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Fix cfi failure with Spansion Flash (Spansion Flash Devices have a different offset to go into CFI mode)

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This commit is contained in:
Stefano Babic 2006-12-12 00:22:42 +01:00 • committed by Wolfgang Denk
parent 1b3c360c23
commit d784fdb059
2 changed files with 3 additions and 1 deletions
drivers
cfi_flash.c
include
flash.h

3
drivers/cfi_flash.c
View file

@ -1149,6 +1149,7 @@ static int flash_detect_cfi (flash_info_t * info)
&& flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R')
&& flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) {
info->interface = flash_read_ushort (info, 0, FLASH_OFFSET_INTERFACE); info->interface = flash_read_ushort (info, 0, FLASH_OFFSET_INTERFACE);
info->cfi_offset=flash_offset_cfi[cfi_offset];
debug ("device interface is %d\n", debug ("device interface is %d\n",
info->interface); info->interface);
debug ("found port %d chip %d ", debug ("found port %d chip %d ",
@ -1193,7 +1194,7 @@ ulong flash_get_size (ulong base, int banknum)
info->vendor = flash_read_ushort (info, 0, info->vendor = flash_read_ushort (info, 0,
FLASH_OFFSET_PRIMARY_VENDOR); FLASH_OFFSET_PRIMARY_VENDOR);
flash_read_jedec_ids (info); flash_read_jedec_ids (info);
flash_write_cmd (info, 0, FLASH_OFFSET_CFI, FLASH_CMD_CFI); flash_write_cmd (info, 0, info->cfi_offset, FLASH_CMD_CFI);
num_erase_regions = flash_read_uchar (info, num_erase_regions = flash_read_uchar (info,
FLASH_OFFSET_NUM_ERASE_REGIONS); FLASH_OFFSET_NUM_ERASE_REGIONS);
info->ext_addr = flash_read_ushort (info, 0, info->ext_addr = flash_read_ushort (info, 0,

1
include/flash.h
View file

@ -51,6 +51,7 @@ typedef struct {
ushort device_id2; /* extended device id */ ushort device_id2; /* extended device id */
ushort ext_addr; /* extended query table address */ ushort ext_addr; /* extended query table address */
ushort cfi_version; /* cfi version */ ushort cfi_version; /* cfi version */
ushort cfi_offset; /* offset for cfi query */
#endif #endif
} flash_info_t; } flash_info_t;