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 .nb_cpus = machine->smp.cpus, 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) 76