i.mx8m-mini : imx6q-pcie 33800000.pcie: PCIe PLL lock timeout

[rohit_k]

Hello community,

We are using custom board based on i.mx8m-mini.

Yocto version :  Zeus-fsl-5.4.3-mx8mm-v1.1

while booting this error occurs : imx6q-pcie 33800000.pcie: PCIe PLL lock timeout.

Please see log,

U-Boot 2019.04-lf-5.4.y_v2019.04_var01+g74c22e7054 (Oct 04 2020 - 19:00:10 +0000)
CPU:   Freescale i.MX8MMQ rev1.0 1600 MHz (running at 1200 MHz)
CPU:   Industrial temperature grade (-40C to 105C) at 32C
Reset cause: POR
Model: Varicsite DART-MX8MM
DRAM:  2 GiB
MMC:   FSL_SDHC: 1, FSL_SDHC: 2
Loading Environment from MMC... *** Warning - bad CRC, using default environment
In:    serial
Out:   serial
Err:   serial
 BuildInfo:
  - ATF 7b3389d
  - U-Boot 2019.04-lf-5.4.y_v2019.04_var01+g74c22e7054

Part number: VSM-DT8MM-220
Assembly: AS2007153586
Production date: 2020 Sep 22
Serial Number: f8:dc:7a:4d:36:0d
switch to partitions #0, OK
mmc1 is current device
flash target is MMC:1
Net:   eth0: ethernet@30be0000
Fastboot: Normal
Normal Boot
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc1 is current device
5763077 bytes read in 251 ms (21.9 MiB/s)
Uncompressed size: 12328968 = 0xBC2008
Booting from mmc ...
fdt_file=imx8mm-var-dart.dtb
44615 bytes read in 8 ms (5.3 MiB/s)
## Flattened Device Tree blob at 43000000
   Booting using the fdt blob at 0x43000000
   Using Device Tree in place at 0000000043000000, end 000000004300de46
Starting kernel ...
[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[    0.000000] Linux version 5.4.3-imx8mm+g9447bf00ed07 (oe-user@oe-host) (gcc version 9.2.0 (GCC)) #1 SMP PREEMPT Fri Oct 30 09:20:29 UTC 2020
[    0.000000] Machine model: Variscite DART-MX8MM
[    0.000000] earlycon: ec_imx6q0 at MMIO 0x0000000030860000 (options '115200')
[    0.000000] printk: bootconsole [ec_imx6q0] enabled
[    0.000000] Reserved memory: created CMA memory pool at 0x0000000078000000, size 640 MiB
[    0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[    0.000000] NUMA: No NUMA configuration found
[    0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff]
[    0.000000] NUMA: NODE_DATA [mem 0xbfbc7800-0xbfbc8fff]
[    0.000000] Zone ranges:
[    0.000000]   DMA32    [mem 0x0000000040000000-0x00000000bfffffff]
[    0.000000]   Normal   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000040000000-0x00000000bfffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff]
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv1.1 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: MIGRATE_INFO_TYPE not supported.
[    0.000000] psci: SMC Calling Convention v1.1
[    0.000000] percpu: Embedded 21 pages/cpu s48664 r8192 d29160 u86016
[    0.000000] Detected VIPT I-cache on CPU0
[    0.000000] CPU features: detected: ARM erratum 845719
[    0.000000] CPU features: detected: GIC system register CPU interface
[    0.000000] Speculative Store Bypass Disable mitigation not required
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 516096
[    0.000000] Policy zone: DMA32
[    0.000000] Kernel command line: console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200 root=/dev/mmcblk1p1 rootwait rw cma=640M@1376M
[    0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[    0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 1388816K/2097152K available (7934K kernel code, 584K rwdata, 2972K rodata, 512K init, 365K bss, 52976K reserved, 655360K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] rcu: Preemptible hierarchical RCU implementation.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=4.
[    0.000000]  Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[    0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[    0.000000] GICv3: 128 SPIs implemented
[    0.000000] GICv3: 0 Extended SPIs implemented
