* Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
* Copyright (C) 2000,2001,2002 Wolfgang Denk <wd@denx.de>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* U-Boot - Startup Code for PowerPC based Embedded Boards
* board_init will change CS0 to be positioned at the correct
* address and (s)dram will be positioned at address 0
*/
+#include <asm-offsets.h>
#include <config.h>
#include <mpc8xx.h>
-#include <timestamp.h>
#include <version.h>
#define CONFIG_8xx 1 /* needed for Linux kernel header files */
#include <asm/cache.h>
#include <asm/mmu.h>
-
-#ifndef CONFIG_IDENT_STRING
-#define CONFIG_IDENT_STRING ""
-#endif
+#include <asm/u-boot.h>
/* We don't want the MMU yet.
*/
GOT_ENTRY(transfer_to_handler)
GOT_ENTRY(__init_end)
- GOT_ENTRY(_end)
+ GOT_ENTRY(__bss_end)
GOT_ENTRY(__bss_start)
END_GOT
.long 0x27051956 /* U-Boot Magic Number */
.globl version_string
version_string:
- .ascii U_BOOT_VERSION
- .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
- .ascii CONFIG_IDENT_STRING, "\0"
+ .ascii U_BOOT_VERSION_STRING, "\0"
. = EXC_OFF_SYS_RESET
.globl _start
_start:
lis r3, CONFIG_SYS_IMMR@h /* position IMMR */
mtspr 638, r3
- li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
- b boot_cold
-
- . = EXC_OFF_SYS_RESET + 0x10
-
- .globl _start_warm
-_start_warm:
- li r21, BOOTFLAG_WARM /* Software reboot */
- b boot_warm
-
-boot_cold:
-boot_warm:
/* Initialize machine status; enable machine check interrupt */
/*----------------------------------------------------------------------*/
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (from Flash) */
- mr r3, r21
- /* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (from Flash) */
+ /* NOTREACHED - board_init_f() does not return */
+
.globl _start_of_vectors
_start_of_vectors:
beq 4f
3: lwzu r4,4(r3)
lwzux r0,r4,r11
+ cmpwi r0,0
add r0,r0,r11
- stw r10,0(r3)
+ stw r4,0(r3)
+ beq- 5f
stw r0,0(r4)
- bdnz 3b
+5: bdnz 3b
4:
clear_bss:
/*
* Now clear BSS segment
*/
lwz r3,GOT(__bss_start)
- lwz r4,GOT(_end)
+ lwz r4,GOT(__bss_end)
cmplw 0, r3, r4
beq 6f