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1/*
2 * libqos driver framework
3 *
4 * Copyright (c) 2019 Red Hat, Inc.
5 *
6 * Author: Paolo Bonzini <pbonzini@redhat.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2 as published by the Free Software Foundation.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>
19 */
20
21#include "qemu/osdep.h"
22#include "libqtest.h"
23#include "libqos/malloc.h"
24#include "libqos/qgraph.h"
25#include "libqos/i2c.h"
26
27#define ARM_PAGE_SIZE 4096
28#define IMX25_PDK_RAM_START 0x80000000
29#define IMX25_PDK_RAM_END 0x88000000
30
31typedef struct QIMX25PDKMachine QIMX25PDKMachine;
32
33struct QIMX25PDKMachine {
34 QOSGraphObject obj;
35 QGuestAllocator alloc;
36 IMXI2C i2c_1;
37};
38
39static void *imx25_pdk_get_driver(void *object, const char *interface)
40{
41 QIMX25PDKMachine *machine = object;
42 if (!g_strcmp0(interface, "memory")) {
43 return &machine->alloc;
44 }
45
46 fprintf(stderr, "%s not present in arm/imx25_pdk\n", interface);
47 g_assert_not_reached();
48}
49
50static QOSGraphObject *imx25_pdk_get_device(void *obj, const char *device)
51{
52 QIMX25PDKMachine *machine = obj;
53 if (!g_strcmp0(device, "imx.i2c")) {
54 return &machine->i2c_1.obj;
55 }
56
57 fprintf(stderr, "%s not present in arm/imx25_pdk\n", device);
58 g_assert_not_reached();
59}
60
61static void imx25_pdk_destructor(QOSGraphObject *obj)
62{
63 QIMX25PDKMachine *machine = (QIMX25PDKMachine *) obj;
64 alloc_destroy(&machine->alloc);
65}
66
67static void *qos_create_machine_arm_imx25_pdk(QTestState *qts)
68{
69 QIMX25PDKMachine *machine = g_new0(QIMX25PDKMachine, 1);
70
71 alloc_init(&machine->alloc, 0,
72 IMX25_PDK_RAM_START,
73 IMX25_PDK_RAM_END,
74 ARM_PAGE_SIZE);
75 machine->obj.get_device = imx25_pdk_get_device;
76 machine->obj.get_driver = imx25_pdk_get_driver;
77 machine->obj.destructor = imx25_pdk_destructor;
78
79 imx_i2c_init(&machine->i2c_1, qts, 0x43f80000);
80 return &machine->obj;
81}
82
83static void imx25_pdk_register_nodes(void)
84{
85 QOSGraphEdgeOptions edge = {
86 .extra_device_opts = "bus=i2c-bus.0"
87 };
88 qos_node_create_machine("arm/imx25-pdk", qos_create_machine_arm_imx25_pdk);
89 qos_node_contains("arm/imx25-pdk", "imx.i2c", &edge, NULL);
90}
91
92libqos_init(imx25_pdk_register_nodes);