| 1 | /* |
| 2 | * cubieboard emulation |
| 3 | * |
| 4 | * Copyright (C) 2013 Li Guang |
| 5 | * Written by Li Guang <lig.fnst@cn.fujitsu.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 15 | * for more details. |
| 16 | */ |
| 17 | |
| 18 | #include "qemu/osdep.h" |
| 19 | #include "qapi/error.h" |
| 20 | #include "qemu/error-report.h" |
| 21 | #include "hw/core/boards.h" |
| 22 | #include "hw/core/qdev-properties.h" |
| 23 | #include "hw/arm/allwinner-a10.h" |
| 24 | #include "hw/arm/boot.h" |
| 25 | #include "hw/arm/machines-qom.h" |
| 26 | #include "hw/i2c/i2c.h" |
| 27 | |
| 28 | #define TYPE_CUBIEBOARD_MACHINE MACHINE_TYPE_NAME("cubieboard") |
| 29 | OBJECT_DECLARE_SIMPLE_TYPE(CubieboardMachineState, CUBIEBOARD_MACHINE) |
| 30 | |
| 31 | struct CubieboardMachineState { |
| 32 | MachineState parent; |
| 33 | |
| 34 | struct arm_boot_info bootinfo; |
| 35 | }; |
| 36 | |
| 37 | static void cubieboard_init(MachineState *machine) |
| 38 | { |
| 39 | CubieboardMachineState *cbs = CUBIEBOARD_MACHINE(machine); |
| 40 | AwA10State *a10; |
| 41 | Error *err = NULL; |
| 42 | DriveInfo *di; |
| 43 | BlockBackend *blk; |
| 44 | BusState *bus; |
| 45 | DeviceState *carddev; |
| 46 | I2CBus *i2c; |
| 47 | |
| 48 | /* BIOS is not supported by this board */ |
| 49 | if (machine->firmware) { |
| 50 | error_report("BIOS not supported for this machine"); |
| 51 | exit(1); |
| 52 | } |
| 53 | |
| 54 | /* This board has fixed size RAM (512MiB or 1GiB) */ |
| 55 | if (machine->ram_size != 512 * MiB && |
| 56 | machine->ram_size != 1 * GiB) { |
| 57 | error_report("This machine can only be used with 512MiB or 1GiB RAM"); |
| 58 | exit(1); |
| 59 | } |
| 60 | |
| 61 | a10 = AW_A10(object_new(TYPE_AW_A10)); |
| 62 | object_property_add_child(OBJECT(machine), "soc", OBJECT(a10)); |
| 63 | object_unref(OBJECT(a10)); |
| 64 | |
| 65 | if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) { |
| 66 | error_reportf_err(err, "Couldn't set phy address: "); |
| 67 | exit(1); |
| 68 | } |
| 69 | |
| 70 | if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768, |
| 71 | &err)) { |
| 72 | error_reportf_err(err, "Couldn't set clk0 frequency: "); |
| 73 | exit(1); |
| 74 | } |
| 75 | |
| 76 | if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000, |
| 77 | &err)) { |
| 78 | error_reportf_err(err, "Couldn't set clk1 frequency: "); |
| 79 | exit(1); |
| 80 | } |
| 81 | |
| 82 | if (!qdev_realize(DEVICE(a10), NULL, &err)) { |
| 83 | error_reportf_err(err, "Couldn't realize Allwinner A10: "); |
| 84 | exit(1); |
| 85 | } |
| 86 | |
| 87 | /* Connect AXP 209 */ |
| 88 | i2c = I2C_BUS(qdev_get_child_bus(DEVICE(&a10->i2c0), "i2c")); |
| 89 | i2c_slave_create_simple(i2c, "axp209_pmu", 0x34); |
| 90 | |
| 91 | /* Retrieve SD bus */ |
| 92 | di = drive_get(IF_SD, 0, 0); |
| 93 | blk = di ? blk_by_legacy_dinfo(di) : NULL; |
| 94 | bus = qdev_get_child_bus(DEVICE(a10), "sd-bus"); |
| 95 | |
| 96 | /* Plug in SD card */ |
| 97 | carddev = qdev_new(TYPE_SD_CARD); |
| 98 | qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); |
| 99 | qdev_realize_and_unref(carddev, bus, &error_fatal); |
| 100 | |
| 101 | memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE, |
| 102 | machine->ram); |
| 103 | |
| 104 | /* Load target kernel or start using BootROM */ |
| 105 | if (!machine->kernel_filename && blk && blk_is_available(blk)) { |
| 106 | /* Use Boot ROM to copy data from SD card to SRAM */ |
| 107 | allwinner_a10_bootrom_setup(a10, blk); |
| 108 | } |
| 109 | /* TODO create and connect IDE devices for ide_drive_get() */ |
| 110 | |
| 111 | cbs->bootinfo.loader_start = AW_A10_SDRAM_BASE; |
| 112 | cbs->bootinfo.board_id = 0x1008; |
| 113 | cbs->bootinfo.ram_size = machine->ram_size; |
| 114 | arm_load_kernel(&a10->cpu, machine, &cbs->bootinfo); |
| 115 | } |
| 116 | |
| 117 | static void cubieboard_machine_init(MachineClass *mc) |
| 118 | { |
| 119 | static const char * const valid_cpu_types[] = { |
| 120 | ARM_CPU_TYPE_NAME("cortex-a8"), |
| 121 | NULL |
| 122 | }; |
| 123 | |
| 124 | mc->desc = "cubietech cubieboard (Cortex-A8)"; |
| 125 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8"); |
| 126 | mc->valid_cpu_types = valid_cpu_types; |
| 127 | mc->default_ram_size = 1 * GiB; |
| 128 | mc->init = cubieboard_init; |
| 129 | mc->block_default_type = IF_IDE; |
| 130 | mc->units_per_default_bus = 1; |
| 131 | mc->ignore_memory_transaction_failures = true; |
| 132 | mc->default_ram_id = "cubieboard.ram"; |
| 133 | mc->auto_create_sdcard = true; |
| 134 | } |
| 135 | |
| 136 | DEFINE_MACHINE_EXTENDED("cubieboard", MACHINE, CubieboardMachineState, |
| 137 | cubieboard_machine_init, false, |
| 138 | arm_machine_interfaces) |