| /****************************************************************************/ |
| |
| /* |
| * coldfire.h -- Motorola ColdFire CPU sepecific defines |
| * |
| * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com) |
| * (C) Copyright 2000, Lineo (www.lineo.com) |
| */ |
| |
| /****************************************************************************/ |
| #ifndef coldfire_h |
| #define coldfire_h |
| /****************************************************************************/ |
| |
| |
| /* |
| * Define master clock frequency. This is essentially done at config |
| * time now. No point enumerating dozens of possible clock options |
| * here. Also the peripheral clock (bus clock) divide ratio is set |
| * at config time too. |
| */ |
| #ifdef CONFIG_CLOCK_SET |
| #define MCF_CLK CONFIG_CLOCK_FREQ |
| #define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV) |
| #else |
| #error "Don't know what your ColdFire CPU clock frequency is??" |
| #endif |
| |
| /* |
| * 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 |
| #if defined(CONFIG_M520x) |
| #define MCF_IPSBAR 0xFC000000 |
| #else |
| #define MCF_IPSBAR 0x40000000 |
| #endif |
| |
| #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ |
| defined(CONFIG_M520x) |
| #undef MCF_MBAR |
| #define MCF_MBAR MCF_IPSBAR |
| #elif defined(CONFIG_M532x) |
| #undef MCF_MBAR |
| #define MCF_MBAR 0x00000000 |
| #endif |
| |
| /****************************************************************************/ |
| #endif /* coldfire_h */ |
