diff options
Diffstat (limited to 'include/hw/timer')
-rw-r--r-- | include/hw/timer/cmsdk-apb-dualtimer.h | 5 | ||||
-rw-r--r-- | include/hw/timer/cmsdk-apb-timer.h | 34 |
2 files changed, 13 insertions, 26 deletions
diff --git a/include/hw/timer/cmsdk-apb-dualtimer.h b/include/hw/timer/cmsdk-apb-dualtimer.h index 08d9e6fa3d..f3ec86c00b 100644 --- a/include/hw/timer/cmsdk-apb-dualtimer.h +++ b/include/hw/timer/cmsdk-apb-dualtimer.h @@ -16,7 +16,7 @@ * https://developer.arm.com/products/system-design/system-design-kits/cortex-m-system-design-kit * * QEMU interface: - * + QOM property "pclk-frq": frequency at which the timer is clocked + * + Clock input "TIMCLK": clock (for both timers) * + sysbus MMIO region 0: the register bank * + sysbus IRQ 0: combined timer interrupt TIMINTC * + sysbus IRO 1: timer block 1 interrupt TIMINT1 @@ -28,6 +28,7 @@ #include "hw/sysbus.h" #include "hw/ptimer.h" +#include "hw/clock.h" #include "qom/object.h" #define TYPE_CMSDK_APB_DUALTIMER "cmsdk-apb-dualtimer" @@ -61,7 +62,7 @@ struct CMSDKAPBDualTimer { /*< public >*/ MemoryRegion iomem; qemu_irq timerintc; - uint32_t pclk_frq; + Clock *timclk; CMSDKAPBDualTimerModule timermod[CMSDK_APB_DUALTIMER_NUM_MODULES]; uint32_t timeritcr; diff --git a/include/hw/timer/cmsdk-apb-timer.h b/include/hw/timer/cmsdk-apb-timer.h index 0d80b2a48c..c4c7eae849 100644 --- a/include/hw/timer/cmsdk-apb-timer.h +++ b/include/hw/timer/cmsdk-apb-timer.h @@ -15,20 +15,27 @@ #include "hw/qdev-properties.h" #include "hw/sysbus.h" #include "hw/ptimer.h" +#include "hw/clock.h" #include "qom/object.h" #define TYPE_CMSDK_APB_TIMER "cmsdk-apb-timer" -OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBTIMER, CMSDK_APB_TIMER) +OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBTimer, CMSDK_APB_TIMER) -struct CMSDKAPBTIMER { +/* + * QEMU interface: + * + Clock input "pclk": clock for the timer + * + sysbus MMIO region 0: the register bank + * + sysbus IRQ 0: timer interrupt TIMERINT + */ +struct CMSDKAPBTimer { /*< private >*/ SysBusDevice parent_obj; /*< public >*/ MemoryRegion iomem; qemu_irq timerint; - uint32_t pclk_frq; struct ptimer_state *timer; + Clock *pclk; uint32_t ctrl; uint32_t value; @@ -36,25 +43,4 @@ struct CMSDKAPBTIMER { uint32_t intstatus; }; -/** - * cmsdk_apb_timer_create - convenience function to create TYPE_CMSDK_APB_TIMER - * @addr: location in system memory to map registers - * @pclk_frq: frequency in Hz of the PCLK clock (used for calculating baud rate) - */ -static inline DeviceState *cmsdk_apb_timer_create(hwaddr addr, - qemu_irq timerint, - uint32_t pclk_frq) -{ - DeviceState *dev; - SysBusDevice *s; - - dev = qdev_new(TYPE_CMSDK_APB_TIMER); - s = SYS_BUS_DEVICE(dev); - qdev_prop_set_uint32(dev, "pclk-frq", pclk_frq); - sysbus_realize_and_unref(s, &error_fatal); - sysbus_mmio_map(s, 0, addr); - sysbus_connect_irq(s, 0, timerint); - return dev; -} - #endif |