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hw/mcu: STM32H7 Add dcache support #3656

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hw/mcu: STM32H7 Add dcache support #3656

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5 changes: 0 additions & 5 deletions hw/mcu/stm/stm32h7xx/src/clock_stm32h7xx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,6 @@ SystemClock_Config(void)
RCC_PeriphCLKInitTypeDef per_clk_init = {0};
HAL_StatusTypeDef status;

/* Enable the MCU instruction cache */
#if MYNEWT_VAL(STM32_ENABLE_ICACHE)
SCB_EnableICache();
#endif

/*
* Supply configuration update enable
*/
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11 changes: 10 additions & 1 deletion hw/mcu/stm/stm32h7xx/src/hal_system_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,16 @@ hal_system_init(void)
/* Update SystemCoreClock global variable */
SystemCoreClockUpdate();

/* Enable the instruction cache */
#if MYNEWT_VAL(STM32_ENABLE_ICACHE)
SCB_EnableICache();
#endif

/* Enable the data cache */
#if MYNEWT_VAL(STM32_ENABLE_DCACHE)
SCB_EnableDCache();
#endif

/* Relocate the vector table */
NVIC_Relocate();
}

4 changes: 4 additions & 0 deletions hw/mcu/stm/stm32h7xx/syscfg.yml
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Expand Up @@ -34,6 +34,10 @@ syscfg.defs:
description: Enable instruction caching
value: 1

STM32_ENABLE_DCACHE:
description: Enable data caching
value: 1

STM32_CLOCK_VOLTAGESCALING_CONFIG:
description: Voltage scale
value: 0
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