esp-idf/components/esp32s3/Kconfig

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menu "ESP32S3-Specific"
visible if IDF_TARGET_ESP32S3
choice ESP32S3_DEFAULT_CPU_FREQ_MHZ
prompt "CPU frequency"
default ESP32S3_DEFAULT_CPU_FREQ_40 if IDF_ENV_FPGA
default ESP32S3_DEFAULT_CPU_FREQ_160 if !IDF_ENV_FPGA
help
CPU frequency to be set on application startup.
config ESP32S3_DEFAULT_CPU_FREQ_40
bool "40 MHz"
depends on IDF_ENV_FPGA
config ESP32S3_DEFAULT_CPU_FREQ_80
bool "80 MHz"
config ESP32S3_DEFAULT_CPU_FREQ_160
bool "160 MHz"
config ESP32S3_DEFAULT_CPU_FREQ_240
bool "240 MHz"
endchoice
config ESP32S3_DEFAULT_CPU_FREQ_MHZ
int
default 40 if ESP32S3_DEFAULT_CPU_FREQ_40
default 80 if ESP32S3_DEFAULT_CPU_FREQ_80
default 160 if ESP32S3_DEFAULT_CPU_FREQ_160
default 240 if ESP32S3_DEFAULT_CPU_FREQ_240
menu "Cache config"
choice ESP32S3_INSTRUCTION_CACHE_SIZE
prompt "Instruction cache size"
default ESP32S3_INSTRUCTION_CACHE_16KB
help
Instruction cache size to be set on application startup.
If you use 16KB instruction cache rather than 32KB instruction cache,
then the other 16KB will be managed by heap allocator.
config ESP32S3_INSTRUCTION_CACHE_16KB
bool "16KB"
config ESP32S3_INSTRUCTION_CACHE_32KB
bool "32KB"
endchoice
config ESP32S3_INSTRUCTION_CACHE_SIZE
hex
default 0x4000 if ESP32S3_INSTRUCTION_CACHE_16KB
default 0x8000 if ESP32S3_INSTRUCTION_CACHE_32KB
choice ESP32S3_ICACHE_ASSOCIATED_WAYS
prompt "Instruction cache associated ways"
default ESP32S3_INSTRUCTION_CACHE_8WAYS
help
Instruction cache associated ways to be set on application startup.
config ESP32S3_INSTRUCTION_CACHE_4WAYS
bool "4 ways"
config ESP32S3_INSTRUCTION_CACHE_8WAYS
bool "8 ways"
endchoice
config ESP32S3_ICACHE_ASSOCIATED_WAYS
int
default 4 if ESP32S3_INSTRUCTION_CACHE_4WAYS
default 8 if ESP32S3_INSTRUCTION_CACHE_8WAYS
choice ESP32S3_INSTRUCTION_CACHE_LINE_SIZE
prompt "Instruction cache line size"
default ESP32S3_INSTRUCTION_CACHE_LINE_32B
help
Instruction cache line size to be set on application startup.
config ESP32S3_INSTRUCTION_CACHE_LINE_16B
bool "16 Bytes"
depends on ESP32S3_INSTRUCTION_CACHE_16KB
config ESP32S3_INSTRUCTION_CACHE_LINE_32B
bool "32 Bytes"
endchoice
config ESP32S3_INSTRUCTION_CACHE_LINE_SIZE
int
default 16 if ESP32S3_INSTRUCTION_CACHE_LINE_16B
default 32 if ESP32S3_INSTRUCTION_CACHE_LINE_32B
config ESP32S3_INSTRUCTION_CACHE_WRAP
bool ## TODO IDF-4307
default "n"
depends on !SPIRAM_ECC_ENABLE
help
If enabled, instruction cache will use wrap mode to read spi flash or spi ram.
The wrap length equals to ESP32S3_INSTRUCTION_CACHE_LINE_SIZE.
However, it depends on complex conditions.
choice ESP32S3_DATA_CACHE_SIZE
prompt "Data cache size"
default ESP32S3_DATA_CACHE_32KB
help
Data cache size to be set on application startup.
If you use 32KB data cache rather than 64KB data cache,
the other 32KB will be added to the heap.
config ESP32S3_DATA_CACHE_16KB
bool "16KB"
config ESP32S3_DATA_CACHE_32KB
bool "32KB"
config ESP32S3_DATA_CACHE_64KB
bool "64KB"
endchoice
config ESP32S3_DATA_CACHE_SIZE
hex
# For 16KB the actual configuration is 32kb cache, but 16kb will be reserved for heap at startup
default 0x8000 if ESP32S3_DATA_CACHE_16KB
default 0x8000 if ESP32S3_DATA_CACHE_32KB
default 0x10000 if ESP32S3_DATA_CACHE_64KB
choice ESP32S3_DCACHE_ASSOCIATED_WAYS
prompt "Data cache associated ways"
default ESP32S3_DATA_CACHE_8WAYS
help
Data cache associated ways to be set on application startup.
