hw/tricore/tc27x_soc.c

   1 /*
   2  * Infineon tc27x SoC System emulation.
   3  *
   4  * Copyright (c) 2020 Andreas Konopik <andreas.konopik@efs-auto.de>
   5  * Copyright (c) 2020 David Brenken <david.brenken@efs-auto.de>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qapi/error.h"
  23 #include "hw/sysbus.h"
  24 #include "hw/loader.h"
  25 #include "qemu/units.h"
  26 #include "hw/misc/unimp.h"
  27 #include "exec/address-spaces.h"
  28 #include "cpu.h"
  29
  30 #include "hw/tricore/tc27x_soc.h"
  31 #include "hw/tricore/triboard.h"
  32
  33 const MemmapEntry tc27x_soc_memmap[] = {
  34     [TC27XD_DSPR2]     = { 0x50000000,            120 * KiB },
  35     [TC27XD_DCACHE2]   = { 0x5001E000,              8 * KiB },
  36     [TC27XD_DTAG2]     = { 0x500C0000,                0xC00 },
  37     [TC27XD_PSPR2]     = { 0x50100000,             32 * KiB },
  38     [TC27XD_PCACHE2]   = { 0x50108000,             16 * KiB },
  39     [TC27XD_PTAG2]     = { 0x501C0000,               0x1800 },
  40     [TC27XD_DSPR1]     = { 0x60000000,            120 * KiB },
  41     [TC27XD_DCACHE1]   = { 0x6001E000,              8 * KiB },
  42     [TC27XD_DTAG1]     = { 0x600C0000,                0xC00 },
  43     [TC27XD_PSPR1]     = { 0x60100000,             32 * KiB },
  44     [TC27XD_PCACHE1]   = { 0x60108000,             16 * KiB },
  45     [TC27XD_PTAG1]     = { 0x601C0000,               0x1800 },
  46     [TC27XD_DSPR0]     = { 0x70000000,            112 * KiB },
  47     [TC27XD_PSPR0]     = { 0x70100000,             24 * KiB },
  48     [TC27XD_PCACHE0]   = { 0x70106000,              8 * KiB },
  49     [TC27XD_PTAG0]     = { 0x701C0000,                0xC00 },
  50     [TC27XD_PFLASH0_C] = { 0x80000000,              2 * MiB },
  51     [TC27XD_PFLASH1_C] = { 0x80200000,              2 * MiB },
  52     [TC27XD_OLDA_C]    = { 0x8FE70000,             32 * KiB },
  53     [TC27XD_BROM_C]    = { 0x8FFF8000,             32 * KiB },
  54     [TC27XD_LMURAM_C]  = { 0x90000000,             32 * KiB },
  55     [TC27XD_EMEM_C]    = { 0x9F000000,              1 * MiB },
  56     [TC27XD_PFLASH0_U] = { 0xA0000000,                  0x0 },
  57     [TC27XD_PFLASH1_U] = { 0xA0200000,                  0x0 },
  58     [TC27XD_DFLASH0]   = { 0xAF000000,   1 * MiB + 16 * KiB },
  59     [TC27XD_DFLASH1]   = { 0xAF110000,             64 * KiB },
  60     [TC27XD_OLDA_U]    = { 0xAFE70000,                  0x0 },
  61     [TC27XD_BROM_U]    = { 0xAFFF8000,                  0x0 },
  62     [TC27XD_LMURAM_U]  = { 0xB0000000,                  0x0 },
  63     [TC27XD_EMEM_U]    = { 0xBF000000,                  0x0 },
  64     [TC27XD_PSPRX]     = { 0xC0000000,                  0x0 },
  65     [TC27XD_DSPRX]     = { 0xD0000000,                  0x0 },
  66 };
  67
  68 /*
  69  * Initialize the auxiliary ROM region @mr and map it into
  70  * the memory map at @base.
  71  */
  72 static void make_rom(MemoryRegion *mr, const char *name,
  73                      hwaddr base, hwaddr size)
  74 {
  75     memory_region_init_rom(mr, NULL, name, size, &error_fatal);
  76     memory_region_add_subregion(get_system_memory(), base, mr);
  77 }
  78
  79 /*
  80  * Initialize the auxiliary RAM region @mr and map it into
  81  * the memory map at @base.
  82  */
  83 static void make_ram(MemoryRegion *mr, const char *name,
  84                      hwaddr base, hwaddr size)
  85 {
  86     memory_region_init_ram(mr, NULL, name, size, &error_fatal);
  87     memory_region_add_subregion(get_system_memory(), base, mr);
  88 }
  89
  90 /*
  91  * Create an alias of an entire original MemoryRegion @orig
  92  * located at @base in the memory map.
