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 28 #include "hw/tricore/tc27x_soc.h" 29 #include "hw/tricore/triboard.h" 30 31 const MemmapEntry tc27x_soc_memmap[] = { 32 [TC27XD_DSPR2] = { 0x50000000, 120 * KiB }, 33 [TC27XD_DCACHE2] = { 0x5001E000, 8 * KiB }, 34 [TC27XD_DTAG2] = { 0x500C0000, 0xC00 }, 35 [TC27XD_PSPR2] = { 0x50100000, 32 * KiB }, 36 [TC27XD_PCACHE2] = { 0x50108000, 16 * KiB }, 37 [TC27XD_PTAG2] = { 0x501C0000, 0x1800 }, 38 [TC27XD_DSPR1] = { 0x60000000, 120 * KiB }, 39 [TC27XD_DCACHE1] = { 0x6001E000, 8 * KiB }, 40 [TC27XD_DTAG1] = { 0x600C0000, 0xC00 }, 41 [TC27XD_PSPR1] = { 0x60100000, 32 * KiB }, 42 [TC27XD_PCACHE1] = { 0x60108000, 16 * KiB }, 43 [TC27XD_PTAG1] = { 0x601C0000, 0x1800 }, 44 [TC27XD_DSPR0] = { 0x70000000, 112 * KiB }, 45 [TC27XD_PSPR0] = { 0x70100000, 24 * KiB }, 46 [TC27XD_PCACHE0] = { 0x70106000, 8 * KiB }, 47 [TC27XD_PTAG0] = { 0x701C0000, 0xC00 }, 48 [TC27XD_PFLASH0_C] = { 0x80000000, 2 * MiB }, 49 [TC27XD_PFLASH1_C] = { 0x80200000, 2 * MiB }, 50 [TC27XD_OLDA_C] = { 0x8FE70000, 32 * KiB }, 51 [TC27XD_BROM_C] = { 0x8FFF8000, 32 * KiB }, 52 [TC27XD_LMURAM_C] = { 0x90000000, 32 * KiB }, 53 [TC27XD_EMEM_C] = { 0x9F000000, 1 * MiB }, 54 [TC27XD_PFLASH0_U] = { 0xA0000000, 0x0 }, 55 [TC27XD_PFLASH1_U] = { 0xA0200000, 0x0 }, 56 [TC27XD_DFLASH0] = { 0xAF000000, 1 * MiB + 16 * KiB }, 57 [TC27XD_DFLASH1] = { 0xAF110000, 64 * KiB }, 58 [TC27XD_OLDA_U] = { 0xAFE70000, 0x0 }, 59 [TC27XD_BROM_U] = { 0xAFFF8000, 0x0 }, 60 [TC27XD_LMURAM_U] = { 0xB0000000, 0x0 }, 61 [TC27XD_EMEM_U] = { 0xBF000000, 0x0 }, 62 [TC27XD_PSPRX] = { 0xC0000000, 0x0 }, 63 [TC27XD_DSPRX] = { 0xD0000000, 0x0 }, 64 }; 65 66 /* 67 * Initialize the auxiliary ROM region @mr and map it into 68 * the memory map at @base. 69 */ 70 static void make_rom(MemoryRegion *mr, const char *name, 71 hwaddr base, hwaddr size) 72 { 73 memory_region_init_rom(mr, NULL, name, size, &error_fatal); 74 memory_region_add_subregion(get_system_memory(), base, mr); 75 } 76 77 /* 78 * Initialize the auxiliary RAM region @mr and map it into 79 * the memory map at @base. 80 */ 81 static void make_ram(MemoryRegion *mr, const char *name, 82 hwaddr base, hwaddr size) 83 { 84 memory_region_init_ram(mr, NULL, name, size, &error_fatal); 85 memory_region_add_subregion(get_system_memory(), base, mr); 86 } 87 88 /* 89 * Create an alias of an entire original MemoryRegion @orig 90 * located at @base in the memory map. 91 */ 92 static void make_alias(MemoryRegion *mr, const char *name, 93 MemoryRegion *orig, hwaddr base) 94 { 95 memory_region_init_alias(mr, NULL, name, orig, 0, 96 memory_region_size(orig)); 97 memory_region_add_subregion(get_system_memory(), base, mr); 98 } 99 100 static void tc27x_soc_init_memory_mapping(DeviceState *dev_soc) 101 { 102 TC27XSoCState *s = TC27X_SOC(dev_soc); 103 TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s); 104 105 make_ram(&s->cpu0mem.dspr, "CPU0.DSPR", 106 sc->memmap[TC27XD_DSPR0].base, sc->memmap[TC27XD_DSPR0].size); 107 make_ram(&s->cpu0mem.pspr, "CPU0.PSPR", 108 sc->memmap[TC27XD_PSPR0].base, sc->memmap[TC27XD_PSPR0].size); 109 make_ram(&s->cpu1mem.dspr, "CPU1.DSPR", 110 sc->memmap[TC27XD_DSPR1].base, sc->memmap[TC27XD_DSPR1].size); 111 make_ram(&s->cpu1mem.pspr, "CPU1.PSPR", 112 sc->memmap[TC27XD_PSPR1].base, sc->memmap[TC27XD_PSPR1].size); 113 make_ram(&s->cpu2mem.dspr, "CPU2.DSPR", 114 sc->memmap[TC27XD_DSPR2].base, sc->memmap[TC27XD_DSPR2].size); 115 make_ram(&s->cpu2mem.pspr, "CPU2.PSPR", 116 sc->memmap[TC27XD_PSPR2].base, sc->memmap[TC27XD_PSPR2].size); 117 118 /* TODO: Control Cache mapping with Memory Test Unit (MTU) */ 119 make_ram(&s->cpu2mem.dcache, "CPU2.DCACHE", 120 sc->memmap[TC27XD_DCACHE2].base, sc->memmap[TC27XD_DCACHE2].size); 121 make_ram(&s->cpu2mem.dtag, "CPU2.DTAG", 122 sc->memmap[TC27XD_DTAG2].base, sc->memmap[TC27XD_DTAG2].size); 123 make_ram(&s->cpu2mem.pcache, "CPU2.PCACHE", 124 sc->memmap[TC27XD_PCACHE2].base, sc->memmap[TC27XD_PCACHE2].size); 125 make_ram(&s->cpu2mem.ptag, "CPU2.PTAG", 126 sc->memmap[TC27XD_PTAG2].base, sc->memmap[TC27XD_PTAG2].size); 127 128 make_ram(&s->cpu1mem.dcache, "CPU1.DCACHE", 129 sc->memmap[TC27XD_DCACHE1].base, sc->memmap[TC27XD_DCACHE1].size); 130 make_ram(&s->cpu1mem.dtag, "CPU1.DTAG", 131 sc->memmap[TC27XD_DTAG1].base, sc->memmap[TC27XD_DTAG1].size); 132 make_ram(&s->cpu1mem.pcache, "CPU1.PCACHE", 133 sc->memmap[TC27XD_PCACHE1].base, sc->memmap[TC27XD_PCACHE1].size); 134 make_ram(&s->cpu1mem.ptag, "CPU1.PTAG", 135 sc->memmap[TC27XD_PTAG1].base, sc->memmap[TC27XD_PTAG1].size); 136 137 make_ram(&s->cpu0mem.pcache, "CPU0.PCACHE", 138 sc->memmap[TC27XD_PCACHE0].base, sc->memmap[TC27XD_PCACHE0].size); 139 make_ram(&s->cpu0mem.ptag, "CPU0.PTAG", 140 sc->memmap[TC27XD_PTAG0].base, sc->memmap[TC27XD_PTAG0].size); 141 142 /* 143 * TriCore QEMU executes CPU0 only, thus it is sufficient to map 144 * LOCAL.PSPR/LOCAL.DSPR exclusively onto PSPR0/DSPR0. 145 */ 146 make_alias(&s->psprX, "LOCAL.PSPR", &s->cpu0mem.pspr, 147 sc->memmap[TC27XD_PSPRX].base); 148 make_alias(&s->dsprX, "LOCAL.DSPR", &s->cpu0mem.dspr, 149 sc->memmap[TC27XD_DSPRX].base); 150 151 make_ram(&s->flashmem.pflash0_c, "PF0", 152 sc->memmap[TC27XD_PFLASH0_C].base, sc->memmap[TC27XD_PFLASH0_C].size); 153 make_ram(&s->flashmem.pflash1_c, "PF1", 154 sc->memmap[TC27XD_PFLASH1_C].base, sc->memmap[TC27XD_PFLASH1_C].size); 155 make_ram(&s->flashmem.dflash0, "DF0", 156 sc->memmap[TC27XD_DFLASH0].base, sc->memmap[TC27XD_DFLASH0].size); 157 make_ram(&s->flashmem.dflash1, "DF1", 158 