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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 University of Heidelberg
* Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for
* University of Heidelberg.
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
static void pcie_init(struct device *dev)
{
/* Enable pci error detecting */
uint32_t dword;
uint32_t msicap;
printk(BIOS_DEBUG, "PCIE enable.... dev= %s\n",dev_path(dev));
/* System error enable */
dword = pci_read_config32(dev, 0x04);
dword |= (1<<8); /* System error enable */
dword |= (1<<30); /* Clear possible errors */
pci_write_config32(dev, 0x04, dword);
/* enable MSI on PCIE: */
msicap = pci_read_config32(dev, 0xa0);
msicap |= (1<<16); /* enable MSI*/
pci_write_config32(dev, 0xa0, msicap);
}
static struct pci_operations lops_pci = {
.set_subsystem = 0,
};
static struct device_operations pcie_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.init = pcie_init,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = &lops_pci,
};
static const struct pci_driver pcie_driver1 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_SERVERWORKS,
.device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB0,
};
static const struct pci_driver pcie_driver2 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_SERVERWORKS,
.device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB1,
};
static const struct pci_driver pcie_driver3 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_SERVERWORKS,
.device = PCI_DEVICE_ID_SERVERWORKS_BCM21000_EXB2,
};
|
