[U-Boot] [PATCH V2 3/3] Add support for the LaCie ED Mini V2 board

Albert ARIBAUD
2009-11-19T12:48:15Z

Stefan Roese a ?crit :
> Hi Albert,
>
> On Wednesday 18 November 2009 23:21:58 Wolfgang Denk wrote:
>>> This board is based on the Marvell Orion5x SoC.
>>> Current support is limited to console and Flash.
>>> Flash support uses LEGACY as the Macronix 29LV400
>>> used on ED Mini V2 is not 100% CFI compliant.
>> And the differences are really so big that we cannot tweak the CFI
>> driver?
>
> It's not CFI compliant. But you can use the legacy infrastructure in this
> driver, which meant to support such chips. Please take a look at the following
> driver:
>
> drivers/mtd/jedec_flash.c
>
> Your board config header would need something like this:
>
> /* Use common CFI driver */
> #define CONFIG_SYS_FLASH_CFI
> #define CONFIG_FLASH_CFI_DRIVER
> /* board provides its own flash_init code */
> #define CONFIG_FLASH_CFI_LEGACY 1
> #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
> #define CONFIG_SYS_FLASH_LEGACY_512Kx8 1
> ...
>
> Taken from include/configs/hcu4.h. This should give you an idea...
>
> Cheers,
> Stefan

Er... Precisely, I am using [CONFIG_FLASH_CFI_]LEGACY, as the patch
comment says, though obviously not clearly enough.

Amicalement,
--
Albert.