sc->memmap[TC27XD_DFLASH1].base, sc->memmap[TC27XD_DFLASH1].size); 159 make_ram(&s->flashmem.olda_c, "OLDA", 160 sc->memmap[TC27XD_OLDA_C].base, sc->memmap[TC27XD_OLDA_C].size); 161 make_rom(&s->flashmem.brom_c, "BROM", 162 sc->memmap[TC27XD_BROM_C].base, sc->memmap[TC27XD_BROM_C].size); 163 make_ram(&s->flashmem.lmuram_c, "LMURAM", 164 sc->memmap[TC27XD_LMURAM_C].base, sc->memmap[TC27XD_LMURAM_C].size); 165 make_ram(&s->flashmem.emem_c, "EMEM", 166 sc->memmap[TC27XD_EMEM_C].base, sc->memmap[TC27XD_EMEM_C].size); 167 168 make_alias(&s->flashmem.pflash0_u, "PF0.U", &s->flashmem.pflash0_c, 169 sc->memmap[TC27XD_PFLASH0_U].base); 170 make_alias(&s->flashmem.pflash1_u, "PF1.U", &s->flashmem.pflash1_c, 171 sc->memmap[TC27XD_PFLASH1_U].base); 172 make_alias(&s->flashmem.olda_u, "OLDA.U", &s->flashmem.olda_c, 173 sc->memmap[TC27XD_OLDA_U].base); 174 make_alias(&s->flashmem.brom_u, "BROM.U", &s->flashmem.brom_c, 175 sc->memmap[TC27XD_BROM_U].base); 176 make_alias(&s->flashmem.lmuram_u, "LMURAM.U", &s->flashmem.lmuram_c, 177 sc->memmap[TC27XD_LMURAM_U].base); 178 make_alias(&s->flashmem.emem_u, "EMEM.U", &s->flashmem.emem_c, 179 sc->memmap[TC27XD_EMEM_U].base); 180 } 181 182 static void tc27x_soc_realize(DeviceState *dev_soc, Error **errp) 183 { 184 TC27XSoCState *s = TC27X_SOC(dev_soc); 185 Error *err = NULL; 186 187 qdev_realize(DEVICE(&s->cpu), NULL, &err); 188 if (err) { 189 error_propagate(errp, err); 190 return; 191 } 192 193 tc27x_soc_init_memory_mapping(dev_soc); 194 } 195 196 static void tc27x_soc_init(Object *obj) 197 { 198 TC27XSoCState *s = TC27X_SOC(obj); 199 TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s); 200 201 object_initialize_child(obj, "tc27x", &s->cpu, sc->cpu_type); 202 } 203 204 static Property tc27x_soc_properties[] = { 205 DEFINE_PROP_END_OF_LIST(), 206 }; 207 208 static void tc27x_soc_class_init(ObjectClass *klass, void *data) 209 { 210 DeviceClass *dc = DEVICE_CLASS(klass); 211 212 dc->realize = tc27x_soc_realize; 213 device_class_set_props(dc, tc27x_soc_properties); 214 } 215 216 static void tc277d_soc_class_init(ObjectClass *oc, void *data) 217 { 218 TC27XSoCClass *sc = TC27X_SOC_CLASS(oc); 219 220 sc->name = "tc277d-soc"; 221 sc->cpu_type = TRICORE_CPU_TYPE_NAME("tc27x"); 222 sc->memmap = tc27x_soc_memmap; 223 sc->num_cpus = 1; 224 } 225 226 static const TypeInfo tc27x_soc_types[] = { 227 { 228 .name = "tc277d-soc", 229 .parent = TYPE_TC27X_SOC, 230 .class_init = tc277d_soc_class_init, 231 }, { 232 .name = TYPE_TC27X_SOC, 233 .parent = TYPE_SYS_BUS_DEVICE, 234 .instance_size = sizeof(TC27XSoCState), 235 .instance_init = tc27x_soc_init, 236 .class_size = sizeof(TC27XSoCClass), 237 .class_init = tc27x_soc_class_init, 238 .abstract = true, 239 }, 240 }; 241 242 DEFINE_TYPES(tc27x_soc_types) 243