esp32c6: add bootloader support

This commit is contained in:
wuzhenghui 2022-07-08 16:46:11 +08:00 committed by Song Ruo Jing
parent a9f15d1556
commit 1c820b0a6d
22 changed files with 922 additions and 28 deletions

View File

@ -0,0 +1,200 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/** Simplified memory map for the bootloader.
* Make sure the bootloader can load into main memory without overwriting itself.
* We put 2nd bootloader in the high address space (before ROM stack/data/bss).
* See memory usage for ROM bootloader at the end of this file.
*/
MEMORY
{
iram_seg (RWX) : org = 0x4086E000, len = 0x2000
iram_loader_seg (RWX) : org = 0x40870000, len = 0x6000
dram_seg (RW) : org = 0x40876000, len = 0x4000
}
/* Default entry point: */
ENTRY(call_start_cpu0);
SECTIONS
{
.iram_loader.text :
{
. = ALIGN (16);
_loader_text_start = ABSOLUTE(.);
*(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
*(.iram1 .iram1.*) /* catch stray IRAM_ATTR */
*liblog.a:(.literal .text .literal.* .text.*)
*libgcc.a:(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_clock_loader.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_common_loader.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_flash.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_random.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_random*.*(.literal.bootloader_random_disable .text.bootloader_random_disable)
*libbootloader_support.a:bootloader_random*.*(.literal.bootloader_random_enable .text.bootloader_random_enable)
*libbootloader_support.a:bootloader_efuse.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_utility.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_sha.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_console_loader.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_panic.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:bootloader_soc.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:esp_image_format.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:flash_encrypt.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:flash_encryption_secure_features.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:flash_partitions.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:secure_boot.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:secure_boot_secure_features.*(.literal .text .literal.* .text.*)
*libbootloader_support.a:secure_boot_signatures_bootloader.*(.literal .text .literal.* .text.*)
*libmicro-ecc.a:*.*(.literal .text .literal.* .text.*)
*libspi_flash.a:*.*(.literal .text .literal.* .text.*)
*libhal.a:wdt_hal_iram.*(.literal .text .literal.* .text.*)
*libhal.a:mmu_hal.*(.literal .text .literal.* .text.*)
*libhal.a:cache_hal.*(.literal .text .literal.* .text.*)
*libhal.a:efuse_hal.*(.literal .text .literal.* .text.*)
*libesp_hw_support.a:rtc_clk.*(.literal .text .literal.* .text.*)
*libesp_hw_support.a:rtc_time.*(.literal .text .literal.* .text.*)
*libesp_hw_support.a:regi2c_ctrl.*(.literal .text .literal.* .text.*)
*libefuse.a:*.*(.literal .text .literal.* .text.*)
*(.fini.literal)
*(.fini)
*(.gnu.version)
_loader_text_end = ABSOLUTE(.);
} > iram_loader_seg
.iram.text :
{
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
} > iram_seg
/* Shared RAM */
.dram0.bss (NOLOAD) :
{
. = ALIGN (8);
_dram_start = ABSOLUTE(.);
_bss_start = ABSOLUTE(.);
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
*(.sbss2)
*(.sbss2.*)
*(.gnu.linkonce.sb2.*)
*(.dynbss)
*(.bss)
*(.bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN (8);
_bss_end = ABSOLUTE(.);
} > dram_seg
.dram0.data :
{
_data_start = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.gnu.linkonce.s2.*)
*(.jcr)
_data_end = ABSOLUTE(.);
} > dram_seg
.dram0.rodata :
{
_rodata_start = ABSOLUTE(.);
*(.rodata)
*(.rodata.*)
*(.gnu.linkonce.r.*)
*(.rodata1)
*(.sdata2 .sdata2.* .srodata .srodata.*)
__XT_EXCEPTION_TABLE_ = ABSOLUTE(.);
*(.xt_except_table)
*(.gcc_except_table)
*(.gnu.linkonce.e.*)
*(.gnu.version_r)
*(.eh_frame)
. = (. + 3) & ~ 3;
/* C++ constructor and destructor tables, properly ordered: */
__init_array_start = ABSOLUTE(.);
KEEP (*crtbegin.*(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.*) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__init_array_end = ABSOLUTE(.);
KEEP (*crtbegin.*(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.*) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
/* C++ exception handlers table: */
__XT_EXCEPTION_DESCS_ = ABSOLUTE(.);
*(.xt_except_desc)
*(.gnu.linkonce.h.*)
__XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.);
*(.xt_except_desc_end)
*(.dynamic)
*(.gnu.version_d)
_rodata_end = ABSOLUTE(.);
/* Literals are also RO data. */
_lit4_start = ABSOLUTE(.);
*(*.lit4)
*(.lit4.*)
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
. = ALIGN(4);
_dram_end = ABSOLUTE(.);
} > dram_seg
.iram.text :
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
*(.iram .iram.*) /* catch stray IRAM_ATTR */
*(.fini.literal)
*(.fini)
*(.gnu.version)
/** CPU will try to prefetch up to 16 bytes of
* of instructions. This means that any configuration (e.g. MMU, PMS) must allow
* safe access to up to 16 bytes after the last real instruction, add
* dummy bytes to ensure this
*/
. += 16;
_text_end = ABSOLUTE(.);
_etext = .;
} > iram_seg
}
/**
* Appendix: Memory Usage of ROM bootloader
*
* +--------+--------------+------+ 0x3FCC_AE00
* | ^ |
* | | |
* | | data/bss |
* | | |
* | v |
* +------------------------------+ 0x3FCD_C710
* | ^ |
* | | |
* | | stack |
* | | |
* | v |
* +------------------------------+ 0x3FCD_E710
*/

View File

@ -0,0 +1,6 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/* No definition for ESP32-C6 target */

