hw/tricore/tc27x_soc.c - qemu - Git at Google

 /*
  * Infineon tc27x SoC System emulation.
  *
  * Copyright (c) 2020 Andreas Konopik <andreas.konopik@efs-auto.de>
  * Copyright (c) 2020 David Brenken <david.brenken@efs-auto.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */

 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "hw/sysbus.h"
 #include "hw/loader.h"
 #include "qemu/units.h"
 #include "hw/misc/unimp.h"

 #include "hw/tricore/tc27x_soc.h"
 #include "hw/tricore/triboard.h"

 const MemmapEntry tc27x_soc_memmap[] = {
     [TC27XD_DSPR2]     = { 0x50000000,            120 * KiB },
     [TC27XD_DCACHE2]   = { 0x5001E000,              8 * KiB },
     [TC27XD_DTAG2]     = { 0x500C0000,                0xC00 },
     [TC27XD_PSPR2]     = { 0x50100000,             32 * KiB },
     [TC27XD_PCACHE2]   = { 0x50108000,             16 * KiB },
     [TC27XD_PTAG2]     = { 0x501C0000,               0x1800 },
     [TC27XD_DSPR1]     = { 0x60000000,            120 * KiB },
     [TC27XD_DCACHE1]   = { 0x6001E000,              8 * KiB },
     [TC27XD_DTAG1]     = { 0x600C0000,                0xC00 },
     [TC27XD_PSPR1]     = { 0x60100000,             32 * KiB },
     [TC27XD_PCACHE1]   = { 0x60108000,             16 * KiB },
     [TC27XD_PTAG1]     = { 0x601C0000,               0x1800 },
     [TC27XD_DSPR0]     = { 0x70000000,            112 * KiB },
     [TC27XD_PSPR0]     = { 0x70100000,             24 * KiB },
     [TC27XD_PCACHE0]   = { 0x70106000,              8 * KiB },
     [TC27XD_PTAG0]     = { 0x701C0000,                0xC00 },
     [TC27XD_PFLASH0_C] = { 0x80000000,              2 * MiB },
     [TC27XD_PFLASH1_C] = { 0x80200000,              2 * MiB },
     [TC27XD_OLDA_C]    = { 0x8FE70000,             32 * KiB },
     [TC27XD_BROM_C]    = { 0x8FFF8000,             32 * KiB },
     [TC27XD_LMURAM_C]  = { 0x90000000,             32 * KiB },
     [TC27XD_EMEM_C]    = { 0x9F000000,              1 * MiB },
     [TC27XD_PFLASH0_U] = { 0xA0000000,                  0x0 },
     [TC27XD_PFLASH1_U] = { 0xA0200000,                  0x0 },
     [TC27XD_DFLASH0]   = { 0xAF000000,   1 * MiB + 16 * KiB },
     [TC27XD_DFLASH1]   = { 0xAF110000,             64 * KiB },
     [TC27XD_OLDA_U]    = { 0xAFE70000,                  0x0 },
     [TC27XD_BROM_U]    = { 0xAFFF8000,                  0x0 },
     [TC27XD_LMURAM_U]  = { 0xB0000000,                  0x0 },
     [TC27XD_EMEM_U]    = { 0xBF000000,                  0x0 },
     [TC27XD_PSPRX]     = { 0xC0000000,                  0x0 },
     [TC27XD_DSPRX]     = { 0xD0000000,                  0x0 },
 };

 /*
  * Initialize the auxiliary ROM region @mr and map it into
  * the memory map at @base.
  */
 static void make_rom(MemoryRegion *mr, const char *name,
                      hwaddr base, hwaddr size)
 {
     memory_region_init_rom(mr, NULL, name, size, &error_fatal);
     memory_region_add_subregion(get_system_memory(), base, mr);
 }

 /*
  * Initialize the auxiliary RAM region @mr and map it into
  * the memory map at @base.
  */
 static void make_ram(MemoryRegion *mr, const char *name,
                      hwaddr base, hwaddr size)
 {
     memory_region_init_ram(mr, NULL, name, size, &error_fatal);
     memory_region_add_subregion(get_system_memory(), base, mr);
 }

