static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) { int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; FIX_PTR(cpu); n += scnprintf(buf + n, len - n, "Vector Table\t: %#x\nUncached Base\t: %#x\n", cpu->vec_base, ARC_UNCACHED_ADDR_SPACE); if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) n += scnprintf(buf + n, len - n, "FPU\t\t: %s%s\n", IS_AVAIL1(cpu->extn.fpu_sp, "SP "), IS_AVAIL1(cpu->extn.fpu_dp, "DP ")); if (cpu->extn.debug) n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s%s\n", IS_AVAIL1(cpu->extn.ap, "ActionPoint "), IS_AVAIL1(cpu->extn.smart, "smaRT "), IS_AVAIL1(cpu->extn.rtt, "RTT ")); if (cpu->dccm.sz || cpu->iccm.sz) n += scnprintf(buf + n, len - n, "Extn [CCM]\t: DCCM @ %x, %d KB / ICCM: @ %x, %d KB\n", cpu->dccm.base_addr, TO_KB(cpu->dccm.sz), cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); n += scnprintf(buf + n, len - n, "OS ABI [v3]\t: no-legacy-syscalls\n"); return buf; }
static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) { int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; FIX_PTR(cpu); n += scnprintf(buf + n, len - n, "Vector Table\t: %#x\n", cpu->vec_base); if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) n += scnprintf(buf + n, len - n, "FPU\t\t: %s%s\n", IS_AVAIL1(cpu->extn.fpu_sp, "SP "), IS_AVAIL1(cpu->extn.fpu_dp, "DP ")); if (cpu->extn.debug) n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s%s\n", IS_AVAIL1(cpu->extn.ap, "ActionPoint "), IS_AVAIL1(cpu->extn.smart, "smaRT "), IS_AVAIL1(cpu->extn.rtt, "RTT ")); if (cpu->dccm.sz || cpu->iccm.sz) n += scnprintf(buf + n, len - n, "Extn [CCM]\t: DCCM @ %x, %d KB / ICCM: @ %x, %d KB\n", cpu->dccm.base_addr, TO_KB(cpu->dccm.sz), cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); n += scnprintf(buf + n, len - n, "OS ABI [v%d]\t: %s\n", EF_ARC_OSABI_CURRENT >> 8, EF_ARC_OSABI_CURRENT == EF_ARC_OSABI_V3 ? "no-legacy-syscalls" : "64-bit data any register aligned"); return buf; }
static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) { int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; FIX_PTR(cpu); n += scnprintf(buf + n, len - n, "Vector Table\t: %#x\n", cpu->vec_base); if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) n += scnprintf(buf + n, len - n, "FPU\t\t: %s%s\n", IS_AVAIL1(cpu->extn.fpu_sp, "SP "), IS_AVAIL1(cpu->extn.fpu_dp, "DP ")); if (cpu->extn.ap_num | cpu->extn.smart | cpu->extn.rtt) { n += scnprintf(buf + n, len - n, "DEBUG\t\t: %s%s", IS_AVAIL1(cpu->extn.smart, "smaRT "), IS_AVAIL1(cpu->extn.rtt, "RTT ")); if (cpu->extn.ap_num) { n += scnprintf(buf + n, len - n, "ActionPoint %d/%s", cpu->extn.ap_num, cpu->extn.ap_full ? "full":"min"); } n += scnprintf(buf + n, len - n, "\n"); } if (cpu->dccm.sz || cpu->iccm.sz) n += scnprintf(buf + n, len - n, "Extn [CCM]\t: DCCM @ %x, %d KB / ICCM: @ %x, %d KB\n", cpu->dccm.base_addr, TO_KB(cpu->dccm.sz), cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); if (is_isa_arcv2()) { /* Error Protection: ECC/Parity */ struct bcr_erp erp; READ_BCR(ARC_REG_ERP_BUILD, erp); if (erp.ver) { struct ctl_erp ctl; READ_BCR(ARC_REG_ERP_CTRL, ctl); /* inverted bits: 0 means enabled */ n += scnprintf(buf + n, len - n, "Extn [ECC]\t: %s%s%s%s%s%s\n", IS_AVAIL3(erp.ic, !ctl.dpi, "IC "), IS_AVAIL3(erp.dc, !ctl.dpd, "DC "), IS_AVAIL3(erp.mmu, !ctl.mpd, "MMU ")); } } n += scnprintf(buf + n, len - n, "OS ABI [v%d]\t: %s\n", EF_ARC_OSABI_CURRENT >> 8, EF_ARC_OSABI_CURRENT == EF_ARC_OSABI_V3 ? "no-legacy-syscalls" : "64-bit data any register aligned"); return buf; }
void iss_model_init_early_smp(void) { #define IS_AVAIL1(var, str) ((var) ? str : "") struct bcr_mp mp; READ_BCR(ARC_REG_MP_BCR, mp); sprintf(smp_cpuinfo_buf, "Extn [ISS-SMP]: v%d, arch(%d) %s %s %s\n", mp.ver, mp.mp_arch, IS_AVAIL1(mp.scu, "SCU"), IS_AVAIL1(mp.idu, "IDU"), IS_AVAIL1(mp.sdu, "SDU")); plat_smp_ops.info = smp_cpuinfo_buf; plat_smp_ops.cpu_kick = iss_model_smp_wakeup_cpu; plat_smp_ops.ipi_send = iss_model_ipi_send; plat_smp_ops.ipi_clear = iss_model_ipi_clear; }
static void mcip_probe_n_setup(void) { struct mcip_bcr mp; READ_BCR(ARC_REG_MCIP_BCR, mp); sprintf(smp_cpuinfo_buf, "Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s\n", mp.ver, mp.num_cores, IS_AVAIL1(mp.ipi, "IPI "), IS_AVAIL1(mp.idu, "IDU "), IS_AVAIL1(mp.dbg, "DEBUG "), IS_AVAIL1(mp.gfrc, "GFRC")); cpuinfo_arc700[0].extn.gfrc = mp.gfrc; if (mp.dbg) { __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, 0xf); __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf); } }
void mcip_init_early_smp(void) { #define IS_AVAIL1(var, str) ((var) ? str : "") struct mcip_bcr { #ifdef CONFIG_CPU_BIG_ENDIAN unsigned int pad3:8, idu:1, llm:1, num_cores:6, iocoh:1, grtc:1, dbg:1, pad2:1, msg:1, sem:1, ipi:1, pad:1, ver:8; #else unsigned int ver:8, pad:1, ipi:1, sem:1, msg:1, pad2:1, dbg:1, grtc:1, iocoh:1, num_cores:6, llm:1, idu:1, pad3:8; #endif } mp; READ_BCR(ARC_REG_MCIP_BCR, mp); sprintf(smp_cpuinfo_buf, "Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s\n", mp.ver, mp.num_cores, IS_AVAIL1(mp.ipi, "IPI "), IS_AVAIL1(mp.idu, "IDU "), IS_AVAIL1(mp.dbg, "DEBUG "), IS_AVAIL1(mp.grtc, "GRTC")); idu_detected = mp.idu; if (mp.dbg) { __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, 0xf); __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf); } if (IS_ENABLED(CONFIG_ARC_HAS_GRTC) && !mp.grtc) panic("kernel trying to use non-existent GRTC\n"); }