View File

@ -128,9 +128,9 @@ static const char *TAG = "bootloader_flash";
50th block for bootloader_flash_read
*/
#define MMU_BLOCK0_VADDR SOC_DROM_LOW
#define MMU_SIZE (0x320000)
#define MMU_BLOCK50_VADDR (MMU_BLOCK0_VADDR + MMU_SIZE)
#define FLASH_READ_VADDR MMU_BLOCK50_VADDR
#define MMAP_MMU_SIZE (0x320000)
#define MMU_BLOCK50_VADDR (MMU_BLOCK0_VADDR + MMAP_MMU_SIZE)
#define FLASH_READ_VADDR MMU_BLOCK50_VADDR
#else // !CONFIG_IDF_TARGET_ESP32
@ -139,15 +139,15 @@ static const char *TAG = "bootloader_flash";
*/
#define MMU_BLOCK0_VADDR SOC_DROM_LOW
#ifdef SOC_MMU_PAGE_SIZE_CONFIGURABLE
#define MMU_SIZE (DRAM0_CACHE_ADDRESS_HIGH(SPI_FLASH_MMU_PAGE_SIZE) - DRAM0_CACHE_ADDRESS_LOW - SPI_FLASH_MMU_PAGE_SIZE) // This mmu size means that the mmu size to be mapped
#define MMAP_MMU_SIZE (DRAM0_CACHE_ADDRESS_HIGH(SPI_FLASH_MMU_PAGE_SIZE) - DRAM0_CACHE_ADDRESS_LOW - SPI_FLASH_MMU_PAGE_SIZE) // This mmu size means that the mmu size to be mapped
#else
#define MMU_SIZE (DRAM0_CACHE_ADDRESS_HIGH - DRAM0_CACHE_ADDRESS_LOW - SPI_FLASH_MMU_PAGE_SIZE) // This mmu size means that the mmu size to be mapped
#define MMAP_MMU_SIZE (DRAM0_CACHE_ADDRESS_HIGH - DRAM0_CACHE_ADDRESS_LOW - SPI_FLASH_MMU_PAGE_SIZE) // This mmu size means that the mmu size to be mapped
#endif
#define MMU_BLOCK63_VADDR (MMU_BLOCK0_VADDR + MMU_SIZE)
#define MMU_BLOCK63_VADDR (MMU_BLOCK0_VADDR + MMAP_MMU_SIZE)
#define FLASH_READ_VADDR MMU_BLOCK63_VADDR
#endif
#define MMU_FREE_PAGES (MMU_SIZE / FLASH_BLOCK_SIZE)
#define MMU_FREE_PAGES (MMAP_MMU_SIZE / CONFIG_MMU_PAGE_SIZE)
static bool mapped;
@ -169,7 +169,7 @@ const void *bootloader_mmap(uint32_t src_paddr, uint32_t size)
ESP_EARLY_LOGE(TAG, "tried to bootloader_mmap twice");
return NULL; /* can't map twice */
}
if (size > MMU_SIZE) {
if (size > MMAP_MMU_SIZE) {
ESP_EARLY_LOGE(TAG, "bootloader_mmap excess size %x", size);
return NULL;
}
@ -769,10 +769,8 @@ esp_err_t IRAM_ATTR bootloader_flash_reset_chip(void)
bootloader_execute_flash_command(0x05, 0, 0, 0);
#if CONFIG_IDF_TARGET_ESP32
if (SPI1.ext2.st != 0)
#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
if (SPIMEM1.fsm.st != 0)
#else
if (SPIMEM1.fsm.spi0_mst_st != 0)
if (!spimem_flash_ll_host_idle(&SPIMEM1))
#endif
{
return ESP_FAIL;

View File

@ -0,0 +1,69 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdbool.h>
#include <assert.h>
#include "string.h"
#include "sdkconfig.h"
#include "esp_err.h"
#include "esp_log.h"
#include "esp32c6/rom/gpio.h"
#include "esp32c6/rom/spi_flash.h"
#include "esp32c6/rom/efuse.h"
#include "soc/gpio_periph.h"
#include "soc/efuse_reg.h"
#include "soc/spi_reg.h"
#include "soc/spi_mem_reg.h"
#include "soc/soc_caps.h"
#include "flash_qio_mode.h"
#include "bootloader_flash_config.h"
#include "bootloader_common.h"
void bootloader_flash_update_id()
{
esp_rom_spiflash_chip_t *chip = &rom_spiflash_legacy_data->chip;
chip->device_id = bootloader_read_flash_id();
}
void IRAM_ATTR bootloader_flash_cs_timing_config()
{
SET_PERI_REG_MASK(SPI_MEM_USER_REG(0), SPI_MEM_CS_HOLD_M | SPI_MEM_CS_SETUP_M);
SET_PERI_REG_BITS(SPI_MEM_CTRL2_REG(0), SPI_MEM_CS_HOLD_TIME_V, 0, SPI_MEM_CS_HOLD_TIME_S);
SET_PERI_REG_BITS(SPI_MEM_CTRL2_REG(0), SPI_MEM_CS_SETUP_TIME_V, 0, SPI_MEM_CS_SETUP_TIME_S);
}
void IRAM_ATTR bootloader_flash_clock_config(const esp_image_header_t *pfhdr)
{
uint32_t spi_clk_div = 0;
switch (pfhdr->spi_speed) {
case ESP_IMAGE_SPI_SPEED_DIV_1:
spi_clk_div = 1;
break;
case ESP_IMAGE_SPI_SPEED_DIV_2:
spi_clk_div = 2;
break;
case ESP_IMAGE_SPI_SPEED_DIV_3:
spi_clk_div = 3;
break;
case ESP_IMAGE_SPI_SPEED_DIV_4:
spi_clk_div = 4;
break;
default:
break;
}
esp_rom_spiflash_config_clk(spi_clk_div, 0);
}
void IRAM_ATTR bootloader_flash_set_dummy_out(void)
{
REG_SET_BIT(SPI_MEM_CTRL_REG(0), /*SPI_MEM_FDUMMY_OUT |*/ SPI_MEM_D_POL | SPI_MEM_Q_POL); // TODO: IDF-5631 ESP32C6 not have SPI_MEM_FDUMMY_OUT
REG_SET_BIT(SPI_MEM_CTRL_REG(1), /*SPI_MEM_FDUMMY_OUT |*/ SPI_MEM_D_POL | SPI_MEM_Q_POL); // TODO: idf-5631 ESP32C6 not have SPI_MEM_FDUMMY_OUT
}
void IRAM_ATTR bootloader_flash_dummy_config(const esp_image_header_t *pfhdr)
{
bootloader_configure_spi_pins(1);
bootloader_flash_set_dummy_out();
}

