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MIPS: Loongson: pm: clean up the reboot support

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Several magic numbers have been replaced by relative macros, which will be
more readable and understandable.

Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Wu Zhangjin 2009-07-02 23:21:27 +08:00 committed by Ralf Baechle
parent 8f0de87fa9
commit f256a5775a
1 changed files with 10 additions and 8 deletions
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18
arch/mips/lemote/lm2e/reset.c
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@ -6,22 +6,24 @@
*
* Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
* Author: Fuxin Zhang, zhangfx@lemote.com
* Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
* Author: Zhangjin Wu, wuzj@lemote.com
*/
#include <linux/init.h>
#include <linux/pm.h>
#include <linux/io.h>
#include <asm/reboot.h>
#include <asm/mips-boards/bonito64.h>
static void loongson2e_restart(char *command)
{
#ifdef CONFIG_32BIT
*(unsigned long *)0xbfe00104 &= ~(1 << 2);
*(unsigned long *)0xbfe00104 |= (1 << 2);
#else
*(unsigned long *)0xffffffffbfe00104 &= ~(1 << 2);
*(unsigned long *)0xffffffffbfe00104 |= (1 << 2);
#endif
__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
/* do preparation for reboot */
BONITO_BONGENCFG &= ~(1 << 2);
BONITO_BONGENCFG |= (1 << 2);
/* reboot via jumping to boot base address */
((void (*)(void))ioremap_nocache(BONITO_BOOT_BASE, 4)) ();
}
static void loongson2e_halt(void)