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Diffstat (limited to 'include/asm-m68knommu/mcfpit.h')
-rw-r--r-- | include/asm-m68knommu/mcfpit.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/asm-m68knommu/mcfpit.h b/include/asm-m68knommu/mcfpit.h new file mode 100644 index 000000000000..4cc2e9fd6ad0 --- /dev/null +++ b/include/asm-m68knommu/mcfpit.h | |||
@@ -0,0 +1,63 @@ | |||
1 | /****************************************************************************/ | ||
2 | |||
3 | /* | ||
4 | * mcfpit.h -- ColdFire internal PIT timer support defines. | ||
5 | * | ||
6 | * (C) Copyright 2003, Greg Ungerer (gerg@snapgear.com) | ||
7 | */ | ||
8 | |||
9 | /****************************************************************************/ | ||
10 | #ifndef mcfpit_h | ||
11 | #define mcfpit_h | ||
12 | /****************************************************************************/ | ||
13 | |||
14 | #include <linux/config.h> | ||
15 | |||
16 | /* | ||
17 | * Get address specific defines for the 5270/5271 and 5280/5282. | ||
18 | */ | ||
19 | #define MCFPIT_BASE1 0x00150000 /* Base address of TIMER1 */ | ||
20 | #define MCFPIT_BASE2 0x00160000 /* Base address of TIMER2 */ | ||
21 | #define MCFPIT_BASE3 0x00170000 /* Base address of TIMER3 */ | ||
22 | #define MCFPIT_BASE4 0x00180000 /* Base address of TIMER4 */ | ||
23 | |||
24 | |||
25 | /* | ||
26 | * Define the PIT timer register set addresses. | ||
27 | */ | ||
28 | struct mcfpit { | ||
29 | unsigned short pcsr; /* PIT control and status */ | ||
30 | unsigned short pmr; /* PIT modulus register */ | ||
31 | unsigned short pcntr; /* PIT count register */ | ||
32 | } __attribute__((packed)); | ||
33 | |||
34 | /* | ||
35 | * Bit definitions for the PIT Control and Status register. | ||
36 | */ | ||
37 | #define MCFPIT_PCSR_CLK1 0x0000 /* System clock divisor */ | ||
38 | #define MCFPIT_PCSR_CLK2 0x0100 /* System clock divisor */ | ||
39 | #define MCFPIT_PCSR_CLK4 0x0200 /* System clock divisor */ | ||
40 | #define MCFPIT_PCSR_CLK8 0x0300 /* System clock divisor */ | ||
41 | #define MCFPIT_PCSR_CLK16 0x0400 /* System clock divisor */ | ||
42 | #define MCFPIT_PCSR_CLK32 0x0500 /* System clock divisor */ | ||
43 | #define MCFPIT_PCSR_CLK64 0x0600 /* System clock divisor */ | ||
44 | #define MCFPIT_PCSR_CLK128 0x0700 /* System clock divisor */ | ||
45 | #define MCFPIT_PCSR_CLK256 0x0800 /* System clock divisor */ | ||
46 | #define MCFPIT_PCSR_CLK512 0x0900 /* System clock divisor */ | ||
47 | #define MCFPIT_PCSR_CLK1024 0x0a00 /* System clock divisor */ | ||
48 | #define MCFPIT_PCSR_CLK2048 0x0b00 /* System clock divisor */ | ||
49 | #define MCFPIT_PCSR_CLK4096 0x0c00 /* System clock divisor */ | ||
50 | #define MCFPIT_PCSR_CLK8192 0x0d00 /* System clock divisor */ | ||
51 | #define MCFPIT_PCSR_CLK16384 0x0e00 /* System clock divisor */ | ||
52 | #define MCFPIT_PCSR_CLK32768 0x0f00 /* System clock divisor */ | ||
53 | #define MCFPIT_PCSR_DOZE 0x0040 /* Clock run in doze mode */ | ||
54 | #define MCFPIT_PCSR_HALTED 0x0020 /* Clock run in halt mode */ | ||
55 | #define MCFPIT_PCSR_OVW 0x0010 /* Overwrite PIT counter now */ | ||
56 | #define MCFPIT_PCSR_PIE 0x0008 /* Enable PIT interrupt */ | ||
57 | #define MCFPIT_PCSR_PIF 0x0004 /* PIT interrupt flag */ | ||
58 | #define MCFPIT_PCSR_RLD 0x0002 /* Reload counter */ | ||
59 | #define MCFPIT_PCSR_EN 0x0001 /* Enable PIT */ | ||
60 | #define MCFPIT_PCSR_DISABLE 0x0000 /* Disable PIT */ | ||
61 | |||
62 | /****************************************************************************/ | ||
63 | #endif /* mcfpit_h */ | ||