1 /* 2 * QEMU Sun4v/Niagara System Emulator 3 * 4 * Copyright (c) 2016 Artyom Tarasenko 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "qapi/error.h" 27 #include "qemu-common.h" 28 #include "cpu.h" 29 #include "hw/hw.h" 30 #include "hw/boards.h" 31 #include "hw/char/serial.h" 32 #include "hw/empty_slot.h" 33 #include "hw/loader.h" 34 #include "hw/sparc/sparc64.h" 35 #include "hw/timer/sun4v-rtc.h" 36 #include "exec/address-spaces.h" 37 #include "sysemu/block-backend.h" 38 39 40 typedef struct NiagaraBoardState { 41 MemoryRegion hv_ram; 42 MemoryRegion partition_ram; 43 MemoryRegion nvram; 44 MemoryRegion md_rom; 45 MemoryRegion hv_rom; 46 MemoryRegion vdisk_ram; 47 MemoryRegion prom; 48 } NiagaraBoardState; 49 50 #define NIAGARA_HV_RAM_BASE 0x100000ULL 51 #define NIAGARA_HV_RAM_SIZE 0x3f00000ULL /* 63 MiB */ 52 53 #define NIAGARA_PARTITION_RAM_BASE 0x80000000ULL 54 55 #define NIAGARA_UART_BASE 0x1f10000000ULL 56 57 #define NIAGARA_NVRAM_BASE 0x1f11000000ULL 58 #define NIAGARA_NVRAM_SIZE 0x2000 59 60 #define NIAGARA_MD_ROM_BASE 0x1f12000000ULL 61 #define NIAGARA_MD_ROM_SIZE 0x2000 62 63 #define NIAGARA_HV_ROM_BASE 0x1f12080000ULL 64 #define NIAGARA_HV_ROM_SIZE 0x2000 65 66 #define NIAGARA_IOBBASE 0x9800000000ULL 67 #define NIAGARA_IOBSIZE 0x0100000000ULL 68 69 #define NIAGARA_VDISK_BASE 0x1f40000000ULL 70 #define NIAGARA_RTC_BASE 0xfff0c1fff8ULL 71 #define NIAGARA_UART_BASE 0x1f10000000ULL 72 73 /* Firmware layout 74 * 75 * |------------------| 76 * | openboot.bin | 77 * |------------------| PROM_ADDR + OBP_OFFSET 78 * | q.bin | 79 * |------------------| PROM_ADDR + Q_OFFSET 80 * | reset.bin | 81 * |------------------| PROM_ADDR 82 */ 83 #define NIAGARA_PROM_BASE 0xfff0000000ULL 84 #define NIAGARA_Q_OFFSET 0x10000ULL 85 #define NIAGARA_OBP_OFFSET 0x80000ULL 86 #define PROM_SIZE_MAX (4 * 1024 * 1024) 87 88 /* Niagara hardware initialisation */ 89 static void niagara_init(MachineState *machine) 90 { 91 NiagaraBoardState *s = g_new(NiagaraBoardState, 1); 92 DriveInfo *dinfo = drive_get_next(IF_PFLASH); 93 MemoryRegion *sysmem = get_system_memory(); 94 95 /* init CPUs */ 96 sparc64_cpu_devinit(machine->cpu_model, "Sun UltraSparc T1", 97 NIAGARA_PROM_BASE); 98 /* set up devices */ 99 memory_region_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram", 100 NIAGARA_HV_RAM_SIZE); 101 memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram); 102 103 memory_region_allocate_system_memory(&s->partition_ram, NULL, 104 "sun4v-partition.ram", 105 machine->ram_size); 106 memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE, 107 &s->partition_ram); 108 109 memory_region_allocate_system_memory(&s->nvram, NULL, 110 "sun4v.nvram", NIAGARA_NVRAM_SIZE); 111 memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram); 112 memory_region_allocate_system_memory(&s->md_rom, NULL, 113 "sun4v-md.rom", NIAGARA_MD_ROM_SIZE); 114 memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom); 115 memory_region_allocate_system_memory(&s->hv_rom, NULL, 116 "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE); 117 memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom); 118 memory_region_allocate_system_memory(&s->prom, NULL, 119 "sun4v.prom", PROM_SIZE_MAX); 120 memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom); 121 122 rom_add_file_fixed("nvram1", NIAGARA_NVRAM_BASE, -1); 123 rom_add_file_fixed("1up-md.bin", NIAGARA_MD_ROM_BASE, -1); 124 rom_add_file_fixed("1up-hv.bin", NIAGARA_HV_ROM_BASE, -1); 125 126 rom_add_file_fixed("reset.bin", NIAGARA_PROM_BASE, -1); 127 rom_add_file_fixed("q.bin", NIAGARA_PROM_BASE + NIAGARA_Q_OFFSET, -1); 128 rom_add_file_fixed("openboot.bin", NIAGARA_PROM_BASE + NIAGARA_OBP_OFFSET, 129 -1); 130 131 /* the virtual ramdisk is kind of initrd, but it resides 132 outside of the partition RAM */ 133 if (dinfo) { 134 BlockBackend *blk = blk_by_legacy_dinfo(dinfo); 135 int size = blk_getlength(blk); 136 if (size > 0) { 137 memory_region_allocate_system_memory(&s->vdisk_ram, NULL, 138 "sun4v_vdisk.ram", size); 139 memory_region_add_subregion(get_system_memory(), 140 NIAGARA_VDISK_BASE, &s->vdisk_ram); 141 dinfo->is_default = 1; 142 rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1); 143 } else { 144 fprintf(stderr, "qemu: could not load ram disk '%s'\n", 145 blk_bs(blk)->filename); 146 exit(1); 147 } 148 } 149 serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200, 150 serial_hds[0], DEVICE_BIG_ENDIAN); 151 152 empty_slot_init(NIAGARA_IOBBASE, NIAGARA_IOBSIZE); 153 sun4v_rtc_init(NIAGARA_RTC_BASE); 154 } 155 156 static void niagara_class_init(ObjectClass *oc, void *data) 157 { 158 MachineClass *mc = MACHINE_CLASS(oc); 159 160 mc->desc = "Sun4v platform, Niagara"; 161 mc->init = niagara_init; 162 mc->max_cpus = 1; /* XXX for now */ 163 mc->default_boot_order = "c"; 164 } 165 166 static const TypeInfo niagara_type = { 167 .name = MACHINE_TYPE_NAME("niagara"), 168 .parent = TYPE_MACHINE, 169 .class_init = niagara_class_init, 170 }; 171 172 static void niagara_register_types(void) 173 { 174 type_register_static(&niagara_type); 175 } 176 177 type_init(niagara_register_types) 178