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 "qemu-common.h" 18 #include "hw/arm/fsl-imx7.h" 19 #include "hw/boards.h" 20 #include "sysemu/sysemu.h" 21 #include "sysemu/device_tree.h" 22 #include "qemu/error-report.h" 23 #include "sysemu/qtest.h" 24 #include "net/net.h" 25 26 typedef struct { 27 FslIMX7State soc; 28 MemoryRegion ram; 29 } MCIMX7Sabre; 30 31 static void mcimx7d_sabre_init(MachineState *machine) 32 { 33 static struct arm_boot_info boot_info; 34 MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1); 35 Object *soc; 36 int i; 37 38 if (machine->ram_size > FSL_IMX7_MMDC_SIZE) { 39 error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)", 40 machine->ram_size, FSL_IMX7_MMDC_SIZE); 41 exit(1); 42 } 43 44 boot_info = (struct arm_boot_info) { 45 .loader_start = FSL_IMX7_MMDC_ADDR, 46 .board_id = -1, 47 .ram_size = machine->ram_size, 48 .kernel_filename = machine->kernel_filename, 49 .kernel_cmdline = machine->kernel_cmdline, 50 .initrd_filename = machine->initrd_filename, 51 .nb_cpus = smp_cpus, 52 }; 53 54 object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7); 55 soc = OBJECT(&s->soc); 56 object_property_add_child(OBJECT(machine), "soc", soc, &error_fatal); 57 object_property_set_bool(soc, true, "realized", &error_fatal); 58 59 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram", 60 machine->ram_size); 61 memory_region_add_subregion(get_system_memory(), 62 FSL_IMX7_MMDC_ADDR, &s->ram); 63 64 for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) { 65 BusState *bus; 66 DeviceState *carddev; 67 DriveInfo *di; 68 BlockBackend *blk; 69 70 di = drive_get_next(IF_SD); 71 blk = di ? blk_by_legacy_dinfo(di) : NULL; 72 bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus"); 73 carddev = qdev_create(bus, TYPE_SD_CARD); 74 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal); 75 object_property_set_bool(OBJECT(carddev), true, 76 "realized", &error_fatal); 77 } 78 79 if (!qtest_enabled()) { 80 arm_load_kernel(&s->soc.cpu[0], &boot_info); 81 } 82 } 83 84 static void mcimx7d_sabre_machine_init(MachineClass *mc) 85 { 86 mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)"; 87 mc->init = mcimx7d_sabre_init; 88 mc->max_cpus = FSL_IMX7_NUM_CPUS; 89 } 90 DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init) 91