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(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) 77