tests/libqos/arm-raspi2-machine.c

   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 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 "libqos/malloc.h"
  22 #include "libqos/qgraph.h"
  23 #include "sdhci.h"
  24
  25 #define ARM_PAGE_SIZE             4096
  26 #define RASPI2_RAM_ADDR           0
  27 #define RASPI2_RAM_SIZE           0x20000000
  28
  29 typedef struct QRaspi2Machine QRaspi2Machine;
  30
  31 struct QRaspi2Machine {
  32     QOSGraphObject obj;
  33     QGuestAllocator alloc;
  34     QSDHCI_MemoryMapped sdhci;
  35 };
  36
  37 static void *raspi2_get_driver(void *object, const char *interface)
  38 {
  39     QRaspi2Machine *machine = object;
  40     if (!g_strcmp0(interface, "memory")) {
  41         return &machine->alloc;
  42     }
  43
  44     fprintf(stderr, "%s not present in arm/raspi2\n", interface);
  45     g_assert_not_reached();
  46 }
  47
  48 static QOSGraphObject *raspi2_get_device(void *obj, const char *device)
  49 {
  50     QRaspi2Machine *machine = obj;
  51     if (!g_strcmp0(device, "generic-sdhci")) {
  52         return &machine->sdhci.obj;
  53     }
  54
  55     fprintf(stderr, "%s not present in arm/raspi2\n", device);
  56     g_assert_not_reached();
  57 }
  58
  59 static void raspi2_destructor(QOSGraphObject *obj)
  60 {
  61     QRaspi2Machine *machine = (QRaspi2Machine *) obj;
  62     alloc_destroy(&machine->alloc);
  63 }
  64
  65 static void *qos_create_machine_arm_raspi2(QTestState *qts)
  66 {
  67     QRaspi2Machine *machine = g_new0(QRaspi2Machine, 1);
  68
  69     alloc_init(&machine->alloc, 0,
  70                RASPI2_RAM_ADDR + (1 << 20),
  71                RASPI2_RAM_ADDR + RASPI2_RAM_SIZE,
  72                ARM_PAGE_SIZE);
  73     machine->obj.get_device = raspi2_get_device;
  74     machine->obj.get_driver = raspi2_get_driver;
  75     machine->obj.destructor = raspi2_destructor;
  76     qos_init_sdhci_mm(&machine->sdhci, qts, 0x3f300000, &(QSDHCIProperties) {
  77         .version = 3,
  78         .baseclock = 52,
  79         .capab.sdma = false,
  80         .capab.reg = 0x052134b4
  81     });
  82     return &machine->obj;
  83 }
  84
  85 static void raspi2_register_nodes(void)
  86 {
  87     qos_node_create_machine("arm/raspi2", qos_create_machine_arm_raspi2);
  88     qos_node_contains("arm/raspi2", "generic-sdhci", NULL);
  89 }
  90
  91 libqos_init(raspi2_register_nodes);