| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Greg Ungerer | 1bdd89d | 2005-09-09 09:32:14 +1000 | [diff] [blame] | 25 | #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| Greg Ungerer | 1bdd89d | 2005-09-09 09:32:14 +1000 | [diff] [blame] | 57 | #elif defined(CONFIG_CLOCK_62_5MHz) |
| 58 | #define MCF_CLK 62500000 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | #elif defined(CONFIG_CLOCK_64MHz) |
| 60 | #define MCF_CLK 64000000 |
| 61 | #elif defined(CONFIG_CLOCK_66MHz) |
| 62 | #define MCF_CLK 66000000 |
| 63 | #elif defined(CONFIG_CLOCK_70MHz) |
| 64 | #define MCF_CLK 70000000 |
| 65 | #elif defined(CONFIG_CLOCK_100MHz) |
| 66 | #define MCF_CLK 100000000 |
| 67 | #elif defined(CONFIG_CLOCK_140MHz) |
| 68 | #define MCF_CLK 140000000 |
| 69 | #elif defined(CONFIG_CLOCK_150MHz) |
| 70 | #define MCF_CLK 150000000 |
| 71 | #elif defined(CONFIG_CLOCK_166MHz) |
| 72 | #define MCF_CLK 166000000 |
| 73 | #else |
| 74 | #error "Don't know what your ColdFire CPU clock frequency is??" |
| 75 | #endif |
| 76 | |
| 77 | /* |
| 78 | * One some ColdFire family members the bus clock (used by internal |
| 79 | * peripherals) is not the same as the CPU clock. |
| 80 | */ |
| Greg Ungerer | 1bdd89d | 2005-09-09 09:32:14 +1000 | [diff] [blame] | 81 | #if defined(CONFIG_M523x) || defined(CONFIG_M5249) || defined(CONFIG_M527x) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | #define MCF_BUSCLK (MCF_CLK / 2) |
| 83 | #else |
| 84 | #define MCF_BUSCLK MCF_CLK |
| 85 | #endif |
| 86 | |
| 87 | /****************************************************************************/ |
| 88 | #endif /* coldfire_h */ |