Gilbert Wu wrote:
> diff -urN a/drivers/scsi/aic94xx/aic94xx_init.c
> b/drivers/scsi/aic94xx/aic94xx_init.c ---
> a/drivers/scsi/aic94xx/aic94xx_init.c 2007-10-10 17:13:29.000000000 -0700
> +++ b/drivers/scsi/aic94xx/aic94xx_init.c 2007-10-11 19:31:03.000000000
> -0700
> @@ -313,6 +315,180 @@
> }
> static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
>
> +#define FLASH_CMD_NONE 0x00
> +#define FLASH_CMD_UPDATE 0x01
> +#define FLASH_CMD_VERIFY 0x02
> +
> +struct flash_command {
> + u8 command[8];
> + int code;
> +};
> +
> +static struct flash_command flash_command_table[] =
> +{
> + {"verify", FLASH_CMD_VERIFY},
> + {"update", FLASH_CMD_UPDATE},
> + {"", FLASH_CMD_NONE} /* Last entry should be NULL. */
> +};
> +
> +
> +struct error_bios{ char *reason; int err_code;
> +};
Make this definition multi-line like the one of flash_command above.
> diff -urN a/drivers/scsi/aic94xx/aic94xx_sds.c
> b/drivers/scsi/aic94xx/aic94xx_sds.c ---
> a/drivers/scsi/aic94xx/aic94xx_sds.c 2007-10-10 17:13:43.000000000 -0700
> +++ b/drivers/scsi/aic94xx/aic94xx_sds.c 2007-10-11 18:38:09.000000000
> -0700
> @@ -1083,3 +1084,432 @@
> kfree(flash_dir);
> return err;
> }
> +
> +/**
> + * asd_verify_flash_seg - verify data with flash memory
> + * @asd_ha: pointer to the host adapter structure
> + * @src: pointer to the source data to be verified
> + * @dest_offset: offset from flash memory
> + * @bytes_to_verify: total bytes to verify
> + */
> +int asd_verify_flash_seg(struct asd_ha_struct *asd_ha,
> + void *src, u32 dest_offset, u32 bytes_to_verify)
> +{
> + u8 *src_buf;
> + u8 flash_char;
> + int err;
> + u32 nv_offset, reg, i;
> +
> +
Double newline.
> + reg = asd_ha->hw_prof.flash.bar;
> + src_buf = NULL;
> +
> + err = FLASH_OK;
> + nv_offset = dest_offset;
> + src_buf = (u8 *)src;
> + for (i = 0; i < bytes_to_verify; i++) {
> +
> + flash_char = asd_read_reg_byte(asd_ha, reg + nv_offset + i);
> + if (flash_char != src_buf[i]) {
> + err = FAIL_VERIFY;
> + break;
> + }
> + }
> + return err;
> +}
> +
> +/**
> + * asd_write_flash_seg - write data into flash memory
> + * @asd_ha: pointer to the host adapter structure
> + * @src: pointer to the source data to be written
> + * @dest_offset: offset from flash memory
> + * @bytes_to_write: total bytes to write
> + */
> +int asd_write_flash_seg(struct asd_ha_struct *asd_ha,
> + void *src, u32 dest_offset, u32 bytes_to_write)
> +{
> + u8 *src_buf;
> + u32 nv_offset, reg, i;
> + int err;
> +
> +
Again.
