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
|
/*
* (C) Copyright 2002
* Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
*
* 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
*/
/*
* Support for type PCI configuration cycles.
* based on pci_indirect.c
*/
#include <common.h>
#include <asm/io.h>
#include <pci.h>
#define cfg_read(val, addr, op) *val = op((int)(addr))
#define cfg_write(val, addr, op) op((val), (int)(addr))
#define TYPE1_PCI_OP(rw, size, type, op, mask) \
static int \
type1_##rw##_config_##size(struct pci_controller *hose, \
pci_dev_t dev, int offset, type val) \
{ \
outl(dev | (offset & 0xfc) | 0x80000000, (int)hose->cfg_addr); \
cfg_##rw(val, hose->cfg_data + (offset & mask), op); \
return 0; \
}
TYPE1_PCI_OP(read, byte, u8 *, inb, 3)
TYPE1_PCI_OP(read, word, u16 *, inw, 2)
TYPE1_PCI_OP(read, dword, u32 *, inl, 0)
TYPE1_PCI_OP(write, byte, u8, outb, 3)
TYPE1_PCI_OP(write, word, u16, outw, 2)
TYPE1_PCI_OP(write, dword, u32, outl, 0)
void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
{
pci_set_ops(hose,
type1_read_config_byte,
type1_read_config_word,
type1_read_config_dword,
type1_write_config_byte,
type1_write_config_word,
type1_write_config_dword);
hose->cfg_addr = (unsigned int *) cfg_addr;
hose->cfg_data = (unsigned char *) cfg_data;
}
|
