1 files changed, 64 insertions, 0 deletions
diff --git a/Marlin/src/HAL/DUE/spi_pins.h b/Marlin/src/HAL/DUE/spi_pins.h
new file mode 100644
index 0000000..cec22c2
--- /dev/null
+++ b/Marlin/src/HAL/DUE/spi_pins.h
@@ -0,0 +1,64 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Define SPI Pins: SCK, MISO, MOSI, SS
+ *
+ * Available chip select pins for HW SPI are 4 10 52 77
+ */
+#if SDSS == 4 || SDSS == 10 || SDSS == 52 || SDSS == 77 || SDSS == 87
+  #if SDSS == 4
+    #define SPI_PIN         87
+    #define SPI_CHAN         1
+  #elif SDSS == 10
+    #define SPI_PIN         77
+    #define SPI_CHAN         0
+  #elif SDSS == 52
+    #define SPI_PIN         86
+    #define SPI_CHAN         2
+  #elif SDSS == 77
+    #define SPI_PIN         77
+    #define SPI_CHAN         0
+  #else
+    #define SPI_PIN         87
+    #define SPI_CHAN         1
+  #endif
+  #define SD_SCK_PIN        76
+  #define SD_MISO_PIN       74
+  #define SD_MOSI_PIN       75
+#else
+  // defaults
+  #define DUE_SOFTWARE_SPI
+  #ifndef SD_SCK_PIN
+    #define SD_SCK_PIN      52
+  #endif
+  #ifndef SD_MISO_PIN
+    #define SD_MISO_PIN     50
+  #endif
+  #ifndef SD_MOSI_PIN
+    #define SD_MOSI_PIN     51
+  #endif
+#endif
+
+/* A.28, A.29, B.21, C.26, C.29 */
+#define SD_SS_PIN         SDSS