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/*
* 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 "exec/address-spaces.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)
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