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Quelle coldfire.h Sprache: C |
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/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************/ /* * 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 done at config time now. * No point enumerating dozens of possible clock options here. And * in any case new boards come along from time to time that have yet * another different clocking frequency. */ #ifdef CONFIG_CLOCK_FREQ #define MCF_CLK CONFIG_CLOCK_FREQ #else #error "Don't know what your ColdFire CPU clock frequency is??" #endif /* * Define the processor internal peripherals base address. * * The majority of ColdFire parts use an MBAR register to set * the base address. Some have an IPSBAR register instead, and it * has slightly different rules on its size and alignment. Some * parts have fixed addresses and the internal peripherals cannot * be relocated in the CPU address space. * * The value of MBAR or IPSBAR is config time selectable, we no * longer hard define it here. No MBAR or IPSBAR will be defined if * this part has a fixed peripheral address map. */ #ifdef CONFIG_MBAR #define MCF_MBAR CONFIG_MBAR #endif #ifdef CONFIG_IPSBAR #define MCF_IPSBAR CONFIG_IPSBAR #endif /****************************************************************************/ #endif /* coldfire_h */
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2026-10-11