menu "ESP32S2-specific" # TODO: this component simply shouldn't be included # in the build at the CMake level, but this is currently # not working so we just hide all items here visible if IDF_TARGET_ESP32S2 menu "Cache config" choice ESP32S2_INSTRUCTION_CACHE_SIZE prompt "Instruction cache size" default ESP32S2_INSTRUCTION_CACHE_8KB help Instruction cache size to be set on application startup. If you use 8KB instruction cache rather than 16KB instruction cache, then the other 8KB will be added to the heap. config ESP32S2_INSTRUCTION_CACHE_8KB bool "8KB" config ESP32S2_INSTRUCTION_CACHE_16KB bool "16KB" endchoice choice ESP32S2_INSTRUCTION_CACHE_LINE_SIZE prompt "Instruction cache line size" default ESP32S2_INSTRUCTION_CACHE_LINE_32B help Instruction cache line size to be set on application startup. config ESP32S2_INSTRUCTION_CACHE_LINE_16B bool "16 Bytes" config ESP32S2_INSTRUCTION_CACHE_LINE_32B bool "32 Bytes" endchoice choice ESP32S2_DATA_CACHE_SIZE prompt "Data cache size" default ESP32S2_DATA_CACHE_0KB if !ESP32S2_SPIRAM_SUPPORT default ESP32S2_DATA_CACHE_8KB if ESP32S2_SPIRAM_SUPPORT help Data cache size to be set on application startup. If you use 0KB data cache, the other 16KB will be added to the heap If you use 8KB data cache rather than 16KB data cache, the other 8KB will be added to the heap config ESP32S2_DATA_CACHE_0KB depends on !ESP32S2_SPIRAM_SUPPORT bool "0KB" config ESP32S2_DATA_CACHE_8KB bool "8KB" config ESP32S2_DATA_CACHE_16KB bool "16KB" endchoice choice ESP32S2_DATA_CACHE_LINE_SIZE prompt "Data cache line size" default ESP32S2_DATA_CACHE_LINE_32B help Data cache line size to be set on application startup. config ESP32S2_DATA_CACHE_LINE_16B bool "16 Bytes" config ESP32S2_DATA_CACHE_LINE_32B bool "32 Bytes" endchoice config ESP32S2_INSTRUCTION_CACHE_WRAP bool "Enable instruction cache wrap" default "n" help If enabled, instruction cache will use wrap mode to read spi flash (maybe spiram). The wrap length equals to INSTRUCTION_CACHE_LINE_SIZE. However, it depends on complex conditions. config ESP32S2_DATA_CACHE_WRAP bool "Enable data cache wrap" default "n" help If enabled, data cache will use wrap mode to read spiram (maybe spi flash). The wrap length equals to DATA_CACHE_LINE_SIZE. However, it depends on complex conditions. endmenu # Cache config # Note: to support SPIRAM across multiple chips, check CONFIG_SPIRAM # instead config ESP32S2_SPIRAM_SUPPORT bool "Support for external, SPI-connected RAM" default "n" select SPIRAM 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 ESP32S2_SPIRAM_SUPPORT config SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY 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 or IS25WP032" config SPIRAM_TYPE_ESPPSRAM64 bool "ESP-PSRAM64 or LY68L6400" endchoice config SPIRAM_SIZE int default -1 if SPIRAM_TYPE_AUTO default 2097152 if SPIRAM_TYPE_ESPPSRAM16 default 4194304 if SPIRAM_TYPE_ESPPSRAM32 default 8388608 if SPIRAM_TYPE_ESPPSRAM64 default 0 menu "PSRAM clock and cs IO for ESP32S2" depends on ESP32S2_SPIRAM_SUPPORT 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_hw_support/Kconfig.spiram.common" #insert non-chip-specific items here endmenu config ESP32S2_MEMMAP_TRACEMEM bool default "n" config ESP32S2_MEMMAP_TRACEMEM_TWOBANKS bool default "n" config ESP32S2_TRAX bool "Use TRAX tracing feature" default "n" select ESP32S2_MEMMAP_TRACEMEM help The ESP32S2 contains a feature which allows you to trace the execution path the processor has taken through the program. This is stored in a chunk of 32K (16K for single-processor) of memory that can't be used for general purposes anymore. Disable this if you do not know what this is. config ESP32S2_TRACEMEM_RESERVE_DRAM hex default 0x8000 if ESP32S2_MEMMAP_TRACEMEM && ESP32S2_MEMMAP_TRACEMEM_TWOBANKS default 0x4000 if ESP32S2_MEMMAP_TRACEMEM && !ESP32S2_MEMMAP_TRACEMEM_TWOBANKS default 0x0 config ESP32S2_KEEP_USB_ALIVE bool "Keep USB peripheral enabled at start up" if !ESP_CONSOLE_USB_CDC default y if ESP_CONSOLE_USB_CDC help During the application initialization process, all the peripherals except UARTs and timers are reset. Enable this option to keep USB peripheral enabled. This option is automatically enabled if "USB CDC" console is selected. config ESP32S2_RTCDATA_IN_FAST_MEM bool "Place RTC_DATA_ATTR and RTC_RODATA_ATTR variables into RTC fast memory segment" default n help This option allows to place .rtc_data and .rtc_rodata sections into RTC fast memory segment to free the slow memory region for ULP programs. config ESP32S2_USE_FIXED_STATIC_RAM_SIZE bool "Use fixed static RAM size" default n help If this option is disabled, the DRAM part of the heap starts right after the .bss section, within the dram0_0 region. As a result, adding or removing some static variables will change the available heap size. If this option is enabled, the DRAM part of the heap starts right after the dram0_0 region, where its length is set with ESP32S2_FIXED_STATIC_RAM_SIZE config ESP32S2_FIXED_STATIC_RAM_SIZE hex "Fixed Static RAM size" default 0x10000 range 0 0x34000 depends on ESP32S2_USE_FIXED_STATIC_RAM_SIZE help RAM size dedicated for static variables (.data & .bss sections). endmenu # ESP32S2-Specific