LXR qemu/tests/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 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 "libqos/qgraph.h"
  24#include "sdhci.h"
  25
  26typedef struct QXilinxZynqA9Machine QXilinxZynqA9Machine;
  27
  28struct 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
  38static 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
  49static 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
  60static void xilinx_zynq_a9_destructor(QOSGraphObject *obj)
  61{
  62    QXilinxZynqA9Machine *machine = (QXilinxZynqA9Machine *) obj;
  63    alloc_destroy(&machine->alloc);
  64}
  65
  66static 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
  88static 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
  95libqos_init(xilinx_zynq_a9_register_nodes);
  96