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 typedef struct { 25 FslIMX7State soc; 26 MemoryRegion ram; 27 } MCIMX7Sabre; 28 29 static void mcimx7d_sabre_init(MachineState *machine) 30 { 31 static struct arm_boot_info boot_info; 32 MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1); 33 int i; 34 35 if (machine->ram_size > FSL_IMX7_MMDC_SIZE) { 36 error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)", 37 machine->ram_size, FSL_IMX7_MMDC_SIZE); 38 exit(1); 39 } 40 41 boot_info = (struct arm_boot_info) { 42 .loader_start = FSL_IMX7_MMDC_ADDR, 43 .board_id = -1, 44 .ram_size = machine->ram_size, 45 .nb_cpus = machine->smp.cpus, 46 }; 47 48 object_initialize_child(OBJECT(machine), "soc", 49 &s->soc, sizeof(s->soc), 50 TYPE_FSL_IMX7, &error_fatal, NULL); 51 object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); 52 53 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram", 54 machine->ram_size); 55 memory_region_add_subregion(get_system_memory(), 56 FSL_IMX7_MMDC_ADDR, &s->ram); 57 58 for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) { 59 BusState *bus; 60 DeviceState *carddev; 61 DriveInfo *di; 62 BlockBackend *blk; 63 64 di = drive_get_next(IF_SD); 65 blk = di ? blk_by_legacy_dinfo(di) : NULL; 66 bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus"); 67 carddev = qdev_create(bus, TYPE_SD_CARD); 68 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal); 69 object_property_set_bool(OBJECT(carddev), true, 70 "realized", &error_fatal); 71 } 72 73 if (!qtest_enabled()) { 74 arm_load_kernel(&s->soc.cpu[0], machine, &boot_info); 75 } 76 } 77 78 static void mcimx7d_sabre_machine_init(MachineClass *mc) 79 { 80 mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)"; 81 mc->init = mcimx7d_sabre_init; 82 mc->max_cpus = FSL_IMX7_NUM_CPUS; 83 } 84 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init) 85