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 "sysemu/sysemu.h" 20 #include "qemu/error-report.h" 21 #include "sysemu/qtest.h" 22 23 typedef struct { 24 FslIMX7State soc; 25 MemoryRegion ram; 26 } MCIMX7Sabre; 27 28 static void mcimx7d_sabre_init(MachineState *machine) 29 { 30 static struct arm_boot_info boot_info; 31 MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1); 32 Object *soc; 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 .kernel_filename = machine->kernel_filename, 46 .kernel_cmdline = machine->kernel_cmdline, 47 .initrd_filename = machine->initrd_filename, 48 .nb_cpus = smp_cpus, 49 }; 50 51 object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7); 52 soc = OBJECT(&s->soc); 53 object_property_add_child(OBJECT(machine), "soc", soc, &error_fatal); 54 object_property_set_bool(soc, true, "realized", &error_fatal); 55 56 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram", 57 machine->ram_size); 58 memory_region_add_subregion(get_system_memory(), 59 FSL_IMX7_MMDC_ADDR, &s->ram); 60 61 for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) { 62 BusState *bus; 63 DeviceState *carddev; 64 DriveInfo *di; 65 BlockBackend *blk; 66 67 di = drive_get_next(IF_SD); 68 blk = di ? blk_by_legacy_dinfo(di) : NULL; 69 bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus"); 70 carddev = qdev_create(bus, TYPE_SD_CARD); 71 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal); 72 object_property_set_bool(OBJECT(carddev), true, 73 "realized", &error_fatal); 74 } 75 76 if (!qtest_enabled()) { 77 arm_load_kernel(&s->soc.cpu[0], &boot_info); 78 } 79 } 80 81 static void mcimx7d_sabre_machine_init(MachineClass *mc) 82 { 83 mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)"; 84 mc->init = mcimx7d_sabre_init; 85 mc->max_cpus = FSL_IMX7_NUM_CPUS; 86 } 87 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init) 88