Intel was inconsistent in their device IDs for the P30 Strata NOR. The header flash.h has incorrect device IDs for the top- and bottom-mapped versions of the 32 MB chips as a result. It's an easy mistake to make...
--- u-boot.git/include/flash.h 2007-03-12 13:40:31.000000000 -0700 +++ u-boot/include/flash.h 2007-03-12 19:26:25.000000000 -0700 @@ -290,8 +290,8 @@ #define INTEL_ID_28F64P30B 0x881A881A /* 64M = 32K x 255 + 32k x 4 */ #define INTEL_ID_28F128P30T 0x88188818 /* 128M = 64K x 255 + 32k x 4 */ #define INTEL_ID_28F128P30B 0x881B881B /* 128M = 64K x 255 + 32k x 4 */ -#define INTEL_ID_28F256P30T 0x88198819 /* 256M = 128K x 255 + 32k x 4 */ -#define INTEL_ID_28F256P30B 0x881C881C /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F256P30T 0x89198919 /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F256P30B 0x891C891C /* 256M = 128K x 255 + 32k x 4 */
#define INTEL_ID_28F160S3 0x00D000D0 /* 16M = 512K x 32 (64kB x 32) */ #define INTEL_ID_28F320S3 0x00D400D4 /* 32M = 512K x 64 (64kB x 64) */