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mtd: cfi_probe: make the addresses used to enter Auto Select Mode variable

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Make the addresses used to enter Auto Select Mode variable to leave place
for handling chips using non-standard addresses.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Guillaume LECERF 2010-04-24 17:57:57 +02:00 committed by David Woodhouse
parent 8473044d64
commit ad7026fef6
1 changed files with 4 additions and 3 deletions
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7
drivers/mtd/chips/cfi_probe.c
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@ -158,6 +158,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
__u32 base = 0;
int num_erase_regions = cfi_read_query(map, base + (0x10 + 28)*ofs_factor);
int i;
int addr_unlock1 = 0x555, addr_unlock2 = 0x2AA;
xip_enable(base, map, cfi);
#ifdef DEBUG_CFI
@ -214,9 +215,9 @@ static int __xipram cfi_chip_setup(struct map_info *map,
* back into Read Mode, which is a nop in this case).
*/
cfi_send_gen_cmd(0xf0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0xaa, 0x555, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0xaa, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x55, addr_unlock2, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x90, addr_unlock1, base, map, cfi, cfi->device_type, NULL);
cfi->mfr = cfi_read_query16(map, base);
cfi->id = cfi_read_query16(map, base + ofs_factor);