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1da177e4 LT |
1 | /****************************************************************************/ |
2 | ||
3 | /* | |
4 | * coldfire.h -- Motorola ColdFire CPU sepecific defines | |
5 | * | |
6 | * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) | |
7 | * (C) Copyright 2000, Lineo (www.lineo.com) | |
8 | */ | |
9 | ||
10 | /****************************************************************************/ | |
11 | #ifndef coldfire_h | |
12 | #define coldfire_h | |
13 | /****************************************************************************/ | |
14 | ||
15 | #include <linux/config.h> | |
16 | ||
17 | /* | |
18 | * Define the processor support peripherals base address. | |
19 | * This is generally setup by the boards start up code. | |
20 | */ | |
21 | #define MCF_MBAR 0x10000000 | |
22 | #define MCF_MBAR2 0x80000000 | |
23 | #define MCF_IPSBAR 0x40000000 | |
24 | ||
25 | #if defined(CONFIG_M527x) || defined(CONFIG_M528x) | |
26 | #undef MCF_MBAR | |
27 | #define MCF_MBAR MCF_IPSBAR | |
28 | #endif | |
29 | ||
30 | /* | |
31 | * Define master clock frequency. | |
32 | */ | |
33 | #if defined(CONFIG_CLOCK_11MHz) | |
34 | #define MCF_CLK 11289600 | |
35 | #elif defined(CONFIG_CLOCK_16MHz) | |
36 | #define MCF_CLK 16000000 | |
37 | #elif defined(CONFIG_CLOCK_20MHz) | |
38 | #define MCF_CLK 20000000 | |
39 | #elif defined(CONFIG_CLOCK_24MHz) | |
40 | #define MCF_CLK 24000000 | |
41 | #elif defined(CONFIG_CLOCK_25MHz) | |
42 | #define MCF_CLK 25000000 | |
43 | #elif defined(CONFIG_CLOCK_33MHz) | |
44 | #define MCF_CLK 33000000 | |
45 | #elif defined(CONFIG_CLOCK_40MHz) | |
46 | #define MCF_CLK 40000000 | |
47 | #elif defined(CONFIG_CLOCK_45MHz) | |
48 | #define MCF_CLK 45000000 | |
49 | #elif defined(CONFIG_CLOCK_48MHz) | |
50 | #define MCF_CLK 48000000 | |
51 | #elif defined(CONFIG_CLOCK_50MHz) | |
52 | #define MCF_CLK 50000000 | |
53 | #elif defined(CONFIG_CLOCK_54MHz) | |
54 | #define MCF_CLK 54000000 | |
55 | #elif defined(CONFIG_CLOCK_60MHz) | |
56 | #define MCF_CLK 60000000 | |
57 | #elif defined(CONFIG_CLOCK_64MHz) | |
58 | #define MCF_CLK 64000000 | |
59 | #elif defined(CONFIG_CLOCK_66MHz) | |
60 | #define MCF_CLK 66000000 | |
61 | #elif defined(CONFIG_CLOCK_70MHz) | |
62 | #define MCF_CLK 70000000 | |
63 | #elif defined(CONFIG_CLOCK_100MHz) | |
64 | #define MCF_CLK 100000000 | |
65 | #elif defined(CONFIG_CLOCK_140MHz) | |
66 | #define MCF_CLK 140000000 | |
67 | #elif defined(CONFIG_CLOCK_150MHz) | |
68 | #define MCF_CLK 150000000 | |
69 | #elif defined(CONFIG_CLOCK_166MHz) | |
70 | #define MCF_CLK 166000000 | |
71 | #else | |
72 | #error "Don't know what your ColdFire CPU clock frequency is??" | |
73 | #endif | |
74 | ||
75 | /* | |
76 | * One some ColdFire family members the bus clock (used by internal | |
77 | * peripherals) is not the same as the CPU clock. | |
78 | */ | |
79 | #if defined(CONFIG_M5249) || defined(CONFIG_M527x) | |
80 | #define MCF_BUSCLK (MCF_CLK / 2) | |
81 | #else | |
82 | #define MCF_BUSCLK MCF_CLK | |
83 | #endif | |
84 | ||
85 | /****************************************************************************/ | |
86 | #endif /* coldfire_h */ |