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[PATCH v2 9/9] hw/riscv: virt: Set the clock-frequency

From: Alistair Francis
Subject: [PATCH v2 9/9] hw/riscv: virt: Set the clock-frequency
Date: Thu, 16 Dec 2021 14:54:27 +1000

From: Alistair Francis <alistair.francis@wdc.com>

As per the device tree specification let's set the clock-frequency for
the virt CPUs.

QEMU doesn't really have an exact clock, so let's just 1000000 as it's a
nice round number and matches the sifive_u CLINT_TIMEBASE_FREQ.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/472 (RISC-V virt)
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 hw/riscv/virt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 3af074148e..41a85cfc60 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -202,6 +202,7 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int 
         qemu_fdt_setprop_cell(mc->fdt, cpu_name, "reg",
             s->soc[socket].hartid_base + cpu);
         qemu_fdt_setprop_string(mc->fdt, cpu_name, "device_type", "cpu");
+        qemu_fdt_setprop_cell(mc->fdt, cpu_name, "clock-frequency", 1000000);
         riscv_socket_fdt_write_id(mc, mc->fdt, cpu_name, socket);
         qemu_fdt_setprop_cell(mc->fdt, cpu_name, "phandle", cpu_phandle);

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