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- config SPIRAM
- bool "Support for external, SPI-connected RAM"
- default "n"
- help
- This enables support for an external SPI RAM chip, connected in parallel with the
- main SPI flash chip.
- menu "SPI RAM config"
- depends on SPIRAM
- config SPIRAM_MODE_QUAD
- bool
- default "y"
- choice SPIRAM_TYPE
- prompt "Type of SPI RAM chip in use"
- default SPIRAM_TYPE_AUTO
- config SPIRAM_TYPE_AUTO
- bool "Auto-detect"
- config SPIRAM_TYPE_ESPPSRAM16
- bool "ESP-PSRAM16 or APS1604"
- config SPIRAM_TYPE_ESPPSRAM32
- bool "ESP-PSRAM32"
- config SPIRAM_TYPE_ESPPSRAM64
- bool "ESP-PSRAM64 or LY68L6400"
- endchoice
- config SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY
- bool "Allow external memory as an argument to xTaskCreateStatic"
- default y
- help
- Accessing memory in SPIRAM has certain restrictions, so task stacks allocated by xTaskCreate
- are by default allocated from internal RAM.
- This option allows for passing memory allocated from SPIRAM to be passed to xTaskCreateStatic.
- This should only be used for tasks where the stack is never accessed while the cache is disabled.
- Cannot be used together with ESP_COREDUMP_ENABLE_TO_FLASH.
- menu "PSRAM clock and cs IO for ESP32S2"
- depends on SPIRAM
- config DEFAULT_PSRAM_CLK_IO
- int "PSRAM CLK IO number"
- range 0 33
- default 30
- help
- The PSRAM CLOCK IO can be any unused GPIO, user can config it based on hardware design.
- config DEFAULT_PSRAM_CS_IO
- int "PSRAM CS IO number"
- range 0 33
- default 26
- help
- The PSRAM CS IO can be any unused GPIO, user can config it based on hardware design.
- endmenu
- config SPIRAM_FETCH_INSTRUCTIONS
- bool "Cache fetch instructions from SPI RAM"
- default n
- help
- If enabled, instruction in flash will be copied into SPIRAM.
- If SPIRAM_RODATA also enabled,
- you can run the instruction when erasing or programming the flash.
- config SPIRAM_RODATA
- bool "Cache load read only data from SPI RAM"
- default n
- help
- If enabled, radata in flash will be copied into SPIRAM.
- If SPIRAM_FETCH_INSTRUCTIONS also enabled,
- you can run the instruction when erasing or programming the flash.
- choice SPIRAM_SPEED
- prompt "Set RAM clock speed"
- default SPIRAM_SPEED_40M
- help
- Select the speed for the SPI RAM chip.
- config SPIRAM_SPEED_80M
- bool "80MHz clock speed"
- config SPIRAM_SPEED_40M
- bool "40Mhz clock speed"
- config SPIRAM_SPEED_26M
- bool "26Mhz clock speed"
- config SPIRAM_SPEED_20M
- bool "20Mhz clock speed"
- endchoice
- config SPIRAM_SPEED
- int
- default 80 if SPIRAM_SPEED_80M
- default 40 if SPIRAM_SPEED_40M
- default 40 if SPIRAM_SPEED_26M
- default 40 if SPIRAM_SPEED_20M
- source "$IDF_PATH/components/esp_psram/Kconfig.spiram.common" # insert non-chip-specific items here
- endmenu
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