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...@gmail.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
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;
}
--
2.7.4
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