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-rw-r--r--hw/arm/cubieboard.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c
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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 "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)