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
|
/*
* Copyright (C) 2007 Freescale Semiconductor, Inc.
*
* Author: Scott Wood <scottwood@freescale.com>
* Dave Liu <daveliu@freescale.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 <i2c.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include <pci.h>
#include <mpc83xx.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
volatile immap_t *im = (immap_t *)CFG_IMMR;
if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
gd->flags |= GD_FLG_SILENT;
return 0;
}
static u8 read_board_info(void)
{
u8 val8;
i2c_set_bus_num(0);
if (i2c_read(CFG_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0)
return val8;
else
return 0;
}
int checkboard(void)
{
static const char * const rev_str[] = {
"0.0",
"0.1",
"1.0",
"1.1",
"<unknown>",
};
u8 info;
int i;
info = read_board_info();
i = (!info) ? 4: info & 0x03;
printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]);
return 0;
}
static struct pci_region pci_regions[] = {
{
bus_start: CFG_PCI_MEM_BASE,
phys_start: CFG_PCI_MEM_PHYS,
size: CFG_PCI_MEM_SIZE,
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
},
{
bus_start: CFG_PCI_MMIO_BASE,
phys_start: CFG_PCI_MMIO_PHYS,
size: CFG_PCI_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CFG_PCI_IO_BASE,
phys_start: CFG_PCI_IO_PHYS,
size: CFG_PCI_IO_SIZE,
flags: PCI_REGION_IO
}
};
void pci_init_board(void)
{
volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
struct pci_region *reg[] = { pci_regions };
int warmboot;
/* Enable all 3 PCI_CLK_OUTPUTs. */
clk->occr |= 0xe0000000;
/*
* Configure PCI Local Access Windows
*/
pci_law[0].bar = CFG_PCI_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
pci_law[1].bar = CFG_PCI_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
mpc83xx_pci_init(1, reg, warmboot);
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
}
#endif
|
