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esp32s2/fpga: Fix a clock configure in bootloader

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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
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12
components/esp_common/src/fpga_overrides.c
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@@ -25,9 +25,15 @@ void bootloader_clock_configure(void)
{ {
esp_rom_uart_tx_wait_idle(0); esp_rom_uart_tx_wait_idle(0);
uint32_t clock = 40000000; uint32_t xtal_freq_mhz = 40;
ets_update_cpu_frequency(clock / 1000000); #ifdef CONFIG_IDF_TARGET_ESP32S2
REG_WRITE(RTC_CNTL_STORE5_REG, (clock >> 12) | ((clock >> 12) << 16)); 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) void bootloader_fill_random(void *buffer, size_t length)