xtensa/esp32: Tasks use PSRAM as stack can do SPI flash read/write/erase/map/unmap

arch/xtensa/src/esp32/Kconfig

@@ -1811,6 +1811,16 @@ config ESP32_SPIFLASH_DEBUG
 		Enable this option, read and write of SPI Flash
 		will show input arguments and result.
 
+config ESP32_SPI_FLASH_SUPPORT_PSRAM_STACK
+	bool "Support PSRAM As Task Stack"
+	default n
+	depends on ESP32_SPIRAM
+	select SCHED_LPWORK
+	---help---
+		Enable this option, Tasks which use PSRAM as stack
+		can do SPI Flash read/write/erase/map/unmap.
+		Otherwise, it may cause exception.
+
 if ESP32_APP_FORMAT_LEGACY
 
 comment "Partition Table Configuration"

boards/xtensa/esp32/esp32-devkitc/configs/psram_usrheap/defconfig

@@ -20,8 +20,10 @@ CONFIG_ARCH_XTENSA=y
 CONFIG_BOARD_LOOPSPERMSEC=16717
 CONFIG_BUILTIN=y
 CONFIG_DEV_ZERO=y
+CONFIG_ESP32_SPIFLASH=y
 CONFIG_ESP32_SPIRAM=y
 CONFIG_ESP32_SPIRAM_USER_HEAP=y
+CONFIG_ESP32_SPI_FLASH_SUPPORT_PSRAM_STACK=y
 CONFIG_ESP32_UART0=y
 CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y