arch/arm/boot/compressed/head-shmobile.S

   1 /*
   2  * The head-file for SH-Mobile ARM platforms
   3  *
   4  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   5  * Simon Horman <horms@verge.net.au>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #ifdef CONFIG_ZBOOT_ROM
  22
  23         .section        ".start", "ax"
  24
  25         /* load board-specific initialization code */
  26 #include <mach/zboot.h>
  27
  28         b       1f
  29 __atags:@ tag #1
  30         .long   12                      @ tag->hdr.size = tag_size(tag_core);
  31         .long   0x54410001              @ tag->hdr.tag = ATAG_CORE;
  32         .long   0                       @ tag->u.core.flags = 0;
  33         .long   0                       @ tag->u.core.pagesize = 0;
  34         .long   0                       @ tag->u.core.rootdev = 0;
  35         @ tag #2
  36         .long   8                       @ tag->hdr.size = tag_size(tag_mem32);
  37         .long   0x54410002              @ tag->hdr.tag = ATAG_MEM;
  38         .long   CONFIG_MEMORY_SIZE      @ tag->u.mem.size = CONFIG_MEMORY_SIZE;
  39         .long   CONFIG_MEMORY_START     @ @ tag->u.mem.start = CONFIG_MEMORY_START;
  40         @ tag #3
  41         .long   0                       @ tag->hdr.size = 0
  42         .long   0                       @ tag->hdr.tag = ATAG_NONE;
  43 1:
  44
  45         /* Set board ID necessary for boot */
  46         ldr     r7, 1f                          @ Set machine type register
  47         adr     r8, __atags                     @ Set atag register
  48         b       2f
  49
  50 1 :     .long MACH_TYPE
  51 2 :
  52
  53 #endif /* CONFIG_ZBOOT_ROM */