#include "version.h"
#include <asm/cache.h>
-#ifndef CONFIG_IDENT_STRING
-#define CONFIG_IDENT_STRING ""
-#endif
-
#define _START _start
#define _FAULT _fault
#if !defined(CONFIG_MONITOR_IS_IN_RAM)
.text
+
/*
- * Vector table. This is used for initial platform startup.
- * These vectors are to catch any un-intended traps.
+ * Vector table. This is used for initial platform startup.
+ * These vectors are to catch any un-intended traps.
*/
_vectors:
-
.long 0x00000000 /* Flash offset is 0 until we setup CS0 */
#if defined(CONFIG_M5282) && (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
.long _start - CONFIG_SYS_TEXT_BASE
#endif
- .text
-
+.text
#if defined(CONFIG_SYS_INT_FLASH_BASE) && \
(defined(CONFIG_M5282) || defined(CONFIG_M5281))
- #if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
- .long 0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */
- .long 0xFFFFFFFF /* all sectors protected */
- .long 0x00000000 /* supervisor/User restriction */
- .long 0x00000000 /* programm/data space restriction */
- .long 0x00000000 /* Flash security */
- #endif
+#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
+.long 0x55AA55AA,0xAA55AA55 /* CFM Backdoorkey */
+.long 0xFFFFFFFF /* all sectors protected */
+.long 0x00000000 /* supervisor/User restriction */
+.long 0x00000000 /* programm/data space restriction */
+.long 0x00000000 /* Flash security */
+#endif
#endif
- .globl _start
+
+.globl _start
_start:
nop
nop
- move.w #0x2700,%sr
+ move.w #0x2700,%sr
#if defined(CONFIG_M5208)
/* Initialize RAMBAR: locate SRAM and validate it */
#endif
#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253)
- move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set MBAR address + valid flag */
+ /* set MBAR address + valid flag */
+ move.l #(CONFIG_SYS_MBAR + 1), %d0
move.c %d0, %MBAR
/*** The 5249 has MBAR2 as well ***/
#ifdef CONFIG_SYS_MBAR2
- move.l #(CONFIG_SYS_MBAR2 + 1), %d0 /* Get MBAR2 address */
- movec %d0, #0xc0e /* Set MBAR2 */
+ /* Get MBAR2 address */
+ move.l #(CONFIG_SYS_MBAR2 + 1), %d0
+ /* Set MBAR2 */
+ movec %d0, #0xc0e
#endif
-
move.l #(CONFIG_SYS_INIT_RAM_ADDR + 1), %d0
movec %d0, %RAMBAR0
#endif /* CONFIG_M5272 || CONFIG_M5249 || CONFIG_M5253 */
#if defined(CONFIG_M5282) || defined(CONFIG_M5271)
- /* Initialize IPSBAR */
- move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */
+ /* set MBAR address + valid flag */
+ move.l #(CONFIG_SYS_MBAR + 1), %d0
move.l %d0, 0x40000000
/* Initialize RAMBAR1: locate SRAM and validate it */
#if defined(CONFIG_M5282)
#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE)
- /* Setup code in SRAM to initialize FLASHBAR, if start from internal Flash */
-
- move.l #(_flashbar_setup-CONFIG_SYS_INT_FLASH_BASE), %a0
- move.l #(_flashbar_setup_end-CONFIG_SYS_INT_FLASH_BASE), %a1
- move.l #(CONFIG_SYS_INIT_RAM_ADDR), %a2
+ /*
+ * Setup code in SRAM to initialize FLASHBAR,
+ * if start from internal Flash
+ */
+ move.l #(_flashbar_setup-CONFIG_SYS_INT_FLASH_BASE), %a0
+ move.l #(_flashbar_setup_end-CONFIG_SYS_INT_FLASH_BASE), %a1
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR), %a2
_copy_flash:
- move.l (%a0)+, (%a2)+
- cmp.l %a0, %a1
- bgt.s _copy_flash
- jmp CONFIG_SYS_INIT_RAM_ADDR
+ move.l (%a0)+, (%a2)+
+ cmp.l %a0, %a1
+ bgt.s _copy_flash
+ jmp CONFIG_SYS_INIT_RAM_ADDR
_flashbar_setup:
/* Initialize FLASHBAR: locate internal Flash and validate it */
move.l #(CONFIG_SYS_INT_FLASH_BASE + CONFIG_SYS_INT_FLASH_ENABLE), %d0
movec %d0, %FLASHBAR
- jmp _after_flashbar_copy.L /* Force jump to absolute address */
+ jmp _after_flashbar_copy.L /* Force jump to absolute address */
_flashbar_setup_end:
nop
_after_flashbar_copy:
#endif
#endif
- /* if we come from a pre-loader we have no exception table and
+ /*
+ * if we come from a pre-loader we have no exception table and
* therefore no VBR to set
*/
#if !defined(CONFIG_MONITOR_IS_IN_RAM)
#endif
#ifdef CONFIG_M5275
- /* Initialize IPSBAR */
- move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set IPSBAR address + valid flag */
+ /* set MBAR address + valid flag */
+ move.l #(CONFIG_SYS_MBAR + 1), %d0
