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 "hw/sysbus.h" 19 #include "hw/devices.h" 20 #include "hw/arm/allwinner-a10.h" 21 22 static void aw_a10_init(Object *obj) 23 { 24 AwA10State *s = AW_A10(obj); 25 26 object_initialize(&s->cpu, sizeof(s->cpu), "cortex-a8-" TYPE_ARM_CPU); 27 object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL); 28 29 object_initialize(&s->intc, sizeof(s->intc), TYPE_AW_A10_PIC); 30 qdev_set_parent_bus(DEVICE(&s->intc), sysbus_get_default()); 31 32 object_initialize(&s->timer, sizeof(s->timer), TYPE_AW_A10_PIT); 33 qdev_set_parent_bus(DEVICE(&s->timer), sysbus_get_default()); 34 35 object_initialize(&s->emac, sizeof(s->emac), TYPE_AW_EMAC); 36 qdev_set_parent_bus(DEVICE(&s->emac), sysbus_get_default()); 37 /* FIXME use qdev NIC properties instead of nd_table[] */ 38 if (nd_table[0].used) { 39 qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC); 40 qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); 41 } 42 } 43 44 static void aw_a10_realize(DeviceState *dev, Error **errp) 45 { 46 AwA10State *s = AW_A10(dev); 47 SysBusDevice *sysbusdev; 48 uint8_t i; 49 qemu_irq fiq, irq; 50 Error *err = NULL; 51 52 object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err); 53 if (err != NULL) { 54 error_propagate(errp, err); 55 return; 56 } 57 irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ); 58 fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ); 59 60 object_property_set_bool(OBJECT(&s->intc), true, "realized", &err); 61 if (err != NULL) { 62 error_propagate(errp, err); 63 return; 64 } 65 sysbusdev = SYS_BUS_DEVICE(&s->intc); 66 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE); 67 sysbus_connect_irq(sysbusdev, 0, irq); 68 sysbus_connect_irq(sysbusdev, 1, fiq); 69 for (i = 0; i < AW_A10_PIC_INT_NR; i++) { 70 s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i); 71 } 72 73 object_property_set_bool(OBJECT(&s->timer), true, "realized", &err); 74 if (err != NULL) { 75 error_propagate(errp, err); 76 return; 77 } 78 sysbusdev = SYS_BUS_DEVICE(&s->timer); 79 sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE); 80 sysbus_connect_irq(sysbusdev, 0, s->irq[22]); 81 sysbus_connect_irq(sysbusdev, 1, s->irq[23]); 82 sysbus_connect_irq(sysbusdev, 2, s->irq[24]); 83 sysbus_connect_irq(sysbusdev, 3, s->irq[25]); 84 sysbus_connect_irq(sysbusdev, 4, s->irq[67]); 85 sysbus_connect_irq(sysbusdev, 5, s->irq[68]); 86 87 object_property_set_bool(OBJECT(&s->emac), true, "realized", &err); 88 if (err != NULL) { 89 error_propagate(errp, err); 90 return; 91 } 92 sysbusdev = SYS_BUS_DEVICE(&s->emac); 93 sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE); 94 sysbus_connect_irq(sysbusdev, 0, s->irq[55]); 95 96 /* FIXME use a qdev chardev prop instead of serial_hds[] */ 97 serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1], 98 115200, serial_hds[0], DEVICE_NATIVE_ENDIAN); 99 } 100 101 static void aw_a10_class_init(ObjectClass *oc, void *data) 102 { 103 DeviceClass *dc = DEVICE_CLASS(oc); 104 105 dc->realize = aw_a10_realize; 106 107 /* 108 * Reason: creates an ARM CPU, thus use after free(), see 109 * arm_cpu_class_init() 110 */ 111 dc->cannot_destroy_with_object_finalize_yet = true; 112 } 113 114 static const TypeInfo aw_a10_type_info = { 115 .name = TYPE_AW_A10, 116 .parent = TYPE_DEVICE, 117 .instance_size = sizeof(AwA10State), 118 .instance_init = aw_a10_init, 119 .class_init = aw_a10_class_init, 120 }; 121 122 static void aw_a10_register_types(void) 123 { 124 type_register_static(&aw_a10_type_info); 125 } 126 127 type_init(aw_a10_register_types) 128