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| author | Pali Rohár <pali@kernel.org> | 2023-04-13 22:57:47 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2023-05-03 08:39:23 +0200 |
| commit | 4ee99d9ff98ba9b57b65fb895504f767dfe14d82 (patch) | |
| tree | 0890d5347a8f635e2cebde6069512f2f6029ae79 | |
| parent | 30f6305e0cdcf59b0247b057f04374818d7c76e6 (diff) | |
| download | u-boot-4ee99d9ff98ba9b57b65fb895504f767dfe14d82.zip u-boot-4ee99d9ff98ba9b57b65fb895504f767dfe14d82.tar.gz u-boot-4ee99d9ff98ba9b57b65fb895504f767dfe14d82.tar.bz2 | |
tools: kwboot: Fix MMC partitions documentation
Boot configuration stored in EXT_CSD_PART_CONF register is completely
ignored by BootROM.
Fixes: fa03279e198d ("tools: kwboot: Add image type documentation")
Signed-off-by: Pali Rohár <pali@kernel.org>
| -rw-r--r-- | tools/kwboot.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index 6bef461..550d249 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -119,9 +119,12 @@ * 1024 bytes long sector sizes and also can be changed at runtime. * * For MMC-compatible devices, image can be stored at offset 0 or at offset - * 2 MB. If MMC device supports HW boot partitions then image must be stored - * on the HW partition as is configured in the EXT_CSC register (it can be - * either boot or user data). + * 2 MB. If eMMC device supports HW/boot partitions then image is read from + * partitions in following order: Boot 1, Boot 2, RPMB, GP 1, GP 2, GP 3, + * GP 4, User Data, Boot 1, Boot 2. (Boot 1 and Boot 2 are really repeated). + * Boot configuration stored in EXT_CSD_PART_CONF eMMC register is completely + * ignored by the BootROM. But it sets PARTITION_ACCESS bits of that register + * to the selected partition from which it loaded image. * * Note that source address for SDIO image is stored in byte unit, like for * any other images (except SATA). Marvell Functional Specifications for |