[    0.000000] GICv3: Distributor has no Range Selector support
[    0.000000] GICv3: 16 PPIs implemented
[    0.000000] GICv3: no VLPI support, no direct LPI support
[    0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000038880000
[    0.000000] ITS: No ITS available, not enabling LPIs
[    0.000000] random: get_random_bytes called from start_kernel+0x2b4/0x434 with crng_init=0
[    0.000000] arch_timer: cp15 timer(s) running at 8.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1d854df40, max_idle_ns: 440795202120 ns
[    0.000003] sched_clock: 56 bits at 8MHz, resolution 125ns, wraps every 2199023255500ns
[    0.008384] Console: colour dummy device 80x25
[    0.012575] Calibrating delay loop (skipped), value calculated using timer frequency.. 16.00 BogoMIPS (lpj=32000)
[    0.022843] pid_max: default: 32768 minimum: 301
[    0.027564] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.034923] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)
[    0.066859] ASID allocator initialised with 32768 entries
[    0.074853] rcu: Hierarchical SRCU implementation.
[    0.094885] smp: Bringing up secondary CPUs ...
[    0.127008] Detected VIPT I-cache on CPU1
[    0.127032] GICv3: CPU1: found redistributor 1 region 0:0x00000000388a0000
[    0.127065] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[    0.159037] Detected VIPT I-cache on CPU2
[    0.159054] GICv3: CPU2: found redistributor 2 region 0:0x00000000388c0000
[    0.159072] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[    0.191084] Detected VIPT I-cache on CPU3
[    0.191098] GICv3: CPU3: found redistributor 3 region 0:0x00000000388e0000
[    0.191115] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[    0.191171] smp: Brought up 1 node, 4 CPUs
[    0.244923] SMP: Total of 4 processors activated.
[    0.249645] CPU features: detected: 32-bit EL0 Support
[    0.254816] CPU features: detected: CRC32 instructions
[    0.264086] CPU: All CPU(s) started at EL2
[    0.265338] alternatives: patching kernel code
[    0.270899] devtmpfs: initialized
[    0.278558] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.285499] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.306874] pinctrl core: initialized pinctrl subsystem
[    0.310031] NET: Registered protocol family 16
[    0.322791] DMA: preallocated 256 KiB pool for atomic allocations
[    0.326448] cpuidle: using governor menu
[    0.330166] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[    0.337008] imx mu driver is registered.
[    0.340762] imx rpmsg driver is registered.
[    0.348932] imx8mm-pinctrl 30330000.pinctrl: initialized IMX pinctrl driver
[    0.364415] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[    0.368295] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
[    0.375026] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    0.381763] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
[    0.392987] iommu: Default domain type: Translated 
[    0.395145] vgaarb: loaded
[    0.398737] mc: Linux media interface: v0.10
[    0.402056] videodev: Linux video capture interface: v2.00
[    0.407594] pps_core: LinuxPPS API ver. 1 registered
[    0.412522] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.421717] PTP clock support registered
[    0.426860] clocksource: Switched to clocksource arch_sys_counter
[    0.436923] thermal_sys: Registered thermal governor 'step_wise'
[    0.436927] thermal_sys: Registered thermal governor 'power_allocator'
[    0.440413] NET: Registered protocol family 2
[    0.451411] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes, linear)
[    0.459648] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    0.467695] TCP bind hash table entries: 16384 (order: 6, 262144 bytes, linear)
