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Diffstat (limited to 'arch/m68k/include/asm/coldfire.h')
| -rw-r--r-- | arch/m68k/include/asm/coldfire.h | 49 |
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 index 000000000..50aa4dac9 --- /dev/null +++ b/arch/m68k/include/asm/coldfire.h @@ -0,0 +1,49 @@ +/****************************************************************************/ + +/* + * 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 */ |