hw/cpu/a9mpcore.c

2  * Cortex-A9MPCore internal peripheral emulation.
16 #include "hw/qdev-properties.h"
18 #include "target/arm/cpu-qom.h"
26     qemu_set_irq(qdev_get_gpio_in(DEVICE(&s->gic), irq), level);  in a9mp_priv_set_irq()
33     memory_region_init(&s->container, obj, "a9mp-priv-container", 0x2000);  in a9mp_priv_initfn()
34     sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->container);  in a9mp_priv_initfn()
36     object_initialize_child(obj, "scu", &s->scu, TYPE_A9_SCU);  in a9mp_priv_initfn()
38     object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GIC);  in a9mp_priv_initfn()
40     object_initialize_child(obj, "gtimer", &s->gtimer, TYPE_A9_GTIMER);  in a9mp_priv_initfn()
42     object_initialize_child(obj, "mptimer", &s->mptimer, TYPE_ARM_MPTIMER);  in a9mp_priv_initfn()
44     object_initialize_child(obj, "wdt", &s->wdt, TYPE_ARM_MPTIMER);  in a9mp_priv_initfn()
61     if (strcmp(object_get_typename(cpuobj), ARM_CPU_TYPE_NAME("cortex-a9"))) {  in a9mp_priv_realize()
62         /* We might allow Cortex-A5 once we model it */  in a9mp_priv_realize()
64                    "Cortex-A9MPCore peripheral can only use Cortex-A9 CPU");  in a9mp_priv_realize()
68     scudev = DEVICE(&s->scu);  in a9mp_priv_realize()
69     qdev_prop_set_uint32(scudev, "num-cpu", s->num_cpu);  in a9mp_priv_realize()
70     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {  in a9mp_priv_realize()
73     scubusdev = SYS_BUS_DEVICE(&s->scu);  in a9mp_priv_realize()
75     gicdev = DEVICE(&s->gic);  in a9mp_priv_realize()
76     qdev_prop_set_uint32(gicdev, "num-cpu", s->num_cpu);  in a9mp_priv_realize()
77     qdev_prop_set_uint32(gicdev, "num-irq", s->num_irq);  in a9mp_priv_realize()
78     qdev_prop_set_uint32(gicdev, "num-priority-bits",  in a9mp_priv_realize()
86     qdev_prop_set_bit(gicdev, "has-security-extensions", has_el3);  in a9mp_priv_realize()
88     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gic), errp)) {  in a9mp_priv_realize()
91     gicbusdev = SYS_BUS_DEVICE(&s->gic);  in a9mp_priv_realize()
97     qdev_init_gpio_in(dev, a9mp_priv_set_irq, s->num_irq - 32);  in a9mp_priv_realize()
99     gtimerdev = DEVICE(&s->gtimer);  in a9mp_priv_realize()
100     qdev_prop_set_uint32(gtimerdev, "num-cpu", s->num_cpu);  in a9mp_priv_realize()
101     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gtimer), errp)) {  in a9mp_priv_realize()
104     gtimerbusdev = SYS_BUS_DEVICE(&s->gtimer);  in a9mp_priv_realize()
106     mptimerdev = DEVICE(&s->mptimer);  in a9mp_priv_realize()
107     qdev_prop_set_uint32(mptimerdev, "num-cpu", s->num_cpu);  in a9mp_priv_realize()
108     if (!sysbus_realize(SYS_BUS_DEVICE(&s->mptimer), errp)) {  in a9mp_priv_realize()
111     mptimerbusdev = SYS_BUS_DEVICE(&s->mptimer);  in a9mp_priv_realize()
113     wdtdev = DEVICE(&s->wdt);  in a9mp_priv_realize()
114     qdev_prop_set_uint32(wdtdev, "num-cpu", s->num_cpu);  in a9mp_priv_realize()
115     if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt), errp)) {  in a9mp_priv_realize()
118     wdtbusdev = SYS_BUS_DEVICE(&s->wdt);  in a9mp_priv_realize()
121      *  0x0000-0x00ff -- Snoop Control Unit  in a9mp_priv_realize()
122      *  0x0100-0x01ff -- GIC CPU interface  in a9mp_priv_realize()
123      *  0x0200-0x02ff -- Global Timer  in a9mp_priv_realize()
124      *  0x0300-0x05ff -- nothing  in a9mp_priv_realize()
125      *  0x0600-0x06ff -- private timers and watchdogs  in a9mp_priv_realize()
126      *  0x0700-0x0fff -- nothing  in a9mp_priv_realize()
127      *  0x1000-0x1fff -- GIC Distributor  in a9mp_priv_realize()
129     memory_region_add_subregion(&s->container, 0,  in a9mp_priv_realize()
132     memory_region_add_subregion(&s->container, 0x100,  in a9mp_priv_realize()
134     memory_region_add_subregion(&s->container, 0x200,  in a9mp_priv_realize()
136     /* Note that the A9 exposes only the "timer/watchdog for this core"  in a9mp_priv_realize()
139     memory_region_add_subregion(&s->container, 0x600,  in a9mp_priv_realize()
141     memory_region_add_subregion(&s->container, 0x620,  in a9mp_priv_realize()
143     memory_region_add_subregion(&s->container, 0x1000,  in a9mp_priv_realize()
150     for (i = 0; i < s->num_cpu; i++) {  in a9mp_priv_realize()
151         int ppibase = (s->num_irq - 32) + i * 32;  in a9mp_priv_realize()
162     DEFINE_PROP_UINT32("num-cpu", A9MPPrivState, num_cpu, 1),
163     /* The Cortex-A9MP may have anything from 0 to 224 external interrupt
165      * is the number provided by the Cortex-A9MP test chip in the
166      * Realview PBX-A9 and Versatile Express A9 development boards.
169     DEFINE_PROP_UINT32("num-irq", A9MPPrivState, num_irq, 96),
177     dc->realize = a9mp_priv_realize;  in a9mp_priv_class_init()