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Diffstat (limited to 'hw/arm/cubieboard.c')
-rw-r--r-- | hw/arm/cubieboard.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c new file mode 100644 index 000000000..294ba5de6 --- /dev/null +++ b/hw/arm/cubieboard.c @@ -0,0 +1,114 @@ +/* + * cubieboard emulation + * + * Copyright (C) 2013 Li Guang + * Written by Li Guang <lig.fnst@cn.fujitsu.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/boards.h" +#include "hw/qdev-properties.h" +#include "hw/arm/allwinner-a10.h" + +static struct arm_boot_info cubieboard_binfo = { + .loader_start = AW_A10_SDRAM_BASE, + .board_id = 0x1008, +}; + +static void cubieboard_init(MachineState *machine) +{ + AwA10State *a10; + Error *err = NULL; + DriveInfo *di; + BlockBackend *blk; + BusState *bus; + DeviceState *carddev; + + /* BIOS is not supported by this board */ + if (machine->firmware) { + error_report("BIOS not supported for this machine"); + exit(1); + } + + /* This board has fixed size RAM (512MiB or 1GiB) */ + if (machine->ram_size != 512 * MiB && + machine->ram_size != 1 * GiB) { + error_report("This machine can only be used with 512MiB or 1GiB RAM"); + exit(1); + } + + /* Only allow Cortex-A8 for this board */ + if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) { + error_report("This board can only be used with cortex-a8 CPU"); + exit(1); + } + + a10 = AW_A10(object_new(TYPE_AW_A10)); + object_property_add_child(OBJECT(machine), "soc", OBJECT(a10)); + object_unref(OBJECT(a10)); + + if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) { + error_reportf_err(err, "Couldn't set phy address: "); + exit(1); + } + + if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768, + &err)) { + error_reportf_err(err, "Couldn't set clk0 frequency: "); + exit(1); + } + + if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000, + &err)) { + error_reportf_err(err, "Couldn't set clk1 frequency: "); + exit(1); + } + + if (!qdev_realize(DEVICE(a10), NULL, &err)) { + error_reportf_err(err, "Couldn't realize Allwinner A10: "); + exit(1); + } + + /* Retrieve SD bus */ + di = drive_get_next(IF_SD); + blk = di ? blk_by_legacy_dinfo(di) : NULL; + bus = qdev_get_child_bus(DEVICE(a10), "sd-bus"); + + /* Plug in SD card */ + carddev = qdev_new(TYPE_SD_CARD); + qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); + qdev_realize_and_unref(carddev, bus, &error_fatal); + + memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE, + machine->ram); + + /* TODO create and connect IDE devices for ide_drive_get() */ + + cubieboard_binfo.ram_size = machine->ram_size; + arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo); +} + +static void cubieboard_machine_init(MachineClass *mc) +{ + mc->desc = "cubietech cubieboard (Cortex-A8)"; + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8"); + mc->default_ram_size = 1 * GiB; + mc->init = cubieboard_init; + mc->block_default_type = IF_IDE; + mc->units_per_default_bus = 1; + mc->ignore_memory_transaction_failures = true; + mc->default_ram_id = "cubieboard.ram"; +} + +DEFINE_MACHINE("cubieboard", cubieboard_machine_init) |