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spl: spl_mmc: Add option to boot from a MMC partition with offset

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This patch introduces the option to boot from a MMC card parition with
an offset. This can be done by using both defines together:

define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION 1
define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR    ((160 << 10) / 512)

The example above loads the main U-Boot at offset 160KiB from the MMC
partition 1.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: Tom Rini <trini@konsulko.com>
This commit is contained in:
Stefan Roese 2015-07-20 11:20:39 +02:00 committed by Luka Perkov
parent 7ddf8cfb0d
commit 4bfcc54c0b
1 changed files with 5 additions and 0 deletions
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5
common/spl/spl_mmc.c
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@ -73,7 +73,12 @@ static int mmc_load_image_raw_partition(struct mmc *mmc, int partition)
return -1;
}
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
return mmc_load_image_raw_sector(mmc, info.start +
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
#else
return mmc_load_image_raw_sector(mmc, info.start);
#endif
}
#endif