qemu/hw/arm/allwinner-a10.c
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   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/module.h"
  21#include "hw/sysbus.h"
  22#include "hw/arm/allwinner-a10.h"
  23#include "hw/misc/unimp.h"
  24#include "sysemu/sysemu.h"
  25#include "hw/boards.h"
  26#include "hw/usb/hcd-ohci.h"
  27
  28#define AW_A10_MMC0_BASE        0x01c0f000
  29#define AW_A10_PIC_REG_BASE     0x01c20400
  30#define AW_A10_PIT_REG_BASE     0x01c20c00
  31#define AW_A10_UART0_REG_BASE   0x01c28000
  32#define AW_A10_EMAC_BASE        0x01c0b000
  33#define AW_A10_EHCI_BASE        0x01c14000
  34#define AW_A10_OHCI_BASE        0x01c14400
  35#define AW_A10_SATA_BASE        0x01c18000
  36#define AW_A10_RTC_BASE         0x01c20d00
  37
  38static void aw_a10_init(Object *obj)
  39{
  40    AwA10State *s = AW_A10(obj);
  41
  42    object_initialize_child(obj, "cpu", &s->cpu,
  43                            ARM_CPU_TYPE_NAME("cortex-a8"));
  44
  45    object_initialize_child(obj, "intc", &s->intc, TYPE_AW_A10_PIC);
  46
  47    object_initialize_child(obj, "timer", &s->timer, TYPE_AW_A10_PIT);
  48
  49    object_initialize_child(obj, "emac", &s->emac, TYPE_AW_EMAC);
  50
  51    object_initialize_child(obj, "sata", &s->sata, TYPE_ALLWINNER_AHCI);
  52
  53    if (machine_usb(current_machine)) {
  54        int i;
  55
  56        for (i = 0; i < AW_A10_NUM_USB; i++) {
  57            object_initialize_child(obj, "ehci[*]", &s->ehci[i],
  58                                    TYPE_PLATFORM_EHCI);
  59            object_initialize_child(obj, "ohci[*]", &s->ohci[i],
  60                                    TYPE_SYSBUS_OHCI);
  61        }
  62    }
  63
  64    object_initialize_child(obj, "mmc0", &s->mmc0, TYPE_AW_SDHOST_SUN4I);
  65
  66    object_initialize_child(obj, "rtc", &s->rtc, TYPE_AW_RTC_SUN4I);
  67}
  68
  69static void aw_a10_realize(DeviceState *dev, Error **errp)
  70{
  71    AwA10State *s = AW_A10(dev);
  72    SysBusDevice *sysbusdev;
  73
  74    if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
  75        return;
  76    }
  77
  78    if (!sysbus_realize(SYS_BUS_DEVICE(&s->intc), errp)) {
  79        return;
  80    }
  81    sysbusdev = SYS_BUS_DEVICE(&s->intc);
  82    sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
  83    sysbus_connect_irq(sysbusdev, 0,
  84                       qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
  85    sysbus_connect_irq(sysbusdev, 1,
  86                       qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
  87    qdev_pass_gpios(DEVICE(&s->intc), dev, NULL);
  88
  89    if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer), errp)) {
  90        return;
  91    }
  92    sysbusdev = SYS_BUS_DEVICE(&s->timer);
  93    sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
  94    sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 22));
  95    sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(dev, 23));
  96    sysbus_connect_irq(sysbusdev, 2, qdev_get_gpio_in(dev, 24));
  97    sysbus_connect_irq(sysbusdev, 3, qdev_get_gpio_in(dev, 25));
  98    sysbus_connect_irq(sysbusdev, 4, qdev_get_gpio_in(dev, 67));
  99    sysbus_connect_irq(sysbusdev, 5, qdev_get_gpio_in(dev, 68));
 100
 101    memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB,
 102                           &error_fatal);
 103    memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a);
 104    create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB);
 105
 106    /* FIXME use qdev NIC properties instead of nd_table[] */
 107    if (nd_table[0].used) {
 108        qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
 109        qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
 110    }
 111    if (!sysbus_realize(SYS_BUS_DEVICE(&s->emac), errp)) {
 112        return;
 113    }
 114    sysbusdev = SYS_BUS_DEVICE(&s->emac);
 115    sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
 116    sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 55));
 117
 118    if (!sysbus_realize(SYS_BUS_DEVICE(&s->sata), errp)) {
 119        return;
 120    }
 121    sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE);
 122    sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, qdev_get_gpio_in(dev, 56));
 123
 124    /* FIXME use a qdev chardev prop instead of serial_hd() */
 125    serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2,
 126                   qdev_get_gpio_in(dev, 1),
 127                   115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
 128
 129    if (machine_usb(current_machine)) {
 130        int i;
 131
 132        for (i = 0; i < AW_A10_NUM_USB; i++) {
 133            char bus[16];
 134
 135            sprintf(bus, "usb-bus.%d", i);
 136
 137            object_property_set_bool(OBJECT(&s->ehci[i]), "companion-enable",
 138                                     true, &error_fatal);
 139            sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), &error_fatal);
 140            sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
 141                            AW_A10_EHCI_BASE + i * 0x8000);
 142            sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
 143                               qdev_get_gpio_in(dev, 39 + i));
 144
 145            object_property_set_str(OBJECT(&s->ohci[i]), "masterbus", bus,
 146                                    &error_fatal);
 147            sysbus_realize(SYS_BUS_DEVICE(&s->ohci[i]), &error_fatal);
 148            sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0,
 149                            AW_A10_OHCI_BASE + i * 0x8000);
 150            sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0,
 151                               qdev_get_gpio_in(dev, 64 + i));
 152        }
 153    }
 154
 155    /* SD/MMC */
 156    object_property_set_link(OBJECT(&s->mmc0), "dma-memory",
 157                             OBJECT(get_system_memory()), &error_fatal);
 158    sysbus_realize(SYS_BUS_DEVICE(&s->mmc0), &error_fatal);
 159    sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, AW_A10_MMC0_BASE);
 160    sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0, qdev_get_gpio_in(dev, 32));
 161    object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
 162                              "sd-bus");
 163
 164    /* RTC */
 165    sysbus_realize(SYS_BUS_DEVICE(&s->rtc), &error_fatal);
 166    sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->rtc), 0, AW_A10_RTC_BASE, 10);
 167}
 168
 169static void aw_a10_class_init(ObjectClass *oc, void *data)
 170{
 171    DeviceClass *dc = DEVICE_CLASS(oc);
 172
 173    dc->realize = aw_a10_realize;
 174    /* Reason: Uses serial_hds and nd_table in realize function */
 175    dc->user_creatable = false;
 176}
 177
 178static const TypeInfo aw_a10_type_info = {
 179    .name = TYPE_AW_A10,
 180    .parent = TYPE_DEVICE,
 181    .instance_size = sizeof(AwA10State),
 182    .instance_init = aw_a10_init,
 183    .class_init = aw_a10_class_init,
 184};
 185
 186static void aw_a10_register_types(void)
 187{
 188    type_register_static(&aw_a10_type_info);
 189}
 190
 191type_init(aw_a10_register_types)
 192