diff options
Diffstat (limited to 'arch/sh/boards/mach-hp6xx/pm_wakeup.S')
-rw-r--r-- | arch/sh/boards/mach-hp6xx/pm_wakeup.S | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/arch/sh/boards/mach-hp6xx/pm_wakeup.S b/arch/sh/boards/mach-hp6xx/pm_wakeup.S index 44b648cf6f23..4f18d44e0541 100644 --- a/arch/sh/boards/mach-hp6xx/pm_wakeup.S +++ b/arch/sh/boards/mach-hp6xx/pm_wakeup.S | |||
@@ -10,47 +10,32 @@ | |||
10 | #include <linux/linkage.h> | 10 | #include <linux/linkage.h> |
11 | #include <cpu/mmu_context.h> | 11 | #include <cpu/mmu_context.h> |
12 | 12 | ||
13 | #define k0 r0 | ||
14 | #define k1 r1 | ||
15 | #define k2 r2 | ||
16 | #define k3 r3 | ||
17 | #define k4 r4 | ||
18 | |||
19 | /* | 13 | /* |
20 | * Kernel mode register usage: | 14 | * Kernel mode register usage: |
21 | * k0 scratch | 15 | * k0 scratch |
22 | * k1 scratch | 16 | * k1 scratch |
23 | * k2 scratch (Exception code) | 17 | * For more details, please have a look at entry.S |
24 | * k3 scratch (Return address) | ||
25 | * k4 scratch | ||
26 | * k5 reserved | ||
27 | * k6 Global Interrupt Mask (0--15 << 4) | ||
28 | * k7 CURRENT_THREAD_INFO (pointer to current thread info) | ||
29 | */ | 18 | */ |
30 | 19 | ||
20 | #define k0 r0 | ||
21 | #define k1 r1 | ||
22 | |||
31 | ENTRY(wakeup_start) | 23 | ENTRY(wakeup_start) |
32 | ! clear STBY bit | 24 | ! clear STBY bit |
33 | mov #-126, k2 | 25 | mov #-126, k1 |
34 | and #127, k0 | 26 | and #127, k0 |
35 | mov.b k0, @k2 | 27 | mov.b k0, @k1 |
36 | ! enable refresh | 28 | ! enable refresh |
37 | mov.l 5f, k1 | 29 | mov.l 5f, k1 |
38 | mov.w 6f, k0 | 30 | mov.w 6f, k0 |
39 | mov.w k0, @k1 | 31 | mov.w k0, @k1 |
40 | ! jump to handler | 32 | ! jump to handler |
41 | mov.l 2f, k2 | ||
42 | mov.l 3f, k3 | ||
43 | mov.l @k2, k2 | ||
44 | |||
45 | mov.l 4f, k1 | 33 | mov.l 4f, k1 |
46 | jmp @k1 | 34 | jmp @k1 |
47 | nop | 35 | nop |
48 | 36 | ||
49 | .align 2 | 37 | .align 2 |
50 | 1: .long EXPEVT | 38 | 4: .long handle_interrupt |
51 | 2: .long INTEVT | ||
52 | 3: .long ret_from_irq | ||
53 | 4: .long handle_exception | ||
54 | 5: .long 0xffffff68 | 39 | 5: .long 0xffffff68 |
55 | 6: .word 0x0524 | 40 | 6: .word 0x0524 |
56 | 41 | ||