adafruit-mirror/zephyr
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 9

uart: esp32: Fixing garbage characters on mcuboot

Browse source 
Fixes garbage characters on mcuboot by adjusting UART baudrate
during boot phase according to clock source.

Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>
This commit is contained in:
Raffael Rostagno 2024-10-03 13:53:19 -03:00 committed by Anas Nashif
parent 405492f009
commit 9a5cd08deb
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/clock_control/clock_control_esp32.c
View file

@ -688,8 +688,11 @@ static int esp32_cpu_clock_configure(const struct esp32_cpu_clock_config *cpu_cf
#if !defined(ESP_CONSOLE_UART_NONE)
#if !defined(CONFIG_SOC_SERIES_ESP32C2) && !defined(CONFIG_SOC_SERIES_ESP32C6)
#if defined(CONFIG_MCUBOOT) && defined(ESP_ROM_UART_CLK_IS_XTAL)
uint32_t uart_clock_src_hz = (uint32_t)rtc_clk_xtal_freq_get() * MHZ(1);
#else
uint32_t uart_clock_src_hz = esp_clk_apb_freq();
#endif
esp_rom_uart_set_clock_baudrate(ESP_CONSOLE_UART_NUM, uart_clock_src_hz,
ESP_CONSOLE_UART_BAUDRATE);
#endif