From fd76fdc34efd5709bb2cd47e3d099e2cffcb2192 Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Wed, 9 Jul 2025 17:29:25 -0500 Subject: board: samsung: e850-96: Enable EFI Capsule Update mechanism Make it possible to update E850-96 firmware binaries using EFI Capsule Update mechanism. For example, to update the U-Boot binary, the capsule file can be generated like this: $ ./tools/mkeficapsule --index 4 \ --guid 629578c3-ffb3-4a89-ac0c-611840727779 \ u-boot.bin capsule4.bin The resulting 'capsule4.bin' should be copied to ESP partition (in /boot/efi/EFI/UpdateCapsule/ directory). Then after reboot U-Boot will update the 'bootloader' area in eMMC Boot Partition A (boot0) and remove the capsule file, by EFI boot manager executed as a part of Standard Boot: Applying capsule capsule4.bin succeeded. Reboot after firmware update. The kernel will also expose the ESRT table information via SysFS in /sys/firmware/efi/esrt/entries. Signed-off-by: Sam Protsenko Signed-off-by: Minkyu Kang --- include/configs/e850-96.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'include') diff --git a/include/configs/e850-96.h b/include/configs/e850-96.h index 4607b3089b2..63e85332bd8 100644 --- a/include/configs/e850-96.h +++ b/include/configs/e850-96.h @@ -9,4 +9,25 @@ #ifndef __E850_96_H #define __E850_96_H +/* GUIDs for capsule updatable firmware images */ +#define E850_96_FWBL1_IMAGE_GUID \ + EFI_GUID(0x181cd3f2, 0xe375, 0x44d2, 0x80, 0x78, \ + 0x32, 0x21, 0xe1, 0xdf, 0xb9, 0x5e) + +#define E850_96_EPBL_IMAGE_GUID \ + EFI_GUID(0x66c1a54d, 0xd149, 0x415d, 0xaa, 0xda, \ + 0xb8, 0xae, 0xe4, 0x99, 0xb3, 0x70) + +#define E850_96_BL2_IMAGE_GUID \ + EFI_GUID(0x89471c2a, 0x6c8d, 0x4158, 0xac, 0xad, \ + 0x23, 0xd3, 0xb2, 0x87, 0x3d, 0x35) + +#define E850_96_BOOTLOADER_IMAGE_GUID \ + EFI_GUID(0x629578c3, 0xffb3, 0x4a89, 0xac, 0x0c, \ + 0x61, 0x18, 0x40, 0x72, 0x77, 0x79) + +#define E850_96_EL3_MON_IMAGE_GUID \ + EFI_GUID(0xdf5718a2, 0x930a, 0x4916, 0xbb, 0x19, \ + 0x32, 0x13, 0x21, 0x4d, 0x84, 0x86) + #endif /* __E850_96_H */ -- cgit v1.2.3