */
2401                do_next = 0;
2402                while ((iter > istart) && !do_next) {
2403                        iter--;
2404                        if (qla2x00_read_flash_byte(ha, iter) == ' ')
2405                                do_next++;
2406                }
2407                if (!do_next)
2408                        break;
2409
2410                /*
2411                 * Mark end of version tag, and find previous ' ' (space) or
2412                 * string length (recent FCODE images -- major hack ahead!!!).
2413                 */
2414                vend = iter - 1;
2415                do_next = 0;
2416                while ((iter > istart) && !do_next) {
2417                        iter--;
2418                        rbyte = qla2x00_read_flash_byte(ha, iter);
2419                        if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2420                                do_next++;
2421                }
2422                if (!do_next)
2423                        break;
2424
2425                /* Mark beginning of version tag, and copy data. */
2426                iter++;
2427                if ((vend - iter) &&
2428                    ((vend - iter) < sizeof(ha->fcode_revision))) {
2429                        vbyte = ha->fcode_revision;
2430                        while (iter <= vend) {
2431                                *vbyte++ = qla2x00_read_flash_byte(ha, iter);
2432                                iter++;
2433                        }
2434                        ret = QLA_SUCCESS;
2435                }
2436        } while (0);
2437
2438        if (ret != QLA_SUCCESS)
2439                memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2440}
2441
2442int
2443qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2444{
2445        int ret = QLA_SUCCESS;
2446        uint8_t code_type, last_image;
2447        uint32_t pcihdr, pcids;
2448        uint8_t *dbyte;
2449        uint16_t *dcode;
2450        struct qla_hw_data *ha = vha->hw;
2451
2452        if (!ha->pio_address || !mbuf)
2453                return QLA_FUNCTION_FAILED;
2454
2455        memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2456        memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2457        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2458        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2459
2460        qla2x00_flash_enable(ha);
2461
2462        /* Begin with first PCI expansion ROM header. */
2463        pcihdr = 0;
2464        last_image = 1;
2465        do {
2466                /* Verify PCI expansion ROM header. */
2467                if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2468                    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2469                        /* No signature */
2470                        DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2471                            "signature.\n"));
2472                        ret = QLA_FUNCTION_FAILED;
2473                        break;
2474                }
2475
2476                /* Locate PCI data structure. */
2477                pcids = pcihdr +
2478                    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2479                        qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2480
2481                /* Validate signature of PCI data structure. */
2482                if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2483                    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2484                    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2485                    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2486                        /* Incorrect header. */
2487                        DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2488                            "found pcir_adr=%x.\n", pcids));
2489                        ret = QLA_FUNCTION_FAILED;
2490                        break;
2491                }
2492
2493                /* Read version */
2494                code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2495                switch (code_type) {
2496                case ROM_CODE_TYPE_BIOS:
2497                        /* Intel x86, PC-AT compatible. */
2498                        ha->bios_revision[0] =
2499                            qla2x00_read_flash_byte(ha, pcids + 0x12);
2500                        ha->bios_revision[1] =
2501                            qla2x00_read_flash_byte(ha, pcids + 0x13);
2502                        DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2503                            ha->bios_revision[1], ha->bios_revision[0]));
2504                        break;
2505                case ROM_CODE_TYPE_FCODE:
2506                        /* Open Firmware standard for PCI (FCode). */
2507                        /* Eeeewww... */
2508                        qla2x00_get_fcode_version(ha, pcids);
2509                        break;
2510                case ROM_CODE_TYPE_EFI:
2511                        /* Extensible Firmware Interface (EFI). */
2512                        ha->efi_revision[0] =
2513                            qla2x00_read_flash_byte(ha, pcids + 0x12);
2514                        ha->efi_revision[1] =
2515                            qla2x00_read_flash_byte(ha, pcids + 0x13);
2516                        DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2517                            ha->efi_revision[1], ha->efi_revision[0]));
2518                        break;
2519                default:
2520                        DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2521                            "type %x at pcids %x.\n", code_type, pcids));
2522                        break;
2523                }
2524
2525                last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2526
2527                /* Locate next PCI expansion ROM. */
2528                pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2529                    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2530        } while (!last_image);
2531
2532        if (IS_QLA2322(ha)) {
2533                /* Read firmware image information. */
2534                memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2535                dbyte = mbuf;
2536                memset(dbyte, 0, 8);
2537                dcode = (uint16_t *)dbyte;
2538
2539                qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2540                    8);
2541                DEBUG3(qla_printk(KERN_DEBUG, ha, "dumping fw ver from "
2542                    "flash:\n"));
2543                DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
2544
2545                if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2546                    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2547                    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2548                    dcode[3] == 0)) {
