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psram: add octal psram ECC feature

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Armando
2021-11-18 15:34:22 +08:00
parent fee1d38467
commit 9a6f894046
8 changed files with 273 additions and 148 deletions
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6
components/esp_hw_support/include/soc/esp32s3/spiram.h
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@@ -52,15 +52,15 @@ bool esp_spiram_test(void);
*/
esp_err_t esp_spiram_add_to_heapalloc(void);
/**
* @brief Get the size of the attached SPI RAM chip selected in menuconfig
* @brief Get the available physical size of the attached SPI RAM chip
*
* @note If ECC is enabled, the available physical size would be smaller than the physical size. See `CONFIG_SPIRAM_ECC_ENABLE`
*
* @return Size in bytes, or 0 if no external RAM chip support compiled in.
*/
size_t esp_spiram_get_size(void);
/**
* @brief Force a writeback of the data in the SPI RAM cache. This is to be called whenever
* cache is disabled, because disabling cache on the ESP32 discards the data in the SPI