  93  */
  94 static void make_alias(MemoryRegion *mr, const char *name,
  95                            MemoryRegion *orig, hwaddr base)
  96 {
  97     memory_region_init_alias(mr, NULL, name, orig, 0,
  98                              memory_region_size(orig));
  99     memory_region_add_subregion(get_system_memory(), base, mr);
 100 }
 101
 102 static void tc27x_soc_init_memory_mapping(DeviceState *dev_soc)
 103 {
 104     TC27XSoCState *s = TC27X_SOC(dev_soc);
 105     TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);
 106
 107     make_ram(&s->cpu0mem.dspr, "CPU0.DSPR",
 108         sc->memmap[TC27XD_DSPR0].base, sc->memmap[TC27XD_DSPR0].size);
 109     make_ram(&s->cpu0mem.pspr, "CPU0.PSPR",
 110         sc->memmap[TC27XD_PSPR0].base, sc->memmap[TC27XD_PSPR0].size);
 111     make_ram(&s->cpu1mem.dspr, "CPU1.DSPR",
 112         sc->memmap[TC27XD_DSPR1].base, sc->memmap[TC27XD_DSPR1].size);
 113     make_ram(&s->cpu1mem.pspr, "CPU1.PSPR",
 114         sc->memmap[TC27XD_PSPR1].base, sc->memmap[TC27XD_PSPR1].size);
 115     make_ram(&s->cpu2mem.dspr, "CPU2.DSPR",
 116         sc->memmap[TC27XD_DSPR2].base, sc->memmap[TC27XD_DSPR2].size);
 117     make_ram(&s->cpu2mem.pspr, "CPU2.PSPR",
 118         sc->memmap[TC27XD_PSPR2].base, sc->memmap[TC27XD_PSPR2].size);
 119
 120     /* TODO: Control Cache mapping with Memory Test Unit (MTU) */
 121     make_ram(&s->cpu2mem.dcache, "CPU2.DCACHE",
 122         sc->memmap[TC27XD_DCACHE2].base, sc->memmap[TC27XD_DCACHE2].size);
 123     make_ram(&s->cpu2mem.dtag,   "CPU2.DTAG",
 124         sc->memmap[TC27XD_DTAG2].base, sc->memmap[TC27XD_DTAG2].size);
 125     make_ram(&s->cpu2mem.pcache, "CPU2.PCACHE",
 126         sc->memmap[TC27XD_PCACHE2].base, sc->memmap[TC27XD_PCACHE2].size);
 127     make_ram(&s->cpu2mem.ptag,   "CPU2.PTAG",
 128         sc->memmap[TC27XD_PTAG2].base, sc->memmap[TC27XD_PTAG2].size);
 129
 130     make_ram(&s->cpu1mem.dcache, "CPU1.DCACHE",
 131         sc->memmap[TC27XD_DCACHE1].base, sc->memmap[TC27XD_DCACHE1].size);
 132     make_ram(&s->cpu1mem.dtag,   "CPU1.DTAG",
 133         sc->memmap[TC27XD_DTAG1].base, sc->memmap[TC27XD_DTAG1].size);
 134     make_ram(&s->cpu1mem.pcache, "CPU1.PCACHE",
 135         sc->memmap[TC27XD_PCACHE1].base, sc->memmap[TC27XD_PCACHE1].size);
 136     make_ram(&s->cpu1mem.ptag,   "CPU1.PTAG",
 137         sc->memmap[TC27XD_PTAG1].base, sc->memmap[TC27XD_PTAG1].size);
 138
 139     make_ram(&s->cpu0mem.pcache, "CPU0.PCACHE",
 140         sc->memmap[TC27XD_PCACHE0].base, sc->memmap[TC27XD_PCACHE0].size);
 141     make_ram(&s->cpu0mem.ptag,   "CPU0.PTAG",
 142         sc->memmap[TC27XD_PTAG0].base, sc->memmap[TC27XD_PTAG0].size);
 143
 144     /*
 145      * TriCore QEMU executes CPU0 only, thus it is sufficient to map
 146      * LOCAL.PSPR/LOCAL.DSPR exclusively onto PSPR0/DSPR0.
