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/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <common.h>
#include <mach/mpc5xxx.h>
#include <types.h>
/*
* Breath some life into the CPU...
*
* initialize a bunch of registers.
*/
int cpu_init(void)
{
/* enable timebase */
*(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 13);
/* Enable snooping for RAM */
*(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 15);
*(vu_long *)(MPC5XXX_XLBARB + 0x70) = 0 | 0x1d;
/* Configure the XLB Arbiter */
*(vu_long *)MPC5XXX_XLBARB_MPRIEN = 0xff;
*(vu_long *)MPC5XXX_XLBARB_MPRIVAL = 0x11111111;
/* mask all interrupts */
*(vu_long *)MPC5XXX_ICTL_PER_MASK = 0xffffff00;
*(vu_long *)MPC5XXX_ICTL_CRIT |= 0x0001ffff;
*(vu_long *)MPC5XXX_ICTL_EXT &= ~0x00000f00;
/* route critical ints to normal ints */
*(vu_long *)MPC5XXX_ICTL_EXT |= 0x00000001;
return 0;
}
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