hw/arm/stm32l4x5_soc.c: Use the RCC Sysclk

Now that we can generate reliable clock frequencies from the RCC, remove
the hacky definition of the sysclk in the b_l475e_iot01a initialisation
code and use the correct RCC clock.

Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240303140643.81957-8-arnaud.minier@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 9 deletions

diff --git a/hw/arm/b-l475e-iot01a.c b/hw/arm/b-l475e-iot01a.c
index 6ecde2d..d862aa4 100644
--- a/hw/arm/b-l475e-iot01a.c
+++ b/hw/arm/b-l475e-iot01a.c
@@ -26,27 +26,19 @@
 #include "qapi/error.h"
 #include "hw/boards.h"
 #include "hw/qdev-properties.h"
-#include "hw/qdev-clock.h"
 #include "qemu/error-report.h"
 #include "hw/arm/stm32l4x5_soc.h"
 #include "hw/arm/boot.h"
 
-/* Main SYSCLK frequency in Hz (80MHz) */
-#define MAIN_SYSCLK_FREQ_HZ 80000000ULL
+/* B-L475E-IOT01A implementation is derived from netduinoplus2 */
 
 static void b_l475e_iot01a_init(MachineState *machine)
 {
     const Stm32l4x5SocClass *sc;
     DeviceState *dev;
-    Clock *sysclk;
-
-    /* This clock doesn't need migration because it is fixed-frequency */
-    sysclk = clock_new(OBJECT(machine), "SYSCLK");
-    clock_set_hz(sysclk, MAIN_SYSCLK_FREQ_HZ);
 
     dev = qdev_new(TYPE_STM32L4X5XG_SOC);
     object_property_add_child(OBJECT(machine), "soc", OBJECT(dev));
-    qdev_connect_clock_in(dev, "sysclk", sysclk);
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 
     sc = STM32L4X5_SOC_GET_CLASS(dev);