stellaris-gptm.h (1181B)
1 /* 2 * Luminary Micro Stellaris General Purpose Timer Module 3 * 4 * Copyright (c) 2006 CodeSourcery. 5 * Written by Paul Brook 6 * 7 * This code is licensed under the GPL. 8 */ 9 10 #ifndef HW_TIMER_STELLARIS_GPTM_H 11 #define HW_TIMER_STELLARIS_GPTM_H 12 13 #include "qom/object.h" 14 #include "hw/sysbus.h" 15 #include "hw/irq.h" 16 #include "hw/clock.h" 17 18 #define TYPE_STELLARIS_GPTM "stellaris-gptm" 19 OBJECT_DECLARE_SIMPLE_TYPE(gptm_state, STELLARIS_GPTM) 20 21 /* 22 * QEMU interface: 23 * + sysbus MMIO region 0: register bank 24 * + sysbus IRQ 0: timer interrupt 25 * + unnamed GPIO output 0: trigger output for the ADC 26 * + Clock input "clk": the 32-bit countdown timer runs at this speed 27 */ 28 struct gptm_state { 29 SysBusDevice parent_obj; 30 31 MemoryRegion iomem; 32 uint32_t config; 33 uint32_t mode[2]; 34 uint32_t control; 35 uint32_t state; 36 uint32_t mask; 37 uint32_t load[2]; 38 uint32_t match[2]; 39 uint32_t prescale[2]; 40 uint32_t match_prescale[2]; 41 uint32_t rtc; 42 int64_t tick[2]; 43 struct gptm_state *opaque[2]; 44 QEMUTimer *timer[2]; 45 /* The timers have an alternate output used to trigger the ADC. */ 46 qemu_irq trigger; 47 qemu_irq irq; 48 Clock *clk; 49 }; 50 51 #endif