espressif/arduino-esp32
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IDF master 4e03a9c34c (#5792)

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esp-dsp: master e05fc36
esp-face: master f108a83
esp-rainmaker: f1b82c7
esp32-camera: master 3022601
esp_littlefs: master 05d55ab
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Me No Dev
2021-10-21 16:27:28 +03:00
committed by GitHub
parent ed53b6c8d4
commit 4413dbbd87
351 changed files with 1477 additions and 880 deletions
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17
tools/sdk/esp32c3/include/spi_flash/include/esp_private/spi_flash_os.h
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@ -45,17 +45,26 @@ extern "C" {
esp_err_t spi_flash_init_chip_state(void);
/**
* @brief Make MSPI work under 20Mhz
* @brief Make MSPI work under 20Mhz, remove the timing tuning required delays.
* @param control_spi1 Select whether to control SPI1. For tuning, we need to use SPI1. After tuning (during startup stage), let the flash driver to control SPI1
*/
void spi_timing_enter_mspi_low_speed_mode(bool control_spi1);
/**
* @brief Make MSPI work under the frequency as users set
* @brief Make MSPI work under the frequency as users set, may add certain delays to MSPI RX direction to meet timing requirements.
* @param control_spi1 Select whether to control SPI1. For tuning, we need to use SPI1. After tuning (during startup stage), let the flash driver to control SPI1
*/
void spi_timing_enter_mspi_high_speed_mode(bool control_spi1);
/**
* @brief Switch MSPI into low speed mode / high speed mode.
* @note This API is cache safe, it will freeze both D$ and I$ and restore them after MSPI is switched
* @note For some of the MSPI high frequency settings (e.g. 80M DDR mode Flash or PSRAM), timing tuning is required.
* Certain delays will be added to the MSPI RX direction. When CPU clock switches from PLL to XTAL, should call
* this API first to enter MSPI low speed mode to remove the delays, and vice versa.
*/
void spi_timing_change_speed_mode_cache_safe(bool switch_down);
/**
* @brief Tune MSPI flash timing to make it work under high frequency
*/
@ -90,9 +99,9 @@ esp_err_t esp_flash_init_main(esp_flash_t *chip);
void spi_timing_get_flash_timing_param(spi_flash_hal_timing_config_t *out_timing_config);
/**
* @brief Judge if the flash in tuned
* @brief Get the knowledge if the MSPI timing is tuned or not
*/
bool spi_timine_config_flash_is_tuned(void);
bool spi_timing_is_tuned(void);
/**
* @brief Set Flash chip specifically required MSPI register settings here