soc/rtc: update frequency switching APIs to match the master branch

esp32s2 code was based in IDF v3.1, and used outdated APIs.

Closes IDF-670
This commit is contained in:
Ivan Grokhotkov
2020-02-12 13:56:59 +01:00
parent d2d3269159
commit 74ac618287
11 changed files with 433 additions and 428 deletions

View File

@@ -35,15 +35,15 @@ void bootloader_clock_configure(void)
// and will be done with the bootloader much earlier than UART FIFO is empty.
uart_tx_wait_idle(0);
/* Set CPU to 80MHz. Keep other clocks unmodified. */
int cpu_freq_mhz = 80;
#if CONFIG_IDF_TARGET_ESP32
/* On ESP32 rev 0, switching to 80/160 MHz if clock was previously set to
* 240 MHz may cause the chip to lock up (see section 3.5 of the errata
* document). For rev. 0, switch to 240 instead if it has been enabled
* previously.
*/
#if CONFIG_IDF_TARGET_ESP32
/* Set CPU to 80MHz. Keep other clocks unmodified. */
int cpu_freq_mhz = 80;
uint32_t chip_ver_reg = REG_READ(EFUSE_BLK0_RDATA3_REG);
if ((chip_ver_reg & EFUSE_RD_CHIP_VER_REV1_M) == 0 &&
DPORT_REG_GET_FIELD(DPORT_CPU_PER_CONF_REG, DPORT_CPUPERIOD_SEL) == DPORT_CPUPERIOD_SEL_240) {
@@ -54,11 +54,10 @@ void bootloader_clock_configure(void)
rtc_clk_config_t clk_cfg = RTC_CLK_CONFIG_DEFAULT();
#if CONFIG_IDF_TARGET_ESP32
clk_cfg.xtal_freq = CONFIG_ESP32_XTAL_FREQ;
clk_cfg.cpu_freq_mhz = cpu_freq_mhz;
#elif CONFIG_IDF_TARGET_ESP32S2
clk_cfg.xtal_freq = RTC_XTAL_FREQ_40M;
clk_cfg.cpu_freq = RTC_CPU_FREQ_80M;
#endif
clk_cfg.cpu_freq_mhz = cpu_freq_mhz;
clk_cfg.slow_freq = rtc_clk_slow_freq_get();
clk_cfg.fast_freq = rtc_clk_fast_freq_get();
rtc_clk_init(clk_cfg);