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_PIC_REG_BASE 0x01c20400 31 #define AW_A10_PIT_REG_BASE 0x01c20c00 32 #define AW_A10_UART0_REG_BASE 0x01c28000 33 #define AW_A10_EMAC_BASE 0x01c0b000 34 #define AW_A10_EHCI_BASE 0x01c14000 35 #define AW_A10_OHCI_BASE 0x01c14400 36 #define AW_A10_SATA_BASE 0x01c18000 37 38 static void aw_a10_init(Object *obj) 39 { 40 AwA10State *s = AW_A10(obj); 41 42 object_initialize_child(obj, "cpu", &s->cpu, sizeof(s->cpu), 43 ARM_CPU_TYPE_NAME("cortex-a8"), 44 &error_abort, NULL); 45 46 sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc), 47 TYPE_AW_A10_PIC); 48 49 sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer), 50 TYPE_AW_A10_PIT); 51 52 sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac), TYPE_AW_EMAC); 53 54 sysbus_init_child_obj(obj, "sata", &s->sata, sizeof(s->sata), 55 TYPE_ALLWINNER_AHCI); 56 57 if (machine_usb(current_machine)) { 58 int i; 59 60 for (i = 0; i < AW_A10_NUM_USB; i++) { 61 sysbus_init_child_obj(obj, "ehci[*]", OBJECT(&s->ehci[i]), 62 sizeof(s->ehci[i]), TYPE_PLATFORM_EHCI); 63 sysbus_init_child_obj(obj, "ohci[*]", OBJECT(&s->ohci[i]), 64 sizeof(s->ohci[i]), TYPE_SYSBUS_OHCI); 65 } 66 } 67 } 68 69 static void aw_a10_realize(DeviceState *dev, Error **errp) 70 { 71 AwA10State *s = AW_A10(dev); 72 SysBusDevice *sysbusdev; 73 Error *err = NULL; 74 75 object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); 76 if (err != NULL) { 77 error_propagate(errp, err); 78 return; 79 } 80 81 object_property_set_bool(OBJECT(&s->intc), true, "realized", &err); 82 if (err != NULL) { 83 error_propagate(errp, err); 84 return; 85 } 86 sysbusdev = SYS_BUS_DEVICE(&s->intc); 87 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE); 88 sysbus_connect_irq(sysbusdev, 0, 89 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ)); 90 sysbus_connect_irq(sysbusdev, 1, 91 qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ)); 92 qdev_pass_gpios(DEVICE(&s->intc), dev, NULL); 93 94 object_property_set_bool(OBJECT(&s->timer), true, "realized", &err); 95 if (err != NULL) { 96 error_propagate(errp, err); 97 return; 98 } 99 sysbusdev = SYS_BUS_DEVICE(&s->timer); 100 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE); 101 sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 22)); 102 sysbus_connect_irq(sysbusdev, 1, qdev_get_gpio_in(dev, 23)); 103 sysbus_connect_irq(sysbusdev, 2, qdev_get_gpio_in(dev, 24)); 104 sysbus_connect_irq(sysbusdev, 3, qdev_get_gpio_in(dev, 25)); 105 sysbus_connect_irq(sysbusdev, 4, qdev_get_gpio_in(dev, 67)); 106 sysbus_connect_irq(sysbusdev, 5, qdev_get_gpio_in(dev, 68)); 107 108 memory_region_init_ram(&s->sram_a, OBJECT(dev), "sram A", 48 * KiB, 109 &error_fatal); 110 memory_region_add_subregion(get_system_memory(), 0x00000000, &s->sram_a); 111 create_unimplemented_device("a10-sram-ctrl", 0x01c00000, 4 * KiB); 112 113 /* FIXME use qdev NIC properties instead of nd_table[] */ 114 if (nd_table[0].used) { 115 qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC); 116 qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); 117 } 118 object_property_set_bool(OBJECT(&s->emac), true, "realized", &err); 119 if (err != NULL) { 120 error_propagate(errp, err); 121 return; 122 } 123 sysbusdev = SYS_BUS_DEVICE(&s->emac); 124 sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE); 125 sysbus_connect_irq(sysbusdev, 0, qdev_get_gpio_in(dev, 55)); 126 127 object_property_set_bool(OBJECT(&s->sata), true, "realized", &err); 128 if (err) { 129 error_propagate(errp, err); 130 return; 131 } 132 sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE); 133 sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, qdev_get_gpio_in(dev, 56)); 134 135 /* FIXME use a qdev chardev prop instead of serial_hd() */ 136 serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, 137 qdev_get_gpio_in(dev, 1), 138 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN); 139 140 if (machine_usb(current_machine)) { 141 int i; 142 143 for (i = 0; i < AW_A10_NUM_USB; i++) { 144 char bus[16]; 145 146 sprintf(bus, "usb-bus.%d", i); 147 148 object_property_set_bool(OBJECT(&s->ehci[i]), true, 149 "companion-enable", &error_fatal); 150 object_property_set_bool(OBJECT(&s->ehci[i]), true, "realized", 151 &error_fatal); 152 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0, 153 AW_A10_EHCI_BASE + i * 0x8000); 154 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0, 155 qdev_get_gpio_in(dev, 39 + i)); 156 157 object_property_set_str(OBJECT(&s->ohci[i]), bus, "masterbus", 158 &error_fatal); 159 object_property_set_bool(OBJECT(&s->ohci[i]), true, "realized", 160 &error_fatal); 161 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci[i]), 0, 162 AW_A10_OHCI_BASE + i * 0x8000); 163 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci[i]), 0, 164 qdev_get_gpio_in(dev, 64 + i)); 165 } 166 } 167 } 168 169 static 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 } 177 178 static 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 }; 185 186 static void aw_a10_register_types(void) 187 { 188 type_register_static(&aw_a10_type_info); 189 } 190 191 type_init(aw_a10_register_types) 192