Hi Stefan, On Wed, Feb 20, 2013 at 11:44 PM, Stefan Roese <s...@denx.de> wrote: > Hi Jagan, > > On 20.02.2013 18:25, Jagan Teki wrote: >>> So please update to the latest version and try again. >> >> Sorry for not intimating the version I used, actually I am using the >> latest u-boot version 2013.01.01 >> Below link the head commit for cfi_flash.c >> http://git.denx.de/?p=u-boot.git;a=commit;h=d2af028db3f75390f56f018e16c0f269521e07c5 >> >> I am not sure whats wrong with code for detecting the m/c ID. >> >> Please let me know your inputs. > > This reminds me of a still pending problem with 8-bit flash chips. Could > you perhaps give this patch a try? > > http://patchwork.ozlabs.org/patch/140863/ > > Not sure if it still applies clean. But it seemed to fix a problem with > 8-bit bus flash chips.
I am able to detect the correct Manufacture ID and device ID with these changes. 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 But the 1024 bytes buffer size is another issues, as Numonyx CFI wrongly mentioned 1024 instead of 256. Any way that we can fix I guess for N29EW flashes.. but how these changes impacts the other flashes i don't .. Please find the log message. Thanks, Jagan.
M29EW_issue.log
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