diff options
Diffstat (limited to 'arch/arc/kernel/setup.c')
| -rw-r--r-- | arch/arc/kernel/setup.c | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index fb83844daeea..7ef7d9a8ff89 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -199,8 +199,10 @@ static void read_arc_build_cfg_regs(void) unsigned int exec_ctrl; READ_BCR(AUX_EXEC_CTRL, exec_ctrl); - cpu->extn.dual_iss_exist = 1; - cpu->extn.dual_iss_enb = exec_ctrl & 1; + cpu->extn.dual_enb = exec_ctrl & 1; + + /* dual issue always present for this core */ + cpu->extn.dual = 1; } } @@ -253,7 +255,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) cpu_id, cpu->name, cpu->details, is_isa_arcompact() ? "ARCompact" : "ARCv2", IS_AVAIL1(cpu->isa.be, "[Big-Endian]"), - IS_AVAIL3(cpu->extn.dual_iss_exist, cpu->extn.dual_iss_enb, " Dual-Issue")); + 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 "), @@ -293,11 +295,26 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) if (cpu->bpu.ver) n += scnprintf(buf + n, len - n, - "BPU\t\t: %s%s match, cache:%d, Predict Table:%d\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; } @@ -326,6 +343,24 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) 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 ? |