From 5ed0f67e1cbce113e1f0d53f64708cd840ab7172 Mon Sep 17 00:00:00 2001
From: sago35 <sago35@gmail.com>
Date: Fri, 8 May 2020 06:04:10 +0900
Subject: [PATCH] sam: fix ROM / RAM size on atsamd51j20

---
 targets/atsamd51j20a.json |  2 +-
 targets/atsamd51j20a.ld   | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 targets/atsamd51j20a.ld

diff --git a/targets/atsamd51j20a.json b/targets/atsamd51j20a.json
index cab3a624..cd8b431c 100644
--- a/targets/atsamd51j20a.json
+++ b/targets/atsamd51j20a.json
@@ -6,7 +6,7 @@
 		"--target=armv7em-none-eabi",
 		"-Qunused-arguments"
 	],
-	"linkerscript": "targets/atsamd51.ld",
+	"linkerscript": "targets/atsamd51j20a.ld",
 	"extra-files": [
 		"src/device/sam/atsamd51j20a.s"
 	]
diff --git a/targets/atsamd51j20a.ld b/targets/atsamd51j20a.ld
new file mode 100644
index 00000000..5b8ce971
--- /dev/null
+++ b/targets/atsamd51j20a.ld
@@ -0,0 +1,10 @@
+
+MEMORY
+{
+    FLASH_TEXT (rw) : ORIGIN = 0x00000000+0x4000, LENGTH = 0x00100000-0x4000  /* First 16KB used by bootloader */
+    RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 0x00040000
+}
+
+_stack_size = 4K;
+
+INCLUDE "targets/arm.ld"