/*
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* (C) Copyright 2021 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <boot_rkimg.h>
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#include <memalign.h>
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#include <android_avb/rk_avb_ops_user.h>
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#define CONFIG_SET_DFU_ALT_BUF_LEN (SZ_1K)
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static char *get_dfu_alt(char *interface, char *devstr)
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{
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struct blk_desc *dev_desc;
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char *alt_boot;
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#ifdef CONFIG_ANDROID_AB
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char current_slot[3] = {0};
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#endif
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dev_desc = rockchip_get_bootdev();
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if (!dev_desc) {
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printf("%s: dev_desc is NULL!\n", __func__);
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return NULL;
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}
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switch (dev_desc->if_type) {
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#ifdef CONFIG_DFU_MMC
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case IF_TYPE_MMC:
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alt_boot = DFU_ALT_BOOT_EMMC;
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break;
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#endif
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#ifdef CONFIG_DFU_MTD
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case IF_TYPE_MTD:
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#ifdef CONFIG_ANDROID_AB
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rk_avb_get_current_slot(current_slot);
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if (!strcmp(current_slot, "_a")) {
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alt_boot = DFU_ALT_BOOT_MTD_B;
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printf("\ncurrent boot from slot A!\n");
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} else if (!strcmp(current_slot, "_b")) {
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alt_boot = DFU_ALT_BOOT_MTD_A;
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printf("\ncurrent boot from slot B!\n");
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} else {
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return NULL;
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}
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#else
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alt_boot = DFU_ALT_BOOT_MTD;
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#endif
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break;
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#endif /* CONFIG_DFU_MTD */
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default:
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printf("[dfu ERROR]:Boot device type is invalid!\n");
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return NULL;
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}
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return alt_boot;
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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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size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
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ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
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char *alt_info = "Settings not found!";
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char *status = "error!\n";
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char *alt_setting;
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int offset = 0;
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puts("DFU alt info setting: ");
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alt_setting = get_dfu_alt(interface, devstr);
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if (alt_setting) {
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env_set("dfu_alt_boot", alt_setting);
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offset = snprintf(buf, buf_size, "%s", alt_setting);
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}
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if (offset) {
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alt_info = buf;
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status = "done\n";
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}
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env_set("dfu_alt_info", alt_info);
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puts(status);
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}
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