mirror of
https://github.com/torvalds/linux.git
synced 2024-12-15 07:33:56 +00:00
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/****************************************************************************/
|
|
|
|
/*
|
|
* coldfire.h -- Motorola ColdFire CPU sepecific defines
|
|
*
|
|
* (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
|
|
* (C) Copyright 2000, Lineo (www.lineo.com)
|
|
*/
|
|
|
|
/****************************************************************************/
|
|
#ifndef coldfire_h
|
|
#define coldfire_h
|
|
/****************************************************************************/
|
|
|
|
|
|
/*
|
|
* 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
|
|
#endif
|
|
|
|
/*
|
|
* Define master clock frequency.
|
|
*/
|
|
#if defined(CONFIG_CLOCK_11MHz)
|
|
#define MCF_CLK 11289600
|
|
#elif defined(CONFIG_CLOCK_16MHz)
|
|
#define MCF_CLK 16000000
|
|
#elif defined(CONFIG_CLOCK_20MHz)
|
|
#define MCF_CLK 20000000
|
|
#elif defined(CONFIG_CLOCK_24MHz)
|
|
#define MCF_CLK 24000000
|
|
#elif defined(CONFIG_CLOCK_25MHz)
|
|
#define MCF_CLK 25000000
|
|
#elif defined(CONFIG_CLOCK_33MHz)
|
|
#define MCF_CLK 33000000
|
|
#elif defined(CONFIG_CLOCK_40MHz)
|
|
#define MCF_CLK 40000000
|
|
#elif defined(CONFIG_CLOCK_45MHz)
|
|
#define MCF_CLK 45000000
|
|
#elif defined(CONFIG_CLOCK_48MHz)
|
|
#define MCF_CLK 48000000
|
|
#elif defined(CONFIG_CLOCK_50MHz)
|
|
#define MCF_CLK 50000000
|
|
#elif defined(CONFIG_CLOCK_54MHz)
|
|
#define MCF_CLK 54000000
|
|
#elif defined(CONFIG_CLOCK_60MHz)
|
|
#define MCF_CLK 60000000
|
|
#elif defined(CONFIG_CLOCK_62_5MHz)
|
|
#define MCF_CLK 62500000
|
|
#elif defined(CONFIG_CLOCK_64MHz)
|
|
#define MCF_CLK 64000000
|
|
#elif defined(CONFIG_CLOCK_66MHz)
|
|
#define MCF_CLK 66000000
|
|
#elif defined(CONFIG_CLOCK_70MHz)
|
|
#define MCF_CLK 70000000
|
|
#elif defined(CONFIG_CLOCK_100MHz)
|
|
#define MCF_CLK 100000000
|
|
#elif defined(CONFIG_CLOCK_140MHz)
|
|
#define MCF_CLK 140000000
|
|
#elif defined(CONFIG_CLOCK_150MHz)
|
|
#define MCF_CLK 150000000
|
|
#elif defined(CONFIG_CLOCK_166MHz)
|
|
#define MCF_CLK 166000000
|
|
#else
|
|
#error "Don't know what your ColdFire CPU clock frequency is??"
|
|
#endif
|
|
|
|
/*
|
|
* One some ColdFire family members the bus clock (used by internal
|
|
* peripherals) is not the same as the CPU clock.
|
|
*/
|
|
#if defined(CONFIG_M523x) || defined(CONFIG_M5249) || defined(CONFIG_M527x) || \
|
|
defined(CONFIG_M520x)
|
|
#define MCF_BUSCLK (MCF_CLK / 2)
|
|
#else
|
|
#define MCF_BUSCLK MCF_CLK
|
|
#endif
|
|
|
|
/****************************************************************************/
|
|
#endif /* coldfire_h */
|