summaryrefslogtreecommitdiffstats
path: root/board/bmw/bmw.c
blob: 5ba6c09d1ca00121140990b1ced9bb299e6e458a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/*
 * (C) Copyright 2002
 * James F. Dougherty, Broadcom Corporation, jfd@broadcom.com
 *
 * 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 <watchdog.h>
#include <command.h>
#include <malloc.h>
#include <stdio_dev.h>
#include <net.h>
#include <timestamp.h>
#include <dtt.h>
#include <mpc824x.h>
#include <asm/processor.h>
#include <linux/mtd/doc2000.h>

#include "bmw.h"
#include "m48t59y.h"
#include <pci.h>


int checkboard(void)
{
    ulong busfreq  = get_bus_freq(0);
    char  buf[32];

    puts ("Board: BMW MPC8245/KAHLUA2 - CHRP (MAP B)\n");
    printf("Built: %s at %s\n", U_BOOT_DATE, U_BOOT_TIME);
    /* printf("MPLD:  Revision %d\n", SYS_REVID_GET()); */
    printf("Local Bus at %s MHz\n", strmhz(buf, busfreq));
    return 0;
}

phys_size_t initdram(int board_type)
{
    return 64*1024*1024;
}


void
get_tod(void)
{
    int year, month, day, hour, minute, second;

    m48_tod_get(&year,
		&month,
		&day,
		&hour,
		&minute,
		&second);

    printf("  Current date/time: %d/%d/%d %d:%d:%d \n",
	   month, day, year, hour, minute, second);

}

/*
 * EPIC, PCI, and I/O devices.
 * Initialize Mousse Platform, probe for PCI devices,
 * Query configuration parameters if not set.
 */
int misc_init_f (void)
{
#if 0
    m48_tod_init(); /* Init SGS M48T59Y TOD/NVRAM */
    printf("RTC:   M48T589 TOD/NVRAM (%d) bytes\n",
	   TOD_NVRAM_SIZE);
    get_tod();
#endif

    sys_led_msg("BOOT");
    return 0;
}


/*
 * Initialize PCI Devices, report devices found.
 */
struct pci_controller hose;

void pci_init_board (void)
{
    pci_mpc824x_init(&hose);
    /* pci_dev_init(0); */
}

/*
 * Write characters to LCD display.
 * Note that the bytes for the first character is the last address.
 */
void
sys_led_msg(char* msg)
{
    LED_REG(0) = msg[3];
    LED_REG(1) = msg[2];
    LED_REG(2) = msg[1];
    LED_REG(3) = msg[0];
}

#ifdef CONFIG_CMD_DOC
/*
 * Map onboard TSOP-16MB DOC FLASH chip.
 */
void doc_init (void)
{
    doc_probe(DOC_BASE_ADDR);
}
#endif

#define NV_ADDR	((volatile unsigned char *) CONFIG_ENV_ADDR)

/* Read from NVRAM */
void*
nvram_read(void *dest, const long src, size_t count)
{
    int i;
    volatile unsigned char* d = (unsigned char*)dest;
    volatile unsigned char* s = (unsigned char*)src;

    for( i = 0; i < count;i++)
	d[i] = s[i];

    return dest;
}

/* Write to NVRAM */
void
nvram_write(long dest, const void *src, size_t count)
{
    int i;
    volatile unsigned char* d = (unsigned char*)dest;
    volatile unsigned char* s = (unsigned char*)src;

    SYS_TOD_UNPROTECT();

    for( i = 0; i < count;i++)
	d[i] = s[i];

    SYS_TOD_PROTECT();
}
OpenPOWER on IntegriCloud