From f932093ae165ac9abfbded10510ff5c891d44ec3 Mon Sep 17 00:00:00 2001 From: Sergey Kambalin Date: Sun, 25 Feb 2024 18:02:19 -0600 Subject: [PATCH] hw/arm/bcm2836: Split out common part of BCM283X classes Pre setup for BCM2838 introduction Signed-off-by: Sergey Kambalin Reviewed-by: Peter Maydell Message-id: 20240226000259.2752893-2-sergey.kambalin@auriga.com Signed-off-by: Peter Maydell --- hw/arm/bcm2836.c | 103 ++++++++++++++++++++++----------------- hw/arm/raspi.c | 2 +- include/hw/arm/bcm2836.h | 26 +++++++++- 3 files changed, 84 insertions(+), 47 deletions(-) diff --git a/hw/arm/bcm2836.c b/hw/arm/bcm2836.c index e3ba18a8ec..e9768f2ab9 100644 --- a/hw/arm/bcm2836.c +++ b/hw/arm/bcm2836.c @@ -31,12 +31,12 @@ struct BCM283XClass { }; static Property bcm2836_enabled_cores_property = - DEFINE_PROP_UINT32("enabled-cpus", BCM283XState, enabled_cpus, 0); + DEFINE_PROP_UINT32("enabled-cpus", BCM283XBaseState, enabled_cpus, 0); -static void bcm2836_init(Object *obj) +static void bcm283x_base_init(Object *obj) { - BCM283XState *s = BCM283X(obj); - BCM283XClass *bc = BCM283X_GET_CLASS(obj); + BCM283XBaseState *s = BCM283X_BASE(obj); + BCM283XBaseClass *bc = BCM283X_BASE_GET_CLASS(obj); int n; for (n = 0; n < bc->core_count; n++) { @@ -52,6 +52,11 @@ static void bcm2836_init(Object *obj) object_initialize_child(obj, "control", &s->control, TYPE_BCM2836_CONTROL); } +} + +static void bcm283x_init(Object *obj) +{ + BCM283XState *s = BCM283X(obj); object_initialize_child(obj, "peripherals", &s->peripherals, TYPE_BCM2835_PERIPHERALS); @@ -63,10 +68,11 @@ static void bcm2836_init(Object *obj) "vcram-size"); } -static bool bcm283x_common_realize(DeviceState *dev, Error **errp) +bool bcm283x_common_realize(DeviceState *dev, Error **errp) { BCM283XState *s = BCM283X(dev); - BCM283XClass *bc = BCM283X_GET_CLASS(dev); + BCM283XBaseState *s_base = BCM283X_BASE(dev); + BCM283XBaseClass *bc = BCM283X_BASE_GET_CLASS(dev); Object *obj; /* common peripherals from bcm2835 */ @@ -79,90 +85,93 @@ static bool bcm283x_common_realize(DeviceState *dev, Error **errp) return false; } - object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->peripherals), - "sd-bus"); + object_property_add_alias(OBJECT(s_base), "sd-bus", + OBJECT(&s->peripherals), "sd-bus"); - sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->peripherals), 0, - bc->peri_base, 1); + sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->peripherals), + 0, bc->peri_base, 1); return true; } static void bcm2835_realize(DeviceState *dev, Error **errp) { BCM283XState *s = BCM283X(dev); + BCM283XBaseState *s_base = BCM283X_BASE(dev); if (!bcm283x_common_realize(dev, errp)) { return; } - if (!qdev_realize(DEVICE(&s->cpu[0].core), NULL, errp)) { + if (!qdev_realize(DEVICE(&s_base->cpu[0].core), NULL, errp)) { return; } /* Connect irq/fiq outputs from the interrupt controller. */ sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 0, - qdev_get_gpio_in(DEVICE(&s->cpu[0].core), ARM_CPU_IRQ)); + qdev_get_gpio_in(DEVICE(&s_base->cpu[0].core), ARM_CPU_IRQ)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 1, - qdev_get_gpio_in(DEVICE(&s->cpu[0].core), ARM_CPU_FIQ)); + qdev_get_gpio_in(DEVICE(&s_base->cpu[0].core), ARM_CPU_FIQ)); } static void bcm2836_realize(DeviceState *dev, Error **errp) { - BCM283XState *s = BCM283X(dev); - BCM283XClass *bc = BCM283X_GET_CLASS(dev); int n; + BCM283XState *s = BCM283X(dev); + BCM283XBaseState *s_base = BCM283X_BASE(dev); + BCM283XBaseClass *bc = BCM283X_BASE_GET_CLASS(dev); if (!bcm283x_common_realize(dev, errp)) { return; } /* bcm2836 interrupt controller (and mailboxes, etc.) */ - if (!sysbus_realize(SYS_BUS_DEVICE(&s->control), errp)) { + if (!sysbus_realize(SYS_BUS_DEVICE(&s_base->control), errp)) { return; } - sysbus_mmio_map(SYS_BUS_DEVICE(&s->control), 0, bc->ctrl_base); + sysbus_mmio_map(SYS_BUS_DEVICE(&s_base->control), 0, bc->ctrl_base); sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 0, - qdev_get_gpio_in_named(DEVICE(&s->control), "gpu-irq", 0)); + qdev_get_gpio_in_named(DEVICE(&s_base->control), "gpu-irq", 0)); sysbus_connect_irq(SYS_BUS_DEVICE(&s->peripherals), 1, - qdev_get_gpio_in_named(DEVICE(&s->control), "gpu-fiq", 0)); + qdev_get_gpio_in_named(DEVICE(&s_base->control), "gpu-fiq", 0)); for (n = 0; n < BCM283X_NCPUS; n++) { - object_property_set_int(OBJECT(&s->cpu[n].core), "mp-affinity", + object_property_set_int(OBJECT(&s_base->cpu[n].core), "mp-affinity", (bc->clusterid << 8) | n, &error_abort); /* set periphbase/CBAR value for CPU-local registers */ - object_property_set_int(OBJECT(&s->cpu[n].core), "reset-cbar", + object_property_set_int(OBJECT(&s_base->cpu[n].core), "reset-cbar", bc->peri_base, &error_abort); /* start powered off if not enabled */ - object_property_set_bool(OBJECT(&s->cpu[n].core), "start-powered-off", - n >= s->enabled_cpus, &error_abort); + object_property_set_bool(OBJECT(&s_base->cpu[n].core), + "start-powered-off", + n >= s_base->enabled_cpus, &error_abort); - if (!qdev_realize(DEVICE(&s->cpu[n].core), NULL, errp)) { + if (!qdev_realize(DEVICE(&s_base->cpu[n].core), NULL, errp)) { 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->cpu[n].core), ARM_CPU_IRQ)); - qdev_connect_gpio_out_named(DEVICE(&s->control), "fiq", n, - qdev_get_gpio_in(DEVICE(&s->cpu[n].core), ARM_CPU_FIQ)); + qdev_connect_gpio_out_named(DEVICE(&s_base->control), "irq", n, + qdev_get_gpio_in(DEVICE(&s_base->cpu[n].core), ARM_CPU_IRQ)); + qdev_connect_gpio_out_named(DEVICE(&s_base->control), "fiq", n, + qdev_get_gpio_in(DEVICE(&s_base->cpu[n].core), ARM_CPU_FIQ)); /* Connect timers from the CPU to the interrupt controller */ - 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)); + qdev_connect_gpio_out(DEVICE(&s_base->cpu[n].core), GTIMER_PHYS, + qdev_get_gpio_in_named(DEVICE(&s_base->control), "cntpnsirq", n)); + qdev_connect_gpio_out(DEVICE(&s_base->cpu[n].core), GTIMER_VIRT, + qdev_get_gpio_in_named(DEVICE(&s_base->control), "cntvirq", n)); + qdev_connect_gpio_out(DEVICE(&s_base->cpu[n].core), GTIMER_HYP, + qdev_get_gpio_in_named(DEVICE(&s_base->control), "cnthpirq", n)); + qdev_connect_gpio_out(DEVICE(&s_base->cpu[n].core), GTIMER_SEC, + qdev_get_gpio_in_named(DEVICE(&s_base->control), "cntpsirq", n)); } } -static void bcm283x_class_init(ObjectClass *oc, void *data) +static void bcm283x_base_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -173,7 +182,7 @@ static void bcm283x_class_init(ObjectClass *oc, void *data) static void bcm2835_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - BCM283XClass *bc = BCM283X_CLASS(oc); + BCM283XBaseClass *bc = BCM283X_BASE_CLASS(oc); bc->cpu_type = ARM_CPU_TYPE_NAME("arm1176"); bc->core_count = 1; @@ -184,7 +193,7 @@ static void bcm2835_class_init(ObjectClass *oc, void *data) static void bcm2836_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - BCM283XClass *bc = BCM283X_CLASS(oc); + BCM283XBaseClass *bc = BCM283X_BASE_CLASS(oc); bc->cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"); bc->core_count = BCM283X_NCPUS; @@ -198,7 +207,7 @@ static void bcm2836_class_init(ObjectClass *oc, void *data) static void bcm2837_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - BCM283XClass *bc = BCM283X_CLASS(oc); + BCM283XBaseClass *bc = BCM283X_BASE_CLASS(oc); bc->cpu_type = ARM_CPU_TYPE_NAME("cortex-a53"); bc->core_count = BCM283X_NCPUS; @@ -226,11 +235,17 @@ static const TypeInfo bcm283x_types[] = { #endif }, { .name = TYPE_BCM283X, - .parent = TYPE_DEVICE, + .parent = TYPE_BCM283X_BASE, .instance_size = sizeof(BCM283XState), - .instance_init = bcm2836_init, - .class_size = sizeof(BCM283XClass), - .class_init = bcm283x_class_init, + .instance_init = bcm283x_init, + .abstract = true, + }, { + .name = TYPE_BCM283X_BASE, + .parent = TYPE_DEVICE, + .instance_size = sizeof(BCM283XBaseState), + .instance_init = bcm283x_base_init, + .class_size = sizeof(BCM283XBaseClass), + .class_init = bcm283x_base_class_init, .abstract = true, } }; diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c index cc4c4ec9bf..af866ebce2 100644 --- a/hw/arm/raspi.c +++ b/hw/arm/raspi.c @@ -252,7 +252,7 @@ static void setup_boot(MachineState *machine, RaspiProcessorId processor_id, s->binfo.firmware_loaded = true; } - arm_load_kernel(&s->soc.cpu[0].core, machine, &s->binfo); + arm_load_kernel(&s->soc.parent_obj.cpu[0].core, machine, &s->binfo); } static void raspi_machine_init(MachineState *machine) diff --git a/include/hw/arm/bcm2836.h b/include/hw/arm/bcm2836.h index 6f90cabfa3..5a6717ca91 100644 --- a/include/hw/arm/bcm2836.h +++ b/include/hw/arm/bcm2836.h @@ -17,8 +17,10 @@ #include "target/arm/cpu.h" #include "qom/object.h" +#define TYPE_BCM283X_BASE "bcm283x-base" +OBJECT_DECLARE_TYPE(BCM283XBaseState, BCM283XBaseClass, BCM283X_BASE) #define TYPE_BCM283X "bcm283x" -OBJECT_DECLARE_TYPE(BCM283XState, BCM283XClass, BCM283X) +OBJECT_DECLARE_SIMPLE_TYPE(BCM283XState, BCM283X) #define BCM283X_NCPUS 4 @@ -30,7 +32,7 @@ OBJECT_DECLARE_TYPE(BCM283XState, BCM283XClass, BCM283X) #define TYPE_BCM2836 "bcm2836" #define TYPE_BCM2837 "bcm2837" -struct BCM283XState { +struct BCM283XBaseState { /*< private >*/ DeviceState parent_obj; /*< public >*/ @@ -41,7 +43,27 @@ struct BCM283XState { ARMCPU core; } cpu[BCM283X_NCPUS]; BCM2836ControlState control; +}; + +struct BCM283XBaseClass { + /*< private >*/ + DeviceClass parent_class; + /*< public >*/ + const char *name; + const char *cpu_type; + unsigned core_count; + hwaddr peri_base; /* Peripheral base address seen by the CPU */ + hwaddr ctrl_base; /* Interrupt controller and mailboxes etc. */ + int clusterid; +}; + +struct BCM283XState { + /*< private >*/ + BCM283XBaseState parent_obj; + /*< public >*/ BCM2835PeripheralState peripherals; }; +bool bcm283x_common_realize(DeviceState *dev, Error **errp); + #endif /* BCM2836_H */