/* * Infineon tc27x SoC System emulation. * * Copyright (c) 2020 Andreas Konopik * Copyright (c) 2020 David Brenken * * 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 . */ #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)