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 ---
board/efi/efi-x86_payload/Kconfig | 1 + board/efi/efi-x86_payload/Makefile | 2 +- board/efi/efi-x86_payload/payload.c | 18 ++++++++++++++++++ 3 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 board/efi/efi-x86_payload/payload.c
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 SYS_TEXT_BASE
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; +}