espressif:esp32s3: Add esp32s3 initial support
ESP32-S3 target and related files added to the Espressif port.
Signed-off-by: Almir Okato <almir.okato@espressif.com>
diff --git a/boot/espressif/CMakeLists.txt b/boot/espressif/CMakeLists.txt
index 1d8afb5..0aa9dc2 100644
--- a/boot/espressif/CMakeLists.txt
+++ b/boot/espressif/CMakeLists.txt
@@ -13,7 +13,8 @@
add_definitions(-DMCUBOOT_TARGET=${MCUBOOT_TARGET})
if ("${MCUBOOT_TARGET}" STREQUAL "esp32" OR
- "${MCUBOOT_TARGET}" STREQUAL "esp32s2")
+ "${MCUBOOT_TARGET}" STREQUAL "esp32s2" OR
+ "${MCUBOOT_TARGET}" STREQUAL "esp32s3")
set(MCUBOOT_ARCH "xtensa")
elseif("${MCUBOOT_TARGET}" STREQUAL "esp32c3")
set(MCUBOOT_ARCH "riscv")
diff --git a/boot/espressif/hal/CMakeLists.txt b/boot/espressif/hal/CMakeLists.txt
index 742e140..3b767a9 100644
--- a/boot/espressif/hal/CMakeLists.txt
+++ b/boot/espressif/hal/CMakeLists.txt
@@ -19,14 +19,17 @@
${esp_idf_dir}/components/esp_common/include
${esp_idf_dir}/components/esp_rom/include
${esp_idf_dir}/components/esp_rom/include/${MCUBOOT_TARGET}
+ ${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}
${esp_idf_dir}/components/spi_flash/include
${esp_idf_dir}/components/spi_flash/include/spi_flash
- ${esp_idf_dir}/components/soc/include
- ${esp_idf_dir}/components/soc/${MCUBOOT_TARGET}/include
${esp_idf_dir}/components/esp_hw_support/include
${esp_idf_dir}/components/esp_hw_support/include/soc
+ ${esp_idf_dir}/components/esp_hw_support/include/soc/${MCUBOOT_TARGET}
+ ${esp_idf_dir}/components/esp_hw_support/port/include
${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}
${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/private_include
+ ${esp_idf_dir}/components/soc/include
+ ${esp_idf_dir}/components/soc/${MCUBOOT_TARGET}/include
${esp_idf_dir}/components/bootloader_support/include
${esp_idf_dir}/components/bootloader_support/include_bootloader
${esp_idf_dir}/components/hal/include
@@ -41,12 +44,6 @@
${esp_idf_dir}/components/newlib/platform_include
)
-if("${MCUBOOT_TARGET}" STREQUAL "esp32")
- list(APPEND include_dirs
- ${esp_idf_dir}/components/${MCUBOOT_TARGET}/include
- )
-endif()
-
if("${MCUBOOT_ARCH}" STREQUAL "xtensa")
list(APPEND include_dirs
${esp_idf_dir}/components/${MCUBOOT_ARCH}/${MCUBOOT_TARGET}/include
@@ -72,6 +69,7 @@
${esp_idf_dir}/components/bootloader_support/src/bootloader_utility.c
${esp_idf_dir}/components/bootloader_support/src/esp_image_format.c
${esp_idf_dir}/components/bootloader_support/src/secure_boot_v2/secure_boot_signatures_bootloader.c
+ ${esp_idf_dir}/components/bootloader_support/src/${MCUBOOT_TARGET}/bootloader_soc.c
${esp_idf_dir}/components/bootloader_support/src/${MCUBOOT_TARGET}/bootloader_sha.c
${esp_idf_dir}/components/bootloader_support/src/${MCUBOOT_TARGET}/secure_boot_secure_features.c
${esp_idf_dir}/components/bootloader_support/src/${MCUBOOT_TARGET}/flash_encryption_secure_features.c
@@ -93,16 +91,6 @@
${esp_idf_dir}/components/efuse/${MCUBOOT_TARGET}/esp_efuse_utility.c
)
-if("${MCUBOOT_TARGET}" STREQUAL "esp32")
- list(APPEND hal_srcs
- ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32.c
- )
-else()
- list(APPEND hal_srcs
- ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32xx.c
- )
-endif()
-
if("${MCUBOOT_ARCH}" STREQUAL "xtensa")
list(APPEND hal_srcs
${esp_idf_dir}/components/esp_rom/patches/esp_rom_longjmp.S
