OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] m68knommu: use Kconfig RAM config options in 68360 ROM startup code 

Switch to using the new RAM Kconfig settings, instead of linker defined
regions in ROM specific 68360 startup code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Greg Ungerer 2006-06-27 13:27:13 +10:00 committed by Linus Torvalds
parent d046f6118b
commit f5c7726ffc
1 changed files with 6 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/m68knommu/platform/68360/head-rom.S
View File

@ -18,7 +18,6 @@
.global _start
.global _rambase
.global __ramvec
.global _ramvec
.global _ramstart
.global _ramend
@ -26,6 +25,8 @@
.global _quicc_base
.global _periph_base
#define RAMEND (CONFIG_RAMBASE + CONFIG_RAMSIZE)
#define REGB 0x1000
#define PEPAR (_dprbase + REGB + 0x0016)
#define GMR (_dprbase + REGB + 0x0040)
@ -115,7 +116,7 @@ _stext:
nop
ori.w #MCU_DISABLE_INTRPTS, %sr /* disable interrupts: */
/* We should not need to setup the boot stack the reset should do it. */
movea.l #__ramend, %sp /* set up stack at the end of DRAM:*/
movea.l #RAMEND, %sp /* set up stack at the end of DRAM:*/
set_mbar_register:
@ -245,16 +246,10 @@ store_ram_size:
/* Set ram size information */
move.l #_sdata, _rambase
move.l #_ebss, _ramstart
move.l #__ramend, %d0
move.l #RAMEND, %d0
sub.l #0x1000, %d0 /* Reserve 4K for stack space.*/
move.l %d0, _ramend /* Different from __ramend.*/
move.l %d0, _ramend /* Different from RAMEND.*/
store_flash_size:
/* Set rom size information */
move.l #__rom_end, %d0
sub.l #__rom_start, %d0
move.l %d0, rom_length
pea 0
pea env
pea %sp@(4)
@ -298,7 +293,7 @@ _dprbase:
*/
.section ".data.initvect","awx"
.long __ramend /* Reset: Initial Stack Pointer - 0. */
.long RAMEND /* Reset: Initial Stack Pointer - 0. */
.long _start /* Reset: Initial Program Counter - 1. */
.long buserr /* Bus Error - 2. */
.long trap /* Address Error - 3. */