LXR qemu/hw/arm/mcimx6ul-evk.c

   1/*
   2 * Copyright (c) 2018 Jean-Christophe Dubois <jcd@tribudubois.net>
   3 *
   4 * MCIMX6UL_EVK Board System emulation.
   5 *
   6 * This code is licensed under the GPL, version 2 or later.
   7 * See the file `COPYING' in the top level directory.
   8 *
   9 * It (partially) emulates a mcimx6ul_evk board, with a Freescale
  10 * i.MX6ul SoC
  11 */
  12
  13#include "qemu/osdep.h"
  14#include "qapi/error.h"
  15#include "hw/arm/fsl-imx6ul.h"
  16#include "hw/boards.h"
  17#include "hw/qdev-properties.h"
  18#include "sysemu/sysemu.h"
  19#include "qemu/error-report.h"
  20#include "sysemu/qtest.h"
  21
  22typedef struct {
  23    FslIMX6ULState soc;
  24    MemoryRegion ram;
  25} MCIMX6ULEVK;
  26
  27static void mcimx6ul_evk_init(MachineState *machine)
  28{
  29    static struct arm_boot_info boot_info;
  30    MCIMX6ULEVK *s = g_new0(MCIMX6ULEVK, 1);
  31    int i;
  32
  33    if (machine->ram_size > FSL_IMX6UL_MMDC_SIZE) {
  34        error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
  35                     machine->ram_size, FSL_IMX6UL_MMDC_SIZE);
  36        exit(1);
  37    }
  38
  39    boot_info = (struct arm_boot_info) {
  40        .loader_start = FSL_IMX6UL_MMDC_ADDR,
  41        .board_id = -1,
  42        .ram_size = machine->ram_size,
  43        .nb_cpus = machine->smp.cpus,
  44    };
  45
  46    object_initialize_child(OBJECT(machine), "soc", &s->soc,  sizeof(s->soc),
  47                            TYPE_FSL_IMX6UL, &error_fatal, NULL);
  48
  49    object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
  50
  51    memory_region_allocate_system_memory(&s->ram, NULL, "mcimx6ul-evk.ram",
  52                                         machine->ram_size);
  53    memory_region_add_subregion(get_system_memory(),
  54                                FSL_IMX6UL_MMDC_ADDR, &s->ram);
  55
  56    for (i = 0; i < FSL_IMX6UL_NUM_USDHCS; i++) {
  57        BusState *bus;
  58        DeviceState *carddev;
  59        DriveInfo *di;
  60        BlockBackend *blk;
  61
  62        di = drive_get_next(IF_SD);
  63        blk = di ? blk_by_legacy_dinfo(di) : NULL;
  64        bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
  65        carddev = qdev_create(bus, TYPE_SD_CARD);
  66        qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
  67        object_property_set_bool(OBJECT(carddev), true,
  68                                 "realized", &error_fatal);
  69    }
  70
  71    if (!qtest_enabled()) {
  72        arm_load_kernel(&s->soc.cpu, machine, &boot_info);
  73    }
  74}
  75
  76static void mcimx6ul_evk_machine_init(MachineClass *mc)
  77{
  78    mc->desc = "Freescale i.MX6UL Evaluation Kit (Cortex A7)";
  79    mc->init = mcimx6ul_evk_init;
  80    mc->max_cpus = FSL_IMX6UL_NUM_CPUS;
  81}
  82DEFINE_MACHINE("mcimx6ul-evk", mcimx6ul_evk_machine_init)
  83