@@ -165,12 +153,6 @@
-T${esp_idf_dir}/components/soc/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.peripherals.ld
)
-if("${MCUBOOT_TARGET}" STREQUAL "esp32" OR "${MCUBOOT_TARGET}" STREQUAL "esp32c3")
- list(APPEND LINKER_SCRIPTS
- -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.eco3.ld
- )
-endif()
-
include(${CMAKE_CURRENT_LIST_DIR}/include/${MCUBOOT_TARGET}/${MCUBOOT_TARGET}.cmake)
add_library(hal STATIC ${hal_srcs} ${include_dirs})
diff --git a/boot/espressif/hal/esp-idf b/boot/espressif/hal/esp-idf
index e104dd7..8153bfe 160000
--- a/boot/espressif/hal/esp-idf
+++ b/boot/espressif/hal/esp-idf
@@ -1 +1 @@
-Subproject commit e104dd7f27d2e73ab0e9b614dd7b9295099069bf
+Subproject commit 8153bfe4125e6a608abccf1561fd10285016c90a
diff --git a/boot/espressif/hal/include/esp32/esp32.cmake b/boot/espressif/hal/include/esp32/esp32.cmake
index ab96d1d..e26b6c3 100644
--- a/boot/espressif/hal/include/esp32/esp32.cmake
+++ b/boot/espressif/hal/include/esp32/esp32.cmake
@@ -1,3 +1,16 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
+list(APPEND include_dirs
+ ${esp_idf_dir}/components/${MCUBOOT_TARGET}/include
+ )
+
+list(APPEND hal_srcs
+ ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32.c
+ )
+
list(APPEND LINKER_SCRIPTS
-T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.newlib-funcs.ld
+ -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.eco3.ld
)
diff --git a/boot/espressif/hal/include/esp32c3/esp32c3.cmake b/boot/espressif/hal/include/esp32c3/esp32c3.cmake
index 372f4a4..5d37192 100644
--- a/boot/espressif/hal/include/esp32c3/esp32c3.cmake
+++ b/boot/espressif/hal/include/esp32c3/esp32c3.cmake
@@ -1,10 +1,16 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
list(APPEND hal_srcs
${esp_idf_dir}/components/bootloader_support/src/flash_qio_mode.c
${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/cpu_util_esp32c3.c
+ ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32xx.c
)
list(APPEND LINKER_SCRIPTS
-T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.newlib.ld
+ -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.eco3.ld
)
set_source_files_properties(
diff --git a/boot/espressif/hal/include/esp32s2/esp32s2.cmake b/boot/espressif/hal/include/esp32s2/esp32s2.cmake
index 171ab9d..588ec1c 100644
--- a/boot/espressif/hal/include/esp32s2/esp32s2.cmake
+++ b/boot/espressif/hal/include/esp32s2/esp32s2.cmake
@@ -1,5 +1,10 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
list(APPEND hal_srcs
${esp_idf_dir}/components/esp_hw_support/port/${MCUBOOT_TARGET}/regi2c_ctrl.c
+ ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32xx.c
)
list(APPEND LINKER_SCRIPTS
diff --git a/boot/espressif/hal/include/esp32s3/esp32s3.cmake b/boot/espressif/hal/include/esp32s3/esp32s3.cmake
new file mode 100644
index 0000000..d8542e2
--- /dev/null
+++ b/boot/espressif/hal/include/esp32s3/esp32s3.cmake
@@ -0,0 +1,11 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
+list(APPEND hal_srcs
+ ${esp_idf_dir}/components/efuse/src/esp_efuse_api_key_esp32xx.c
+)
+
+list(APPEND LINKER_SCRIPTS
+ -T${esp_idf_dir}/components/esp_rom/${MCUBOOT_TARGET}/ld/${MCUBOOT_TARGET}.rom.newlib.ld
+ )
diff --git a/boot/espressif/hal/include/esp32s3/sdkconfig.h b/boot/espressif/hal/include/esp32s3/sdkconfig.h
new file mode 100644
index 0000000..e88d74f
