1 /****************************************************************************/ 2 3 /* 4 * coldfire.h -- Motorola ColdFire CPU sepecific defines 5 * 6 * (C) Copyright 1999-2006, 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 16 /* 17 * Define master clock frequency. This is done at config time now. 18 * No point enumerating dozens of possible clock options here. And 19 * in any case new boards come along from time to time that have yet 20 * another different clocking frequency. 21 */ 22 #ifdef CONFIG_CLOCK_SET 23 #define MCF_CLK CONFIG_CLOCK_FREQ 24 #else 25 #error "Don't know what your ColdFire CPU clock frequency is??" 26 #endif 27 28 /* 29 * Define the processor internal peripherals base address. 30 * 31 * The majority of ColdFire parts use an MBAR register to set 32 * the base address. Some have an IPSBAR register instead, and it 33 * has slightly different rules on its size and alignment. Some 34 * parts have fixed addresses and the internal peripherals cannot 35 * be relocated in the CPU address space. 36 * 37 * The value of MBAR or IPSBAR is config time selectable, we no 38 * longer hard define it here. No MBAR or IPSBAR will be defined if 39 * this part has a fixed peripheral address map. 40 */ 41 #ifdef CONFIG_MBAR 42 #define MCF_MBAR CONFIG_MBAR 43 #endif 44 #ifdef CONFIG_IPSBAR 45 #define MCF_IPSBAR CONFIG_IPSBAR 46 #endif 47 48 /****************************************************************************/ 49 #endif /* coldfire_h */ 50