Initial import

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h
new file mode 100644
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+++ b/arch/m68k/include/asm/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 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 */