[U-Boot] [PATCH] ARM: versatile: fix board support

[Albert ARIBAUD]

Stefano, Loïc,

On 24/06/2011 17:37, Loïc Minier wrote:
> On Fri, Jun 24, 2011, Stefano Babic wrote:
>> Versatile board is used as example to run u-boot under qemu.
>> The patch fixes relocation for all versatile boards and adds
>> a versatileqemu target to be used under qemu.
>
>   Thanks a lot!
>
>> Patch tested only under qemu, not on real boards.
>> Tested with QEMU emulator version 0.14.50.
>
>   I've built u-boot tip with your patch with:
>      make CROSS_COMPILE=arm-linux-gnueabi- O=$PWD/obj-versatileqemu \
>          versatileqemu_config
>      make CROSS_COMPILE=arm-linux-gnueabi- O=$PWD/obj-versatileqemu -j3
>   using the Ubuntu (Linaro-based, 4.6.0-14ubuntu1cross1.52) armel
>   cross-compiler but couldn't get this to start with my incantations of:
>      qemu-system-arm -M versatilepb -kernel obj-versatileqemu/u-boot \
>          -m 128 -serial stdio
>   and other combinations I've tried
>
>   However, inspired by your changes I added these changes:
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -138,6 +138,7 @@ omap5912osk                  arm         arm926ejs   -                   ti
>   edminiv2                     arm         arm926ejs   -                   LaCie          orion5x
>   dkb                         arm         arm926ejs   -                   Marvell        pantheon
>   ca9x4_ct_vxp                 arm         armv7       vexpress            armltd
> +qemuvexpressa9               arm         armv7       vexpress            armltd         -               ca9x4_ct_vxp:ARCH_QEMU_VEXPRESS
>   efikamx                      arm         armv7       efikamx             -              mx5            mx51evk:IMX_CONFIG=board/efikamx/imximage.cfg
>   mx51evk                      arm         armv7       mx51evk             freescale      mx5            mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg
>   mx53evk                      arm         armv7       mx53evk             freescale      mx5            mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg
> --- a/include/configs/ca9x4_ct_vxp.h
> +++ b/include/configs/ca9x4_ct_vxp.h
> @@ -148,6 +148,12 @@
>                          "cp ${initrdaddr} ${initrd} ${maxinitrd}; " \
>                          "bootm ${kerneladdr} ${initrd}\0"
>
> +#ifdef CONFIG_ARCH_QEMU_VEXPRESS
> +#define CONFIG_ENV_SIZE                        8192
> +#define CONFIG_SYS_NO_FLASH
> +#define CONFIG_ENV_IS_NOWHERE
> +#define CONFIG_SYS_MONITOR_LEN         0x80000
> +#else
>   /* FLASH and environment organization */
>   #define PHYS_FLASH_SIZE                        0x04000000      /* 64MB */
>   #define CONFIG_SYS_FLASH_CFI           1
> @@ -187,6 +193,7 @@
>   #define CONFIG_SYS_FLASH_EMPTY_INFO    /* flinfo indicates empty blocks */
>   #define CONFIG_SYS_FLASH_BANKS_LIST    { CONFIG_SYS_FLASH_BASE0, \
>                                            CONFIG_SYS_FLASH_BASE1 }
> +#endif
>
>   /* Monitor Command Prompt */
>   #define CONFIG_SYS_CBSIZE              512     /* Console I/O Buffer Size */
>
>   and built with:
>      make CROSS_COMPILE=arm-linux-gnueabi- O=$PWD/obj-qemuvexpressa9 \
>          qemuvexpressa9_config
>      make CROSS_COMPILE=arm-linux-gnueabi- O=$PWD/obj-qemuvexpressa9 -j3 \
>          $PWD/obj-qemuvexpressa9/u-boot
>   and this started fine with:
>      qemu-system-arm -M vexpress-a9 -kernel obj-qemuvexpressa9/u-boot \
>          -m 1024 -serial stdio
>
>   I wonder whether it would make sense to use the same ifdef for
>   versatile and vexpress boards (QEMU_NO_FLASH?) and prefix the board
>   names with qemu; e.g. qemu_versatile_foo?
>
>   Could you share your recipe for getting the versatileqemu config to
>   start?  I'm using Ubuntu's qemu (Linaro-based,
>   0.14.50-2011.06-0-0ubuntu1).
>

Does this mean Stefano's patch will see a V2, or should I try and apply 
it as-is?

Amicalement,
-- 
Albert.