> + reg = asd_ha->hw_prof.flash.bar;
> + src_buf = NULL;
> +
> + err = asd_check_flash_type(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't find the type of flash. err=%d\n", err);
> + return err;
> + }
> +
> + nv_offset = dest_offset;
> + err = asd_erase_nv_sector(asd_ha, nv_offset, bytes_to_write);
> + if (err) {
> + ASD_DPRINTK("Erase failed at offset:0x%x\n",
> + nv_offset);
> + return err;
> + }
> +
> + err = asd_reset_flash(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> +
> + src_buf = (u8 *)src;
> + for (i = 0; i < bytes_to_write; i++) {
> + /* Setup program command sequence */
> + switch (asd_ha->hw_prof.flash.method) {
> +
> + case FLASH_METHOD_A:
> + {
> + asd_write_reg_byte(asd_ha,
> + (reg + 0xAAA), 0xAA);
> + asd_write_reg_byte(asd_ha,
> + (reg + 0x555), 0x55);
> + asd_write_reg_byte(asd_ha,
> + (reg + 0xAAA), 0xA0);
> + asd_write_reg_byte(asd_ha,
> + (reg + nv_offset + i),
> + (*(src_buf + i)));
> + break;
> + }
> + case FLASH_METHOD_B:
> + {
> + asd_write_reg_byte(asd_ha,
> + (reg + 0x555), 0xAA);
> + asd_write_reg_byte(asd_ha,
> + (reg + 0x2AA), 0x55);
> + asd_write_reg_byte(asd_ha,
> + (reg + 0x555), 0xA0);
> + asd_write_reg_byte(asd_ha,
> + (reg + nv_offset + i),
> + (*(src_buf + i)));
> + break;
> + }
> + default:
> + break;
> + }
> + if (asd_chk_write_status(asd_ha,
> + (nv_offset + i), 0) != 0) {
> + ASD_DPRINTK("aicx: Write failed at offset:0x%x\n",
> + reg + nv_offset + i);
> + return FAIL_WRITE_FLASH;
> + }
> + }
> +
> + err = asd_reset_flash(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> + return 0;
> +}
> +
> +int asd_chk_write_status(struct asd_ha_struct *asd_ha,
> + u32 sector_addr, u8 erase_flag)
> +{
> + u32 reg;
> + u32 loop_cnt;
> + u8 nv_data1, nv_data2;
> + u8 toggle_bit1;
> +
> + /*
> + * Read from DQ2 requires sector address
> + * while it's dont care for DQ6
> + */
> + reg = asd_ha->hw_prof.flash.bar;
> +
> + for (loop_cnt = 0; loop_cnt < 50000; loop_cnt++) {
> + nv_data1 = asd_read_reg_byte(asd_ha, reg);
> + nv_data2 = asd_read_reg_byte(asd_ha, reg);
> +
> + toggle_bit1 = ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
> + ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
> +
> + if (toggle_bit1 == 0) {
> + return 0;
> + } else {
> + if (nv_data2 & FLASH_STATUS_BIT_MASK_DQ5) {
> + nv_data1 = asd_read_reg_byte(asd_ha,
> + reg);
> + nv_data2 = asd_read_reg_byte(asd_ha,
> + reg);
> + toggle_bit1 =
> + ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
> + ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
> +
> + if (toggle_bit1 == 0)
> + return 0;
> + }
> + }
> +
> + /*
> + * ERASE is a sector-by-sector operation and requires
> + * more time to finish while WRITE is byte-byte-byte
> + * operation and takes lesser time to finish.
> + *
> + * For some strange reason a reduced ERASE delay gives different
> + * behaviour across different spirit boards. Hence we set
> + * a optimum balance of 50mus for ERASE which works well
> + * across all boards.
> + */
> + if (erase_flag) {
> + udelay(FLASH_STATUS_ERASE_DELAY_COUNT);
> + } else {
> + udelay(FLASH_STATUS_WRITE_DELAY_COUNT);
> + }
> + }
> + return -1;
> +}
> +
> +/**
> + * asd_hwi_erase_nv_sector - Erase the flash memory sectors.
> + * @asd_ha: pointer to the host adapter structure
> + * @flash_addr: pointer to offset from flash memory
> + * @size: total bytes to erase.
> + */
> +int asd_erase_nv_sector(struct asd_ha_struct *asd_ha, u32 flash_addr, u32
> size) +{
> + u32 reg;
> + u32 sector_addr;
> +
> + reg = asd_ha->hw_prof.flash.bar;
> +
> + /* sector staring address */
> + sector_addr = flash_addr & FLASH_SECTOR_SIZE_MASK;
> +
> + /*
> + * Erasing an flash sector needs to be done in six consecutive
> + * write cyles.
