ARM: use r9 for gd

[karo-tx-uboot.git] / arch / arm / lib / crt0.S

diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index a9657d190f35923e66523247ee1bf32622088ace..ac54b9359aea3b4954004e1b7805445ff0508b41 100644 (file)
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -3,23 +3,7 @@
  *
  *  Copyright (c) 2012  Albert ARIBAUD <albert.u.boot@aribaud.net>
  *
- * 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+
  */
 
 #include <config.h>
@@ -85,7 +69,7 @@ ENTRY(_main)
        bic     sp, sp, #7      /* 8-byte alignment for ABI compliance */
        sub     sp, #GD_SIZE    /* allocate one GD above SP */
        bic     sp, sp, #7      /* 8-byte alignment for ABI compliance */
-       mov     r8, sp          /* GD is above SP */
+       mov     r9, sp          /* GD is above SP */
        mov     r0, #0
        bl      board_init_f
 
@@ -97,15 +81,15 @@ ENTRY(_main)
  * 'here' but relocated.
  */
 
-       ldr     sp, [r8, #GD_START_ADDR_SP]     /* r8 = gd->start_addr_sp */
+       ldr     sp, [r9, #GD_START_ADDR_SP]     /* sp = gd->start_addr_sp */
        bic     sp, sp, #7      /* 8-byte alignment for ABI compliance */
-       ldr     r8, [r8, #GD_BD]                /* r8 = gd->bd */
-       sub     r8, r8, #GD_SIZE                /* new GD is below bd */
+       ldr     r9, [r9, #GD_BD]                /* r9 = gd->bd */
+       sub     r9, r9, #GD_SIZE                /* new GD is below bd */
 
        adr     lr, here
-       ldr     r0, [r8, #GD_RELOC_OFF]         /* lr = gd->start_addr_sp */
+       ldr     r0, [r9, #GD_RELOC_OFF]         /* r0 = gd->reloc_off */
        add     lr, lr, r0
-       ldr     r0, [r8, #GD_RELOCADDR]         /* r0 = gd->relocaddr */
+       ldr     r0, [r9, #GD_RELOCADDR]         /* r0 = gd->relocaddr */
        b       relocate_code
 here:
 
@@ -127,8 +111,8 @@ clbss_l:cmp r0, r1                  /* while not at end of BSS */
        bl red_led_on
 
        /* call board_init_r(gd_t *id, ulong dest_addr) */
-       mov     r0, r8                  /* gd_t */
-       ldr     r1, [r8, #GD_RELOCADDR] /* dest_addr */
+       mov     r0, r9                  /* gd_t */
+       ldr     r1, [r9, #GD_RELOCADDR] /* dest_addr */
        /* call board_init_r */
        ldr     pc, =board_init_r       /* this is auto-relocated! */