MIPS: Loongson: pm: clean up the reboot support
Several magic numbers have been replaced by relative macros, which will be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>
diff --git a/arch/mips/lemote/lm2e/reset.c b/arch/mips/lemote/lm2e/reset.c
index a6499a2..0faa140 100644
--- a/arch/mips/lemote/lm2e/reset.c
+++ b/arch/mips/lemote/lm2e/reset.c
@@ -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)
