projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /****************************************************************************/ |
| 2 | ||
| 3 | /* | |
| 4 | * coldfire.h -- Motorola ColdFire CPU sepecific defines | |
| 5 | * | |
| 31f4fde3 | 6 | * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com) |
| 1da177e4 LT |
7 | * (C) Copyright 2000, Lineo (www.lineo.com) |
| 8 | */ | |
| 9 | ||
| 10 | /****************************************************************************/ | |
| 11 | #ifndef coldfire_h | |
| 12 | #define coldfire_h | |
| 13 | /****************************************************************************/ | |
| 14 | ||
| 1da177e4 | 15 | |
| 31f4fde3 GU |
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 | ||
| 1da177e4 LT |
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 | |
| 7ee2cf5f GU |
35 | #if defined(CONFIG_M520x) |
| 36 | #define MCF_IPSBAR 0xFC000000 | |
| 37 | #else | |
| 1da177e4 | 38 | #define MCF_IPSBAR 0x40000000 |
| 7ee2cf5f | 39 | #endif |
| 1da177e4 | 40 | |
| 7ee2cf5f GU |
41 | #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ |
| 42 | defined(CONFIG_M520x) | |
| 1da177e4 LT |
43 | #undef MCF_MBAR |
| 44 | #define MCF_MBAR MCF_IPSBAR | |
| 31f4fde3 GU |
45 | #elif defined(CONFIG_M532x) |
| 46 | #undef MCF_MBAR | |
| 47 | #define MCF_MBAR 0x00000000 | |
| 1da177e4 LT |
48 | #endif |
| 49 | ||
| 50 | /****************************************************************************/ | |
| 51 | #endif /* coldfire_h */ |