soc:esp32: Add config allow MbedTLS heap and LVGL Frambuffer use SPI RAM

soc/espressif/common/Kconfig.spiram

@@ -140,6 +140,24 @@ config SPIRAM_ECC_ENABLE
 	  Enable MSPI Error-Correcting Code function when accessing SPIRAM.
 	  If enabled, 1/16 of the SPI RAM total size will be reserved for error-correcting code.
 
+config ESP_SPIRAM_ALLOC_MBED_HEAP
+	bool "Place MbedTLS heap into spiram"
+	depends on ESP_SPIRAM 
+	depends on MBEDTLS_ENABLE_HEAP
+	select MBEDTLS_HEAP_CUSTOM_SECTION
+	default n
+	help
+	  If enable this will place mbedtls_heap into spi ram
+
+config ESP_SPIRAM_LVGL_FRAMEBUFFER
+	bool "Place LVGL Frambuffer into spiram"
+	depends on ESP_SPIRAM
+	depends on LV_Z_BUFFER_ALLOC_STATIC
+	select LV_Z_VDB_CUSTOM_SECTION
+	default n
+	help
+	  If enable this will place LVGL framebuffer into spi ram
+
 if SOC_SERIES_ESP32
 
 menu "PSRAM clock and cs IO for ESP32-DOWD"

soc/espressif/esp32/default.ld

@@ -821,7 +821,14 @@ SECTIONS
 
     . = ALIGN(16);
     _ext_ram_noinit_end = ABSOLUTE(.);
-
+#ifdef CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP
+    *(.mbedtls_heap)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP */
+#ifdef CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER
+    *(.lvgl_buf)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER */
     _ext_ram_bss_start = ABSOLUTE(.);
 
     *(.ext_ram.bss*)

soc/espressif/esp32s2/default.ld

@@ -799,7 +799,14 @@ SECTIONS
 
     . = ALIGN(16);
     _ext_ram_noinit_end = ABSOLUTE(.);
-
+#ifdef CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP
+    *(.mbedtls_heap)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP */
+#ifdef CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER
+    *(.lvgl_buf)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER */
     _ext_ram_bss_start = ABSOLUTE(.);
 
     *(.ext_ram.bss*)

soc/espressif/esp32s3/default.ld

@@ -1012,7 +1012,14 @@ SECTIONS
 #endif /* CONFIG_ESP32_WIFI_NET_ALLOC_SPIRAM */
     . = ALIGN(16);
     _ext_ram_noinit_end = ABSOLUTE(.);
-
+#ifdef CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP
+    *(.mbedtls_heap)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_ALLOC_MBED_HEAP */
+#ifdef CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER
+    *(.lvgl_buf)
+    . = ALIGN(16);
+#endif /* CONFIG_ESP_SPIRAM_LVGL_FRAMEBUFFER */
     _ext_ram_bss_start = ABSOLUTE(.);
     *(.ext_ram.bss*)
     . = ALIGN(16);