On Tuesday 10 May 2011 00:33:36 Mike Frysinger wrote: > For newer STM parts where CFI >= 1.1, there is a byte in the extended > structure that declares the flash layout type (just like the AMD parts), > so key off of that to find out when we need to reverse the geometry. > > This can be seen with M29W640 parts where U-Boot does: > Bank # 1: CFI conformant FLASH (16 x 16) Size: 8 MB in 135 Sectors > AMD Standard command set, Manufacturer ID: 0x20, Device ID: 0x22ED > Erase timeout: 8192 ms, write timeout: 1 ms > Buffer write timeout: 1 ms, buffer size: 16 bytes > > Sector Start Addresses: > 20000000 RO 20002000 RO 20004000 RO 20006000 RO 20008000 > RO 2000A000 RO 2000C000 RO 2000E000 RO 20010000 RO > 20020000 RO ... > > But Linux does: > physmap platform flash device: 00800000 at 20000000 > physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank. > Manufacturer ID 0x000020 Chip ID 0x0022ed > physmap-flash.0: Swapping erase regions for top-boot CFI table.
Applied to u-boot-cfi-flash/master. Thanks. Cheers, Stefan -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-0 Fax: (+49)-8142-66989-80 Email: [email protected] _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