> + */
> + while (sector_addr < flash_addr+size) {
> + switch (asd_ha->hw_prof.flash.method) {
> +
> + case FLASH_METHOD_A:
> + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
> + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0x80);
> + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
> + asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
> + break;
> +
> + case FLASH_METHOD_B:
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
> + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x80);
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
> + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
> + asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
> + break;
> +
> + default:
> + break;
> + }
> +
> + if (asd_chk_write_status(asd_ha, sector_addr, 1) != 0)
> + return FAIL_ERASE_FLASH;
> +
> + sector_addr += FLASH_SECTOR_SIZE;
> + }
> +
> + return 0;
> +}
> +
> +int asd_check_flash_type(struct asd_ha_struct *asd_ha)
> +{
> + u8 manuf_id;
> + u8 dev_id;
> + u8 sec_prot;
> + u32 inc;
> + u32 reg;
> + int err;
> +
> + /* get Flash memory base address */
> + reg = asd_ha->hw_prof.flash.bar;
> +
> +
Again.
> + /* Determine flash info */
> + err = asd_reset_flash(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> +
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_UNKNOWN;
> + asd_ha->hw_prof.flash.manuf = FLASH_MANUF_ID_UNKNOWN;
> + asd_ha->hw_prof.flash.dev_id = FLASH_DEV_ID_UNKNOWN;
> +
> + /* Get flash info. This would most likely be AMD Am29LV family flash.
> + * First try the sequence for word mode. It is the same as for
> + * 008B (byte mode only), 160B (word mode) and 800D (word mode).
> + */
> + inc = asd_ha->hw_prof.flash.wide ? 2 : 1;
> + asd_write_reg_byte(asd_ha, reg + 0xAAA, 0xAA);
> + asd_write_reg_byte(asd_ha, reg + 0x555, 0x55);
> + asd_write_reg_byte(asd_ha, reg + 0xAAA, 0x90);
> + manuf_id = asd_read_reg_byte(asd_ha, reg);
> + dev_id = asd_read_reg_byte(asd_ha, reg + inc);
> + sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
> + /* Get out of autoselect mode. */
> + err = asd_reset_flash(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> + ASD_DPRINTK("Flash MethodA manuf_id(0x%x) dev_id(0x%x) "
> + "sec_prot(0x%x)\n", manuf_id, dev_id, sec_prot);
> + err = asd_reset_flash(asd_ha);
> + if (err != 0)
> + return err;
> +
> + switch (manuf_id) {
> +
> + case FLASH_MANUF_ID_AMD:
> +
> + switch (sec_prot) {
> +
> + case FLASH_DEV_ID_AM29LV800DT:
> + case FLASH_DEV_ID_AM29LV640MT:
> + case FLASH_DEV_ID_AM29F800B:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
> + break;
> + default:
> + break;
> + }
> + break;
> +
> + case FLASH_MANUF_ID_ST:
> +
> + switch (sec_prot) {
> +
> + case FLASH_DEV_ID_STM29W800DT:
> + case FLASH_DEV_ID_STM29LV640:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
> + break;
> + default:
> + break;
> + }
> + break;
> +
> + case FLASH_MANUF_ID_FUJITSU:
> +
> + switch (sec_prot) {
> +
> + case FLASH_DEV_ID_MBM29LV800TE:
> + case FLASH_DEV_ID_MBM29DL800TA:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
> + break;
> +
> + }
> + break;
> +
> + case FLASH_MANUF_ID_MACRONIX:
> +
> + switch (sec_prot) {
> +
> + case FLASH_DEV_ID_MX29LV800BT:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
> + break;
> + }
> + break;
> + }
> +
> + if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN) {
> +
> + err = asd_reset_flash(asd_ha);
> + if (err) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> +
