Allows user to bypass PSRAM test and boot faster with WROVER (espressif#6135)

Fixes espressif#5737

Author: SuGlider

Diff for: cores/esp32/Arduino.h

@@ -166,6 +166,7 @@ void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
 #include "Udp.h"
 #include "HardwareSerial.h"
 #include "Esp.h"
+#include "esp32/spiram.h"
 
 using std::abs;
 using std::isinf;
@@ -181,7 +182,10 @@ uint16_t makeWord(uint8_t h, uint8_t l);
 
 size_t getArduinoLoopTaskStackSize(void);
 #define SET_LOOP_TASK_STACK_SIZE(sz) size_t getArduinoLoopTaskStackSize() { return sz;}
-    
+
+// allows user to bypass esp_spiram_test()
+#define BYPASS_SPIRAM_TEST(bypass) bool testSPIRAM(void) { if (bypass) return true; else return esp_spiram_test(); }
+
 unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
 unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
 

Diff for: cores/esp32/esp32-hal-psram.c

@@ -35,6 +35,13 @@
 static volatile bool spiramDetected = false;
 static volatile bool spiramFailed = false;
 
+//allows user to bypass SPI RAM test routine
+__attribute__((weak)) bool testSPIRAM(void) 
+{ 
+     return esp_spiram_test(); 
+}
+
+
 bool psramInit(){
     if (spiramDetected) {
         return true;
@@ -66,7 +73,8 @@ bool psramInit(){
         return false;
     }
     esp_spiram_init_cache();
-    if (!esp_spiram_test()) {
+    //testSPIRAM() allows user to bypass SPI RAM test routine
+    if (!testSPIRAM()) {
         spiramFailed = true;
         log_e("PSRAM test failed!");
         return false;

Diff for: cores/esp32/esp32-hal.h

@@ -95,6 +95,9 @@ void analogWrite(uint8_t pin, int value);
 //returns chip temperature in Celsius
 float temperatureRead();
 
+//allows user to bypass SPI RAM test routine
+bool testSPIRAM(void);
+
 #if CONFIG_AUTOSTART_ARDUINO
 //enable/disable WDT for Arduino's setup and loop functions
 void enableLoopWDT();