 /*
  * Create an alias of an entire original MemoryRegion @orig
  * located at @base in the memory map.
  */
 static void make_alias(MemoryRegion *mr, const char *name,
                            MemoryRegion *orig, hwaddr base)
 {
     memory_region_init_alias(mr, NULL, name, orig, 0,
                              memory_region_size(orig));
     memory_region_add_subregion(get_system_memory(), base, mr);
 }

 static void tc27x_soc_init_memory_mapping(DeviceState *dev_soc)
 {
     TC27XSoCState *s = TC27X_SOC(dev_soc);
     TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);

     make_ram(&s->cpu0mem.dspr, "CPU0.DSPR",
         sc->memmap[TC27XD_DSPR0].base, sc->memmap[TC27XD_DSPR0].size);
     make_ram(&s->cpu0mem.pspr, "CPU0.PSPR",
         sc->memmap[TC27XD_PSPR0].base, sc->memmap[TC27XD_PSPR0].size);
     make_ram(&s->cpu1mem.dspr, "CPU1.DSPR",
         sc->memmap[TC27XD_DSPR1].base, sc->memmap[TC27XD_DSPR1].size);
     make_ram(&s->cpu1mem.pspr, "CPU1.PSPR",
         sc->memmap[TC27XD_PSPR1].base, sc->memmap[TC27XD_PSPR1].size);
     make_ram(&s->cpu2mem.dspr, "CPU2.DSPR",
         sc->memmap[TC27XD_DSPR2].base, sc->memmap[TC27XD_DSPR2].size);
     make_ram(&s->cpu2mem.pspr, "CPU2.PSPR",
         sc->memmap[TC27XD_PSPR2].base, sc->memmap[TC27XD_PSPR2].size);

     /* TODO: Control Cache mapping with Memory Test Unit (MTU) */
     make_ram(&s->cpu2mem.dcache, "CPU2.DCACHE",
         sc->memmap[TC27XD_DCACHE2].base, sc->memmap[TC27XD_DCACHE2].size);
     make_ram(&s->cpu2mem.dtag,   "CPU2.DTAG",
         sc->memmap[TC27XD_DTAG2].base, sc->memmap[TC27XD_DTAG2].size);
     make_ram(&s->cpu2mem.pcache, "CPU2.PCACHE",
         sc->memmap[TC27XD_PCACHE2].base, sc->memmap[TC27XD_PCACHE2].size);
     make_ram(&s->cpu2mem.ptag,   "CPU2.PTAG",
         sc->memmap[TC27XD_PTAG2].base, sc->memmap[TC27XD_PTAG2].size);

     make_ram(&s->cpu1mem.dcache, "CPU1.DCACHE",
         sc->memmap[TC27XD_DCACHE1].base, sc->memmap[TC27XD_DCACHE1].size);
     make_ram(&s->cpu1mem.dtag,   "CPU1.DTAG",
         sc->memmap[TC27XD_DTAG1].base, sc->memmap[TC27XD_DTAG1].size);
     make_ram(&s->cpu1mem.pcache, "CPU1.PCACHE",
         sc->memmap[TC27XD_PCACHE1].base, sc->memmap[TC27XD_PCACHE1].size);
     make_ram(&s->cpu1mem.ptag,   "CPU1.PTAG",
         sc->memmap[TC27XD_PTAG1].base, sc->memmap[TC27XD_PTAG1].size);

     make_ram(&s->cpu0mem.pcache, "CPU0.PCACHE",
         sc->memmap[TC27XD_PCACHE0].base, sc->memmap[TC27XD_PCACHE0].size);
     make_ram(&s->cpu0mem.ptag,   "CPU0.PTAG",
         sc->memmap[TC27XD_PTAG0].base, sc->memmap[TC27XD_PTAG0].size);

     /*
      * TriCore QEMU executes CPU0 only, thus it is sufficient to map
      * LOCAL.PSPR/LOCAL.DSPR exclusively onto PSPR0/DSPR0.
      */
     make_alias(&s->psprX, "LOCAL.PSPR", &s->cpu0mem.pspr,
         sc->memmap[TC27XD_PSPRX].base);
     make_alias(&s->dsprX, "LOCAL.DSPR", &s->cpu0mem.dspr,
         sc->memmap[TC27XD_DSPRX].base);

