[PATCH v4 05/16] [loongson] pm: clean up the reboot support

Wu Zhangjin
2009-07-02T15:29:24Z

From: Wu Zhangjin <wuzj@lemote.com>

several magic numbers have been replaced by relative macros, which will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

Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
---
arch/mips/lemote/lm2e/reset.c | 18 ++++++++++--------
1 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/mips/lemote/lm2e/reset.c b/arch/mips/lemote/lm2e/reset.c
index 47ff506..7758093 100644
--- a/arch/mips/lemote/lm2e/reset.c
+++ b/arch/mips/lemote/lm2e/reset.c
@@ -6,21 +6,23 @@
*
* 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/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)
--
1.6.2.1