| # Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| if SOC_SERIES_ESP32 || SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
| |
| config ESP_SPIRAM |
| bool "Support for external, SPI-connected RAM" |
| default n if MCUBOOT |
| 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 ESP_SPIRAM |
| |
| config ESP_HEAP_MIN_EXTRAM_THRESHOLD |
| int "Minimum threshold for external RAM allocation" |
| default 8192 |
| range 1024 131072 |
| help |
| Threshold to decide if memory will be allocated from DRAM |
| or SPIRAM. If value of allocation size is less than this value, |
| memory will be allocated from internal RAM. |
| |
| config ESP_HEAP_SEARCH_ALL_REGIONS |
| bool "Search for all available heap regions" |
| default y |
| help |
| This configuration enables searching all available heap |
| regions. If the region of desired capability is exhausted, |
| memory will be allocated from other available region. |
| |
| config ESP_SPIRAM_HEAP_SIZE |
| int "Size of SPIRAM heap" |
| default 262134 if SYS_HEAP_SMALL_ONLY |
| default 1048576 if !SYS_HEAP_SMALL_ONLY |
| help |
| Specify size of SPIRAM heap. |
| |
| choice SPIRAM_MODE |
| prompt "Mode (QUAD/OCT) of SPI RAM chip in use" |
| default SPIRAM_MODE_QUAD |
| |
| config SPIRAM_MODE_QUAD |
| bool "Quad Mode PSRAM" |
| |
| config SPIRAM_MODE_OCT |
| bool "Octal Mode PSRAM" |
| depends on SOC_SERIES_ESP32S3 |
| |
| endchoice # SPIRAM_MODE |
| |
| choice SPIRAM_TYPE |
| prompt "Type of SPI RAM chip in use" |
| default SPIRAM_TYPE_ESPPSRAM16 if SPIRAM_MODE_QUAD |
| default SPIRAM_TYPE_ESPPSRAM64 |
| |
| config SPIRAM_TYPE_ESPPSRAM16 |
| bool "ESP-PSRAM16 or APS1604" |
| depends on SPIRAM_MODE_QUAD |
| |
| config SPIRAM_TYPE_ESPPSRAM32 |
| bool "ESP-PSRAM32 or IS25WP032" |
| depends on SPIRAM_MODE_QUAD |
| |
| config SPIRAM_TYPE_ESPPSRAM64 |
| bool "ESP-PSRAM64, LY68L6400 or APS6408" |
| |
| endchoice # SPIRAM_TYPE |
| |
| config ESP_SPIRAM_SIZE |
| int "Size of SPIRAM part" |
| default 2097152 if SPIRAM_TYPE_ESPPSRAM16 |
| default 4194304 if SPIRAM_TYPE_ESPPSRAM32 |
| default 8388608 if SPIRAM_TYPE_ESPPSRAM64 |
| help |
| Specify size of SPIRAM part. |
| NOTE: If SPIRAM size is greater than 4MB, only |
| lower 4MB can be allocated using k_malloc(). |
| |
| choice SPIRAM_SPEED |
| prompt "Set RAM clock speed" |
| default SPIRAM_SPEED_40M |
| help |
| Select the speed for the SPI RAM chip. |
| |
| config SPIRAM_SPEED_20M |
| bool "20MHz clock speed" |
| depends on SOC_SERIES_ESP32S2 |
| |
| config SPIRAM_SPEED_26M |
| bool "26MHz clock speed" |
| depends on SOC_SERIES_ESP32S2 |
| |
| config SPIRAM_SPEED_40M |
| bool "40MHz clock speed" |
| |
| config SPIRAM_SPEED_80M |
| bool "80MHz clock speed" |
| depends on ESPTOOLPY_FLASHFREQ_80M |
| |
| config SPIRAM_SPEED_120M |
| bool "120MHz clock speed" |
| depends on SPIRAM_MODE_QUAD && SOC_SERIES_ESP32S3 |
| |
| endchoice # SPIRAM_SPEED |
| |
| config SPIRAM_SPEED |
| int |
| default 120 if SPIRAM_SPEED_120M |
| default 80 if SPIRAM_SPEED_80M |
| default 40 if SPIRAM_SPEED_40M || SPIRAM_SPEED_26M || SPIRAM_SPEED_20M |
| |
| config SPIRAM_CLK_IO |
| int |
| depends on SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
| default 30 |
| |
| config SPIRAM_CS_IO |
| int |
| depends on SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
| default 26 |
| |
| config SPIRAM_FETCH_INSTRUCTIONS |
| bool "Move Instructions in Flash to PSRAM" |
| depends on SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
| default n |
| help |
| If enabled, instructions in flash will be moved into PSRAM on startup. |
| If SPIRAM_RODATA is also enabled, code that requires execution during an SPI1 Flash operation |
| can forgo being placed in IRAM, thus optimizing RAM usage (see External RAM documentation |
| for more details). |
| |
| config SPIRAM_RODATA |
| bool "Move Read-Only Data in Flash to PSRAM" |
| depends on SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
| default n |
| help |
| If enabled, rodata in flash will be moved into PSRAM on startup. |