     make_ram(&s->flashmem.pflash0_c, "PF0",
         sc->memmap[TC27XD_PFLASH0_C].base, sc->memmap[TC27XD_PFLASH0_C].size);
     make_ram(&s->flashmem.pflash1_c, "PF1",
         sc->memmap[TC27XD_PFLASH1_C].base, sc->memmap[TC27XD_PFLASH1_C].size);
     make_ram(&s->flashmem.dflash0,   "DF0",
         sc->memmap[TC27XD_DFLASH0].base, sc->memmap[TC27XD_DFLASH0].size);
     make_ram(&s->flashmem.dflash1,   "DF1",
         sc->memmap[TC27XD_DFLASH1].base, sc->memmap[TC27XD_DFLASH1].size);
     make_ram(&s->flashmem.olda_c,    "OLDA",
         sc->memmap[TC27XD_OLDA_C].base, sc->memmap[TC27XD_OLDA_C].size);
     make_rom(&s->flashmem.brom_c,    "BROM",
         sc->memmap[TC27XD_BROM_C].base, sc->memmap[TC27XD_BROM_C].size);
     make_ram(&s->flashmem.lmuram_c,  "LMURAM",
         sc->memmap[TC27XD_LMURAM_C].base, sc->memmap[TC27XD_LMURAM_C].size);
     make_ram(&s->flashmem.emem_c,    "EMEM",
         sc->memmap[TC27XD_EMEM_C].base, sc->memmap[TC27XD_EMEM_C].size);

     make_alias(&s->flashmem.pflash0_u, "PF0.U",    &s->flashmem.pflash0_c,
         sc->memmap[TC27XD_PFLASH0_U].base);
     make_alias(&s->flashmem.pflash1_u, "PF1.U",    &s->flashmem.pflash1_c,
         sc->memmap[TC27XD_PFLASH1_U].base);
     make_alias(&s->flashmem.olda_u,    "OLDA.U",   &s->flashmem.olda_c,
         sc->memmap[TC27XD_OLDA_U].base);
     make_alias(&s->flashmem.brom_u,    "BROM.U",   &s->flashmem.brom_c,
         sc->memmap[TC27XD_BROM_U].base);
     make_alias(&s->flashmem.lmuram_u,  "LMURAM.U", &s->flashmem.lmuram_c,
         sc->memmap[TC27XD_LMURAM_U].base);
     make_alias(&s->flashmem.emem_u,    "EMEM.U",   &s->flashmem.emem_c,
         sc->memmap[TC27XD_EMEM_U].base);
 }

 static void tc27x_soc_realize(DeviceState *dev_soc, Error **errp)
 {
     TC27XSoCState *s = TC27X_SOC(dev_soc);
     Error *err = NULL;

     qdev_realize(DEVICE(&s->cpu), NULL, &err);
     if (err) {
         error_propagate(errp, err);
         return;
     }

     tc27x_soc_init_memory_mapping(dev_soc);
 }

 static void tc27x_soc_init(Object *obj)
 {
     TC27XSoCState *s = TC27X_SOC(obj);
     TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);

     object_initialize_child(obj, "tc27x", &s->cpu, sc->cpu_type);
 }

 static Property tc27x_soc_properties[] = {
     DEFINE_PROP_END_OF_LIST(),
 };

 static void tc27x_soc_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);

     dc->realize = tc27x_soc_realize;
     device_class_set_props(dc, tc27x_soc_properties);
 }

 static void tc277d_soc_class_init(ObjectClass *oc, void *data)
 {
     TC27XSoCClass *sc = TC27X_SOC_CLASS(oc);

     sc->name         = "tc277d-soc";
     sc->cpu_type     = TRICORE_CPU_TYPE_NAME("tc27x");
     sc->memmap       = tc27x_soc_memmap;
     sc->num_cpus     = 1;
 }

 static const TypeInfo tc27x_soc_types[] = {
     {
         .name          = "tc277d-soc",
         .parent        = TYPE_TC27X_SOC,
         .class_init    = tc277d_soc_class_init,
     }, {
         .name          = TYPE_TC27X_SOC,
         .parent        = TYPE_SYS_BUS_DEVICE,
         .instance_size = sizeof(TC27XSoCState),
         .instance_init = tc27x_soc_init,
         .class_size    = sizeof(TC27XSoCClass),
         .class_init    = tc27x_soc_class_init,
         .abstract      = true,
     },
 };

