* Copyright (C) 2003 Josef Baumgartner <josef.baumgartner@telex.de>
* Based on code from Bernhard Kuhn <bkuhn@metrowerks.com>
*
+ * (C) Copyright 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
*/
#include <config.h>
+#include <timestamp.h>
#include "version.h"
#ifndef CONFIG_IDENT_STRING
#define _START _start
#define _FAULT _fault
-
#define SAVE_ALL \
move.w #0x2700,%sr; /* disable intrs */ \
subl #60,%sp; /* space for 15 regs */ \
addl #60,%sp; /* space for 15 regs */ \
rte;
-
.text
/*
* Vector table. This is used for initial platform startup.
*/
_vectors:
-INITSP: .long 0x00000000 /* Initial SP */
-INITPC: .long _START /* Initial PC */
-vector02: .long _FAULT /* Access Error */
-vector03: .long _FAULT /* Address Error */
-vector04: .long _FAULT /* Illegal Instruction */
-vector05: .long _FAULT /* Reserved */
-vector06: .long _FAULT /* Reserved */
-vector07: .long _FAULT /* Reserved */
-vector08: .long _FAULT /* Privilege Violation */
-vector09: .long _FAULT /* Trace */
-vector0A: .long _FAULT /* Unimplemented A-Line */
-vector0B: .long _FAULT /* Unimplemented F-Line */
-vector0C: .long _FAULT /* Debug Interrupt */
-vector0D: .long _FAULT /* Reserved */
-vector0E: .long _FAULT /* Format Error */
-vector0F: .long _FAULT /* Unitialized Int. */
-
-/* Reserved */
+INITSP: .long 0x00000000 /* Initial SP */
+INITPC: .long _START /* Initial PC */
+vector02: .long _FAULT /* Access Error */
+vector03: .long _FAULT /* Address Error */
+vector04: .long _FAULT /* Illegal Instruction */
+vector05: .long _FAULT /* Reserved */
+vector06: .long _FAULT /* Reserved */
+vector07: .long _FAULT /* Reserved */
+vector08: .long _FAULT /* Privilege Violation */
+vector09: .long _FAULT /* Trace */
+vector0A: .long _FAULT /* Unimplemented A-Line */
+vector0B: .long _FAULT /* Unimplemented F-Line */
+vector0C: .long _FAULT /* Debug Interrupt */
+vector0D: .long _FAULT /* Reserved */
+vector0E: .long _FAULT /* Format Error */
+vector0F: .long _FAULT /* Unitialized Int. */
+
+/* Reserved */
vector10_17:
.long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT
-vector18: .long _FAULT /* Spurious Interrupt */
-vector19: .long _FAULT /* Autovector Level 1 */
-vector1A: .long _FAULT /* Autovector Level 2 */
-vector1B: .long _FAULT /* Autovector Level 3 */
-vector1C: .long _FAULT /* Autovector Level 4 */
-vector1D: .long _FAULT /* Autovector Level 5 */
-vector1E: .long _FAULT /* Autovector Level 6 */
-vector1F: .long _FAULT /* Autovector Level 7 */
+vector18: .long _FAULT /* Spurious Interrupt */
+vector19: .long _FAULT /* Autovector Level 1 */
+vector1A: .long _FAULT /* Autovector Level 2 */
+vector1B: .long _FAULT /* Autovector Level 3 */
+vector1C: .long _FAULT /* Autovector Level 4 */
+vector1D: .long _FAULT /* Autovector Level 5 */
+vector1E: .long _FAULT /* Autovector Level 6 */
+vector1F: .long _FAULT /* Autovector Level 7 */
/* TRAP #0 - #15 */
vector20_2F:
_start:
nop
nop
- move.w #0x2700,%sr /* Mask off Interrupt */
+ move.w #0x2700,%sr /* Mask off Interrupt */
- /* Set vector base register at the beginning of the Flash */
- move.l #CFG_FLASH_BASE, %d0
+ /* Set vector base register at the beginning of the Flash */
+ move.l #CONFIG_SYS_FLASH_BASE, %d0
movec %d0, %VBR
- move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_RAM_CTRL), %d0
- movec %d0, %RAMBAR0
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
+ movec %d0, %RAMBAR1
/* invalidate and disable cache */
move.l #0x01000000, %d0 /* Invalidate cache cmd */
movec %d0, %ACR0
movec %d0, %ACR1
+#ifdef CONFIG_MCF5301x
+ move.l #(0xFC0a0010), %a0
+ move.w (%a0), %d0
+ and.l %d0, 0xEFFF
+
+ move.w %d0, (%a0)
+#endif
+
/* initialize general use internal ram */
move.l #0, %d0
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a2
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a2
move.l %d0, (%a1)
move.l %d0, (%a2)
- /* set stackpointer to end of internal ram to get some stackspace for the first c-code */
- move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp
+ /* set stackpointer to end of internal ram to get some stackspace for the
+ first c-code */
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
clr.l %sp@-
- move.l #__got_start, %a5 /* put relocation table address to a5 */
+ move.l #__got_start, %a5 /* put relocation table address to a5 */
- bsr cpu_init_f /* run low-level CPU init code (from flash) */
- bsr board_init_f /* run low-level board init code (from flash) */
+ bsr cpu_init_f /* run low-level CPU init code (from flash) */
+ bsr board_init_f /* run low-level board init code (from flash) */
/* board_init_f() does not return */
move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
move.l 16(%a6), %a0 /* Save copy of Destination Address */
- move.l #CFG_MONITOR_BASE, %a1
+ move.l #CONFIG_SYS_MONITOR_BASE, %a1
move.l #__init_end, %a2
move.l %a0, %a3
* initialization, now running from RAM.
