commit 4099583c12d6c7c1c877c4122a1afba77ae37b41
author Almir Okato <almir.okato@espressif.com> Thu Oct 20 12:52:25 2022 -0300
committer Gustavo Henrique Nihei <38959758+gustavonihei@users.noreply.github.com> Fri Nov 11 11:22:00 2022 -0300
tree 3a17d9c902cd0741a75b1a90f98557c2b4c37230
parent 7d3622ffbb0a2f5b59e3414fb971295da15a0619

boot_serial: espressif: ESP32-S2 serial recovery mode interface

Add the serial adapter for ESP32-S2 for boot recovery and MCUMGR
communication.

Signed-off-by: Almir Okato <almir.okato@espressif.com>

boot/espressif/hal/include/esp32s2/esp32s2.cmake

diff --git a/boot/espressif/hal/include/esp32s2/esp32s2.cmake b/boot/espressif/hal/include/esp32s2/esp32s2.cmake
index 588ec1c..7afafc6 100644
--- a/boot/espressif/hal/include/esp32s2/esp32s2.cmake
+++ b/boot/espressif/hal/include/esp32s2/esp32s2.cmake
@@ -5,6 +5,7 @@
 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
+    ${esp_idf_dir}/components/esp_rom/patches/esp_rom_crc.c
     )
 
 list(APPEND LINKER_SCRIPTS

boot/espressif/hal/src/esp32s2/bootloader_init.c

diff --git a/boot/espressif/hal/src/esp32s2/bootloader_init.c b/boot/espressif/hal/src/esp32s2/bootloader_init.c
index 90e329e..a3e4b2f 100644
--- a/boot/espressif/hal/src/esp32s2/bootloader_init.c
+++ b/boot/espressif/hal/src/esp32s2/bootloader_init.c
@@ -14,6 +14,8 @@
 #include "esp_rom_gpio.h"
 
 #include "bootloader_init.h"
+#include "bootloader_common.h"
+#include "bootloader_console.h"
 #include "bootloader_mem.h"
 #include "bootloader_clock.h"
 #include "bootloader_flash_config.h"
@@ -120,18 +122,6 @@
     return ESP_OK;
 }
 
-static void bootloader_init_uart_console(void)
-{
-    const int uart_num = 0;
-
-    uartAttach(NULL);
-    ets_install_uart_printf();
-    uart_tx_wait_idle(0);
-
-    const int uart_baud = CONFIG_ESP_CONSOLE_UART_BAUDRATE;
-    uart_div_modify(uart_num, (rtc_clk_apb_freq_get() << 4) / uart_baud);
-}
-
 static void bootloader_super_wdt_auto_feed(void)
 {
     REG_SET_BIT(RTC_CNTL_SWD_CONF_REG, RTC_CNTL_SWD_AUTO_FEED_EN);
@@ -158,7 +148,7 @@
     /* config clock */
     bootloader_clock_configure();
     /* initialize uart console, from now on, we can use ets_printf */
-    bootloader_init_uart_console();
+    bootloader_console_init();
     /* read bootloader header */
     if ((ret = bootloader_read_bootloader_header()) != ESP_OK) {
         goto err;