static void qla2x00_nv_deselect(scsi_qla_host_t *);
static void qla2x00_nv_write(scsi_qla_host_t *, uint16_t);
-uint8_t qla2x00_read_flash_byte(scsi_qla_host_t *, uint32_t);
-static void qla2x00_write_flash_byte(scsi_qla_host_t *, uint32_t, uint8_t);
-static uint8_t qla2x00_poll_flash(scsi_qla_host_t *ha,
- uint32_t addr, uint8_t poll_data, uint8_t mid);
-static uint8_t qla2x00_program_flash_address(scsi_qla_host_t *ha,
- uint32_t addr, uint8_t data, uint8_t mid);
-static uint8_t qla2x00_erase_flash_sector(scsi_qla_host_t *ha,
- uint32_t addr, uint32_t sec_mask, uint8_t mid);
-
-uint8_t qla2x00_get_flash_manufacturer(scsi_qla_host_t *ha);
-uint16_t qla2x00_get_flash_version(scsi_qla_host_t *);
-uint16_t qla2x00_get_flash_image(scsi_qla_host_t *ha, uint8_t *image);
-uint16_t qla2x00_set_flash_image(scsi_qla_host_t *ha, uint8_t *image);
-
/*
* NVRAM support routines
RD_REG_WORD(®->nvram); /* PCI Posting. */
}
-/*
- * Flash support routines
- */
-
-/**
- * qla2x00_flash_enable() - Setup flash for reading and writing.
- * @ha: HA context
- */
-void
-qla2x00_flash_enable(scsi_qla_host_t *ha)
-{
- uint16_t data;
- device_reg_t *reg = ha->iobase;
-
- data = RD_REG_WORD(®->ctrl_status);
- data |= CSR_FLASH_ENABLE;
- WRT_REG_WORD(®->ctrl_status, data);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
-}
-
-/**
- * qla2x00_flash_disable() - Disable flash and allow RISC to run.
- * @ha: HA context
- */
-void
-qla2x00_flash_disable(scsi_qla_host_t *ha)
-{
- uint16_t data;
- device_reg_t *reg = ha->iobase;
-
- data = RD_REG_WORD(®->ctrl_status);
- data &= ~(CSR_FLASH_ENABLE);
- WRT_REG_WORD(®->ctrl_status, data);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
-}
-
-/**
- * qla2x00_read_flash_byte() - Reads a byte from flash
- * @ha: HA context
- * @addr: Address in flash to read
- *
- * A word is read from the chip, but, only the lower byte is valid.
- *
- * Returns the byte read from flash @addr.
- */
-uint8_t
-qla2x00_read_flash_byte(scsi_qla_host_t *ha, uint32_t addr)
-{
- uint16_t data;
- uint16_t bank_select;
- device_reg_t *reg = ha->iobase;
-
- /* Setup bit 16 of flash address. */
- bank_select = RD_REG_WORD(®->ctrl_status);
- if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
- bank_select |= CSR_FLASH_64K_BANK;
- WRT_REG_WORD(®->ctrl_status, bank_select);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- } else if (((addr & BIT_16) == 0) &&
- (bank_select & CSR_FLASH_64K_BANK)) {
- bank_select &= ~(CSR_FLASH_64K_BANK);
- WRT_REG_WORD(®->ctrl_status, bank_select);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- }
-
- /* The ISP2312 v2 chip cannot access the FLASH registers via MMIO. */
- if (IS_QLA2312(ha) && ha->product_id[3] == 0x2 && ha->pio_address) {
- uint16_t data2;
-
- reg = (device_reg_t *)ha->pio_address;
- outw((uint16_t)addr, (unsigned long)(®->flash_address));
- do {
- data = inw((unsigned long)(®->flash_data));
- barrier();
- cpu_relax();
- data2 = inw((unsigned long)(®->flash_data));
- } while (data != data2);
- } else {
- WRT_REG_WORD(®->flash_address, (uint16_t)addr);
- data = qla2x00_debounce_register(®->flash_data);
- }
-
- return ((uint8_t)data);
-}
-
-/**
- * qla2x00_write_flash_byte() - Write a byte to flash
- * @ha: HA context
- * @addr: Address in flash to write
- * @data: Data to write
- */
-static void
-qla2x00_write_flash_byte(scsi_qla_host_t *ha, uint32_t addr, uint8_t data)
-{
- uint16_t bank_select;
- device_reg_t *reg = ha->iobase;
-
- /* Setup bit 16 of flash address. */
- bank_select = RD_REG_WORD(®->ctrl_status);
- if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
- bank_select |= CSR_FLASH_64K_BANK;
- WRT_REG_WORD(®->ctrl_status, bank_select);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- } else if (((addr & BIT_16) == 0) &&
- (bank_select & CSR_FLASH_64K_BANK)) {
- bank_select &= ~(CSR_FLASH_64K_BANK);
- WRT_REG_WORD(®->ctrl_status, bank_select);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- }
-
- /* The ISP2312 v2 chip cannot access the FLASH registers via MMIO. */
- if (IS_QLA2312(ha) && ha->product_id[3] == 0x2 && ha->pio_address) {
- reg = (device_reg_t *)ha->pio_address;
- outw((uint16_t)addr, (unsigned long)(®->flash_address));
- outw((uint16_t)data, (unsigned long)(®->flash_data));
- } else {
- WRT_REG_WORD(®->flash_address, (uint16_t)addr);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- WRT_REG_WORD(®->flash_data, (uint16_t)data);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
- }
-}
-
-/**
- * qla2x00_poll_flash() - Polls flash for completion.
