gustavonihei commented on a change in pull request #5827:
URL: https://github.com/apache/incubator-nuttx/pull/5827#discussion_r836795833
##########
File path: arch/xtensa/src/esp32s2/Kconfig
##########
@@ -442,6 +448,96 @@ endif
endmenu # SPI Flash Configuration
+menu "SPI RAM Configuration"
+ depends on ESP32S2_SPIRAM
+
+config ESP32S2_DEFAULT_PSRAM_CLK_IO
+ int "PSRAM CLK pin"
+ default 30
+
+config ESP32S2_DEFAULT_PSRAM_CS_IO
+ int "PSRAM CS pin"
+ default 26
+
+choice ESP32S2_SPIRAM_TYPE
+ prompt "Type of SPI RAM chip in use"
+ default ESP32S2_SPIRAM_TYPE_AUTO
+
+config ESP32S2_SPIRAM_TYPE_AUTO
+ bool "Auto-detect"
+
+config ESP32S2_SPIRAM_TYPE_ESPPSRAM32
+ bool "ESP-PSRAM32 or IS25WP032"
+
+config ESP32S2_SPIRAM_TYPE_ESPPSRAM64
+ bool "ESP-PSRAM64 or LY68L6400"
+endchoice #ESP32S2_SPIRAM_TYPE
+
+config ESP32S2_SPIRAM_SIZE
+ int
+ default -1 if ESP32S2_SPIRAM_TYPE_AUTO
+ default 4194304 if ESP32S2_SPIRAM_TYPE_ESPPSRAM32
+ default 8388608 if ESP32S2_SPIRAM_TYPE_ESPPSRAM64
+ default 0
+
+config ESP32S2_SPIRAM_FETCH_INSTRUCTIONS
+ bool "Cache fetch instructions from SPI RAM"
+ default n
+ ---help---
+ If enabled, instruction in flash will be copied into SPIRAM.
+ If ESP32S2_SPIRAM_RODATA is also enabled, you can run the
instruction
+ when erasing or programming the flash.
+
+config ESP32S2_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 ESP32S2_SPIRAM_FETCH_INSTRUCTIONS is also enabled,
+ you can run the instruction when erasing or programming the
+ flash.
+
+choice ESP32S2_SPIRAM_SPEED
+ prompt "Set RAM clock speed"
+ default ESP32S2_SPIRAM_SPEED_40M
+ ---help---
+ Select the speed for the SPI RAM chip.
+
+config ESP32S2_SPIRAM_SPEED_40M
+ bool "40MHz clock speed"
+
+config ESP32S2_SPIRAM_SPEED_80M
+ bool "80MHz clock speed"
+
+endchoice # ESP32S2_SPIRAM_SPEED
+
+config ESP32S2_SPIRAM_SPEED
+ int
+ default 80 if ESP32S2_SPIRAM_SPEED_80M
+ default 40 if ESP32S2_SPIRAM_SPEED_40M
+
+config ESP32S2_SPIRAM_BOOT_INIT
+ bool "Initialize SPI RAM during startup"
+ depends on ESP32S2_SPIRAM
+ default "y"
+ ---help---
+ If this is enabled, the SPI RAM will be enabled during initial
+ boot. Unless you have specific requirements, you'll want to
leave
+ this enabled so memory allocated during boot-up can also be
+ placed in SPI RAM.
+
+config ESP32S2_SPIRAM_IGNORE_NOTFOUND
+ bool "Ignore PSRAM when not found"
+ default "n"
+ depends on ESP32S2_SPIRAM_BOOT_INIT && !BOOT_SDRAM_DATA
+ ---help---
+ Normally, if psram initialization is enabled during compile time
Review comment:
```suggestion
Normally, if PSRAM initialization is enabled during compile time
```
##########
File path: arch/xtensa/src/esp32s2/Kconfig
##########
@@ -442,6 +448,96 @@ endif
endmenu # SPI Flash Configuration
+menu "SPI RAM Configuration"
+ depends on ESP32S2_SPIRAM
+
+config ESP32S2_DEFAULT_PSRAM_CLK_IO
+ int "PSRAM CLK pin"
+ default 30
+
+config ESP32S2_DEFAULT_PSRAM_CS_IO
+ int "PSRAM CS pin"
+ default 26
+
+choice ESP32S2_SPIRAM_TYPE
+ prompt "Type of SPI RAM chip in use"
+ default ESP32S2_SPIRAM_TYPE_AUTO
+
+config ESP32S2_SPIRAM_TYPE_AUTO
+ bool "Auto-detect"
+
+config ESP32S2_SPIRAM_TYPE_ESPPSRAM32
+ bool "ESP-PSRAM32 or IS25WP032"
+
+config ESP32S2_SPIRAM_TYPE_ESPPSRAM64
+ bool "ESP-PSRAM64 or LY68L6400"
+endchoice #ESP32S2_SPIRAM_TYPE
+
+config ESP32S2_SPIRAM_SIZE
+ int
+ default -1 if ESP32S2_SPIRAM_TYPE_AUTO
+ default 4194304 if ESP32S2_SPIRAM_TYPE_ESPPSRAM32
+ default 8388608 if ESP32S2_SPIRAM_TYPE_ESPPSRAM64
+ default 0
+
+config ESP32S2_SPIRAM_FETCH_INSTRUCTIONS
+ bool "Cache fetch instructions from SPI RAM"
+ default n
+ ---help---
+ If enabled, instruction in flash will be copied into SPIRAM.
+ If ESP32S2_SPIRAM_RODATA is also enabled, you can run the
instruction
+ when erasing or programming the flash.
+
+config ESP32S2_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 ESP32S2_SPIRAM_FETCH_INSTRUCTIONS is also enabled,
+ you can run the instruction when erasing or programming the
+ flash.
+
+choice ESP32S2_SPIRAM_SPEED
+ prompt "Set RAM clock speed"
+ default ESP32S2_SPIRAM_SPEED_40M
+ ---help---
+ Select the speed for the SPI RAM chip.
+
+config ESP32S2_SPIRAM_SPEED_40M
+ bool "40MHz clock speed"
+
+config ESP32S2_SPIRAM_SPEED_80M
+ bool "80MHz clock speed"
+
+endchoice # ESP32S2_SPIRAM_SPEED
+
+config ESP32S2_SPIRAM_SPEED
+ int
+ default 80 if ESP32S2_SPIRAM_SPEED_80M
+ default 40 if ESP32S2_SPIRAM_SPEED_40M
+
+config ESP32S2_SPIRAM_BOOT_INIT
+ bool "Initialize SPI RAM during startup"
+ depends on ESP32S2_SPIRAM
+ default "y"
+ ---help---
+ If this is enabled, the SPI RAM will be enabled during initial
+ boot. Unless you have specific requirements, you'll want to
leave
+ this enabled so memory allocated during boot-up can also be
+ placed in SPI RAM.
+
+config ESP32S2_SPIRAM_IGNORE_NOTFOUND
+ bool "Ignore PSRAM when not found"
+ default "n"
+ depends on ESP32S2_SPIRAM_BOOT_INIT && !BOOT_SDRAM_DATA
+ ---help---
+ Normally, if psram initialization is enabled during compile time
+ but not found at runtime, it is seen as an error making the CPU
+ panic. If this is enabled, booting will complete but no PSRAM
+ will be available.
+
+endmenu #SPI RAM Configuration
Review comment:
```suggestion
endmenu # SPI RAM Configuration
```
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