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
|
/*
* (C) Copyright 2000
* Rob Taylor, Flying Pig Systems. robt@flyingpig.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 <pci.h>
int checkboard (void)
{
/*TODO: Check processor type */
puts ( "Board: Sandpoint "
#ifdef CONFIG_MPC8240
"8240"
#endif
#ifdef CONFIG_MPC8245
"8245"
#endif
" Unity ##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
long int initdram (int board_type)
{
int i, cnt;
volatile uchar * base= CFG_SDRAM_BASE;
volatile ulong * addr;
ulong save[32];
ulong val, ret = 0;
for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) {
addr = (volatile ulong *)base + cnt;
save[i++] = *addr;
*addr = ~cnt;
}
addr = (volatile ulong *)base;
save[i] = *addr;
*addr = 0;
if (*addr != 0) {
*addr = save[i];
goto Done;
}
for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) {
addr = (volatile ulong *)base + cnt;
val = *addr;
*addr = save[--i];
if (val != ~cnt) {
ulong new_bank0_end = cnt * sizeof(long) - 1;
ulong mear1 = mpc824x_mpc107_getreg(MEAR1);
ulong emear1 = mpc824x_mpc107_getreg(EMEAR1);
mear1 = (mear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
emear1 = (emear1 & 0xFFFFFF00) |
((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
mpc824x_mpc107_setreg(MEAR1, mear1);
mpc824x_mpc107_setreg(EMEAR1, emear1);
ret = cnt * sizeof(long);
goto Done;
}
}
ret = CFG_MAX_RAM_SIZE;
Done:
return ret;
}
/*
* Initialize PCI Devices, report devices found.
*/
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_sandpoint_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_sandpoint_config_table,
#endif
};
void pci_init(void)
{
pci_mpc824x_init(&hose);
}
|
