alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-23 01:05:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

psram: support .bss on psram on esp32s3

Browse Source
This commit is contained in:
Armando
2022-03-23 20:16:08 +08:00
parent 199d72c19c
commit f8249550f8
31 changed files with 582 additions and 375 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
components/esp_hw_support/include/soc/esp32/spiram.h
View File

@@ -17,20 +17,7 @@
extern "C" {
#endif
typedef enum {
ESP_SPIRAM_SIZE_16MBITS = 0, /*!< SPI RAM size is 16 MBits */
ESP_SPIRAM_SIZE_32MBITS = 1, /*!< SPI RAM size is 32 MBits */
ESP_SPIRAM_SIZE_64MBITS = 2, /*!< SPI RAM size is 64 MBits */
ESP_SPIRAM_SIZE_INVALID, /*!< SPI RAM size is invalid */
} esp_spiram_size_t;
/**
* @brief get SPI RAM size
* @return
* - ESP_SPIRAM_SIZE_INVALID if SPI RAM not enabled or not valid
* - SPI RAM size
*/
esp_spiram_size_t esp_spiram_get_chip_size(void);
//TODO: IDF-4382, unify `target/spiram.h`, update migration guide as well
/**
* @brief Initialize spiram interface/hardware. Normally called from cpu_start.c.
@@ -67,15 +54,6 @@ 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
*
* @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