*/
move.l %a0, %a1
- add.l #(in_ram - CFG_MONITOR_BASE), %a1
+ add.l #(in_ram - CONFIG_SYS_MONITOR_BASE), %a1
jmp (%a1)
in_ram:
* Now clear BSS segment
*/
move.l %a0, %a1
- add.l #(_sbss - CFG_MONITOR_BASE),%a1
+ add.l #(_sbss - CONFIG_SYS_MONITOR_BASE),%a1
move.l %a0, %d1
- add.l #(_ebss - CFG_MONITOR_BASE),%d1
+ add.l #(_ebss - CONFIG_SYS_MONITOR_BASE),%d1
6:
clr.l (%a1)+
cmp.l %a1,%d1
* fix got table in RAM
*/
move.l %a0, %a1
- add.l #(__got_start - CFG_MONITOR_BASE),%a1
+ add.l #(__got_start - CONFIG_SYS_MONITOR_BASE),%a1
move.l %a1,%a5 /* * fix got pointer register a5 */
move.l %a0, %a2
- add.l #(__got_end - CFG_MONITOR_BASE),%a2
+ add.l #(__got_end - CONFIG_SYS_MONITOR_BASE),%a2
7:
move.l (%a1),%d1
/* calculate relative jump to board_init_r in ram */
move.l %a0, %a1
- add.l #(board_init_r - CFG_MONITOR_BASE), %a1
+ add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
/* set parameters for board_init_r */
move.l %a0,-(%sp) /* dest_addr */
icache_enable:
move.l #0x01000000, %d0 /* Invalidate cache cmd */
movec %d0, %CACR /* Invalidate cache */
- move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */
+ move.l #(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0
movec %d0, %ACR0 /* Enable cache */
- move.l #(CFG_CS0_BASE + 0xc000), %d0 /* Setup cache mask */
- movec %d0, %ACR1 /* Enable cache */
- /*move.l #0x81000100, %d0*/ /* Setup cache mask */
- move.l #0x81000100, %d0 /* Setup cache mask */
+ move.l #0x80000200, %d0 /* Setup cache mask */
movec %d0, %CACR /* Enable cache */
+ nop
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
moveq #1, %d0
move.l %d0, (%a1)
rts
.globl icache_disable
icache_disable:
- move.l #0x00000100, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
+ move.l #0x01000000, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Disable cache */
clr.l %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
- movec %d0, %ACR1 /* Enable cache */
+ movec %d0, %ACR0
+ movec %d0, %ACR1
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
moveq #0, %d0
move.l %d0, (%a1)
rts
.globl icache_status
icache_status:
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
move.l (%a1), %d0
rts
.globl icache_invalid
icache_invalid:
- move.l #0x00000100, %d0 /* Setup cache mask */
+ move.l #0x81000200, %d0 /* Setup cache mask */
movec %d0, %CACR /* Enable cache */
rts
.globl dcache_enable
dcache_enable:
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
moveq #1, %d0
move.l %d0, (%a1)
rts
/* No dcache, just a dummy function */
.globl dcache_disable
dcache_disable:
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
moveq #0, %d0
move.l %d0, (%a1)
rts
.globl dcache_status
dcache_status:
- move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1
move.l (%a1), %d0
rts
.globl version_string
version_string:
.ascii U_BOOT_VERSION
- .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
.ascii CONFIG_IDENT_STRING, "\0"
+ .align 4