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bootloader: add xmc spi_flash startup flow to improve reliability

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This commit is contained in:
Michael (XIAO Xufeng)
2021-08-01 14:23:36 +08:00
parent 5578909ffb
commit dd40123129
11 changed files with 254 additions and 30 deletions
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10
components/bootloader_support/include_bootloader/bootloader_flash_priv.h
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@@ -29,6 +29,7 @@
#define CMD_RDSR 0x05
#define CMD_RDSR2 0x35 /* Not all SPI flash uses this command */
#define CMD_OTPEN 0x3A /* Enable OTP mode, not all SPI flash uses this command */
#define CMD_RDSFDP 0x5A /* Read the SFDP of the flash */
#define CMD_WRAP 0x77 /* Set burst with wrap command */
#define CMD_RESUME 0x7A /* Resume command to clear flash suspend bit */
@@ -156,6 +157,15 @@ static inline uint32_t bootloader_cache_pages_to_map(uint32_t size, uint32_t vad
*/
uint32_t bootloader_execute_flash_command(uint8_t command, uint32_t mosi_data, uint8_t mosi_len, uint8_t miso_len);
/**
* @brief Read the SFDP of the flash
*
* @param sfdp_addr Address of the parameter to read
* @param miso_byte_num Bytes to read
* @return The read SFDP, little endian, 4 bytes at most
*/
uint32_t bootloader_flash_read_sfdp(uint32_t sfdp_addr, unsigned int miso_byte_num);
/**
* @brief Enable the flash write protect (WEL bit).
*/