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spi_flash: re-enable the HPM mode on several XMC chips

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This commit is contained in:
Cao Sen Miao
2022-06-23 15:19:56 +08:00
parent a56f68acd9
commit ec6a56ed0c
14 changed files with 121 additions and 33 deletions
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3
components/spi_flash/include/esp_flash.h
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@@ -100,7 +100,8 @@ struct esp_flash_t {
uint32_t size; ///< Size of SPI flash in bytes. If 0, size will be detected during initialisation.
uint32_t chip_id; ///< Detected chip id.
uint32_t busy :1; ///< This flag is used to verify chip's status.
uint32_t reserved_flags :31; ///< reserved.
uint32_t hpm_dummy_ena :1; ///< This flag is used to verify whether flash works under HPM status.
uint32_t reserved_flags :30; ///< reserved.
};

11
components/spi_flash/include/esp_private/spi_flash_os.h
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@@ -165,9 +165,16 @@ esp_err_t spi_flash_enable_high_performance_mode(void);
* This can be used when one flash has several dummy configurations to enable the high performance mode.
* @note Don't forget to subtract one when assign to the register of mspi e.g. if the value you get is 4, (4-1=3) should be assigned to the register.
*
* @return Pointer to bootlaoder_flash_dummy_conf_t.
* @return Pointer to spi_flash_hpm_dummy_conf_t.
*/
const spi_flash_hpm_dummy_conf_t *spi_flash_get_dummy(void);
const spi_flash_hpm_dummy_conf_t *spi_flash_hpm_get_dummy(void);
/**
* @brief Used to judge whether flash works under HPM mode with dummy adjustment.
*
* @return true Yes, and work under HPM with adjusting dummy. Otherwise, false.
*/
bool spi_flash_hpm_dummy_adjust(void);
typedef enum {
FLASH_WRAP_MODE_8B = 0,

2
components/spi_flash/include/spi_flash/spi_flash_defs.h
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@@ -67,3 +67,5 @@
#define SPI_FLASH_OPISTR_DUMMY_BITLEN 20
#define SPI_FLASH_OPIDTR_ADDR_BITLEN 32
#define SPI_FLASH_OPIDTR_DUMMY_BITLEN 40
#define SPI_FLASH_QIO_HPM_DUMMY_BITLEN 10
#define SPI_FLASH_DIO_HPM_DUMMY_BITLEN 8

3
components/spi_flash/include/spi_flash_override.h
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@@ -27,7 +27,8 @@ typedef struct {
} spi_flash_hpm_dummy_conf_t;
typedef enum {
SPI_FLASH_HPM_NEEDED, // Means that in the certain condition, flash needs to enter the high performance mode.
SPI_FLASH_HPM_CMD_NEEDED, // Means that in the certain condition, flash needs to enter the high performance mode by command.
SPI_FLASH_HPM_DUMMY_NEEDED, // Means that in the certain condition, flash needs to enter the high performance mode by adjusting dummy.
SPI_FLASH_HPM_UNNEEDED, // Means that flash doesn't need to enter the high performance mode.
SPI_FLASH_HPM_BEYOND_LIMIT, // Means that flash has no capability to meet that condition.
} spi_flash_requirement_t;