1 files changed, 81 insertions, 0 deletions

diff --git a/firmware/target/arm/at91sam/boot.lds b/firmware/target/arm/at91sam/boot.lds
new file mode 100644
index 0000000000..c638511e47
--- /dev/null
+++ b/firmware/target/arm/at91sam/boot.lds
@@ -0,0 +1,81 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(reset_handler)
+STARTUP(target/arm/at91sam/lyre_proto1/crt0.o)
+
+#define DRAMSIZE    (MEMORYSIZE * 0x100000)
+#define DRAMORIG    0x20000000
+#define IRAM0ORIG   0x200000
+#define IRAM0SIZE   4K
+#define IRAM1ORIG   0x300000
+#define IRAM1SIZE   4K
+#define STACKSIZE   2k
+
+MEMORY
+{
+    DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
+    IRAM0 : ORIGIN = IRAM0ORIG, LENGTH = IRAM0SIZE
+}
+
+SECTIONS
+{
+    /* We will put Rockbox bootloader at the last 1MByte of the  SDRAM. */
+
+    /* Example of a section:
+    * .section VMA(Virtual Memory Address) : LMA(Load Memory Address).
+    * VMA and LMA addresses can be verified by doing:
+    * "arm-elf-objdump -h bootloader.elf". */
+
+    .vectors 0 : AT (DRAMORIG + DRAMSIZE - 1M)
+    {
+        _start_vectors_section = .;
+        *(.vectors)
+        *(.glue_7)
+        *(.glue_7t)
+        . = ALIGN(4);
+        _end_vectors_section = .;
+    }
+
+    .text (DRAMORIG + DRAMSIZE -1M + SIZEOF(.vectors)) : \
+    AT (DRAMORIG + DRAMSIZE -1M + SIZEOF(.vectors))
+    {
+        *(.text)
+        *(.text*)
+        *(.icode)
+        *(.icode*)
+        *(.rodata)
+        *(.rodata*)
+        . = ALIGN(4);
+    }
+
+    /* Initialized variables are placed on SDRAM, right after .vectors section. */
+    /* Data section: VMA is the same as the LMA, right after the end of .vector */
+    .data . :
+    {
+        *(.data)
+        *(.data*)
+        . = ALIGN(4);
+        _end_data_section = .;
+    }
+
+    /* Uninitialized variables are placed at SDRAM, right after .text section. */
+    .bss (NOLOAD) :
+    
+    { 
+        _start_bss_section = .;
+        *(.bss) /* Bss section contains all uninitialized data generated by the compiler. */
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(4);
+        _end_bss_section = .;
+    }
+
+    /* Stack is placed at SDRAM, right after .bss section. */
+    .stack . :
+    {
+       *(.stack)
+       stackbegin = .;
+       . += STACKSIZE;
+       stackend = .;
+    }
+}