> + /* Issue Unlock sequence for AM29LV008BT */
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
> + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
> + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x90);
> + manuf_id = asd_read_reg_byte(asd_ha, reg);
> + dev_id = asd_read_reg_byte(asd_ha, reg + inc);
> + sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
> +
> + ASD_DPRINTK("Flash MethodB manuf_id(0x%x) dev_id(0x%x) sec_prot"
> + "(0x%x)\n", manuf_id, dev_id, sec_prot);
> +
> + err = asd_reset_flash(asd_ha);
> + if (err != 0) {
> + ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
> + return err;
> + }
> +
> + switch (manuf_id) {
> + case FLASH_MANUF_ID_AMD:
> +
> + switch (dev_id) {
> +
> + case FLASH_DEV_ID_AM29LV008BT:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
> + break;
> + default:
> + break;
> + }
> + break;
> +
> + case FLASH_MANUF_ID_ST:
> +
> + switch (dev_id) {
> +
> + case FLASH_DEV_ID_STM29008:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
> + break;
> + default:
> + break;
> + }
> + break;
> +
> + case FLASH_MANUF_ID_FUJITSU:
> +
> + switch (dev_id) {
> +
> + case FLASH_DEV_ID_MBM29LV008TA:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
> + break;
> +
> + }
> + break;
> +
> + case FLASH_MANUF_ID_INTEL:
> +
> + switch (dev_id) {
> +
> + case FLASH_DEV_ID_I28LV00TAT:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
> + break;
> +
> + }
> + break;
> +
> + case FLASH_MANUF_ID_MACRONIX:
> +
> + switch (dev_id) {
> +
> + case FLASH_DEV_ID_I28LV00TAT:
> + asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
> + break;
> +
> + }
> + break;
> +
> + default:
> + return FAIL_FIND_FLASH_ID;
> + }
> + }
> +
> + if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN)
> + return FAIL_FIND_FLASH_ID;
> +
> +
> + asd_ha->hw_prof.flash.manuf = manuf_id;
> + asd_ha->hw_prof.flash.dev_id = dev_id;
> + asd_ha->hw_prof.flash.sec_prot = sec_prot;
> + return 0;
> +}
> diff -urN a/drivers/scsi/aic94xx/aic94xx_sds.h
> b/drivers/scsi/aic94xx/aic94xx_sds.h ---
> a/drivers/scsi/aic94xx/aic94xx_sds.h 1969-12-31 16:00:00.000000000 -0800
> +++ b/drivers/scsi/aic94xx/aic94xx_sds.h 2007-10-11 18:38:06.000000000
> -0700 @@ -0,0 +1,167 @@
> +/*
> + * Aic94xx SAS/SATA driver hardware interface header file.
> + *
> + * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
> + * Copyright (C) 2005 Gilbert Wu <gilbert_wu@xxxxxxxxxxx>
> + *
> + * This file is licensed under GPLv2.
> + *
> + * This file is part of the aic94xx driver.
> + *
> + * The aic94xx driver is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; version 2 of the
> + * License.
> + *
> + * The aic94xx driver is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with the aic94xx driver; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
> USA + *
> + */
> +#ifndef _AIC94XX_SDS_H_
> +#define _AIC94XX_SDS_H_
> +
> +enum {
> + FLASH_METHOD_UNKNOWN,
> + FLASH_METHOD_A,
> + FLASH_METHOD_B
> +};
> +
> +#define FLASH_MANUF_ID_AMD 0x01
> +#define FLASH_MANUF_ID_ST 0x20
> +#define FLASH_MANUF_ID_FUJITSU 0x04
> +#define FLASH_MANUF_ID_MACRONIX 0xC2
> +#define FLASH_MANUF_ID_INTEL 0x89
> +#define FLASH_MANUF_ID_UNKNOWN 0xFF
> +
> +#define FLASH_DEV_ID_AM29LV008BT 0x3E
> +#define FLASH_DEV_ID_AM29LV800DT 0xDA
> +#define FLASH_DEV_ID_STM29W800DT 0xD7
> +#define FLASH_DEV_ID_STM29LV640 0xDE
> +#define FLASH_DEV_ID_STM29008 0xEA
> +#define FLASH_DEV_ID_MBM29LV800TE 0xDA
> +#define FLASH_DEV_ID_MBM29DL800TA 0x4A
