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stm32/h7: Implemented support changing the clock routed to the USB peripherals in the RCC

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dragonmux
2024-04-15 20:39:52 +01:00
committed by Piotr Esden-Tempski
parent 2b6eb047e0
commit 972d408ba5
2 changed files with 16 additions and 9 deletions
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19
include/libopencm3/stm32/h7/rcc.h
View File

@@ -407,15 +407,16 @@ LGPL License Terms @ref lgpl_license
#define RCC_D2CCIP1R_SAISEL_PERCK 0x4 #define RCC_D2CCIP1R_SAISEL_PERCK 0x4
/**@}*/ /**@}*/
#define RCC_D2CCIP2R_LPTIM1SEL_SHIFT 28 #define RCC_D2CCIP2R_LPTIM1SEL_SHIFT 28U
#define RCC_D2CCIP2R_CECSEL_SHIFT 22 #define RCC_D2CCIP2R_CECSEL_SHIFT 22U
#define RCC_D2CCIP2R_USBSEL_SHIFT 20 #define RCC_D2CCIP2R_USBSEL_MASK 0x3U
#define RCC_D2CCIP2R_I2C123SEL_SHIFT 12 #define RCC_D2CCIP2R_USBSEL_SHIFT 20U
#define RCC_D2CCIP2R_RNGSEL_MASK 0x3 #define RCC_D2CCIP2R_I2C123SEL_SHIFT 12U
#define RCC_D2CCIP2R_RNGSEL_SHIFT 8 #define RCC_D2CCIP2R_RNGSEL_MASK 0x3U
#define RCC_D2CCIP2R_USART16SEL_SHIFT 3 #define RCC_D2CCIP2R_RNGSEL_SHIFT 8U
#define RCC_D2CCIP2R_USART234578SEL_SHIFT 0 #define RCC_D2CCIP2R_USART16SEL_SHIFT 3U
#define RCC_D2CCIP2R_USARTSEL_MASK 7 #define RCC_D2CCIP2R_USART234578SEL_SHIFT 0U
#define RCC_D2CCIP2R_USARTSEL_MASK 7U
/** @defgroup rcc_d2ccip2r_values RCC_D2CCIP2R Values /** @defgroup rcc_d2ccip2r_values RCC_D2CCIP2R Values
* @ingroup rcc_registers * @ingroup rcc_registers

6
lib/stm32/h7/rcc.c
View File

@@ -417,6 +417,12 @@ void rcc_set_peripheral_clk_sel(uint32_t periph, uint32_t sel) {
mask = RCC_D2CCIP2R_USARTSEL_MASK << RCC_D2CCIP2R_USART234578SEL_SHIFT; mask = RCC_D2CCIP2R_USARTSEL_MASK << RCC_D2CCIP2R_USART234578SEL_SHIFT;
val = sel << RCC_D2CCIP2R_USART234578SEL_SHIFT; val = sel << RCC_D2CCIP2R_USART234578SEL_SHIFT;
break; break;
case USB1_OTG_HS_BASE:
case USB2_OTG_FS_BASE:
reg = &RCC_D2CCIP2R;
mask = RCC_D2CCIP2R_USBSEL_MASK << RCC_D2CCIP2R_USBSEL_SHIFT;
val = sel << RCC_D2CCIP2R_USBSEL_SHIFT;
break;
default: default:
cm3_assert_not_reached(); cm3_assert_not_reached();