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rockchip: Add SPL_PAD_TO Kconfig default value

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Almost all Rockchip boards use the same Kconfig value for SPL_PAD_TO,
0x7f8000.

u-boot-rockchip.bin is typically written to offset 64S (32KiB) of MMC
media. u-boot.itb (or u-boot.img) is typically expected at offset 16384S
(8MiB) of MMC media (SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x4000).

SPL_PAD_TO is used as the offset for u-boot.itb (or u-boot.img) in the
generated simple-bin binman image, and can be calculated as:

  SPL_PAD_TO = (16384S - 64S) * 512 = 0x7f8000

Add this value as a default value for ARCH_ROCKCHIP.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
This commit is contained in:
Jonas Karlman
2025-04-13 19:59:37 +00:00
committed by Kever Yang
parent 59c253a11f
commit ce0dccf459
1 changed files with 1 additions and 0 deletions
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common/spl/Kconfig
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@@ -96,6 +96,7 @@ config SPL_MAX_SIZE
config SPL_PAD_TO
hex "Offset to which the SPL should be padded before appending the SPL payload"
default 0x7f8000 if ARCH_ROCKCHIP
default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
default 0x10000 if ARCH_KEYSTONE