[U-Boot] [PATCH 1/2] AVR32: use generic mmc framework

[Sven Schnelle <svens@stackframe.org>]

On 10/12/2011 04:29 PM, Andreas Bie?mann wrote:
> Dear Sven,
>
> Am 12.10.2011 15:09, schrieb Sven Schnelle:
>> gen_atmel_mci works on AVR32 as well, so no need to use the legacy
>> mmc driver. This also has the nice side effect of being able to use
>> SDHC cards an AVR32 boards.
>>
>> Signed-off-by: Sven Schnelle<svens@stackframe.org>
> I have to NACK this patch cause it produces new compile warnings.
>
> $ PATH=$AVR32_PATH:$PATH BUILD_DIR=/tmp/build_uboot BUILD_NCPU=8
> ./MAKEALL atstk1002
> Configuring for atstk1002 board...
> board.c: In function 'board_init_r':
> board.c:338: warning: implicit declaration of function 'mmc_initialize'
> atstk1000.c: In function 'board_mmc_init':
> atstk1000.c:147: warning: implicit declaration of function 'atmel_mci_init'
>     text	   data	    bss	    dec	    hex	filename
>   106091	   7504	 211676	 325271	  4f697	/tmp/build_uboot/u-boot

Oops. Should be easily fixable.

> --------------------- SUMMARY ----------------------------
> Boards compiled: 1
> Boards with warnings or errors: 1 ( atstk1002 )
> ----------------------------------------------------------
>
> And does not work on device:
>
> a) mmc init is not known? Is this not longer necessar
'mmc init' is only available if CONFIG_GENERIC_MMC isn't set, at least
that's how i unterstand the source code. (See common/cmd_mmc.c:29)


> b) ext2ls is not reliable:
>
> ---8<---
> U-Boot>  ext2ls mmc 0:1
> <DIR>        1024 .
> <DIR>        1024 ..
> <DIR>       12288 lost+found
> gen_atmel_mci: CMDR 00051051 (17) ARGR 02008600 (SR: 00400025) Data
> Transfer Failed
>   ** ext2fs_devread read error - last part
> U-Boot>
> --->8---
Hmm, that's really bad. What type of card is this? MMC, SD or SDHC?

Regards
Sven