diff options
Diffstat (limited to 'hw/tricore/tc27x_soc.c')
| -rw-r--r-- | hw/tricore/tc27x_soc.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/hw/tricore/tc27x_soc.c b/hw/tricore/tc27x_soc.c new file mode 100644 index 0000000000..8af079e6b2 --- /dev/null +++ b/hw/tricore/tc27x_soc.c @@ -0,0 +1,246 @@ +/* + * 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/boards.h" +#include "hw/loader.h" +#include "qemu/units.h" +#include "hw/misc/unimp.h" +#include "exec/address-spaces.h" +#include "qemu/log.h" +#include "cpu.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) |