diff options
| author | Vineet Gupta | 2016-01-22 15:20:18 +0530 |
|---|---|---|
| committer | Vineet Gupta | 2016-01-29 16:51:03 +0530 |
| commit | b89bd1f4fbaecaa842588a034f8a44f4a84597e4 (patch) | |
| tree | 292aa39d38593408da734c3126ce598ba9df1940 | |
| parent | d584f0fb041d86b9605fae1f0ed9e268f217daa9 (diff) | |
ARC: shrink cpuinfo by not saving full timer BCR
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 3 | ||||
| -rw-r--r-- | arch/arc/kernel/setup.c | 19 |
2 files changed, 13 insertions, 9 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 7fac7d85ed6a..fdc5be5b1029 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -349,14 +349,13 @@ struct cpuinfo_arc { struct cpuinfo_arc_bpu bpu; struct bcr_identity core; struct bcr_isa isa; - struct bcr_timer timers; unsigned int vec_base; struct cpuinfo_arc_ccm iccm, dccm; struct { unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3, fpu_sp:1, fpu_dp:1, pad2:6, debug:1, ap:1, smart:1, rtt:1, pad3:4, - pad4:8; + timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4; } extn; struct bcr_mpy extn_mpy; struct bcr_extn_xymem extn_xymem; diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index e1b87444ea9a..7f0a3cb300a8 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -45,6 +45,7 @@ struct cpuinfo_arc cpuinfo_arc700[NR_CPUS]; static void read_arc_build_cfg_regs(void) { struct bcr_perip uncached_space; + struct bcr_timer timer; struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; unsigned long perip_space; @@ -53,7 +54,11 @@ static void read_arc_build_cfg_regs(void) READ_BCR(AUX_IDENTITY, cpu->core); READ_BCR(ARC_REG_ISA_CFG_BCR, cpu->isa); - READ_BCR(ARC_REG_TIMERS_BCR, cpu->timers); + READ_BCR(ARC_REG_TIMERS_BCR, timer); + cpu->extn.timer0 = timer.t0; + cpu->extn.timer1 = timer.t1; + cpu->extn.rtc = timer.rtc; + cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); @@ -208,9 +213,9 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) (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->timers.t0, "Timer0 "), - IS_AVAIL1(cpu->timers.t1, "Timer1 "), - IS_AVAIL2(cpu->timers.rtc, "64-bit RTC ", + 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", @@ -293,13 +298,13 @@ static void arc_chk_core_config(void) struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; int fpu_enabled; - if (!cpu->timers.t0) + if (!cpu->extn.timer0) panic("Timer0 is not present!\n"); - if (!cpu->timers.t1) + if (!cpu->extn.timer1) panic("Timer1 is not present!\n"); - if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->timers.rtc) + if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->extn.rtc) panic("RTC is not present\n"); #ifdef CONFIG_ARC_HAS_DCCM |