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Added fractional support to PLL, forced inline for all inline functions. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14821 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio 2021-09-23 13:40:45 +00:00
parent 68278338b0
commit 06e40c102d
6 changed files with 91 additions and 46 deletions
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6
os/hal/ports/STM32/LLD/RCCv2/stm32_csi.inc
View File

@ -57,7 +57,7 @@
/* Driver local functions. */
/*===========================================================================*/
__STATIC_INLINE void csi_enable(void) {
__STATIC_FORCEINLINE void csi_enable(void) {
RCC->OCENSETR = RCC_OCENSETR_CSION;
while ((RCC->OCRDYR & RCC_OCRDYR_CSIRDY) == 0U) {
@ -65,12 +65,12 @@ __STATIC_INLINE void csi_enable(void) {
}
}
__STATIC_INLINE void csi_disable(void) {
__STATIC_FORCEINLINE void csi_disable(void) {
RCC->OCENCLRR = RCC_OCENCLRR_CSION;
}
__STATIC_INLINE void csi_init(void) {
__STATIC_FORCEINLINE void csi_init(void) {
#if STM32_CSI_ENABLED
/* HSI activation.*/

6
os/hal/ports/STM32/LLD/RCCv2/stm32_hse.inc
View File

@ -89,7 +89,7 @@
/* Driver local functions. */
/*===========================================================================*/
__STATIC_INLINE void hse_enable(void) {
__STATIC_FORCEINLINE void hse_enable(void) {
#if 0
#if defined(STM32_HSE_BYPASS)
@ -118,12 +118,12 @@ __STATIC_INLINE void hse_enable(void) {
}
}
__STATIC_INLINE void hse_disable(void) {
__STATIC_FORCEINLINE void hse_disable(void) {
RCC->OCENCLRR = RCC_OCENSETR_HSEON;
}
__STATIC_INLINE void hse_init(void) {
__STATIC_FORCEINLINE void hse_init(void) {
#if STM32_HSE_ENABLED
hse_enable();

6
os/hal/ports/STM32/LLD/RCCv2/stm32_hsi.inc
View File

@ -80,7 +80,7 @@
/* Driver local functions. */
/*===========================================================================*/
__STATIC_INLINE void hsi_enable(void) {
__STATIC_FORCEINLINE void hsi_enable(void) {
RCC->OCENSETR = RCC_OCENSETR_HSION;
while ((RCC->OCRDYR & RCC_OCRDYR_HSIRDY) == 0U) {
@ -88,12 +88,12 @@ __STATIC_INLINE void hsi_enable(void) {
}
}
__STATIC_INLINE void hsi_disable(void) {
__STATIC_FORCEINLINE void hsi_disable(void) {
RCC->OCENCLRR = RCC_OCENCLRR_HSION;
}
__STATIC_INLINE void hsi_init(void) {
__STATIC_FORCEINLINE void hsi_init(void) {
#if STM32_HSI_ENABLED
/* HSI activation.*/

2
os/hal/ports/STM32/LLD/RCCv2/stm32_lsi.inc
View File

@ -57,7 +57,7 @@
/* Driver local functions. */
/*===========================================================================*/
__STATIC_INLINE void lsi_init(void) {
__STATIC_FORCEINLINE void lsi_init(void) {
#if STM32_LSI_ENABLED
/* LSI activation.*/