--- /dev/null
+++ b/boot/espressif/hal/include/esp32s3/sdkconfig.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define BOOTLOADER_BUILD 1
+#define CONFIG_IDF_FIRMWARE_CHIP_ID 0x0009
+#define CONFIG_IDF_TARGET_ESP32S3 1
+#define CONFIG_SPI_FLASH_ROM_DRIVER_PATCH 1
+#define CONFIG_MCUBOOT 1
+#define NDEBUG 1
+#define CONFIG_BOOTLOADER_WDT_TIME_MS 9000
+#define CONFIG_ESP_CONSOLE_UART_BAUDRATE 115200
+#define CONFIG_BOOTLOADER_OFFSET_IN_FLASH 0x0000
+#define CONFIG_PARTITION_TABLE_OFFSET 0x10000
+#define CONFIG_EFUSE_VIRTUAL_OFFSET 0x250000
+#define CONFIG_EFUSE_VIRTUAL_SIZE 0x2000
+#define CONFIG_EFUSE_MAX_BLK_LEN 256
diff --git a/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h b/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h
index 130f30f..8e86322 100644
--- a/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h
+++ b/boot/espressif/hal/include/mcuboot_config/mcuboot_logging.h
@@ -21,6 +21,8 @@
#define TARGET "[esp32]"
#elif CONFIG_IDF_TARGET_ESP32S2
#define TARGET "[esp32s2]"
+#elif CONFIG_IDF_TARGET_ESP32S3
+#define TARGET "[esp32s3]"
#elif CONFIG_IDF_TARGET_ESP32C3
#define TARGET "[esp32c3]"
#else
diff --git a/boot/espressif/hal/src/esp32s3/bootloader_init.c b/boot/espressif/hal/src/esp32s3/bootloader_init.c
new file mode 100644
index 0000000..c9d627a
--- /dev/null
+++ b/boot/espressif/hal/src/esp32s3/bootloader_init.c
@@ -0,0 +1,318 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include "sdkconfig.h"
+#include "esp_attr.h"
+#include "esp_image_format.h"
+#include "flash_qio_mode.h"
+#include "esp_rom_efuse.h"
+#include "esp_rom_gpio.h"
+#include "esp_rom_sys.h"
+#include "esp_rom_uart.h"
+#include "esp_efuse.h"
+
+#include "bootloader_init.h"
+#include "bootloader_mem.h"
+#include "bootloader_clock.h"
+#include "bootloader_flash_config.h"
+#include "bootloader_flash.h"
+#include "bootloader_flash_priv.h"
+#include "bootloader_soc.h"
+
+#include "soc/cpu.h"
+#include "soc/dport_reg.h"
+#include "soc/efuse_reg.h"
+#include "soc/rtc.h"
+#include "soc/rtc_cntl_reg.h"
+#include "soc/extmem_reg.h"
+#include "soc/io_mux_reg.h"
+#include "soc/assist_debug_reg.h"
+
+#include "hal/wdt_hal.h"
+
+#include "esp32s3/rom/cache.h"
+#include "esp32s3/rom/ets_sys.h"
+#include "esp32s3/rom/spi_flash.h"
+#include "esp32s3/rom/uart.h"
+
+#include "esp_log.h"
+#include "mcuboot_config/mcuboot_config.h"
+
+static const char *TAG = "boot.esp32s3";
+
+esp_image_header_t WORD_ALIGNED_ATTR bootloader_image_hdr;
+
+void bootloader_clear_bss_section(void)
+{
+ memset(&_bss_start, 0, (&_bss_end - &_bss_start) * sizeof(_bss_start));
+}
+
+static void bootloader_reset_mmu(void)
+{
+ Cache_Suspend_DCache();
+ Cache_Invalidate_DCache_All();
+ Cache_MMU_Init();
+
+ REG_CLR_BIT(EXTMEM_ICACHE_CTRL1_REG, EXTMEM_ICACHE_SHUT_CORE0_BUS);
+ REG_CLR_BIT(EXTMEM_ICACHE_CTRL1_REG, EXTMEM_ICACHE_SHUT_CORE1_BUS);
+}
+
+esp_err_t bootloader_read_bootloader_header(void)
+{
+ if (bootloader_flash_read(ESP_BOOTLOADER_OFFSET, &bootloader_image_hdr, sizeof(esp_image_header_t), true) != ESP_OK) {
+ return ESP_FAIL;
+ }
+ return ESP_OK;
+}
+
+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;
+ }
+ uint32_t autoload = Cache_Suspend_DCache();
+ // Set flash chip size
+ esp_rom_spiflash_config_param(g_rom_flashchip.device_id, size * 0x100000, 0x10000, 0x1000, 0x100, 0xffff);
