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/*
* (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
*
* Copyright (C) 2006 Micronas GmbH
*
* 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 <command.h>
#include <asm/mipsregs.h>
#include "vct.h"
#if defined(CONFIG_VCT_PREMIUM)
#define BOARD_NAME "PremiumD"
#elif defined(CONFIG_VCT_PLATINUM)
#define BOARD_NAME "PlatinumD"
#elif defined(CONFIG_VCT_PLATINUMAVC)
#define BOARD_NAME "PlatinumAVC"
#else
#error "vct: No board variant defined!"
#endif
#if defined(CONFIG_VCT_ONENAND)
#define BOARD_NAME_ADD " OneNAND"
#else
#define BOARD_NAME_ADD " NOR"
#endif
int board_early_init_f(void)
{
/*
* First initialize the PIN mulitplexing
*/
vct_pin_mux_initialize();
/*
* Init the EBI very early so that FLASH can be accessed
*/
ebi_initialize();
return 0;
}
void _machine_restart(void)
{
reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
reg_write(WDT_TORR(WDT_BASE), 0x00);
reg_write(WDT_CR(WDT_BASE), 0x1D);
/*
* Now wait for the watchdog to trigger the reset
*/
udelay(1000000);
}
/*
* SDRAM is already configured by the bootstrap code, only return the
* auto-detected size here
*/
phys_size_t initdram(int board_type)
{
return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_MBYTES_SDRAM << 20);
}
int checkboard(void)
{
u32 config0 = read_c0_prid();
char *s = getenv("serial#");
if ((config0 & 0xff0000) == PRID_COMP_LEGACY
&& (config0 & 0xff00) == PRID_IMP_LX4280) {
puts("Board: MDED \n");
printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n",
(config0 >> 8) & 0xFF, config0 & 0xFF);
} else if ((config0 & 0xff0000) == PRID_COMP_MIPS
&& (config0 & 0xff00) == PRID_IMP_VGC) {
u32 jedec_id = *((u32 *) 0xBEBC71A0);
if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
puts("Board: VGCA \n");
} else if ((((jedec_id) >> 12) & 0xFF) == 0x48
|| (((jedec_id) >> 12) & 0xFF) == 0x49) {
puts("Board: VGCB \n");
}
printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n",
(config0 >> 8) & 0xFF, config0 & 0xFF);
} else if (config0 == 0x19378) {
printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n",
(config0 >> 8) & 0xFF, config0 & 0xFF);
} else {
printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
config0);
}
printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return 0;
}
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