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 #include "qemu/error-report.h" 39 #include "sysemu/qtest.h" 40 41 42 typedef struct NiagaraBoardState { 43 MemoryRegion hv_ram; 44 MemoryRegion partition_ram; 45 MemoryRegion nvram; 46 MemoryRegion md_rom; 47 MemoryRegion hv_rom; 48 MemoryRegion vdisk_ram; 49 MemoryRegion prom; 50 } NiagaraBoardState; 51 52 #define NIAGARA_HV_RAM_BASE 0x100000ULL 53 #define NIAGARA_HV_RAM_SIZE 0x3f00000ULL /* 63 MiB */ 54 55 #define NIAGARA_PARTITION_RAM_BASE 0x80000000ULL 56 57 #define NIAGARA_UART_BASE 0x1f10000000ULL 58 59 #define NIAGARA_NVRAM_BASE 0x1f11000000ULL 60 #define NIAGARA_NVRAM_SIZE 0x2000 61 62 #define NIAGARA_MD_ROM_BASE 0x1f12000000ULL 63 #define NIAGARA_MD_ROM_SIZE 0x2000 64 65 #define NIAGARA_HV_ROM_BASE 0x1f12080000ULL 66 #define NIAGARA_HV_ROM_SIZE 0x2000 67 68 #define NIAGARA_IOBBASE 0x9800000000ULL 69 #define NIAGARA_IOBSIZE 0x0100000000ULL 70 71 #define NIAGARA_VDISK_BASE 0x1f40000000ULL 72 #define NIAGARA_RTC_BASE 0xfff0c1fff8ULL 73 #define NIAGARA_UART_BASE 0x1f10000000ULL 74 75 /* Firmware layout 76 * 77 * |------------------| 78 * | openboot.bin | 79 * |------------------| PROM_ADDR + OBP_OFFSET 80 * | q.bin | 81 * |------------------| PROM_ADDR + Q_OFFSET 82 * | reset.bin | 83 * |------------------| PROM_ADDR 84 */ 85 #define NIAGARA_PROM_BASE 0xfff0000000ULL 86 #define NIAGARA_Q_OFFSET 0x10000ULL 87 #define NIAGARA_OBP_OFFSET 0x80000ULL 88 #define PROM_SIZE_MAX (4 * 1024 * 1024) 89 90 static void add_rom_or_fail(const char *file, const hwaddr addr) 91 { 92 /* XXX remove qtest_enabled() check once firmware files are 93 * in the qemu tree 94 */ 95 if (!qtest_enabled() && rom_add_file_fixed(file, addr, -1)) { 96 error_report("Unable to load a firmware for -M niagara"); 97 exit(1); 98 } 99 100 } 101 /* Niagara hardware initialisation */ 102 static void niagara_init(MachineState *machine) 103 { 104 NiagaraBoardState *s = g_new(NiagaraBoardState, 1); 105 DriveInfo *dinfo = drive_get_next(IF_PFLASH); 106 MemoryRegion *sysmem = get_system_memory(); 107 108 /* init CPUs */ 109 sparc64_cpu_devinit(machine->cpu_model, "Sun UltraSparc T1", 110 NIAGARA_PROM_BASE); 111 /* set up devices */ 112 memory_region_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram", 113 NIAGARA_HV_RAM_SIZE); 114 memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram); 115 116 memory_region_allocate_system_memory(&s->partition_ram, NULL, 117 "sun4v-partition.ram", 118 machine->ram_size); 119 memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE, 120 &s->partition_ram); 121 122 memory_region_allocate_system_memory(&s->nvram, NULL, 123 "sun4v.nvram", NIAGARA_NVRAM_SIZE); 124 memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram); 125 memory_region_allocate_system_memory(&s->md_rom, NULL, 126 "sun4v-md.rom", NIAGARA_MD_ROM_SIZE); 127 memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom); 128 memory_region_allocate_system_memory(&s->hv_rom, NULL, 129 "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE); 130 memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom); 131 memory_region_allocate_system_memory(&s->prom, NULL, 132 "sun4v.prom", PROM_SIZE_MAX); 133 memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom); 134 135 add_rom_or_fail("nvram1", NIAGARA_NVRAM_BASE); 136 add_rom_or_fail("1up-md.bin", NIAGARA_MD_ROM_BASE); 137 add_rom_or_fail("1up-hv.bin", NIAGARA_HV_ROM_BASE); 138 139 add_rom_or_fail("reset.bin", NIAGARA_PROM_BASE); 140 add_rom_or_fail("q.bin", NIAGARA_PROM_BASE + NIAGARA_Q_OFFSET); 141 add_rom_or_fail("openboot.bin", NIAGARA_PROM_BASE + NIAGARA_OBP_OFFSET); 142 143 /* the virtual ramdisk is kind of initrd, but it resides 144 outside of the partition RAM */ 145 if (dinfo) { 146 BlockBackend *blk = blk_by_legacy_dinfo(dinfo); 147 int size = blk_getlength(blk); 148 if (size > 0) { 149 memory_region_allocate_system_memory(&s->vdisk_ram, NULL, 150 "sun4v_vdisk.ram", size); 151 memory_region_add_subregion(get_system_memory(), 152 NIAGARA_VDISK_BASE, &s->vdisk_ram); 153 dinfo->is_default = 1; 154 rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1); 155 } else { 156 fprintf(stderr, "qemu: could not load ram disk '%s'\n", 157 blk_bs(blk)->filename); 158 exit(1); 159 } 160 } 161 if (serial_hds[0]) { 162 serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200, 163 serial_hds[0], DEVICE_BIG_ENDIAN); 164 } 165 empty_slot_init(NIAGARA_IOBBASE, NIAGARA_IOBSIZE); 166 sun4v_rtc_init(NIAGARA_RTC_BASE); 167 } 168 169 static void niagara_class_init(ObjectClass *oc, void *data) 170 { 171 MachineClass *mc = MACHINE_CLASS(oc); 172 173 mc->desc = "Sun4v platform, Niagara"; 174 mc->init = niagara_init; 175 mc->max_cpus = 1; /* XXX for now */ 176 mc->default_boot_order = "c"; 177 } 178 179 static const TypeInfo niagara_type = { 180 .name = MACHINE_TYPE_NAME("niagara"), 181 .parent = TYPE_MACHINE, 182 .class_init = niagara_class_init, 183 }; 184 185 static void niagara_register_types(void) 186 { 187 type_register_static(&niagara_type); 188 } 189 190 type_init(niagara_register_types) 191