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doc: correct HiFive Unmatched boot description

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Main U-Boot is loaded by sector number, not by partition GUID type.

Fixes: 70415e1e52 ("board: sifive: add HiFive Unmatched board support")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2023-05-01 14:47:52 +02:00
parent eb59b9e88b
commit d1474f5aa0
1 changed files with 4 additions and 2 deletions
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6
doc/board/sifive/unmatched.rst
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@ -56,8 +56,10 @@ Flashing
ZSBL loads the U-Boot SPL (u-boot-spl.bin) from a partition with GUID type
5B193300-FC78-40CD-8002-E86C45580B47
U-Boot SPL expects u-boot.itb from a partition with GUID
type 2E54B353-1271-4842-806F-E436D6AF6985
With the default configuration U-Boot SPL expects u-boot.itb starting at sector
2082 (CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x822). It is recommended to use a
partition with type GUID 2E54B353-1271-4842-806F-E436D6AF6985 for storing
main U-Boot.
u-boot.itb is a combination of fw_dynamic.bin, u-boot-nodtb.bin and
device tree blob (hifive-unmatched-a00.dtb)