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mcimx7d-sabre.c (2240B)

      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 
     23 static 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         .psci_conduit = QEMU_PSCI_CONDUIT_SMC,
     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(IF_SD, 0, i);
     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 
     68 static 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 }
     75 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)