projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 48963982 PB |
1 | /* |
| 2 | * libqos driver framework | |
| 3 | * | |
| 4 | * Copyright (c) 2019 Red Hat, Inc. | |
| 5 | * | |
| 6 | * Author: Paolo Bonzini <[email protected]> | |
| 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 N800_RAM_START 0x80000000 | |
| 29 | #define N800_RAM_END 0x88000000 | |
| 30 | ||
| 31 | typedef struct QN800Machine QN800Machine; | |
| 32 | ||
| 33 | struct QN800Machine { | |
| 34 | QOSGraphObject obj; | |
| 35 | QGuestAllocator alloc; | |
| 36 | OMAPI2C i2c_1; | |
| 37 | }; | |
| 38 | ||
| 39 | static void *n800_get_driver(void *object, const char *interface) | |
| 40 | { | |
| 41 | QN800Machine *machine = object; | |
| 42 | if (!g_strcmp0(interface, "memory")) { | |
| 43 | return &machine->alloc; | |
| 44 | } | |
| 45 | ||
| 46 | fprintf(stderr, "%s not present in arm/n800\n", interface); | |
| 47 | g_assert_not_reached(); | |
| 48 | } | |
| 49 | ||
| 50 | static QOSGraphObject *n800_get_device(void *obj, const char *device) | |
| 51 | { | |
| 52 | QN800Machine *machine = obj; | |
| 53 | if (!g_strcmp0(device, "omap_i2c")) { | |
| 54 | return &machine->i2c_1.obj; | |
| 55 | } | |
| 56 | ||
| 57 | fprintf(stderr, "%s not present in arm/n800\n", device); | |
| 58 | g_assert_not_reached(); | |
| 59 | } | |
| 60 | ||
| 61 | static void n800_destructor(QOSGraphObject *obj) | |
| 62 | { | |
| 63 | QN800Machine *machine = (QN800Machine *) obj; | |
| 64 | alloc_destroy(&machine->alloc); | |
| 65 | } | |
| 66 | ||
| 67 | static void *qos_create_machine_arm_n800(QTestState *qts) | |
| 68 | { | |
| 69 | QN800Machine *machine = g_new0(QN800Machine, 1); | |
| 70 | ||
| 71 | alloc_init(&machine->alloc, 0, | |
| 72 | N800_RAM_START, | |
| 73 | N800_RAM_END, | |
| 74 | ARM_PAGE_SIZE); | |
| 75 | machine->obj.get_device = n800_get_device; | |
| 76 | machine->obj.get_driver = n800_get_driver; | |
| 77 | machine->obj.destructor = n800_destructor; | |
| 78 | ||
| 79 | omap_i2c_init(&machine->i2c_1, qts, 0x48070000); | |
| 80 | return &machine->obj; | |
| 81 | } | |
| 82 | ||
| 83 | static void n800_register_nodes(void) | |
| 84 | { | |
| 85 | QOSGraphEdgeOptions edge = { | |
| 86 | .extra_device_opts = "bus=i2c-bus.0" | |
| 87 | }; | |
| 88 | qos_node_create_machine("arm/n800", qos_create_machine_arm_n800); | |
| 89 | qos_node_contains("arm/n800", "omap_i2c", &edge, NULL); | |
| 90 | } | |
| 91 | ||
| 92 | libqos_init(n800_register_nodes); |