move.l %d0, 0x40000000
/* movec %d0, %MBAR */
#endif
/* initialize general use internal ram */
- move.l #0, %d0
- move.l #(ICACHE_STATUS), %a1 /* icache */
- move.l #(DCACHE_STATUS), %a2 /* icache */
- move.l %d0, (%a1)
- move.l %d0, (%a2)
+ move.l #0, %d0
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* icache */
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
/* put relocation table address to a5 */
- move.l #__got_start, %a5
+ move.l #__got_start, %a5
/* setup stack initially on top of internal static ram */
- move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE), %sp
+ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE), %sp
/*
* if configured, malloc_f arena will be reserved first,
*/
move.l %sp, -(%sp)
move.l #board_init_f_alloc_reserve, %a1
- jsr (%a1)
+ jsr (%a1)
/* update stack and frame-pointers */
- move.l %d0, %sp
- move.l %sp, %fp
+ move.l %d0, %sp
+ move.l %sp, %fp
/* initialize reserved area */
- move.l %d0, -(%sp)
+ move.l %d0, -(%sp)
move.l #board_init_f_init_reserve, %a1
- jsr (%a1)
+ jsr (%a1)
/* run low-level CPU init code (from flash) */
- move.l #cpu_init_f, %a1
- jsr (%a1)
+ move.l #cpu_init_f, %a1
+ jsr (%a1)
+
/* run low-level board init code (from flash) */
- clr.l %sp@-
- move.l #board_init_f, %a1
- jsr (%a1)
+ clr.l %sp@-
+ move.l #board_init_f, %a1
+ jsr (%a1)
/* board_init_f() does not return */
-/*------------------------------------------------------------------------------*/
+/******************************************************************************/
/*
* void relocate_code (addr_sp, gd, addr_moni)
* r5 = length in bytes
* r6 = cachelinesize
*/
- .globl relocate_code
+.globl relocate_code
relocate_code:
- link.w %a6,#0
- move.l 8(%a6), %sp /* set new stack pointer */
+ link.w %a6,#0
+ move.l 8(%a6), %sp /* set new stack pointer */
- move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
- move.l 16(%a6), %a0 /* Save copy of Destination Address */
+ move.l 12(%a6), %d0 /* Save copy of Global Data pointer */
+ move.l 16(%a6), %a0 /* Save copy of Destination Address */
- move.l #CONFIG_SYS_MONITOR_BASE, %a1
- move.l #__init_end, %a2
- move.l %a0, %a3
+ move.l #CONFIG_SYS_MONITOR_BASE, %a1
+ move.l #__init_end, %a2
+ move.l %a0, %a3
/* copy the code to RAM */
1:
- move.l (%a1)+, (%a3)+
- cmp.l %a1,%a2
- bgt.s 1b
+ move.l (%a1)+, (%a3)+
+ cmp.l %a1,%a2
+ bgt.s 1b
/*
* We are done. Do not return, instead branch to second part of board
*/
move.l %a0, %a1
add.l #(__got_start - CONFIG_SYS_MONITOR_BASE),%a1
- move.l %a1,%a5 /* * fix got pointer register a5 */
+ move.l %a1,%a5 /* fix got pointer register a5 */
move.l %a0, %a2
add.l #(__got_end - CONFIG_SYS_MONITOR_BASE),%a2
bne 7b
/* calculate relative jump to board_init_r in ram */
- move.l %a0, %a1
- add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
+ move.l %a0, %a1
+ add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
/* set parameters for board_init_r */
- move.l %a0,-(%sp) /* dest_addr */
- move.l %d0,-(%sp) /* gd */
+ move.l %a0,-(%sp) /* dest_addr */
+ move.l %d0,-(%sp) /* gd */
#if defined(DEBUG) && (CONFIG_SYS_TEXT_BASE != CONFIG_SYS_INT_FLASH_BASE) && \
defined(CONFIG_SYS_HALT_BEFOR_RAM_JUMP)
halt
#endif
jsr (%a1)
-/*------------------------------------------------------------------------------*/
+/******************************************************************************/
+
/* exception code */
- .globl _fault
+.globl _fault
_fault:
- bra _fault
+ bra _fault
- .globl _exc_handler
+.globl _exc_handler
_exc_handler:
SAVE_ALL
movel %sp,%sp@-
- bsr exc_handler
+ bsr exc_handler
addql #4,%sp
RESTORE_ALL
- .globl _int_handler
+.globl _int_handler
_int_handler:
SAVE_ALL
movel %sp,%sp@-
- bsr int_handler
+ bsr int_handler
addql #4,%sp
RESTORE_ALL
-/*------------------------------------------------------------------------------*/
+/******************************************************************************/
- .globl version_string
+.globl version_string
version_string:
- .ascii U_BOOT_VERSION_STRING, "\0"
- .align 4
+.ascii U_BOOT_VERSION_STRING, "\0"
+.align 4
projects / karo-tx-uboot.git / blobdiff