char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) { int n = 0; struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; FIX_PTR(cpu); #define IS_AVAIL1(var, str) ((var) ? str : "") #define IS_AVAIL2(var, str) ((var == 0x2) ? str : "") #define IS_USED(cfg) (IS_ENABLED(cfg) ? "(in-use)" : "(not used)") n += scnprintf(buf + n, len - n, "Extn [700-Base]\t: %s %s %s %s %s %s\n", IS_AVAIL2(cpu->extn.norm, "norm,"), IS_AVAIL2(cpu->extn.barrel, "barrel-shift,"), IS_AVAIL1(cpu->extn.swap, "swap,"), IS_AVAIL2(cpu->extn.minmax, "minmax,"), IS_AVAIL1(cpu->extn.crc, "crc,"), IS_AVAIL2(cpu->extn.ext_arith, "ext-arith")); n += scnprintf(buf + n, len - n, "Extn [700-MPY]\t: %s", mul_type_nm[cpu->extn.mul].str); n += scnprintf(buf + n, len - n, " MAC MPY: %s\n", mac_mul_nm[cpu->extn_mac_mul.type].str); if (cpu->core.family == 0x34) { n += scnprintf(buf + n, len - n, "Extn [700-4.10]\t: LLOCK/SCOND %s, SWAPE %s, RTSC %s\n", IS_USED(CONFIG_ARC_HAS_LLSC), IS_USED(CONFIG_ARC_HAS_SWAPE), IS_USED(CONFIG_ARC_HAS_RTSC)); } n += scnprintf(buf + n, len - n, "Extn [CCM]\t: %s", !(cpu->dccm.sz || cpu->iccm.sz) ? "N/A" : ""); if (cpu->dccm.sz) n += scnprintf(buf + n, len - n, "DCCM: @ %x, %d KB ", cpu->dccm.base_addr, TO_KB(cpu->dccm.sz)); if (cpu->iccm.sz) n += scnprintf(buf + n, len - n, "ICCM: @ %x, %d KB", cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); n += scnprintf(buf + n, len - n, "\nExtn [FPU]\t: %s", !(cpu->fp.ver || cpu->dpfp.ver) ? "N/A" : ""); if (cpu->fp.ver) n += scnprintf(buf + n, len - n, "SP [v%d] %s", cpu->fp.ver, cpu->fp.fast ? "(fast)" : ""); if (cpu->dpfp.ver) n += scnprintf(buf + n, len - n, "DP [v%d] %s", cpu->dpfp.ver, cpu->dpfp.fast ? "(fast)" : ""); n += scnprintf(buf + n, len - n, "\n"); n += scnprintf(buf + n, len - n, "OS ABI [v3]\t: no-legacy-syscalls\n"); return buf; }
static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; struct bcr_identity *core = &cpu->core; int i, n = 0; FIX_PTR(cpu); n += scnprintf(buf + n, len - n, "\nIDENTITY\t: ARCVER [%#02x] ARCNUM [%#02x] CHIPID [%#4x]\n", core->family, core->cpu_id, core->chip_id); n += scnprintf(buf + n, len - n, "processor [%d]\t: %s %s (%s ISA) %s\n", cpu_id, cpu->name, cpu->details, is_isa_arcompact() ? "ARCompact" : "ARCv2", IS_AVAIL1(cpu->isa.be, "[Big-Endian]")); n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ", IS_AVAIL1(cpu->extn.timer0, "Timer0 "), IS_AVAIL1(cpu->extn.timer1, "Timer1 "), IS_AVAIL2(cpu->extn.rtc, "Local-64-bit-Ctr ", CONFIG_ARC_HAS_RTC)); n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s", IS_AVAIL2(cpu->isa.atomic, "atomic ", CONFIG_ARC_HAS_LLSC), IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64), IS_AVAIL1(cpu->isa.unalign, "unalign (not used)")); if (i) n += scnprintf(buf + n, len - n, "\n\t\t: "); if (cpu->extn_mpy.ver) { if (cpu->extn_mpy.ver <= 0x2) { /* ARCompact */ n += scnprintf(buf + n, len - n, "mpy "); } else { int opt = 2; /* stock MPY/MPYH */ if (cpu->extn_mpy.dsp) /* OPT 7-9 */ opt = cpu->extn_mpy.dsp + 6; n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", IS_AVAIL1(cpu->isa.div_rem, "div_rem "), IS_AVAIL1(cpu->extn.norm, "norm "), IS_AVAIL1(cpu->extn.barrel, "barrel-shift "), IS_AVAIL1(cpu->extn.swap, "swap "), IS_AVAIL1(cpu->extn.minmax, "minmax "), IS_AVAIL1(cpu->extn.crc, "crc "), IS_AVAIL2(cpu->extn.swape, "swape", CONFIG_ARC_HAS_SWAPE)); if (cpu->bpu.ver) n += scnprintf(buf + n, len - n, "BPU\t\t: %s%s match, cache:%d, Predict Table:%d\n", IS_AVAIL1(cpu->bpu.full, "full"), IS_AVAIL1(!cpu->bpu.full, "partial"), cpu->bpu.num_cache, cpu->bpu.num_pred); return buf; }
static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; struct bcr_identity *core = &cpu->core; const struct cpuinfo_data *tbl; char *isa_nm; int i, be, atomic; int n = 0; FIX_PTR(cpu); if (is_isa_arcompact()) { isa_nm = "ARCompact"; be = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN); atomic = cpu->isa.atomic1; if (!cpu->isa.ver) /* ISA BCR absent, use Kconfig info */ atomic = IS_ENABLED(CONFIG_ARC_HAS_LLSC); } else { isa_nm = "ARCv2"; be = cpu->isa.be; atomic = cpu->isa.atomic; } n += scnprintf(buf + n, len - n, "\nIDENTITY\t: ARCVER [%#02x] ARCNUM [%#02x] CHIPID [%#4x]\n", core->family, core->cpu_id, core->chip_id); for (tbl = &arc_cpu_tbl[0]; tbl->info.id != 0; tbl++) { if ((core->family >= tbl->info.id) && (core->family <= tbl->up_range)) { n += scnprintf(buf + n, len - n, "processor [%d]\t: %s (%s ISA) %s\n", cpu_id, tbl->info.str, isa_nm, IS_AVAIL1(be, "[Big-Endian]")); break; } } if (tbl->info.id == 0) n += scnprintf(buf + n, len - n, "UNKNOWN ARC Processor\n"); n += scnprintf(buf + n, len - n, "CPU speed\t: %u.%02u Mhz\n", (unsigned int)(arc_get_core_freq() / 1000000), (unsigned int)(arc_get_core_freq() / 10000) % 100); n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ", IS_AVAIL1(cpu->extn.timer0, "Timer0 "), IS_AVAIL1(cpu->extn.timer1, "Timer1 "), IS_AVAIL2(cpu->extn.rtc, "Local-64-bit-Ctr ", CONFIG_ARC_HAS_RTC)); n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s", IS_AVAIL2(atomic, "atomic ", CONFIG_ARC_HAS_LLSC), IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64), IS_AVAIL1(cpu->isa.unalign, "unalign (not used)")); if (i) n += scnprintf(buf + n, len - n, "\n\t\t: "); if (cpu->extn_mpy.ver) { if (cpu->extn_mpy.ver <= 0x2) { /* ARCompact */ n += scnprintf(buf + n, len - n, "mpy "); } else { int opt = 2; /* stock MPY/MPYH */ if (cpu->extn_mpy.dsp) /* OPT 7-9 */ opt = cpu->extn_mpy.dsp + 6; n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", IS_AVAIL1(cpu->isa.div_rem, "div_rem "), IS_AVAIL1(cpu->extn.norm, "norm "), IS_AVAIL1(cpu->extn.barrel, "barrel-shift "), IS_AVAIL1(cpu->extn.swap, "swap "), IS_AVAIL1(cpu->extn.minmax, "minmax "), IS_AVAIL1(cpu->extn.crc, "crc "), IS_AVAIL2(1, "swape", CONFIG_ARC_HAS_SWAPE)); if (cpu->bpu.ver) n += scnprintf(buf + n, len - n, "BPU\t\t: %s%s match, cache:%d, Predict Table:%d\n", IS_AVAIL1(cpu->bpu.full, "full"), IS_AVAIL1(!cpu->bpu.full, "partial"), cpu->bpu.num_cache, cpu->bpu.num_pred); return buf; }
static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[cpu_id]; struct bcr_identity *core = &cpu->core; int i, n = 0, ua = 0; FIX_PTR(cpu); n += scnprintf(buf + n, len - n, "\nIDENTITY\t: ARCVER [%#02x] ARCNUM [%#02x] CHIPID [%#4x]\n", core->family, core->cpu_id, core->chip_id); n += scnprintf(buf + n, len - n, "processor [%d]\t: %s %s (%s ISA) %s%s%s\n", cpu_id, cpu->name, cpu->details, is_isa_arcompact() ? "ARCompact" : "ARCv2", IS_AVAIL1(cpu->isa.be, "[Big-Endian]"), IS_AVAIL3(cpu->extn.dual, cpu->extn.dual_enb, " Dual-Issue ")); n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s%s%s\nISA Extn\t: ", IS_AVAIL1(cpu->extn.timer0, "Timer0 "), IS_AVAIL1(cpu->extn.timer1, "Timer1 "), IS_AVAIL2(cpu->extn.rtc, "RTC [UP 64-bit] ", CONFIG_ARC_TIMERS_64BIT), IS_AVAIL2(cpu->extn.gfrc, "GFRC [SMP 64-bit] ", CONFIG_ARC_TIMERS_64BIT)); #ifdef __ARC_UNALIGNED__ ua = 1; #endif n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s%s", IS_AVAIL2(cpu->isa.atomic, "atomic ", CONFIG_ARC_HAS_LLSC), IS_AVAIL2(cpu->isa.ldd, "ll64 ", CONFIG_ARC_HAS_LL64), IS_AVAIL1(cpu->isa.unalign, "unalign "), IS_USED_RUN(ua)); if (i) n += scnprintf(buf + n, len - n, "\n\t\t: "); if (cpu->extn_mpy.ver) { if (cpu->extn_mpy.ver <= 0x2) { /* ARCompact */ n += scnprintf(buf + n, len - n, "mpy "); } else { int opt = 2; /* stock MPY/MPYH */ if (cpu->extn_mpy.dsp) /* OPT 7-9 */ opt = cpu->extn_mpy.dsp + 6; n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", IS_AVAIL1(cpu->isa.div_rem, "div_rem "), IS_AVAIL1(cpu->extn.norm, "norm "), IS_AVAIL1(cpu->extn.barrel, "barrel-shift "), IS_AVAIL1(cpu->extn.swap, "swap "), IS_AVAIL1(cpu->extn.minmax, "minmax "), IS_AVAIL1(cpu->extn.crc, "crc "), IS_AVAIL2(cpu->extn.swape, "swape", CONFIG_ARC_HAS_SWAPE)); if (cpu->bpu.ver) n += scnprintf(buf + n, len - n, "BPU\t\t: %s%s match, cache:%d, Predict Table:%d", IS_AVAIL1(cpu->bpu.full, "full"), IS_AVAIL1(!cpu->bpu.full, "partial"), cpu->bpu.num_cache, cpu->bpu.num_pred); if (is_isa_arcv2()) { struct bcr_lpb lpb; READ_BCR(ARC_REG_LPB_BUILD, lpb); if (lpb.ver) { unsigned int ctl; ctl = read_aux_reg(ARC_REG_LPB_CTRL); n += scnprintf(buf + n, len - n, " Loop Buffer:%d %s", lpb.entries, IS_DISABLED_RUN(!ctl)); } } n += scnprintf(buf + n, len - n, "\n"); return buf; }