/*
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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 <malloc.h>
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#include <asm/io.h>
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#include <asm/arch/boot_mode.h>
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static int misc_require_recovery(struct blk_desc *dev_desc, u32 bcb_offset)
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{
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struct bootloader_message *bmsg;
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disk_partition_t part;
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int cnt, recovery;
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if (!dev_desc)
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return 0;
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if (part_get_info_by_name(dev_desc, PART_MISC, &part) < 0) {
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printf("No misc partition\n");
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return 0;
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}
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cnt = DIV_ROUND_UP(sizeof(struct bootloader_message), dev_desc->blksz);
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bmsg = memalign(ARCH_DMA_MINALIGN, cnt * dev_desc->blksz);
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if (!bmsg)
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return 0;
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if (blk_dread(dev_desc, part.start + bcb_offset, cnt, bmsg) != cnt)
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return 0;
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recovery = !strcmp(bmsg->command, "boot-recovery");
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free(bmsg);
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return recovery;
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}
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int rockchip_get_boot_mode(struct blk_desc *dev_desc, u32 bcb_sector_offset)
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{
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uint32_t reg_boot_mode;
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int boot_mode;
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/*
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* Boot mode priority
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*
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* Anyway, we should set download boot mode as the highest priority, so:
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* reboot loader/bootloader/fastboot > misc partition "recovery" > reboot xxx.
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*/
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reg_boot_mode = readl((void *)CONFIG_ROCKCHIP_BOOT_MODE_REG);
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if (reg_boot_mode == BOOT_LOADER) {
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printf("boot mode: loader\n");
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boot_mode = BOOT_MODE_LOADER;
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} else if (reg_boot_mode == BOOT_DFU) {
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printf("boot mode: dfu\n");
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boot_mode = BOOT_MODE_DFU;
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} else if (reg_boot_mode == BOOT_FASTBOOT) {
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printf("boot mode: bootloader\n");
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boot_mode = BOOT_MODE_BOOTLOADER;
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} else if (misc_require_recovery(dev_desc, bcb_sector_offset)) {
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printf("boot mode: recovery (misc)\n");
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boot_mode = BOOT_MODE_RECOVERY;
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} else {
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switch (reg_boot_mode) {
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case BOOT_NORMAL:
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printf("boot mode: normal\n");
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boot_mode = BOOT_MODE_NORMAL;
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break;
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case BOOT_RECOVERY:
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printf("boot mode: recovery (cmd)\n");
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boot_mode = BOOT_MODE_RECOVERY;
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break;
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case BOOT_UMS:
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printf("boot mode: ums\n");
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boot_mode = BOOT_MODE_UMS;
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break;
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case BOOT_CHARGING:
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printf("boot mode: charging\n");
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boot_mode = BOOT_MODE_CHARGING;
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break;
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case BOOT_PANIC:
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printf("boot mode: panic\n");
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boot_mode = BOOT_MODE_PANIC;
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break;
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case BOOT_WATCHDOG:
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printf("boot mode: watchdog\n");
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boot_mode = BOOT_MODE_WATCHDOG;
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break;
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default:
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printf("boot mode: None\n");
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boot_mode = BOOT_MODE_UNDEFINE;
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}
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}
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return boot_mode;
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}
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