> +#define FLASH_DEV_ID_MBM29LV008TA 0x3E
> +#define FLASH_DEV_ID_AM29LV640MT 0x7E
> +#define FLASH_DEV_ID_AM29F800B 0xD6
> +#define FLASH_DEV_ID_MX29LV800BT 0xDA
> +#define FLASH_DEV_ID_MX29LV008CT 0xDA
> +#define FLASH_DEV_ID_I28LV00TAT 0x3E
> +#define FLASH_DEV_ID_UNKNOWN 0xFF
> +/* status bit mask values */
> +#define FLASH_STATUS_BIT_MASK_DQ6 0x40
> +#define FLASH_STATUS_BIT_MASK_DQ5 0x20
> +#define FLASH_STATUS_BIT_MASK_DQ2 0x04
> +
> +/* minimum value in micro seconds needed for checking status */
> +#define FLASH_STATUS_ERASE_DELAY_COUNT 50
> +#define FLASH_STATUS_WRITE_DELAY_COUNT 25
> +
> +#define FLASH_SECTOR_SIZE 0x010000
> +#define FLASH_SECTOR_SIZE_MASK 0xffff0000
> +
> +
> +
> +#define FLASH_OK 0x000000
> +#define FAIL_OPEN_BIOS_FILE 0x000100
> +#define FAIL_CHECK_PCI_ID 0x000200
> +#define FAIL_CHECK_SUM 0x000300
> +#define FAIL_UNKNOWN 0x000400
> +#define FAIL_VERIFY 0x000500
> +#define FAIL_RESET_FLASH 0x000600
> +#define FAIL_FIND_FLASH_ID 0x000700
> +#define FAIL_ERASE_FLASH 0x000800
> +#define FAIL_WRITE_FLASH 0x000900
> +#define FAIL_FILE_SIZE 0x000a00
> +#define FAIL_PARAMETERS 0x000b00
> +#define FAIL_OUT_MEMORY 0x000c00
> +#define FLASH_IN_PROGRESS 0x001000
> +
> +
Double newline again.
> +struct controller_id
> +{
> + u32 vendor;
> + /* PCI Vendor ID */
> +
> + u32 device;
> + /* PCI Device ID */
> +
> + u32 sub_vendor;
> + /* PCI Subvendor ID */
> +
> + u32 sub_device;
> + /* PCI Subdevice ID */
> +
> +};
> +struct image_info
Newline missing here.
> +{
> + u32 ImageId;
> + /*Identifies the image(e.g 0=Footbridge image,1=Drawbridge image)*/
> +
> + u32 ImageOffset;
> + /*Offset of the image from the beginning of the file*/
> +
> + u32 ImageLength;
> + /*length of the image*/
> +
> + u32 ImageChecksum;
> + /*Image checksum*/
> +
> + u32 ImageVersion;
> + /*Version of the image, could be build number*/
> +};
> +
> +struct bios_file_header
> +{
> + u8 signature[32];
> + /* Signature/Cookie to identify the file*/
> + /* The signature above is only 25 characters long. */
> +
> + u32 checksum;
> + /*Entire file checksum with this field zero*/
> +
> + u32 antidote;
> + /*Entire file checksum antidote with this field 0xFFFFFFFF*/
> +
> + struct controller_id contrl_id;
> + /*Controller id to identify the controller whose images are*/
> + /*stored in the file. */
> +
> + u32 filelen;
> + /*Length of the entire file*/
> +
> + u32 chunk_num;
> + /*The chunk/part number of this DOS file in case the Image */
> + /*is stored in parts in multiple DOS files across floppies*/
> +
> + u32 total_chunks;
> + /*Total number of chunks/parts in which the image file is stored*/
> +
> + u32 num_images;
> + /*Number of images in the file,e.g Footbridge image, Drawbridge image*/
> +
> + u32 build_num;
> + /*Build number of the process that generated this image*/
> +
> + struct image_info image_header;
> +};
> +
> +int asd_verify_flash_seg(struct asd_ha_struct *asd_ha,
> + void *src, u32 dest_offset, u32 bytes_to_verify);
> +int asd_write_flash_seg(struct asd_ha_struct *asd_ha,
> + void *src, u32 dest_offset, u32 bytes_to_write);
> +int asd_chk_write_status(struct asd_ha_struct *asd_ha,
> + u32 sector_addr, u8 erase_flag);
> +int asd_check_flash_type(struct asd_ha_struct *asd_ha);
> +int asd_erase_nv_sector(struct asd_ha_struct *asd_ha,
> + u32 flash_addr, u32 size);
> +#endif
> +
> +
> +
> +
Trailing newline garbage.
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