+ Cache_Resume_DCache(autoload);
+}
+
+void IRAM_ATTR bootloader_configure_spi_pins(int drv)
+{
+ const uint32_t spiconfig = esp_rom_efuse_get_flash_gpio_info();
+ uint8_t wp_pin = esp_rom_efuse_get_flash_wp_gpio();
+ 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) {
+
+ } else {
+ clk_gpio_num = spiconfig & 0x3f;
+ q_gpio_num = (spiconfig >> 6) & 0x3f;
+ d_gpio_num = (spiconfig >> 12) & 0x3f;
+ cs0_gpio_num = (spiconfig >> 18) & 0x3f;
+ hd_gpio_num = (spiconfig >> 24) & 0x3f;
+ wp_gpio_num = wp_pin;
+ }
+ 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 IRAM_ATTR bootloader_init_flash_configure(void)
+{
+ bootloader_flash_dummy_config(&bootloader_image_hdr);
+ bootloader_flash_cs_timing_config();
+}
+
+static esp_err_t bootloader_init_spi_flash(void)
+{
+ bootloader_init_flash_configure();
+#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_flash_unlock();
+ update_flash_config(&bootloader_image_hdr);
+ //ensure the flash is write-protected
+ bootloader_enable_wp();
+ return ESP_OK;
+}
+
+void bootloader_config_wdt(void)
+{
+ 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);
+
+#ifdef CONFIG_ESP_MCUBOOT_WDT_ENABLE
+ wdt_hal_init(&rtc_wdt_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);
+#endif
+
+ 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);
+}
+
+static void bootloader_init_uart_console(void)
+{
+ const int uart_num = 0;
+
+ esp_rom_install_uart_printf();
+ esp_rom_uart_tx_wait_idle(0);
+ uint32_t clock_hz = UART_CLK_FREQ_ROM;
+ esp_rom_uart_set_clock_baudrate(uart_num, clock_hz, CONFIG_ESP_CONSOLE_UART_BAUDRATE);
+}
+
+static void wdt_reset_cpu0_info_enable(void)
+{
+ REG_SET_BIT(SYSTEM_CPU_PERI_CLK_EN_REG, SYSTEM_CLK_EN_ASSIST_DEBUG);
+ REG_CLR_BIT(SYSTEM_CPU_PERI_RST_EN_REG, SYSTEM_RST_EN_ASSIST_DEBUG);
+ REG_WRITE(ASSIST_DEBUG_CORE_0_RCD_PDEBUGENABLE_REG, 1);
+ REG_WRITE(ASSIST_DEBUG_CORE_0_RCD_RECORDING_REG, 1);
+}
+
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_DEBUG
+static void wdt_reset_info_dump(int cpu)
+{
+ uint32_t inst = 0, pid = 0, stat = 0, data = 0, pc = 0,
+ lsstat = 0, lsaddr = 0, lsdata = 0, dstat = 0;
+ const char *cpu_name = cpu ? "APP" : "PRO";
+
+ stat = 0xdeadbeef;
+ pid = 0;
+ if (cpu == 0) {
+ inst = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGINST_REG);
+ dstat = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGSTATUS_REG);
+ data = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGDATA_REG);
+ pc = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGPC_REG);
+ lsstat = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGLS0STAT_REG);
+ lsaddr = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGLS0ADDR_REG);
+ lsdata = REG_READ(ASSIST_DEBUG_CORE_0_RCD_PDEBUGLS0DATA_REG);
+ } else {
+ inst = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGINST_REG);
+ dstat = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGSTATUS_REG);
+ data = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGDATA_REG);
+ pc = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGPC_REG);
+ lsstat = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGLS0STAT_REG);
+ lsaddr = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGLS0ADDR_REG);
+ lsdata = REG_READ(ASSIST_DEBUG_CORE_1_RCD_PDEBUGLS0DATA_REG);
+ }
+