100
os/hal/ports/STM32/LLD/RCCv2/stm32_pll3.inc
View File

@ -63,6 +63,10 @@
#error "STM32_PLL3DIVN_VALUE not defined in mcuconf.h"
#endif
#if !defined(STM32_PLL3FRACV_VALUE)
#error "STM32_PLL3FRACV_VALUE not defined in mcuconf.h"
#endif
#if STM32_RCC_PLL3_HAS_P && !defined(STM32_PLL3DIVP_VALUE)
#error "STM32_PLL3DIVP_VALUE not defined in mcuconf.h"
#endif
@ -76,12 +80,16 @@
#endif
/* Check on limits.*/
#if !defined(STM32_PLL3INCLK_MAX)
#error "STM32_PLL3INCLK_MAX not defined in hal_lld.h"
#if !defined(STM32_PLL3REFCLK_MAX)
#error "STM32_PLL3REFCLK_MAX not defined in hal_lld.h"
#endif
#if !defined(STM32_PLL3INCLK_MIN)
#error "STM32_PLL3INCLK_MIN not defined in hal_lld.h"
#if !defined(STM32_PLL3REFCLK_MIN)
#error "STM32_PLL3REFCLK_MIN not defined in hal_lld.h"
#endif
#if !defined(STM32_PLL3REFCLK_SD_MIN)
#error "STM32_PLL3REFCLK_SD_MIN not defined in hal_lld.h"
#endif
#if !defined(STM32_PLL3VCOCLK_MAX)
@ -187,7 +195,7 @@
#if ((STM32_PLL3DIVM_VALUE >= STM32_PLL3DIVM_MIN) && \
(STM32_PLL3DIVM_VALUE <= STM32_PLL3DIVM_MAX)) || \
defined(__DOXYGEN__)
#define STM32_PLL3DIVM ((STM32_PLL3DIVM_VALUE - 1U) << RCC_PLLCFGR_PLL3DIVM_Pos)
#define STM32_PLL3DIVM ((STM32_PLL3DIVM_VALUE - 1U) << RCC_PLL3CFGR1_DIVM3_Pos)
#else
#error "invalid STM32_PLL3DIVM_VALUE value specified"
@ -196,11 +204,19 @@
/**
* @brief Clock at the M divider input.
*/
#define STM32_PLL3INCLK (STM32_PLL3MCLK / STM32_PLL3DIVM_VALUE)
#define STM32_PLL3REFCLK (STM32_PLL3MCLK / STM32_PLL3DIVM_VALUE)
#if (STM32_PLL3INCLK != 0) && \
((STM32_PLL3INCLK < STM32_PLL3INCLK_MIN) || (STM32_PLL3INCLK > STM32_PLL3INCLK_MAX))
#error "STM32_PLL3INCLK outside acceptable range (STM32_PLL3INCLK_MIN...STM32_PLL3INCLK_MAX)"
#if (STM32_PLL3REFCLK != 0) && \
((STM32_PLL3REFCLK < STM32_PLL3REFCLK_MIN) || (STM32_PLL3REFCLK > STM32_PLL3REFCLK_MAX))
#error "STM32_PLL3REFCLK outside acceptable range (STM32_PLL3REFCLK_MIN...STM32_PLL3REFCLK_MAX)"
#endif
#if (STM32_PLL3REFCLK < STM32_PLL3REFCLK_SD_MIN) || defined(__DOXYGEN___)
#define STM32_PLL3IFRGE 0U
#else
#define STM32_PLL3IFRGE RCC_PLL3CFGR1_IFRGE_0
#endif
/**
@ -209,16 +225,35 @@
#if ((STM32_PLL3DIVN_VALUE >= STM32_PLL3DIVN_MIN) && \
(STM32_PLL3DIVN_VALUE <= STM32_PLL3DIVN_MAX)) || \
defined(__DOXYGEN__)
#define STM32_PLL3DIVN ((STM32_PLL3DIVN_VALUE - 1U) << RCC_PLLCFGR_PLL3DIVN_Pos)
#define STM32_PLL3DIVN ((STM32_PLL3DIVN_VALUE - 1U) << RCC_PLL3CFGR1_DIVN_Pos)
#else
#error "invalid STM32_PLL3DIVN_VALUE value specified"
#endif
/**
* @brief STM32_PLL3FRACV field.
*/
#if ((STM32_PLL3FRACV_VALUE >= 0) && \
(STM32_PLL3FRACV_VALUE <= 8191)) || \
defined(__DOXYGEN__)
#define STM32_PLL3FRACV (STM32_PLL3FRACV_VALUE << RCC_PLL3FRACR_FRACV_Pos)
#else
#error "invalid STM32_PLL3DIVN_VALUE value specified"
#endif
/* Assumes C99, intermediate results can be greater than 2^32.*/
#if (0x80000000 << 1) == 0
#error "preprocessor arithmetic issue, 64 bits capability required"
#endif
/**
* @brief PLL VCO frequency.
*/
#define STM32_PLL3VCOCLK (STM32_PLL3INCLK * STM32_PLL3DIVN_VALUE)
#define STM32_PLL3VCOCLK \
(((STM32_PLL3REFCLK * 2) * \
((STM32_PLL3DIVN_VALUE * 8192) + STM32_PLL3FRACV_VALUE)) / 8192)
/*
* PLL VCO frequency range check.
@ -239,6 +274,7 @@
(STM32_PLL3DIVP_VALUE <= STM32_PLL3DIVP_MAX)) || \
defined(__DOXYGEN__)
#define STM32_PLL3DIVP ((STM32_PLL3DIVP_VALUE - 1) << RCC_PLL3CFGR2_DIVP_Pos)
#else
#error "invalid STM32_PLL3DIVP_VALUE value specified"
#endif
@ -258,7 +294,7 @@
#endif
#else /* !STM32_RCC_PLL_HAS_P */
#define STM32_PLL3DIVP 0
#define STM32_PLL3DIVP 0U
#endif /* !STM32_RCC_PLL_HAS_P */
/*---------------------------------------------------------------------------*/
@ -272,6 +308,7 @@
(STM32_PLL3DIVQ_VALUE <= STM32_PLL3DIVQ_MAX)) || \
defined(__DOXYGEN__)
#define STM32_PLL3DIVQ ((STM32_PLL3DIVQ_VALUE - 1) << RCC_PLL3CFGR2_DIVQ_Pos)
#else
#error "invalid STM32_PLL3DIVQ_VALUE value specified"
#endif
@ -291,7 +328,7 @@
#endif
#else /* !STM32_RCC_PLL_HAS_Q */
#define STM32_PLL3DIVQ 0
#define STM32_PLL3DIVQ 0U
#endif /* !STM32_RCC_PLL_HAS_Q */
/*---------------------------------------------------------------------------*/
@ -305,6 +342,7 @@
(STM32_PLL3DIVR_VALUE <= STM32_PLL3DIVR_MAX)) || \
defined(__DOXYGEN__)
#define STM32_PLL3DIVR ((STM32_PLL3DIVR_VALUE - 1) << RCC_PLL3CFGR2_DIVR_Pos)
#else
#error "invalid STM32_PLL3DIVR_VALUE value specified"
#endif
@ -324,7 +362,7 @@
#endif
#else /* !STM32_RCC_PLL_HAS_R */
#define STM32_PLL3DIVR 0
#define STM32_PLL3DIVR 0U
#endif /* !STM32_RCC_PLL_HAS_R */
/*===========================================================================*/
@ -339,49 +377,45 @@
/* Driver local functions. */
/*===========================================================================*/
#if 0
__STATIC_INLINE bool pll_not_locked(void) {
__STATIC_FORCEINLINE bool pll_not_locked(void) {
return (bool)((RCC->CR & RCC_CR_PLLRDY) == 0U);
return (bool)((RCC->PLL3CR & RCC_PLL3CR_PLL3RDY) == 0U);
}
__STATIC_INLINE void pll_wait_lock(void) {
__STATIC_FORCEINLINE void pll_wait_lock(void) {
while (pll_not_locked()) {
/* Waiting for PLL lock.*/
}
}
#endif
#endif /* STM32_RCC_HAS_PLL */
__STATIC_INLINE void pll_init(void) {
__STATIC_FORCEINLINE void pll_init(void) {
#if STM32_RCC_HAS_PLL3
#if STM32_ACTIVATE_PLL3
/* PLL activation.*/
#if 0
RCC->PLLCFGR = STM32_PLLPDIV | STM32_PLLR |
STM32_PLLREN | STM32_PLLQ |
STM32_PLLQEN | STM32_PLLP |
STM32_PLLPEN | STM32_PLLN |
STM32_PLLM | STM32_PLLSRC;
RCC->CR |= RCC_CR_PLLON;
/* PLL setup and activation.*/
RCC->PLL3CFGR1 = STM32_PLL3IFRGE | STM32_PLL3DIVM | STM32_PLL3DIVN;
RCC->PLL3CFGR2 = STM32_PLL3DIVR | STM32_PLL3DIVQ | STM32_PLL3DIVP;
RCC->PLL3CR = RCC_PLL3CR_PLLON;
/* Waiting for lock.*/
pll_wait_lock();
#endif
/* Outputs enable after PLL lock.*/
RCC->PLL3CR = RCC_PLL3CR_PLLON |
STM32_PLL3DIVREN | STM32_PLL3DIVQEN | STM32_PLL3DIVPEN;
#endif
#endif
}
__STATIC_INLINE void pll_deinit(void) {
__STATIC_FORCEINLINE void pll_deinit(void) {
#if STM32_RCC_HAS_PLL3
#if STM32_ACTIVATE_PLL3
/* PLL de-activation.*/
#if 0
RCC->PLLCFGR &= ~RCC_CR_PLLON;
#endif
RCC->PLL3CR &= ~RCC_PLL3CR_PLLON;
#endif
#endif
}

