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 ---
Changes in v2: None
board/emulation/qemu-riscv/Kconfig | 3 +++ board/emulation/qemu-riscv/qemu-riscv.c | 9 +++++++++ 2 files changed, 12 insertions(+)
diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig index af23363..5ae56da 100644 --- a/board/emulation/qemu-riscv/Kconfig +++ b/board/emulation/qemu-riscv/Kconfig @@ -18,5 +18,8 @@ config SYS_TEXT_BASE config BOARD_SPECIFIC_OPTIONS # dummy def_bool y imply SYS_NS16550 + imply VIRTIO_MMIO + imply VIRTIO_NET + imply VIRTIO_BLK
endif diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index 041e716..2730a28 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -4,12 +4,21 @@ */
#include <common.h> +#include <dm.h> #include <fdtdec.h> +#include <virtio_types.h> +#include <virtio.h>
#define MROM_FDT_ADDR 0x1020
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; }