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Diffstat (limited to 'hw/arm/mps2.c')
-rw-r--r--hw/arm/mps2.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c
index 9a8b23c64c..39add416db 100644
--- a/hw/arm/mps2.c
+++ b/hw/arm/mps2.c
@@ -46,6 +46,7 @@
 #include "hw/net/lan9118.h"
 #include "net/net.h"
 #include "hw/watchdog/cmsdk-apb-watchdog.h"
+#include "hw/qdev-clock.h"
 #include "qom/object.h"
 
 typedef enum MPS2FPGAType {
@@ -83,6 +84,8 @@ struct MPS2MachineState {
     /* CMSDK APB subsystem */
     CMSDKAPBDualTimer dualtimer;
     CMSDKAPBWatchdog watchdog;
+    CMSDKAPBTimer timer[2];
+    Clock *sysclk;
 };
 
 #define TYPE_MPS2_MACHINE "mps2"
@@ -139,6 +142,10 @@ static void mps2_common_init(MachineState *machine)
         exit(EXIT_FAILURE);
     }
 
+    /* This clock doesn't need migration because it is fixed-frequency */
+    mms->sysclk = clock_new(OBJECT(machine), "SYSCLK");
+    clock_set_hz(mms->sysclk, SYSCLK_FRQ);
+
     /* The FPGA images have an odd combination of different RAMs,
      * because in hardware they are different implementations and
      * connected to different buses, giving varying performance/size
@@ -330,18 +337,31 @@ static void mps2_common_init(MachineState *machine)
     }
 
     /* CMSDK APB subsystem */
-    cmsdk_apb_timer_create(0x40000000, qdev_get_gpio_in(armv7m, 8), SYSCLK_FRQ);
-    cmsdk_apb_timer_create(0x40001000, qdev_get_gpio_in(armv7m, 9), SYSCLK_FRQ);
+    for (i = 0; i < ARRAY_SIZE(mms->timer); i++) {
+        g_autofree char *name = g_strdup_printf("timer%d", i);
+        hwaddr base = 0x40000000 + i * 0x1000;
+        int irqno = 8 + i;
+        SysBusDevice *sbd;
+
+        object_initialize_child(OBJECT(mms), name, &mms->timer[i],
+                                TYPE_CMSDK_APB_TIMER);
+        sbd = SYS_BUS_DEVICE(&mms->timer[i]);
+        qdev_connect_clock_in(DEVICE(&mms->timer[i]), "pclk", mms->sysclk);
+        sysbus_realize_and_unref(sbd, &error_fatal);
+        sysbus_mmio_map(sbd, 0, base);
+        sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(armv7m, irqno));
+    }
+
     object_initialize_child(OBJECT(mms), "dualtimer", &mms->dualtimer,
                             TYPE_CMSDK_APB_DUALTIMER);
-    qdev_prop_set_uint32(DEVICE(&mms->dualtimer), "pclk-frq", SYSCLK_FRQ);
+    qdev_connect_clock_in(DEVICE(&mms->dualtimer), "TIMCLK", mms->sysclk);
     sysbus_realize(SYS_BUS_DEVICE(&mms->dualtimer), &error_fatal);
     sysbus_connect_irq(SYS_BUS_DEVICE(&mms->dualtimer), 0,
                        qdev_get_gpio_in(armv7m, 10));
     sysbus_mmio_map(SYS_BUS_DEVICE(&mms->dualtimer), 0, 0x40002000);
     object_initialize_child(OBJECT(mms), "watchdog", &mms->watchdog,
                             TYPE_CMSDK_APB_WATCHDOG);
-    qdev_prop_set_uint32(DEVICE(&mms->watchdog), "wdogclk-frq", SYSCLK_FRQ);
+    qdev_connect_clock_in(DEVICE(&mms->watchdog), "WDOGCLK", mms->sysclk);
     sysbus_realize(SYS_BUS_DEVICE(&mms->watchdog), &error_fatal);
     sysbus_connect_irq(SYS_BUS_DEVICE(&mms->watchdog), 0,
                        qdev_get_gpio_in_named(armv7m, "NMI", 0));