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arch
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arm
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boot
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compressed
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head-shmobile.S

head-shmobile.S 1.6 KB
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  1. /*
    2. 

  2.  * The head-file for SH-Mobile ARM platforms
    3. 

  3.  *
    4. 

  4.  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
    5. 

  5.  * Simon Horman <horms@verge.net.au>
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or modify
    8. 

  8.  * it under the terms of the GNU General Public License as published by
    9. 

  9.  * the Free Software Foundation; version 2 of the License.
    10. 

  10.  *
    11. 

  11.  * This program is distributed in the hope that it will be useful,
    12. 

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14. 

  14.  * GNU General Public License for more details.
    15. 

  15.  *
    16. 

  16.  * You should have received a copy of the GNU General Public License
    17. 

  17.  * along with this program; if not, write to the Free Software
    18. 

  18.  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    19. 

  19.  */
    20. 

  20. 

  21. #ifdef CONFIG_ZBOOT_ROM
    22. 

  22. 

  23. 	.section	".start", "ax"
    24. 

  24. 

  25. 	/* load board-specific initialization code */
    26. 

  26. #include <mach/zboot.h>
    27. 

  27. 

  28. 	b	1f
    29. 

  29. __atags:@ tag #1
    30. 

  30. 	.long	12			@ tag->hdr.size = tag_size(tag_core);
    31. 

  31. 	.long	0x54410001		@ tag->hdr.tag = ATAG_CORE;
    32. 

  32. 	.long   0			@ tag->u.core.flags = 0;
    33. 

  33. 	.long	0			@ tag->u.core.pagesize = 0;
    34. 

  34. 	.long	0			@ tag->u.core.rootdev = 0;
    35. 

  35. 	@ tag #2
    36. 

  36. 	.long	8			@ tag->hdr.size = tag_size(tag_mem32);
    37. 

  37. 	.long	0x54410002		@ tag->hdr.tag = ATAG_MEM;
    38. 

  38. 	.long	CONFIG_MEMORY_SIZE	@ tag->u.mem.size = CONFIG_MEMORY_SIZE;
    39. 

  39. 	.long	CONFIG_MEMORY_START	@ @ tag->u.mem.start = CONFIG_MEMORY_START;
    40. 

  40. 	@ tag #3
    41. 

  41. 	.long	0			@ tag->hdr.size = 0
    42. 

  42. 	.long	0			@ tag->hdr.tag = ATAG_NONE;
    43. 

  43. 1:
    44. 

  44. 

  45. 	/* Set board ID necessary for boot */
    46. 

  46. 	ldr	r7, 1f				@ Set machine type register
    47. 

  47. 	adr	r8, __atags			@ Set atag register
    48. 

  48. 	b	2f
    49. 

  49. 

  50. 1 :	.long MACH_TYPE
    51. 

  51. 2 :
    52. 

  52. 

  53. #endif /* CONFIG_ZBOOT_ROM */
    54.