| Message ID | 20190417204355.469-6-jbrunet@baylibre.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [1/7] mmc: meson-gx: remove open coded read with timeout | expand |
Hi Jerome, On Wed, Apr 17, 2019 at 10:44 PM Jerome Brunet <jbrunet@baylibre.com> wrote: > > Activating DDR in the Amlogic mmc controller, among other things, will > divide the output clock by 2. So by activating it with clock on, we are > creating a glitch on the output. > > Instead, let's deal with DDR when the clock output is off, when setting > the clock. > > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> it seems that this patch breaks SD card on my Khadas VIM and Khadas VIM2. I used git bisect within this series to find that issue. applying your .dts patches on top doesn't fix it two boot logs attached: * kvim-broken.txt has patches 1-5 (= including this patch) applied * kvim-working.txt has only patches 1-4 (= excluding this patch) applied Regards Martin [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 5.1.0-rc5+ (xdarklight@blackbox) (gcc version 8.3.0 (GCC)) #504 SMP PREEMPT Thu Apr 18 22:09:17 CEST 2019 [ 0.000000] Machine model: Khadas VIM [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created CMA memory pool at 0x0000000068000000, size 256 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv0.2 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: Trusted OS migration not required [ 0.000000] random: get_random_bytes called from start_kernel+0x9c/0x444 with crng_init=0 [ 0.000000] percpu: Embedded 23 pages/cpu @(____ptrval____) s55576 r8192 d30440 u94208 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 478528 [ 0.000000] Kernel command line: console=ttyAML0,115200 root=/dev/mmcblk0p2 rootwait=1 rootdelay=2 init=/usr/bin/init [ 0.000000] printk: log_buf_len individual max cpu contribution: 4096 bytes [ 0.000000] printk: log_buf_len total cpu_extra contributions: 12288 bytes [ 0.000000] printk: log_buf_len min size: 16384 bytes [ 0.000000] printk: log_buf_len: 32768 bytes [ 0.000000] printk: early log buf free: 14580(88%) [ 0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.000000] Memory: 1621808K/1944576K available (12284K kernel code, 876K rwdata, 4272K rodata, 640K init, 320K bss, 60624K reserved, 262144K 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=64 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] GIC: Using split EOI/Deactivate mode [ 0.000000] irq_meson_gpio: 110 to 8 gpio interrupt mux initialized [ 0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns [ 0.000004] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns [ 0.000358] Console: colour dummy device 80x25 [ 0.000390] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=96000) [ 0.000399] pid_max: default: 32768 minimum: 301 [ 0.000467] LSM: Security Framework initializing [ 0.000533] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000546] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000890] *** VALIDATE proc *** [ 0.000998] *** VALIDATE cgroup1 *** [ 0.001006] *** VALIDATE cgroup2 *** [ 0.024007] ASID allocator initialised with 32768 entries [ 0.031995] rcu: Hierarchical SRCU implementation. [ 0.040350] EFI services will not be available. [ 0.052037] smp: Bringing up secondary CPUs ... [ 0.084246] Detected VIPT I-cache on CPU1 [ 0.084296] CPU1: Booted secondary processor 0x0000000001 [0x410fd034] [ 0.116279] Detected VIPT I-cache on CPU2 [ 0.116319] CPU2: Booted secondary processor 0x0000000002 [0x410fd034] [ 0.148329] Detected VIPT I-cache on CPU3 [ 0.148367] CPU3: Booted secondary processor 0x0000000003 [0x410fd034] [ 0.148437] smp: Brought up 1 node, 4 CPUs [ 0.148455] SMP: Total of 4 processors activated. [ 0.148460] CPU features: detected: 32-bit EL0 Support [ 0.148466] CPU features: detected: CRC32 instructions [ 0.148766] CPU: All CPU(s) started at EL2 [ 0.148781] alternatives: patching kernel code [ 0.149523] devtmpfs: initialized [ 0.153643] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.153661] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.160521] xor: measuring software checksum speed [ 0.200286] 8regs : 2375.000 MB/sec [ 0.240315] 32regs : 2725.000 MB/sec [ 0.280346] arm64_neon: 2374.000 MB/sec [ 0.280351] xor: using function: 32regs (2725.000 MB/sec) [ 0.280410] pinctrl core: initialized pinctrl subsystem [ 0.281197] DMI not present or invalid. [ 0.281468] NET: Registered protocol family 16 [ 0.281838] audit: initializing netlink subsys (disabled) [ 0.281955] audit: type=2000 audit(0.280:1): state=initialized audit_enabled=0 res=1 [ 0.282679] cpuidle: using governor menu [ 0.282918] vdso: 2 pages (1 code @ (____ptrval____), 1 data @ (____ptrval____)) [ 0.282929] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.283961] DMA: preallocated 256 KiB pool for atomic allocations [ 0.284093] Serial: AMBA PL011 UART driver [ 0.303250] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.303261] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.303267] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.303272] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.303660] cryptd: max_cpu_qlen set to 1000 [ 0.368591] raid6: neonx8 gen() 1595 MB/s [ 0.436616] raid6: neonx8 xor() 1488 MB/s [ 0.504732] raid6: neonx4 gen() 1560 MB/s [ 0.572773] raid6: neonx4 xor() 1435 MB/s [ 0.640797] raid6: neonx2 gen() 1173 