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coldfire.h

/****************************************************************************/

/*
 *    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 */

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