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/*
* Copyright (C) 2003, Greg Watson <gwatson@lanl.gov>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Do very early board initialization:
*
* - Configure External Bus (EBC)
* - Setup Flash
* - Setup NVRTC
* - Setup Board Control and Status Registers (BCSR)
* - Enable UART0 for debugging
*/
#include <ppc_asm.tmpl>
#include <ppc.h>
#include <ppc4xx.h>
#include <arch/io.h>
#include <timer.h>
void
board_init(void)
{
/*
* Configure FLASH
*/
mtebc(pb0cr, 0xFC0DC000);
mtebc(pb0ap, 0x02000000);
/*
* Configure NVTRC/BCSR
*/
mtebc(pb4cr, 0xF4058000);
mtebc(pb4ap, 0x04050000);
/*
* Enable FLASH, NVRAM, POR
*/
out_8(0x9C, 0xF4000002);
/*
* Enable UART0
*/
out_8(0x20, 0xF4000003);
/*
* Cycle LEDs to show something is happening...
*/
out_8(0x07, 0xF4000009);
udelay(100000);
out_8(0x0B, 0xF4000009);
udelay(100000);
out_8(0x0D, 0xF4000009);
udelay(100000);
out_8(0x0E, 0xF4000009);
}
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