config ESP32S3_DATA_CACHE_4WAYS
bool "4 ways"
config ESP32S3_DATA_CACHE_8WAYS
bool "8 ways"
endchoice
config ESP32S3_DCACHE_ASSOCIATED_WAYS
int
default 4 if ESP32S3_DATA_CACHE_4WAYS
default 8 if ESP32S3_DATA_CACHE_8WAYS
choice ESP32S3_DATA_CACHE_LINE_SIZE
prompt "Data cache line size"
default ESP32S3_DATA_CACHE_LINE_32B
help
Data cache line size to be set on application startup.
config ESP32S3_DATA_CACHE_LINE_16B
bool "16 Bytes"
depends on ESP32S3_DATA_CACHE_16KB || ESP32S3_DATA_CACHE_32KB
config ESP32S3_DATA_CACHE_LINE_32B
bool "32 Bytes"
config ESP32S3_DATA_CACHE_LINE_64B
bool "64 Bytes"
endchoice
config ESP32S3_DATA_CACHE_LINE_SIZE
int
default 16 if ESP32S3_DATA_CACHE_LINE_16B
default 32 if ESP32S3_DATA_CACHE_LINE_32B
default 64 if ESP32S3_DATA_CACHE_LINE_64B
config ESP32S3_DATA_CACHE_WRAP
bool ## TODO IDF-4307
default "n"
depends on !SPIRAM_ECC_ENABLE
help
If enabled, data cache will use wrap mode to read spi flash or spi ram.
The wrap length equals to ESP32S3_DATA_CACHE_LINE_SIZE.
However, it depends on complex conditions.
endmenu # Cache config
# Hint: to support SPIRAM across multiple chips, check CONFIG_SPIRAM instead
config ESP32S3_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 ESP32S3_SPIRAM_SUPPORT
config SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY
bool
default "y"
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"
endchoice
choice SPIRAM_TYPE
prompt "Type of SPIRAM chip in use"
default SPIRAM_TYPE_AUTO
config SPIRAM_TYPE_AUTO
bool "Auto-detect"
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
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 16777216 if SPIRAM_TYPE_ESPPSRAM128
default 33554432 if SPIRAM_TYPE_ESPPSRAM256
default 0
menu "PSRAM Clock and CS IO for ESP32S3"
depends on ESP32S3_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, please refer to your 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, please refer to your 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, rodata in flash will be copied into SPIRAM.
If SPIRAM_FETCH_INSTRUCTIONS is 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_120M
depends on SPIRAM_MODE_QUAD
bool "120MHz clock speed"
config SPIRAM_SPEED_80M
bool "80MHz clock speed"
config SPIRAM_SPEED_40M
bool "40Mhz clock speed"
endchoice
config SPIRAM_SPEED
int
default 120 if SPIRAM_SPEED_120M
default 80 if SPIRAM_SPEED_80M
default 40 if SPIRAM_SPEED_40M
source "$IDF_PATH/components/esp_hw_support/Kconfig.spiram.common" # insert non-chip-specific items here
endmenu
config ESP32S3_MEMMAP_TRACEMEM
bool
default "n"
config ESP32S3_MEMMAP_TRACEMEM_TWOBANKS
bool
default "n"
config ESP32S3_TRAX
bool "Use TRAX tracing feature"
default "n"
select ESP32S3_MEMMAP_TRACEMEM
help
The esp32-s3 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 ESP32S3_TRAX_TWOBANKS
bool "Reserve memory for tracing both pro as well as app cpu execution"
default "n"
depends on ESP32S3_TRAX && !FREERTOS_UNICORE
select ESP32S3_MEMMAP_TRACEMEM_TWOBANKS
help
The esp32-s3 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 ESP32S3_TRACEMEM_RESERVE_DRAM
hex
default 0x8000 if ESP32S3_MEMMAP_TRACEMEM && ESP32S3_MEMMAP_TRACEMEM_TWOBANKS
default 0x4000 if ESP32S3_MEMMAP_TRACEMEM && !ESP32S3_MEMMAP_TRACEMEM_TWOBANKS
default 0x0
choice ESP32S3_TIME_SYSCALL
prompt "Timers used for gettimeofday function"
default ESP32S3_TIME_SYSCALL_USE_RTC_SYSTIMER
help
This setting defines which hardware timers are used to
implement 'gettimeofday' and 'time' functions in C library.
- If both high-resolution and RTC timers are used, timekeeping will
continue in deep sleep. Time will be reported at 1 microsecond
resolution. This is the default, and the recommended option.
- If only high-resolution timer is used, gettimeofday will
provide time at microsecond resolution.
