"Das U-Boot" Source Tree
board: samsung: exynos-mobile: add EFI capsule update support
Add support for EFI capsule updates via U-Boot's DFU. This flashes the
boot partition with the new image provided in the capsule.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
authored by
Kaustabh Chakraborty
and committed by
Minkyu Kang
0e61fc53
db0fe21b
+30
+24
board/samsung/exynos-mobile/exynos-mobile.c
+24
board/samsung/exynos-mobile/exynos-mobile.c
···
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#include <bootflow.h>
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#include <ctype.h>
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#include <dm/ofnode.h>
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#include <efi.h>
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#include <efi_loader.h>
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#include <env.h>
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#include <errno.h>
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#include <init.h>
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#define lmb_alloc(size, addr) \
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lmb_alloc_mem(LMB_MEM_ALLOC_ANY, SZ_2M, addr, size, LMB_NONE)
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struct efi_fw_image fw_images[] = {
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{
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.fw_name = u"UBOOT_BOOT_PARTITION",
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.image_index = 1,
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},
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};
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struct efi_capsule_update_info update_info = {
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.dfu_string = NULL,
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.images = fw_images,
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.num_images = ARRAY_SIZE(fw_images),
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};
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/*
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* The memory mapping includes all DRAM banks, along with the
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struct blk_desc *blk_desc;
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struct disk_partition info = {0};
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unsigned long largest_part_start = 0, largest_part_size = 0;
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static char dfu_string[32];
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int i;
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blk_ifname = "mmc";
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for (i = 1; i < CONFIG_EFI_PARTITION_ENTRIES_NUMBERS; i++) {
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if (part_get_info(blk_desc, i, &info))
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continue;
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if (!update_info.dfu_string &&
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!strncasecmp(info.name, "boot", strlen("boot"))) {
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snprintf(dfu_string, sizeof(dfu_string),
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"mmc %d=u-boot.bin part %d %d", blk_dev,
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blk_dev, i);
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update_info.dfu_string = dfu_string;
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}
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if (info.start > largest_part_size) {
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largest_part_start = info.start;
+6
configs/exynos-mobile_defconfig
+6
configs/exynos-mobile_defconfig
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CONFIG_SYS_LOAD_ADDR=0x80000000
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CONFIG_ARMV8_CNTFRQ_BROKEN=y
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# CONFIG_PSCI_RESET is not set
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CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
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CONFIG_EFI_CAPSULE_ON_DISK=y
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CONFIG_EFI_CAPSULE_ON_DISK_EARLY=y
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CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
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CONFIG_BUTTON_CMD=y
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CONFIG_USE_PREBOOT=y
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CONFIG_SAVE_PREV_BL_FDT_ADDR=y
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CONFIG_BUTTON=y
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CONFIG_BUTTON_REMAP_PHONE_KEYS=y
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CONFIG_CLK_EXYNOS7870=y
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CONFIG_DFU_MMC=y
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CONFIG_SYS_DFU_DATA_BUF_SIZE=0x200000
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CONFIG_USB_FUNCTION_FASTBOOT=y
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CONFIG_FASTBOOT_BUF_ADDR=0xdead0000
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CONFIG_FASTBOOT_FLASH=y