 DEFINE_TYPES(tc27x_soc_types)
	/*
	* Infineon tc27x SoC System emulation.
	*
	* Copyright (c) 2020 Andreas Konopik <andreas.konopik@efs-auto.de>
	* Copyright (c) 2020 David Brenken <david.brenken@efs-auto.de>
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	*/

	#include "qemu/osdep.h"
	#include "qapi/error.h"
	#include "hw/sysbus.h"
	#include "hw/loader.h"
	#include "qemu/units.h"
	#include "hw/misc/unimp.h"

	#include "hw/tricore/tc27x_soc.h"
	#include "hw/tricore/triboard.h"

	const MemmapEntry tc27x_soc_memmap[] = {
	[TC27XD_DSPR2] = { 0x50000000, 120 * KiB },
	[TC27XD_DCACHE2] = { 0x5001E000, 8 * KiB },
	[TC27XD_DTAG2] = { 0x500C0000, 0xC00 },
	[TC27XD_PSPR2] = { 0x50100000, 32 * KiB },
	[TC27XD_PCACHE2] = { 0x50108000, 16 * KiB },
	[TC27XD_PTAG2] = { 0x501C0000, 0x1800 },
	[TC27XD_DSPR1] = { 0x60000000, 120 * KiB },
	[TC27XD_DCACHE1] = { 0x6001E000, 8 * KiB },
	[TC27XD_DTAG1] = { 0x600C0000, 0xC00 },
	[TC27XD_PSPR1] = { 0x60100000, 32 * KiB },
	[TC27XD_PCACHE1] = { 0x60108000, 16 * KiB },
	[TC27XD_PTAG1] = { 0x601C0000, 0x1800 },
	[TC27XD_DSPR0] = { 0x70000000, 112 * KiB },
	[TC27XD_PSPR0] = { 0x70100000, 24 * KiB },
	[TC27XD_PCACHE0] = { 0x70106000, 8 * KiB },
	[TC27XD_PTAG0] = { 0x701C0000, 0xC00 },
	[TC27XD_PFLASH0_C] = { 0x80000000, 2 * MiB },
	[TC27XD_PFLASH1_C] = { 0x80200000, 2 * MiB },
	[TC27XD_OLDA_C] = { 0x8FE70000, 32 * KiB },
	[TC27XD_BROM_C] = { 0x8FFF8000, 32 * KiB },
	[TC27XD_LMURAM_C] = { 0x90000000, 32 * KiB },
	[TC27XD_EMEM_C] = { 0x9F000000, 1 * MiB },
	[TC27XD_PFLASH0_U] = { 0xA0000000, 0x0 },
	[TC27XD_PFLASH1_U] = { 0xA0200000, 0x0 },
	[TC27XD_DFLASH0] = { 0xAF000000, 1 * MiB + 16 * KiB },
	[TC27XD_DFLASH1] = { 0xAF110000, 64 * KiB },
	[TC27XD_OLDA_U] = { 0xAFE70000, 0x0 },
	[TC27XD_BROM_U] = { 0xAFFF8000, 0x0 },
	[TC27XD_LMURAM_U] = { 0xB0000000, 0x0 },
	[TC27XD_EMEM_U] = { 0xBF000000, 0x0 },
	[TC27XD_PSPRX] = { 0xC0000000, 0x0 },
	[TC27XD_DSPRX] = { 0xD0000000, 0x0 },
	};

	/*
	* Initialize the auxiliary ROM region @mr and map it into
	* the memory map at @base.
	*/
	static void make_rom(MemoryRegion mr, const char name,
	hwaddr base, hwaddr size)
	{
	memory_region_init_rom(mr, NULL, name, size, &error_fatal);
	memory_region_add_subregion(get_system_memory(), base, mr);
	}

	/*
	* Initialize the auxiliary RAM region @mr and map it into
	* the memory map at @base.
	*/
	static void make_ram(MemoryRegion mr, const char name,
	hwaddr base, hwaddr size)
	{
	memory_region_init_ram(mr, NULL, name, size, &error_fatal);
	memory_region_add_subregion(get_system_memory(), base, mr);
	}