2549                        DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2550                            "revision at %x.\n", ha->flt_region_fw * 4));
2551                } else {
2552                        /* values are in big endian */
2553                        ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2554                        ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2555                        ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2556                }
2557        }
2558
2559        qla2x00_flash_disable(ha);
2560
2561        return ret;
2562}
2563
2564int
2565qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2566{
2567        int ret = QLA_SUCCESS;
2568        uint32_t pcihdr, pcids;
2569        uint32_t *dcode;
2570        uint8_t *bcode;
2571        uint8_t code_type, last_image;
2572        int i;
2573        struct qla_hw_data *ha = vha->hw;
2574
2575        if (!mbuf)
2576                return QLA_FUNCTION_FAILED;
2577
2578        memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2579        memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2580        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2581        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2582
2583        dcode = mbuf;
2584
2585        /* Begin with first PCI expansion ROM header. */
2586        pcihdr = ha->flt_region_boot << 2;
2587        last_image = 1;
2588        do {
2589                /* Verify PCI expansion ROM header. */
2590                qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
2591                bcode = mbuf + (pcihdr % 4);
2592                if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2593                        /* No signature */
2594                        DEBUG2(qla_printk(KERN_DEBUG, ha, "No matching ROM "
2595                            "signature.\n"));
2596                        ret = QLA_FUNCTION_FAILED;
2597                        break;
2598                }
2599
2600                /* Locate PCI data structure. */
2601                pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2602
2603                qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
2604                bcode = mbuf + (pcihdr % 4);
2605
2606                /* Validate signature of PCI data structure. */
2607                if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2608                    bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2609                        /* Incorrect header. */
2610                        DEBUG2(qla_printk(KERN_INFO, ha, "PCI data struct not "
2611                            "found pcir_adr=%x.\n", pcids));
2612                        ret = QLA_FUNCTION_FAILED;
2613                        break;
2614                }
2615
2616                /* Read version */
2617                code_type = bcode[0x14];
2618                switch (code_type) {
2619                case ROM_CODE_TYPE_BIOS:
2620                        /* Intel x86, PC-AT compatible. */
2621                        ha->bios_revision[0] = bcode[0x12];
2622                        ha->bios_revision[1] = bcode[0x13];
2623                        DEBUG3(qla_printk(KERN_DEBUG, ha, "read BIOS %d.%d.\n",
2624                            ha->bios_revision[1], ha->bios_revision[0]));
2625                        break;
2626                case ROM_CODE_TYPE_FCODE:
2627                        /* Open Firmware standard for PCI (FCode). */
2628                        ha->fcode_revision[0] = bcode[0x12];
2629                        ha->fcode_revision[1] = bcode[0x13];
2630                        DEBUG3(qla_printk(KERN_DEBUG, ha, "read FCODE %d.%d.\n",
2631                            ha->fcode_revision[1], ha->fcode_revision[0]));
2632                        break;
2633                case ROM_CODE_TYPE_EFI:
2634                        /* Extensible Firmware Interface (EFI). */
2635                        ha->efi_revision[0] = bcode[0x12];
2636                        ha->efi_revision[1] = bcode[0x13];
2637                        DEBUG3(qla_printk(KERN_DEBUG, ha, "read EFI %d.%d.\n",
2638                            ha->efi_revision[1], ha->efi_revision[0]));
2639                        break;
2640                default:
2641                        DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized code "
2642                            "type %x at pcids %x.\n", code_type, pcids));
2643                        break;
2644                }
2645
2646                last_image = bcode[0x15] & BIT_7;
2647
2648                /* Locate next PCI expansion ROM. */
2649                pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2650        } while (!last_image);
2651
2652        /* Read firmware image information. */
2653        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2654        dcode = mbuf;
2655
2656        qla24xx_read_flash_data(vha, dcode, ha->flt_region_fw + 4, 4);
2657        for (i = 0; i < 4; i++)
2658                dcode[i] = be32_to_cpu(dcode[i]);
2659
2660        if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
2661            dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
2662            (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2663            dcode[3] == 0)) {
2664                DEBUG2(qla_printk(KERN_INFO, ha, "Unrecognized fw "
2665                    "revision at %x.\n", ha->flt_region_fw * 4));
2666        } else {
2667                ha->fw_revision[0] = dcode[0];
2668                ha->fw_revision[1] = dcode[1];
2669                ha->fw_revision[2] = dcode[2];
2670                ha->fw_revision[3] = dcode[3];
2671        }
2672
2673        return ret;
2674}
2675
2676static int
2677qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
2678{
2679        if (pos >= end || *pos != 0x82)
2680                return 0;
2681
2682        pos += 3 + pos[1];
2683        if (pos >= end || *pos != 0x90)
2684                return 0;
2685
2686        pos += 3 + pos[1];
2687        if (pos >= end || *pos != 0x78)
2688                return 0;
2689
2690        return 1;
2691}
2692
2693int
2694qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
2695{
2696        struct qla_hw_data *ha = vha->hw;
2697        uint8_t *pos = ha->vpd;
2698        uint8_t *end = pos + ha->vpd_size;
2699        int len = 0;
2700
2701        if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
2702                return 0;
2703
2704        while (pos < end && *pos != 0x78) {
2705                len = (*pos == 0x82) ? pos[1] : pos[2];
2706
2707                if (!strncmp(pos, key, strlen(key)))
2708                        break;
2709
2710                if (*pos != 0x90 && *pos != 0x91)
2711                        pos += len;
2712
2713                pos += 3;
2714        }
2715
2716        if (pos < end - len && *pos != 0x78)
2717                return snprintf(str, size, "%.*s", len, pos + 3);
2718
2719        return 0;
2720}
2721