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 "qemu/osdep.h"
  19 #include "qapi/error.h"
  20 #include "qemu-common.h"
  21 #include "cpu.h"
  22 #include "hw/sysbus.h"
  23 #include "hw/devices.h"
  24 #include "hw/arm/allwinner-a10.h"
  25 #include "hw/misc/unimp.h"
  26
  27 static void aw_a10_init(Object *obj)
  28 {
  29     AwA10State *s = AW_A10(obj);
  30
  31     object_initialize_child(obj, "cpu", &s->cpu, sizeof(s->cpu),
  32                             "cortex-a8-" TYPE_ARM_CPU, &error_abort, NULL);
  33
  34     sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
  35                           TYPE_AW_A10_PIC);
  36
  37     sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer),
  38                           TYPE_AW_A10_PIT);
  39
  40     sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac), TYPE_AW_EMAC);
  41
  42     sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata),
  43                           TYPE_ALLWINNER_AHCI);
  44 }
  45
  46 static void aw_a10_realize(DeviceState *dev, Error **errp)
  47 {
  48     AwA10State *s = AW_A10(dev);
  49     SysBusDevice *sysbusdev;
  50     uint8_t i;
  51     qemu_irq fiq, irq;
  52     Error *err = NULL;
  53
  54     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
  55     if (err != NULL) {
  56         error_propagate(errp, err);
  57         return;
  58     }
  59     irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ);
  60     fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ);
  61
  62     object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
  63     if (err != NULL) {
  64         error_propagate(errp, err);
  65         return;
  66     }
  67     sysbusdev = SYS_BUS_DEVICE(&s->intc);
  68     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
  69     sysbus_connect_irq(sysbusdev, 0, irq);
  70     sysbus_connect_irq(sysbusdev, 1, fiq);
  71     for (i = 0; i < AW_A10_PIC_INT_NR; i++) {
  72         s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i);
  73     }
  74
  75     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
  76     if (err != NULL) {
  77         error_propagate(errp, err);
  78         return;
  79     }
  80     sysbusdev = SYS_BUS_DEVICE(&s->timer);
  81     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
  82     sysbus_connect_irq(sysbusdev, 0, s->irq[22]);
  83     sysbus_connect_irq(sysbusdev, 1, s->irq[23]);
  84     sysbus_connect_irq(sysbusdev, 2, s->irq[24]);
  85     sysbus_connect_irq(sysbusdev, 3, s->irq[25]);
  86     sysbus_connect_irq(sysbusdev, 4, s->irq[67]);
  87     sysbus_connect_irq(sysbusdev, 5, s->irq[68]);
  88
  89     memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB,
  90                            &error_fatal);
  91     memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a);
  92     create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB);
  93
  94     /* FIXME use qdev NIC properties instead of nd_table[] */
  95     if (nd_table[0].used) {
  96         qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
  97         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
  98     }
  99     object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
 100     if (err != NULL) {
 101         error_propagate(errp, err);
 102         return;
 103     }
 104     sysbusdev = SYS_BUS_DEVICE(&s->emac);
 105     sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
 106     sysbus_connect_irq(sysbusdev, 0, s->irq[55]);
 107
 108     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
 109     if (err) {
 110         error_propagate(errp, err);
 111         return;
 112     }
 113     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE);
 114     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, s->irq[56]);
 115
 116     /* FIXME use a qdev chardev prop instead of serial_hd() */
 117     serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1],
 118                    115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
 119 }
 120
 121 static void aw_a10_class_init(ObjectClass *oc, void *data)
 122 {
 123     DeviceClass *dc = DEVICE_CLASS(oc);
 124
 125     dc->realize = aw_a10_realize;
 126     /* Reason: Uses serial_hds and nd_table in realize function */
 127     dc->user_creatable = false;
 128 }
 129
 130 static const TypeInfo aw_a10_type_info = {
 131     .name = TYPE_AW_A10,
 132     .parent = TYPE_DEVICE,
 133     .instance_size = sizeof(AwA10State),
 134     .instance_init = aw_a10_init,
 135     .class_init = aw_a10_class_init,
 136 };
 137
 138 static void aw_a10_register_types(void)
 139 {
 140     type_register_static(&aw_a10_type_info);
 141 }
 142
 143 type_init(aw_a10_register_types)