hw/arm/allwinner-a10.c

   1 /*
   2  * Allwinner A10 SoC emulation
   3  *
   4  * Copyright (C) 2013 Li Guang
   5  * Written by Li Guang <lig.fnst@cn.fujitsu.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 #include "hw/sysbus.h"
  19 #include "hw/devices.h"
  20 #include "hw/arm/allwinner-a10.h"
  21
  22 static void aw_a10_init(Object *obj)
  23 {
  24     AwA10State *s = AW_A10(obj);
  25
  26     object_initialize(&s->cpu, sizeof(s->cpu), "cortex-a8-" TYPE_ARM_CPU);
  27     object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL);
  28
  29     object_initialize(&s->intc, sizeof(s->intc), TYPE_AW_A10_PIC);
  30     qdev_set_parent_bus(DEVICE(&s->intc), sysbus_get_default());
  31
  32     object_initialize(&s->timer, sizeof(s->timer), TYPE_AW_A10_PIT);
  33     qdev_set_parent_bus(DEVICE(&s->timer), sysbus_get_default());
  34
  35     object_initialize(&s->emac, sizeof(s->emac), TYPE_AW_EMAC);
  36     qdev_set_parent_bus(DEVICE(&s->emac), sysbus_get_default());
  37     if (nd_table[0].used) {
  38         qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
  39         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
  40     }
  41 }
  42
  43 static void aw_a10_realize(DeviceState *dev, Error **errp)
  44 {
  45     AwA10State *s = AW_A10(dev);
  46     SysBusDevice *sysbusdev;
  47     uint8_t i;
  48     qemu_irq fiq, irq;
  49     Error *err = NULL;
  50
  51     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
  52     if (err != NULL) {
  53         error_propagate(errp, err);
  54         return;
  55     }
  56     irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ);
  57     fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ);
  58
  59     object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
  60     if (err != NULL) {
  61         error_propagate(errp, err);
  62         return;
  63     }
  64     sysbusdev = SYS_BUS_DEVICE(&s->intc);
  65     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
  66     sysbus_connect_irq(sysbusdev, 0, irq);
  67     sysbus_connect_irq(sysbusdev, 1, fiq);
  68     for (i = 0; i < AW_A10_PIC_INT_NR; i++) {
  69         s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i);
  70     }
  71
  72     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
  73     if (err != NULL) {
  74         error_propagate(errp, err);
  75         return;
  76     }
  77     sysbusdev = SYS_BUS_DEVICE(&s->timer);
  78     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
  79     sysbus_connect_irq(sysbusdev, 0, s->irq[22]);
  80     sysbus_connect_irq(sysbusdev, 1, s->irq[23]);
  81     sysbus_connect_irq(sysbusdev, 2, s->irq[24]);
  82     sysbus_connect_irq(sysbusdev, 3, s->irq[25]);
  83     sysbus_connect_irq(sysbusdev, 4, s->irq[67]);
  84     sysbus_connect_irq(sysbusdev, 5, s->irq[68]);
  85
  86     object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
  87     if (err != NULL) {
  88         error_propagate(errp, err);
  89         return;
  90     }
  91     sysbusdev = SYS_BUS_DEVICE(&s->emac);
  92     sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
  93     sysbus_connect_irq(sysbusdev, 0, s->irq[55]);
  94
  95     /* FIXME use a qdev chardev prop instead of serial_hds[] */
  96     serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1],
  97                    115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);
  98 }
  99
 100 static void aw_a10_class_init(ObjectClass *oc, void *data)
 101 {
 102     DeviceClass *dc = DEVICE_CLASS(oc);
 103
 104     dc->realize = aw_a10_realize;
 105 }
 106
 107 static const TypeInfo aw_a10_type_info = {
 108     .name = TYPE_AW_A10,
 109     .parent = TYPE_DEVICE,
 110     .instance_size = sizeof(AwA10State),
 111     .instance_init = aw_a10_init,
 112     .class_init = aw_a10_class_init,
 113 };
 114
 115 static void aw_a10_register_types(void)
 116 {
 117     type_register_static(&aw_a10_type_info);
 118 }
 119
 120 type_init(aw_a10_register_types)