 147      */
 148     make_alias(&s->psprX, "LOCAL.PSPR", &s->cpu0mem.pspr,
 149         sc->memmap[TC27XD_PSPRX].base);
 150     make_alias(&s->dsprX, "LOCAL.DSPR", &s->cpu0mem.dspr,
 151         sc->memmap[TC27XD_DSPRX].base);
 152
 153     make_ram(&s->flashmem.pflash0_c, "PF0",
 154         sc->memmap[TC27XD_PFLASH0_C].base, sc->memmap[TC27XD_PFLASH0_C].size);
 155     make_ram(&s->flashmem.pflash1_c, "PF1",
 156         sc->memmap[TC27XD_PFLASH1_C].base, sc->memmap[TC27XD_PFLASH1_C].size);
 157     make_ram(&s->flashmem.dflash0,   "DF0",
 158         sc->memmap[TC27XD_DFLASH0].base, sc->memmap[TC27XD_DFLASH0].size);
 159     make_ram(&s->flashmem.dflash1,   "DF1",
 160         sc->memmap[TC27XD_DFLASH1].base, sc->memmap[TC27XD_DFLASH1].size);
 161     make_ram(&s->flashmem.olda_c,    "OLDA",
 162         sc->memmap[TC27XD_OLDA_C].base, sc->memmap[TC27XD_OLDA_C].size);
 163     make_rom(&s->flashmem.brom_c,    "BROM",
 164         sc->memmap[TC27XD_BROM_C].base, sc->memmap[TC27XD_BROM_C].size);
 165     make_ram(&s->flashmem.lmuram_c,  "LMURAM",
 166         sc->memmap[TC27XD_LMURAM_C].base, sc->memmap[TC27XD_LMURAM_C].size);
 167     make_ram(&s->flashmem.emem_c,    "EMEM",
 168         sc->memmap[TC27XD_EMEM_C].base, sc->memmap[TC27XD_EMEM_C].size);
 169
 170     make_alias(&s->flashmem.pflash0_u, "PF0.U",    &s->flashmem.pflash0_c,
 171         sc->memmap[TC27XD_PFLASH0_U].base);
 172     make_alias(&s->flashmem.pflash1_u, "PF1.U",    &s->flashmem.pflash1_c,
 173         sc->memmap[TC27XD_PFLASH1_U].base);
 174     make_alias(&s->flashmem.olda_u,    "OLDA.U",   &s->flashmem.olda_c,
 175         sc->memmap[TC27XD_OLDA_U].base);
 176     make_alias(&s->flashmem.brom_u,    "BROM.U",   &s->flashmem.brom_c,
 177         sc->memmap[TC27XD_BROM_U].base);
 178     make_alias(&s->flashmem.lmuram_u,  "LMURAM.U", &s->flashmem.lmuram_c,
 179         sc->memmap[TC27XD_LMURAM_U].base);
 180     make_alias(&s->flashmem.emem_u,    "EMEM.U",   &s->flashmem.emem_c,
 181         sc->memmap[TC27XD_EMEM_U].base);
 182 }
 183
 184 static void tc27x_soc_realize(DeviceState *dev_soc, Error **errp)
 185 {
 186     TC27XSoCState *s = TC27X_SOC(dev_soc);
 187     Error *err = NULL;
 188
 189     qdev_realize(DEVICE(&s->cpu), NULL, &err);
 190     if (err) {
 191         error_propagate(errp, err);
 192         return;
 193     }
 194
 195     tc27x_soc_init_memory_mapping(dev_soc);
 196 }
 197
 198 static void tc27x_soc_init(Object *obj)
 199 {
 200     TC27XSoCState *s = TC27X_SOC(obj);
 201     TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);
 202
 203     object_initialize_child(obj, "tc27x", &s->cpu, sc->cpu_type);
 204 }
 205
 206 static Property tc27x_soc_properties[] = {
 207     DEFINE_PROP_END_OF_LIST(),
 208 };
 209
 210 static void tc27x_soc_class_init(ObjectClass *klass, void *data)
 211 {
 212     DeviceClass *dc = DEVICE_CLASS(klass);
 213
 214     dc->realize = tc27x_soc_realize;
 215     device_class_set_props(dc, tc27x_soc_properties);
 216 }
 217
 218 static void tc277d_soc_class_init(ObjectClass *oc, void *data)
 219 {
 220     TC27XSoCClass *sc = TC27X_SOC_CLASS(oc);
 221
 222     sc->name         = "tc277d-soc";
 223     sc->cpu_type     = TRICORE_CPU_TYPE_NAME("tc27x");
 224     sc->memmap       = tc27x_soc_memmap;
 225     sc->num_cpus     = 1;
 226 }
 227
 228 static const TypeInfo tc27x_soc_types[] = {
 229     {
 230         .name          = "tc277d-soc",
 231         .parent        = TYPE_TC27X_SOC,
 232         .class_init    = tc277d_soc_class_init,
 233     }, {
 234         .name          = TYPE_TC27X_SOC,
 235         .parent        = TYPE_SYS_BUS_DEVICE,
 236         .instance_size = sizeof(TC27XSoCState),
 237         .instance_init = tc27x_soc_init,
 238         .class_size    = sizeof(TC27XSoCClass),
 239         .class_init    = tc27x_soc_class_init,
 240         .abstract      = true,
 241     },
 242 };
 243
 244 DEFINE_TYPES(tc27x_soc_types)