| /****************************************************************************/ |
| |
| /* |
| * coldfire.h -- Motorola ColdFire CPU sepecific defines |
| * |
| * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) |
| * (C) Copyright 2000, Lineo (www.lineo.com) |
| */ |
| |
| /****************************************************************************/ |
| #ifndef coldfire_h |
| #define coldfire_h |
| /****************************************************************************/ |
| |
| #include <linux/config.h> |
| |
| /* |
| * Define the processor support peripherals base address. |
| * This is generally setup by the boards start up code. |
| */ |
| #define MCF_MBAR 0x10000000 |
| #define MCF_MBAR2 0x80000000 |
| #define MCF_IPSBAR 0x40000000 |
| |
| #if defined(CONFIG_M527x) || defined(CONFIG_M528x) |
| #undef MCF_MBAR |
| #define MCF_MBAR MCF_IPSBAR |
| #endif |
| |
| /* |
| * Define master clock frequency. |
| */ |
| #if defined(CONFIG_CLOCK_11MHz) |
| #define MCF_CLK 11289600 |
| #elif defined(CONFIG_CLOCK_16MHz) |
| #define MCF_CLK 16000000 |
| #elif defined(CONFIG_CLOCK_20MHz) |
| #define MCF_CLK 20000000 |
| #elif defined(CONFIG_CLOCK_24MHz) |
| #define MCF_CLK 24000000 |
| #elif defined(CONFIG_CLOCK_25MHz) |
| #define MCF_CLK 25000000 |
| #elif defined(CONFIG_CLOCK_33MHz) |
| #define MCF_CLK 33000000 |
| #elif defined(CONFIG_CLOCK_40MHz) |
| #define MCF_CLK 40000000 |
| #elif defined(CONFIG_CLOCK_45MHz) |
| #define MCF_CLK 45000000 |
| #elif defined(CONFIG_CLOCK_48MHz) |
| #define MCF_CLK 48000000 |
| #elif defined(CONFIG_CLOCK_50MHz) |
| #define MCF_CLK 50000000 |
| #elif defined(CONFIG_CLOCK_54MHz) |
| #define MCF_CLK 54000000 |
| #elif defined(CONFIG_CLOCK_60MHz) |
| #define MCF_CLK 60000000 |
| #elif defined(CONFIG_CLOCK_64MHz) |
| #define MCF_CLK 64000000 |
| #elif defined(CONFIG_CLOCK_66MHz) |
| #define MCF_CLK 66000000 |
| #elif defined(CONFIG_CLOCK_70MHz) |
| #define MCF_CLK 70000000 |
| #elif defined(CONFIG_CLOCK_100MHz) |
| #define MCF_CLK 100000000 |
| #elif defined(CONFIG_CLOCK_140MHz) |
| #define MCF_CLK 140000000 |
| #elif defined(CONFIG_CLOCK_150MHz) |
| #define MCF_CLK 150000000 |
| #elif defined(CONFIG_CLOCK_166MHz) |
| #define MCF_CLK 166000000 |
| #else |
| #error "Don't know what your ColdFire CPU clock frequency is??" |
| #endif |
| |
| /* |
| * One some ColdFire family members the bus clock (used by internal |
| * peripherals) is not the same as the CPU clock. |
| */ |
| #if defined(CONFIG_M5249) || defined(CONFIG_M527x) |
| #define MCF_BUSCLK (MCF_CLK / 2) |
| #else |
| #define MCF_BUSCLK MCF_CLK |
| #endif |
| |
| /****************************************************************************/ |
| #endif /* coldfire_h */ |
