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>
diff --git a/board/efi/efi-x86_payload/Kconfig b/board/efi/efi-x86_payload/Kconfig
index b6e57b9..08dd0c2 100644
--- a/board/efi/efi-x86_payload/Kconfig
+++ b/board/efi/efi-x86_payload/Kconfig
@@ -17,6 +17,7 @@
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
+ select BOARD_EARLY_INIT_R
imply SYS_NS16550
imply SCSI
imply SCSI_AHCI
diff --git a/board/efi/efi-x86_payload/Makefile b/board/efi/efi-x86_payload/Makefile
index 6982340..00ef695 100644
--- a/board/efi/efi-x86_payload/Makefile
+++ b/board/efi/efi-x86_payload/Makefile
@@ -2,4 +2,4 @@
#
# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
-obj-y += start.o
+obj-y += start.o payload.o
diff --git a/board/efi/efi-x86_payload/payload.c b/board/efi/efi-x86_payload/payload.c
new file mode 100644
index 0000000..4eeb49a
--- /dev/null
+++ b/board/efi/efi-x86_payload/payload.c
@@ -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;
+}