1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************/ 3 4 /* 5 * coldfire.h -- Motorola ColdFire CPU sepecific defines 6 * 7 * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com) 8 * (C) Copyright 2000, Lineo (www.lineo.com) 9 */ 10 11 /****************************************************************************/ 12 #ifndef coldfire_h 13 #define coldfire_h 14 /****************************************************************************/ 15 16 17 /* 18 * Define master clock frequency. This is done at config time now. 19 * No point enumerating dozens of possible clock options here. And 20 * in any case new boards come along from time to time that have yet 21 * another different clocking frequency. 22 */ 23 #ifdef CONFIG_CLOCK_FREQ 24 #define MCF_CLK CONFIG_CLOCK_FREQ 25 #else 26 #error "Don't know what your ColdFire CPU clock frequency is??" 27 #endif 28 29 /* 30 * Define the processor internal peripherals base address. 31 * 32 * The majority of ColdFire parts use an MBAR register to set 33 * the base address. Some have an IPSBAR register instead, and it 34 * has slightly different rules on its size and alignment. Some 35 * parts have fixed addresses and the internal peripherals cannot 36 * be relocated in the CPU address space. 37 * 38 * The value of MBAR or IPSBAR is config time selectable, we no 39 * longer hard define it here. No MBAR or IPSBAR will be defined if 40 * this part has a fixed peripheral address map. 41 */ 42 #ifdef CONFIG_MBAR 43 #define MCF_MBAR CONFIG_MBAR 44 #endif 45 #ifdef CONFIG_IPSBAR 46 #define MCF_IPSBAR CONFIG_IPSBAR 47 #endif 48 49 /****************************************************************************/ 50 #endif /* coldfire_h */