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