[    0.475154] TCP: Hash tables configured (established 16384 bind 16384)
[    0.481567] UDP hash table entries: 1024 (order: 3, 32768 bytes, linear)
[    0.488267] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes, linear)
[    0.495532] NET: Registered protocol family 1
[    0.500123] RPC: Registered named UNIX socket transport module.
[    0.505737] RPC: Registered udp transport module.
[    0.510469] RPC: Registered tcp transport module.
[    0.515177] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.521657] PCI: CLS 0 bytes, default 64
[    0.526129] hw perfevents: enabled with armv8_pmuv3 PMU driver, 7 counters available
[    0.534424] Initialise system trusted keyrings
[    0.537964] workingset: timestamp_bits=44 max_order=19 bucket_order=0
[    0.548326] NFS: Registering the id_resolver key type
[    0.550547] Key type id_resolver registered
[    0.554743] Key type id_legacy registered
[    0.558770] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.565762] Key type asymmetric registered
[    0.569622] Asymmetric key parser 'x509' registered
[    0.574539] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[    0.582057] io scheduler mq-deadline registered
[    0.586504] io scheduler kyber registered
[    0.591834] pwm-backlight backlight: backlight supply power not found, using dummy regulator
[    0.603490] mxs-dma 33000000.dma-controller: initialized
[    0.606468] Bus freq driver module loaded
[    0.612116] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    0.617815] 30860000.serial: ttymxc0 at MMIO 0x30860000 (irq = 31, base_baud = 1500000) is a IMX
[    0.625175] printk: console [ttymxc0] enabled
[    0.625175] printk: console [ttymxc0] enabled
[    0.633821] printk: bootconsole [ec_imx6q0] disabled
[    0.633821] printk: bootconsole [ec_imx6q0] disabled
[    0.644125] 30880000.serial: ttymxc2 at MMIO 0x30880000 (irq = 32, base_baud = 1500000) is a IMX
[    0.655705] 30890000.serial: ttymxc1 at MMIO 0x30890000 (irq = 33, base_baud = 1500000) is a IMX
[    0.664948] 30a60000.serial: ttymxc3 at MMIO 0x30a60000 (irq = 39, base_baud = 5000000) is a IMX
[    0.676396] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.683027] [drm] No driver support for vblank timestamp query.
[    0.689022] imx-drm soc@0:bus@32c00000:display-subsystem: bound imx-lcdif-crtc.0 (ops lcdif_crtc_ops)
[    0.698427] [drm] Initialized imx-drm 1.0.0 20120507 for soc@0:bus@32c00000:display-subsystem on minor 0
[    0.709466] libphy: Fixed MDIO Bus: probed
[    0.713886] input: 30370000.snvs:snvs-powerkey as /devices/platform/soc@0/soc@0:bus@30000000/30370000.snvs/30370000.snvs:snvs-powerkey/input/input0
[    0.727733] i2c /dev entries driver
[    0.731422] mx6s-csi 32e20000.csi1_bridge: initialising
[    0.737104] mxc_mipi-csi 32e30000.mipi_csi: 32e30000.mipi_csi supply mipi-phy not found, using dummy regulator
[    0.747275] mxc_mipi-csi 32e30000.mipi_csi: mipi csi v4l2 device registered
[    0.754247] CSI: Registered sensor subdevice: mxc_mipi-csi.0
[    0.759926] mxc_mipi-csi 32e30000.mipi_csi: lanes: 2, hs_settle: 13, clk_settle: 2, wclk: 1, freq: 333000000
[    0.772931] imx2-wdt 30280000.watchdog: timeout 60 sec (nowayout=0)
[    0.780071] sdhci: Secure Digital Host Controller Interface driver
[    0.786263] sdhci: Copyright(c) Pierre Ossman
[    0.790624] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.796848] mmc0: CQHCI version 5.10
[    0.832238] mmc0: SDHCI controller on 30b40000.mmc [30b40000.mmc] using ADMA
[    0.839717] mmc1: CQHCI version 5.10
[    0.843800] mmc2: CQHCI version 5.10
[    0.879491] mmc2: SDHCI controller on 30b60000.mmc [30b60000.mmc] using ADMA
[    0.888183] ledtrig-cpu: registered to indicate activity on CPUs
[    0.895307] caam 30900000.crypto: device ID = 0x0a16040100000000 (Era 9)
