feat(esp8266): Add configuration for UART baudrate

Author: donghengqaz

components/bootloader_support/src/bootloader_init.c

@@ -553,7 +553,6 @@ void __assert_func(const char *file, int line, const char *func, const char *exp
 #include "esp8266/pin_mux_register.h"
 #include "esp8266/rom_functions.h"
 
-#define CONFIG_CONSOLE_UART_BAUDRATE 74880
 #define BOOTLOADER_CONSOLE_CLK_FREQ 52 * 1000 * 1000
 
 extern int _bss_start;
@@ -575,8 +574,6 @@ static void uart_console_configure(void)
     CLEAR_PERI_REG_MASK(UART_CONF1(CONFIG_CONSOLE_UART_NUM), UART_RX_FLOW_EN);
     CLEAR_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_TX_FLOW_EN);
 
-    uart_div_modify(CONFIG_CONSOLE_UART_NUM, BOOTLOADER_CONSOLE_CLK_FREQ / CONFIG_CONSOLE_UART_BAUDRATE);
-
     WRITE_PERI_REG(UART_CONF0(CONFIG_CONSOLE_UART_NUM),
                    0                // None parity
                    | (1 << 4)       // 1-bit stop
@@ -587,6 +584,8 @@ static void uart_console_configure(void)
     SET_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_RXFIFO_RST | UART_TXFIFO_RST);
     CLEAR_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_RXFIFO_RST | UART_TXFIFO_RST);
 #endif
+
+    uart_div_modify(CONFIG_CONSOLE_UART_NUM, BOOTLOADER_CONSOLE_CLK_FREQ / CONFIG_CONSOLE_UART_BAUDRATE);
 }
 
 esp_err_t bootloader_init()

components/esp8266/Kconfig

@@ -35,8 +35,6 @@ config SOC_FULL_ICACHE
         Enable this option, full 32 KB iram instead of 16 KB iram will be used as icache, so the heap use can use
         may reduce a lot.
 
-endmenu
-
 choice CONSOLE_UART_NUM
     prompt "UART peripheral to use for console output (0-1)"
     default CONSOLE_UART_CUSTOM_NUM_0
@@ -54,6 +52,13 @@ config CONSOLE_UART_NUM
     default 0 if CONSOLE_UART_CUSTOM_NUM_0
     default 1 if CONSOLE_UART_CUSTOM_NUM_1
 
+config CONSOLE_UART_BAUDRATE
+    int "UART console baud rate"
+    default 74880
+    range 1200 4000000
+
+endmenu
+
 menu WIFI
 
 config SCAN_AP_MAX

components/esp8266/lib/VERSION

@@ -1,6 +1,6 @@
 gwen:
     crypto:     8943c89
-    core:       782e796
+    core:       4be8e4a
     net80211:   5319ba0
     pp:         830c0c8
     smartconfig:68bd9c5

components/esp8266/lib/libcore.a

@@ -30,7 +30,7 @@ void write_data_to_rtc(uint8_t *);
 
 void get_data_from_rtc(uint8_t *);
 
-uint8_t chip_init(uint8_t* init_data, uint8_t *mac);
+uint8_t chip_init(uint8_t* init_data, uint8_t *mac, uint32_t uart_baudrate);
 
 #ifdef __cplusplus
 }

components/esp8266/source/phy.h

@@ -84,7 +84,7 @@ esp_err_t esp_phy_rf_init(const esp_phy_init_data_t *init_data, esp_phy_calibrat
     }
 
     esp_efuse_mac_get_default(sta_mac);
-    chip_init(local_init_data, sta_mac);
+    chip_init(local_init_data, sta_mac, CONFIG_CONSOLE_UART_BAUDRATE);
     get_data_from_rtc((uint8_t *)calibration_data);
 
     memcpy(rx_gain_dc_table, calibration_data->rx_gain_dc_table, 4 * 125);