Linux 2.6.12-rc6
[cris-mirror.git] / include / asm-m68knommu / coldfire.h
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1 /****************************************************************************/
3 /*
4 * coldfire.h -- Motorola ColdFire CPU sepecific defines
6 * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
7 * (C) Copyright 2000, Lineo (www.lineo.com)
8 */
10 /****************************************************************************/
11 #ifndef coldfire_h
12 #define coldfire_h
13 /****************************************************************************/
15 #include <linux/config.h>
18 * Define the processor support peripherals base address.
19 * This is generally setup by the boards start up code.
21 #define MCF_MBAR 0x10000000
22 #define MCF_MBAR2 0x80000000
23 #define MCF_IPSBAR 0x40000000
25 #if defined(CONFIG_M527x) || defined(CONFIG_M528x)
26 #undef MCF_MBAR
27 #define MCF_MBAR MCF_IPSBAR
28 #endif
31 * Define master clock frequency.
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
76 * One some ColdFire family members the bus clock (used by internal
77 * peripherals) is not the same as the CPU clock.
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
85 /****************************************************************************/
86 #endif /* coldfire_h */