x86: efi-x86_payload: Enumerate PCI bus during early boot

The generic efi payload currently does not enumerate the PCI bus,
which means peripherals on the PCI bus are not discovered by their
drivers. This uses board_early_init_r() to do the PCI enumeration.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2018-06-17 05:57:52 -07:00
parent ec15d5f6e5
commit 6d02cf0562
3 changed files with 20 additions and 1 deletions

View file

@ -17,6 +17,7 @@ config SYS_TEXT_BASE
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select BOARD_EARLY_INIT_R
imply SYS_NS16550
imply SCSI
imply SCSI_AHCI

View file

@ -2,4 +2,4 @@
#
# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
obj-y += start.o
obj-y += start.o payload.o

View file

@ -0,0 +1,18 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
*/
#include <common.h>
#include <usb.h>
int board_early_init_r(void)
{
/*
* Make sure PCI bus is enumerated so that peripherals on the PCI bus
* can be discovered by their drivers
*/
pci_init();
return 0;
}