2 * Copyright (c) 2011 The Chromium OS Authors.
3 * (C) Copyright 2008,2009
4 * Graeme Russ, <graeme.russ@gmail.com>
7 * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
9 * SPDX-License-Identifier: GPL-2.0+
18 static struct pci_controller x86_hose;
20 int pci_early_init_hose(struct pci_controller **hosep)
22 struct pci_controller *hose;
24 hose = calloc(1, sizeof(struct pci_controller));
28 board_pci_setup_hose(hose);
29 pci_setup_type1(hose);
36 __weak int board_pci_pre_scan(struct pci_controller *hose)
41 __weak int board_pci_post_scan(struct pci_controller *hose)
46 void pci_init_board(void)
48 struct pci_controller *hose = &x86_hose;
50 /* Stop using the early hose */
53 board_pci_setup_hose(hose);
54 pci_setup_type1(hose);
55 pci_register_hose(hose);
57 board_pci_pre_scan(hose);
58 hose->last_busno = pci_hose_scan(hose);
59 board_pci_post_scan(hose);
62 static struct pci_controller *get_hose(void)
67 return pci_bus_to_hose(0);
70 unsigned int pci_read_config8(pci_dev_t dev, unsigned where)
74 pci_hose_read_config_byte(get_hose(), dev, where, &value);
79 unsigned int pci_read_config16(pci_dev_t dev, unsigned where)
83 pci_hose_read_config_word(get_hose(), dev, where, &value);
88 unsigned int pci_read_config32(pci_dev_t dev, unsigned where)
92 pci_hose_read_config_dword(get_hose(), dev, where, &value);
97 void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value)
99 pci_hose_write_config_byte(get_hose(), dev, where, value);
102 void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value)
104 pci_hose_write_config_word(get_hose(), dev, where, value);
107 void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value)
109 pci_hose_write_config_dword(get_hose(), dev, where, value);