On 03.03.2013 12:15, Jagannadha Sutradharudu Teki wrote: > From: aaron.willi...@caviumnetworks.com > > This commit is based on that patch from aaron.willi...@caviumnetworks.com > with same commit title. pulled the same code changes into current u-boot tree. > > http://patchwork.ozlabs.org/patch/140863/ > http://lists.denx.de/pipermail/u-boot/2011-April/089606.html > > This patch corrects the addresses used when working with Spansion/AMD FLASH > chips. > Addressing for 8 and 16 bits is almost identical except in the 16-bit case the > LSB of the address is always 0. The confusion arose because the addresses > in the datasheet for 16-bit mode are word addresses but this code assumed it > was > byte addresses. > > I have only been able to test this on our Octeon boards which use either an > 8-bit > or 16-bit bus. I have not tested the case where there's an 8-bit part on a > 16-bit > bus. > > This patch also adds some delays as suggested by Spansion. > > If a part can be both 8 and 16-bits, it forces it to work in 8-bit mode if an > 8-bit bus is detected. > > Apart from the pulled changes, fixed few minor code cleanups and tested > on 256M29EW, 512M29EW flashes. > > Before this fix: > --------------- > Bank # 1: CFI conformant flash (8 x 8) Size: 64 MB in 512 Sectors > AMD Standard command set, Manufacturer ID: 0xFF, Device ID: 0xFF > Erase timeout: 4096 ms, write timeout: 2 ms > Buffer write timeout: 5 ms, buffer size: 1024 bytes > > After this fix: > -------------- > Bank # 1: CFI conformant flash (8 x 8) Size: 64 MB in 512 Sectors > AMD Standard command set, Manufacturer ID: 0x89, Device ID: 0x7E2301 > Erase timeout: 4096 ms, write timeout: 2 ms > Buffer write timeout: 5 ms, buffer size: 1024 bytes > > Signed-off-by: Aaron Williams <aaron.willi...@caviumnetworks.com> > Signed-off-by: Jagannadha Sutradharudu Teki <jaga...@xilinx.com> > Tested-by: Jagannadha Sutradharudu Teki <jaga...@xilinx.com>
Applied to u-boot-cfi-flash/master. Thanks, Stefan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
