diff options
| -rw-r--r-- | include/asm-m68knommu/coldfire.h | 76 |
1 files changed, 17 insertions, 59 deletions
diff --git a/include/asm-m68knommu/coldfire.h b/include/asm-m68knommu/coldfire.h index 2fabca91df83..83a9fa4e618a 100644 --- a/include/asm-m68knommu/coldfire.h +++ b/include/asm-m68knommu/coldfire.h | |||
| @@ -3,7 +3,7 @@ | |||
| 3 | /* | 3 | /* |
| 4 | * coldfire.h -- Motorola ColdFire CPU sepecific defines | 4 | * coldfire.h -- Motorola ColdFire CPU sepecific defines |
| 5 | * | 5 | * |
| 6 | * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) | 6 | * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com) |
| 7 | * (C) Copyright 2000, Lineo (www.lineo.com) | 7 | * (C) Copyright 2000, Lineo (www.lineo.com) |
| 8 | */ | 8 | */ |
| 9 | 9 | ||
| @@ -14,6 +14,19 @@ | |||
| 14 | 14 | ||
| 15 | 15 | ||
| 16 | /* | 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 | /* | ||
| 17 | * Define the processor support peripherals base address. | 30 | * Define the processor support peripherals base address. |
| 18 | * This is generally setup by the boards start up code. | 31 | * This is generally setup by the boards start up code. |
| 19 | */ | 32 | */ |
| @@ -29,64 +42,9 @@ | |||
| 29 | defined(CONFIG_M520x) | 42 | defined(CONFIG_M520x) |
| 30 | #undef MCF_MBAR | 43 | #undef MCF_MBAR |
| 31 | #define MCF_MBAR MCF_IPSBAR | 44 | #define MCF_MBAR MCF_IPSBAR |
| 32 | #endif | 45 | #elif defined(CONFIG_M532x) |
| 33 | 46 | #undef MCF_MBAR | |
| 34 | /* | 47 | #define MCF_MBAR 0x00000000 |
| 35 | * Define master clock frequency. | ||
| 36 | */ | ||
| 37 | #if defined(CONFIG_CLOCK_11MHz) | ||
| 38 | #define MCF_CLK 11289600 | ||
| 39 | #elif defined(CONFIG_CLOCK_16MHz) | ||
| 40 | #define MCF_CLK 16000000 | ||
| 41 | #elif defined(CONFIG_CLOCK_20MHz) | ||
| 42 | #define MCF_CLK 20000000 | ||
| 43 | #elif defined(CONFIG_CLOCK_24MHz) | ||
| 44 | #define MCF_CLK 24000000 | ||
| 45 | #elif defined(CONFIG_CLOCK_25MHz) | ||
| 46 | #define MCF_CLK 25000000 | ||
| 47 | #elif defined(CONFIG_CLOCK_33MHz) | ||
| 48 | #define MCF_CLK 33000000 | ||
| 49 | #elif defined(CONFIG_CLOCK_40MHz) | ||
| 50 | #define MCF_CLK 40000000 | ||
| 51 | #elif defined(CONFIG_CLOCK_45MHz) | ||
| 52 | #define MCF_CLK 45000000 | ||
| 53 | #elif defined(CONFIG_CLOCK_48MHz) | ||
| 54 | #define MCF_CLK 48000000 | ||
| 55 | #elif defined(CONFIG_CLOCK_50MHz) | ||
| 56 | #define MCF_CLK 50000000 | ||
| 57 | #elif defined(CONFIG_CLOCK_54MHz) | ||
| 58 | #define MCF_CLK 54000000 | ||
| 59 | #elif defined(CONFIG_CLOCK_60MHz) | ||
| 60 | #define MCF_CLK 60000000 | ||
| 61 | #elif defined(CONFIG_CLOCK_62_5MHz) | ||
| 62 | #define MCF_CLK 62500000 | ||
| 63 | #elif defined(CONFIG_CLOCK_64MHz) | ||
| 64 | #define MCF_CLK 64000000 | ||
| 65 | #elif defined(CONFIG_CLOCK_66MHz) | ||
| 66 | #define MCF_CLK 66000000 | ||
| 67 | #elif defined(CONFIG_CLOCK_70MHz) | ||
| 68 | #define MCF_CLK 70000000 | ||
| 69 | #elif defined(CONFIG_CLOCK_100MHz) | ||
| 70 | #define MCF_CLK 100000000 | ||
| 71 | #elif defined(CONFIG_CLOCK_140MHz) | ||
| 72 | #define MCF_CLK 140000000 | ||
| 73 | #elif defined(CONFIG_CLOCK_150MHz) | ||
| 74 | #define MCF_CLK 150000000 | ||
| 75 | #elif defined(CONFIG_CLOCK_166MHz) | ||
| 76 | #define MCF_CLK 166000000 | ||
| 77 | #else | ||
| 78 | #error "Don't know what your ColdFire CPU clock frequency is??" | ||
| 79 | #endif | ||
| 80 | |||
| 81 | /* | ||
| 82 | * One some ColdFire family members the bus clock (used by internal | ||
| 83 | * peripherals) is not the same as the CPU clock. | ||
| 84 | */ | ||
| 85 | #if defined(CONFIG_M523x) || defined(CONFIG_M5249) || defined(CONFIG_M527x) || \ | ||
| 86 | defined(CONFIG_M520x) | ||
| 87 | #define MCF_BUSCLK (MCF_CLK / 2) | ||
| 88 | #else | ||
| 89 | #define MCF_BUSCLK MCF_CLK | ||
| 90 | #endif | 48 | #endif |
| 91 | 49 | ||
| 92 | /****************************************************************************/ | 50 | /****************************************************************************/ |