View File

@ -106,8 +106,8 @@ static void s_flash_set_qio_pins(void)
const uint32_t spiconfig = esp_rom_efuse_get_flash_gpio_info();
int wp_pin = bootloader_flash_get_wp_pin();
esp_rom_spiflash_select_qio_pins(wp_pin, spiconfig);
#elif CONFIG_IDF_TARGET_ESP32C2
// ESP32C2 doesn't support configure mspi pins. So the second
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C6 // TODO: IDF-5649 Add a soc_caps
// ESP32C2/ESP32C6 doesn't support configure mspi pins. So the second
// parameter is set to 0, means that chip uses default SPI pins
// and wp_gpio_num parameter(the first parameter) is ignored.
esp_rom_spiflash_select_qio_pins(0, 0);

View File

@ -22,6 +22,7 @@ typedef enum {
#elif CONFIG_IDF_TARGET_ESP32H2_BETA_VERSION_1
ESP_CHIP_ID_ESP32H2 = 0x000A, /*!< chip ID: ESP32-H2 Beta1 */
#endif
ESP_CHIP_ID_ESP32C6 = 0x000D, /*!< chip ID: ESP32-C6 */
ESP_CHIP_ID_INVALID = 0xFFFF /*!< Invalid chip ID (we defined it to make sure the esp_chip_id_t is 2 bytes size) */
} __attribute__((packed)) esp_chip_id_t;

View File

@ -21,6 +21,8 @@
#include "esp32h2/rom/secure_boot.h"
#elif CONFIG_IDF_TARGET_ESP32C2
#include "esp32c2/rom/secure_boot.h"
#elif CONFIG_IDF_TARGET_ESP32C6
#include "esp32c6/rom/secure_boot.h"
#endif
#if !CONFIG_IDF_TARGET_ESP32 || CONFIG_ESP32_REV_MIN_3

View File

@ -7,7 +7,16 @@
#include "soc/soc.h"
#include "soc/rtc.h"
#include "hal/efuse_hal.h"
#if !CONFIG_IDF_TARGET_ESP32C6 // TODO: IDF-5645
#include "soc/rtc_cntl_reg.h"
#else
#include "soc/lp_wdt_reg.h"
#include "soc/lp_timer_reg.h"
#include "soc/lp_analog_peri_reg.h"
#include "soc/pmu_reg.h"
#endif
#if CONFIG_IDF_TARGET_ESP32
#include "hal/clk_tree_ll.h"
#endif
@ -65,6 +74,24 @@ __attribute__((weak)) void bootloader_clock_configure(void)
}
#endif // CONFIG_ESP_SYSTEM_RTC_EXT_XTAL
// TODO: IDF-5645
#if CONFIG_IDF_TARGET_ESP32C6
// CLR ENA
CLEAR_PERI_REG_MASK(LP_WDT_INT_ENA_REG, LP_WDT_SUPER_WDT_INT_ENA); /* SWD */
CLEAR_PERI_REG_MASK(LP_TIMER_LP_INT_ENA_REG, LP_TIMER_MAIN_TIMER_LP_INT_ENA); /* MAIN_TIMER */
CLEAR_PERI_REG_MASK(LP_ANALOG_PERI_LP_ANA_LP_INT_ENA_REG, LP_ANALOG_PERI_LP_ANA_BOD_MODE0_LP_INT_ENA); /* BROWN_OUT */
CLEAR_PERI_REG_MASK(LP_WDT_INT_ENA_REG, LP_WDT_LP_WDT_INT_ENA); /* WDT */
CLEAR_PERI_REG_MASK(PMU_HP_INT_ENA_REG, PMU_SOC_WAKEUP_INT_ENA); /* SLP_REJECT */
CLEAR_PERI_REG_MASK(PMU_SOC_SLEEP_REJECT_INT_ENA, PMU_SOC_SLEEP_REJECT_INT_ENA); /* SLP_WAKEUP */
// SET CLR
SET_PERI_REG_MASK(LP_WDT_INT_CLR_REG, LP_WDT_SUPER_WDT_INT_CLR); /* SWD */
SET_PERI_REG_MASK(LP_TIMER_LP_INT_CLR_REG, LP_TIMER_MAIN_TIMER_LP_INT_CLR); /* MAIN_TIMER */
SET_PERI_REG_MASK(LP_ANALOG_PERI_LP_ANA_LP_INT_CLR_REG, LP_ANALOG_PERI_LP_ANA_BOD_MODE0_LP_INT_CLR); /* BROWN_OUT */
SET_PERI_REG_MASK(LP_WDT_INT_CLR_REG, LP_WDT_LP_WDT_INT_CLR); /* WDT */
SET_PERI_REG_MASK(PMU_HP_INT_CLR_REG, PMU_SOC_WAKEUP_INT_CLR); /* SLP_REJECT */
SET_PERI_REG_MASK(PMU_SOC_SLEEP_REJECT_INT_CLR, PMU_SOC_SLEEP_REJECT_INT_CLR); /* SLP_WAKEUP */
#else
REG_WRITE(RTC_CNTL_INT_ENA_REG, 0);
REG_WRITE(RTC_CNTL_INT_CLR_REG, UINT32_MAX);
#endif
}

