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 typedef struct QXilinxZynqA9Machine QXilinxZynqA9Machine;
27 
28 struct QXilinxZynqA9Machine {
29     QOSGraphObject obj;
30     QGuestAllocator alloc;
31     QSDHCI_MemoryMapped sdhci;
32 };
33 
34 #define ARM_PAGE_SIZE             4096
35 #define XILINX_ZYNQ_A9_RAM_ADDR   0
36 #define XILINX_ZYNQ_A9_RAM_SIZE   0x20000000
37 
38 static void *xilinx_zynq_a9_get_driver(void *object, const char *interface)
39 {
40     QXilinxZynqA9Machine *machine = object;
41     if (!g_strcmp0(interface, "memory")) {
42         return &machine->alloc;
43     }
44 
45     fprintf(stderr, "%s not present in arm/xilinx-zynq-a9\n", interface);
46     g_assert_not_reached();
47 }
48 
49 static QOSGraphObject *xilinx_zynq_a9_get_device(void *obj, const char *device)
50 {
51     QXilinxZynqA9Machine *machine = obj;
52     if (!g_strcmp0(device, "generic-sdhci")) {
53         return &machine->sdhci.obj;
54     }
55 
56     fprintf(stderr, "%s not present in arm/xilinx-zynq-a9\n", device);
57     g_assert_not_reached();
58 }
59 
60 static void xilinx_zynq_a9_destructor(QOSGraphObject *obj)
61 {
62     QXilinxZynqA9Machine *machine = (QXilinxZynqA9Machine *) obj;
63     alloc_destroy(&machine->alloc);
64 }
65 
66 static void *qos_create_machine_arm_xilinx_zynq_a9(QTestState *qts)
67 {
68     QXilinxZynqA9Machine *machine = g_new0(QXilinxZynqA9Machine, 1);
69 
70     alloc_init(&machine->alloc, 0,
71                XILINX_ZYNQ_A9_RAM_ADDR + (1 << 20),
72                XILINX_ZYNQ_A9_RAM_ADDR + XILINX_ZYNQ_A9_RAM_SIZE,
73                ARM_PAGE_SIZE);
74 
75     machine->obj.get_device = xilinx_zynq_a9_get_device;
76     machine->obj.get_driver = xilinx_zynq_a9_get_driver;
77     machine->obj.destructor = xilinx_zynq_a9_destructor;
78     /* Datasheet: UG585 (v1.12.1) */
79     qos_init_sdhci_mm(&machine->sdhci, qts, 0xe0100000, &(QSDHCIProperties) {
80         .version = 2,
81         .baseclock = 0,
82         .capab.sdma = true,
83         .capab.reg = 0x69ec0080,
84     });
85     return &machine->obj;
86 }
87 
88 static void xilinx_zynq_a9_register_nodes(void)
89 {
90     qos_node_create_machine("arm/xilinx-zynq-a9",
91                             qos_create_machine_arm_xilinx_zynq_a9);
92     qos_node_contains("arm/xilinx-zynq-a9", "generic-sdhci", NULL);
93 }
94 
95 libqos_init(xilinx_zynq_a9_register_nodes);
96