mirror of
https://github.com/AsahiLinux/u-boot
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117 lines
3 KiB
C
117 lines
3 KiB
C
/*
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* (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
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*
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* Copyright (C) 2006 Micronas GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/mipsregs.h>
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#include "vct.h"
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#if defined(CONFIG_VCT_PREMIUM)
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#define BOARD_NAME "PremiumD"
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#elif defined(CONFIG_VCT_PLATINUM)
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#define BOARD_NAME "PlatinumD"
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#elif defined(CONFIG_VCT_PLATINUMAVC)
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#define BOARD_NAME "PlatinumAVC"
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#else
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#error "vct: No board variant defined!"
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#endif
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#if defined(CONFIG_VCT_ONENAND)
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#define BOARD_NAME_ADD " OneNAND"
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#else
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#define BOARD_NAME_ADD " NOR"
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#endif
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int board_early_init_f(void)
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{
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/*
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* First initialize the PIN mulitplexing
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*/
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vct_pin_mux_initialize();
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/*
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* Init the EBI very early so that FLASH can be accessed
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*/
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ebi_initialize();
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return 0;
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}
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void _machine_restart(void)
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{
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reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
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reg_write(WDT_TORR(WDT_BASE), 0x00);
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reg_write(WDT_CR(WDT_BASE), 0x1D);
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/*
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* Now wait for the watchdog to trigger the reset
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*/
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udelay(1000000);
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}
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/*
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* SDRAM is already configured by the bootstrap code, only return the
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* auto-detected size here
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*/
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phys_size_t initdram(int board_type)
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{
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return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_MBYTES_SDRAM << 20);
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}
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int checkboard(void)
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{
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u32 config0 = read_c0_prid();
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char *s = getenv("serial#");
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if ((config0 & 0xff0000) == PRID_COMP_LEGACY
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&& (config0 & 0xff00) == PRID_IMP_LX4280) {
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puts("Board: MDED \n");
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printf("CPU: LX4280 id: 0x%02x, rev: 0x%02x\n",
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(config0 >> 8) & 0xFF, config0 & 0xFF);
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} else if ((config0 & 0xff0000) == PRID_COMP_MIPS
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&& (config0 & 0xff00) == PRID_IMP_VGC) {
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u32 jedec_id = *((u32 *) 0xBEBC71A0);
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if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
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puts("Board: VGCA \n");
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} else if ((((jedec_id) >> 12) & 0xFF) == 0x48
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|| (((jedec_id) >> 12) & 0xFF) == 0x49) {
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puts("Board: VGCB \n");
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}
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printf("CPU: MIPS 4K id: 0x%02x, rev: 0x%02x\n",
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(config0 >> 8) & 0xFF, config0 & 0xFF);
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} else if (config0 == 0x19378) {
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printf("CPU: MIPS 24K id: 0x%02x, rev: 0x%02x\n",
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(config0 >> 8) & 0xFF, config0 & 0xFF);
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} else {
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printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
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config0);
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}
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printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
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if (s != NULL) {
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puts(", serial# ");
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puts(s);
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}
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putc('\n');
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return 0;
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}
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