提交 9a4af112 编写于 作者: K Kuninori Morimoto 提交者: Russell King

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: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: NSimon Horman <horms@verge.net.au>
Acked-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 e8a7e48b
...@@ -45,6 +45,10 @@ else ...@@ -45,6 +45,10 @@ else
endif endif
endif endif
ifeq ($(CONFIG_ARCH_SHMOBILE),y)
OBJS += head-shmobile.o
endif
# #
# We now have a PIC decompressor implementation. Decompressors running # We now have a PIC decompressor implementation. Decompressors running
# from RAM should not define ZTEXTADDR. Decompressors running directly # from RAM should not define ZTEXTADDR. Decompressors running directly
......
/*
* 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 */
#ifndef ZBOOT_H
#define ZBOOT_H
/**************************************************
*
* board specific settings
*
**************************************************/
#error "unsupported board."
#endif /* ZBOOT_H */
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