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 "sysemu/sysemu.h"
  21 #include "qemu/error-report.h"
  22 #include "sysemu/qtest.h"
  23
  24 static void mcimx7d_sabre_init(MachineState *machine)
  25 {
  26     static struct arm_boot_info boot_info;
  27     FslIMX7State *s;
  28     int i;
  29
  30     if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
  31         error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
  32                      machine->ram_size, FSL_IMX7_MMDC_SIZE);
  33         exit(1);
  34     }
  35
  36     boot_info = (struct arm_boot_info) {
  37         .loader_start = FSL_IMX7_MMDC_ADDR,
  38         .board_id = -1,
  39         .ram_size = machine->ram_size,
  40         .nb_cpus = machine->smp.cpus,
  41     };
  42
  43     s = FSL_IMX7(object_new(TYPE_FSL_IMX7));
  44     object_property_add_child(OBJECT(machine), "soc", OBJECT(s));
  45     qdev_realize(DEVICE(s), NULL, &error_fatal);
  46
  47     memory_region_add_subregion(get_system_memory(), FSL_IMX7_MMDC_ADDR,
  48                                 machine->ram);
  49
  50     for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
  51         BusState *bus;
  52         DeviceState *carddev;
  53         DriveInfo *di;
  54         BlockBackend *blk;
  55
  56         di = drive_get_next(IF_SD);
  57         blk = di ? blk_by_legacy_dinfo(di) : NULL;
  58         bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus");
  59         carddev = qdev_new(TYPE_SD_CARD);
  60         qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
  61         qdev_realize_and_unref(carddev, bus, &error_fatal);
  62     }
  63
  64     if (!qtest_enabled()) {
  65         arm_load_kernel(&s->cpu[0], machine, &boot_info);
  66     }
  67 }
  68
  69 static void mcimx7d_sabre_machine_init(MachineClass *mc)
  70 {
  71     mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)";
  72     mc->init = mcimx7d_sabre_init;
  73     mc->max_cpus = FSL_IMX7_NUM_CPUS;
  74     mc->default_ram_id = "mcimx7d-sabre.ram";
  75 }
  76 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)