To enumerate devices on the /soc/ node, create a "simple-bus" driver to match "riscv-virtio-soc".
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Reviewed-by: Anup Patel anup@brainfault.org
---
Changes in v5: None 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, +};