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