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# Copyright (c) 2017 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
config SOC_ESP32
bool "ESP32"
select XTENSA
select CLOCK_CONTROL
select DYNAMIC_INTERRUPTS
select ARCH_HAS_GDBSTUB
select ARCH_SUPPORTS_COREDUMP
select PINCTRL
select XIP
select HAS_ESPRESSIF_HAL
if SOC_ESP32
config IDF_TARGET_ESP32
bool "ESP32 as target board"
default y
config ESPTOOLPY_FLASHFREQ_80M
bool
default y
config FLASH_SIZE
int
default $(dt_node_reg_size_int,/soc/flash-controller@3ff42000/flash@0,0)
config FLASH_BASE_ADDRESS
hex
default $(dt_node_reg_addr_hex,/soc/flash-controller@3ff42000/flash@0)
config ESP32_NETWORK_CORE
bool "Uses the ESP32 APP_CPU as Network dedicated core"
config ESP32_BT_RESERVE_DRAM
hex "Bluetooth controller reserved RAM region"
default 0xdb5c if BT
default 0
config ESP_HEAP_MEM_POOL_REGION_1_SIZE
int "Internal DRAM region 1 mempool size"
default 1024 if ESP32_NETWORK_CORE
default 49152
help
ESP32 has two banks of size 192K and 128K which can be used
as DRAM, system heap allocates area from region 0.
This configuration can be used to add memory from region 1
to heap and can be allocated using k_malloc.
config ESP_SPIRAM
bool "Support for external, SPI-connected RAM"
help
This enables support for an external SPI RAM chip, connected in
parallel with the main SPI flash chip.
config ESP_HEAP_MIN_EXTRAM_THRESHOLD
int "Minimum threshold for external RAM allocation"
default 8192
range 1024 131072
depends on ESP_SPIRAM
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"
depends on ESP_SPIRAM
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.
menu "SPI RAM config"
depends on ESP_SPIRAM
choice SPIRAM_TYPE
prompt "Type of SPI RAM chip in use"
default SPIRAM_TYPE_ESPPSRAM16
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 # 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.
If SPI RAM is enabled, we only support three combinations of SPI speed mode we supported now:
1. Flash SPI running at 40MHz and RAM SPI running at 40MHz
2. Flash SPI running at 80MHz and RAM SPI running at 40MHz
3. Flash SPI running at 80MHz and RAM SPI running at 80MHz
Note: If the third mode(80MHz+80MHz) is enabled for SPI RAM of type 32MBit, one of the HSPI/VSPI host
will be occupied by the system. Which SPI host to use can be selected by the config item
SPIRAM_OCCUPY_SPI_HOST. Application code should never touch HSPI/VSPI hardware in this case. The
option to select 80MHz will only be visible if the flash SPI speed is also 80MHz.
(ESPTOOLPY_FLASHFREQ_79M is true)
config SPIRAM_SPEED_40M
bool "40MHz clock speed"
config SPIRAM_SPEED_80M
depends on ESPTOOLPY_FLASHFREQ_80M
bool "80MHz clock speed"
endchoice # SPIRAM_SPEED
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)"
default y if SPIRAM_SPIWP_SD3_PIN != 7 # backwards compatibility, can remove in IDF 5
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"
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.
config SPIRAM
bool
default y
endmenu # SPI RAM config
choice ESP32_UNIVERSAL_MAC_ADDRESSES
bool "Number of universally administered (by IEEE) MAC address"
default ESP32_UNIVERSAL_MAC_ADDRESSES_FOUR
help
Configure the number of universally administered (by IEEE) MAC addresses.
During initialization, MAC addresses for each network interface are generated or
derived from a single base MAC address. If the number of universal MAC addresses is four,
all four interfaces (WiFi station, WiFi softap, Bluetooth and Ethernet) receive a universally
administered MAC address. These are generated sequentially by adding 0, 1, 2 and 3 (respectively)
to the final octet of the base MAC address. If the number of universal MAC addresses is two,
only two interfaces (WiFi station and Bluetooth) receive a universally administered MAC address.
These are generated sequentially by adding 0 and 1 (respectively) to the base MAC address.
The remaining two interfaces (WiFi softap and Ethernet) receive local MAC addresses.
These are derived from the universal WiFi station and Bluetooth MAC addresses, respectively.
When using the default (Espressif-assigned) base MAC address, either setting can be used.
When using a custom universal MAC address range, the correct setting will depend on the
allocation of MAC addresses in this range (either 2 or 4 per device.)
config ESP32_UNIVERSAL_MAC_ADDRESSES_TWO
bool "Two"
select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
select ESP_MAC_ADDR_UNIVERSE_BT
config ESP32_UNIVERSAL_MAC_ADDRESSES_FOUR
bool "Four"
select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
select ESP_MAC_ADDR_UNIVERSE_WIFI_AP
select ESP_MAC_ADDR_UNIVERSE_BT
select ESP_MAC_ADDR_UNIVERSE_ETH
endchoice # ESP32_UNIVERSAL_MAC_ADDRESSES
config ESP_MAC_ADDR_UNIVERSE_WIFI_AP
bool
config ESP_MAC_ADDR_UNIVERSE_WIFI_STA
bool
config ESP_MAC_ADDR_UNIVERSE_BT
bool
config ESP_MAC_ADDR_UNIVERSE_ETH
bool
config ESP32_UNIVERSAL_MAC_ADDRESSES
int
default 2 if ESP32_UNIVERSAL_MAC_ADDRESSES_TWO
default 4 if ESP32_UNIVERSAL_MAC_ADDRESSES_FOUR
config ESP32_PHY_MAX_WIFI_TX_POWER
int "Max WiFi/BLE TX power (dBm)"
range 10 20
default 20
help
Set maximum transmit power for WiFi radio. Actual transmit power for high
data rates may be lower than this setting.
config ESP32_PHY_MAX_TX_POWER
int
default ESP32_PHY_MAX_WIFI_TX_POWER
config ESP32_EMAC
bool
default y if ETH_ESP32
default y if MDIO_ESP32
default n
help
Hidden option to enable the ESP32 Ethernet MAC driver.
Both Ethernet and MDIO depend on this driver.
This option allows enabling MDIO independently of Ethernet.
if ESP32_EMAC
config ETH_DMA_BUFFER_SIZE
int "Ethernet DMA buffer size (Byte)"
range 256 1600
default 512
help
Set the size of each buffer used by Ethernet MAC DMA.
config ETH_DMA_RX_BUFFER_NUM
int "Amount of Ethernet DMA Rx buffers"
range 3 30
default 10
help
Number of DMA receive buffers. Each buffer's size is ETH_DMA_BUFFER_SIZE.
Larger number of buffers could increase throughput somehow.
config ETH_DMA_TX_BUFFER_NUM
int "Amount of Ethernet DMA Tx buffers"
range 3 30
default 10
help
Number of DMA transmit buffers. Each buffer's size is ETH_DMA_BUFFER_SIZE.
Larger number of buffers could increase throughput somehow.
endif # ESP32_EMAC
endif # SOC_ESP32