[U-Boot-Users] flash driver in u-boot

[Reeve Yang]

But cfi_flash.c doesn't work for me. It always complains "flash is busy"
when I try to write something. However strata_flash.c works. why is that? By
the way, is there anyway to read flash contents in u-boot? md?

On 10/16/06, Tolunay Orkun <listmember at orkun.us> wrote:
>
> Reeve Yang wrote:
> > I'm a little confused by flash driver selection in u-boot. My flash
> > device is intel JS28F128J3, I assume it's not CFI flash so I want to use
>
> Intel 28F128J3 is a CFI compliant flash chip.
>
> > strataflash.c. I added such file under my board directory, add it into
> > Makefile, and undef CFG_FLASH_CFI_DRIVER, but I got link error. If
>
> strataflash.c driver is a pre-cursor to common cfi_flash.c. Most boards
> are reworked to use the cfi_flash.c. To use strataflash.c you also had
> to define CFG_FLASH_CFI_DRIVER (as far as my memory serves). There is no
> reason to use a custom flash driver nowadays unless your flash is
> interfaced to the processor bus in a very unusual way (like data bus
> scrambled -- hardware design bugs)
>
> > define this macro, the compilation is ok and my flash works. My question
> > is, if we define this macro, which flash driver being used? cfi_flash.c
> > or my strataflash.c?
>
> Use cfi_flash.c
>
> Tolunay
>
>
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