LXR qemu/tests/libqos/arm-n800-machine.c

   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 N800_RAM_START      0x80000000
  29#define N800_RAM_END        0x88000000
  30
  31typedef struct QN800Machine QN800Machine;
  32
  33struct QN800Machine {
  34    QOSGraphObject obj;
  35    QGuestAllocator alloc;
  36    OMAPI2C i2c_1;
  37};
  38
  39static 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
  50static 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
  61static void n800_destructor(QOSGraphObject *obj)
  62{
  63    QN800Machine *machine = (QN800Machine *) obj;
  64    alloc_destroy(&machine->alloc);
  65}
  66
  67static 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
  83static 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
  92libqos_init(n800_register_nodes);
  93