From mboxrd@z Thu Jan  1 00:00:00 1970
From: Purna Chandra Mandal <purna.mandal@microchip.com>
Date: Thu, 14 Jan 2016 14:01:57 +0530
Subject: [U-Boot] [PATCH v3 11/14] board: add SDHCI support for
 PIC32MZDASK board.
In-Reply-To: <20160113145621.GK3359@bill-the-cat>
References: <1452593909-16184-1-git-send-email-purna.mandal@microchip.com>
 <1452593909-16184-12-git-send-email-purna.mandal@microchip.com>
 <20160113145621.GK3359@bill-the-cat>
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On 01/13/2016 08:26 PM, Tom Rini wrote:
> On Tue, Jan 12, 2016 at 03:48:26PM +0530, Purna Chandra Mandal wrote:
>
>> Enable MMC, SDHCI, FAT FS, EXT4 FS support for PIC32MZ[DA] StarterKit.
>> Also add custom scripts, rules to boot Linux from microSD card.
>>
>> Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
> [snip]
>> +#define CONFIG_EXTRA_ENV_SETTINGS				\
>> +	"loadaddr="__stringify(CONFIG_SYS_LOAD_ADDR)"\0"	\
>> +	"uenvfile=uEnv.txt\0"					\
>> +	"uenvaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"		\
>> +	"scriptfile=boot.scr\0"					\
>> +	"ubootfile=u-boot.bin\0"				\
>> +	"importbootenv= "					\
>> +		"env import -t -r ${uenvaddr} ${filesize};\0"	\
>> +								\
>> +	"mmcloadenv=fatload mmc 0 ${uenvaddr} ${uenvfile}\0"	\
>> +	"mmcloadscr=fatload mmc 0 ${uenvaddr} ${scriptfile}\0"	\
>> +	"mmcloadub=fatload mmc 0 ${loadaddr} ${ubootfile}\0"	\
>> +								\
>> +	"loadbootenv=run mmcloadenv\0"				\
>> +	"loadbootscr=run mmcloadscr\0"				\
>> +	"bootcmd_root= "					\
>> +		"if run loadbootenv; then "			\
>> +			"echo Loaded environment ${uenvfile}; "	\
>> +			"run importbootenv; "			\
>> +		"fi; "						\
>> +		"if test -n \"${bootcmd_uenv}\" ; then "	\
>> +			"echo Running bootcmd_uenv ...; "	\
>> +			"run bootcmd_uenv; "			\
>> +		"fi; "						\
>> +		"if run loadbootscr; then "			\
>> +			"echo Jumping to ${scriptfile}; "	\
>> +			"source ${uenvaddr}; "			\
>> +		"fi; "						\
>> +		"echo Custom environment or script not found. "	\
>> +			"Aborting auto booting...; \0"		\
>> +	""
>> +
>> +#define CONFIG_BOOTCOMMAND		"run bootcmd_root"
> I would like to see the env above done as a separate commit and then
> using config_distro_default / bootcmd :)

agreed. Will add in separate commit and using config_distro_default(/bootcmd).h.