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/*
* (C) Copyright 2000-2005
* 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.
*
* 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
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/io.h>
long int spd_sdram(void);
int board_early_init_f(void)
{
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000010);
mtdcr(uicpr, 0xFFFF7FF0); /* set int polarities */
mtdcr(uictr, 0x00000010); /* set int trigger levels */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
/*
* Configure CPC0_PCI to enable PerWE as output
* and enable the internal PCI arbiter if selected
*/
if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
else
mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN);
return 0;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return (0);
}
/* -------------------------------------------------------------------------
initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
the necessary info for SDRAM controller configuration
------------------------------------------------------------------------- */
phys_size_t initdram(int board_type)
{
long int ret;
ret = spd_sdram();
return ret;
}
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