	/*
	* Create an alias of an entire original MemoryRegion @orig
	* located at @base in the memory map.
	*/
	static void make_alias(MemoryRegion mr, const char name,
	MemoryRegion *orig, hwaddr base)
	{
	memory_region_init_alias(mr, NULL, name, orig, 0,
	memory_region_size(orig));
	memory_region_add_subregion(get_system_memory(), base, mr);
	}

	static void tc27x_soc_init_memory_mapping(DeviceState *dev_soc)
	{
	TC27XSoCState *s = TC27X_SOC(dev_soc);
	TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);

	make_ram(&s->cpu0mem.dspr, "CPU0.DSPR",
	sc->memmap[TC27XD_DSPR0].base, sc->memmap[TC27XD_DSPR0].size);
	make_ram(&s->cpu0mem.pspr, "CPU0.PSPR",
	sc->memmap[TC27XD_PSPR0].base, sc->memmap[TC27XD_PSPR0].size);
	make_ram(&s->cpu1mem.dspr, "CPU1.DSPR",
	sc->memmap[TC27XD_DSPR1].base, sc->memmap[TC27XD_DSPR1].size);
	make_ram(&s->cpu1mem.pspr, "CPU1.PSPR",
	sc->memmap[TC27XD_PSPR1].base, sc->memmap[TC27XD_PSPR1].size);
	make_ram(&s->cpu2mem.dspr, "CPU2.DSPR",
	sc->memmap[TC27XD_DSPR2].base, sc->memmap[TC27XD_DSPR2].size);
	make_ram(&s->cpu2mem.pspr, "CPU2.PSPR",
	sc->memmap[TC27XD_PSPR2].base, sc->memmap[TC27XD_PSPR2].size);

	/* TODO: Control Cache mapping with Memory Test Unit (MTU) */
	make_ram(&s->cpu2mem.dcache, "CPU2.DCACHE",
	sc->memmap[TC27XD_DCACHE2].base, sc->memmap[TC27XD_DCACHE2].size);
	make_ram(&s->cpu2mem.dtag, "CPU2.DTAG",
	sc->memmap[TC27XD_DTAG2].base, sc->memmap[TC27XD_DTAG2].size);
	make_ram(&s->cpu2mem.pcache, "CPU2.PCACHE",
	sc->memmap[TC27XD_PCACHE2].base, sc->memmap[TC27XD_PCACHE2].size);
	make_ram(&s->cpu2mem.ptag, "CPU2.PTAG",
	sc->memmap[TC27XD_PTAG2].base, sc->memmap[TC27XD_PTAG2].size);

	make_ram(&s->cpu1mem.dcache, "CPU1.DCACHE",
	sc->memmap[TC27XD_DCACHE1].base, sc->memmap[TC27XD_DCACHE1].size);
	make_ram(&s->cpu1mem.dtag, "CPU1.DTAG",
	sc->memmap[TC27XD_DTAG1].base, sc->memmap[TC27XD_DTAG1].size);
	make_ram(&s->cpu1mem.pcache, "CPU1.PCACHE",
	sc->memmap[TC27XD_PCACHE1].base, sc->memmap[TC27XD_PCACHE1].size);
	make_ram(&s->cpu1mem.ptag, "CPU1.PTAG",
	sc->memmap[TC27XD_PTAG1].base, sc->memmap[TC27XD_PTAG1].size);

	make_ram(&s->cpu0mem.pcache, "CPU0.PCACHE",
	sc->memmap[TC27XD_PCACHE0].base, sc->memmap[TC27XD_PCACHE0].size);
	make_ram(&s->cpu0mem.ptag, "CPU0.PTAG",
	sc->memmap[TC27XD_PTAG0].base, sc->memmap[TC27XD_PTAG0].size);

	/*
	* TriCore QEMU executes CPU0 only, thus it is sufficient to map
	* LOCAL.PSPR/LOCAL.DSPR exclusively onto PSPR0/DSPR0.
	*/
	make_alias(&s->psprX, "LOCAL.PSPR", &s->cpu0mem.pspr,
	sc->memmap[TC27XD_PSPRX].base);
	make_alias(&s->dsprX, "LOCAL.DSPR", &s->cpu0mem.dspr,
	sc->memmap[TC27XD_DSPRX].base);

