On 11:54 Tue 20 Nov , zzs wrote: > My board is very similar to at91rm9200ek but using > a 8MB cfi flash AT49BV642D. > > When barebox started, the flash info as blow: > > # devinfo cfi_flash0 > CFI conformant FLASH (16 x 16) Size: 8 MB in 135 Sectors > AMD Standard command set, Manufacturer ID: 0x1F, Device ID: 0xD6 > Erase timeout: 8192 ms, write timeout: 256 us > Buffer write timeout: 64 us, buffer size: 4 bytes > > Sector Start Addresses: > 10000000 10010000 10020000 10030000 10040000 > 10050000 10060000 10070000 10080000 10090000 > 100A0000 100B0000 100C0000 100D0000 100E0000 > > Barebox said the device id is 0xD6, But it should be 0x1D6. > > Because of this wrong ID, In function drivers/nor/cfi_flash_amd.c:flash_fixup_atmel() > the erase region were reversed. > > So I can't erase the first few sectors > > I think it should use read8 or read16 according the portwidth like > u-boot does. I check the kernel we need to read the id according the bus width btw please use a real name zzs is either an english name or a chinese name Best Regards, J. _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
