Blame - arch/m68k/cpu/mcf52x2/start.S - filogic/uboot

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wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	1	/*
				2	* Copyright (C) 2003 Josef Baumgartner <josef.baumgartner@telex.de>
				3	* Based on code from Bernhard Kuhn <bkuhn@metrowerks.com>
				4	*
Wolfgang Denk	d79de1d	2013-07-08 09:37:19 +0200	[diff] [blame]	5	* SPDX-License-Identifier: GPL-2.0+
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	6	*/
				7
Wolfgang Denk	0191e47	2010-10-26 14:34:52 +0200	[diff] [blame]	8	#include <asm-offsets.h>
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	9	#include <config.h>
				10	#include "version.h"
TsiChung Liew	0ee47d4	2010-03-11 22:12:53 -0600	[diff] [blame]	11	#include <asm/cache.h>
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	12
				13	#ifndef CONFIG_IDENT_STRING
				14	#define CONFIG_IDENT_STRING ""
				15	#endif
				16
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	17	#define _START _start
				18	#define _FAULT _fault
				19
				20
				21	#define SAVE_ALL \
				22	move.w #0x2700,%sr; /* disable intrs */ \
				23	subl #60,%sp; /* space for 15 regs */ \
				24	moveml %d0-%d7/%a0-%a6,%sp@; \
				25
				26	#define RESTORE_ALL \
				27	moveml %sp@,%d0-%d7/%a0-%a6; \
				28	addl #60,%sp; /* space for 15 regs */ \
				29	rte
				30
				31	/* If we come from a pre-loader we don't need an initial exception
				32	* table.
				33	*/
				34	#if !defined(CONFIG_MONITOR_IS_IN_RAM)
				35
				36	.text
				37	/*
				38	* Vector table. This is used for initial platform startup.
				39	* These vectors are to catch any un-intended traps.
				40	*/
				41	_vectors:
				42
Wolfgang Denk	b4b1c46	2006-06-10 19:27:47 +0200	[diff] [blame]	43	.long 0x00000000 /* Flash offset is 0 until we setup CS0 */
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	44	#if defined(CONFIG_M5282) && (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
				45	.long _start - CONFIG_SYS_TEXT_BASE
Zachary P. Landau	0bba862	2006-01-26 17:35:56 -0500	[diff] [blame]	46	#else
Wolfgang Denk	b4b1c46	2006-06-10 19:27:47 +0200	[diff] [blame]	47	.long _START
Zachary P. Landau	0bba862	2006-01-26 17:35:56 -0500	[diff] [blame]	48	#endif
Wolfgang Denk	b4b1c46	2006-06-10 19:27:47 +0200	[diff] [blame]	49
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	50	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				51	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				52	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				53	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				54	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				55	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				56	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				57	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				58
				59	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				60	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				61	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				62	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				63	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				64	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				65	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				66	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				67
				68	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				69	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				70	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				71	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				72	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				73	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				74	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				75	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				76
				77	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				78	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				79	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				80	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				81	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				82	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				83	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				84	.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
				85
				86	#endif
				87
				88	.text
				89
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	90
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	91	#if defined(CONFIG_SYS_INT_FLASH_BASE) && \
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	92	(defined(CONFIG_M5282) \|\| defined(CONFIG_M5281))
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	93	#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	94	.long 0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */
				95	.long 0xFFFFFFFF /* all sectors protected */
				96	.long 0x00000000 /* supervisor/User restriction */
				97	.long 0x00000000 /* programm/data space restriction */
				98	.long 0x00000000 /* Flash security */
				99	#endif
				100	#endif
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	101	.globl _start
				102	_start:
				103	nop
				104	nop
				105	move.w #0x2700,%sr
				106
TsiChung Liew	b354aef	2009-06-12 11:29:00 +0000	[diff] [blame]	107	#if defined(CONFIG_M5208)
				108	/* Initialize RAMBAR: locate SRAM and validate it */
				109	move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
				110	movec %d0, %RAMBAR1
				111	#endif
				112
TsiChungLiew	3467469	2007-08-16 13:20:50 -0500	[diff] [blame]	113	#if defined(CONFIG_M5272) \|\| defined(CONFIG_M5249) \|\| defined(CONFIG_M5253)
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	114	move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set MBAR address + valid flag */
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	115	move.c %d0, %MBAR
				116
stroese	53395a2	2004-12-16 18:09:49 +0000	[diff] [blame]	117	/* The 5249 has MBAR2 as well */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	118	#ifdef CONFIG_SYS_MBAR2
