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
|
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-10-24 GuEe-GUI first version
*/
#include <rtthread.h>
#include "../ecam.h"
static const struct pci_ecam_ops gen_pci_cfg_cam_bus_ops =
{
.bus_shift = 16,
.pci_ops =
{
.map = pci_ecam_map,
.read = rt_pci_bus_read_config_uxx,
.write = rt_pci_bus_write_config_uxx,
}
};
static void *pci_dw_ecam_map_bus(struct rt_pci_bus *bus, rt_uint32_t devfn, int where)
{
struct pci_ecam_config_window *conf_win = bus->sysdata;
if (bus->number == conf_win->bus_range[0] && RT_PCI_SLOT(devfn) > 0)
{
return RT_NULL;
}
return pci_ecam_map(bus, devfn, where);
}
static const struct pci_ecam_ops pci_dw_ecam_bus_ops =
{
.pci_ops =
{
.map = pci_dw_ecam_map_bus,
.read = rt_pci_bus_read_config_uxx,
.write = rt_pci_bus_write_config_uxx,
}
};
static const struct rt_ofw_node_id gen_pci_ofw_ids[] =
{
{ .compatible = "pci-host-cam-generic", .data = &gen_pci_cfg_cam_bus_ops },
{ .compatible = "pci-host-ecam-generic", .data = &pci_generic_ecam_ops },
{ .compatible = "marvell,armada8k-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
{ .compatible = "socionext,synquacer-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
{ .compatible = "snps,dw-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
{ /* sentinel */ }
};
static struct rt_platform_driver gen_pci_driver =
{
.name = "pci-host-generic",
.ids = gen_pci_ofw_ids,
.probe = pci_host_common_probe,
.remove = pci_host_common_remove,
};
RT_PLATFORM_DRIVER_EXPORT(gen_pci_driver);
|
