coldfire: Use single app.lds script for all coldfires.

The only true difference in this platform is the amount of iram
between MCF5249 and MCF5250. Instead of duplicating the file
simply use one with proper ifdefs.

Change-Id: Ifd56ebd2666813633502e3b5d83669424659c039
Reviewed-on: http://gerrit.rockbox.org/713
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/firmware/target/coldfire/app.lds b/firmware/target/coldfire/app.lds
new file mode 100644
index 0000000000..5364157fdd
--- /dev/null
+++ b/firmware/target/coldfire/app.lds
@@ -0,0 +1,143 @@
+#include "config.h"
+
+ENTRY(start)
+
+OUTPUT_FORMAT(elf32-m68k)
+STARTUP(target/coldfire/crt0.o)
+
+#define PLUGINSIZE PLUGIN_BUFFER_SIZE
+#define CODECSIZE CODEC_SIZE
+
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - CODECSIZE
+
+#define DRAMORIG 0x31000000
+#define IRAMORIG 0x10000000
+#if CONFIG_CPU == MCF5250
+#define IRAMSIZE 0xc800
+#else
+#define IRAMSIZE 0xc000
+#endif
+
+/* End of the audio buffer, where the codec buffer starts */
+#define ENDAUDIOADDR  (DRAMORIG + DRAMSIZE)
+
+/* Where the codec buffer ends, and the plugin buffer starts */
+#define ENDADDR (ENDAUDIOADDR + CODECSIZE)
+
+MEMORY
+{
+    DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
+    IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
+}
+
+SECTIONS
+{
+    .vectors :
+    {
+        loadaddress = .;
+        _loadaddress = .;
+        KEEP(*(.resetvectors));
+        *(.resetvectors);
+        KEEP(*(.vectors));
+        *(.vectors);
+    } > DRAM
+
+    .text :
+    {
+        . = ALIGN(0x200);
+        *(.init.text)
+        *(.text*)
+        . = ALIGN(0x4);
+    } > DRAM
+
+    .rodata :
+    {
+        *(.rodata)  /* problems without this, dunno why */
+        *(.rodata*)
+        *(.rodata.str1.1)
+        *(.rodata.str1.4)
+        . = ALIGN(0x4);
+
+        /* Pseudo-allocate the copies of the data sections */
+        _datacopy = .;
+    } > DRAM
+
+    /* TRICK ALERT! For RAM execution, we put the .data section at the
+       same load address as the copy. Thus, we don't waste extra RAM
+       when we don't actually need the copy.  */
+    .data : AT ( _datacopy )
+    {
+        _datastart = .;
+        *(.data*)
+        . = ALIGN(0x4);
+        _dataend  = .;
+    } > DRAM
+
+    /DISCARD/ :
+    {
+        *(.eh_frame)
+    }
+
+    .iram IRAMORIG :
+    {
+        _iramstart = .;
+        *(.icode)
+        *(.irodata)
+        *(.idata)
+        _iramend = .;
+    } > IRAM AT> DRAM
+
+    _iramcopy = LOADADDR(.iram);
+    _noloaddram = LOADADDR(.iram);
+
+    .ibss (NOLOAD) :
+    {
+        _iedata = .;
+        *(.ibss)
+        . = ALIGN(0x4);
+        _iend = .;
+    } > IRAM
+
+    .stack (NOLOAD) :
+    {
+       *(.stack)
+       stackbegin = .;
+       . += 0x2000;
+       stackend = .;
+    } > IRAM
+
+    .bss _noloaddram (NOLOAD):
+    {
+       _edata = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(0x4);
+       _end = .;
+    } > DRAM
+
+    .audiobuf (NOLOAD) :
+    {
+        . = ALIGN(4);
+        _audiobuffer = .;
+        audiobuffer = .;
+    } > DRAM
+
+    .audiobufend ENDAUDIOADDR (NOLOAD) :
+    {
+        audiobufend = .;
+        _audiobufend = .;
+    } > DRAM
+
+    .codec ENDAUDIOADDR (NOLOAD) :
+    {
+        codecbuf = .;
+        _codecbuf = .;
+    }
+
+    .plugin ENDADDR (NOLOAD) :
+    {
+        _pluginbuf = .;
+        pluginbuf = .;
+    }
+}
+