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M:Robe 500: Remove some dead test code in bootloader, reorganize the bootloader link script, and remove an unnecessary lcd disable/enable in initialization.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20674 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-04-10 04:48:44 +00:00
parent a50e17a6ba
commit b2c4bd3a53
5 changed files with 81 additions and 192 deletions

View file

@ -6,24 +6,42 @@ OUTPUT_FORMAT(elf32-littlearm)
OUTPUT_ARCH(arm)
STARTUP(target/arm/tms320dm320/crt0.o)
#define LCD_BUFFER_SIZE (LCD_WIDTH*LCD_HEIGHT*2)
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#ifndef LCD_NATIVE_WIDTH
#define LCD_NATIVE_WIDTH LCD_WIDTH
#endif
#ifndef LCD_NATIVE_HEIGHT
#define LCD_NATIVE_HEIGHT LCD_HEIGHT
#endif
#define LCD_FUDGE LCD_NATIVE_WIDTH%32
#define LCD_BUFFER_SIZE ((LCD_NATIVE_WIDTH+LCD_FUDGE)*LCD_NATIVE_HEIGHT*2)
/* must be 16Kb (0x4000) aligned */
#define TTB_SIZE (0x4000)
#define DRAMSIZE (MEMORYSIZE * 0x100000) - TTB_SIZE - LCD_BUFFER_SIZE
/* Give this 1 meg to allow it to align to the MMU boundary */
#define LCD_TTB_AREA 0x100000
#define DRAMORIG 0x01900000 /* actually it's 0x00900000 */
#define IRAMORIG 0x00000000
#define IRAMSIZE 16K
#define FLASHORIG 0x00100000
#define FLASHSIZE 8M
#define BOOT_OFFSET 0x1000000
/* Now we have the LCD buffer */
#define LCDBEGIN (DRAMSIZE+0x00900000)
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - BOOT_OFFSET
/* Finally the TTB table */
#define TTBBEGIN (LCDBEGIN + LCD_BUFFER_SIZE)
#define DRAMORIG (0x00900000+BOOT_OFFSET) /* actually it's 0x00900000 */
#define IRAMORIG 0x00000000
#define IRAMSIZE 0x4000
#define FLASHORIG 0x00100000
#define FLASHSIZE 8M
/* End of the audio buffer, where the codec buffer starts */
#define TTB_BEGIN (DRAMORIG + DRAMSIZE - LCD_TTB_AREA)
MEMORY
{
@ -40,7 +58,6 @@ SECTIONS
loadaddress = .;
_loadaddress = .;
*(.init.text)
*(.icode)
*(.text*)
*(.glue_7)
*(.glue_7t)
@ -53,7 +70,6 @@ SECTIONS
*(.rodata*)
*(.rodata.str1.1)
*(.rodata.str1.4)
*(.irodata)
. = ALIGN(0x4);
/* Pseudo-allocate the copies of the data sections */
@ -61,31 +77,11 @@ SECTIONS
} > DRAM
.data : {
*(.idata)
*(.data*)
. = ALIGN(0x4);
_dataend = . ;
} > DRAM
.stack :
{
*(.stack)
_stackbegin = .;
stackbegin = .;
. += 0x2000;
_stackend = .;
stackend = .;
} > DRAM
.bss :
{
_edata = .;
*(.bss*);
*(.ibss);
*(COMMON)
_end = .;
} > DRAM
.vectors IRAMORIG :
{
_vectorsstart = .;
@ -94,16 +90,57 @@ SECTIONS
KEEP(*(.vectors));
*(.vectors);
_vectorsend = .;
} AT > DRAM
} > IRAM AT > DRAM
_vectorscopy = LOADADDR(.vectors);
.lcdbuffer LCDBEGIN (NOLOAD) :
.iram :
{
_iramstart = .;
*(.icode)
*(.irodata*)
*(.idata)
. = ALIGN(0x4);
_iramend = .;
} > IRAM AT> DRAM
_iramcopy = LOADADDR(.iram);
.ibss (NOLOAD) :
{
_iedata = .;
*(.ibss)
. = ALIGN(0x4);
_iend = .;
} > IRAM
.stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
. += 0x2000;
stackend = .;
} > IRAM
.bss (NOLOAD) :
{
. = ADDR(.data) + SIZEOF(.data) + SIZEOF(.vectors) + SIZEOF(.iram);
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
_end = .;
} > DRAM
.ttbtable TTB_BEGIN (NOLOAD) :
{
. = ALIGN (0x4000);
_ttbstart = .;
. += TTB_SIZE;
} > DRAM
.lcdbuffer (NOLOAD) :
{
_lcdbuf = .;
}
.ttbtable TTBBEGIN (NOLOAD) :
{
_ttbstart = .;
}
. += LCD_BUFFER_SIZE;
} > DRAM
}