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tools: mkimage: Add Amlogic Boot Image type

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Add support for creating an Amlogic Boot Image that pass CHK in BL1 on
Amlogic AArch64 SoCs.

Images can optionally be signed for secure boot scenario, however
creation of signed images has not been implemented.

Example of how to use it:
  # Create an amlogic boot image
  tools/mkimage -T amlimage -n gxbb -d u-boot-spl.bin u-boot-amlogic.bin

  # List boot image header information
  tools/mkimage -l u-boot-amlogic.bin

  # Extract amlogic boot image payload
  tools/dumpimage -T amlimage -o bl2-payload.bin u-boot-amlogic.bin

Or with binman using something like:
  binman {
	u-boot-amlogic {
		filename = "u-boot-amlogic.bin";
		pad-byte = <0xff>;

		mkimage {
			filename = "bl2.bin";
			args = "-n", "gxbb", "-T", "amlimage";

			u-boot-spl {
			};
		};
	};
  };

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
[Ferass: check digest type in _print_header, version in _verify_image]
Signed-off-by: Ferass El Hafidi <funderscore@postmarketos.org>
Link: https://patch.msgid.link/20251126-spl-gx-v5-1-6cbffb2451ca@postmarketos.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Jonas Karlman
2025-11-26 12:17:03 +00:00
committed by Neil Armstrong
parent 66be03b7ee
commit 18c1654567
5 changed files with 259 additions and 0 deletions
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1
include/image.h
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@@ -234,6 +234,7 @@ enum image_type_t {
IH_TYPE_STARFIVE_SPL, /* StarFive SPL image */
IH_TYPE_TFA_BL31, /* TFA BL31 image */
IH_TYPE_STM32IMAGE_V2, /* STMicroelectronics STM32 Image V2.0 */
IH_TYPE_AMLIMAGE, /* Amlogic Boot Image */
IH_TYPE_COUNT, /* Number of image types */
};