* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
* Written by Andrew Baumann
*
- * This code is licensed under the GNU GPLv2 and later.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "cpu.h"
#include "hw/arm/bcm2836.h"
#include "hw/arm/raspi_platform.h"
#include "hw/sysbus.h"
-#include "exec/address-spaces.h"
-/* Peripheral base address seen by the CPU */
-#define BCM2836_PERI_BASE 0x3F000000
+struct BCM283XInfo {
+ const char *name;
+ const char *cpu_type;
+ hwaddr peri_base; /* Peripheral base address seen by the CPU */
+ hwaddr ctrl_base; /* Interrupt controller and mailboxes etc. */
+ int clusterid;
+};
-/* "QA7" (Pi2) interrupt controller and mailboxes etc. */
-#define BCM2836_CONTROL_BASE 0x40000000
+static const BCM283XInfo bcm283x_socs[] = {
+ {
+ .name = TYPE_BCM2836,
+ .cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"),
+ .peri_base = 0x3f000000,
+ .ctrl_base = 0x40000000,
+ .clusterid = 0xf,
+ },
+#ifdef TARGET_AARCH64
+ {
+ .name = TYPE_BCM2837,
+ .cpu_type = ARM_CPU_TYPE_NAME("cortex-a53"),
+ .peri_base = 0x3f000000,
+ .ctrl_base = 0x40000000,
+ .clusterid = 0x0,
+ },
+#endif
+};
static void bcm2836_init(Object *obj)
{
- BCM2836State *s = BCM2836(obj);
+ BCM283XState *s = BCM283X(obj);
+ BCM283XClass *bc = BCM283X_GET_CLASS(obj);
+ const BCM283XInfo *info = bc->info;
int n;
- for (n = 0; n < BCM2836_NCPUS; n++) {
- object_initialize(&s->cpus[n], sizeof(s->cpus[n]),
- "cortex-a15-" TYPE_ARM_CPU);
- object_property_add_child(obj, "cpu[*]", OBJECT(&s->cpus[n]),
- &error_abort);
+ for (n = 0; n < BCM283X_NCPUS; n++) {
+ object_initialize_child(obj, "cpu[*]", &s->cpu[n].core,
+ info->cpu_type);
}
- object_initialize(&s->control, sizeof(s->control), TYPE_BCM2836_CONTROL);
- object_property_add_child(obj, "control", OBJECT(&s->control), NULL);
- qdev_set_parent_bus(DEVICE(&s->control), sysbus_get_default());
+ object_initialize_child(obj, "control", &s->control, TYPE_BCM2836_CONTROL);
- object_initialize(&s->peripherals, sizeof(s->peripherals),
- TYPE_BCM2835_PERIPHERALS);
- object_property_add_child(obj, "peripherals", OBJECT(&s->peripherals),
- &error_abort);
+ object_initialize_child(obj, "peripherals", &s->peripherals,
+ TYPE_BCM2835_PERIPHERALS);
object_property_add_alias(obj, "board-rev", OBJECT(&s->peripherals),
- "board-rev", &error_abort);
+ "board-rev");
object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals),
- "vcram-size", &error_abort);
- qdev_set_parent_bus(DEVICE(&s->peripherals), sysbus_get_default());
+ "vcram-size");
}
static void bcm2836_realize(DeviceState *dev, Error **errp)
{
- BCM2836State *s = BCM2836(dev);
+ BCM283XState *s = BCM283X(dev);
+ BCM283XClass *bc = BCM283X_GET_CLASS(dev);
+ const BCM283XInfo *info = bc->info;
Object *obj;
Error *err = NULL;
int n;
/* common peripherals from bcm2835 */
- obj = object_property_get_link(OBJECT(dev), "ram", &err);
- if (obj == NULL) {
- error_setg(errp, "%s: required ram link not found: %s",
- __func__, error_get_pretty(err));
- return;
- }
+ obj = object_property_get_link(OBJECT(dev), "ram", &error_abort);
- object_property_add_const_link(OBJECT(&s->peripherals), "ram", obj, &err);
- if (err) {
- error_propagate(errp, err);
- return;
- }
+ object_property_add_const_link(OBJECT(&s->peripherals), "ram", obj);
- object_property_set_bool(OBJECT(&s->peripherals), true, "realized", &err);
- if (err) {
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->peripherals), &err)) {
error_propagate(errp, err);
return;
}
object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->peripherals),
- "sd-bus", &err);
- if (err) {
- error_propagate(errp, err);
- return;
- }
+ "sd-bus");
sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->peripherals), 0,
- BCM2836_PERI_BASE, 1);
+ info->peri_base, 1);
/* bcm2836 interrupt controller (and mailboxes, etc.) */
- object_property_set_bool(OBJECT(&s->control), true, "realized", &err);
- if (err) {
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->control), &err)) {
error_propagate(errp, err);
return;
}
- sysbus_mmio_map(SYS_BUS_DEVICE(&s->control), 0, BCM2836_CONTROL_BASE);
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->control), 0, info->ctrl_base);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 0,
