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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
* (C) Copyright 2000
* Sangmoon Kim, Etin Systems. dogoil@etinsys.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 <mpc824x.h>
#include <net.h>
#include <pci.h>
#include <i2c.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard (void)
{
/*TODO: Check processor type */
puts ( "Board: Debris "
#ifdef CONFIG_MPC8240
"8240"
#endif
#ifdef CONFIG_MPC8245
"8245"
#endif
" ##Test not implemented yet##\n");
return 0;
}
#if 0 /* NOT USED */
int checkflash (void)
{
/* TODO: XXX XXX XXX */
printf ("## Test not implemented yet ##\n");
return (0);
}
#endif
phys_size_t initdram (int board_type)
{
int m, row, col, bank, i;
unsigned long start, end;
uint32_t mccr1;
uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0;
uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0;
uint8_t mber = 0;
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
if (i2c_reg_read (0x50, 2) != 0x04) return 0; /* Memory type */
m = i2c_reg_read (0x50, 5); /* # of physical banks */
row = i2c_reg_read (0x50, 3); /* # of rows */
col = i2c_reg_read (0x50, 4); /* # of columns */
bank = i2c_reg_read (0x50, 17); /* # of logical banks */
CONFIG_READ_WORD(MCCR1, mccr1);
mccr1 &= 0xffff0000;
start = CONFIG_SYS_SDRAM_BASE;
end = start + (1 << (col + row + 3) ) * bank - 1;
for (i = 0; i < m; i++) {
mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2;
if (i < 4) {
msar1 |= ((start >> 20) & 0xff) << i * 8;
emsar1 |= ((start >> 28) & 0xff) << i * 8;
mear1 |= ((end >> 20) & 0xff) << i * 8;
emear1 |= ((end >> 28) & 0xff) << i * 8;
} else {
msar2 |= ((start >> 20) & 0xff) << (i-4) * 8;
emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8;
mear2 |= ((end >> 20) & 0xff) << (i-4) * 8;
emear2 |= ((end >> 28) & 0xff) << (i-4) * 8;
}
mber |= 1 << i;
start += (1 << (col + row + 3) ) * bank;
end += (1 << (col + row + 3) ) * bank;
}
for (; i < 8; i++) {
if (i < 4) {
msar1 |= 0xff << i * 8;
emsar1 |= 0x30 << i * 8;
mear1 |= 0xff << i * 8;
emear1 |= 0x30 << i * 8;
} else {
msar2 |= 0xff << (i-4) * 8;
emsar2 |= 0x30 << (i-4) * 8;
mear2 |= 0xff << (i-4) * 8;
emear2 |= 0x30 << (i-4) * 8;
}
}
CONFIG_WRITE_WORD(MCCR1, mccr1);
CONFIG_WRITE_WORD(MSAR1, msar1);
CONFIG_WRITE_WORD(EMSAR1, emsar1);
CONFIG_WRITE_WORD(MEAR1, mear1);
CONFIG_WRITE_WORD(EMEAR1, emear1);
CONFIG_WRITE_WORD(MSAR2, msar2);
CONFIG_WRITE_WORD(EMSAR2, emsar2);
CONFIG_WRITE_WORD(MEAR2, mear2);
CONFIG_WRITE_WORD(EMEAR2, emear2);
CONFIG_WRITE_BYTE(MBER, mber);
return (1 << (col + row + 3) ) * bank * m;
}
/*
* Initialize PCI Devices, report devices found.
*/
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_debris_config_table[] = {
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
PCI_ENET0_MEMADDR,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x10, PCI_ANY_ID,
pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
PCI_ENET1_MEMADDR,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
{ }
};
#endif
struct pci_controller hose = {
#ifndef CONFIG_PCI_PNP
config_table: pci_debris_config_table,
#endif
};
void pci_init_board(void)
{
pci_mpc824x_init(&hose);
}
void *nvram_read(void *dest, const long src, size_t count)
{
volatile uchar *d = (volatile uchar*) dest;
volatile uchar *s = (volatile uchar*) src;
while(count--) {
*d++ = *s++;
asm volatile("sync");
}
return dest;
}
void nvram_write(long dest, const void *src, size_t count)
{
volatile uchar *d = (volatile uchar*)dest;
volatile uchar *s = (volatile uchar*)src;
while(count--) {
*d++ = *s++;
asm volatile("sync");
}
}
int misc_init_r(void)
{
uchar ethaddr[6];
if (eth_getenv_enetaddr("ethaddr", ethaddr))
/* Write ethernet addr in NVRAM for VxWorks */
nvram_write(CONFIG_ENV_ADDR + CONFIG_SYS_NVRAM_VXWORKS_OFFS,
ethaddr, 6);
return 0;
}
int board_eth_init(bd_t *bis)
{
return pci_eth_init(bis);
}
|
