diff options
author | Mike Frysinger <vapier@gentoo.org> | 2010-10-27 15:29:26 -0400 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2011-01-10 07:18:16 -0500 |
commit | 10cdc1a78a02bb1d76b28b146083cb060399d86f (patch) | |
tree | 0b2cdb9379109ca114983186b4a7430fe896d543 /arch/blackfin/mach-bf548 | |
parent | 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c (diff) |
Blackfin: unify pll.h headers
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-bf548')
-rw-r--r-- | arch/blackfin/mach-bf548/include/mach/pll.h | 70 |
1 files changed, 1 insertions, 69 deletions
diff --git a/arch/blackfin/mach-bf548/include/mach/pll.h b/arch/blackfin/mach-bf548/include/mach/pll.h index 7865a090d333..94cca674d835 100644 --- a/arch/blackfin/mach-bf548/include/mach/pll.h +++ b/arch/blackfin/mach-bf548/include/mach/pll.h | |||
@@ -1,69 +1 @@ | |||
1 | /* | #include <mach-common/pll.h> | |
2 | * Copyright 2007-2008 Analog Devices Inc. | ||
3 | * | ||
4 | * Licensed under the GPL-2 or later. | ||
5 | */ | ||
6 | |||
7 | #ifndef _MACH_PLL_H | ||
8 | #define _MACH_PLL_H | ||
9 | |||
10 | #include <asm/blackfin.h> | ||
11 | #include <asm/irqflags.h> | ||
12 | |||
13 | /* Writing to PLL_CTL initiates a PLL relock sequence. */ | ||
14 | static __inline__ void bfin_write_PLL_CTL(unsigned int val) | ||
15 | { | ||
16 | unsigned long flags, iwr0, iwr1, iwr2; | ||
17 | |||
18 | if (val == bfin_read_PLL_CTL()) | ||
19 | return; | ||
20 | |||
21 | flags = hard_local_irq_save(); | ||
22 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
23 | iwr0 = bfin_read32(SIC_IWR0); | ||
24 | iwr1 = bfin_read32(SIC_IWR1); | ||
25 | iwr2 = bfin_read32(SIC_IWR2); | ||
26 | /* Only allow PPL Wakeup) */ | ||
27 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
28 | bfin_write32(SIC_IWR1, 0); | ||
29 | bfin_write32(SIC_IWR2, 0); | ||
30 | |||
31 | bfin_write16(PLL_CTL, val); | ||
32 | SSYNC(); | ||
33 | asm("IDLE;"); | ||
34 | |||
35 | bfin_write32(SIC_IWR0, iwr0); | ||
36 | bfin_write32(SIC_IWR1, iwr1); | ||
37 | bfin_write32(SIC_IWR2, iwr2); | ||
38 | hard_local_irq_restore(flags); | ||
39 | } | ||
40 | |||
41 | /* Writing to VR_CTL initiates a PLL relock sequence. */ | ||
42 | static __inline__ void bfin_write_VR_CTL(unsigned int val) | ||
43 | { | ||
44 | unsigned long flags, iwr0, iwr1, iwr2; | ||
45 | |||
46 | if (val == bfin_read_VR_CTL()) | ||
47 | return; | ||
48 | |||
49 | flags = hard_local_irq_save(); | ||
50 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
51 | iwr0 = bfin_read32(SIC_IWR0); | ||
52 | iwr1 = bfin_read32(SIC_IWR1); | ||
53 | iwr2 = bfin_read32(SIC_IWR2); | ||
54 | /* Only allow PPL Wakeup) */ | ||
55 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
56 | bfin_write32(SIC_IWR1, 0); | ||
57 | bfin_write32(SIC_IWR2, 0); | ||
58 | |||
59 | bfin_write16(VR_CTL, val); | ||
60 | SSYNC(); | ||
61 | asm("IDLE;"); | ||
62 | |||
63 | bfin_write32(SIC_IWR0, iwr0); | ||
64 | bfin_write32(SIC_IWR1, iwr1); | ||
65 | bfin_write32(SIC_IWR2, iwr2); | ||
66 | hard_local_irq_restore(flags); | ||
67 | } | ||
68 | |||
69 | #endif /* _MACH_PLL_H */ | ||