hw/sparc64/niagara.c

   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 "qemu/units.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/misc/unimp.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 * MiB)
  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_type, NIAGARA_PROM_BASE);
 110     /* set up devices */
 111     memory_region_allocate_system_memory(&s->hv_ram, NULL, "sun4v-hv.ram",
 112                                          NIAGARA_HV_RAM_SIZE);
 113     memory_region_add_subregion(sysmem, NIAGARA_HV_RAM_BASE, &s->hv_ram);
 114
 115     memory_region_allocate_system_memory(&s->partition_ram, NULL,
 116                                          "sun4v-partition.ram",
 117                                          machine->ram_size);
 118     memory_region_add_subregion(sysmem, NIAGARA_PARTITION_RAM_BASE,
 119                                 &s->partition_ram);
 120
 121     memory_region_allocate_system_memory(&s->nvram, NULL,
 122                                          "sun4v.nvram", NIAGARA_NVRAM_SIZE);
 123     memory_region_add_subregion(sysmem, NIAGARA_NVRAM_BASE, &s->nvram);
 124     memory_region_allocate_system_memory(&s->md_rom, NULL,
 125                                          "sun4v-md.rom", NIAGARA_MD_ROM_SIZE);
 126     memory_region_add_subregion(sysmem, NIAGARA_MD_ROM_BASE, &s->md_rom);
 127     memory_region_allocate_system_memory(&s->hv_rom, NULL,
 128                                          "sun4v-hv.rom", NIAGARA_HV_ROM_SIZE);
 129     memory_region_add_subregion(sysmem, NIAGARA_HV_ROM_BASE, &s->hv_rom);
 130     memory_region_allocate_system_memory(&s->prom, NULL,
 131                                          "sun4v.prom", PROM_SIZE_MAX);
 132     memory_region_add_subregion(sysmem, NIAGARA_PROM_BASE, &s->prom);
 133
 134     add_rom_or_fail("nvram1", NIAGARA_NVRAM_BASE);
 135     add_rom_or_fail("1up-md.bin", NIAGARA_MD_ROM_BASE);
 136     add_rom_or_fail("1up-hv.bin", NIAGARA_HV_ROM_BASE);
 137
 138     add_rom_or_fail("reset.bin", NIAGARA_PROM_BASE);
 139     add_rom_or_fail("q.bin", NIAGARA_PROM_BASE + NIAGARA_Q_OFFSET);
 140     add_rom_or_fail("openboot.bin", NIAGARA_PROM_BASE + NIAGARA_OBP_OFFSET);
 141
 142     /* the virtual ramdisk is kind of initrd, but it resides
 143        outside of the partition RAM */
 144     if (dinfo) {
 145         BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
 146         int size = blk_getlength(blk);
 147         if (size > 0) {
 148             memory_region_allocate_system_memory(&s->vdisk_ram, NULL,
 149                                                  "sun4v_vdisk.ram", size);
 150             memory_region_add_subregion(get_system_memory(),
 151                                         NIAGARA_VDISK_BASE, &s->vdisk_ram);
 152             dinfo->is_default = 1;
 153             rom_add_file_fixed(blk_bs(blk)->filename, NIAGARA_VDISK_BASE, -1);
 154         } else {
 155             error_report("could not load ram disk '%s'",
 156                          blk_bs(blk)->filename);
 157             exit(1);
 158         }
 159     }
 160     if (serial_hd(0)) {
 161         serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
 162                        serial_hd(0), DEVICE_BIG_ENDIAN);
 163     }
 164     create_unimplemented_device("sun4v-iob", NIAGARA_IOBBASE, NIAGARA_IOBSIZE);
 165     sun4v_rtc_init(NIAGARA_RTC_BASE);
 166 }
 167
 168 static void niagara_class_init(ObjectClass *oc, void *data)
 169 {
 170     MachineClass *mc = MACHINE_CLASS(oc);
 171
 172     mc->desc = "Sun4v platform, Niagara";
 173     mc->init = niagara_init;
 174     mc->max_cpus = 1; /* XXX for now */
 175     mc->default_boot_order = "c";
 176     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
 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)