Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / arch / powerpc / cpu / mpc8260 / start.S

diff --git a/arch/powerpc/cpu/mpc8260/start.S b/arch/powerpc/cpu/mpc8260/start.S
index a43504276b0c3086733ad4eaaed78de6fe6e6019..d7eaf13e0bda2b7e77e313beebb494695631962d 100644 (file)
--- a/arch/powerpc/cpu/mpc8260/start.S
+++ b/arch/powerpc/cpu/mpc8260/start.S
@@ -3,45 +3,23 @@
  *  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 MPC8260 PowerPC based Embedded Boards
  */
+#include <asm-offsets.h>
 #include <config.h>
 #include <mpc8260.h>
-#include <timestamp.h>
 #include <version.h>
 
-#define CONFIG_8260 1          /* needed for Linux kernel header files */
-#define _LINUX_CONFIG_H 1      /* avoid reading Linux autoconf.h file  */
-
 #include <ppc_asm.tmpl>
 #include <ppc_defs.h>
 
 #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.
 */
@@ -68,7 +46,7 @@
        GOT_ENTRY(transfer_to_handler)
 
        GOT_ENTRY(__init_end)
-       GOT_ENTRY(_end)
+       GOT_ENTRY(__bss_end)
        GOT_ENTRY(__bss_start)
 #if defined(CONFIG_HYMOD)
        GOT_ENTRY(environment)
@@ -85,9 +63,7 @@
        .data
        .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"
 
 /*
  *  Hard Reset Configuration Word (HRCW) table
@@ -161,31 +137,6 @@ _hrcw_table:
 
        .globl  _start
 _start:
-       li      r21, BOOTFLAG_COLD      /* Normal Power-On: Boot from FLASH*/
-       nop
-       b       boot_cold
-
-       . = EXC_OFF_SYS_RESET + 0x10
-
-       .globl  _start_warm
-_start_warm:
-       li      r21, BOOTFLAG_WARM      /* Software reboot              */
-       b       boot_warm
-
-boot_cold:
-#if defined(CONFIG_MPC8260ADS) && defined(CONFIG_SYS_DEFAULT_IMMR)
-       lis     r3, CONFIG_SYS_DEFAULT_IMMR@h
-       nop
-       lwz     r4, 0(r3)
-       nop
-       rlwinm  r4, r4, 0, 8, 5
-       nop
-       oris    r4, r4, 0x0200
-       nop
-       stw     r4, 0(r3)
-       nop
-#endif /* CONFIG_MPC8260ADS && CONFIG_SYS_DEFAULT_IMMR */
-boot_warm:
        mfmsr   r5                      /* save msr contents            */
 
 #if defined(CONFIG_COGENT)
@@ -254,10 +205,10 @@ in_flash:
        bl      init_debug      /* set up debugging stuff               */
 #endif
 
-       mr      r3, r21
-       /* r3: BOOTFLAG */
        bl      board_init_f    /* run 1st part of board init code (in Flash)*/
 
+       /* NOTREACHED - board_init_f() does not return */
+
 /*
  * Vector Table
  */
@@ -915,10 +866,12 @@ in_ram:
        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:
        /*
@@ -935,7 +888,7 @@ clear_bss:
         */
        lwz     r4,GOT(environment)
 #else
-       lwz     r4,GOT(_end)
+       lwz     r4,GOT(__bss_end)
 #endif
 
        cmplw   0, r3, r4