View File

@ -28,6 +28,9 @@
#elif CONFIG_IDF_TARGET_ESP32C2
#include "esp32c2/rom/ets_sys.h"
#include "esp32c2/rom/uart.h"
#elif CONFIG_IDF_TARGET_ESP32C6
#include "esp32c6/rom/ets_sys.h"
#include "esp32c6/rom/uart.h"
#endif
#include "esp_rom_gpio.h"
#include "esp_rom_uart.h"

View File

@ -30,6 +30,9 @@ int bootloader_clock_get_rated_freq_mhz(void)
#elif CONFIG_IDF_TARGET_ESP32H2
return 96;
#elif CONFIG_IDF_TARGET_ESP32C6
return 160;
#elif CONFIG_IDF_TARGET_ESP32S2
return 240;

View File

@ -58,27 +58,31 @@ void bootloader_config_wdt(void)
* protect the remainder of the bootloader process.
*/
//Disable RWDT flashboot protection.
wdt_hal_context_t rtc_wdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &RTCCNTL};
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
wdt_hal_set_flashboot_en(&rtc_wdt_ctx, false);
wdt_hal_write_protect_enable(&rtc_wdt_ctx);
#if CONFIG_IDF_TARGET_ESP32C6 // TODO: IDF-5653
wdt_hal_context_t rwdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &LP_WDT};
#else
wdt_hal_context_t rwdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &RTCCNTL};
#endif
wdt_hal_write_protect_disable(&rwdt_ctx);
wdt_hal_set_flashboot_en(&rwdt_ctx, false);
wdt_hal_write_protect_enable(&rwdt_ctx);
#ifdef CONFIG_BOOTLOADER_WDT_ENABLE
//Initialize and start RWDT to protect the for bootloader if configured to do so
ESP_LOGD(TAG, "Enabling RTCWDT(%d ms)", CONFIG_BOOTLOADER_WDT_TIME_MS);
wdt_hal_init(&rtc_wdt_ctx, WDT_RWDT, 0, false);
wdt_hal_init(&rwdt_ctx, WDT_RWDT, 0, false);
uint32_t stage_timeout_ticks = (uint32_t)((uint64_t)CONFIG_BOOTLOADER_WDT_TIME_MS * rtc_clk_slow_freq_get_hz() / 1000);
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
wdt_hal_config_stage(&rtc_wdt_ctx, WDT_STAGE0, stage_timeout_ticks, WDT_STAGE_ACTION_RESET_RTC);
wdt_hal_enable(&rtc_wdt_ctx);
wdt_hal_write_protect_enable(&rtc_wdt_ctx);
wdt_hal_write_protect_disable(&rwdt_ctx);
wdt_hal_config_stage(&rwdt_ctx, WDT_STAGE0, stage_timeout_ticks, WDT_STAGE_ACTION_RESET_RTC);
wdt_hal_enable(&rwdt_ctx);
wdt_hal_write_protect_enable(&rwdt_ctx);
#endif
//Disable MWDT0 flashboot protection. But only after we've enabled the RWDT first so that there's not gap in WDT protection.
wdt_hal_context_t wdt_ctx = {.inst = WDT_MWDT0, .mwdt_dev = &TIMERG0};
wdt_hal_write_protect_disable(&wdt_ctx);
wdt_hal_set_flashboot_en(&wdt_ctx, false);
wdt_hal_write_protect_enable(&wdt_ctx);
wdt_hal_context_t mwdt_ctx = {.inst = WDT_MWDT0, .mwdt_dev = &TIMERG0};
wdt_hal_write_protect_disable(&mwdt_ctx);
wdt_hal_set_flashboot_en(&mwdt_ctx, false);
wdt_hal_write_protect_enable(&mwdt_ctx);
}
void bootloader_enable_random(void)

View File

@ -12,8 +12,21 @@
#include "bootloader_mem.h"
#include "esp_cpu.h"
#if CONFIG_IDF_TARGET_ESP32C6
#include "soc/hp_apm_reg.h"
#include "soc/lp_apm_reg.h"
#include "soc/lp_apm0_reg.h"
#endif
void bootloader_init_mem(void)
{
#if CONFIG_IDF_TARGET_ESP32C6
// disable apm filter // TODO: IDF-5909
REG_WRITE(LP_APM_FUNC_CTRL_REG, 0);
REG_WRITE(LP_APM0_FUNC_CTRL_REG, 0);
REG_WRITE(HP_APM_FUNC_CTRL_REG, 0);
#endif
#ifdef CONFIG_BOOTLOADER_REGION_PROTECTION_ENABLE
// protect memory region
esp_cpu_configure_region_protection();

View File

@ -0,0 +1,22 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "sdkconfig.h"
#include "bootloader_random.h"
#include "esp_log.h"
static const char *TAG = "bootloader_random";
void bootloader_random_enable(void)
{
// TODO: IDF-5352
ESP_EARLY_LOGW(TAG, "bootloader_random_enable() has not been implemented yet");
}
void bootloader_random_disable(void)
{
// TODO: IDF-5352
ESP_EARLY_LOGW(TAG, "bootloader_random_enable() has not been implemented yet");
}