MB/s [ 0.708859] raid6: neonx2 xor() 1149 MB/s [ 0.776909] raid6: neonx1 gen() 760 MB/s [ 0.844983] raid6: neonx1 xor() 774 MB/s [ 0.913039] raid6: int64x8 gen() 1194 MB/s [ 0.981094] raid6: int64x8 xor() 765 MB/s [ 1.049203] raid6: int64x4 gen() 1011 MB/s [ 1.117215] raid6: int64x4 xor() 727 MB/s [ 1.185291] raid6: int64x2 gen() 710 MB/s [ 1.253364] raid6: int64x2 xor() 555 MB/s [ 1.321440] raid6: int64x1 gen() 465 MB/s [ 1.389479] raid6: int64x1 xor() 381 MB/s [ 1.389484] raid6: using algorithm neonx8 gen() 1595 MB/s [ 1.389488] raid6: .... xor() 1488 MB/s, rmw enabled [ 1.389492] raid6: using neon recovery algorithm [ 1.389702] ACPI: Interpreter disabled. [ 1.391154] vgaarb: loaded [ 1.391417] SCSI subsystem initialized [ 1.391890] usbcore: registered new interface driver usbfs [ 1.391933] usbcore: registered new interface driver hub [ 1.392009] usbcore: registered new device driver usb [ 1.392569] media: Linux media interface: v0.10 [ 1.392604] videodev: Linux video capture interface: v2.00 [ 1.392800] pps_core: LinuxPPS API ver. 1 registered [ 1.392808] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 1.392828] PTP clock support registered [ 1.393212] Advanced Linux Sound Architecture Driver Initialized. [ 1.393646] Bluetooth: Core ver 2.22 [ 1.393715] NET: Registered protocol family 31 [ 1.393720] Bluetooth: HCI device and connection manager initialized [ 1.393734] Bluetooth: HCI socket layer initialized [ 1.393740] Bluetooth: L2CAP socket layer initialized [ 1.393755] Bluetooth: SCO socket layer initialized [ 1.394236] clocksource: Switched to clocksource arch_sys_counter [ 1.394374] VFS: Disk quotas dquot_6.6.0 [ 1.394425] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.394462] *** VALIDATE hugetlbfs *** [ 1.394616] pnp: PnP ACPI: disabled [ 1.400190] NET: Registered protocol family 2 [ 1.400590] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes) [ 1.400619] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [ 1.400726] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 1.400923] TCP: Hash tables configured (established 16384 bind 16384) [ 1.401030] UDP hash table entries: 1024 (order: 3, 32768 bytes) [ 1.401073] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) [ 1.401222] NET: Registered protocol family 1 [ 1.401581] RPC: Registered named UNIX socket transport module. [ 1.401589] RPC: Registered udp transport module. [ 1.401593] RPC: Registered tcp transport module. [ 1.401597] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.402950] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 1.403272] kvm [1]: IPA Size Limit: 40bits [ 1.403753] kvm [1]: vgic interrupt IRQ1 [ 1.403836] kvm [1]: Hyp mode initialized successfully [ 1.412564] Initialise system trusted keyrings [ 1.412689] workingset: timestamp_bits=46 max_order=19 bucket_order=0 [ 1.419046] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 1.419717] NFS: Registering the id_resolver key type [ 1.419743] Key type id_resolver registered [ 1.419747] Key type id_legacy registered [ 1.419916] fuse init (API version 7.29) [ 1.420296] 9p: Installing v9fs 9p2000 file system support [ 1.427233] Key type asymmetric registered [ 1.427245] Asymmetric key parser 'x509' registered [ 1.427263] io scheduler mq-deadline registered [ 1.427269] io scheduler kyber registered [ 1.427496] io scheduler bfq registered [ 1.446522] soc soc0: Amlogic Meson GXL (S905X) Revision 21:a (82:2) Detected [ 1.450206] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 1.452547] c11084c0.serial: ttyAML1 at MMIO 0xc11084c0 (irq = 10, base_baud = 1500000) is a meson_uart [ 1.452701] serial serial0: tty port ttyAML1 registered [ 1.452995] c81004c0.serial: ttyAML0 at MMIO 0xc81004c0 (irq = 15, base_baud = 1500000) is a meson_uart [ 2.323225] printk: console [ttyAML0] enabled [ 2.328110] c81004e0.serial: ttyAML2 at MMIO 0xc81004e0 (irq = 16, base_baud = 1500000) is a meson_uart [ 2.345041] loop: module loaded [ 2.347396] libphy: Fixed MDIO Bus: probed [ 2.348286] tun: Universal TUN/TAP device driver, 1.6 [ 2.352124] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 2.357411] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 2.363327] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.6.0-k [ 2.370168] igb: Copyright (c) 2007-2014 Intel Corporation. [ 2.375747] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k [ 2.383447] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 2.389354] sky2: driver version 1.30 [ 2.393672] meson8b-dwmac c9410000.ethernet: PTP uses main clock [ 2.398905] meson8b-dwmac c9410000.ethernet: no reset control found [ 2.405534] meson8b-dwmac c9410000.ethernet: User ID: 0x11, Synopsys ID: 0x37 [ 2.412178] meson8b-dwmac c9410000.ethernet: DWMAC1000 [ 2.417341] meson8b-dwmac c9410000.ethernet: DMA HW capability register supported [ 2.424758] meson8b-dwmac c9410000.ethernet: RX Checksum Offload Engine supported [ 2.432175] meson8b-dwmac c9410000.ethernet: COE Type 2 [ 2.437349] meson8b-dwmac c9410000.ethernet: TX Checksum insertion supported [ 2.444336] meson8b-dwmac c9410000.ethernet: Wake-Up On Lan supported [ 2.450746] meson8b-dwmac c9410000.ethernet: Normal descriptors [ 2.456584] meson8b-dwmac c9410000.ethernet: Ring mode enabled [ 2.462363] meson8b-dwmac c9410000.ethernet: Enable RX Mitigation via HW Watchdog Timer [ 2.470426] libphy: stmmac: probed [ 2.475086] VFIO - User Level meta-driver version: 0.3 [ 2.480049] dwc3 c9000000.dwc3: Failed to get clk 'ref': -2 [ 2.486094] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.490757] ehci-pci: EHCI PCI platform driver [ 2.495203] ehci-platform: EHCI generic platform driver [ 2.500549] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.506459] ohci-pci: OHCI PCI platform driver [ 2.510900] ohci-platform: OHCI generic platform driver [ 2.516804] usbcore: registered new interface driver usb-storage [ 2.523550] mousedev: PS/2 mouse device common for all mice [ 2.528242] input: gpio-keys-polled as /devices/platform/gpio-keys-polled/input/input0 [ 2.536246] i2c /dev entries driver [ 2.540702] IR NEC protocol handler initialized [ 2.543281] IR RC5(x/sz) protocol handler initialized [ 2.548267] IR RC6 protocol handler initialized [ 2.552752] IR JVC protocol handler initialized [ 2.557236] IR Sony protocol handler initialized [ 2.561807] IR SANYO protocol handler initialized [ 2.566465] IR Sharp protocol handler initialized [ 2.571122] IR MCE Keyboard/mouse protocol handler initialized [ 2.576901] IR XMP protocol handler initialized [ 2.581725] Registered IR keymap rc-geekbox [ 2.585625] rc rc0: meson-ir as /devices/platform/soc/c8100000.bus/c8100580.ir/rc/rc0 [ 2.593408] input: meson-ir as /devices/platform/soc/c8100000.bus/c8100580.ir/rc/rc0/input1 [ 2.601806] rc rc0: lirc_dev: driver meson-ir registered at minor = 0, raw IR receiver, no transmitter [ 2.610926] meson-ir c8100580.ir: receiver initialized [ 2.617203] Registered IR keymap rc-cec [ 2.619844] rc rc1: meson_ao_cec as /devices/platform/soc/c8100000.bus/c8100100.cec/rc/rc1 [ 2.628051] input: meson_ao_cec as /devices/platform/soc/c8100000.bus/c8100100.cec/rc/rc1/input2 [ 2.637127] usbcore: registered new interface driver dvb_usb_rtl28xxu [ 2.644793] Bluetooth: HCI UART driver ver 2.3 [ 2.647390] Bluetooth: HCI UART protocol H4 registered [ 2.652468] Bluetooth: HCI UART protocol BCSP registered [ 2.657763] Bluetooth: HCI UART protocol LL registered [ 2.662811] Bluetooth: HCI UART protocol ATH3K registered [ 2.668188] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 2.674512] Bluetooth: HCI UART protocol Intel registered [ 2.679864] Bluetooth: HCI UART protocol Broadcom registered [ 2.680045] hci_uart_bcm serial0-0: serial0-0 supply vbat not found, using dummy regulator [ 2.685377] Bluetooth: HCI UART protocol QCA registered [ 2.693593] hci_uart_bcm serial0-0: serial0-0 supply vddio not found, using dummy regulator [ 2.698687] Bluetooth: HCI UART protocol AG6XX registered [ 2.698762] usbcore: registered new interface driver bcm203x [ 2.717924] Bluetooth: Generic Bluetooth SDIO driver ver 0.1 [ 2.724323] sdhci: Secure Digital Host Controller Interface driver [ 2.729679] sdhci: Copyright(c) Pierre Ossman [ 2.734016] Synopsys Designware Multimedia Card Interface Driver [ 2.741525] meson-gx-mmc d0072000.mmc: Got CD GPIO [ 2.771477] meson-gx-mmc d0074000.mmc: allocated mmc-pwrseq [ 2.798513] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.799658] ledtrig-cpu: registered to indicate activity on CPUs [ 2.805232] meson-sm: secure-monitor enabled [ 2.809656] usbcore: registered new interface driver usbhid [ 2.814272] usbhid: USB HID core driver [ 2.818416] platform-mhu c883c404.mailbox: Platform MHU Mailbox registered [BL31]: tee size: 0 [ 2.829037] gnss: GNSS driver registered with major 240 [ 2.834326] NET: Registered protocol family 17 [ 2.836507] Bluetooth: RFCOMM TTY layer initialized [ 2.841112] Bluetooth: RFCOMM socket layer initialized [ 2.846253] Bluetooth: RFCOMM ver 1.11 [ 2.849865] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 2.855136] Bluetooth: BNEP filters: protocol multicast [ 2.860377] Bluetooth: BNEP socket layer initialized [ 2.865217] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 2.871079] Bluetooth: HIDP socket layer initialized [ 2.876536] 9pnet: Installing 9P2000 support [ 2.880374] Key type dns_resolver registered [ 2.885363] registered taskstats version 1 [ 2.888599] Loading compiled-in X.509 certificates [ 2.894354] Btrfs loaded, crc32c=crc32c-generic [ 2.909268] meson-drm d0100000.vpu: Queued 2 outputs on vpu [ 2.909665] meson-drm d0100000.vpu: Falling back to parsing the 'hhi' registers [ 2.909752] mmc1: switch to bus width 8 failed [ 2.916726] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.927421] [drm] No driver support for vblank timestamp query. [ 2.932506] mmc1: switch to bus width 4 failed [ 2.933394] meson-drm d0100000.vpu: CVBS Output connector not available [ 2.937757] mmc1: mmc_select_hs200 failed, error -84 [ 2.949151] mmc1: error -84 whilst initialising MMC card [ 2.970365] meson-dw-hdmi c883a000.hdmi-tx: Detected HDMI TX controller v2.01a with HDCP (meson_dw_hdmi_phy) [ 2.975069] meson-dw-hdmi c883a000.hdmi-tx: registered DesignWare HDMI I2C bus driver [ 2.983078] Registered IR keymap rc-cec [ 2.986189] rc rc2: dw_hdmi as /devices/platform/soc/c883a000.hdmi-tx/rc/rc2 [ 2.993313] input: dw_hdmi as /devices/platform/soc/c883a000.hdmi-tx/rc/rc2/input3 [ 3.001054] meson-drm d0100000.vpu: bound c883a000.hdmi-tx (ops meson_dw_hdmi_ops) [ 3.008443] [drm] Initialized meson 1.0.0 20161109 for d0100000.vpu on minor 0 [ 3.015364] [drm] Cannot find any crtc or sizes [ 3.020332] libphy: mdio_mux: probed [ 3.023354] [drm] Cannot find