Re: [linux-sunxi] /cpus/cpu@1 missing clock-frequency property
On Thu, Jun 26, 2014 at 06:50:05PM -0700, 左宝柱 wrote: > > > 在 2014年6月26日星期四UTC+8下午3时27分07秒,Hans de Goede写道: > > > > Hi, > > > > On 06/26/2014 07:40 AM, zuob...@gmail.com wrote: > > > I booting linux-3.15 on pcDuino V3(A20 onboard). > > > 1,second CPU failed,I used > > https://github.com/jwrdegoede/u-boot-sunxi,then fixed it. > > > 2,missing clock-frequency property > > > > Those messages can be safely ignored. > > > does not affect the performance of the system in the end? No, it only affects big.LITTLE systems, which is not the case with the A20. See commit 339ca09d7adac80eda8d097ab473c6c23ee86b17 Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com signature.asc Description: Digital signature
Re: [linux-sunxi] /cpus/cpu@1 missing clock-frequency property
在 2014年6月26日星期四UTC+8下午3时27分07秒,Hans de Goede写道: > > Hi, > > On 06/26/2014 07:40 AM, zuob...@gmail.com wrote: > > I booting linux-3.15 on pcDuino V3(A20 onboard). > > 1,second CPU failed,I used > https://github.com/jwrdegoede/u-boot-sunxi,then fixed it. > > 2,missing clock-frequency property > > Those messages can be safely ignored. > does not affect the performance of the system in the end? > > Regards, > > Hans > > > The following is a useful log > > [0.00] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, > Nodes=1 > > [0.00] Hierarchical RCU implementation. > > [0.00] RCU restricting CPUs from NR_CPUS=4 to > nr_cpu_ids=2. > > [0.00] RCU: Adjusting geometry for rcu_fanout_leaf=16, > nr_cpu_ids=2 > > [0.00] NR_IRQS:16 nr_irqs:16 16 > > [0.00] Architected cp15 timer(s) running at 24.00MHz (phys). > > [0.07] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps > every 2863311519744ns > > [0.14] Switching to timer-based delay loop > > [0.000281] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps > every 178956969942ns > > [0.000402] sched_clock: 32 bits at 160MHz, resolution 6ns, wraps > every 26843545593ns > > [0.000553] Console: colour dummy device 80x30 > > [0.000581] Calibrating delay loop (skipped), value calculated using > timer frequency.. 48.00 BogoMIPS (lpj=24) > > [0.000593] pid_max: default: 32768 minimum: 301 > > [0.000701] Mount-cache hash table entries: 2048 (order: 1, 8192 > bytes) > > [0.000712] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 > bytes) > > [0.001230] CPU: Testing write buffer coherency: ok > > [0.001486] /cpus/cpu@0 missing clock-frequency property > > [0.001503] /cpus/cpu@1 missing clock-frequency property > > [0.001514] CPU0: thread -1, cpu 0, socket 0, mpidr 8000 > > [0.001541] Setting up static identity map for 0x404755e0 - > 0x40475638 > > [0.002624] CPU1: Booted secondary processor > > [0.002665] CPU1: thread -1, cpu 1, socket 0, mpidr 8001 > > [0.002769] Brought up 2 CPUs > > [0.002789] SMP: Total of 2 processors activated. > > [0.002795] CPU: All CPU(s) started in HYP mode. > > [0.002800] CPU: Virtualization extensions available. > > [0.003351] devtmpfs: initialized > > [0.006961] VFP support v0.3: implementor 41 architecture 2 part 30 > variant 7 rev 4 > > [0.007171] pinctrl core: initialized pinctrl subsystem > > [0.007357] regulator-dummy: no parameters > > [0.011695] NET: Registered protocol family 16 > > [0.011962] DMA: preallocated 256 KiB pool for atomic coherent > allocations > > [0.020704] vcc3v0: 3000 mV > > [0.020865] vcc3v3: 3300 mV > > > > also I can see /proc/cpuinfo > > # cat /proc/cpuinfo > > processor: 0 > > model name: ARMv7 Processor rev 4 (v7l) > > Features: swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 > idiva idivt vfpd32 lpae evtstrm > > CPU implementer: 0x41 > > CPU architecture: 7 > > CPU variant: 0x0 > > CPU part: 0xc07 > > CPU revision: 4 > > > > processor: 1 > > model name: ARMv7 Processor rev 4 (v7l) > > Features: swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 > idiva idivt vfpd32 lpae evtstrm > > CPU implementer: 0x41 > > CPU architecture: 7 > > CPU variant: 0x0 > > CPU part: 0xc07 > > CPU revision: 4 > > > > Hardware: Allwinner sun7i (A20) Family > > Revision: > > Serial: > > > > is there some way to fixed it? > > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Re: [linux-sunxi] /cpus/cpu@1 missing clock-frequency property
Hi, On 06/26/2014 07:40 AM, zuobao...@gmail.com wrote: I booting linux-3.15 on pcDuino V3(A20 onboard). 1,second CPU failed,I used https://github.com/jwrdegoede/u-boot-sunxi,then fixed it. 2,missing clock-frequency property Those messages can be safely ignored. Regards, Hans The following is a useful log [0.00] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [0.00] Hierarchical RCU implementation. [0.00] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2. [0.00] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [0.00] NR_IRQS:16 nr_irqs:16 16 [0.00] Architected cp15 timer(s) running at 24.00MHz (phys). [0.07] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 2863311519744ns [0.14] Switching to timer-based delay loop [0.000281] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956969942ns [0.000402] sched_clock: 32 bits at 160MHz, resolution 6ns, wraps every 26843545593ns [0.000553] Console: colour dummy device 80x30 [0.000581] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=24) [0.000593] pid_max: default: 32768 minimum: 301 [0.000701] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [0.000712] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [0.001230] CPU: Testing write buffer coherency: ok [0.001486] /cpus/cpu@0 missing clock-frequency property [0.001503] /cpus/cpu@1 missing clock-frequency property [0.001514] CPU0: thread -1, cpu 0, socket 0, mpidr 8000 [0.001541] Setting up static identity map for 0x404755e0 - 0x40475638 [0.002624] CPU1: Booted secondary processor [0.002665] CPU1: thread -1, cpu 1, socket 0, mpidr 8001 [0.002769] Brought up 2 CPUs [0.002789] SMP: Total of 2 processors activated. [0.002795] CPU: All CPU(s) started in HYP mode. [0.002800] CPU: Virtualization extensions available. [0.003351] devtmpfs: initialized [0.006961] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 4 [0.007171] pinctrl core: initialized pinctrl subsystem [0.007357] regulator-dummy: no parameters [0.011695] NET: Registered protocol family 16 [0.011962] DMA: preallocated 256 KiB pool for atomic coherent allocations [0.020704] vcc3v0: 3000 mV [0.020865] vcc3v3: 3300 mV also I can see /proc/cpuinfo # cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 4 (v7l) Features: swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x0 CPU part: 0xc07 CPU revision: 4 processor : 1 model name : ARMv7 Processor rev 4 (v7l) Features: swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x0 CPU part: 0xc07 CPU revision: 4 Hardware: Allwinner sun7i (A20) Family Revision: Serial : is there some way to fixed it? -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.