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 "exec/address-spaces.h" 20 #include "qapi/error.h" 21 #include "cpu.h" 22 #include "sysemu/sysemu.h" 23 #include "hw/sysbus.h" 24 #include "hw/boards.h" 25 #include "hw/arm/allwinner-a10.h" 26 27 static struct arm_boot_info cubieboard_binfo = { 28 .loader_start = AW_A10_SDRAM_BASE, 29 .board_id = 0x1008, 30 }; 31 32 static void cubieboard_init(MachineState *machine) 33 { 34 AwA10State *a10; 35 Error *err = NULL; 36 37 /* BIOS is not supported by this board */ 38 if (bios_name) { 39 error_report("BIOS not supported for this machine"); 40 exit(1); 41 } 42 43 /* This board has fixed size RAM (512MiB or 1GiB) */ 44 if (machine->ram_size != 512 * MiB && 45 machine->ram_size != 1 * GiB) { 46 error_report("This machine can only be used with 512MiB or 1GiB RAM"); 47 exit(1); 48 } 49 50 /* Only allow Cortex-A8 for this board */ 51 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) { 52 error_report("This board can only be used with cortex-a8 CPU"); 53 exit(1); 54 } 55 56 a10 = AW_A10(object_new(TYPE_AW_A10)); 57 58 object_property_set_int(OBJECT(&a10->emac), 1, "phy-addr", &err); 59 if (err != NULL) { 60 error_reportf_err(err, "Couldn't set phy address: "); 61 exit(1); 62 } 63 64 object_property_set_int(OBJECT(&a10->timer), 32768, "clk0-freq", &err); 65 if (err != NULL) { 66 error_reportf_err(err, "Couldn't set clk0 frequency: "); 67 exit(1); 68 } 69 70 object_property_set_int(OBJECT(&a10->timer), 24000000, "clk1-freq", &err); 71 if (err != NULL) { 72 error_reportf_err(err, "Couldn't set clk1 frequency: "); 73 exit(1); 74 } 75 76 object_property_set_bool(OBJECT(a10), true, "realized", &err); 77 if (err != NULL) { 78 error_reportf_err(err, "Couldn't realize Allwinner A10: "); 79 exit(1); 80 } 81 82 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE, 83 machine->ram); 84 85 /* TODO create and connect IDE devices for ide_drive_get() */ 86 87 cubieboard_binfo.ram_size = machine->ram_size; 88 arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo); 89 } 90 91 static void cubieboard_machine_init(MachineClass *mc) 92 { 93 mc->desc = "cubietech cubieboard (Cortex-A8)"; 94 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8"); 95 mc->default_ram_size = 1 * GiB; 96 mc->init = cubieboard_init; 97 mc->block_default_type = IF_IDE; 98 mc->units_per_default_bus = 1; 99 mc->ignore_memory_transaction_failures = true; 100 mc->default_ram_id = "cubieboard.ram"; 101 } 102 103 DEFINE_MACHINE("cubieboard", cubieboard_machine_init) 104