[PATCH] hw/loongarch: Add virtio-mmio bus support

[Tianrui Zhao]

Add virtio-mmio bus support for LoongArch, so that devices
could be added in the virtio-mmio bus.

Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
---
 hw/loongarch/Kconfig | 1 +
 hw/loongarch/virt.c  | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig
index 1e7c5b43c5..01ab8ce8e7 100644
--- a/hw/loongarch/Kconfig
+++ b/hw/loongarch/Kconfig
@@ -22,3 +22,4 @@ config LOONGARCH_VIRT
     select DIMM
     select PFLASH_CFI01
     select ACPI_HMAT
+    select VIRTIO_MMIO
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 2629128aed..06f4bc3a5e 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -560,6 +560,9 @@ static void loongarch_devices_init(DeviceState *pch_pic, 
LoongArchMachineState *
                          VIRT_RTC_IRQ - VIRT_GSI_BASE));
     fdt_add_rtc_node(lams);
 
+    /* virtio-mmio device */
+    sysbus_create_simple("virtio-mmio", 0x1e200000, qdev_get_gpio_in(pch_pic, 
7));
+
     pm_mem = g_new(MemoryRegion, 1);
     memory_region_init_io(pm_mem, NULL, &loongarch_virt_pm_ops,
                           NULL, "loongarch_virt_pm", PM_SIZE);
-- 
2.39.1