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https://github.com/AsahiLinux/u-boot
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741ef86728
Add a structure which defines the information that is needed for executing capsule updates on a platform. Some information in the structure like the dfu string is used for making the update process more robust while some information like the per platform image GUIDs is used for fixing issues. Initialise this structure in the board file, and use the information for the capsule updates. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2020 Linaro Limited
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*/
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#include <common.h>
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#include <dfu.h>
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#include <env.h>
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#include <memalign.h>
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#include <mtd.h>
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#define DFU_ALT_BUF_LEN SZ_1K
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static void board_get_alt_info(struct mtd_info *mtd, char *buf)
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{
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struct mtd_info *part;
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bool first = true;
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const char *name;
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int len, partnum = 0;
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name = mtd->name;
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len = strlen(buf);
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if (buf[0] != '\0')
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, "&");
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"mtd %s=", name);
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list_for_each_entry(part, &mtd->partitions, node) {
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partnum++;
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if (!first)
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len, ";");
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first = false;
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len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
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"%s part %d",
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part->name, partnum);
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}
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}
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void set_dfu_alt_info(char *interface, char *devstr)
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{
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struct mtd_info *mtd;
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ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
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if (!CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT) &&
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env_get("dfu_alt_info"))
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return;
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memset(buf, 0, sizeof(buf));
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/*
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* Currently dfu_alt_info is needed on Qemu ARM64 for
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* capsule updates
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*/
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if (IS_ENABLED(CONFIG_EFI_CAPSULE_FIRMWARE_MANAGEMENT) &&
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IS_ENABLED(CONFIG_TARGET_QEMU_ARM_64BIT)) {
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/* probe all MTD devices */
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mtd_probe_devices();
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mtd = get_mtd_device_nm("nor0");
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if (!IS_ERR_OR_NULL(mtd))
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board_get_alt_info(mtd, buf);
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}
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env_set("dfu_alt_info", buf);
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printf("dfu_alt_info set\n");
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}
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