View File

@ -41,6 +41,13 @@
#include "esp32c2/rom/uart.h"
#include "esp32c2/rom/gpio.h"
#include "esp32c2/rom/secure_boot.h"
#elif CONFIG_IDF_TARGET_ESP32C6
#include "esp32c6/rom/efuse.h"
#include "esp32c6/rom/crc.h"
#include "esp32c6/rom/rtc.h"
#include "esp32c6/rom/uart.h"
#include "esp32c6/rom/gpio.h"
#include "esp32c6/rom/secure_boot.h"
#else // CONFIG_IDF_TARGET_*
#error "Unsupported IDF_TARGET"

View File

@ -0,0 +1,344 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include "sdkconfig.h"
#include "esp_attr.h"
#include "esp_log.h"
#include "esp_image_format.h"
#include "flash_qio_mode.h"
#include "esp_rom_gpio.h"
#include "esp_rom_efuse.h"
#include "esp_rom_uart.h"
#include "esp_rom_sys.h"
#include "esp_rom_spiflash.h"
#include "soc/gpio_sig_map.h"
#include "soc/io_mux_reg.h"
#include "soc/assist_debug_reg.h"
#include "esp_cpu.h"
#include "soc/rtc.h"
#include "soc/spi_periph.h"
#include "soc/extmem_reg.h"
#include "soc/io_mux_reg.h"
#include "soc/pcr_reg.h"
#include "esp32c6/rom/efuse.h"
#include "esp32c6/rom/ets_sys.h"
#include "bootloader_common.h"
#include "bootloader_init.h"
#include "bootloader_clock.h"
#include "bootloader_flash_config.h"
#include "bootloader_mem.h"
#include "esp_private/regi2c_ctrl.h"
#include "soc/regi2c_lp_bias.h"
#include "soc/regi2c_bias.h"
#include "bootloader_console.h"
#include "bootloader_flash_priv.h"
#include "bootloader_soc.h"
#include "esp_efuse.h"
#include "hal/mmu_hal.h"
#include "hal/cache_hal.h"
#include "soc/lp_wdt_reg.h"
#include "hal/efuse_hal.h"
static const char *TAG = "boot.esp32c6";
void IRAM_ATTR bootloader_configure_spi_pins(int drv)
{
// TODO: IDF-5649
const uint32_t spiconfig = 0;
uint8_t clk_gpio_num = SPI_CLK_GPIO_NUM;
uint8_t q_gpio_num = SPI_Q_GPIO_NUM;
uint8_t d_gpio_num = SPI_D_GPIO_NUM;
uint8_t cs0_gpio_num = SPI_CS0_GPIO_NUM;
uint8_t hd_gpio_num = SPI_HD_GPIO_NUM;
uint8_t wp_gpio_num = SPI_WP_GPIO_NUM;
if (spiconfig == 0) {
}
esp_rom_gpio_pad_set_drv(clk_gpio_num, drv);
esp_rom_gpio_pad_set_drv(q_gpio_num, drv);
esp_rom_gpio_pad_set_drv(d_gpio_num, drv);
esp_rom_gpio_pad_set_drv(cs0_gpio_num, drv);
if (hd_gpio_num <= MAX_PAD_GPIO_NUM) {
esp_rom_gpio_pad_set_drv(hd_gpio_num, drv);
}
if (wp_gpio_num <= MAX_PAD_GPIO_NUM) {
esp_rom_gpio_pad_set_drv(wp_gpio_num, drv);
}
}
static void update_flash_config(const esp_image_header_t *bootloader_hdr)
{
uint32_t size;
switch (bootloader_hdr->spi_size) {
case ESP_IMAGE_FLASH_SIZE_1MB:
size = 1;
break;
case ESP_IMAGE_FLASH_SIZE_2MB:
size = 2;
break;
case ESP_IMAGE_FLASH_SIZE_4MB:
size = 4;
break;
case ESP_IMAGE_FLASH_SIZE_8MB:
size = 8;
break;
case ESP_IMAGE_FLASH_SIZE_16MB:
size = 16;
break;
default:
size = 2;
}
cache_hal_disable(CACHE_TYPE_ALL);
// Set flash chip size
esp_rom_spiflash_config_param(rom_spiflash_legacy_data->chip.device_id, size * 0x100000, 0x10000, 0x1000, 0x100, 0xffff); // TODO: set mode
cache_hal_enable(CACHE_TYPE_ALL);
}
static void print_flash_info(const esp_image_header_t *bootloader_hdr)
{
ESP_LOGD(TAG, "magic %02x", bootloader_hdr->magic);
ESP_LOGD(TAG, "segments %02x", bootloader_hdr->segment_count);
ESP_LOGD(TAG, "spi_mode %02x", bootloader_hdr->spi_mode);
ESP_LOGD(TAG, "spi_speed %02x", bootloader_hdr->spi_speed);
ESP_LOGD(TAG, "spi_size %02x", bootloader_hdr->spi_size);
const char *str;
switch (bootloader_hdr->spi_speed) {
case ESP_IMAGE_SPI_SPEED_DIV_2:
str = "40MHz";
break;
case ESP_IMAGE_SPI_SPEED_DIV_3:
str = "26.7MHz";
break;
case ESP_IMAGE_SPI_SPEED_DIV_4:
str = "20MHz";
break;
case ESP_IMAGE_SPI_SPEED_DIV_1:
str = "80MHz";
break;
default:
str = "20MHz";
break;
}
ESP_LOGI(TAG, "SPI Speed : %s", str);
/* SPI mode could have been set to QIO during boot already,
so test the SPI registers not the flash header */
uint32_t spi_ctrl = REG_READ(SPI_MEM_CTRL_REG(0));
if (spi_ctrl & SPI_MEM_FREAD_QIO) {
str = "QIO";
} else if (spi_ctrl & SPI_MEM_FREAD_QUAD) {
str = "QOUT";
} else if (spi_ctrl & SPI_MEM_FREAD_DIO) {
str = "DIO";
} else if (spi_ctrl & SPI_MEM_FREAD_DUAL) {
str = "DOUT";
} else if (spi_ctrl & SPI_MEM_FASTRD_MODE) {
str = "FAST READ";
} else {
str = "SLOW READ";
}
ESP_LOGI(TAG, "SPI Mode : %s", str);
switch (bootloader_hdr->spi_size) {
case ESP_IMAGE_FLASH_SIZE_1MB:
str = "1MB";
break;
case ESP_IMAGE_FLASH_SIZE_2MB:
str = "2MB";
break;
case ESP_IMAGE_FLASH_SIZE_4MB:
str = "4MB";
break;
case ESP_IMAGE_FLASH_SIZE_8MB:
str = "8MB";
break;
case ESP_IMAGE_FLASH_SIZE_16MB:
str = "16MB";
break;
default:
str = "2MB";
break;
}
ESP_LOGI(TAG, "SPI Flash Size : %s", str);
}
static void IRAM_ATTR bootloader_init_flash_configure(void)
{
bootloader_flash_dummy_config(&bootloader_image_hdr);
bootloader_flash_cs_timing_config();
}
static void bootloader_spi_flash_resume(void)
{
bootloader_execute_flash_command(CMD_RESUME, 0, 0, 0);
esp_rom_spiflash_wait_idle(&g_rom_flashchip);
}
static esp_err_t bootloader_init_spi_flash(void)
