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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));