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Commit 9a4af112 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Russell King
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ARM: 6515/1: Add zboot support for SuperH Mobile ARM



When CONFIG_ZBOOT_ROM is selected, the resulting zImage file will be small
boot loader and may be burned to rom or flash.

This is the non-board-specific framework portion of this patch-set.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e8a7e48b
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+4 −0
Original line number Diff line number Diff line
@@ -45,6 +45,10 @@ else
endif
endif

ifeq ($(CONFIG_ARCH_SHMOBILE),y)
OBJS		+= head-shmobile.o
endif

#
# We now have a PIC decompressor implementation.  Decompressors running
# from RAM should not define ZTEXTADDR.  Decompressors running directly
+53 −0
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/*
 * The head-file for SH-Mobile ARM platforms
 *
 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 * Simon Horman <horms@verge.net.au>
 *
 * 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; version 2 of the License.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifdef CONFIG_ZBOOT_ROM

	.section	".start", "ax"

	/* load board-specific initialization code */
#include <mach/zboot.h>

	b	1f
__atags:@ tag #1
	.long	12			@ tag->hdr.size = tag_size(tag_core);
	.long	0x54410001		@ tag->hdr.tag = ATAG_CORE;
	.long   0			@ tag->u.core.flags = 0;
	.long	0			@ tag->u.core.pagesize = 0;
	.long	0			@ tag->u.core.rootdev = 0;
	@ tag #2
	.long	8			@ tag->hdr.size = tag_size(tag_mem32);
	.long	0x54410002		@ tag->hdr.tag = ATAG_MEM;
	.long	CONFIG_MEMORY_SIZE	@ tag->u.mem.size = CONFIG_MEMORY_SIZE;
	.long	CONFIG_MEMORY_START	@ @ tag->u.mem.start = CONFIG_MEMORY_START;
	@ tag #3
	.long	0			@ tag->hdr.size = 0
	.long	0			@ tag->hdr.tag = ATAG_NONE;
1:

	/* Set board ID necessary for boot */
	ldr	r7, 1f				@ Set machine type register
	adr	r8, __atags			@ Set atag register
	b	2f

1 :	.long MACH_TYPE
2 :

#endif /* CONFIG_ZBOOT_ROM */
+12 −0
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#ifndef ZBOOT_H
#define ZBOOT_H

/**************************************************
 *
 *		board specific settings
 *
 **************************************************/

#error "unsupported board."

#endif /* ZBOOT_H */