{
bootloader_init_flash_configure();
// TODO: IDF-5649
// #ifndef CONFIG_SPI_FLASH_ROM_DRIVER_PATCH
// const uint32_t spiconfig = esp_rom_efuse_get_flash_gpio_info();
// if (spiconfig != ESP_ROM_EFUSE_FLASH_DEFAULT_SPI && spiconfig != ESP_ROM_EFUSE_FLASH_DEFAULT_HSPI) {
// ESP_LOGE(TAG, "SPI flash pins are overridden. Enable CONFIG_SPI_FLASH_ROM_DRIVER_PATCH in menuconfig");
// return ESP_FAIL;
// }
// #endif
bootloader_spi_flash_resume();
bootloader_flash_unlock();
#if CONFIG_ESPTOOLPY_FLASHMODE_QIO || CONFIG_ESPTOOLPY_FLASHMODE_QOUT
bootloader_enable_qio_mode();
#endif
print_flash_info(&bootloader_image_hdr);
update_flash_config(&bootloader_image_hdr);
//ensure the flash is write-protected
bootloader_enable_wp();
return ESP_OK;
}
static void wdt_reset_cpu0_info_enable(void)
{
REG_SET_BIT(PCR_ASSIST_CONF_REG, PCR_ASSIST_CLK_EN);
REG_CLR_BIT(PCR_ASSIST_CONF_REG, PCR_ASSIST_RST_EN);
REG_WRITE(ASSIST_DEBUG_CORE_0_RCD_EN_REG, ASSIST_DEBUG_CORE_0_RCD_PDEBUGEN | ASSIST_DEBUG_CORE_0_RCD_RECORDEN);
}
static void wdt_reset_info_dump(int cpu)
{
(void) cpu;
// saved PC was already printed by the ROM bootloader.
// nothing to do here.
}
static void bootloader_check_wdt_reset(void)
{
int wdt_rst = 0;
soc_reset_reason_t rst_reason = esp_rom_get_reset_reason(0);
if (rst_reason == RESET_REASON_CORE_RTC_WDT || rst_reason == RESET_REASON_CORE_MWDT0 || rst_reason == RESET_REASON_CORE_MWDT1 ||
rst_reason == RESET_REASON_CPU0_MWDT0 || rst_reason == RESET_REASON_CPU0_MWDT1 || rst_reason == RESET_REASON_CPU0_RTC_WDT) {
ESP_LOGW(TAG, "PRO CPU has been reset by WDT.");
wdt_rst = 1;
}
if (wdt_rst) {
// if reset by WDT dump info from trace port
wdt_reset_info_dump(0);
}
wdt_reset_cpu0_info_enable();
}
static void bootloader_super_wdt_auto_feed(void)
{
REG_WRITE(LP_WDT_WPROTECT_REG, RTC_CNTL_SWD_WKEY_VALUE);
REG_SET_BIT(LP_WDT_SWD_CONFIG_REG, LP_WDT_SWD_AUTO_FEED_EN);
REG_WRITE(LP_WDT_WPROTECT_REG, 0);
}
static inline void bootloader_hardware_init(void)
{
// TODO: IDF-5990 copied from C3, need update
// This check is always included in the bootloader so it can
// print the minimum revision error message later in the boot
if (efuse_hal_get_minor_chip_version() < 3) {
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_IPH, 1);
REGI2C_WRITE_MASK(I2C_BIAS, I2C_BIAS_DREG_1P1_PVT, 12);
}
}
static inline void bootloader_ana_reset_config(void)
{
// TODO: IDF-5990 copied from C3, need update
/*
esp32c6 has removed super wdt!
For origin chip & ECO1: only support swt reset;
For ECO2: fix brownout reset bug, support swt & brownout reset;
For ECO3: fix clock glitch reset bug, support all reset, include: swt & brownout & clock glitch reset.
*/
uint8_t chip_version = efuse_hal_get_minor_chip_version();
switch (chip_version) {
case 0:
case 1:
//Disable BOR and GLITCH reset
bootloader_ana_bod_reset_config(false);
bootloader_ana_clock_glitch_reset_config(false);
break;
case 2:
//Enable BOR reset. Disable GLITCH reset
bootloader_ana_bod_reset_config(true);
bootloader_ana_clock_glitch_reset_config(false);
break;
case 3:
default:
//Enable BOR, and GLITCH reset
bootloader_ana_bod_reset_config(true);
bootloader_ana_clock_glitch_reset_config(true);
break;
}
}
esp_err_t bootloader_init(void)
{
esp_err_t ret = ESP_OK;
bootloader_hardware_init();
bootloader_ana_reset_config();
bootloader_super_wdt_auto_feed();
// protect memory region
bootloader_init_mem();
/* check that static RAM is after the stack */
assert(&_bss_start <= &_bss_end);
assert(&_data_start <= &_data_end);
// clear bss section
bootloader_clear_bss_section();
// init eFuse virtual mode (read eFuses to RAM)
#ifdef CONFIG_EFUSE_VIRTUAL
ESP_LOGW(TAG, "eFuse virtual mode is enabled. If Secure boot or Flash encryption is enabled then it does not provide any security. FOR TESTING ONLY!");
#ifndef CONFIG_EFUSE_VIRTUAL_KEEP_IN_FLASH
esp_efuse_init_virtual_mode_in_ram();
#endif
#endif
//init cache hal
cache_hal_init();
//reset mmu
mmu_hal_init();
// config clock
bootloader_clock_configure();
// initialize console, from now on, we can use esp_log
bootloader_console_init();
/* print 2nd bootloader banner */
bootloader_print_banner();
// update flash ID
bootloader_flash_update_id();
// Check and run XMC startup flow
if ((ret = bootloader_flash_xmc_startup()) != ESP_OK) {
ESP_LOGE(TAG, "failed when running XMC startup flow, reboot!");
goto err;
}
// read bootloader header
if ((ret = bootloader_read_bootloader_header()) != ESP_OK) {
goto err;
}
// read chip revision and check if it's compatible to bootloader
if ((ret = bootloader_check_bootloader_validity()) != ESP_OK) {
goto err;
}
// initialize spi flash
if ((ret = bootloader_init_spi_flash()) != ESP_OK) {
goto err;
}
// check whether a WDT reset happend
bootloader_check_wdt_reset();
// config WDT
bootloader_config_wdt();
// enable RNG early entropy source
bootloader_enable_random();
err:
return ret;
}