- * @ha: HA context
- * @addr: Address in flash to poll
- * @poll_data: Data to be polled
- * @mid: Flash manufacturer ID
- *
- * This function polls the device until bit 7 of what is read matches data
- * bit 7 or until data bit 5 becomes a 1. If that hapens, the flash ROM timed
- * out (a fatal error). The flash book recommeds reading bit 7 again after
- * reading bit 5 as a 1.
- *
- * Returns 0 on success, else non-zero.
- */
-static uint8_t
-qla2x00_poll_flash(scsi_qla_host_t *ha,
- uint32_t addr, uint8_t poll_data, uint8_t mid)
-{
- uint8_t status;
- uint8_t flash_data;
- uint32_t cnt;
- int failed_pass;
-
- status = 1;
- failed_pass = 1;
-
- /* Wait for 30 seconds for command to finish. */
- poll_data &= BIT_7;
- for (cnt = 3000000; cnt; cnt--) {
- flash_data = qla2x00_read_flash_byte(ha, addr);
- if ((flash_data & BIT_7) == poll_data) {
- status = 0;
- break;
- }
-
- if (mid != 0x40 && mid != 0xda) {
- if (flash_data & BIT_5)
- failed_pass--;
- if (failed_pass < 0)
- break;
- }
- udelay(10);
- barrier();
- }
- return (status);
-}
-
-/**
- * qla2x00_program_flash_address() - Programs a flash address
- * @ha: HA context
- * @addr: Address in flash to program
- * @data: Data to be written in flash
- * @mid: Flash manufacturer ID
- *
- * Returns 0 on success, else non-zero.
- */
-static uint8_t
-qla2x00_program_flash_address(scsi_qla_host_t *ha,
- uint32_t addr, uint8_t data, uint8_t mid)
-{
- /* Write Program Command Sequence */
- qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
- qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
- qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
- qla2x00_write_flash_byte(ha, addr, data);
-
- /* Wait for write to complete. */
- return (qla2x00_poll_flash(ha, addr, data, mid));
-}
-
-/**
- * qla2x00_erase_flash_sector() - Erase a flash sector.
- * @ha: HA context
- * @addr: Flash sector to erase
- * @sec_mask: Sector address mask
- * @mid: Flash manufacturer ID
- *
- * Returns 0 on success, else non-zero.
- */
-static uint8_t
-qla2x00_erase_flash_sector(scsi_qla_host_t *ha,
- uint32_t addr, uint32_t sec_mask, uint8_t mid)
-{
- /* Individual Sector Erase Command Sequence */
- qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
- qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
- qla2x00_write_flash_byte(ha, 0x5555, 0x80);
- qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
- qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
-
- if (mid == 0xda)
- qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
- else
- qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
-
- udelay(150);
-
- /* Wait for erase to complete. */
- return (qla2x00_poll_flash(ha, addr, 0x80, mid));
-}
-
-/**
- * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
- * @ha: HA context
- *
- * Returns the manufacturer's ID read from the flash chip.
- */
-uint8_t
-qla2x00_get_flash_manufacturer(scsi_qla_host_t *ha)
-{
- uint8_t manuf_id;
-
- qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
- qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
- qla2x00_write_flash_byte(ha, 0x5555, 0x90);
- manuf_id = qla2x00_read_flash_byte(ha, 0x0001);
-
- return (manuf_id);
-}
-
-/**
- * qla2x00_get_flash_version() - Read version information from flash.
- * @ha: HA context
- *
- * Returns QLA_SUCCESS on successful retrieval of flash version.
