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ChibiOS
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Fixed wrong sysclk check, added wait states check. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14382 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-05-16 17:39:04 +00:00
parent b146978067
commit 118014dfcb
1 changed files with 17 additions and 4 deletions
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21
os/hal/ports/STM32/STM32G4xx/hal_lld.c
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@ -28,6 +28,11 @@
/* Driver local definitions. */
/*===========================================================================*/
/**
* @brief Number of thresholds in the wait states array.
*/
#define STM32_WS_THRESHOLDS 9
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
@ -116,7 +121,7 @@ typedef struct {
halfreq_t pllq_min;
halfreq_t pllr_max;
halfreq_t pllr_min;
halfreq_t flash_thresholds[9];
halfreq_t flash_thresholds[STM32_WS_THRESHOLDS];
} system_limits_t;
/**
@ -187,7 +192,7 @@ static bool hal_lld_clock_check_tree(const halclkcfg_t *ccp) {
halfreq_t hsi16clk = 0U, hseclk = 0U, pllselclk;
halfreq_t pllpclk = 0U, pllqclk = 0U, pllrclk = 0U;
halfreq_t sysclk, hclk, pclk1, pclk2, pclk1tim, pclk2tim, mcoclk;
uint32_t mcodiv;
uint32_t mcodiv, flashws;
/* System limits based on desired VOS settings.*/
if ((ccp->pwr_cr1 & PWR_CR1_VOS_Msk) == PWR_CR1_VOS_1) {
@ -301,12 +306,12 @@ static bool hal_lld_clock_check_tree(const halclkcfg_t *ccp) {
}
if ((ccp->pwr_cr5 & PWR_CR5_R1MODE) == 0U) {
if (sysclk < slp->sysclk_max_boost) {
if (sysclk > slp->sysclk_max_boost) {
return true;
}
}
else {
if (sysclk < slp->sysclk_max_noboost) {
if (sysclk > slp->sysclk_max_noboost) {
return true;
}
}
@ -367,6 +372,14 @@ static bool hal_lld_clock_check_tree(const halclkcfg_t *ccp) {
}
mcoclk /= mcodiv;
/* Flash settings.*/
flashws = ((ccp->flash_acr & FLASH_ACR_LATENCY_Msk) >> FLASH_ACR_LATENCY_Pos);
if (flashws >= STM32_WS_THRESHOLDS) {
return true;
} if (hclk > slp->flash_thresholds[flashws]) {
return true;
}
/* Writing out results.*/
clock_points[CLK_SYSCLK] = sysclk;
clock_points[CLK_PLLPCLK] = pllpclk;