any crtc or sizes [ 3.028053] libphy: mdio_mux: probed [ 3.031796] phy phy-d0078080.phy.2: unsupported PHY mode 5 [ 3.038831] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.042157] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1 [ 3.050742] xhci-hcd xhci-hcd.0.auto: hcc params 0x0228f664 hci version 0x100 quirks 0x0000000002010010 [ 3.059178] xhci-hcd xhci-hcd.0.auto: irq 38, io mem 0xc9000000 [ 3.065825] hub 1-0:1.0: USB hub found [ 3.068744] hub 1-0:1.0: 2 ports detected [ 3.072919] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.078126] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2 [ 3.085667] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed [ 3.092250] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 3.100723] hub 2-0:1.0: USB hub found [ 3.104124] mmc0: new high speed SDHC card at address 1234 [ 3.109604] hub 2-0:1.0: config failed, hub doesn't have any ports! (err -19) [ 3.117068] mmcblk0: mmc0:1234 SA32G 28.9 GiB [ 3.122175] input: adc-keys as /devices/platform/adc-keys/input/input4 [ 3.128691] meson-gx-mmc d0070000.mmc: allocated mmc-pwrseq [ 3.160142] scpi_protocol scpi: SCP Protocol legacy pre-1.0 firmware domain-0 init dvfs: 4 [ 3.169177] cpu cpu0: failed to add opp 100000000Hz 910mV [ 3.169336] cpu cpu0: failed to add opps to the device [ 3.172105] print_req_error: I/O error, dev mmcblk0, sector 0 flags 0 [ 3.174274] cpu cpu1: failed to add opp 100000000Hz 910mV [ 3.180529] Buffer I/O error on dev mmcblk0, logical block 0, async page read [ 3.185895] cpu cpu1: failed to add opps to the device [ 3.198196] cpu cpu2: failed to add opp 100000000Hz 910mV [ 3.201761] print_req_error: I/O error, dev mmcblk0, sector 0 flags 0 [ 3.203411] cpu cpu2: failed to add opps to the device [ 3.209752] Buffer I/O error on dev mmcblk0, logical block 0, async page read [ 3.214919] cpu cpu3: failed to add opp 100000000Hz 910mV [ 3.227294] mmcblk0: unable to read partition table [ 3.232761] cpu cpu3: failed to add opps to the device [ 3.239142] hctosys: unable to open rtc device (rtc0) [ 3.242432] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 3.251750] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 3.256578] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 3.264973] cfg80211: failed to load regulatory.db [ 3.265295] VCC_3V3: disabling [ 3.272759] ALSA device list: [ 3.275678] No soundcards found. [ 3.284692] Waiting 2 sec before mounting root device... [ 3.285790] mmc2: queuing unknown CIS tuple 0x80 (2 bytes) [ 3.291864] mmc2: queuing unknown CIS tuple 0x80 (3 bytes) [ 3.297303] mmc2: queuing unknown CIS tuple 0x80 (3 bytes) [ 3.304384] mmc2: queuing unknown CIS tuple 0x80 (7 bytes) [ 3.316407] random: fast init done [ 3.381083] mmc2: new high speed SDIO card at address 0001 [ 3.382026] brcmfmac: brcmf_chip_recognition: chip backplane type 15 is not supported [ 3.388704] brcmfmac: brcmf_sdio_probe_attach: brcmf_chip_attach failed! [ 3.395339] brcmfmac: brcmf_sdio_probe: brcmf_sdio_probe_attach failed [ 3.401879] brcmfmac: brcmf_ops_sdio_probe: F2 error, probe failed -19... [ 3.470256] usb 1-1: new high-speed USB device number 2 using xhci-hcd [ 3.555122] random: crng init done [ 3.668466] hub 1-1:1.0: USB hub found [ 3.668532] hub 1-1:1.0: 4 ports detected [ 4.862276] Bluetooth: hci0: command 0x1001 tx timeout [ 5.310447] VFS: Cannot open root device "mmcblk0p2" or unknown-block(179,2): error -6 [ 5.312704] Please append a correct "root=" boot option; here are the available partitions: [ 5.321015] b300 30318592 mmcblk0 [ 5.321018] driver: mmcblk [ 5.327718] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,2) [ 5.336080] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.1.0-rc5+ #504 [ 5.342459] Hardware name: Khadas VIM (DT) [ 5.346513] Call trace: [ 5.348939] dump_backtrace+0x0/0x130 [ 5.352553] show_stack+0x14/0x20 [ 5.355833] dump_stack+0xac/0xd4 [ 5.359110] panic+0x148/0x2d0 [ 5.362128] mount_block_root+0x1bc/0x26c [ 5.366092] mount_root+0x11c/0x148 [ 5.369543] prepare_namespace+0x128/0x16c [ 5.373597] kernel_init_freeable+0x1b8/0x1d4 [ 5.377910] kernel_init+0x10/0xfc [ 5.381274] ret_from_fork+0x10/0x1c [ 5.384813] SMP: stopping secondary CPUs [ 5.388694] Kernel Offset: disabled [ 5.392141] CPU features: 0x002,20002004 [ 5.396020] Memory Limit: none [ 5.399045] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,2) ]--- [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 5.1.0-rc5+ (xdarklight@blackbox) (gcc version 8.3.0 (GCC)) #507 SMP PREEMPT Thu Apr 18 22:11:29 CEST 2019 [ 0.000000] Machine model: Khadas VIM [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created CMA memory pool at 0x0000000068000000, size 256 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv0.2 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: Trusted OS migration not required [ 0.000000] random: get_random_bytes called from start_kernel+0x9c/0x444 with crng_init=0 [ 0.000000] percpu: Embedded 23 pages/cpu @(____ptrval____) s55576 r8192 d30440 u94208 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 478528 [ 0.000000] Kernel command line: console=ttyAML0,115200 root=/dev/mmcblk0p2 rootwait=1 rootdelay=2 init=/usr/bin/init rw [ 0.000000] printk: log_buf_len individual max cpu contribution: 4096 bytes [ 0.000000] printk: log_buf_len total cpu_extra contributions: 12288 bytes [ 0.000000] printk: log_buf_len min size: 16384 bytes [ 0.000000] printk: log_buf_len: 32768 bytes [ 0.000000] printk: early log buf free: 14580(88%) [ 0.000000] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.000000] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.000000] Memory: 1621808K/1944576K available (12284K kernel code, 876K rwdata, 4272K rodata, 640K init, 320K bss, 60624K reserved, 262144K 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=64 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] GIC: Using split EOI/Deactivate mode [ 0.000000] irq_meson_gpio: 110 to 8 gpio interrupt mux initialized [ 0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns [ 0.000003] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns [ 0.000357] Console: colour dummy device 80x25 [ 0.000388] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=96000) [ 0.000396] pid_max: default: 32768 minimum: 301 [ 0.000465] LSM: Security Framework initializing [ 0.000529] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000542] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000880] *** VALIDATE proc *** [ 0.000989] *** VALIDATE cgroup1 *** [ 0.000996] *** VALIDATE cgroup2 *** [ 0.024003] ASID allocator initialised with 32768 entries [ 0.031992] rcu: Hierarchical SRCU implementation. [ 0.040350] EFI services will not be available. [ 0.052036] smp: Bringing up secondary CPUs ... [ 0.084245] Detected VIPT I-cache on CPU1 [ 0.084293] CPU1: Booted secondary processor 0x0000000001 [0x410fd034] [ 0.116276] Detected VIPT I-cache on CPU2 [ 0.116317] CPU2: Booted secondary processor 0x0000000002 [0x410fd034] [ 0.148324] Detected VIPT I-cache on CPU3 [ 0.148364] CPU3: Booted secondary processor 0x0000000003 [0x410fd034] [ 0.148432] smp: Brought up 1 node, 4 CPUs [ 0.148449] SMP: Total of 4 processors activated. [ 0.148455] CPU features: detected: 32-bit EL0 Support [ 0.148461] CPU features: detected: CRC32 instructions [ 0.148763] CPU: All CPU(s) started at EL2 [ 0.148778] alternatives: patching kernel code [ 0.149518] devtmpfs: initialized [ 0.153673] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.153691] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.160549] xor: measuring software checksum speed [ 0.200279] 8regs : 2375.000 MB/sec [ 0.240307] 32regs : 2725.000 MB/sec [ 0.280338] arm64_neon: 2374.000 MB/sec [ 0.280342] xor: using function: 32regs (2725.000 MB/sec) [ 0.280401] pinctrl core: initialized pinctrl subsystem [ 0.281326] DMI not present or invalid. [ 0.281599] NET: Registered protocol family 16 [ 0.281989] audit: initializing netlink subsys (disabled) [ 0.282130] audit: type=2000 audit(0.280:1): state=initialized audit_enabled=0 res=1 [ 0.282995] cpuidle: using governor menu [ 0.283243] vdso: 2 pages (1 code @ (____ptrval____), 1 data @ (____ptrval____)) [ 0.283252] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.284267] DMA: preallocated 256 KiB pool for atomic allocations [ 0.284428] Serial: AMBA PL011 UART driver [ 0.303157] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.303169] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.303174] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.303179] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.303536] cryptd: max_cpu_qlen set to 1000 [ 0.368579] raid6: neonx8 gen() 1600 MB/s [ 0.436675] raid6: neonx8 xor() 1474 MB/s [ 0.504732] raid6: neonx4 gen() 1559 MB/s [ 0.572737] raid6: neonx4 xor() 1445 MB/s [ 0.640837] raid6: neonx2 gen() 1175 MB/s [ 0.708865] raid6: neonx2 xor() 1148 MB/s [ 0.776926] raid6: neonx1 gen() 760 MB/s [ 0.844969] raid6: neonx1 xor() 771 MB/s [ 0.913013] raid6: int64x8 gen() 1194 MB/s [ 0.981050] raid6: int64x8 xor() 765 MB/s [ 1.049137] raid6: int64x4 gen() 1011 MB/s [ 1.117164] raid6: int64x4 xor() 727 MB/s [ 1.185260] raid6: int64x2 gen() 711 MB/s [ 1.253253] raid6: int64x2 xor() 554 MB/s [ 1.321331] raid6: int64x1 gen() 465 MB/s [ 1.389340] raid6: int64x1 xor() 381 MB/s [ 1.389345] raid6: using algorithm neonx8 gen() 1600 MB/s [ 1.389349] raid6: .... xor() 1474 MB/s, rmw enabled [ 1.389354] raid6: using neon recovery algorithm [ 1.389578] ACPI: Interpreter disabled. [ 1.390980] vgaarb: loaded [ 1.391231] SCSI subsystem initialized [ 1.391696] usbcore: registered new interface driver usbfs [ 1.391742] usbcore: registered new interface driver hub [ 1.391823] usbcore: registered new device driver usb [ 1.392316] media: Linux media interface: v0.10 [ 1.392349] videodev: Linux video capture interface: v2.00 [ 1.392502] pps_core: LinuxPPS API ver. 1 registered [ 1.392510] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 1.392530] PTP clock support registered [ 1.392840] Advanced Linux Sound Architecture Driver Initialized. [ 1.393213] Bluetooth: Core ver 2.22 [ 1.393273] NET: Registered protocol family 31 [ 1.393278] Bluetooth: HCI device and connection manager initialized [ 1.393292] Bluetooth: HCI socket layer initialized [ 1.393298] Bluetooth: L2CAP socket layer initialized [ 1.393311] Bluetooth: SCO socket layer initialized [ 1.393824] clocksource: Switched to clocksource arch_sys_counter [ 1.393962] VFS: Disk quotas dquot_6.6.0 [ 1.394011] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.394047] *** VALIDATE hugetlbfs *** [ 1.394197] pnp: PnP ACPI: disabled [ 1.399936] NET: Registered protocol family 2 [ 