bugfix(psram): configure MMU after PSRAM initialization

components/esp32/spiram.c

@@ -127,7 +127,7 @@ esp_spiram_size_t esp_spiram_get_chip_size(void)
 {
     if (!spiram_inited) {
         ESP_EARLY_LOGE(TAG, "SPI RAM not initialized");
-        return ESP_SPIRAM_SIZE_INVALID;
+        abort();
     }
     psram_size_t psram_size = psram_get_size();
     switch (psram_size) {

components/esp32s2/spiram.c

@@ -300,6 +300,7 @@ esp_err_t esp_spiram_init(void)
         return r;
     }
 
+    spiram_inited=true;
 #if (CONFIG_SPIRAM_SIZE != -1)
     if (esp_spiram_get_size()!=CONFIG_SPIRAM_SIZE) {
         ESP_EARLY_LOGE(TAG, "Expected %dKiB chip but found %dKiB chip. Bailing out..", CONFIG_SPIRAM_SIZE/1024, esp_spiram_get_size()/1024);
@@ -315,7 +316,6 @@ esp_err_t esp_spiram_init(void)
                                           (PSRAM_MODE==PSRAM_VADDR_MODE_EVENODD)?"even/odd (2-core)": \
                                           (PSRAM_MODE==PSRAM_VADDR_MODE_LOWHIGH)?"low/high (2-core)": \
                                           (PSRAM_MODE==PSRAM_VADDR_MODE_NORMAL)?"normal (1-core)":"ERROR");
-    spiram_inited=true;
     return ESP_OK;
 }
 
@@ -386,6 +386,11 @@ esp_err_t esp_spiram_reserve_dma_pool(size_t size) {
 
 size_t esp_spiram_get_size(void)
 {
+    if (!spiram_inited) {
+        ESP_EARLY_LOGE(TAG, "SPI RAM not initialized");
+        abort();
+    }
+
     psram_size_t size=psram_get_size();
     if (size==PSRAM_SIZE_16MBITS) return 2*1024*1024;
     if (size==PSRAM_SIZE_32MBITS) return 4*1024*1024;

components/esp_system/port/cpu_start.c

@@ -257,7 +257,6 @@ void IRAM_ATTR call_start_cpu0(void)
 #endif
 
 #if CONFIG_SPIRAM_BOOT_INIT
-    esp_spiram_init_cache();
     if (esp_spiram_init() != ESP_OK) {
 #if CONFIG_IDF_TARGET_ESP32
 #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
@@ -274,6 +273,7 @@ void IRAM_ATTR call_start_cpu0(void)
         abort();
 #endif
     }
+    esp_spiram_init_cache();
 #endif
 
 #if !CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE