xref: /qemu/hw/arm/allwinner-a10.c (revision 72ac97cd)
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     if (nd_table[0].used) {
38         qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
39         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
40     }
41 }
42 
43 static void aw_a10_realize(DeviceState *dev, Error **errp)
44 {
45     AwA10State *s = AW_A10(dev);
46     SysBusDevice *sysbusdev;
47     uint8_t i;
48     qemu_irq fiq, irq;
49     Error *err = NULL;
50 
51     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
52     if (err != NULL) {
53         error_propagate(errp, err);
54         return;
55     }
56     irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ);
57     fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ);
58 
59     object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
60     if (err != NULL) {
61         error_propagate(errp, err);
62         return;
63     }
64     sysbusdev = SYS_BUS_DEVICE(&s->intc);
65     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
66     sysbus_connect_irq(sysbusdev, 0, irq);
67     sysbus_connect_irq(sysbusdev, 1, fiq);
68     for (i = 0; i < AW_A10_PIC_INT_NR; i++) {
69         s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i);
70     }
71 
72     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
73     if (err != NULL) {
74         error_propagate(errp, err);
75         return;
76     }
77     sysbusdev = SYS_BUS_DEVICE(&s->timer);
78     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
79     sysbus_connect_irq(sysbusdev, 0, s->irq[22]);
80     sysbus_connect_irq(sysbusdev, 1, s->irq[23]);
81     sysbus_connect_irq(sysbusdev, 2, s->irq[24]);
82     sysbus_connect_irq(sysbusdev, 3, s->irq[25]);
83     sysbus_connect_irq(sysbusdev, 4, s->irq[67]);
84     sysbus_connect_irq(sysbusdev, 5, s->irq[68]);
85 
86     object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
87     if (err != NULL) {
88         error_propagate(errp, err);
89         return;
90     }
91     sysbusdev = SYS_BUS_DEVICE(&s->emac);
92     sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
93     sysbus_connect_irq(sysbusdev, 0, s->irq[55]);
94 
95     serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1],
96                    115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);
97 }
98 
99 static void aw_a10_class_init(ObjectClass *oc, void *data)
100 {
101     DeviceClass *dc = DEVICE_CLASS(oc);
102 
103     dc->realize = aw_a10_realize;
104 }
105 
106 static const TypeInfo aw_a10_type_info = {
107     .name = TYPE_AW_A10,
108     .parent = TYPE_DEVICE,
109     .instance_size = sizeof(AwA10State),
110     .instance_init = aw_a10_init,
111     .class_init = aw_a10_class_init,
112 };
113 
114 static void aw_a10_register_types(void)
115 {
116     type_register_static(&aw_a10_type_info);
117 }
118 
119 type_init(aw_a10_register_types)
120