- */
-uint16_t
-qla2x00_get_flash_version(scsi_qla_host_t *ha)
-{
- uint16_t ret = QLA_SUCCESS;
- uint32_t loop_cnt = 1; /* this is for error exit only */
- uint32_t pcir_adr;
-
- /* The ISP2312 v2 chip cannot access the FLASH registers via MMIO. */
- if (IS_QLA2312(ha) && ha->product_id[3] == 0x2 && !ha->pio_address)
- ret = QLA_FUNCTION_FAILED;
-
- qla2x00_flash_enable(ha);
- do { /* Loop once to provide quick error exit */
- /* Match signature */
- if (!(qla2x00_read_flash_byte(ha, 0) == 0x55 &&
- qla2x00_read_flash_byte(ha, 1) == 0xaa)) {
- /* No signature */
- DEBUG2(printk("scsi(%ld): No matching FLASH "
- "signature.\n", ha->host_no));
- ret = QLA_FUNCTION_FAILED;
- break;
- }
-
- pcir_adr = qla2x00_read_flash_byte(ha, 0x18) & 0xff;
-
- /* validate signature of PCI data structure */
- if ((qla2x00_read_flash_byte(ha, pcir_adr)) == 'P' &&
- (qla2x00_read_flash_byte(ha, pcir_adr + 1)) == 'C' &&
- (qla2x00_read_flash_byte(ha, pcir_adr + 2)) == 'I' &&
- (qla2x00_read_flash_byte(ha, pcir_adr + 3)) == 'R') {
-
- /* Read version */
- ha->optrom_minor =
- qla2x00_read_flash_byte(ha, pcir_adr + 0x12);
- ha->optrom_major =
- qla2x00_read_flash_byte(ha, pcir_adr + 0x13);
- DEBUG3(printk("%s(): got %d.%d.\n",
- __func__, ha->optrom_major, ha->optrom_minor));
- } else {
- /* error */
- DEBUG2(printk("%s(): PCI data struct not found. "
- "pcir_adr=%x.\n",
- __func__, pcir_adr));
- ret = QLA_FUNCTION_FAILED;
- break;
- }
-
- } while (--loop_cnt);
- qla2x00_flash_disable(ha);
-
- return (ret);
-}
-
-/**
- * qla2x00_get_flash_image() - Read image from flash chip.
- * @ha: HA context
- * @image: Buffer to receive flash image
- *
- * Returns 0 on success, else non-zero.
- */
-uint16_t
-qla2x00_get_flash_image(scsi_qla_host_t *ha, uint8_t *image)
-{
- uint32_t addr;
- uint32_t midpoint;
- uint8_t *data;
- device_reg_t *reg = ha->iobase;
-
- midpoint = FLASH_IMAGE_SIZE / 2;
-
- qla2x00_flash_enable(ha);
- WRT_REG_WORD(®->nvram, 0);
- RD_REG_WORD(®->nvram); /* PCI Posting. */
- for (addr = 0, data = image; addr < FLASH_IMAGE_SIZE; addr++, data++) {
- if (addr == midpoint)
- WRT_REG_WORD(®->nvram, NVR_SELECT);
-
- *data = qla2x00_read_flash_byte(ha, addr);
- }
- qla2x00_flash_disable(ha);
-
- return (0);
-}
-
-/**
- * qla2x00_set_flash_image() - Write image to flash chip.
- * @ha: HA context
- * @image: Source image to write to flash
- *
- * Returns 0 on success, else non-zero.
- */
-uint16_t
-qla2x00_set_flash_image(scsi_qla_host_t *ha, uint8_t *image)
-{
- uint16_t status;
- uint32_t addr;
- uint32_t midpoint;
- uint32_t sec_mask;
- uint32_t rest_addr;
- uint8_t mid;
- uint8_t sec_number;
- uint8_t data;
- device_reg_t *reg = ha->iobase;
-
- status = 0;
- sec_number = 0;
-
- /* Reset ISP chip. */
- WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
- RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
-
- qla2x00_flash_enable(ha);
- do { /* Loop once to provide quick error exit */
- /* Structure of flash memory based on manufacturer */
- mid = qla2x00_get_flash_manufacturer(ha);
- if (mid == 0x6d) {
- // Am29LV001 part
- rest_addr = 0x1fff;
- sec_mask = 0x1e000;
- } else if (mid == 0x40) {
- // Mostel v29c51001 part
- rest_addr = 0x1ff;
- sec_mask = 0x1fe00;
- } else if (mid == 0xbf) {
- // SST39sf10 part
- rest_addr = 0xfff;
- sec_mask = 0x1f000;
- } else if (mid == 0xda) {
- // Winbond W29EE011 part
- rest_addr = 0x7f;
- sec_mask = 0x1ff80;
- addr = 0;
- if (qla2x00_erase_flash_sector(ha, addr, sec_mask,
- mid)) {
- status = 1;
- break;
- }
- } else {
- // Am29F010 part
- rest_addr = 0x3fff;
- sec_mask = 0x1c000;
- }
-
- midpoint = FLASH_IMAGE_SIZE / 2;
- for (addr = 0; addr < FLASH_IMAGE_SIZE; addr++) {
- data = *image++;
- /* Are we at the beginning of a sector? */
- if (!(addr & rest_addr)) {
- if (addr == midpoint)
- WRT_REG_WORD(®->nvram, NVR_SELECT);
-
- /* Then erase it */
- if (qla2x00_erase_flash_sector(ha, addr,
- sec_mask, mid)) {
- status = 1;
- break;
- }
-
- sec_number++;
- }
- if (mid == 0x6d) {
- if (sec_number == 1 &&
- (addr == (rest_addr - 1))) {
- rest_addr = 0x0fff;
- sec_mask = 0x1f000;
- } else if (sec_number == 3 && (addr & 0x7ffe)) {
- rest_addr = 0x3fff;
- sec_mask = 0x1c000;
- }
- }
-
- if (qla2x00_program_flash_address(ha, addr, data,
- mid)) {
- status = 1;
- break;
- }
- }
- } while (0);
-
- qla2x00_flash_disable(ha);
-
- return (status);
-}
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