1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2019 Intel Corporation <www.intel.com>
4 */
5
6 #include <common.h>
7 #include <init.h>
8
board_early_init_r(void)9 int board_early_init_r(void)
10 {
11 /*
12 * Make sure PCI bus is enumerated so that peripherals on the PCI bus
13 * can be discovered by their drivers.
14 *
15 * Slim Bootloader has already done PCI bus enumeration before loading
16 * U-Boot, so U-Boot needs to preserve PCI configuration.
17 * Therefore, '# CONFIG_PCI_PNP is not set' is included in defconfig.
18 */
19 pci_init();
20
21 return 0;
22 }
23