View File

@ -0,0 +1,40 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "bootloader_sha.h"
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <sys/param.h>
#include "esp32c6/rom/sha.h"
static SHA_CTX ctx;
bootloader_sha256_handle_t bootloader_sha256_start()
{
// Enable SHA hardware
ets_sha_enable();
ets_sha_init(&ctx, SHA2_256);
return &ctx; // Meaningless non-NULL value
}
void bootloader_sha256_data(bootloader_sha256_handle_t handle, const void *data, size_t data_len)
{
assert(handle != NULL);
assert(data_len % 4 == 0);
ets_sha_update(&ctx, data, data_len, false);
}
void bootloader_sha256_finish(bootloader_sha256_handle_t handle, uint8_t *digest)
{
assert(handle != NULL);
if (digest == NULL) {
bzero(&ctx, sizeof(ctx));
return;
}
ets_sha_finish(&ctx, digest);
}

View File

@ -0,0 +1,28 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdbool.h>
#include "soc/soc.h"
#include "soc/lp_analog_peri_reg.h"
void bootloader_ana_bod_reset_config(bool enable)
{
REG_CLR_BIT(LP_ANALOG_PERI_LP_ANA_FIB_ENABLE_REG, LP_ANALOG_PERI_LP_ANA_FIB_BOR_RST);
if (enable) {
REG_SET_BIT(LP_ANALOG_PERI_LP_ANA_BOD_MODE1_CNTL_REG, LP_ANALOG_PERI_LP_ANA_BOD_MODE1_RESET_ENA);
} else {
REG_CLR_BIT(LP_ANALOG_PERI_LP_ANA_BOD_MODE1_CNTL_REG, LP_ANALOG_PERI_LP_ANA_BOD_MODE1_RESET_ENA);
}
}
void bootloader_ana_clock_glitch_reset_config(bool enable)
{
REG_CLR_BIT(LP_ANALOG_PERI_LP_ANA_FIB_ENABLE_REG, LP_ANALOG_PERI_LP_ANA_FIB_GLITCH_RST);
if (enable) {
REG_SET_BIT(LP_ANALOG_PERI_LP_ANA_CK_GLITCH_CNTL_REG, LP_ANALOG_PERI_LP_ANA_CK_GLITCH_RESET_ENA);
} else {
REG_CLR_BIT(LP_ANALOG_PERI_LP_ANA_CK_GLITCH_CNTL_REG, LP_ANALOG_PERI_LP_ANA_CK_GLITCH_RESET_ENA);
}
}

View File

@ -0,0 +1,50 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <strings.h>
#include "esp_flash_encrypt.h"
#include "esp_secure_boot.h"
#include "esp_efuse.h"
#include "esp_efuse_table.h"
#include "esp_log.h"
#include "sdkconfig.h"
static __attribute__((unused)) const char *TAG = "flash_encrypt";
esp_err_t esp_flash_encryption_enable_secure_features(void)
{
#ifndef CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC
ESP_LOGI(TAG, "Disable UART bootloader encryption...");
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT);
#else
ESP_LOGW(TAG, "Not disabling UART bootloader encryption");
#endif
#ifndef CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_CACHE
ESP_LOGI(TAG, "Disable UART bootloader cache...");
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_ICACHE);
#else
ESP_LOGW(TAG, "Not disabling UART bootloader cache - SECURITY COMPROMISED");
#endif
#ifndef CONFIG_SECURE_BOOT_ALLOW_JTAG
ESP_LOGI(TAG, "Disable JTAG...");
esp_efuse_write_field_bit(ESP_EFUSE_DIS_PAD_JTAG);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_USB_JTAG);
#else
ESP_LOGW(TAG, "Not disabling JTAG - SECURITY COMPROMISED");
#endif
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DIRECT_BOOT);
#if defined(CONFIG_SECURE_BOOT_V2_ENABLED) && !defined(CONFIG_SECURE_BOOT_V2_ALLOW_EFUSE_RD_DIS)
// This bit is set when enabling Secure Boot V2, but we can't enable it until this later point in the first boot
// otherwise the Flash Encryption key cannot be read protected
esp_efuse_write_field_bit(ESP_EFUSE_WR_DIS_RD_DIS);
#endif
return ESP_OK;
}