17
os/hal/ports/STM32/STM32MP1xx/hal_lld.h
View File

@ -281,6 +281,17 @@
#define STM32_PLL3DIVN_VALUE 50
#endif
/**
* @brief PLL3 N multiplier fractional value.
* @note The allowed values are 0..8191.
* @note This initialization is performed only if TZEN=0 or MCKPROT=0
* otherwise the setting must match the initialization performed
* on the Cortex-A side.
*/
#if !defined(STM32_PLL3FRACV_VALUE) || defined(__DOXYGEN__)
#define STM32_PLL3FRACV_VALUE 0
#endif
/**
* @brief PLL3 P divider value or zero if disabled.
* @note The allowed values are 1..128.
@ -475,9 +486,9 @@
#define STM32_HSECLK_BYP_MAX 48000000
#define STM32_HSECLK_BYP_MIN 8000000
#define STM32_PLL3INCLK_MAX 16000000
#define STM32_PLL3INCLK_MIN 4000000
#define STM32_PLL3INCLK_SD_MIN 8000000
#define STM32_PLL3REFCLK_MAX 16000000
#define STM32_PLL3REFCLK_MIN 4000000
#define STM32_PLL3REFCLK_SD_MIN 8000000
#define STM32_PLL3VCOCLK_MAX 800000000
#define STM32_PLL3VCOCLK_MIN 400000000
#define STM32_PLL3PCLK_MAX 800000000