| If SPIRAM_FETCH_INSTRUCTIONS is also enabled, code that requires execution during an SPI1 Flash operation |
| can forgo being placed in IRAM, thus optimizing RAM usage (see External RAM documentation |
| for more details). |
| |
| config SPIRAM_ECC_ENABLE |
| bool "Allow enabling SPI RAM ECC" |
| default n |
| depends on SPIRAM_MODE_OCT && SOC_SERIES_ESP32S3 |
| help |
| Enable MSPI Error-Correcting Code function when accessing SPIRAM. |
| If enabled, 1/16 of the SPI RAM total size will be reserved for error-correcting code. |
| |
| if SOC_SERIES_ESP32 |
| |
| menu "PSRAM clock and cs IO for ESP32-DOWD" |
| |
| config D0WD_PSRAM_CLK_IO |
| int "PSRAM CLK IO number" |
| range 0 33 |
| default 17 |
| help |
| The PSRAM CLOCK IO can be any unused GPIO, user can config it based on hardware design. If user use |
| 1.8V flash and 1.8V psram, this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17. |
| |
| config D0WD_PSRAM_CS_IO |
| int "PSRAM CS IO number" |
| range 0 33 |
| default 16 |
| help |
| The PSRAM CS IO can be any unused GPIO, user can config it based on hardware design. If user use |
| 1.8V flash and 1.8V psram, this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17. |
| |
| endmenu # PSRAM clock and cs IO for ESP32-DOWD |
| |
| menu "PSRAM clock and cs IO for ESP32-D2WD" |
| |
| config D2WD_PSRAM_CLK_IO |
| int "PSRAM CLK IO number" |
| range 0 33 |
| default 9 |
| help |
| User can config it based on hardware design. For ESP32-D2WD chip, the psram can only be 1.8V psram, |
| so this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17. |
| |
| config D2WD_PSRAM_CS_IO |
| int "PSRAM CS IO number" |
| range 0 33 |
| default 10 |
| help |
| User can config it based on hardware design. For ESP32-D2WD chip, the psram can only be 1.8V psram, |
| so this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17. |
| |
| endmenu # PSRAM clock and cs IO for ESP32-D2WD |
| |
| menu "PSRAM clock and cs IO for ESP32-PICO" |
| |
| config PICO_PSRAM_CS_IO |
| int "PSRAM CS IO number" |
| range 0 33 |
| default 10 |
| help |
| The PSRAM CS IO can be any unused GPIO, user can config it based on hardware design. |
| |
| For ESP32-PICO chip, the psram share clock with flash, so user do not need to configure the clock |
| IO For the reference hardware design, please refer to |
| https://www.espressif.com/sites/default/files/documentation/esp32-pico-d4_datasheet_en.pdf |
| |
| endmenu # PSRAM clock and cs IO for ESP32-PICO |
| |
| config SPIRAM_CUSTOM_SPIWP_SD3_PIN |
| bool "Use custom SPI PSRAM WP(SD3) Pin when flash pins set in eFuse (read help)" |
| depends on ESPTOOLPY_FLASHMODE_DIO || ESPTOOLPY_FLASHMODE_DOUT |
| default n |
| help |
| This setting is only used if the SPI flash pins have been overridden by setting the eFuses |
| SPI_PAD_CONFIG_xxx, and the SPI flash mode is DIO or DOUT. |
| |
| When this is the case, the eFuse config only defines 3 of the 4 Quad I/O data pins. The WP pin (aka |
| ESP32 pin "SD_DATA_3" or SPI flash pin "IO2") is not specified in eFuse. The psram only has QPI |
| mode, so a WP pin setting is necessary. |
| |
| If this config item is set to N (default), the correct WP pin will be automatically used for any |
| Espressif chip or module with integrated flash. If a custom setting is needed, set this config item |
| to Y and specify the GPIO number connected to the WP pin. |
| |
| When flash mode is set to QIO or QOUT, the PSRAM WP pin will be set the same as the SPI Flash WP pin |
| configured in the bootloader. |
| |
| config SPIRAM_SPIWP_SD3_PIN |
| int "Custom SPI PSRAM WP(SD3) Pin" |
| depends on SPIRAM_CUSTOM_SPIWP_SD3_PIN |
| range 0 33 |
| default 7 |
| help |
| The option "Use custom SPI PSRAM WP(SD3) pin" must be set or this value is ignored |
| |
| If burning a customized set of SPI flash pins in eFuse and using DIO or DOUT mode for flash, set this |
| value to the GPIO number of the SPIRAM WP pin. |
| |
| endif # SOC_SERIES_ESP32 |
| |
| endmenu # ESP_SPIRAM |
| |
| endif # SOC_SERIES_ESP32 || SOC_SERIES_ESP32S2 || SOC_SERIES_ESP32S3 |
