Commit 3d6e9b76 authored by Greg Ungerer's avatar Greg Ungerer Committed by Ben Collins

[PATCH] remove crt0_fixed.S from m68knommu DragonEngine2 target

Remove crt0_fixed.S from m68knommu DragonEngine2 setup.
No longer required.
parent bc6d4520
No related merge requests found
#include <linux/config.h>
.global _start
.global _stext
.global _rambase
.global _ramvec
.global _ramstart
.global _ramend
#ifdef CONFIG_INIT_LCD
.global splash_bits
#endif
.data
/*
* Set up the usable of RAM stuff. Size of RAM is determined then
* an initial stack set up at the end.
*/
.align 4
_ramvec:
.long 0
_rambase:
.long 0
_ramstart:
.long 0
_ramend:
.long 0
#ifdef CONFIG_INIT_LCD
splash_bits:
#include "bootlogo.rh"
#endif
.text
_start:
_stext:
movew #0x2700,%sr
moveal #__ramend-CONFIG_MEMORY_RESERVE*0x100000 - 0x10, %sp
movel #0xffffffff, 0xfffff304 /* disable all interrupts */
#ifdef CONFIG_RAMKERNEL
/* Copy me from ROM to RAM */
moveal #__rom_start, %a0
moveal #__ram_start, %a1
moveal #__data_end, %a2
/* Copy %a0 to %a1 until %a1 == %a2 */
2: cmpal %a1, %a2
beq 1f
movel %a0@+, %a1@+
bra 2b
1:
/* jump into the RAM copy */
jmp ram_jump
ram_jump:
#endif
#ifdef CONFIG_INIT_LCD
movel #splash_bits, 0xfffffA00 /* LSSA */
moveb #0x28, 0xfffffA05 /* LVPW */
movew #0x280, 0xFFFFFa08 /* LXMAX */
movew #0x1df, 0xFFFFFa0a /* LYMAX */
moveb #0, 0xfffffa29 /* LBAR */
moveb #0, 0xfffffa25 /* LPXCD */
moveb #0x08, 0xFFFFFa20 /* LPICF */
moveb #0x01, 0xFFFFFA21 /* -ve pol */
moveb #0x81, 0xfffffA27 /* LCKCON */
movew #0xff00, 0xfffff412 /* LCD pins */
#endif
moveq #13, %d7 /* '\r' */
jsr putc
moveq #10, %d7 /* '\n' */
jsr putc
moveq #65, %d7 /* 'A' */
jsr putc
movew #32767, %d0 /* PLL settle wait loop */
1: subq #1, %d0
bne 1b
moveq #66, %d7 /* 'B' */
jsr putc
#ifndef CONFIG_RAMKERNEL
/* Copy data segment from ROM to RAM */
moveal #_etext, %a0
moveal #_sdata, %a1
moveal #_edata, %a2
/* Copy %a0 to %a1 until %a1 == %a2 */
2: cmpal %a1, %a2
beq 1f
movel %a0@+, %a1@+
bra 2b
1:
#endif
moveq #67, %d7 /* 'C' */
jsr putc
/* Initialize BSS segment to 0 */
moveal #_sbss, %a0
moveal #_ebss, %a1
/* Copy 0 to %a0 until %a0 == %a1 */
2: cmpal %a0, %a1
beq 1f
clrl %a0@+
bra 2b
1:
moveq #68, %d7 /* 'D' */
jsr putc
movel #_sdata, %d0
movel %d0, _rambase
movel #_ebss, %d0
movel %d0, _ramstart
movel #__ramend-CONFIG_MEMORY_RESERVE*0x100000, %d0
movel %d0, _ramend
movel #__ramvec, %d0
movel %d0, _ramvec
moveq #69, %d7 /* 'E' */
jsr putc
/*
* load the current task pointer and stack
*/
lea init_thread_union, %a0
lea 0x2000(%a0), %sp
moveq #70, %d7 /* 'F' */
jsr putc
moveq #13, %d7 /* '\r' */
jsr putc
moveq #10, %d7 /* '\n' */
jsr putc
1: jsr start_kernel
bra 1b
_exit:
bra _exit
putc:
moveb %d7,0xfffff907
1:
movew 0xfffff906, %d7
andw #0x2000, %d7
beq 1b
rts
.data
env:
.long 0
.text
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