Loading...
/****************************************************************************/ /* * 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 */ |