				119	move.l #(CONFIG_SYS_MBAR2 + 1), %d0 /* Get MBAR2 address */
stroese	53395a2	2004-12-16 18:09:49 +0000	[diff] [blame]	120	movec %d0, #0xc0e /* Set MBAR2 */
				121	#endif
				122
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	123	move.l #(CONFIG_SYS_INIT_RAM_ADDR + 1), %d0
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	124	movec %d0, %RAMBAR0
TsiChungLiew	3467469	2007-08-16 13:20:50 -0500	[diff] [blame]	125	#endif /* CONFIG_M5272 \|\| CONFIG_M5249 \|\| CONFIG_M5253 */
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	126
Wolfgang Denk	b4b1c46	2006-06-10 19:27:47 +0200	[diff] [blame]	127	#if defined(CONFIG_M5282) \|\| defined(CONFIG_M5271)
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	128	/* Initialize IPSBAR */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	129	move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	130	move.l %d0, 0x40000000
				131
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	132	/* Initialize RAMBAR1: locate SRAM and validate it */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	133	move.l #(CONFIG_SYS_INIT_RAM_ADDR + 0x21), %d0
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	134	movec %d0, %RAMBAR1
				135
Bartlomiej Sieka	8ff81c6	2006-12-20 00:27:32 +0100	[diff] [blame]	136	#if defined(CONFIG_M5282)
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	137	#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	138	/* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */
				139
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	140	move.l #(_flashbar_setup-CONFIG_SYS_INT_FLASH_BASE), %a0
				141	move.l #(_flashbar_setup_end-CONFIG_SYS_INT_FLASH_BASE), %a1
				142	move.l #(CONFIG_SYS_INIT_RAM_ADDR), %a2
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	143	_copy_flash:
				144	move.l (%a0)+, (%a2)+
				145	cmp.l %a0, %a1
				146	bgt.s _copy_flash
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	147	jmp CONFIG_SYS_INIT_RAM_ADDR
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	148
				149	_flashbar_setup:
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	150	/* Initialize FLASHBAR: locate internal Flash and validate it */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	151	move.l #(CONFIG_SYS_INT_FLASH_BASE + CONFIG_SYS_INT_FLASH_ENABLE), %d0
TsiChung Liew	7e5ae27	2008-03-13 14:26:32 -0500	[diff] [blame]	152	movec %d0, %FLASHBAR
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	153	jmp _after_flashbar_copy.L /* Force jump to absolute address */
				154	_flashbar_setup_end:
				155	nop
				156	_after_flashbar_copy:
				157	#else
				158	/* Setup code to initialize FLASHBAR, if start from external Memory */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	159	move.l #(CONFIG_SYS_INT_FLASH_BASE + CONFIG_SYS_INT_FLASH_ENABLE), %d0
TsiChung Liew	fcd4aac	2008-08-11 15:54:25 +0000	[diff] [blame]	160	movec %d0, %FLASHBAR
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	161	#endif /* (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) */
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	162
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	163	#endif
Wolfgang Denk	5b1657d	2006-09-04 01:03:57 +0200	[diff] [blame]	164	#endif
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	165	/* if we come from a pre-loader we have no exception table and
				166	* therefore no VBR to set
				167	*/
				168	#if !defined(CONFIG_MONITOR_IS_IN_RAM)
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	169	#if defined(CONFIG_M5282) && (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	170	move.l #CONFIG_SYS_INT_FLASH_BASE, %d0
TsiChungLiew	5bffcad	2007-10-25 17:09:17 -0500	[diff] [blame]	171	#else
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	172	move.l #CONFIG_SYS_FLASH_BASE, %d0
TsiChungLiew	5bffcad	2007-10-25 17:09:17 -0500	[diff] [blame]	173	#endif
Heiko Schocher	ac1956e	2006-04-20 08:42:42 +0200	[diff] [blame]	174	movec %d0, %VBR
Marian Balakowicz	c20d87d	2006-05-09 11:51:51 +0200	[diff] [blame]	175	#endif
				176
Matthew Fettke	761e2e9	2008-02-04 15:38:20 -0600	[diff] [blame]	177	#ifdef CONFIG_M5275
				178	/* Initialize IPSBAR */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	179	move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */
Matthew Fettke	761e2e9	2008-02-04 15:38:20 -0600	[diff] [blame]	180	move.l %d0, 0x40000000
				181	/* movec %d0, %MBAR */
				182
				183	/* Initialize RAMBAR: locate SRAM and validate it */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	184	move.l #(CONFIG_SYS_INIT_RAM_ADDR + 0x21), %d0
Matthew Fettke	761e2e9	2008-02-04 15:38:20 -0600	[diff] [blame]	185	movec %d0, %RAMBAR1
				186	#endif
				187
TsiChung Liew	0ee47d4	2010-03-11 22:12:53 -0600	[diff] [blame]	188	/* initialize general use internal ram */
				189	move.l #0, %d0
				190	move.l #(ICACHE_STATUS), %a1 /* icache */
				191	move.l #(DCACHE_STATUS), %a2 /* icache */
				192	move.l %d0, (%a1)
				193	move.l %d0, (%a2)
				194
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	195	/* set stackpointer to end of internal ram to get some stackspace for the first c-code */
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	196	move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	197	clr.l %sp@-
				198
				199	move.l #__got_start, %a5 /* put relocation table address to a5 */
				200
				201	bsr cpu_init_f /* run low-level CPU init code (from flash) */
				202	bsr board_init_f /* run low-level board init code (from flash) */
				203
Marian Balakowicz	c20d87d	2006-05-09 11:51:51 +0200	[diff] [blame]	204	/* board_init_f() does not return */
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	205
				206	/------------------------------------------------------------------------------/
				207
				208	/*
				209	* void relocate_code (addr_sp, gd, addr_moni)
				210	*
				211	* This "function" does not return, instead it continues in RAM
				212	* after relocating the monitor code.