1.400322] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes) [ 1.400350] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [ 1.400458] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 1.400656] TCP: Hash tables configured (established 16384 bind 16384) [ 1.400764] UDP hash table entries: 1024 (order: 3, 32768 bytes) [ 1.400807] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) [ 1.400951] NET: Registered protocol family 1 [ 1.401296] RPC: Registered named UNIX socket transport module. [ 1.401302] RPC: Registered udp transport module. [ 1.401307] RPC: Registered tcp transport module. [ 1.401310] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.402436] hw perfevents: enabled with armv8_cortex_a53 PMU driver, 7 counters available [ 1.402758] kvm [1]: IPA Size Limit: 40bits [ 1.403224] kvm [1]: vgic interrupt IRQ1 [ 1.403310] kvm [1]: Hyp mode initialized successfully [ 1.411956] Initialise system trusted keyrings [ 1.412097] workingset: timestamp_bits=46 max_order=19 bucket_order=0 [ 1.418104] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 1.418716] NFS: Registering the id_resolver key type [ 1.418741] Key type id_resolver registered [ 1.418745] Key type id_legacy registered [ 1.418922] fuse init (API version 7.29) [ 1.419305] 9p: Installing v9fs 9p2000 file system support [ 1.425769] Key type asymmetric registered [ 1.425781] Asymmetric key parser 'x509' registered [ 1.425799] io scheduler mq-deadline registered [ 1.425804] io scheduler kyber registered [ 1.426205] io scheduler bfq registered [ 1.444199] soc soc0: Amlogic Meson GXL (S905X) Revision 21:a (82:2) Detected [ 1.447783] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 1.450027] c11084c0.serial: ttyAML1 at MMIO 0xc11084c0 (irq = 10, base_baud = 1500000) is a meson_uart [ 1.450202] serial serial0: tty port ttyAML1 registered [ 1.450495] c81004c0.serial: ttyAML0 at MMIO 0xc81004c0 (irq = 15, base_baud = 1500000) is a meson_uart [ 2.320981] printk: console [ttyAML0] enabled [ 2.325864] c81004e0.serial: ttyAML2 at MMIO 0xc81004e0 (irq = 16, base_baud = 1500000) is a meson_uart [ 2.342744] loop: module loaded [ 2.344917] libphy: Fixed MDIO Bus: probed [ 2.345684] tun: Universal TUN/TAP device driver, 1.6 [ 2.349876] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 2.355104] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 2.361012] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.6.0-k [ 2.367869] igb: Copyright (c) 2007-2014 Intel Corporation. [ 2.373425] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k [ 2.381149] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 2.387050] sky2: driver version 1.30 [ 2.391379] meson8b-dwmac c9410000.ethernet: PTP uses main clock [ 2.396604] meson8b-dwmac c9410000.ethernet: no reset control found [ 2.403236] meson8b-dwmac c9410000.ethernet: User ID: 0x11, Synopsys ID: 0x37 [ 2.409886] meson8b-dwmac c9410000.ethernet: DWMAC1000 [ 2.415053] meson8b-dwmac c9410000.ethernet: DMA HW capability register supported [ 2.422462] meson8b-dwmac c9410000.ethernet: RX Checksum Offload Engine supported [ 2.429879] meson8b-dwmac c9410000.ethernet: COE Type 2 [ 2.435053] meson8b-dwmac c9410000.ethernet: TX Checksum insertion supported [ 2.442040] meson8b-dwmac c9410000.ethernet: Wake-Up On Lan supported [ 2.448451] meson8b-dwmac c9410000.ethernet: Normal descriptors [ 2.454289] meson8b-dwmac c9410000.ethernet: Ring mode enabled [ 2.460067] meson8b-dwmac c9410000.ethernet: Enable RX Mitigation via HW Watchdog Timer [ 2.468129] libphy: stmmac: probed [ 2.472676] VFIO - User Level meta-driver version: 0.3 [ 2.477731] dwc3 c9000000.dwc3: Failed to get clk 'ref': -2 [ 2.483802] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.488464] ehci-pci: EHCI PCI platform driver [ 2.492906] ehci-platform: EHCI generic platform driver [ 2.498263] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.504163] ohci-pci: OHCI PCI platform driver [ 2.508608] ohci-platform: OHCI generic platform driver [ 2.514512] usbcore: registered new interface driver usb-storage [ 2.521222] mousedev: PS/2 mouse device common for all mice [ 2.525971] input: gpio-keys-polled as /devices/platform/gpio-keys-polled/input/input0 [ 2.533951] i2c /dev entries driver [ 2.538072] IR NEC protocol handler initialized [ 2.540965] IR RC5(x/sz) protocol handler initialized [ 2.545982] IR RC6 protocol handler initialized [ 2.550455] IR JVC protocol handler initialized [ 2.554940] IR Sony protocol handler initialized [ 2.559511] IR SANYO protocol handler initialized [ 2.564168] IR Sharp protocol handler initialized [ 2.568826] IR MCE Keyboard/mouse protocol handler initialized [ 2.574605] IR XMP protocol handler initialized [ 2.579421] Registered IR keymap rc-geekbox [ 2.583323] rc rc0: meson-ir as /devices/platform/soc/c8100000.bus/c8100580.ir/rc/rc0 [ 2.591107] input: meson-ir as /devices/platform/soc/c8100000.bus/c8100580.ir/rc/rc0/input1 [ 2.599506] rc rc0: lirc_dev: driver meson-ir registered at minor = 0, raw IR receiver, no transmitter [ 2.608621] meson-ir c8100580.ir: receiver initialized [ 2.614973] Registered IR keymap rc-cec [ 2.617514] rc rc1: meson_ao_cec as /devices/platform/soc/c8100000.bus/c8100100.cec/rc/rc1 [ 2.625880] input: meson_ao_cec as /devices/platform/soc/c8100000.bus/c8100100.cec/rc/rc1/input2 [ 2.634892] usbcore: registered new interface driver dvb_usb_rtl28xxu [ 