tests/qtest/libqos/arm-xilinx-zynq-a9-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 2.1 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 "libqos-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);