diff options
author | David Howells <dhowells@redhat.com> | 2010-10-07 09:08:49 -0400 |
---|---|---|
committer | David Howells <dhowells@redhat.com> | 2010-10-07 09:08:49 -0400 |
commit | 3dcc1e7f9fd48f20beefd41a684cd471a96565c5 (patch) | |
tree | 02ab916ad68feafdbd3fa5013958c9f4ec6f8457 /arch/blackfin/mach-bf527/include/mach | |
parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) |
Blackfin: Split PLL code from mach-specific cdef headers
Split the PLL control code from the Blackfin machine-specific cdef headers so
that the irqflags functions can be renamed without incurring a header loop.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/blackfin/mach-bf527/include/mach')
-rw-r--r-- | arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h | 50 | ||||
-rw-r--r-- | arch/blackfin/mach-bf527/include/mach/pll.h | 63 |
2 files changed, 63 insertions, 50 deletions
diff --git a/arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h index 12f2ad45314e..11fb27bc427d 100644 --- a/arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h +++ b/arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h | |||
@@ -1110,54 +1110,4 @@ | |||
1110 | /* These need to be last due to the cdef/linux inter-dependencies */ | 1110 | /* These need to be last due to the cdef/linux inter-dependencies */ |
1111 | #include <asm/irq.h> | 1111 | #include <asm/irq.h> |
1112 | 1112 | ||
1113 | /* Writing to PLL_CTL initiates a PLL relock sequence. */ | ||
1114 | static __inline__ void bfin_write_PLL_CTL(unsigned int val) | ||
1115 | { | ||
1116 | unsigned long flags, iwr0, iwr1; | ||
1117 | |||
1118 | if (val == bfin_read_PLL_CTL()) | ||
1119 | return; | ||
1120 | |||
1121 | local_irq_save_hw(flags); | ||
1122 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
1123 | iwr0 = bfin_read32(SIC_IWR0); | ||
1124 | iwr1 = bfin_read32(SIC_IWR1); | ||
1125 | /* Only allow PPL Wakeup) */ | ||
1126 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
1127 | bfin_write32(SIC_IWR1, 0); | ||
1128 | |||
1129 | bfin_write16(PLL_CTL, val); | ||
1130 | SSYNC(); | ||
1131 | asm("IDLE;"); | ||
1132 | |||
1133 | bfin_write32(SIC_IWR0, iwr0); | ||
1134 | bfin_write32(SIC_IWR1, iwr1); | ||
1135 | local_irq_restore_hw(flags); | ||
1136 | } | ||
1137 | |||
1138 | /* Writing to VR_CTL initiates a PLL relock sequence. */ | ||
1139 | static __inline__ void bfin_write_VR_CTL(unsigned int val) | ||
1140 | { | ||
1141 | unsigned long flags, iwr0, iwr1; | ||
1142 | |||
1143 | if (val == bfin_read_VR_CTL()) | ||
1144 | return; | ||
1145 | |||
1146 | local_irq_save_hw(flags); | ||
1147 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
1148 | iwr0 = bfin_read32(SIC_IWR0); | ||
1149 | iwr1 = bfin_read32(SIC_IWR1); | ||
1150 | /* Only allow PPL Wakeup) */ | ||
1151 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
1152 | bfin_write32(SIC_IWR1, 0); | ||
1153 | |||
1154 | bfin_write16(VR_CTL, val); | ||
1155 | SSYNC(); | ||
1156 | asm("IDLE;"); | ||
1157 | |||
1158 | bfin_write32(SIC_IWR0, iwr0); | ||
1159 | bfin_write32(SIC_IWR1, iwr1); | ||
1160 | local_irq_restore_hw(flags); | ||
1161 | } | ||
1162 | |||
1163 | #endif /* _CDEF_BF52X_H */ | 1113 | #endif /* _CDEF_BF52X_H */ |
diff --git a/arch/blackfin/mach-bf527/include/mach/pll.h b/arch/blackfin/mach-bf527/include/mach/pll.h new file mode 100644 index 000000000000..a9105226a994 --- /dev/null +++ b/arch/blackfin/mach-bf527/include/mach/pll.h | |||
@@ -0,0 +1,63 @@ | |||
1 | /* | ||
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; | ||
17 | |||
18 | if (val == bfin_read_PLL_CTL()) | ||
19 | return; | ||
20 | |||
21 | local_irq_save_hw(flags); | ||
22 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
23 | iwr0 = bfin_read32(SIC_IWR0); | ||
24 | iwr1 = bfin_read32(SIC_IWR1); | ||
25 | /* Only allow PPL Wakeup) */ | ||
26 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
27 | bfin_write32(SIC_IWR1, 0); | ||
28 | |||
29 | bfin_write16(PLL_CTL, val); | ||
30 | SSYNC(); | ||
31 | asm("IDLE;"); | ||
32 | |||
33 | bfin_write32(SIC_IWR0, iwr0); | ||
34 | bfin_write32(SIC_IWR1, iwr1); | ||
35 | local_irq_restore_hw(flags); | ||
36 | } | ||
37 | |||
38 | /* Writing to VR_CTL initiates a PLL relock sequence. */ | ||
39 | static __inline__ void bfin_write_VR_CTL(unsigned int val) | ||
40 | { | ||
41 | unsigned long flags, iwr0, iwr1; | ||
42 | |||
43 | if (val == bfin_read_VR_CTL()) | ||
44 | return; | ||
45 | |||
46 | local_irq_save_hw(flags); | ||
47 | /* Enable the PLL Wakeup bit in SIC IWR */ | ||
48 | iwr0 = bfin_read32(SIC_IWR0); | ||
49 | iwr1 = bfin_read32(SIC_IWR1); | ||
50 | /* Only allow PPL Wakeup) */ | ||
51 | bfin_write32(SIC_IWR0, IWR_ENABLE(0)); | ||
52 | bfin_write32(SIC_IWR1, 0); | ||
53 | |||
54 | bfin_write16(VR_CTL, val); | ||
55 | SSYNC(); | ||
56 | asm("IDLE;"); | ||
57 | |||
58 | bfin_write32(SIC_IWR0, iwr0); | ||
59 | bfin_write32(SIC_IWR1, iwr1); | ||
60 | local_irq_restore_hw(flags); | ||
61 | } | ||
62 | |||
63 | #endif /* _MACH_PLL_H */ | ||