2.642439] Bluetooth: HCI UART driver ver 2.3 [ 2.645070] Bluetooth: HCI UART protocol H4 registered [ 2.650176] Bluetooth: HCI UART protocol BCSP registered [ 2.655494] Bluetooth: HCI UART protocol LL registered [ 2.660516] Bluetooth: HCI UART protocol ATH3K registered [ 2.665884] Bluetooth: HCI UART protocol Three-wire (H5) registered [ 2.672204] Bluetooth: HCI UART protocol Intel registered [ 2.677562] Bluetooth: HCI UART protocol Broadcom registered [ 2.677745] hci_uart_bcm serial0-0: serial0-0 supply vbat not found, using dummy regulator [ 2.683086] Bluetooth: HCI UART protocol QCA registered [ 2.691327] hci_uart_bcm serial0-0: serial0-0 supply vddio not found, using dummy regulator [ 2.696391] Bluetooth: HCI UART protocol AG6XX registered [ 2.696466] usbcore: registered new interface driver bcm203x [ 2.715627] Bluetooth: Generic Bluetooth SDIO driver ver 0.1 [ 2.722060] sdhci: Secure Digital Host Controller Interface driver [ 2.727369] sdhci: Copyright(c) Pierre Ossman [ 2.731707] Synopsys Designware Multimedia Card Interface Driver [ 2.739200] meson-gx-mmc d0072000.mmc: Got CD GPIO [ 2.769627] meson-gx-mmc d0074000.mmc: allocated mmc-pwrseq [ 2.794677] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.795807] ledtrig-cpu: registered to indicate activity on CPUs [ 2.802003] meson-sm: secure-monitor enabled [ 2.806268] usbcore: registered new interface driver usbhid [ 2.810601] usbhid: USB HID core driver [ 2.814798] platform-mhu c883c404.mailbox: Platform MHU Mailbox registered [BL31]: tee size: 0 [ 2.825356] gnss: GNSS driver registered with major 240 [ 2.828398] mmc0: new high speed SDHC card at address 1234 [ 2.831490] NET: Registered protocol family 17 [ 2.834753] mmcblk0: mmc0:1234 SA32G 28.9 GiB [ 2.838138] Bluetooth: RFCOMM TTY layer initialized [ 2.847268] Bluetooth: RFCOMM socket layer initialized [ 2.852174] Bluetooth: RFCOMM ver 1.11 [ 2.853068] mmcblk0: p1 p2 [ 2.855863] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 2.863876] Bluetooth: BNEP filters: protocol multicast [ 2.869060] Bluetooth: BNEP socket layer initialized [ 2.873965] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 2.879829] Bluetooth: HIDP socket layer initialized [ 2.885075] 9pnet: Installing 9P2000 support [ 2.889033] Key type dns_resolver registered [ 2.893892] registered taskstats version 1 [ 2.897246] Loading compiled-in X.509 certificates [ 2.902933] Btrfs loaded, crc32c=crc32c-generic [ 2.917756] meson-drm d0100000.vpu: Queued 2 outputs on vpu [ 2.918151] meson-drm d0100000.vpu: Falling back to parsing the 'hhi' registers [ 2.925071] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.931494] [drm] No driver support for vblank timestamp query. [ 2.937441] meson-drm d0100000.vpu: CVBS Output connector not available [ 2.969879] meson-dw-hdmi c883a000.hdmi-tx: Detected HDMI TX controller v2.01a with HDCP (meson_dw_hdmi_phy) [ 2.974639] meson-dw-hdmi c883a000.hdmi-tx: registered DesignWare HDMI I2C bus driver [ 2.982594] Registered IR keymap rc-cec [ 2.985707] rc rc2: dw_hdmi as /devices/platform/soc/c883a000.hdmi-tx/rc/rc2 [ 2.992729] input: dw_hdmi as /devices/platform/soc/c883a000.hdmi-tx/rc/rc2/input3 [ 3.000411] meson-drm d0100000.vpu: bound c883a000.hdmi-tx (ops meson_dw_hdmi_ops) [ 3.007958] [drm] Initialized meson 1.0.0 20161109 for d0100000.vpu on minor 0 [ 3.014796] [drm] Cannot find any crtc or sizes [ 3.019698] libphy: mdio_mux: probed [ 3.022865] [drm] Cannot find any crtc or sizes [ 3.027579] libphy: mdio_mux: probed [ 3.031088] phy phy-d0078080.phy.2: unsupported PHY mode 5 [ 3.038256] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.041671] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1 [ 3.049982] xhci-hcd xhci-hcd.0.auto: hcc params 0x0228f664 hci version 0x100 quirks 0x0000000002010010 [ 3.058619] xhci-hcd xhci-hcd.0.auto: irq 38, io mem 0xc9000000 [ 3.065097] hub 1-0:1.0: USB hub found [ 3.068180] hub 1-0:1.0: 2 ports detected [ 3.072408] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller [ 3.077556] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 2 [ 3.085141] xhci-hcd xhci-hcd.0.auto: Host supports USB 3.0 SuperSpeed [ 3.091730] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 3.100202] hub 2-0:1.0: USB hub found [ 3.103457] hub 2-0:1.0: config failed, hub doesn't have any ports! (err -19) [ 3.111158] input: adc-keys as /devices/platform/adc-keys/input/input4 [ 3.118353] meson-gx-mmc d0070000.mmc: allocated mmc-pwrseq [ 3.150018] scpi_protocol scpi: SCP Protocol legacy pre-1.0 firmware domain-0 init dvfs: 4 [ 3.159000] cpu cpu0: failed to add opp 100000000Hz 910mV [ 3.159028] cpu cpu0: failed to add opps to the device [ 3.163982] cpu cpu1: failed to add opp 100000000Hz 910mV [ 3.169292] cpu cpu1: failed to add opps to the device [ 3.174412] cpu cpu2: failed to add opp 100000000Hz 910mV [ 3.179725] cpu cpu2: failed to add opps to the device [ 3.184847] cpu cpu3: failed to add opp 100000000Hz 910mV [ 3.190165] cpu cpu3: failed to add opps to the device [ 3.198186] hctosys: unable to open rtc device (rtc0) [ 3.200302] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 3.204258] mmc2: queuing unknown CIS tuple 0x80 (2 bytes) [ 3.209374] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 3.215343] mmc2: queuing unknown CIS tuple 0x80 (3 bytes) [ 3.219849] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 