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bootloader, esp_system: esp32c2 console uart to support 26MHz xtal

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Gets the XTAL frequency from the RTC storage register, remove UART_CLK_FREQ_ROM macro from soc.h
This commit is contained in:
songruojing
2022-07-04 14:17:54 +08:00
parent ef813b23fa
commit b3d8db3ae2
7 changed files with 4 additions and 8 deletions
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2
components/bootloader_support/src/bootloader_console.c
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@@ -90,7 +90,7 @@ void bootloader_console_init(void)
// Set configured UART console baud rate
uint32_t clock_hz = rtc_clk_apb_freq_get();
#if ESP_ROM_UART_CLK_IS_XTAL
clock_hz = UART_CLK_FREQ_ROM; // From esp32-s3 on, UART clock source is selected to XTAL in ROM
clock_hz = (uint32_t)rtc_clk_xtal_freq_get() * MHZ; // From esp32-s3 on, UART clk source is selected to XTAL in ROM
#endif
esp_rom_uart_set_clock_baudrate(uart_num, clock_hz, CONFIG_ESP_CONSOLE_UART_BAUDRATE);
}