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FuriHal: always clock SMPS from HSI (#2643)

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* FuriHal: always clock SMPS from HSI

* FuriHal: add clock startup time check, ensure that we conform to core2 config value

* FuriHal: set sleep mode to legacy if clock startup time is too high

---------

Co-authored-by: hedger <hedger@users.noreply.github.com>
This commit is contained in:
あく 2023-06-08 22:05:35 +09:00 committed by GitHub
parent 1c306a04fc
commit bff5921266
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 3 deletions
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17
firmware/targets/f7/furi_hal/furi_hal_clock.c
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@ -1,5 +1,6 @@
#include <furi_hal_clock.h>
#include <furi_hal_resources.h>
#include <furi_hal_rtc.h>
#include <furi.h>
#include <stm32wbxx_ll_pwr.h>
@ -48,6 +49,10 @@ void furi_hal_clock_init() {
LL_RCC_LSI1_Enable();
while(!LS_CLOCK_IS_READY())
;
/* RF wakeup */
LL_RCC_SetRFWKPClockSource(LL_RCC_RFWKP_CLKSOURCE_LSE);
LL_EXTI_EnableIT_0_31(
LL_EXTI_LINE_18); /* Why? Because that's why. See RM0434, Table 61. CPU1 vector table. */
LL_EXTI_EnableRisingTrig_0_31(LL_EXTI_LINE_18);
@ -111,7 +116,7 @@ void furi_hal_clock_init() {
LL_RCC_SetCLK48ClockSource(LL_RCC_CLK48_CLKSOURCE_PLLSAI1);
LL_RCC_HSI_EnableInStopMode(); // Ensure that MR is capable of work in STOP0
LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSE);
LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSI);
LL_RCC_SetSMPSPrescaler(LL_RCC_SMPS_DIV_1);
LL_RCC_SetRFWKPClockSource(LL_RCC_RFWKP_CLKSOURCE_LSE);
@ -124,8 +129,8 @@ void furi_hal_clock_switch_to_hsi() {
while(!LL_RCC_HSI_IsReady())
;
LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSI);
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSI);
furi_assert(LL_RCC_GetSMPSClockSource() == LL_RCC_SMPS_CLKSOURCE_HSI);
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSI)
;
@ -138,6 +143,7 @@ void furi_hal_clock_switch_to_hsi() {
}
void furi_hal_clock_switch_to_pll() {
uint32_t clock_start_time = DWT->CYCCNT;
LL_RCC_HSE_Enable();
LL_RCC_PLL_Enable();
LL_RCC_PLLSAI1_Enable();
@ -156,10 +162,15 @@ void furi_hal_clock_switch_to_pll() {
;
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSE);
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
;
uint32_t total = DWT->CYCCNT - clock_start_time;
if(total > (20 * 0x148)) {
furi_hal_rtc_set_flag(FuriHalRtcFlagLegacySleep);
furi_crash("Slow HSE/PLL startup");
}
}
void furi_hal_clock_suspend_tick() {