To enumerate devices on the /soc/ node, create a "simple-bus"
driver to match "riscv-virtio-soc".
Signed-off-by: Bin Meng <bmeng...@gmail.com>
Reviewed-by: Lukas Auer <lukas.a...@aisec.fraunhofer.de>
---
Changes in v4: None
Changes in v3: None
Changes in v2:
- add DM_FLAG_PRE_RELOC flag to the simple-bus driver
arch/riscv/cpu/qemu/cpu.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/riscv/cpu/qemu/cpu.c b/arch/riscv/cpu/qemu/cpu.c
index 25d97d0..ad2950c 100644
--- a/arch/riscv/cpu/qemu/cpu.c
+++ b/arch/riscv/cpu/qemu/cpu.c
@@ -4,6 +4,7 @@
*/
#include <common.h>
+#include <dm.h>
/*
* cleanup_before_linux() is called just before we call linux
@@ -19,3 +20,16 @@ int cleanup_before_linux(void)
return 0;
}
+
+/* To enumerate devices on the /soc/ node, create a "simple-bus" driver */
+static const struct udevice_id riscv_virtio_soc_ids[] = {
+ { .compatible = "riscv-virtio-soc" },
+ { }
+};
+
+U_BOOT_DRIVER(riscv_virtio_soc) = {
+ .name = "riscv_virtio_soc",
+ .id = UCLASS_SIMPLE_BUS,
+ .of_match = riscv_virtio_soc_ids,
+ .flags = DM_FLAG_PRE_RELOC,
+};
--
2.7.4
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