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tools: kwboot: Document information about NOR XIP

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Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
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Pali Rohár 2023-03-23 21:00:07 +01:00 committed by Stefan Roese
parent c2b9edacb8
commit 66cf977716
1 changed files with 3 additions and 1 deletions
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tools/kwboot.c
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@ -61,7 +61,9 @@
* SPI-NOR or parallel-NOR. Despite the type name it really can be stored on
* parallel-NOR and cannot be stored on other SPI devices, like SPI-NAND.
* So it should have been named NOR image, not SPI image. This image type
* supports XIP - Execute In Place directly from NOR memory.
* supports XIP - Execute In Place directly from NOR memory. Destination
* address of the XIP image is set to 0xFFFFFFFF and execute address to the
* absolute offset in bytes from the beginning of NOR memory.
*
* - IBR_HDR_NAND_ID (0x8B):
* NAND image can be stored either at any 2 MB aligned offset in the first