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DM320: Update boot linker script (right now it is linked against flash). Include board initialization for M:Robe 500.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29225 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2011-02-06 20:17:15 +00:00
parent 9241210050
commit 9a8ff746f2
3 changed files with 417 additions and 76 deletions
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179
firmware/target/arm/tms320dm320/boot.lds
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@ -1,6 +1,6 @@
#include "config.h"
ENTRY(start)
ENTRY(_vectors)
OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
@ -27,15 +27,19 @@ STARTUP(target/arm/tms320dm320/crt0.o)
*/
#define LCD_TTB_AREA 0x100000*((LCD_BUFFER_SIZE>>19)+1)
#define BOOT_OFFSET 0x1000000
/* Bootloader only uses/knows about the upper 32 M */
#define DRAMORIG 0x02900000
#define DRAMSIZE (MEMORYSIZE * 0x80000)
#define DRAMSIZE (MEMORYSIZE * 0x100000) - BOOT_OFFSET
#define DRAMORIG (0x00900000+BOOT_OFFSET) /* actually it's 0x00900000 */
#define IRAMORIG 0x00000000
#define IRAMSIZE 0x4000
#define FLASHORIG 0x00100000
#define FLASHSIZE 8M
#define FLASHSIZE 0x00800000
PRO_STACK_SIZE = 0x2000;
IRQ_STACK_SIZE = 0x400;
FIQ_STACK_SIZE = 0x400;
/* End of the audio buffer, where the codec buffer starts */
#define TTB_BEGIN (DRAMORIG + DRAMSIZE - LCD_TTB_AREA)
@ -49,98 +53,121 @@ MEMORY
SECTIONS
{
. = DRAMORIG;
/* Set up variables needed for memory initialization */
_sdram_start = DRAMORIG;
_sdram_sizem = (DRAMSIZE / 0x100000);
.text : {
loadaddress = .;
_loadaddress = .;
*(.init.text)
*(.text*)
*(.glue_7)
*(.glue_7t)
. = ALIGN(0x4);
} > DRAM
_flash_start = FLASHORIG;
_flash_sizem = (FLASHSIZE / 0x100000);
.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
.data : {
*(.data*)
. = ALIGN(0x4);
_dataend = . ;
} > DRAM
.vectors IRAMORIG :
.vectors :
{
_vectorsstart = .;
KEEP(*(.resetvectors));
*(.resetvectors);
KEEP(*(.vectors));
*(.vectors);
KEEP(*(.vectors))
_vectorsend = .;
} > IRAM AT > DRAM
} > IRAM AT> FLASH
_vectorscopy = LOADADDR(.vectors);
/* crt0.S initialization */
.init :
{
. = ALIGN(0x4);
_loadaddress = .;
*(.init)
} > FLASH
/* Program code */
.text :
{
. = ALIGN(0x4);
*(.text*)
} > FLASH
/* Thumb interworking sections - for some reason LD dies even if these
* sections are empty.
*/
.glue :
{
. = ALIGN(0x4);
*(.glue_7) /* ARM calling Thumb */
*(.glue_7t) /* Thumb calling ARM */
} > FLASH
/* Read-only data */
.rodata :
{
. = ALIGN(0x4);
*(.rodata*)
} > FLASH
/* Dynamic data - this needs to be copied out of flash before it is used. */
.data :
{
. = ALIGN(0x4);
_dramstart = .;
*(.data*)
_dramend = .;
} > DRAM AT> FLASH
_dramcopy = LOADADDR(.data);
.bss (NOLOAD) :
{
. = ALIGN(0x4);
_bss_start = .;
*(.bss*)
*(COMMON)
_bss_end = .;
} > DRAM
.iram :
{
. = ALIGN(0x4);
_iramstart = .;
*(.icode)
*(.irodata*)
*(.irodata)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > IRAM AT> DRAM
} > IRAM AT> FLASH
_iramcopy = LOADADDR(.iram);
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
_ibss_start = .;
*(.ibss)
_ibss_end = .;
} > IRAM
.stack (NOLOAD) :
/* Program stack space */
.pro_stack (NOLOAD):
{
*(.stack)
stackbegin = .;
. += 0x2000;
stackend = .;
} > IRAM
.irqstack (NOLOAD) :
{
*(.stack)
. += 0x400;
irq_stack = .;
} > IRAM
.fiqstack (NOLOAD) :
{
*(.stack)
. += 0x100;
fiq_stack = .;
} > IRAM
.bss (NOLOAD) :
{
. = ADDR(.data) + SIZEOF(.data) + SIZEOF(.vectors) + SIZEOF(.iram);
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
*(.stack)
stackbegin = .; /* Variable for thread.c */
_pro_stack_end = .;
. += PRO_STACK_SIZE;
_pro_stack_start = .;
stackend = .; /* Variable for tread.c */
} > IRAM
/* IRQ stack space */
.irq_stack (NOLOAD):
{
. = ALIGN(0x4);
_irq_stack_end = .;
. += IRQ_STACK_SIZE;
_irq_stack_start = .;
} > IRAM
/* FIQ stack space */
.fiq_stack (NOLOAD):
{
. = ALIGN(0x4);
_fiq_stack_end = .;
. += FIQ_STACK_SIZE;
_fiq_stack_start = .;
} > IRAM
.ttbtable TTB_BEGIN (NOLOAD) :
{