	make_ram(&s->flashmem.pflash0_c, "PF0",
	sc->memmap[TC27XD_PFLASH0_C].base, sc->memmap[TC27XD_PFLASH0_C].size);
	make_ram(&s->flashmem.pflash1_c, "PF1",
	sc->memmap[TC27XD_PFLASH1_C].base, sc->memmap[TC27XD_PFLASH1_C].size);
	make_ram(&s->flashmem.dflash0, "DF0",
	sc->memmap[TC27XD_DFLASH0].base, sc->memmap[TC27XD_DFLASH0].size);
	make_ram(&s->flashmem.dflash1, "DF1",
	sc->memmap[TC27XD_DFLASH1].base, sc->memmap[TC27XD_DFLASH1].size);
	make_ram(&s->flashmem.olda_c, "OLDA",
	sc->memmap[TC27XD_OLDA_C].base, sc->memmap[TC27XD_OLDA_C].size);
	make_rom(&s->flashmem.brom_c, "BROM",
	sc->memmap[TC27XD_BROM_C].base, sc->memmap[TC27XD_BROM_C].size);
	make_ram(&s->flashmem.lmuram_c, "LMURAM",
	sc->memmap[TC27XD_LMURAM_C].base, sc->memmap[TC27XD_LMURAM_C].size);
	make_ram(&s->flashmem.emem_c, "EMEM",
	sc->memmap[TC27XD_EMEM_C].base, sc->memmap[TC27XD_EMEM_C].size);

	make_alias(&s->flashmem.pflash0_u, "PF0.U", &s->flashmem.pflash0_c,
	sc->memmap[TC27XD_PFLASH0_U].base);
	make_alias(&s->flashmem.pflash1_u, "PF1.U", &s->flashmem.pflash1_c,
	sc->memmap[TC27XD_PFLASH1_U].base);
	make_alias(&s->flashmem.olda_u, "OLDA.U", &s->flashmem.olda_c,
	sc->memmap[TC27XD_OLDA_U].base);
	make_alias(&s->flashmem.brom_u, "BROM.U", &s->flashmem.brom_c,
	sc->memmap[TC27XD_BROM_U].base);
	make_alias(&s->flashmem.lmuram_u, "LMURAM.U", &s->flashmem.lmuram_c,
	sc->memmap[TC27XD_LMURAM_U].base);
	make_alias(&s->flashmem.emem_u, "EMEM.U", &s->flashmem.emem_c,
	sc->memmap[TC27XD_EMEM_U].base);
	}

	static void tc27x_soc_realize(DeviceState dev_soc, Error *errp)
	{
	TC27XSoCState *s = TC27X_SOC(dev_soc);
	Error *err = NULL;

	qdev_realize(DEVICE(&s->cpu), NULL, &err);
	if (err) {
	error_propagate(errp, err);
	return;
	}

	tc27x_soc_init_memory_mapping(dev_soc);
	}

	static void tc27x_soc_init(Object *obj)
	{
	TC27XSoCState *s = TC27X_SOC(obj);
	TC27XSoCClass *sc = TC27X_SOC_GET_CLASS(s);

	object_initialize_child(obj, "tc27x", &s->cpu, sc->cpu_type);
	}

	static Property tc27x_soc_properties[] = {
	DEFINE_PROP_END_OF_LIST(),
	};

	static void tc27x_soc_class_init(ObjectClass klass, void data)
	{
	DeviceClass *dc = DEVICE_CLASS(klass);

	dc->realize = tc27x_soc_realize;
	device_class_set_props(dc, tc27x_soc_properties);
	}

	static void tc277d_soc_class_init(ObjectClass oc, void data)
	{
	TC27XSoCClass *sc = TC27X_SOC_CLASS(oc);

	sc->name = "tc277d-soc";
	sc->cpu_type = TRICORE_CPU_TYPE_NAME("tc27x");
	sc->memmap = tc27x_soc_memmap;
	sc->num_cpus = 1;
	}

	static const TypeInfo tc27x_soc_types[] = {
	{
	.name = "tc277d-soc",
	.parent = TYPE_TC27X_SOC,
	.class_init = tc277d_soc_class_init,
	}, {
	.name = TYPE_TC27X_SOC,
	.parent = TYPE_SYS_BUS_DEVICE,
	.instance_size = sizeof(TC27XSoCState),
	.instance_init = tc27x_soc_init,
	.class_size = sizeof(TC27XSoCClass),
	.class_init = tc27x_soc_class_init,
	.abstract = true,
	},
	};

	DEFINE_TYPES(tc27x_soc_types)