diff options
Diffstat (limited to 'qemu/hw/arm/bcm2836.c')
| -rw-r--r-- | qemu/hw/arm/bcm2836.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/qemu/hw/arm/bcm2836.c b/qemu/hw/arm/bcm2836.c deleted file mode 100644 index 8451190a1..000000000 --- a/qemu/hw/arm/bcm2836.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Raspberry Pi emulation (c) 2012 Gregory Estrade - * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous - * - * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft - * Written by Andrew Baumann - * - * This code is licensed under the GNU GPLv2 and later. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.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 - -/* "QA7" (Pi2) interrupt controller and mailboxes etc. */ -#define BCM2836_CONTROL_BASE 0x40000000 - -static void bcm2836_init(Object *obj) -{ - BCM2836State *s = BCM2836(obj); - 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); - } - - 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(&s->peripherals, sizeof(s->peripherals), - TYPE_BCM2835_PERIPHERALS); - object_property_add_child(obj, "peripherals", OBJECT(&s->peripherals), - &error_abort); - object_property_add_alias(obj, "board-rev", OBJECT(&s->peripherals), - "board-rev", &error_abort); - object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals), - "vcram-size", &error_abort); - qdev_set_parent_bus(DEVICE(&s->peripherals), sysbus_get_default()); -} - -static void bcm2836_realize(DeviceState *dev, Error **errp) -{ - BCM2836State *s = BCM2836(dev); - 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; - } - - object_property_add_const_link(OBJECT(&s->peripherals), "ram", obj, &err); - if (err) { - error_propagate(errp, err); - return; - } - - object_property_set_bool(OBJECT(&s->peripherals), true, "realized", &err); - if (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; - } - - sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->peripherals), 0, - BCM2836_PERI_BASE, 1); - - /* bcm2836 interrupt controller (and mailboxes, etc.) */ - object_property_set_bool(OBJECT(&s->control), true, "realized", &err); - if (err) { - error_propagate(errp, err); - return; - } - - sysbus_mmio_map(SYS_BUS_DEVICE(&s->control), 0, BCM2836_CONTROL_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; - - /* 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) { - 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) { - error_propagate(errp, err); - return; - } - - object_property_set_bool(OBJECT(&s->cpus[n]), true, "realized", &err); - if (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_connect_gpio_out_named(DEVICE(&s->control), "fiq", n, - qdev_get_gpio_in(DEVICE(&s->cpus[n]), 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), "cntpnsirq", n)); - qdev_connect_gpio_out(DEVICE(&s->cpus[n]), GTIMER_VIRT, - qdev_get_gpio_in_named(DEVICE(&s->control), "cntvirq", n)); - qdev_connect_gpio_out(DEVICE(&s->cpus[n]), GTIMER_HYP, - qdev_get_gpio_in_named(DEVICE(&s->control), "cnthpirq", n)); - qdev_connect_gpio_out(DEVICE(&s->cpus[n]), 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_END_OF_LIST() -}; - -static void bcm2836_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - - dc->props = bcm2836_props; - 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; -} - -static const TypeInfo bcm2836_type_info = { - .name = TYPE_BCM2836, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(BCM2836State), - .instance_init = bcm2836_init, - .class_init = bcm2836_class_init, -}; - -static void bcm2836_register_types(void) -{ - type_register_static(&bcm2836_type_info); -} - -type_init(bcm2836_register_types) |