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 "hw/sysbus.h" 19 #include "hw/devices.h" 20 #include "hw/boards.h" 21 #include "hw/arm/allwinner-a10.h" 22 23 static struct arm_boot_info cubieboard_binfo = { 24 .loader_start = AW_A10_SDRAM_BASE, 25 .board_id = 0x1008, 26 }; 27 28 typedef struct CubieBoardState { 29 AwA10State *a10; 30 MemoryRegion sdram; 31 } CubieBoardState; 32 33 static void cubieboard_init(QEMUMachineInitArgs *args) 34 { 35 CubieBoardState *s = g_new(CubieBoardState, 1); 36 Error *err = NULL; 37 38 s->a10 = AW_A10(object_new(TYPE_AW_A10)); 39 40 object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err); 41 if (err != NULL) { 42 error_report("Couldn't set phy address: %s", error_get_pretty(err)); 43 exit(1); 44 } 45 46 object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err); 47 if (err != NULL) { 48 error_report("Couldn't set clk0 frequency: %s", error_get_pretty(err)); 49 exit(1); 50 } 51 52 object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq", 53 &err); 54 if (err != NULL) { 55 error_report("Couldn't set clk1 frequency: %s", error_get_pretty(err)); 56 exit(1); 57 } 58 59 object_property_set_bool(OBJECT(s->a10), true, "realized", &err); 60 if (err != NULL) { 61 error_report("Couldn't realize Allwinner A10: %s", 62 error_get_pretty(err)); 63 exit(1); 64 } 65 66 memory_region_init_ram(&s->sdram, NULL, "cubieboard.ram", args->ram_size); 67 vmstate_register_ram_global(&s->sdram); 68 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE, 69 &s->sdram); 70 71 cubieboard_binfo.ram_size = args->ram_size; 72 cubieboard_binfo.kernel_filename = args->kernel_filename; 73 cubieboard_binfo.kernel_cmdline = args->kernel_cmdline; 74 arm_load_kernel(&s->a10->cpu, &cubieboard_binfo); 75 } 76 77 static QEMUMachine cubieboard_machine = { 78 .name = "cubieboard", 79 .desc = "cubietech cubieboard", 80 .init = cubieboard_init, 81 }; 82 83 84 static void cubieboard_machine_init(void) 85 { 86 qemu_register_machine(&cubieboard_machine); 87 } 88 89 machine_init(cubieboard_machine_init) 90