Add support for 8 and 16 MB Flash (#2351)

Add to core dev config initially

Author: me-no-dev

boards.txt

@@ -1826,9 +1826,28 @@ coredev.menu.FlashSize.4M3M.build.flash_size=4M
 coredev.menu.FlashSize.4M3M.build.flash_ld=eagle.flash.4m.ld
 coredev.menu.FlashSize.4M3M.build.spiffs_start=0x100000
 coredev.menu.FlashSize.4M3M.build.spiffs_end=0x3FB000
+coredev.menu.FlashSize.4M3M.build.spiffs_pagesize=256
 coredev.menu.FlashSize.4M3M.build.spiffs_blocksize=8192
 coredev.menu.FlashSize.4M3M.upload.maximum_size=1044464
 
+coredev.menu.FlashSize.8M7M=8M (7M SPIFFS)
+coredev.menu.FlashSize.8M7M.build.flash_size=8M
+coredev.menu.FlashSize.8M7M.build.flash_ld=eagle.flash.8m.ld
+coredev.menu.FlashSize.8M7M.build.spiffs_start=0x100000
+coredev.menu.FlashSize.8M7M.build.spiffs_end=0x7FB000
+coredev.menu.FlashSize.8M7M.build.spiffs_pagesize=256
+coredev.menu.FlashSize.8M7M.build.spiffs_blocksize=8192
+coredev.menu.FlashSize.8M7M.upload.maximum_size=1044464
+
+coredev.menu.FlashSize.16M15M=16M (15M SPIFFS)
+coredev.menu.FlashSize.16M15M.build.flash_size=16M
+coredev.menu.FlashSize.16M15M.build.flash_ld=eagle.flash.16m.ld
+coredev.menu.FlashSize.16M15M.build.spiffs_start=0x100000
+coredev.menu.FlashSize.16M15M.build.spiffs_end=0x17FB000
+coredev.menu.FlashSize.16M15M.build.spiffs_pagesize=256
+coredev.menu.FlashSize.16M15M.build.spiffs_blocksize=8192
+coredev.menu.FlashSize.16M15M.upload.maximum_size=1044464
+
 coredev.menu.ResetMethod.ck=ck
 coredev.menu.ResetMethod.ck.upload.resetmethod=ck
 coredev.menu.ResetMethod.nodemcu=nodemcu

cores/esp8266/Esp.cpp

@@ -249,12 +249,10 @@ uint32_t EspClass::magicFlashChipSize(uint8_t byte) {
             return (2_MB);
         case 0x4: // 32 MBit (4MB)
             return (4_MB);
-        case 0x5: // 64 MBit (8MB)
+        case 0x8: // 64 MBit (8MB)
             return (8_MB);
-        case 0x6: // 128 MBit (16MB)
+        case 0x9: // 128 MBit (16MB)
             return (16_MB);
-        case 0x7: // 256 MBit (32MB)
-            return (32_MB);
         default: // fail?
             return 0;
     }
@@ -363,19 +361,19 @@ bool EspClass::checkFlashConfig(bool needsEquals) {
 
 String EspClass::getResetReason(void) {
     char buff[32];
-    if (resetInfo.reason == REASON_DEFAULT_RST) { // normal startup by power on 
+    if (resetInfo.reason == REASON_DEFAULT_RST) { // normal startup by power on
       strcpy_P(buff, PSTR("Power on"));
     } else if (resetInfo.reason == REASON_WDT_RST) { // hardware watch dog reset
       strcpy_P(buff, PSTR("Hardware Watchdog"));
-    } else if (resetInfo.reason == REASON_EXCEPTION_RST) { // exception reset, GPIO status won’t change 
+    } else if (resetInfo.reason == REASON_EXCEPTION_RST) { // exception reset, GPIO status won’t change
       strcpy_P(buff, PSTR("Exception"));
-    } else if (resetInfo.reason == REASON_SOFT_WDT_RST) { // software watch dog reset, GPIO status won’t change 
+    } else if (resetInfo.reason == REASON_SOFT_WDT_RST) { // software watch dog reset, GPIO status won’t change
       strcpy_P(buff, PSTR("Software Watchdog"));
-    } else if (resetInfo.reason == REASON_SOFT_RESTART) { // software restart ,system_restart , GPIO status won’t change 
+    } else if (resetInfo.reason == REASON_SOFT_RESTART) { // software restart ,system_restart , GPIO status won’t change
       strcpy_P(buff, PSTR("Software/System restart"));
-    } else if (resetInfo.reason == REASON_DEEP_SLEEP_AWAKE) { // wake up from deep-sleep 
+    } else if (resetInfo.reason == REASON_DEEP_SLEEP_AWAKE) { // wake up from deep-sleep
       strcpy_P(buff, PSTR("Deep-Sleep Wake"));
-    } else if (resetInfo.reason == REASON_EXT_SYS_RST) { // external system reset 
+    } else if (resetInfo.reason == REASON_EXT_SYS_RST) { // external system reset
       strcpy_P(buff, PSTR("External System"));
     } else {
       strcpy_P(buff, PSTR("Unknown"));
@@ -548,5 +546,4 @@ String EspClass::getSketchMD5()
     md5.calculate();
     result = md5.toString();
     return result;
-} 
-
+}

cores/esp8266/flash_utils.h

@@ -42,7 +42,7 @@ typedef struct {
     /* SPI Flash Interface (0 = QIO, 1 = QOUT, 2 = DIO, 0x3 = DOUT) */
     unsigned char       flash_mode;
 
-    /* High four bits: 0 = 512K, 1 = 256K, 2 = 1M, 3 = 2M, 4 = 4M, 
+    /* High four bits: 0 = 512K, 1 = 256K, 2 = 1M, 3 = 2M, 4 = 4M, 8 = 8M, 9 = 16M
        Low four bits:  0 = 40MHz, 1= 26MHz, 2 = 20MHz, 0xf = 80MHz */
     unsigned char		flash_size_freq;
 

tools/sdk/ld/eagle.flash.16m.ld

@@ -12,7 +12,7 @@ MEMORY
 }
 
 PROVIDE ( _SPIFFS_start = 0x40300000 );
-PROVIDE ( _SPIFFS_end = 0x41200000 );
+PROVIDE ( _SPIFFS_end = 0x411FB000 );
 PROVIDE ( _SPIFFS_page = 0x100 );
 PROVIDE ( _SPIFFS_block = 0x2000 );
 

tools/sdk/ld/eagle.flash.8m.ld

@@ -12,7 +12,7 @@ MEMORY
 }
 
 PROVIDE ( _SPIFFS_start = 0x40300000 );
-PROVIDE ( _SPIFFS_end = 0x40A00000 );
+PROVIDE ( _SPIFFS_end = 0x409FB000 );
 PROVIDE ( _SPIFFS_page = 0x100 );
 PROVIDE ( _SPIFFS_block = 0x2000 );