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# Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
# SPDX-License-Identifier: Apache-2.0
config SOC_ESP32S2
bool "ESP32S2"
select XTENSA
select ATOMIC_OPERATIONS_C
select DYNAMIC_INTERRUPTS
select CLOCK_CONTROL
select CLOCK_CONTROL_ESP32
if SOC_ESP32S2
config IDF_TARGET_ESP32S2
bool "ESP32S2 as target board"
default y
config ESPTOOLPY_FLASHFREQ_80M
bool
default y
choice
prompt "Instruction cache line size"
default ESP32S2_INSTRUCTION_CACHE_LINE_32B
config ESP32S2_INSTRUCTION_CACHE_LINE_16B
bool "16 Bytes"
config ESP32S2_INSTRUCTION_CACHE_LINE_32B
bool "32 Bytes"
endchoice
choice
prompt "Instruction cache size"
default ESP32S2_INSTRUCTION_CACHE_8KB
config ESP32S2_INSTRUCTION_CACHE_8KB
bool "8KB instruction cache size"
config ESP32S2_INSTRUCTION_CACHE_16KB
bool "16KB instruction cache size"
endchoice
choice
prompt "Data cache size"
default ESP32S2_DATA_CACHE_0KB if !ESP_SPIRAM
default ESP32S2_DATA_CACHE_8KB if ESP_SPIRAM
config ESP32S2_DATA_CACHE_0KB
bool "0KB data cache size"
config ESP32S2_DATA_CACHE_8KB
bool "8KB data cache size"
config ESP32S2_DATA_CACHE_16KB
bool "16KB data cache size"
endchoice
choice
prompt "Data cache line size"
default ESP32S2_DATA_CACHE_LINE_32B
config ESP32S2_DATA_CACHE_LINE_16B
bool "16 Bytes"
config ESP32S2_DATA_CACHE_LINE_32B
bool "32 Bytes"
endchoice
config ESP32S2_INSTRUCTION_CACHE_SIZE
hex
default 0x4000 if ESP32S2_INSTRUCTION_CACHE_16KB
default 0x2000
config ESP32S2_DATA_CACHE_SIZE
hex
default 0x2000 if ESP32S2_DATA_CACHE_8KB
default 0x4000 if ESP32S2_DATA_CACHE_16KB
default 0x0000
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.
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().
menu "PSRAM clock and cs IO for ESP32S2"
depends on ESP_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 # PSRAM clock and cs IO for ESP32S2
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 # SPIRAM_SPEED
config SPIRAM
bool
default y
endmenu # SPI RAM config
choice ESP32S2_UNIVERSAL_MAC_ADDRESSES
bool "Number of universally administered (by IEEE) MAC address"
default ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO
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 two,
all interfaces (WiFi station, WiFi softap) receive a universally administered MAC
address.
They are generated sequentially by adding 0, and 1 (respectively) to the final octet of
the base MAC address. If the number of universal MAC addresses is one, only WiFi station
receives a universally administered MAC address.
The WiFi softap receives local MAC addresses. It's derived from the universal WiFi
station MAC addresses.
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 1 or 2 per device).
config ESP32S2_UNIVERSAL_MAC_ADDRESSES_ONE
bool "Two"
select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
config ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO
bool "Two"
select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
select ESP_MAC_ADDR_UNIVERSE_WIFI_AP
endchoice # ESP32S2_UNIVERSAL_MAC_ADDRESSES
config ESP_MAC_ADDR_UNIVERSE_WIFI_AP
bool
config ESP_MAC_ADDR_UNIVERSE_WIFI_STA
bool
config ESP32S2_UNIVERSAL_MAC_ADDRESSES
int
default 1 if ESP32S2_UNIVERSAL_MAC_ADDRESSES_ONE
default 2 if ESP32S2_UNIVERSAL_MAC_ADDRESSES_TWO
endif # SOC_ESP32S2