LXR qemu/hw/arm/mcimx7d-sabre.c

   1/*
   2 * Copyright (c) 2018, Impinj, Inc.
   3 *
   4 * MCIMX7D_SABRE Board System emulation.
   5 *
   6 * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
   7 *
   8 * This code is licensed under the GPL, version 2 or later.
   9 * See the file `COPYING' in the top level directory.
  10 *
  11 * It (partially) emulates a mcimx7d_sabre board, with a Freescale
  12 * i.MX7 SoC
  13 */
  14
  15#include "qemu/osdep.h"
  16#include "qapi/error.h"
  17#include "hw/arm/fsl-imx7.h"
  18#include "hw/boards.h"
  19#include "hw/qdev-properties.h"
  20#include "qemu/error-report.h"
  21#include "sysemu/qtest.h"
  22
  23static void mcimx7d_sabre_init(MachineState *machine)
  24{
  25    static struct arm_boot_info boot_info;
  26    FslIMX7State *s;
  27    int i;
  28
  29    if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
  30        error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
  31                     machine->ram_size, FSL_IMX7_MMDC_SIZE);
  32        exit(1);
  33    }
  34
  35    boot_info = (struct arm_boot_info) {
  36        .loader_start = FSL_IMX7_MMDC_ADDR,
  37        .board_id = -1,
  38        .ram_size = machine->ram_size,
  39        .nb_cpus = machine->smp.cpus,
  40    };
  41
  42    s = FSL_IMX7(object_new(TYPE_FSL_IMX7));
  43    object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
  44    qdev_realize(DEVICE(s), NULL, &error_fatal);
  45
  46    memory_region_add_subregion(get_system_memory(), FSL_IMX7_MMDC_ADDR,
  47                                machine->ram);
  48
  49    for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
  50        BusState *bus;
  51        DeviceState *carddev;
  52        DriveInfo *di;
  53        BlockBackend *blk;
  54
  55        di = drive_get_next(IF_SD);
  56        blk = di ? blk_by_legacy_dinfo(di) : NULL;
  57        bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus");
  58        carddev = qdev_new(TYPE_SD_CARD);
  59        qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
  60        qdev_realize_and_unref(carddev, bus, &error_fatal);
  61    }
  62
  63    if (!qtest_enabled()) {
  64        arm_load_kernel(&s->cpu[0], machine, &boot_info);
  65    }
  66}
  67
  68static void mcimx7d_sabre_machine_init(MachineClass *mc)
  69{
  70    mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex-A7)";
  71    mc->init = mcimx7d_sabre_init;
  72    mc->max_cpus = FSL_IMX7_NUM_CPUS;
  73    mc->default_ram_id = "mcimx7d-sabre.ram";
  74}
  75DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)
  76