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) 194