95 lines
1.8 KiB
C
95 lines
1.8 KiB
C
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/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "hw_init.h"
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#include <stdint.h>
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#include <esp_cpu.h>
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#include <soc/rtc.h>
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#include <esp_rom_sys.h>
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#include <bootloader_clock.h>
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#include <bootloader_flash.h>
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#include <esp_flash_internal.h>
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#include <esp_log.h>
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#include <console_init.h>
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#include <flash_init.h>
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#include <soc_flash_init.h>
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#include <soc_init.h>
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#include <soc_random.h>
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const static char *TAG = "hw_init";
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int hardware_init(void)
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{
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int err = 0;
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#if XCHAL_ERRATUM_572
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uint32_t memctl = XCHAL_CACHE_MEMCTL_DEFAULT;
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WSR(MEMCTL, memctl);
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#endif /*XCHAL_ERRATUM_572*/
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#ifdef CONFIG_BOOTLOADER_REGION_PROTECTION_ENABLE
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esp_cpu_configure_region_protection();
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#endif
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#if CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V
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rtc_vddsdio_config_t cfg = rtc_vddsdio_get_config();
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if (cfg.enable == 1 && cfg.tieh == RTC_VDDSDIO_TIEH_1_8V) {
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cfg.drefh = 3;
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cfg.drefm = 3;
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cfg.drefl = 3;
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cfg.force = 1;
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rtc_vddsdio_set_config(cfg);
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esp_rom_delay_us(10);
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}
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#endif /* CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V */
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bootloader_clock_configure();
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/* initialize console, from now on, we can log */
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esp_console_init();
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print_banner();
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spi_flash_init_chip_state();
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err = esp_flash_init_default_chip();
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if (err != 0) {
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ESP_EARLY_LOGE(TAG, "Failed to init flash chip, error %d", err);
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return err;
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}
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reset_mmu();
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flash_update_id();
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err = bootloader_flash_xmc_startup();
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if (err != 0) {
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ESP_EARLY_LOGE(TAG, "failed when running XMC startup flow, reboot!");
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return err;
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}
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err = read_bootloader_header();
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if (err != 0) {
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return err;
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}
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err = check_bootloader_validity();
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if (err != 0) {
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return err;
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}
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err = init_spi_flash();
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if (err != 0) {
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return err;
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}
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check_wdt_reset();
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config_wdt();
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soc_random_enable();
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return 0;
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}
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