diff options
Diffstat (limited to 'arch/mips/dec/reset.c')
-rw-r--r-- | arch/mips/dec/reset.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/dec/reset.c b/arch/mips/dec/reset.c new file mode 100644 index 000000000000..7e4d34d0573d --- /dev/null +++ b/arch/mips/dec/reset.c | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * Reset a DECstation machine. | ||
3 | * | ||
4 | * Copyright (C) 199x the Anonymous | ||
5 | * Copyright (C) 2001, 2002, 2003 Maciej W. Rozycki | ||
6 | */ | ||
7 | #include <linux/interrupt.h> | ||
8 | #include <linux/linkage.h> | ||
9 | |||
10 | #include <asm/addrspace.h> | ||
11 | #include <asm/ptrace.h> | ||
12 | |||
13 | typedef void ATTRIB_NORET (* noret_func_t)(void); | ||
14 | |||
15 | static inline void ATTRIB_NORET back_to_prom(void) | ||
16 | { | ||
17 | noret_func_t func = (void *) KSEG1ADDR(0x1fc00000); | ||
18 | |||
19 | func(); | ||
20 | } | ||
21 | |||
22 | void ATTRIB_NORET dec_machine_restart(char *command) | ||
23 | { | ||
24 | back_to_prom(); | ||
25 | } | ||
26 | |||
27 | void ATTRIB_NORET dec_machine_halt(void) | ||
28 | { | ||
29 | back_to_prom(); | ||
30 | } | ||
31 | |||
32 | void ATTRIB_NORET dec_machine_power_off(void) | ||
33 | { | ||
34 | /* DECstations don't have a software power switch */ | ||
35 | back_to_prom(); | ||
36 | } | ||
37 | |||
38 | irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs) | ||
39 | { | ||
40 | dec_machine_halt(); | ||
41 | } | ||