[    0.902075] caam 30900000.crypto: job rings = 3, qi = 0
[    0.933083] caam algorithms registered in /proc/crypto
[    0.941941] caam 30900000.crypto: caam pkc algorithms registered in /proc/crypto
[    0.951765] caam_jr 30901000.jr0: registering rng-caam
[    0.963549] caam-snvs 30370000.caam-snvs: can't get snvs clock
[    0.969462] caam-snvs 30370000.caam-snvs: violation handlers armed - non-secure state
[    0.977757] hidraw: raw HID events driver (C) Jiri Kosina
[    0.985895] NET: Registered protocol family 17
[    0.990519] 8021q: 802.1Q VLAN Support v1.8
[    0.994884] Key type dns_resolver registered
[    1.000860] Loading compiled-in X.509 certificates
[    1.030367] mmc2: Command Queue Engine enabled
[    1.031520] regulator-eth-phy GPIO handle specifies active low - ignored
[    1.034849] mmc2: new HS400 MMC card at address 0001
[    1.041913] gpio-142 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
[    1.047427] mmcblk2: mmc2:0001 S0J56X 14.8 GiB 
[    1.060144] mmcblk2boot0: mmc2:0001 S0J56X partition 1 31.5 MiB
[    1.066203] mmcblk2boot1: mmc2:0001 S0J56X partition 2 31.5 MiB
[    1.072851] mmcblk2rpmb: mmc2:0001 S0J56X partition 3 4.00 MiB, chardev (243:0)
[    1.115251] random: fast init done
[    1.115263] LDO5: Bringing 3300000uV into 1800000-1800000uV
[    1.126859] ldo6: supplied by regulator-dummy
[    1.134549] i2c i2c-0: IMX I2C adapter registered
[    1.139681] gpio-144 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
[    1.480200] edt_ft5x06 1-0038: touchscreen probe failed
[    1.485783] ov5640_mipi 1-003c: 1-003c supply DOVDD not found, using dummy regulator
[    1.493594] ov5640_mipi 1-003c: 1-003c supply DVDD not found, using dummy regulator
[    1.501290] ov5640_mipi 1-003c: 1-003c supply AVDD not found, using dummy regulator
[    1.580178] ov5640_mipi 1-003c: Read reg error: reg=300a
[    1.585499] ov5640_mipi 1-003c: Camera is not found
[    1.591639] i2c i2c-1: IMX I2C adapter registered
[    1.596711] gpio-146 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
[    1.606255] i2c i2c-2: IMX I2C adapter registered
[    1.611291] gpio-148 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
[    1.620708] i2c i2c-3: IMX I2C adapter registered
[    1.626022] pwm-backlight backlight: backlight supply power not found, using dummy regulator
[    1.626468] imx6q-pcie 33800000.pcie: 33800000.pcie supply epdev_on not found, using dummy regulator
[    1.634690] imx-cpufreq-dt imx-cpufreq-dt: cpu speed grade 2 mkt segment 2 supported-hw 0x4 0x4
[    1.643872] imx6q-pcie 33800000.pcie: host bridge /soc@0/pcie@33800000 ranges:
[    1.655253] mmc1: CQHCI version 5.10
[    1.659561] imx6q-pcie 33800000.pcie:    IO 0x1ff80000..0x1ff8ffff -> 0x00000000
[    1.663157] sdhci-esdhc-imx 30b50000.mmc: Got CD GPIO
[    1.670547] imx6q-pcie 33800000.pcie:   MEM 0x18000000..0x1fefffff -> 0x18000000
[    1.683057] imx6q-pcie 33800000.pcie: EXT REF_CLK is used!.
[    1.709049] mmc1: SDHCI controller on 30b50000.mmc [30b50000.mmc] using ADMA
[    1.718224] input: gpio-keys as /devices/platform/gpio-keys/input/input2
[    1.729074] input: bd718xx-pwrkey as /devices/platform/soc@0/soc@0:bus@30800000/30a20000.i2c/i2c-0/0-004b/gpio-keys.0.auto/input/input3
[    1.741666] hctosys: unable to open rtc device (rtc0)
[    1.816124] imx6q-pcie 33800000.pcie: PCIe PLL lock timeout
 

 What will be reason for this error?

Any suggestion for this will be helpful.

Thank you!

Best regards,

Rohit

[divyeshmarne0]

Hi Rohit,

Are you still facing this issue?

If not, Can you provide the fix for it?

[igorpadykov]

Hi Rohit

in general PLL lock timeout can be caused by quality or reference clock

one can consider sect.3.9. PCIE connectivity i.MX 8M Mini Hardware Developer’s Guide

Best regards
igor