1 /*
2  * libqos driver framework
3  *
4  * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License version 2.1 as published by the Free Software Foundation.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, see <http://www.gnu.org/licenses/>
17  */
18 
19 #include "qemu/osdep.h"
20 #include "libqtest.h"
21 #include "qemu/module.h"
22 #include "malloc.h"
23 #include "qgraph.h"
24 #include "sdhci.h"
25 
26 #define ARM_PAGE_SIZE             4096
27 #define SMDKC210_RAM_ADDR         0x40000000ull
28 #define SMDKC210_RAM_SIZE         0x40000000ull
29 
30 typedef struct QSmdkc210Machine QSmdkc210Machine;
31 
32 struct QSmdkc210Machine {
33     QOSGraphObject obj;
34     QGuestAllocator alloc;
35     QSDHCI_MemoryMapped sdhci;
36 };
37 
38 static void *smdkc210_get_driver(void *object, const char *interface)
39 {
40     QSmdkc210Machine *machine = object;
41     if (!g_strcmp0(interface, "memory")) {
42         return &machine->alloc;
43     }
44 
45     fprintf(stderr, "%s not present in arm/smdkc210\n", interface);
46     g_assert_not_reached();
47 }
48 
49 static QOSGraphObject *smdkc210_get_device(void *obj, const char *device)
50 {
51     QSmdkc210Machine *machine = obj;
52     if (!g_strcmp0(device, "generic-sdhci")) {
53         return &machine->sdhci.obj;
54     }
55 
56     fprintf(stderr, "%s not present in arm/smdkc210\n", device);
57     g_assert_not_reached();
58 }
59 
60 static void smdkc210_destructor(QOSGraphObject *obj)
61 {
62     QSmdkc210Machine *machine = (QSmdkc210Machine *) obj;
63     alloc_destroy(&machine->alloc);
64 }
65 
66 static void *qos_create_machine_arm_smdkc210(QTestState *qts)
67 {
68     QSmdkc210Machine *machine = g_new0(QSmdkc210Machine, 1);
69 
70     alloc_init(&machine->alloc, 0,
71                SMDKC210_RAM_ADDR,
72                SMDKC210_RAM_ADDR + SMDKC210_RAM_SIZE,
73                ARM_PAGE_SIZE);
74     machine->obj.get_device = smdkc210_get_device;
75     machine->obj.get_driver = smdkc210_get_driver;
76     machine->obj.destructor = smdkc210_destructor;
77     qos_init_sdhci_mm(&machine->sdhci, qts, 0x12510000, &(QSDHCIProperties) {
78         .version = 2,
79         .baseclock = 0,
80         .capab.sdma = true,
81         .capab.reg = 0x5e80080,
82     });
83     return &machine->obj;
84 }
85 
86 static void smdkc210_register_nodes(void)
87 {
88     qos_node_create_machine("arm/smdkc210", qos_create_machine_arm_smdkc210);
89     qos_node_contains("arm/smdkc210", "generic-sdhci", NULL);
90 }
91 
92 libqos_init(smdkc210_register_nodes);
93