+ ESP_LOGD(TAG, "WDT reset info: %s CPU STATUS 0x%08x", cpu_name, stat);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PID 0x%08x", cpu_name, pid);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGINST 0x%08x", cpu_name, inst);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGSTATUS 0x%08x", cpu_name, dstat);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGDATA 0x%08x", cpu_name, data);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGPC 0x%08x", cpu_name, pc);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGLS0STAT 0x%08x", cpu_name, lsstat);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGLS0ADDR 0x%08x", cpu_name, lsaddr);
+ ESP_LOGD(TAG, "WDT reset info: %s CPU PDEBUGLS0DATA 0x%08x", cpu_name, lsdata);
+}
+#endif
+
+static void bootloader_check_wdt_reset(void)
+{
+ int wdt_rst = 0;
+ soc_reset_reason_t rst_reas[2];
+
+ rst_reas[0] = esp_rom_get_reset_reason(0);
+ rst_reas[1] = esp_rom_get_reset_reason(1);
+ if (rst_reas[0] == RESET_REASON_CORE_RTC_WDT || rst_reas[0] == RESET_REASON_CORE_MWDT0 || rst_reas[0] == RESET_REASON_CORE_MWDT1 ||
+ rst_reas[0] == RESET_REASON_CPU0_MWDT0 || rst_reas[0] == RESET_REASON_CPU0_RTC_WDT) {
+ ESP_LOGW(TAG, "PRO CPU has been reset by WDT.");
+ wdt_rst = 1;
+ }
+ if (rst_reas[1] == RESET_REASON_CORE_RTC_WDT || rst_reas[1] == RESET_REASON_CORE_MWDT0 || rst_reas[1] == RESET_REASON_CORE_MWDT1 ||
+ rst_reas[1] == RESET_REASON_CPU1_MWDT1 || rst_reas[1] == RESET_REASON_CPU1_RTC_WDT) {
+ ESP_LOGW(TAG, "APP CPU has been reset by WDT.");
+ wdt_rst = 1;
+ }
+ if (wdt_rst) {
+#if MCUBOOT_LOG_LEVEL >= MCUBOOT_LOG_LEVEL_DEBUG
+ // if reset by WDT dump info from trace port
+ wdt_reset_info_dump(0);
+ wdt_reset_info_dump(1);
+#endif
+ }
+ wdt_reset_cpu0_info_enable();
+}
+
+static void bootloader_super_wdt_auto_feed(void)
+{
+ REG_WRITE(RTC_CNTL_SWD_WPROTECT_REG, RTC_CNTL_SWD_WKEY_VALUE);
+ REG_SET_BIT(RTC_CNTL_SWD_CONF_REG, RTC_CNTL_SWD_AUTO_FEED_EN);
+ REG_WRITE(RTC_CNTL_SWD_WPROTECT_REG, 0);}
+
+static inline void bootloader_ana_reset_config(void)
+{
+ //Enable WDT, BOR, and GLITCH reset
+ bootloader_ana_super_wdt_reset_config(true);
+ bootloader_ana_bod_reset_config(true);
+ bootloader_ana_clock_glitch_reset_config(true);
+}
+
+esp_err_t bootloader_init(void)
+{
+ esp_err_t ret = ESP_OK;
+ bootloader_ana_reset_config();
+ bootloader_super_wdt_auto_feed();
+ // protect memory region
+ bootloader_init_mem();
+ /* check that static RAM is after the stack */
+#ifndef NDEBUG
+ {
+ assert(&_bss_start <= &_bss_end);
+ assert(&_data_start <= &_data_end);
+ }
+#endif
+ // clear bss section
+ bootloader_clear_bss_section();
+ // reset MMU
+ bootloader_reset_mmu();
+ // config clock
+ bootloader_clock_configure();
+ /* initialize uart console, from now on, we can use ets_printf */
+ bootloader_init_uart_console();
+ // Check and run XMC startup flow
+ if ((ret = bootloader_flash_xmc_startup()) != ESP_OK) {
+ goto err;
+ }
+ // read bootloader header
+ if ((ret = bootloader_read_bootloader_header()) != 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();
+
+err:
+ return ret;
+}
diff --git a/boot/espressif/port/esp32s3/ld/bootloader.ld b/boot/espressif/port/esp32s3/ld/bootloader.ld
new file mode 100644
index 0000000..0bc9af6
--- /dev/null
+++ b/boot/espressif/port/esp32s3/ld/bootloader.ld
@@ -0,0 +1,172 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* Simplified memory map for the bootloader.
