mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 00:18:51 +09:00
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
|
|
* (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);
|
|
}
|
|
|
|
/*
|
|
* sdram_init - Dummy implementation for start.S, spd_sdram used on this board!
|
|
*/
|
|
void sdram_init(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* -------------------------------------------------------------------------
|
|
initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
|
|
the necessary info for SDRAM controller configuration
|
|
------------------------------------------------------------------------- */
|
|
long int initdram(int board_type)
|
|
{
|
|
long int ret;
|
|
|
|
ret = spd_sdram();
|
|
return ret;
|
|
}
|
|
|
|
int testdram(void)
|
|
{
|
|
/* TODO: XXX XXX XXX */
|
|
printf("test: xxx MB - ok\n");
|
|
|
|
return (0);
|
|
}
|