hw/arm/msf2: Use Clock input to MSF2_SOC instead of m3clk property

Instead of passing the MSF2 SoC an integer property specifying the
CPU clock rate, pass it a Clock instead.  This lets us wire that
clock up to the armv7m object.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Message-id: 20210812093356.1946-20-peter.maydell@linaro.org

1 files changed, 6 insertions, 1 deletions

diff --git a/hw/arm/msf2-som.c b/hw/arm/msf2-som.c
index 343ec97..396e8b9 100644
--- a/hw/arm/msf2-som.c
+++ b/hw/arm/msf2-som.c
@@ -29,6 +29,7 @@
 #include "hw/boards.h"
 #include "hw/qdev-properties.h"
 #include "hw/arm/boot.h"
+#include "hw/qdev-clock.h"
 #include "exec/address-spaces.h"
 #include "hw/arm/msf2-soc.h"
 
@@ -49,6 +50,7 @@ static void emcraft_sf2_s2s010_init(MachineState *machine)
     BusState *spi_bus;
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *ddr = g_new(MemoryRegion, 1);
+    Clock *m3clk;
 
     if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
         error_report("This board can only be used with CPU %s",
@@ -72,7 +74,10 @@ static void emcraft_sf2_s2s010_init(MachineState *machine)
      * in Libero. CPU clock is divided by APB0 and APB1 divisors for
      * peripherals. Emcraft's SoM kit comes with these settings by default.
      */
-    qdev_prop_set_uint32(dev, "m3clk", 142 * 1000000);
+    /* This clock doesn't need migration because it is fixed-frequency */
+    m3clk = clock_new(OBJECT(machine), "m3clk");
+    clock_set_hz(m3clk, 142 * 1000000);
+    qdev_connect_clock_in(dev, "m3clk", m3clk);
     qdev_prop_set_uint32(dev, "apb0div", 2);
     qdev_prop_set_uint32(dev, "apb1div", 2);