diff options
author | Alexis Bruemmer <alexisb@us.ibm.com> | 2006-09-07 17:32:16 -0400 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-09-23 12:47:00 -0400 |
commit | f2d719c65ad8f10afa7bec11315faa7badf4ecb9 (patch) | |
tree | 79b3c96a313d24e40a9a0856a739e485e4a01bb4 | |
parent | 65396410af63db90d6428c678ff84aa652c3c1ec (diff) |
[SCSI] aic94xx: Removes Reliance on FLASH Manufacture IDs
This patch removes the reliance on FLASH Manufacture IDs for validation.
Signed-off-by: Alexis Bruemmer <alexisb@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
-rw-r--r-- | drivers/scsi/aic94xx/aic94xx_sds.c | 51 |
1 files changed, 2 insertions, 49 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index eec1e0db0e0f..83574b5b4e69 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c | |||
@@ -376,7 +376,6 @@ out: | |||
376 | /* ---------- FLASH stuff ---------- */ | 376 | /* ---------- FLASH stuff ---------- */ |
377 | 377 | ||
378 | #define FLASH_RESET 0xF0 | 378 | #define FLASH_RESET 0xF0 |
379 | #define FLASH_MANUF_AMD 1 | ||
380 | 379 | ||
381 | #define FLASH_SIZE 0x200000 | 380 | #define FLASH_SIZE 0x200000 |
382 | #define FLASH_DIR_COOKIE "*** ADAPTEC FLASH DIRECTORY *** " | 381 | #define FLASH_DIR_COOKIE "*** ADAPTEC FLASH DIRECTORY *** " |
@@ -627,7 +626,7 @@ static int asd_find_flash_dir(struct asd_ha_struct *asd_ha, | |||
627 | static int asd_flash_getid(struct asd_ha_struct *asd_ha) | 626 | static int asd_flash_getid(struct asd_ha_struct *asd_ha) |
628 | { | 627 | { |
629 | int err = 0; | 628 | int err = 0; |
630 | u32 reg, inc; | 629 | u32 reg; |
631 | 630 | ||
632 | reg = asd_read_reg_dword(asd_ha, EXSICNFGR); | 631 | reg = asd_read_reg_dword(asd_ha, EXSICNFGR); |
633 | 632 | ||
@@ -648,53 +647,7 @@ static int asd_flash_getid(struct asd_ha_struct *asd_ha) | |||
648 | ASD_DPRINTK("couldn't reset flash(%d)\n", err); | 647 | ASD_DPRINTK("couldn't reset flash(%d)\n", err); |
649 | return err; | 648 | return err; |
650 | } | 649 | } |
651 | /* Get flash info. This would most likely be AMD Am29LV family flash. | 650 | return 0; |
652 | * First try the sequence for word mode. It is the same as for | ||
653 | * 008B (byte mode only), 160B (word mode) and 800D (word mode). | ||
654 | */ | ||
655 | reg = asd_ha->hw_prof.flash.bar; | ||
656 | inc = asd_ha->hw_prof.flash.wide ? 2 : 1; | ||
657 | asd_write_reg_byte(asd_ha, reg + 0x555, 0xAA); | ||
658 | asd_write_reg_byte(asd_ha, reg + 0x2AA, 0x55); | ||
659 | asd_write_reg_byte(asd_ha, reg + 0x555, 0x90); | ||
660 | asd_ha->hw_prof.flash.manuf = asd_read_reg_byte(asd_ha, reg); | ||
661 | asd_ha->hw_prof.flash.dev_id= asd_read_reg_byte(asd_ha,reg+inc); | ||
662 | asd_ha->hw_prof.flash.sec_prot = asd_read_reg_byte(asd_ha,reg+inc+inc); | ||
663 | /* Get out of autoselect mode. */ | ||
664 | err = asd_reset_flash(asd_ha); | ||
665 | |||
666 | if (asd_ha->hw_prof.flash.manuf == FLASH_MANUF_AMD) { | ||
667 | ASD_DPRINTK("0Found FLASH(%d) manuf:%d, dev_id:0x%x, " | ||
668 | "sec_prot:%d\n", | ||
669 | asd_ha->hw_prof.flash.wide ? 16 : 8, | ||
670 | asd_ha->hw_prof.flash.manuf, | ||
671 | asd_ha->hw_prof.flash.dev_id, | ||
672 | asd_ha->hw_prof.flash.sec_prot); | ||
673 | return 0; | ||
674 | } | ||
675 | |||
676 | /* Ok, try the sequence for byte mode of 160B and 800D. | ||
677 | * We may actually never need this. | ||
678 | */ | ||
679 | asd_write_reg_byte(asd_ha, reg + 0xAAA, 0xAA); | ||
680 | asd_write_reg_byte(asd_ha, reg + 0x555, 0x55); | ||
681 | asd_write_reg_byte(asd_ha, reg + 0xAAA, 0x90); | ||
682 | asd_ha->hw_prof.flash.manuf = asd_read_reg_byte(asd_ha, reg); | ||
683 | asd_ha->hw_prof.flash.dev_id = asd_read_reg_byte(asd_ha, reg + 2); | ||
684 | asd_ha->hw_prof.flash.sec_prot = asd_read_reg_byte(asd_ha, reg + 4); | ||
685 | err = asd_reset_flash(asd_ha); | ||
686 | |||
687 | if (asd_ha->hw_prof.flash.manuf == FLASH_MANUF_AMD) { | ||
688 | ASD_DPRINTK("1Found FLASH(%d) manuf:%d, dev_id:0x%x, " | ||
689 | "sec_prot:%d\n", | ||
690 | asd_ha->hw_prof.flash.wide ? 16 : 8, | ||
691 | asd_ha->hw_prof.flash.manuf, | ||
692 | asd_ha->hw_prof.flash.dev_id, | ||
693 | asd_ha->hw_prof.flash.sec_prot); | ||
694 | return 0; | ||
695 | } | ||
696 | |||
697 | return -ENOENT; | ||
698 | } | 651 | } |
699 | 652 | ||
700 | static u16 asd_calc_flash_chksum(u16 *p, int size) | 653 | static u16 asd_calc_flash_chksum(u16 *p, int size) |