[INITIAL] Start supporting internal SPI for NiNa

Author: facchinm

variants/mkrvidor/variant.h

@@ -121,11 +121,12 @@ static const uint8_t SCK1  = PIN_SPI1_SCK;
 #define SDCARD_SCK_PIN  PIN_SPI1_SCK
 #define SDCARD_SS_PIN   PIN_SPI1_SS
 
-// TEMP: NINA passthrough
-#define SPIWIFI         SPI
-#define SPIWIFI_SS      5
-#define SPIWIFI_ACK     4
-#define SPIWIFI_RESET   7
+// NINA signals
+#define SPIWIFI         SPIEx
+#define NINA_GPIO0      (100 + 64 + 10)   // WM_PIO27 -> NiNa GPIO0 -> FPGA N9
+#define SPIWIFI_RESET   (100 + 64 + 0)    // WM_RESET -> NiNa RESETN -> FPGA R1
+#define SPIWIFI_ACK     (100 + 64 + 5)    // WM_PIO7  -> NiNa GPIO33 -> FPGA P6
+#define SPIWIFI_SS      (100 + 64 + 11)   // WM_PIO28 -> NiNa GPIO5 -> FPGA N11
 
 // Wire Interfaces
 // ---------------