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boards/stm32f2f4f7: adapt 180MHz clock config for USB

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This commit is contained in:
Alexandre Abadie 2020-09-18 09:54:01 +02:00
parent 0828400eb0
commit 67d03c91d1
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GPG Key ID: 1C919A403CAE1405
1 changed files with 33 additions and 2 deletions
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35
boards/common/stm32/include/f2f4f7/cfg_clock_default_180.h
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@ -33,24 +33,55 @@ extern "C" {
* @name Clock PLL settings (180MHz)
* @{
*/
/* The following parameters configure a 180MHz system clock with HSE (8MHz or
16MHz) or HSI (16MHz) as PLL input clock */
/* The following parameters configure a 180MHz system clock with HSE (8MHz,
12MHz or 16MHz) or HSI (16MHz) as PLL input clock.
If USB is used and no alternative 48MHz is available, the clock frequency is
decreased to 168MHZ so the PLLQ can output 48MHz.
*/
#ifndef CONFIG_CLOCK_PLL_M
#if IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CLOCK_HSE == MHZ(12))
#define CONFIG_CLOCK_PLL_M (12)
#else
#define CONFIG_CLOCK_PLL_M (4)
#endif
#endif
#ifndef CONFIG_CLOCK_PLL_N
#if IS_USED(MODULE_PERIPH_USBDEV) && \
(defined(CPU_LINE_STM32F405xx) || defined(CPU_LINE_STM32F407xx) || \
defined(CPU_LINE_STM32F415xx) || defined(CPU_LINE_STM32F417xx) || \
defined(CPU_LINE_STM32F427xx) || defined(CPU_LINE_STM32F429xx) || \
defined(CPU_LINE_STM32F437xx) || defined(CPU_LINE_STM32F439xx))
#if IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CLOCK_HSE == MHZ(8))
#define CONFIG_CLOCK_PLL_N (168)
#elif IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CLOCK_HSE == MHZ(12))
#define CONFIG_CLOCK_PLL_N (336)
#else
#define CONFIG_CLOCK_PLL_N (84)
#endif
#else
#if IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CLOCK_HSE == MHZ(8))
#define CONFIG_CLOCK_PLL_N (180)
#elif IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CLOCK_HSE == MHZ(12))
#define CONFIG_CLOCK_PLL_N (360)
#else
#define CONFIG_CLOCK_PLL_N (90)
#endif
#endif /* MODULE_PERIPH_USBDEV */
#endif
#ifndef CONFIG_CLOCK_PLL_P
#define CONFIG_CLOCK_PLL_P (2)
#endif
#ifndef CONFIG_CLOCK_PLL_Q
#if IS_USED(MODULE_PERIPH_USBDEV) && \
(defined(CPU_LINE_STM32F405xx) || defined(CPU_LINE_STM32F407xx) || \
defined(CPU_LINE_STM32F415xx) || defined(CPU_LINE_STM32F417xx) || \
defined(CPU_LINE_STM32F427xx) || defined(CPU_LINE_STM32F429xx) || \
defined(CPU_LINE_STM32F437xx) || defined(CPU_LINE_STM32F439xx))
#define CONFIG_CLOCK_PLL_Q (7)
#else
#define CONFIG_CLOCK_PLL_Q (8)
#endif
#endif
#ifndef CONFIG_CLOCK_PLL_R
#define CONFIG_CLOCK_PLL_R (8)
#endif