arm: qemu: Enumerate virtio bus during early boot

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>
This commit is contained in:
Bin Meng 2018-10-15 02:21:19 -07:00 committed by Simon Glass
parent 6f3327658b
commit b9b5956eb0
2 changed files with 14 additions and 0 deletions

View File

@ -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

View File

@ -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;
}