xref: /openbmc/qemu/hw/arm/allwinner-a10.c (revision 795c40b8)
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 "qapi/error.h"
20 #include "qemu-common.h"
21 #include "cpu.h"
22 #include "hw/sysbus.h"
23 #include "hw/devices.h"
24 #include "hw/arm/allwinner-a10.h"
25 
26 static void aw_a10_init(Object *obj)
27 {
28     AwA10State *s = AW_A10(obj);
29 
30     object_initialize(&s->cpu, sizeof(s->cpu), "cortex-a8-" TYPE_ARM_CPU);
31     object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL);
32 
33     object_initialize(&s->intc, sizeof(s->intc), TYPE_AW_A10_PIC);
34     qdev_set_parent_bus(DEVICE(&s->intc), sysbus_get_default());
35 
36     object_initialize(&s->timer, sizeof(s->timer), TYPE_AW_A10_PIT);
37     qdev_set_parent_bus(DEVICE(&s->timer), sysbus_get_default());
38 
39     object_initialize(&s->emac, sizeof(s->emac), TYPE_AW_EMAC);
40     qdev_set_parent_bus(DEVICE(&s->emac), sysbus_get_default());
41     /* FIXME use qdev NIC properties instead of nd_table[] */
42     if (nd_table[0].used) {
43         qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC);
44         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
45     }
46 
47     object_initialize(&s->sata, sizeof(s->sata), TYPE_ALLWINNER_AHCI);
48     qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default());
49 }
50 
51 static void aw_a10_realize(DeviceState *dev, Error **errp)
52 {
53     AwA10State *s = AW_A10(dev);
54     SysBusDevice *sysbusdev;
55     uint8_t i;
56     qemu_irq fiq, irq;
57     Error *err = NULL;
58 
59     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
60     if (err != NULL) {
61         error_propagate(errp, err);
62         return;
63     }
64     irq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ);
65     fiq = qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ);
66 
67     object_property_set_bool(OBJECT(&s->intc), true, "realized", &err);
68     if (err != NULL) {
69         error_propagate(errp, err);
70         return;
71     }
72     sysbusdev = SYS_BUS_DEVICE(&s->intc);
73     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIC_REG_BASE);
74     sysbus_connect_irq(sysbusdev, 0, irq);
75     sysbus_connect_irq(sysbusdev, 1, fiq);
76     for (i = 0; i < AW_A10_PIC_INT_NR; i++) {
77         s->irq[i] = qdev_get_gpio_in(DEVICE(&s->intc), i);
78     }
79 
80     object_property_set_bool(OBJECT(&s->timer), true, "realized", &err);
81     if (err != NULL) {
82         error_propagate(errp, err);
83         return;
84     }
85     sysbusdev = SYS_BUS_DEVICE(&s->timer);
86     sysbus_mmio_map(sysbusdev, 0, AW_A10_PIT_REG_BASE);
87     sysbus_connect_irq(sysbusdev, 0, s->irq[22]);
88     sysbus_connect_irq(sysbusdev, 1, s->irq[23]);
89     sysbus_connect_irq(sysbusdev, 2, s->irq[24]);
90     sysbus_connect_irq(sysbusdev, 3, s->irq[25]);
91     sysbus_connect_irq(sysbusdev, 4, s->irq[67]);
92     sysbus_connect_irq(sysbusdev, 5, s->irq[68]);
93 
94     object_property_set_bool(OBJECT(&s->emac), true, "realized", &err);
95     if (err != NULL) {
96         error_propagate(errp, err);
97         return;
98     }
99     sysbusdev = SYS_BUS_DEVICE(&s->emac);
100     sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE);
101     sysbus_connect_irq(sysbusdev, 0, s->irq[55]);
102 
103     object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
104     if (err) {
105         error_propagate(errp, err);
106         return;
107     }
108     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE);
109     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, s->irq[56]);
110 
111     /* FIXME use a qdev chardev prop instead of serial_hds[] */
112     serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1],
113                    115200, serial_hds[0], DEVICE_NATIVE_ENDIAN);
114 }
115 
116 static void aw_a10_class_init(ObjectClass *oc, void *data)
117 {
118     DeviceClass *dc = DEVICE_CLASS(oc);
119 
120     dc->realize = aw_a10_realize;
121 }
122 
123 static const TypeInfo aw_a10_type_info = {
124     .name = TYPE_AW_A10,
125     .parent = TYPE_DEVICE,
126     .instance_size = sizeof(AwA10State),
127     .instance_init = aw_a10_init,
128     .class_init = aw_a10_class_init,
129 };
130 
131 static void aw_a10_register_types(void)
132 {
133     type_register_static(&aw_a10_type_info);
134 }
135 
136 type_init(aw_a10_register_types)
137