3.227234] mmc2: queuing unknown CIS tuple 0x80 (3 bytes) [ 3.230088] ALSA device list: [ 3.230090] No soundcards found. [ 3.233721] cfg80211: failed to load regulatory.db [ 3.242859] mmc2: queuing unknown CIS tuple 0x80 (7 bytes) [ 3.261368] Waiting 2 sec before mounting root device... [ 3.310098] random: fast init done [ 3.336037] mmc2: new high speed SDIO card at address 0001 [ 3.339456] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 3.344645] brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.bin failed with error -2 [ 3.429844] usb 1-1: new high-speed USB device number 2 using xhci-hcd [ 3.484280] random: crng init done [ 3.635931] hub 1-1:1.0: USB hub found [ 3.635995] hub 1-1:1.0: 4 ports detected [ 4.861843] Bluetooth: hci0: command 0x1001 tx timeout [ 5.389954] F2FS-fs (mmcblk0p2): Mounted with checkpoint version = 11f [ 5.390902] VFS: Mounted root (f2fs filesystem) on device 179:2. [ 5.398980] devtmpfs: mounted [ 5.399935] Freeing unused kernel memory: 640K [ 5.404197] Run /usr/bin/init as init process [ 5.915641] systemd[1]: System time before build time, advancing clock.
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 118f09da8dfb..f77b9327a590 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -169,6 +169,7 @@ struct meson_host { struct clk *rx_clk; struct clk *tx_clk; unsigned long req_rate; + bool ddr; struct pinctrl *pinctrl; struct pinctrl_state *pins_default; @@ -384,16 +385,6 @@ static void meson_mmc_post_req(struct mmc_host *mmc, struct mmc_request *mrq, mmc_get_dma_dir(data)); } -static bool meson_mmc_timing_is_ddr(struct mmc_ios *ios) -{ - if (ios->timing == MMC_TIMING_MMC_DDR52 || - ios->timing == MMC_TIMING_UHS_DDR50 || - ios->timing == MMC_TIMING_MMC_HS400) - return true; - - return false; -} - /* * Gating the clock on this controller is tricky. It seems the mmc clock * is also used by the controller. It may crash during some operation if the @@ -430,36 +421,41 @@ static void meson_mmc_clk_ungate(struct meson_host *host) writel(cfg, host->regs + SD_EMMC_CFG); } -static int meson_mmc_clk_set(struct meson_host *host, struct mmc_ios *ios) +static int meson_mmc_clk_set(struct meson_host *host, unsigned long rate, + bool ddr) { struct mmc_host *mmc = host->mmc; - unsigned long rate = ios->clock; int ret; u32 cfg; - /* DDR modes require higher module clock */ - if (meson_mmc_timing_is_ddr(ios)) - rate <<= 1; - /* Same request - bail-out */ - if (host->req_rate == rate) + if (host->ddr == ddr && host->req_rate == rate) return 0; /* stop clock */ meson_mmc_clk_gate(host); host->req_rate = 0; + mmc->actual_clock = 0; - if (!rate) { - mmc->actual_clock = 0; - /* return with clock being stopped */ + /* return with clock being stopped */ + if (!rate) return 0; - } /* Stop the clock during rate change to avoid glitches */ cfg = readl(host->regs + SD_EMMC_CFG); cfg |= CFG_STOP_CLOCK; writel(cfg, host->regs + SD_EMMC_CFG); + if (ddr) { + /* DDR modes require higher module clock */ + rate <<= 1; + cfg |= CFG_DDR; + } else { + cfg &= ~CFG_DDR; + } + writel(cfg, host->regs + SD_EMMC_CFG); + host->ddr = ddr; + ret = clk_set_rate(host->mmc_clk, rate); if (ret) { dev_err(host->dev, "Unable to set cfg_div_clk to %lu. ret=%d\n", @@ -471,12 +467,14 @@ static int meson_mmc_clk_set(struct meson_host *host, struct mmc_ios *ios) mmc->actual_clock = clk_get_rate(host->mmc_clk); /* We should report the real output frequency of the controller */ - if (meson_mmc_timing_is_ddr(ios)) + if (ddr) { + host->req_rate >>= 1; mmc->actual_clock >>= 1; + } dev_dbg(host->dev, "clk rate: %u Hz\n", mmc->actual_clock); - if (ios->clock != mmc->actual_clock) - dev_dbg(host->dev, "requested rate was %u\n", ios->clock); + if (rate != mmc->actual_clock) + dev_dbg(host->dev, "requested rate was %lu\n", rate); /* (re)start clock */ meson_mmc_clk_ungate(host); @@ -750,6 +748,25 @@ static int meson_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode) return meson_mmc_clk_phase_tuning(mmc, opcode, host->rx_clk); } +static int meson_mmc_prepare_ios_clock(struct meson_host *host, + struct mmc_ios *ios) +{ + bool ddr; + + switch (ios->timing) { + case MMC_TIMING_MMC_DDR52: + case MMC_TIMING_UHS_DDR50: + ddr = true; + break; + + default: + ddr = false; + break; + } + + return meson_mmc_clk_set(host, ios->clock, ddr); +} + static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct meson_host *host = mmc_priv(mmc); @@ -819,15 +836,10 @@ static void meson_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) val &= ~CFG_BUS_WIDTH_MASK; val |= FIELD_PREP(CFG_BUS_WIDTH_MASK, bus_width); - val &= ~CFG_DDR; - if (meson_mmc_timing_is_ddr(ios)) - val |= CFG_DDR; - - err = meson_mmc_clk_set(host, ios); + err = meson_mmc_prepare_ios_clock(host, ios); if (err) dev_err(host->dev, "Failed to set clock: %d\n,", err); - writel(val, host->regs + SD_EMMC_CFG); dev_dbg(host->dev, "SD_EMMC_CFG: 0x%08x\n", val); }
Activating DDR in the Amlogic mmc controller, among other things, will divide the output clock by 2. So by activating it with clock on, we are creating a glitch on the output. Instead, let's deal with DDR when the clock output is off, when setting the clock. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- drivers/mmc/host/meson-gx-mmc.c | 72 +++++++++++++++++++-------------- 1 file changed, 42 insertions(+), 30 deletions(-) -- 2.20.1