diff options
Diffstat (limited to 'os/hal')
| -rw-r--r-- | os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h | 18 | ||||
| -rw-r--r-- | os/hal/ports/STM32/STM32F7xx/hal_lld.c | 6 |
2 files changed, 14 insertions, 10 deletions
diff --git a/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h b/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h index e20ebe637..ab46ecf43 100644 --- a/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h +++ b/os/hal/ports/STM32/LLD/DMAv2/stm32_dma.h @@ -241,15 +241,21 @@ typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags); * @note On devices without data cache this function does nothing.
* @note The function takes care of cache lines alignment.
*
- * @param[in] addr address of the DMA buffer
- * @param[in] size size of the DMA buffer
+ * @param[in] saddr start address of the DMA buffer, inclusive
+ * @param[in] eaddr end address of the DMA buffer, not inclusive
*
* @api
*/
-#define dmaBufferInvalidate(addr, size) { \
- uint32_t *aaddr = (uint32_t *)(((uint32_t)(addr)) & ~0x1FU); \
- uint32_t asize = (uint32_t)((((size) - 1) | 0x1FU) + 1U); \
- SCB_CleanInvalidateDCache_by_Addr(aaddr, asize); \
+#define dmaBufferInvalidate(saddr, eaddr) { \
+ uint8_t *start = (uint8_t *)(((uint32_t)(saddr)) & ~0x1FU); \
+ uint8_t *end = (uint8_t *)(((((uint32_t)(eaddr)) - 1U) | 0x1FU) + 1U); \
+ __DSB(); \
+ while (start < end) { \
+ SCB->DCCIMVAC = (uint32_t)start; \
+ start += 32U; \
+ } \
+ __DSB(); \
+ __ISB(); \
}
#else
#define dmaBufferInvalidate(addr, size) { \
diff --git a/os/hal/ports/STM32/STM32F7xx/hal_lld.c b/os/hal/ports/STM32/STM32F7xx/hal_lld.c index 1c2c2e364..e5f74ed8c 100644 --- a/os/hal/ports/STM32/STM32F7xx/hal_lld.c +++ b/os/hal/ports/STM32/STM32F7xx/hal_lld.c @@ -141,10 +141,8 @@ void hal_lld_init(void) { 0x20000000U,
MPU_RASR_ATTR_AP_RW_RW |
MPU_RASR_ATTR_CACHEABLE_WT_NWA |
- MPU_RNR_REGION(1) |
- MPU_RNR_REGION(5) |
- MPU_RNR_REGION(6) |
- MPU_RNR_REGION(7) |
+ MPU_RASR_SRD_DISABLE_SUB0 | MPU_RASR_SRD_DISABLE_SUB5 |
+ MPU_RASR_SRD_DISABLE_SUB6 | MPU_RASR_SRD_DISABLE_SUB7 |
MPU_RASR_SIZE_512K |
MPU_RASR_ENABLE);
mpuEnable(MPU_CTRL_PRIVDEFENA);
|