hw/arm/allwinner-a10.c

   1 /*
   2  * Allwinner A10 SoC emulation
   3  *
   4  * Copyright (C) 2013 Li Guang
   5  * Written by Li Guang <[email protected]>
   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     sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
  48                           TYPE_AW_A10_PIC);
  49
  50     sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer),
  51                           TYPE_AW_A10_PIT);
  52
  53     sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac), TYPE_AW_EMAC);
  54
  55     sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata),
  56                           TYPE_ALLWINNER_AHCI);
  57
  58     if (machine_usb(current_machine)) {
  59         int i;
  60
  61         for (i = 0; i < AW_A10_NUM_USB; i++) {
  62             sysbus_init_child_obj(obj, "ehci[*]", OBJECT(&s->ehci[i]),
  63                                   sizeof(s->ehci[i]), TYPE_PLATFORM_EHCI);
  64             sysbus_init_child_obj(obj, "ohci[*]", OBJECT(&s->ohci[i]),
  65                                   sizeof(s->ohci[i]), TYPE_SYSBUS_OHCI);
  66         }
  67     }
  68
  69     sysbus_init_child_obj(obj, "mmc0", &s->mmc0, sizeof(s->mmc0),
  70                           TYPE_AW_SDHOST_SUN4I);
  71
  72     sysbus_init_child_obj(obj, "rtc", &s->rtc, sizeof(s->rtc),
  73                           TYPE_AW_RTC_SUN4I);
  74 }
  75
  76 static void aw_a10_realize(DeviceState *dev, Error **errp)
  77 {
  78     AwA10State *s = AW_A10(dev);
  79     SysBusDevice *sysbusdev;
  80     Error *err = NULL;
  81
  82     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
  83     if (err != NULL) {
  84         error_propagate(errp, err);
  85         return;
  86     }
  87
  88     object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
  89     if (err != NULL) {
  90         error_propagate(errp, err);
  91         return;
  92     }
  93     sysbusdev = SYS_BUS_DEVICE(&s->intc);
  94     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
  95     sysbus_connect_irq(sysbusdev, 0,
  96                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
  97     sysbus_connect_irq(sysbusdev, 1,
  98                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
  99     qdev_pass_gpios(DEVICE(&s->intc), dev, NULL);
 100
 101     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
 102     if (err != NULL) {
 103         error_propagate(errp, err);
 104         return;
 105     }
 106     sysbusdev = SYS_BUS_DEVICE(&s->timer);
 107     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
 108     sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 22));
 109     sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(dev, 23));
 110     sysbus_connect_irq(sysbusdev, 2, qdev_get_gpio_in(dev, 24));
 111     sysbus_connect_irq(sysbusdev, 3, qdev_get_gpio_in(dev, 25));
 112     sysbus_connect_irq(sysbusdev, 4, qdev_get_gpio_in(dev, 67));
 113     sysbus_connect_irq(sysbusdev, 5, qdev_get_gpio_in(dev, 68));
 114
 115     memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB,
 116                            &error_fatal);
 117     memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a);
 118     create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB);
 119
 120     /* FIXME use qdev NIC properties instead of nd_table[] */
 121     if (nd_table[0].used) {
 122         qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
 123         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
 124     }
 125     object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
 126     if (err != NULL) {
 127         error_propagate(errp, err);
 128         return;
 129     }
 130     sysbusdev = SYS_BUS_DEVICE(&s->emac);
 131     sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
 132     sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 55));
 133
 134     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
 135     if (err) {
 136         error_propagate(errp, err);
 137         return;
 138     }
 139     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE);
 140     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, qdev_get_gpio_in(dev, 56));
 141
 142     /* FIXME use a qdev chardev prop instead of serial_hd() */
 143     serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2,
 144                    qdev_get_gpio_in(dev, 1),
 145                    115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
 146
 147     if (machine_usb(current_machine)) {
 148         int i;
 149
 150         for (i = 0; i < AW_A10_NUM_USB; i++) {
 151             char bus[16];
 152
 153             sprintf(bus, "usb-bus.%d", i);
 154
 155             object_property_set_bool(OBJECT(&s->ehci[i]), true,
 156                                      "companion-enable", &error_fatal);
 157             object_property_set_bool(OBJECT(&s->ehci[i]), true, "realized",
 158                                      &error_fatal);
 159             sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
 160                             AW_A10_EHCI_BASE + i * 0x8000);
 161             sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
 162                                qdev_get_gpio_in(dev, 39 + i));
 163
 164             object_property_set_str(OBJECT(&s->ohci[i]), bus, "masterbus",
 165                                     &error_fatal);
 166             object_property_set_bool(OBJECT(&s->ohci[i]), true, "realized",
 167                                      &error_fatal);
 168             sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0,
 169                             AW_A10_OHCI_BASE + i * 0x8000);
 170             sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0,
 171                                qdev_get_gpio_in(dev, 64 + i));
 172         }
 173     }
 174
 175     /* SD/MMC */
 176     qdev_init_nofail(DEVICE(&s->mmc0));
 177     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, AW_A10_MMC0_BASE);
 178     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0, qdev_get_gpio_in(dev, 32));
 179     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
 180                               "sd-bus");
 181
 182     /* RTC */
 183     qdev_init_nofail(DEVICE(&s->rtc));
 184     sysbus_mmio_map_overlap(SYS_BUS_DEVICE(&s->rtc), 0, AW_A10_RTC_BASE, 10);
 185 }
 186
 187 static void aw_a10_class_init(ObjectClass *oc, void *data)
 188 {
 189     DeviceClass *dc = DEVICE_CLASS(oc);
 190
 191     dc->realize = aw_a10_realize;
 192     /* Reason: Uses serial_hds and nd_table in realize function */
 193     dc->user_creatable = false;
 194 }
 195
 196 static const TypeInfo aw_a10_type_info = {
 197     .name = TYPE_AW_A10,
 198     .parent = TYPE_DEVICE,
 199     .instance_size = sizeof(AwA10State),
 200     .instance_init = aw_a10_init,
 201     .class_init = aw_a10_class_init,
 202 };
 203
 204 static void aw_a10_register_types(void)
 205 {
 206     type_register_static(&aw_a10_type_info);
 207 }
 208
 209 type_init(aw_a10_register_types)