micropython · rolandvs · Jul 20, 2019 · Jul 20, 2019 · Aug 13, 2019 · Aug 16, 2019
diff --git a/ports/samd/Makefile b/ports/samd/Makefile
@@ -10,7 +10,7 @@ $(error Invalid BOARD specified: $(BOARD_DIR))
 endif
 
 include ../../py/mkenv.mk
-include $(BOARD_DIR)/board.mk
+include $(BOARD_DIR)/mpconfigboard.mk
 
 # Qstr definitions (must come before including py.mk)
 QSTR_DEFS = qstrdefsport.h

diff --git a/...ds/ADAFRUIT_ITSYBITSY_M4_EXPRESS/board.mk → ...UIT_ITSYBITSY_M4_EXPRESS/mpconfigboard.mk b/...ds/ADAFRUIT_ITSYBITSY_M4_EXPRESS/board.mk → ...UIT_ITSYBITSY_M4_EXPRESS/mpconfigboard.mk
diff --git a/.../samd/boards/ADAFRUIT_TRINKET_M0/board.mk → ...ards/ADAFRUIT_TRINKET_M0/mpconfigboard.mk b/.../samd/boards/ADAFRUIT_TRINKET_M0/board.mk → ...ards/ADAFRUIT_TRINKET_M0/mpconfigboard.mk
diff --git a/ports/samd/boards/XPLAINED_SAMD21J18A/link.ld b/ports/samd/boards/XPLAINED_SAMD21J18A/link.ld
@@ -0,0 +1,17 @@
+/*
+    GNU linker script for SAMD21J18A (256kByte, 32kByte SRAM, 64-Pins, default device)
+*/
+
+/* Specify the memory areas */
+MEMORY
+{
+    FLASH (rx)  : ORIGIN = 0x00002000, LENGTH = 256K - 8K
+    RAM (xrw)   : ORIGIN = 0x20000000, LENGTH = 32K
+}
+
+/* Top end of the stack, with room for double-tap variable */
+_estack = ORIGIN(RAM) + LENGTH(RAM) - 8;
+_sstack = _estack - 8K;
+
+_sheap = _ebss;
+_eheap = _sstack;
diff --git a/ports/samd/boards/XPLAINED_SAMD21J18A/mpconfigboard.h b/ports/samd/boards/XPLAINED_SAMD21J18A/mpconfigboard.h
@@ -0,0 +1,2 @@
+#define MICROPY_HW_BOARD_NAME "SAMD21-XPLAINED-PRO"
+#define MICROPY_HW_MCU_NAME   "SAMD21J18A"
diff --git a/ports/samd/boards/XPLAINED_SAMD21J18A/mpconfigboard.mk b/ports/samd/boards/XPLAINED_SAMD21J18A/mpconfigboard.mk
@@ -0,0 +1,4 @@
+MCU_SERIES = SAMD21
+CMSIS_MCU = SAMD21J18A
+LD_FILES = $(BOARD_DIR)/link.ld sections.ld
+TEXT0 = 0x2000