coldfire.h

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

/*
 *  coldfire.h -- Motorola ColdFire CPU sepecific defines
 *
 *  (C) Copyright 1999-2006, Greg Ungerer ([email protected])
 *  (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_SET
#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 */