qdev_get_gpio_in_named(DEVICE(&s->control), "gpu-irq", 0));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 1,
qdev_get_gpio_in_named(DEVICE(&s->control), "gpu-fiq", 0));
- for (n = 0; n < BCM2836_NCPUS; n++) {
- /* Mirror bcm2836, which has clusterid set to 0xf
- * TODO: this should be converted to a property of ARM_CPU
- */
- s->cpus[n].mp_affinity = 0xF00 | n;
+ for (n = 0; n < BCM283X_NCPUS; n++) {
+ /* TODO: this should be converted to a property of ARM_CPU */
+ s->cpu[n].core.mp_affinity = (info->clusterid << 8) | n;
/* set periphbase/CBAR value for CPU-local registers */
- object_property_set_int(OBJECT(&s->cpus[n]),
- BCM2836_PERI_BASE + MCORE_OFFSET,
- "reset-cbar", &err);
- if (err) {
+ if (!object_property_set_int(OBJECT(&s->cpu[n].core), "reset-cbar",
+ info->peri_base, &err)) {
error_propagate(errp, err);
return;
}
/* start powered off if not enabled */
- object_property_set_bool(OBJECT(&s->cpus[n]), n >= s->enabled_cpus,
- "start-powered-off", &err);
- if (err) {
+ if (!object_property_set_bool(OBJECT(&s->cpu[n].core),
+ "start-powered-off",
+ n >= s->enabled_cpus,
+ &err)) {
error_propagate(errp, err);
return;
}
- object_property_set_bool(OBJECT(&s->cpus[n]), true, "realized", &err);
- if (err) {
+ if (!qdev_realize(DEVICE(&s->cpu[n].core), NULL, &err)) {
error_propagate(errp, err);
return;
}
/* Connect irq/fiq outputs from the interrupt controller. */
qdev_connect_gpio_out_named(DEVICE(&s->control), "irq", n,
- qdev_get_gpio_in(DEVICE(&s->cpus[n]), ARM_CPU_IRQ));
+ qdev_get_gpio_in(DEVICE(&s->cpu[n].core), ARM_CPU_IRQ));
qdev_connect_gpio_out_named(DEVICE(&s->control), "fiq", n,
- qdev_get_gpio_in(DEVICE(&s->cpus[n]), ARM_CPU_FIQ));
+ qdev_get_gpio_in(DEVICE(&s->cpu[n].core), ARM_CPU_FIQ));
/* Connect timers from the CPU to the interrupt controller */
- qdev_connect_gpio_out(DEVICE(&s->cpus[n]), GTIMER_PHYS,
- qdev_get_gpio_in_named(DEVICE(&s->control), "cntpsirq", n));
- qdev_connect_gpio_out(DEVICE(&s->cpus[n]), GTIMER_VIRT,
+ qdev_connect_gpio_out(DEVICE(&s->cpu[n].core), GTIMER_PHYS,
+ qdev_get_gpio_in_named(DEVICE(&s->control), "cntpnsirq", n));
+ qdev_connect_gpio_out(DEVICE(&s->cpu[n].core), GTIMER_VIRT,
qdev_get_gpio_in_named(DEVICE(&s->control), "cntvirq", n));
+ qdev_connect_gpio_out(DEVICE(&s->cpu[n].core), GTIMER_HYP,
+ qdev_get_gpio_in_named(DEVICE(&s->control), "cnthpirq", n));
+ qdev_connect_gpio_out(DEVICE(&s->cpu[n].core), GTIMER_SEC,
+ qdev_get_gpio_in_named(DEVICE(&s->control), "cntpsirq", n));
}
}
static Property bcm2836_props[] = {
- DEFINE_PROP_UINT32("enabled-cpus", BCM2836State, enabled_cpus, BCM2836_NCPUS),
+ DEFINE_PROP_UINT32("enabled-cpus", BCM283XState, enabled_cpus,
+ BCM283X_NCPUS),
DEFINE_PROP_END_OF_LIST()
};
-static void bcm2836_class_init(ObjectClass *oc, void *data)
+static void bcm283x_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
+ BCM283XClass *bc = BCM283X_CLASS(oc);
- dc->props = bcm2836_props;
+ bc->info = data;
dc->realize = bcm2836_realize;
-
- /*
- * Reason: creates an ARM CPU, thus use after free(), see
- * arm_cpu_class_init()
- */
- dc->cannot_destroy_with_object_finalize_yet = true;
+ device_class_set_props(dc, bcm2836_props);
+ /* Reason: Must be wired up in code (see raspi_init() function) */
+ dc->user_creatable = false;
}
-static const TypeInfo bcm2836_type_info = {
- .name = TYPE_BCM2836,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(BCM2836State),
+static const TypeInfo bcm283x_type_info = {
+ .name = TYPE_BCM283X,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(BCM283XState),
.instance_init = bcm2836_init,
- .class_init = bcm2836_class_init,
+ .class_size = sizeof(BCM283XClass),
+ .abstract = true,
};
static void bcm2836_register_types(void)
{
- type_register_static(&bcm2836_type_info);
+ int i;
+
+ type_register_static(&bcm283x_type_info);
+ for (i = 0; i < ARRAY_SIZE(bcm283x_socs); i++) {
+ TypeInfo ti = {
+ .name = bcm283x_socs[i].name,
+ .parent = TYPE_BCM283X,
+ .class_init = bcm283x_class_init,
+ .class_data = (void *) &bcm283x_socs[i],
+ };
+ type_register(&ti);
+ }
}
type_init(bcm2836_register_types)
projects / mirror_qemu.git / blobdiff