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arm: mvebu: clearfog: update eMMC documentation
SPL now automatically selects the correct U-Boot image offset for both eMMC and SD card. No need to tweak CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR anymore. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
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@ -20,12 +20,6 @@ of "/dev/sdX" here!
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Install U-Boot on eMMC:
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-----------------------
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The ROM loads the bootloader from eMMC first boot partition at offset 0. This
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is unlike load from SD card that is at offset 512. As a result, the offset of
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the main U-Boot image on the eMMC boot partition changes. Set
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CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR to 0x140 for SPL to load U-Boot from
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the correct location.
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To make SPL load the main U-Boot image from the eMMC boot partition enable
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eMMC boot acknowledgement and boot partition with the following U-Boot
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command:
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