coldfire.h
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/****************************************************************************/
/*
* 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 */