xref: /openbmc/u-boot/arch/x86/cpu/pci.c (revision 7430f108)
1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  * (C) Copyright 2008,2009
4  * Graeme Russ, <graeme.russ@gmail.com>
5  *
6  * (C) Copyright 2002
7  * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #include <common.h>
13 #include <errno.h>
14 #include <malloc.h>
15 #include <pci.h>
16 #include <asm/pci.h>
17 
18 static struct pci_controller x86_hose;
19 
20 int pci_early_init_hose(struct pci_controller **hosep)
21 {
22 	struct pci_controller *hose;
23 
24 	hose = calloc(1, sizeof(struct pci_controller));
25 	if (!hose)
26 		return -ENOMEM;
27 
28 	board_pci_setup_hose(hose);
29 	pci_setup_type1(hose);
30 	gd->arch.hose = hose;
31 	*hosep = hose;
32 
33 	return 0;
34 }
35 
36 void pci_init_board(void)
37 {
38 	struct pci_controller *hose = &x86_hose;
39 
40 	/* Stop using the early hose */
41 	gd->arch.hose = NULL;
42 
43 	board_pci_setup_hose(hose);
44 	pci_setup_type1(hose);
45 	pci_register_hose(hose);
46 
47 	hose->last_busno = pci_hose_scan(hose);
48 }
49