From 515f1318f5005cd8c948ad246609f4b683463f5f Mon Sep 17 00:00:00 2001
From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Tue, 1 Feb 2022 04:41:05 +0100
Subject: [PATCH] Add support for both LPC822 and LPC824 with different memory
 sizes

---
 Makefile           |  2 +-
 lpc_link_lpc822.ld | 59 ++++++++++++++++++++++++++++++++++++++++++++++
 lpc_link_lpc824.ld | 59 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+), 1 deletion(-)
 create mode 100644 lpc_link_lpc822.ld
 create mode 100644 lpc_link_lpc824.ld

diff --git a/Makefile b/Makefile
index bf83415..4845b12 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 
 TARGET_DIR = apps/$(MODULE)/$(NAME)
 
-LPC = lpc82x
+LPC ?= lpc824
 CPU = cortex-m0
 ARCH = armv6-m
 
diff --git a/lpc_link_lpc822.ld b/lpc_link_lpc822.ld
new file mode 100644
index 0000000..794ab69
--- /dev/null
+++ b/lpc_link_lpc822.ld
@@ -0,0 +1,59 @@
+/*
+ * C linker script file for LPC822
+ */
+
+MEMORY
+{
+	sram (rwx) : ORIGIN = 0x10000000, LENGTH = 4k
+	flash (rx) : ORIGIN = 0x00000000, LENGTH = 16k
+}
+
+_sram_size = LENGTH(sram);
+_sram_base = ORIGIN(sram);
+_end_stack = (_sram_base + _sram_size);
+
+ENTRY(Reset_Handler)
+
+SECTIONS {
+	. = ORIGIN(flash);
+
+	.text :
+	{
+		FILL(0xFF);
+		KEEP(*(.vectors))
+		*(.text.Reset_Handler .text.SystemInit)
+		. = 0x000002FC;
+		KEEP(*(.crp))
+		. = 0x00000300;
+		*(.text*)
+		*(.rodata*)
+		*(.got*)
+		. = ALIGN(4);
+		_end_text = .;
+	} >flash
+
+	. = ALIGN(4);
+
+	.data :
+	{
+		_start_data = .;
+		*(.data*)
+		_end_data = .;
+	} >sram AT >flash
+
+	. = ALIGN(4);
+
+	.bss :
+	{
+		_start_bss = .;
+		*(.bss*)
+		*(COMMON)
+		_end_bss = .;
+	} >sram
+
+	. = ALIGN(4);
+
+}
+
+_end = .;
+PROVIDE(end = .);
diff --git a/lpc_link_lpc824.ld b/lpc_link_lpc824.ld
new file mode 100644
index 0000000..7daa67c
--- /dev/null
+++ b/lpc_link_lpc824.ld
@@ -0,0 +1,59 @@
+/*
+ * C linker script file for LPC824
+ */
+
+MEMORY
+{
+	sram (rwx) : ORIGIN = 0x10000000, LENGTH = 8k
+	flash (rx) : ORIGIN = 0x00000000, LENGTH = 32k
+}
+
+_sram_size = LENGTH(sram);
+_sram_base = ORIGIN(sram);
+_end_stack = (_sram_base + _sram_size);
+
+ENTRY(Reset_Handler)
+
+SECTIONS {
+	. = ORIGIN(flash);
+
+	.text :
+	{
+		FILL(0xFF);
+		KEEP(*(.vectors))
+		*(.text.Reset_Handler .text.SystemInit)
+		. = 0x000002FC;
+		KEEP(*(.crp))
+		. = 0x00000300;
+		*(.text*)
+		*(.rodata*)
+		*(.got*)
+		. = ALIGN(4);
+		_end_text = .;
+	} >flash
+
+	. = ALIGN(4);
+
+	.data :
+	{
+		_start_data = .;
+		*(.data*)
+		_end_data = .;
+	} >sram AT >flash
+
+	. = ALIGN(4);
+
+	.bss :
+	{
+		_start_bss = .;
+		*(.bss*)
+		*(COMMON)
+		_end_bss = .;
+	} >sram
+
+	. = ALIGN(4);
+
+}
+
+_end = .;
+PROVIDE(end = .);
-- 
2.43.0