espressif/esp-idf
1
0
Fork 1
mirror of https://github.com/espressif/esp-idf.git synced 2025-07-31 19:24:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

esp32s2/fpga: Fix a clock configure in bootloader

Browse Source
This commit is contained in:
KonstantinKondrashov
2020-10-30 22:12:02 +08:00
committed by bot
parent f2c9c1e4ab
commit 48c498bdca
1 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
components/esp_common/src/fpga_overrides.c
View File

@@ -25,9 +25,15 @@ void bootloader_clock_configure(void)
{
esp_rom_uart_tx_wait_idle(0);
uint32_t clock = 40000000;
ets_update_cpu_frequency(clock / 1000000);
REG_WRITE(RTC_CNTL_STORE5_REG, (clock >> 12) | ((clock >> 12) << 16));
uint32_t xtal_freq_mhz = 40;
#ifdef CONFIG_IDF_TARGET_ESP32S2
uint32_t apb_freq_hz = 20000000;
#else
uint32_t apb_freq_hz = 40000000;
#endif // CONFIG_IDF_TARGET_ESP32S2
ets_update_cpu_frequency(apb_freq_hz / 1000000);
REG_WRITE(RTC_CNTL_STORE5_REG, (apb_freq_hz >> 12) | ((apb_freq_hz >> 12) << 16));
REG_WRITE(RTC_CNTL_STORE4_REG, (xtal_freq_mhz) | ((xtal_freq_mhz) << 16));
}
void bootloader_fill_random(void *buffer, size_t length)