1 /* 2 * Copyright (c) 2018 Jean-Christophe Dubois <jcd@tribudubois.net> 3 * 4 * MCIMX6UL_EVK Board System emulation. 5 * 6 * This code is licensed under the GPL, version 2 or later. 7 * See the file `COPYING' in the top level directory. 8 * 9 * It (partially) emulates a mcimx6ul_evk board, with a Freescale 10 * i.MX6ul SoC 11 */ 12 13 #include "qemu/osdep.h" 14 #include "qapi/error.h" 15 #include "hw/arm/fsl-imx6ul.h" 16 #include "hw/boards.h" 17 #include "sysemu/sysemu.h" 18 #include "qemu/error-report.h" 19 #include "sysemu/qtest.h" 20 21 typedef struct { 22 FslIMX6ULState soc; 23 MemoryRegion ram; 24 } MCIMX6ULEVK; 25 26 static void mcimx6ul_evk_init(MachineState *machine) 27 { 28 static struct arm_boot_info boot_info; 29 MCIMX6ULEVK *s = g_new0(MCIMX6ULEVK, 1); 30 int i; 31 32 if (machine->ram_size > FSL_IMX6UL_MMDC_SIZE) { 33 error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)", 34 machine->ram_size, FSL_IMX6UL_MMDC_SIZE); 35 exit(1); 36 } 37 38 boot_info = (struct arm_boot_info) { 39 .loader_start = FSL_IMX6UL_MMDC_ADDR, 40 .board_id = -1, 41 .ram_size = machine->ram_size, 42 .kernel_filename = machine->kernel_filename, 43 .kernel_cmdline = machine->kernel_cmdline, 44 .initrd_filename = machine->initrd_filename, 45 .nb_cpus = machine->smp.cpus, 46 }; 47 48 object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc), 49 TYPE_FSL_IMX6UL, &error_fatal, NULL); 50 51 object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal); 52 53 memory_region_allocate_system_memory(&s->ram, NULL, "mcimx6ul-evk.ram", 54 machine->ram_size); 55 memory_region_add_subregion(get_system_memory(), 56 FSL_IMX6UL_MMDC_ADDR, &s->ram); 57 58 for (i = 0; i < FSL_IMX6UL_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], &boot_info); 75 } 76 } 77 78 static void mcimx6ul_evk_machine_init(MachineClass *mc) 79 { 80 mc->desc = "Freescale i.MX6UL Evaluation Kit (Cortex A7)"; 81 mc->init = mcimx6ul_evk_init; 82 mc->max_cpus = FSL_IMX6UL_NUM_CPUS; 83 } 84 DEFINE_MACHINE("mcimx6ul-evk", mcimx6ul_evk_machine_init) 85