sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

stm32l4 remove useless RTCPRE setup

Browse Source
This commit is contained in:
Sergey Nikitenko 2021-03-06 14:24:44 +03:00 committed by Petro Karashchenko
parent 9850766d07
commit 7e4193c4a3
4 changed files with 0 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/arm/src/stm32l4/stm32l4x3xx_rcc.c
View File

@ -46,10 +46,6 @@
#define HSIRDY_TIMEOUT HSERDY_TIMEOUT
#define MSIRDY_TIMEOUT HSERDY_TIMEOUT
/* HSE divisor to yield ~1MHz RTC clock */
#define HSE_DIVISOR (STM32L4_HSE_FREQUENCY + 500000) / 1000000
/* Determine if board wants to use HSI48 as 48 MHz oscillator. */
#if defined(CONFIG_STM32L4_HAVE_HSI48) && defined(STM32L4_USE_CLK48)
@ -730,15 +726,6 @@ static void stm32l4_stdclockconfig(void)
regval |= STM32L4_RCC_CFGR_PPRE1;
putreg32(regval, STM32L4_RCC_CFGR);
#ifdef CONFIG_STM32L4_RTC_HSECLOCK
/* Set the RTC clock divisor */
regval = getreg32(STM32L4_RCC_CFGR);
regval &= ~RCC_CFGR_RTCPRE_MASK;
regval |= RCC_CFGR_RTCPRE(HSE_DIVISOR);
putreg32(regval, STM32L4_RCC_CFGR);
#endif
/* Set the PLL source and main divider */
regval = getreg32(STM32L4_RCC_PLLCFG);

13
arch/arm/src/stm32l4/stm32l4x5xx_rcc.c
View File

@ -45,10 +45,6 @@
#define HSIRDY_TIMEOUT HSERDY_TIMEOUT
#define MSIRDY_TIMEOUT HSERDY_TIMEOUT
/* HSE divisor to yield ~1MHz RTC clock */
#define HSE_DIVISOR (STM32L4_HSE_FREQUENCY + 500000) / 1000000
/****************************************************************************
* Private Data
****************************************************************************/
@ -721,15 +717,6 @@ static void stm32l4_stdclockconfig(void)
regval |= STM32L4_RCC_CFGR_PPRE1;
putreg32(regval, STM32L4_RCC_CFGR);
#ifdef CONFIG_STM32L4_RTC_HSECLOCK
/* Set the RTC clock divisor */
regval = getreg32(STM32L4_RCC_CFGR);
regval &= ~RCC_CFGR_RTCPRE_MASK;
regval |= RCC_CFGR_RTCPRE(HSE_DIVISOR);
putreg32(regval, STM32L4_RCC_CFGR);
#endif
/* Set the PLL source and main divider */
regval = getreg32(STM32L4_RCC_PLLCFG);

13
arch/arm/src/stm32l4/stm32l4x6xx_rcc.c
View File

@ -46,10 +46,6 @@
#define HSIRDY_TIMEOUT HSERDY_TIMEOUT
#define MSIRDY_TIMEOUT HSERDY_TIMEOUT
/* HSE divisor to yield ~1MHz RTC clock */
#define HSE_DIVISOR (STM32L4_HSE_FREQUENCY + 500000) / 1000000
/* Determine if board wants to use HSI48 as 48 MHz oscillator. */
#if defined(CONFIG_STM32L4_HAVE_HSI48) && defined(STM32L4_USE_CLK48)
@ -838,15 +834,6 @@ static void stm32l4_stdclockconfig(void)
regval |= STM32L4_RCC_CFGR_PPRE1;
putreg32(regval, STM32L4_RCC_CFGR);
#ifdef CONFIG_STM32L4_RTC_HSECLOCK
/* Set the RTC clock divisor */
regval = getreg32(STM32L4_RCC_CFGR);
regval &= ~RCC_CFGR_RTCPRE_MASK;
regval |= RCC_CFGR_RTCPRE(HSE_DIVISOR);
putreg32(regval, STM32L4_RCC_CFGR);
#endif
#ifndef STM32L4_BOARD_NOPLL
/* Set the PLL source and main divider */

13
arch/arm/src/stm32l4/stm32l4xrxx_rcc.c
View File

@ -46,10 +46,6 @@
#define HSIRDY_TIMEOUT HSERDY_TIMEOUT
#define MSIRDY_TIMEOUT HSERDY_TIMEOUT
/* HSE divisor to yield ~1MHz RTC clock */
#define HSE_DIVISOR (STM32L4_HSE_FREQUENCY + 500000) / 1000000
/* Determine if board wants to use HSI48 as 48 MHz oscillator. */
#if defined(CONFIG_STM32L4_HAVE_HSI48) && defined(STM32L4_USE_CLK48)
@ -789,15 +785,6 @@ static void stm32l4_stdclockconfig(void)
regval |= STM32L4_RCC_CFGR_PPRE1;
putreg32(regval, STM32L4_RCC_CFGR);
#ifdef CONFIG_STM32L4_RTC_HSECLOCK
/* Set the RTC clock divisor */
regval = getreg32(STM32L4_RCC_CFGR);
regval &= ~RCC_CFGR_RTCPRE_MASK;
regval |= RCC_CFGR_RTCPRE(HSE_DIVISOR);
putreg32(regval, STM32L4_RCC_CFGR);
#endif
/* Set the PLL source and main divider */
regval = getreg32(STM32L4_RCC_PLLCFG);