[PATCH v3 01/13] smegw01: Enable setting additional boot params

Tom Rini trini at konsulko.com
Mon Apr 24 17:48:39 CEST 2023


On Mon, Apr 24, 2023 at 08:11:54AM -0300, Fabio Estevam wrote:
> From: Eduard Strehlau <eduard at lionizers.com>
> 
> Introduce EXTRA_BOOTPARAMS to allow passing additional parameters
> to kernel command line. This is useful for debugging purposes.
> 
> Signed-off-by: Eduard Strehlau <eduard at lionizers.com>
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
> Changes since v2:
> - None
> 
>  include/configs/smegw01.h | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/include/configs/smegw01.h b/include/configs/smegw01.h
> index 11031744be..a356f095a6 100644
> --- a/include/configs/smegw01.h
> +++ b/include/configs/smegw01.h
> @@ -17,6 +17,11 @@
>  /* MMC Config*/
>  #define CFG_SYS_FSL_ESDHC_ADDR	0
>  
> +/* default to no extra bootparams, we need an empty define for stringification*/
> +#ifndef EXTRA_BOOTPARAMS
> +#define EXTRA_BOOTPARAMS
> +#endif
> +
>  #define CFG_EXTRA_ENV_SETTINGS \
>  	"image=zImage\0" \
>  	"console=ttymxc0\0" \
> @@ -26,7 +31,8 @@
>  	"mmcdev=0\0" \
>  	"mmcpart=1\0" \
>  	"mmcargs=setenv bootargs console=${console},${baudrate} " \
> -		"root=/dev/mmcblk0p${mmcpart} rootwait rw\0" \
> +		"root=/dev/mmcblk0p${mmcpart} rootwait rw " \
> +		__stringify(EXTRA_BOOTPARAMS) "\0" \
>  	"loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot/${image}\0" \
>  	"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} boot/${fdtfile}\0" \
>  	"mmcboot=echo Booting from mmc ...; " \

As this series does a lot of environment changes, please update the
board to use plain text environment instead of CFG_EXTRA_ENV_SETTINGS,
thanks. If it's too much to do at the start of the series, at the end is
OK.

-- 
Tom
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