mirror of
https://github.com/AsahiLinux/u-boot
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159 lines
3.3 KiB
C
159 lines
3.3 KiB
C
/*
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* (C) Copyright 2002
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* James F. Dougherty, Broadcom Corporation, jfd@broadcom.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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 <watchdog.h>
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#include <command.h>
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#include <malloc.h>
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#include <stdio_dev.h>
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#include <net.h>
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#include <timestamp.h>
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#include <dtt.h>
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#include <mpc824x.h>
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#include <asm/processor.h>
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#include <linux/mtd/doc2000.h>
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#include "bmw.h"
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#include "m48t59y.h"
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#include <pci.h>
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int checkboard(void)
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{
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ulong busfreq = get_bus_freq(0);
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char buf[32];
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puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n");
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printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
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/* printf("MPLD: Revision %d\n", SYS_REVID_GET()); */
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printf("Local Bus at %s MHz\n", strmhz(buf, busfreq));
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return 0;
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}
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phys_size_t initdram(int board_type)
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{
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return 64*1024*1024;
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}
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void
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get_tod(void)
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{
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int year, month, day, hour, minute, second;
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m48_tod_get(&year,
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&month,
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&day,
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&hour,
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&minute,
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&second);
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printf(" Current date/time: %d/%d/%d %d:%d:%d \n",
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month, day, year, hour, minute, second);
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}
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/*
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* EPIC, PCI, and I/O devices.
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* Initialize Mousse Platform, probe for PCI devices,
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* Query configuration parameters if not set.
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*/
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int misc_init_f (void)
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{
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#if 0
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m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */
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printf("RTC: M48T589 TOD/NVRAM (%d) bytes\n",
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TOD_NVRAM_SIZE);
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get_tod();
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#endif
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sys_led_msg("BOOT");
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return 0;
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}
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/*
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* Initialize PCI Devices, report devices found.
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*/
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struct pci_controller hose;
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void pci_init_board (void)
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{
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pci_mpc824x_init(&hose);
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/* pci_dev_init(0); */
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}
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/*
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* Write characters to LCD display.
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* Note that the bytes for the first character is the last address.
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*/
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void
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sys_led_msg(char* msg)
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{
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LED_REG(0) = msg[3];
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LED_REG(1) = msg[2];
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LED_REG(2) = msg[1];
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LED_REG(3) = msg[0];
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}
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#ifdef CONFIG_CMD_DOC
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/*
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* Map onboard TSOP-16MB DOC FLASH chip.
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*/
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void doc_init (void)
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{
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doc_probe(DOC_BASE_ADDR);
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}
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#endif
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#define NV_ADDR ((volatile unsigned char *) CONFIG_ENV_ADDR)
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/* Read from NVRAM */
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void*
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nvram_read(void *dest, const long src, size_t count)
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{
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int i;
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volatile unsigned char* d = (unsigned char*)dest;
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volatile unsigned char* s = (unsigned char*)src;
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for( i = 0; i < count;i++)
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d[i] = s[i];
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return dest;
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}
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/* Write to NVRAM */
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void
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nvram_write(long dest, const void *src, size_t count)
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{
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int i;
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volatile unsigned char* d = (unsigned char*)dest;
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volatile unsigned char* s = (unsigned char*)src;
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SYS_TOD_UNPROTECT();
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for( i = 0; i < count;i++)
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d[i] = s[i];
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SYS_TOD_PROTECT();
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}
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