| 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/arm/boot.h" |
| 19 | #include "hw/arm/machines-qom.h" |
| 20 | #include "hw/core/boards.h" |
| 21 | #include "hw/core/qdev-properties.h" |
| 22 | #include "qemu/error-report.h" |
| 23 | #include "system/qtest.h" |
| 24 | |
| 25 | #define TYPE_MCIMX7D_SABRE_MACHINE MACHINE_TYPE_NAME("mcimx7d-sabre") |
| 26 | OBJECT_DECLARE_SIMPLE_TYPE(Mcimx7dSabreMachineState, |
| 27 | MCIMX7D_SABRE_MACHINE) |
| 28 | |
| 29 | struct Mcimx7dSabreMachineState { |
| 30 | MachineState parent; |
| 31 | |
| 32 | struct arm_boot_info bootinfo; |
| 33 | }; |
| 34 | |
| 35 | static void mcimx7d_sabre_init(MachineState *machine) |
| 36 | { |
| 37 | Mcimx7dSabreMachineState *msms = MCIMX7D_SABRE_MACHINE(machine); |
| 38 | FslIMX7State *s; |
| 39 | int i; |
| 40 | |
| 41 | if (machine->ram_size > FSL_IMX7_MMDC_SIZE) { |
| 42 | error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)", |
| 43 | machine->ram_size, FSL_IMX7_MMDC_SIZE); |
| 44 | exit(1); |
| 45 | } |
| 46 | |
| 47 | msms->bootinfo.loader_start = FSL_IMX7_MMDC_ADDR; |
| 48 | msms->bootinfo.board_id = -1; |
| 49 | msms->bootinfo.ram_size = machine->ram_size; |
| 50 | msms->bootinfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC; |
| 51 | |
| 52 | s = FSL_IMX7(object_new(TYPE_FSL_IMX7)); |
| 53 | object_property_add_child(OBJECT(machine), "soc", OBJECT(s)); |
| 54 | object_property_set_bool(OBJECT(s), "fec2-phy-connected", false, |
| 55 | &error_fatal); |
| 56 | qdev_realize(DEVICE(s), NULL, &error_fatal); |
| 57 | |
| 58 | memory_region_add_subregion(get_system_memory(), FSL_IMX7_MMDC_ADDR, |
| 59 | machine->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(IF_SD, 0, i); |
| 68 | blk = di ? blk_by_legacy_dinfo(di) : NULL; |
| 69 | bus = qdev_get_child_bus(DEVICE(&s->usdhc[i]), "sd-bus"); |
| 70 | carddev = qdev_new(TYPE_SD_CARD); |
| 71 | qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); |
| 72 | qdev_realize_and_unref(carddev, bus, &error_fatal); |
| 73 | } |
| 74 | |
| 75 | if (!qtest_enabled()) { |
| 76 | arm_load_kernel(&s->cpu[0], machine, &msms->bootinfo); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | static void mcimx7d_sabre_machine_init(MachineClass *mc) |
| 81 | { |
| 82 | mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex-A7)"; |
| 83 | mc->init = mcimx7d_sabre_init; |
| 84 | mc->max_cpus = FSL_IMX7_NUM_CPUS; |
| 85 | mc->default_ram_id = "mcimx7d-sabre.ram"; |
| 86 | mc->auto_create_sdcard = true; |
| 87 | } |
| 88 | |
| 89 | DEFINE_MACHINE_EXTENDED("mcimx7d-sabre", MACHINE, Mcimx7dSabreMachineState, |
| 90 | mcimx7d_sabre_machine_init, false, |
| 91 | arm_machine_interfaces) |