93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
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/*
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* libqos driver framework
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*
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* Copyright (c) 2019 Red Hat, Inc.
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*
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* Author: Paolo Bonzini <pbonzini@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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*/
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#include "qemu/osdep.h"
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#include "libqtest.h"
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#include "libqos/malloc.h"
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#include "libqos/qgraph.h"
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#include "libqos/i2c.h"
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#define ARM_PAGE_SIZE 4096
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#define IMX25_PDK_RAM_START 0x80000000
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#define IMX25_PDK_RAM_END 0x88000000
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typedef struct QIMX25PDKMachine QIMX25PDKMachine;
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struct QIMX25PDKMachine {
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QOSGraphObject obj;
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QGuestAllocator alloc;
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IMXI2C i2c_1;
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};
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static void *imx25_pdk_get_driver(void *object, const char *interface)
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{
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QIMX25PDKMachine *machine = object;
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if (!g_strcmp0(interface, "memory")) {
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return &machine->alloc;
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}
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fprintf(stderr, "%s not present in arm/imx25_pdk\n", interface);
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g_assert_not_reached();
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}
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static QOSGraphObject *imx25_pdk_get_device(void *obj, const char *device)
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{
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QIMX25PDKMachine *machine = obj;
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if (!g_strcmp0(device, "imx.i2c")) {
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return &machine->i2c_1.obj;
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}
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fprintf(stderr, "%s not present in arm/imx25_pdk\n", device);
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g_assert_not_reached();
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}
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static void imx25_pdk_destructor(QOSGraphObject *obj)
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{
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QIMX25PDKMachine *machine = (QIMX25PDKMachine *) obj;
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alloc_destroy(&machine->alloc);
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}
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static void *qos_create_machine_arm_imx25_pdk(QTestState *qts)
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{
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QIMX25PDKMachine *machine = g_new0(QIMX25PDKMachine, 1);
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alloc_init(&machine->alloc, 0,
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IMX25_PDK_RAM_START,
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IMX25_PDK_RAM_END,
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ARM_PAGE_SIZE);
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machine->obj.get_device = imx25_pdk_get_device;
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machine->obj.get_driver = imx25_pdk_get_driver;
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machine->obj.destructor = imx25_pdk_destructor;
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imx_i2c_init(&machine->i2c_1, qts, 0x43f80000);
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return &machine->obj;
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}
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static void imx25_pdk_register_nodes(void)
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{
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QOSGraphEdgeOptions edge = {
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.extra_device_opts = "bus=i2c-bus.0"
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};
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qos_node_create_machine("arm/imx25-pdk", qos_create_machine_arm_imx25_pdk);
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qos_node_contains("arm/imx25-pdk", "imx.i2c", &edge, NULL);
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}
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libqos_init(imx25_pdk_register_nodes);
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