Currently devices on the virtio bus is not automatically enumerated, which means peripherals on the virtio bus are not discovered by their drivers. This uses board_init() to do the virtio enumeration.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Simon Glass sjg@chromium.org
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Changes in v3: None Changes in v2: - imply VIRTIO_PCI for qemu-arm too
board/emulation/qemu-arm/Kconfig | 4 ++++ board/emulation/qemu-arm/qemu-arm.c | 10 ++++++++++ 2 files changed, 14 insertions(+)
diff --git a/board/emulation/qemu-arm/Kconfig b/board/emulation/qemu-arm/Kconfig index d1c08c2..02ae4d9 100644 --- a/board/emulation/qemu-arm/Kconfig +++ b/board/emulation/qemu-arm/Kconfig @@ -5,5 +5,9 @@ config SYS_TEXT_BASE
config BOARD_SPECIFIC_OPTIONS # dummy def_bool y + imply VIRTIO_MMIO + imply VIRTIO_PCI + imply VIRTIO_NET + imply VIRTIO_BLK
endif diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index 812c906..e1f4709 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -2,8 +2,12 @@ /* * Copyright (c) 2017 Tuomas Tynkkynen */ + #include <common.h> +#include <dm.h> #include <fdtdec.h> +#include <virtio_types.h> +#include <virtio.h>
#ifdef CONFIG_ARM64 #include <asm/armv8/mmu.h> @@ -58,6 +62,12 @@ struct mm_region *mem_map = qemu_arm64_mem_map;
int board_init(void) { + /* + * Make sure virtio bus is enumerated so that peripherals + * on the virtio bus can be discovered by their drivers + */ + virtio_init(); + return 0; }