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xtensa/esp32s3: Invalidate cache if the flash address used has a cache mapping.

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Signed-off-by: chenwen@espressif.com <chenwen@espressif.com>
This commit is contained in:
chenwen@espressif.com
2023-09-20 14:56:21 +08:00
committed by Xiang Xiao
parent e852f28710
commit e2a82f008a
2 changed files with 509 additions and 356 deletions
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arch/xtensa/src/esp32s3/esp32s3_spiflash.c
+444 -356
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arch/xtensa/src/esp32s3/esp32s3_spiflash.h
+65
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@@ -42,10 +42,75 @@ extern "C"
#define EXTERN extern
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/* SPI Flash map request data */
struct spiflash_map_req_s
{
/* Request mapping SPI Flash base address */
uint32_t src_addr;
/* Request mapping SPI Flash size */
uint32_t size;
/* Mapped memory pointer */
void *ptr;
/* Mapped started MMU page index */
uint32_t start_page;
/* Mapped MMU page count */
uint32_t page_cnt;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: esp32s3_mmap
*
* Description:
* Mapped SPI Flash address to ESP32-S3's address bus, so that software
* can read SPI Flash data by reading data from memory access.
*
* If SPI Flash hardware encryption is enable, the read from mapped
* address is decrypted.
*
* Input Parameters:
* req - SPI Flash mapping requesting parameters
*
* Returned Value:
* 0 if success or a negative value if fail.
*
****************************************************************************/
int esp32s3_mmap(struct spiflash_map_req_s *req);
/****************************************************************************
* Name: esp32s3_ummap
*
* Description:
* Unmap SPI Flash address in ESP32-S3's address bus, and free resource.
*
* Input Parameters:
* req - SPI Flash mapping requesting parameters
*
* Returned Value:
* None.
*
****************************************************************************/
void esp32s3_ummap(const struct spiflash_map_req_s *req);
/****************************************************************************
* Name: spi_flash_read_encrypted
*