qemu/hw/arm/allwinner-a10.c

143 lines
4.6 KiB
C

/*
* Allwinner A10 SoC emulation
*
* Copyright (C) 2013 Li Guang
* Written by Li Guang <lig.fnst@cn.fujitsu.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "cpu.h"
#include "hw/sysbus.h"
#include "hw/arm/allwinner-a10.h"
#include "hw/misc/unimp.h"
static void aw_a10_init(Object *obj)
{
AwA10State *s = AW_A10(obj);
object_initialize_child(obj, "cpu", &s->cpu, sizeof(s->cpu),
"cortex-a8-" TYPE_ARM_CPU, &error_abort, NULL);
sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
TYPE_AW_A10_PIC);
sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer),
TYPE_AW_A10_PIT);
sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac), TYPE_AW_EMAC);
sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata),
TYPE_ALLWINNER_AHCI);
}
static void aw_a10_realize(DeviceState *dev, Error **errp)
{
AwA10State *s = AW_A10(dev);
SysBusDevice *sysbusdev;
uint8_t i;
qemu_irq fiq, irq;
Error *err = NULL;
object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ);
fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ);
object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
sysbusdev = SYS_BUS_DEVICE(&s->intc);
sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
sysbus_connect_irq(sysbusdev, 0, irq);
sysbus_connect_irq(sysbusdev, 1, fiq);
for (i = 0; i < AW_A10_PIC_INT_NR; i++) {
s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i);
}
object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
sysbusdev = SYS_BUS_DEVICE(&s->timer);
sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
sysbus_connect_irq(sysbusdev, 0, s->irq[22]);
sysbus_connect_irq(sysbusdev, 1, s->irq[23]);
sysbus_connect_irq(sysbusdev, 2, s->irq[24]);
sysbus_connect_irq(sysbusdev, 3, s->irq[25]);
sysbus_connect_irq(sysbusdev, 4, s->irq[67]);
sysbus_connect_irq(sysbusdev, 5, s->irq[68]);
memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB,
&error_fatal);
memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a);
create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB);
/* FIXME use qdev NIC properties instead of nd_table[] */
if (nd_table[0].used) {
qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
}
object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
sysbusdev = SYS_BUS_DEVICE(&s->emac);
sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
sysbus_connect_irq(sysbusdev, 0, s->irq[55]);
object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, s->irq[56]);
/* FIXME use a qdev chardev prop instead of serial_hd() */
serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1],
115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
}
static void aw_a10_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = aw_a10_realize;
/* Reason: Uses serial_hds and nd_table in realize function */
dc->user_creatable = false;
}
static const TypeInfo aw_a10_type_info = {
.name = TYPE_AW_A10,
.parent = TYPE_DEVICE,
.instance_size = sizeof(AwA10State),
.instance_init = aw_a10_init,
.class_init = aw_a10_class_init,
};
static void aw_a10_register_types(void)
{
type_register_static(&aw_a10_type_info);
}
type_init(aw_a10_register_types)