Time will not be preserved when going into deep sleep mode.
- If only RTC timer is used, timekeeping will continue in
deep sleep, but time will be measured at 6.(6) microsecond
resolution. Also the gettimeofday function itself may take
longer to run.
- If no timers are used, gettimeofday and time functions
return -1 and set errno to ENOSYS.
- When RTC is used for timekeeping, two RTC_STORE registers are
used to keep time in deep sleep mode.
config ESP32S3_TIME_SYSCALL_USE_RTC_SYSTIMER
bool "RTC and high-resolution timer"
select ESP_TIME_FUNCS_USE_RTC_TIMER
select ESP_TIME_FUNCS_USE_ESP_TIMER
config ESP32S3_TIME_SYSCALL_USE_RTC
bool "RTC"
select ESP_TIME_FUNCS_USE_RTC_TIMER
config ESP32S3_TIME_SYSCALL_USE_SYSTIMER
bool "High-resolution timer"
select ESP_TIME_FUNCS_USE_ESP_TIMER
config ESP32S3_TIME_SYSCALL_USE_NONE
bool "None"
select ESP_TIME_FUNCS_USE_NONE
endchoice
choice ESP32S3_RTC_CLK_SRC
prompt "RTC clock source"
default ESP32S3_RTC_CLK_SRC_INT_RC
help
Choose which clock is used as RTC clock source.
config ESP32S3_RTC_CLK_SRC_INT_RC
bool "Internal 150kHz RC oscillator"
config ESP32S3_RTC_CLK_SRC_EXT_CRYS
bool "External 32kHz crystal"
select ESP_SYSTEM_RTC_EXT_XTAL
config ESP32S3_RTC_CLK_SRC_EXT_OSC
bool "External 32kHz oscillator at 32K_XP pin"
select ESP_SYSTEM_RTC_EXT_OSC
config ESP32S3_RTC_CLK_SRC_INT_8MD256
bool "Internal 8MHz oscillator, divided by 256 (~32kHz)"
endchoice
config ESP32S3_RTC_CLK_CAL_CYCLES
int "Number of cycles for RTC_SLOW_CLK calibration"
default 3000 if ESP32S3_RTC_CLK_SRC_EXT_CRYS || ESP32S3_RTC_CLK_SRC_EXT_OSC || ESP32S3_RTC_CLK_SRC_INT_8MD256
default 1024 if ESP32S3_RTC_CLK_SRC_INT_RC
range 0 27000 if ESP32S3_RTC_CLK_SRC_EXT_CRYS || ESP32S3_RTC_CLK_SRC_EXT_OSC || ESP32S3_RTC_CLK_SRC_INT_8MD256
range 0 32766 if ESP32S3_RTC_CLK_SRC_INT_RC
help
When the startup code initializes RTC_SLOW_CLK, it can perform
calibration by comparing the RTC_SLOW_CLK frequency with main XTAL
frequency. This option sets the number of RTC_SLOW_CLK cycles measured
by the calibration routine. Higher numbers increase calibration
precision, which may be important for applications which spend a lot of
time in deep sleep. Lower numbers reduce startup time.
When this option is set to 0, clock calibration will not be performed at
startup, and approximate clock frequencies will be assumed:
- 150000 Hz if internal RC oscillator is used as clock source. For this use value 1024.
- 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more.
In case more value will help improve the definition of the launch of the crystal.
If the crystal could not start, it will be switched to internal RC.
config ESP32S3_DEEP_SLEEP_WAKEUP_DELAY
int "Extra delay in deep sleep wake stub (in us)"
default 2000
range 0 5000
help
When ESP32S3 exits deep sleep, the CPU and the flash chip are powered on
at the same time. CPU will run deep sleep stub first, and then
proceed to load code from flash. Some flash chips need sufficient
time to pass between power on and first read operation. By default,
without any extra delay, this time is approximately 900us, although
some flash chip types need more than that.
By default extra delay is set to 2000us. When optimizing startup time
for applications which require it, this value may be reduced.
If you are seeing "flash read err, 1000" message printed to the
console after deep sleep reset, try increasing this value.
config ESP32S3_NO_BLOBS
bool "No Binary Blobs"
depends on !BT_ENABLED
default n
help
If enabled, this disables the linking of binary libraries in the application build. Note
that after enabling this Wi-Fi/Bluetooth will not work.
config ESP32S3_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 ESP32S3_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 ESP32S3_FIXED_STATIC_RAM_SIZE
config ESP32S3_FIXED_STATIC_RAM_SIZE
hex "Fixed Static RAM size"
default 0x10000
range 0 0x34000
depends on ESP32S3_USE_FIXED_STATIC_RAM_SIZE
help
RAM size dedicated for static variables (.data & .bss sections).
endmenu # ESP32S3-Specific