				213	*
				214	* r3 = dest
				215	* r4 = src
				216	* r5 = length in bytes
				217	* r6 = cachelinesize
				218	*/
				219	.globl relocate_code
				220	relocate_code:
				221	link.w %a6,#0
				222	move.l 8(%a6), %sp /* set new stack pointer */
				223
				224	move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
				225	move.l 16(%a6), %a0 /* Save copy of Destination Address */
				226
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	227	move.l #CONFIG_SYS_MONITOR_BASE, %a1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	228	move.l #__init_end, %a2
				229	move.l %a0, %a3
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	230	/* copy the code to RAM */
				231	1:
				232	move.l (%a1)+, (%a3)+
				233	cmp.l %a1,%a2
				234	bgt.s 1b
				235
				236	/*
				237	* We are done. Do not return, instead branch to second part of board
				238	* initialization, now running from RAM.
				239	*/
Wolfgang Denk	a1be476	2008-05-20 16:00:29 +0200	[diff] [blame]	240	move.l %a0, %a1
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	241	add.l #(in_ram - CONFIG_SYS_MONITOR_BASE), %a1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	242	jmp (%a1)
				243
				244	in_ram:
				245
				246	clear_bss:
Wolfgang Denk	a1be476	2008-05-20 16:00:29 +0200	[diff] [blame]	247	/*
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	248	* Now clear BSS segment
				249	*/
				250	move.l %a0, %a1
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	251	add.l #(_sbss - CONFIG_SYS_MONITOR_BASE),%a1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	252	move.l %a0, %d1
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	253	add.l #(_ebss - CONFIG_SYS_MONITOR_BASE),%d1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	254	6:
				255	clr.l (%a1)+
				256	cmp.l %a1,%d1
				257	bgt.s 6b
				258
				259	/*
				260	* fix got table in RAM
				261	*/
				262	move.l %a0, %a1
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	263	add.l #(__got_start - CONFIG_SYS_MONITOR_BASE),%a1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	264	move.l %a1,%a5 /* * fix got pointer register a5 */
				265
				266	move.l %a0, %a2
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	267	add.l #(__got_end - CONFIG_SYS_MONITOR_BASE),%a2
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	268
				269	7:
				270	move.l (%a1),%d1
				271	sub.l #_start,%d1
				272	add.l %a0,%d1
				273	move.l %d1,(%a1)+
				274	cmp.l %a2, %a1
				275	bne 7b
				276
				277	/* calculate relative jump to board_init_r in ram */
				278	move.l %a0, %a1
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	279	add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	280
				281	/* set parameters for board_init_r */
				282	move.l %a0,-(%sp) /* dest_addr */
				283	move.l %d0,-(%sp) /* gd */
Wolfgang Denk	0708bc6	2010-10-07 21:51:12 +0200	[diff] [blame]	284	#if defined(DEBUG) && (CONFIG_SYS_TEXT_BASE != CONFIG_SYS_INT_FLASH_BASE) && \
Jean-Christophe PLAGNIOL-VILLARD	0383694	2008-10-16 15:01:15 +0200	[diff] [blame]	285	defined(CONFIG_SYS_HALT_BEFOR_RAM_JUMP)
TsiChungLiew	8cd73be	2007-08-15 19:21:21 -0500	[diff] [blame]	286	halt
				287	#endif
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	288	jsr (%a1)
				289
				290	/------------------------------------------------------------------------------/
				291	/* exception code */
				292	.globl _fault
				293	_fault:
Marek Vasut	876813b	2012-10-03 13:28:43 +0000	[diff] [blame]	294	bra _fault
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	295
				296	.globl _exc_handler
				297	_exc_handler:
				298	SAVE_ALL
				299	movel %sp,%sp@-
				300	bsr exc_handler
				301	addql #4,%sp
				302	RESTORE_ALL
				303
				304	.globl _int_handler
				305	_int_handler:
				306	SAVE_ALL
				307	movel %sp,%sp@-
				308	bsr int_handler
				309	addql #4,%sp
				310	RESTORE_ALL
				311
				312	/------------------------------------------------------------------------------/
wdenk	e65527f	2004-02-12 00:47:09 +0000	[diff] [blame]	313
				314	.globl version_string
				315	version_string:
Andreas Bießmann	61d0195	2011-07-18 20:24:04 +0200	[diff] [blame]	316	.ascii U_BOOT_VERSION_STRING, "\0"
TsiChung Liew	9d636e9	2008-03-28 08:47:45 -0500	[diff] [blame]	317	.align 4