View File

@ -0,0 +1,70 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <strings.h>
#include "esp_flash_encrypt.h"
#include "esp_secure_boot.h"
#include "esp_efuse.h"
#include "esp_efuse_table.h"
#include "esp_log.h"
#include "sdkconfig.h"
static __attribute__((unused)) const char *TAG = "secure_boot";
esp_err_t esp_secure_boot_enable_secure_features(void)
{
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DIRECT_BOOT);
#ifdef CONFIG_SECURE_ENABLE_SECURE_ROM_DL_MODE
ESP_LOGI(TAG, "Enabling Security download mode...");
esp_err_t err = esp_efuse_enable_rom_secure_download_mode();
if (err != ESP_OK) {
ESP_LOGE(TAG, "Could not enable Security download mode...");
return err;
}
#elif CONFIG_SECURE_DISABLE_ROM_DL_MODE
ESP_LOGI(TAG, "Disable ROM Download mode...");
esp_err_t err = esp_efuse_disable_rom_download_mode();
if (err != ESP_OK) {
ESP_LOGE(TAG, "Could not disable ROM Download mode...");
return err;
}
#else
ESP_LOGW(TAG, "UART ROM Download mode kept enabled - SECURITY COMPROMISED");
#endif
#ifndef CONFIG_SECURE_BOOT_ALLOW_JTAG
ESP_LOGI(TAG, "Disable hardware & software JTAG...");
esp_efuse_write_field_bit(ESP_EFUSE_DIS_PAD_JTAG);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_USB_JTAG);
esp_efuse_write_field_cnt(ESP_EFUSE_SOFT_DIS_JTAG, ESP_EFUSE_SOFT_DIS_JTAG[0]->bit_count);
#else
ESP_LOGW(TAG, "Not disabling JTAG - SECURITY COMPROMISED");
#endif
#ifdef CONFIG_SECURE_BOOT_ENABLE_AGGRESSIVE_KEY_REVOKE
esp_efuse_write_field_bit(ESP_EFUSE_SECURE_BOOT_AGGRESSIVE_REVOKE);
#endif
esp_efuse_write_field_bit(ESP_EFUSE_SECURE_BOOT_EN);
#ifndef CONFIG_SECURE_BOOT_V2_ALLOW_EFUSE_RD_DIS
bool rd_dis_now = true;
#ifdef CONFIG_SECURE_FLASH_ENC_ENABLED
/* If flash encryption is not enabled yet then don't read-disable efuses yet, do it later in the boot
when Flash Encryption is being enabled */
rd_dis_now = esp_flash_encryption_enabled();
#endif
if (rd_dis_now) {
ESP_LOGI(TAG, "Prevent read disabling of additional efuses...");
esp_efuse_write_field_bit(ESP_EFUSE_WR_DIS_RD_DIS);
}
#else
ESP_LOGW(TAG, "Allowing read disabling of additional efuses - SECURITY COMPROMISED");
#endif
return ESP_OK;
}

View File

@ -34,6 +34,9 @@
#elif CONFIG_IDF_TARGET_ESP32C2
#include "esp32c2/rom/rtc.h"
#include "esp32c2/rom/secure_boot.h"
#elif CONFIG_IDF_TARGET_ESP32C6
#include "esp32c6/rom/rtc.h"
#include "esp32c6/rom/secure_boot.h"
#endif
#define ALIGN_UP(num, align) (((num) + ((align) - 1)) & ~((align) - 1))

View File

@ -142,7 +142,7 @@ esp_flash_enc_mode_t esp_get_flash_encryption_mode(void)
if (dis_dl_enc && dis_dl_icache && dis_dl_dcache) {
mode = ESP_FLASH_ENC_MODE_RELEASE;
}
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2 || CONFIG_IDF_TARGET_ESP32C6
bool dis_dl_enc = esp_efuse_read_field_bit(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT);
bool dis_dl_icache = esp_efuse_read_field_bit(ESP_EFUSE_DIS_DOWNLOAD_ICACHE);
if (dis_dl_enc && dis_dl_icache) {
@ -191,7 +191,7 @@ void esp_flash_encryption_set_release_mode(void)
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_ICACHE);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_DCACHE);
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32H2 || CONFIG_IDF_TARGET_ESP32C6
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_ICACHE);
#ifdef CONFIG_SOC_FLASH_ENCRYPTION_XTS_AES_128_DERIVED

View File

@ -429,7 +429,11 @@ esp_err_t esp_flash_encrypt_region(uint32_t src_addr, size_t data_length)
return ESP_FAIL;
}
#if CONFIG_IDF_TARGET_ESP32C6 // TODO: IDF-5653
wdt_hal_context_t rtc_wdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &LP_WDT};
#else
wdt_hal_context_t rtc_wdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &RTCCNTL};
#endif
for (size_t i = 0; i < data_length; i += FLASH_SECTOR_SIZE) {
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
wdt_hal_feed(&rtc_wdt_ctx);