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 "qemu-common.h"
  18#include "hw/arm/fsl-imx7.h"
  19#include "hw/boards.h"
  20#include "sysemu/sysemu.h"
  21#include "sysemu/device_tree.h"
  22#include "qemu/error-report.h"
  23#include "sysemu/qtest.h"
  24#include "net/net.h"
  25
  26typedef struct {
  27    FslIMX7State soc;
  28    MemoryRegion ram;
  29} MCIMX7Sabre;
  30
  31static void mcimx7d_sabre_init(MachineState *machine)
  32{
  33    static struct arm_boot_info boot_info;
  34    MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1);
  35    Object *soc;
  36    int i;
  37
  38    if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
  39        error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
  40                     machine->ram_size, FSL_IMX7_MMDC_SIZE);
  41        exit(1);
  42    }
  43
  44    boot_info = (struct arm_boot_info) {
  45        .loader_start = FSL_IMX7_MMDC_ADDR,
  46        .board_id = -1,
  47        .ram_size = machine->ram_size,
  48        .kernel_filename = machine->kernel_filename,
  49        .kernel_cmdline = machine->kernel_cmdline,
  50        .initrd_filename = machine->initrd_filename,
  51        .nb_cpus = smp_cpus,
  52    };
  53
  54    object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7);
  55    soc = OBJECT(&s->soc);
  56    object_property_add_child(OBJECT(machine), "soc", soc, &error_fatal);
  57    object_property_set_bool(soc, true, "realized", &error_fatal);
  58
  59    memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram",
  60                                         machine->ram_size);
  61    memory_region_add_subregion(get_system_memory(),
  62                                FSL_IMX7_MMDC_ADDR, &s->ram);
  63
  64    for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
  65        BusState *bus;
  66        DeviceState *carddev;
  67        DriveInfo *di;
  68        BlockBackend *blk;
  69
  70        di = drive_get_next(IF_SD);
  71        blk = di ? blk_by_legacy_dinfo(di) : NULL;
  72        bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
  73        carddev = qdev_create(bus, TYPE_SD_CARD);
  74        qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
  75        object_property_set_bool(OBJECT(carddev), true,
  76                                 "realized", &error_fatal);
  77    }
  78
  79    if (!qtest_enabled()) {
  80        arm_load_kernel(&s->soc.cpu[0], &boot_info);
  81    }
  82}
  83
  84static void mcimx7d_sabre_machine_init(MachineClass *mc)
  85{
  86    mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)";
  87    mc->init = mcimx7d_sabre_init;
  88    mc->max_cpus = FSL_IMX7_NUM_CPUS;
  89}
  90DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)
  91