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-rw-r--r--arch/mips/loongson/common/reset.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c
index 4bd9c18b07a5..9e10d6225d9b 100644
--- a/arch/mips/loongson/common/reset.c
+++ b/arch/mips/loongson/common/reset.c
@@ -16,13 +16,31 @@
16 16
17#include <loongson.h> 17#include <loongson.h>
18 18
19static inline void loongson_reboot(void)
20{
21#ifndef CONFIG_CPU_JUMP_WORKAROUNDS
22 ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
23#else
24 void (*func)(void);
25
26 func = (void *)ioremap_nocache(LOONGSON_BOOT_BASE, 4);
27
28 __asm__ __volatile__(
29 " .set noat \n"
30 " jr %[func] \n"
31 " .set at \n"
32 : /* No outputs */
33 : [func] "r" (func));
34#endif
35}
36
19static void loongson_restart(char *command) 37static void loongson_restart(char *command)
20{ 38{
21 /* do preparation for reboot */ 39 /* do preparation for reboot */
22 mach_prepare_reboot(); 40 mach_prepare_reboot();
23 41
24 /* reboot via jumping to boot base address */ 42 /* reboot via jumping to boot base address */
25 ((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) (); 43 loongson_reboot();
26} 44}
27 45
28static void loongson_poweroff(void) 46static void loongson_poweroff(void)