diff options
| author | Karel Gardas <karel@functional.vision> | 2022-04-01 18:14:19 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2022-04-05 09:56:06 +0200 |
| commit | 2c4331a14d66083361019e0d4c34f427e678a70a (patch) | |
| tree | 67e330150fbfb81a9c911bcc755a439245165664 /bsps | |
| parent | bsp/stm32h7: configure oscillator for STM32H7B3xxQ (e.g. STM32H7B3I-DK BSP) (diff) | |
| download | rtems-2c4331a14d66083361019e0d4c34f427e678a70a.tar.bz2 | |
bsp/stm32h7: configure peripheral clocks for STM32H7B3xxQ (e.g. STM32H7B3I-DK BSP)
Diffstat (limited to 'bsps')
| -rw-r--r-- | bsps/arm/stm32h7/start/stm32h7-config-per.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/start/stm32h7-config-per.c b/bsps/arm/stm32h7/start/stm32h7-config-per.c index 79aa1494dd..ce6370d3d0 100644 --- a/bsps/arm/stm32h7/start/stm32h7-config-per.c +++ b/bsps/arm/stm32h7/start/stm32h7-config-per.c @@ -32,6 +32,22 @@ #include <stm32h7/hal.h> const RCC_PeriphCLKInitTypeDef stm32h7_config_peripheral_clocks = { +#ifdef STM32H7B3xxQ + /* for stm32h7b3i-dk BSP we provide only minimalistic peripheral + configuration just to make available U(S)ARTs working */ + .PeriphClockSelection = RCC_PERIPHCLK_USART3 + | RCC_PERIPHCLK_USART1, + .PLL2.PLL2M = 24, + .PLL2.PLL2N = 200, + .PLL2.PLL2P = 0, + .PLL2.PLL2Q = 2, + .PLL2.PLL2R = 0, + .PLL2.PLL2RGE = RCC_PLL2VCIRANGE_2, + .PLL2.PLL2VCOSEL = RCC_PLL2VCOMEDIUM, + .PLL2.PLL2FRACN = 0, + .Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1, + .Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2, +#else .PeriphClockSelection = RCC_PERIPHCLK_RTC | RCC_PERIPHCLK_USART3 | RCC_PERIPHCLK_FDCAN | RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_USB | RCC_PERIPHCLK_FMC | RCC_PERIPHCLK_RNG, @@ -59,4 +75,5 @@ const RCC_PeriphCLKInitTypeDef stm32h7_config_peripheral_clocks = { .UsbClockSelection = RCC_USBCLKSOURCE_PLL3, .RTCClockSelection = RCC_RTCCLKSOURCE_LSE, .RngClockSelection = RCC_RNGCLKSOURCE_HSI48 +#endif }; |