+ *
+ * The main purpose is to make sure the bootloader can load into main memory
+ * without overwriting itself.
+ */
+
+MEMORY
+{
+ iram_seg (RWX) : org = 0x403B2500, len = 0x7B00
+ iram_loader_seg (RWX) : org = 0x403BA000, len = 0x6000
+ dram_seg (RW) : org = 0x3FCD8000, len = 0x9A00
+}
+
+/* Default entry point: */
+ENTRY(main);
+
+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 */
+ *libhal.a:bootloader_flash.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_flash_config_esp32s3.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_clock_loader.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_common_loader.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_flash.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_random.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_random*.*(.literal.bootloader_random_disable .text.bootloader_random_disable)
+ *libhal.a:bootloader_random*.*(.literal.bootloader_random_enable .text.bootloader_random_enable)
+ *libhal.a:bootloader_efuse_esp32s3.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_utility.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_sha.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_console_loader.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_panic.*(.literal .text .literal.* .text.*)
+ *libhal.a:bootloader_soc.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_image_format.*(.literal .text .literal.* .text.*)
+ *libhal.a:flash_encrypt.*(.literal .text .literal.* .text.*)
+ *libhal.a:flash_encryption_secure_features.*(.literal .text .literal.* .text.*)
+ *libhal.a:flash_partitions.*(.literal .text .literal.* .text.*)
+ *libhal.a:secure_boot.*(.literal .text .literal.* .text.*)
+ *libhal.a:secure_boot_secure_features.*(.literal .text .literal.* .text.*)
+ *libhal.a:secure_boot_signatures_bootloader.*(.literal .text .literal.* .text.*)
+ *libhal.a:wdt_hal_iram.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_efuse_table.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_efuse_fields.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_efuse_api.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_efuse_utility.*(.literal .text .literal.* .text.*)
+ *libhal.a:esp_efuse_api_key_esp32xx.*(.literal .text .literal.* .text.*)
+ *esp_mcuboot.*(.literal .text .literal.* .text.*)
+ *esp_loader.*(.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.*)
+ *(.sdata2)
+ *(.sdata2.*)
+ *(.gnu.linkonce.s2.*)
+ *(.jcr)
+ _data_end = ABSOLUTE(.);
+ } >dram_seg
+
+ .dram0.rodata :
+ {
+ _rodata_start = ABSOLUTE(.);
+ *(.rodata)
+ *(.rodata.*)
+ *(.gnu.linkonce.r.*)
+ *(.rodata1)
+ __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)
+ _text_end = ABSOLUTE(.);
+ _etext = .;
+ } > iram_seg
+
+}
diff --git a/boot/espressif/port/esp_loader.c b/boot/espressif/port/esp_loader.c
index f2f7d87..1d3e55f 100644
--- a/boot/espressif/port/esp_loader.c
+++ b/boot/espressif/port/esp_loader.c
@@ -17,6 +17,8 @@
#include "esp32/rom/uart.h"
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/rom/uart.h"
+#elif CONFIG_IDF_TARGET_ESP32S3
+#include "esp32s3/rom/uart.h"
#elif CONFIG_IDF_TARGET_ESP32C3
#include "esp32c3/rom/uart.h"
#endif
diff --git a/boot/espressif/tools/toolchain-esp32s3.cmake b/boot/espressif/tools/toolchain-esp32s3.cmake
new file mode 100644
index 0000000..43bb918
--- /dev/null
+++ b/boot/espressif/tools/toolchain-esp32s3.cmake
@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(CMAKE_C_COMPILER xtensa-esp32s3-elf-gcc)
+set(CMAKE_CXX_COMPILER xtensa-esp32s3-elf-g++)
+set(CMAKE_ASM_COMPILER xtensa-esp32s3-elf-gcc)
+
+set(CMAKE_C_FLAGS "-mlongcalls" CACHE STRING "C Compiler Base Flags")
+set(CMAKE_CXX_FLAGS "-mlongcalls" CACHE STRING "C++ Compiler Base Flags")
+
+set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections" CACHE STRING "Linker Base Flags")