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 Object *soc; 34 int i; 35 36 if (machine->ram_size > FSL_IMX7_MMDC_SIZE) { 37 error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)", 38 machine->ram_size, FSL_IMX7_MMDC_SIZE); 39 exit(1); 40 } 41 42 boot_info = (struct arm_boot_info) { 43 .loader_start = FSL_IMX7_MMDC_ADDR, 44 .board_id = -1, 45 .ram_size = machine->ram_size, 46 .kernel_filename = machine->kernel_filename, 47 .kernel_cmdline = machine->kernel_cmdline, 48 .initrd_filename = machine->initrd_filename, 49 .nb_cpus = machine->smp.cpus, 50 }; 51 52 object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7); 53 soc = OBJECT(&s->soc); 54 object_property_add_child(OBJECT(machine), "soc", soc, &error_fatal); 55 object_property_set_bool(soc, true, "realized", &error_fatal); 56 57 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram", 58 machine->ram_size); 59 memory_region_add_subregion(get_system_memory(), 60 FSL_IMX7_MMDC_ADDR, &s->ram); 61 62 for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) { 63 BusState *bus; 64 DeviceState *carddev; 65 DriveInfo *di; 66 BlockBackend *blk; 67 68 di = drive_get_next(IF_SD); 69 blk = di ? blk_by_legacy_dinfo(di) : NULL; 70 bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus"); 71 carddev = qdev_create(bus, TYPE_SD_CARD); 72 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal); 73 object_property_set_bool(OBJECT(carddev), true, 74 "realized", &error_fatal); 75 } 76 77 if (!qtest_enabled()) { 78 arm_load_kernel(&s->soc.cpu[0], &boot_info); 79 } 80 } 81 82 static void mcimx7d_sabre_machine_init(MachineClass *mc) 83 { 84 mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)"; 85 mc->init = mcimx7d_sabre_init; 86 mc->max_cpus = FSL_IMX7_NUM_CPUS; 87 } 88 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init) 89