diff options
Diffstat (limited to 'arch/m68knommu/include/asm/coldfire.h')
-rw-r--r-- | arch/m68knommu/include/asm/coldfire.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/m68knommu/include/asm/coldfire.h b/arch/m68knommu/include/asm/coldfire.h new file mode 100644 index 000000000000..83a9fa4e618a --- /dev/null +++ b/arch/m68knommu/include/asm/coldfire.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /****************************************************************************/ | ||
2 | |||
3 | /* | ||
4 | * coldfire.h -- Motorola ColdFire CPU sepecific defines | ||
5 | * | ||
6 | * (C) Copyright 1999-2006, 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 | |||
16 | /* | ||
17 | * Define master clock frequency. This is essentially done at config | ||
18 | * time now. No point enumerating dozens of possible clock options | ||
19 | * here. Also the peripheral clock (bus clock) divide ratio is set | ||
20 | * at config time too. | ||
21 | */ | ||
22 | #ifdef CONFIG_CLOCK_SET | ||
23 | #define MCF_CLK CONFIG_CLOCK_FREQ | ||
24 | #define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV) | ||
25 | #else | ||
26 | #error "Don't know what your ColdFire CPU clock frequency is??" | ||
27 | #endif | ||
28 | |||
29 | /* | ||
30 | * Define the processor support peripherals base address. | ||
31 | * This is generally setup by the boards start up code. | ||
32 | */ | ||
33 | #define MCF_MBAR 0x10000000 | ||
34 | #define MCF_MBAR2 0x80000000 | ||
35 | #if defined(CONFIG_M520x) | ||
36 | #define MCF_IPSBAR 0xFC000000 | ||
37 | #else | ||
38 | #define MCF_IPSBAR 0x40000000 | ||
39 | #endif | ||
40 | |||
41 | #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ | ||
42 | defined(CONFIG_M520x) | ||
43 | #undef MCF_MBAR | ||
44 | #define MCF_MBAR MCF_IPSBAR | ||
45 | #elif defined(CONFIG_M532x) | ||
46 | #undef MCF_MBAR | ||
47 | #define MCF_MBAR 0x00000000 | ||
48 | #endif | ||
49 | |||
50 | /****************************************************************************/ | ||
51 | #endif /* coldfire_h */ | ||