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器件型号：TDA4VM 大家好！
我正在使用自己的 TDA4板、引导 rootfs 报告错误为 eMMC 错误、我需要修改什么才能支持200m 速度？
SDK：08.06.00.11
下面是我的引导信息：
U-Boot 2021.01-g2745cab3-dirty (Jun 09 2023 - 17:32:33 +0800) SoC: J721E SR1.1 GP Model: Texas Instruments K3 J721E SoC DRAM: 4 GiB Flash: 0 Bytes MMC: sdhci@4f80000: 0, sdhci@4fb0000: 1 Loading Environment from MMC... OK In: serial@2800000 Out: serial@2800000 Err: serial@2800000 am65_cpsw_nuss ethernet@46000000: K3 CPSW: nuss_ver: 0x6BA00101 cpsw_ver: 0x6BA80100 ale_ver: 0x00293904 Ports:1 mdio_freq:1000000 cdns,sierra serdes@5000000: sierra probed Net: am65_cpsw_nuss_port ethernet@46000000port@1: Port 1 speed froced to 1000Mbit am65_cpsw_nuss_port ethernet@46000000port@1: can't parse phy-handle port 1 (-2) eth0: ethernet@46000000port@1 Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc0(part 0) is current device SD/MMC found on device 0 Failed to load 'boot.scr' ** Unrecognized filesystem type ** k3_r5f_rproc r5f@41000000: Core 1 is already in use. No rproc commands work k3_r5f_rproc r5f@41400000: Core 2 is already in use. No rproc commands work 1420664 bytes read in 16 ms (84.7 MiB/s) Load Remote Processor 2 with data@addr=0x82000000 1420664 bytes: Success! 302028 bytes read in 10 ms (28.8 MiB/s) Load Remote Processor 3 with data@addr=0x82000000 302028 bytes: Success! Failed to load '/lib/firmware/j7-main-r5f1_0-fw' Failed to load '/lib/firmware/j7-main-r5f1_1-fw' 1334036 bytes read in 15 ms (84.8 MiB/s) Load Remote Processor 6 with data@addr=0x82000000 1334036 bytes: Success! 1334036 bytes read in 15 ms (84.8 MiB/s) Load Remote Processor 7 with data@addr=0x82000000 1334036 bytes: Success! 12849048 bytes read in 77 ms (159.1 MiB/s) Load Remote Processor 8 with data@addr=0x82000000 12849048 bytes: Success! 19145216 bytes read in 110 ms (166 MiB/s) 110613 bytes read in 9 ms (11.7 MiB/s) ## Flattened Device Tree blob at 88000000 Booting using the fdt blob at 0x88000000 Loading Device Tree to 000000008fee1000, end 000000008fffffff ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x411fd080] [ 0.000000] Linux version 5.10.162-g76b3e88d56 (oe-user@oe-host) (aarch64-none-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 9.2.1 20191025, GNU ld (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 2.33.1.20191209) #1 SMP PREEMPT Tue Jun 20 07:40:45 UTC 2023 [ 0.000000] Machine model: Texas Instruments J721E SK [ 0.000000] earlycon: ns16550a0 at MMIO32 0x0000000002800000 (options '') [ 0.000000] printk: bootconsole [ns16550a0] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a0000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a0000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a0100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a0100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a1000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a1000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a1100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a1100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a2000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a2000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a2100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a2100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a3000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a3000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a3100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a3100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a4000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a4000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a4100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a4100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a5000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node r5f-dma-memory@a5000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a5100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node r5f-memory@a5100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a6000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node c66-dma-memory@a6000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a6100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node c66-memory@a6100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a7000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node c66-dma-memory@a7000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a7100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node c66-memory@a7100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a8000000, size 1 MiB [ 0.000000] OF: reserved mem: initialized node c71-dma-memory@a8000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000a8100000, size 15 MiB [ 0.000000] OF: reserved mem: initialized node c71-memory@a8100000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000ac000000, size 2 MiB [ 0.000000] OF: reserved mem: initialized node r5f-virtual-eth-queues@ac000000, compatible id shared-dma-pool [ 0.000000] Reserved memory: created DMA memory pool at 0x00000000ac200000, size 30 MiB [ 0.000000] OF: reserved mem: initialized node r5f-virtual-eth-buffers@ac200000, compatible id shared-dma-pool [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000080000000-0x00000000ffffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal [mem 0x0000000100000000-0x00000008ffffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000009e7fffff] [ 0.000000] node 0: [mem 0x000000009e800000-0x00000000a8ffffff] [ 0.000000] node 0: [mem 0x00000000a9000000-0x00000000a9ffffff] [ 0.000000] node 0: [mem 0x00000000aa000000-0x00000000abbfffff] [ 0.000000] node 0: [mem 0x00000000abc00000-0x00000000abffffff] [ 0.000000] node 0: [mem 0x00000000ac000000-0x00000000adffffff] [ 0.000000] node 0: [mem 0x00000000ae000000-0x00000000ffffffff] [ 0.000000] node 0: [mem 0x0000000880000000-0x00000008ffffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000008ffffffff] [ 0.000000] cma: Reserved 512 MiB at 0x00000000e0000000 [ 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: Trusted OS migration not required [ 0.000000] psci: SMC Calling Convention v1.2 [ 0.000000] percpu: Embedded 22 pages/cpu s50392 r8192 d31528 u90112 [ 0.000000] Detected PIPT I-cache on CPU0 [ 0.000000] CPU features: detected: GIC system register CPU interface [ 0.000000] CPU features: detected: EL2 vector hardening [ 0.000000] CPU features: detected: ARM errata 1165522, 1319367, or 1530923 [ 0.000000] CPU features: detected: Spectre-BHB [ 0.000000] CPU features: detected: ARM erratum 1742098 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1032192 [ 0.000000] Kernel command line: console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 mtdparts=47040000.spi.0:512k(ospi.tiboot3),2m(ospi.tispl),4m(ospi.u-boot),256k(ospi.env),1m(ospi.sysfw),256k(ospi.env.backup),57088k@8m(ospi.rootfs),256k(ospi.phypattern);47034000.hyperbus:512k(hbmc.tiboot3),2m(hbmc.tispl),4m(hbmc.u-boot),256k(hbmc.env),1m(hbmc.sysfw),-@8m(hbmc.rootfs) root=PARTUUID=759975fc-d58f-3f4d-8992-c22c4824f2ae rw rootfstype=ext4 rootwait [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] software IO TLB: mapped [mem 0x00000000dc000000-0x00000000e0000000] (64MB) [ 0.000000] Memory: 3271244K/4194304K available (11264K kernel code, 1160K rwdata, 4304K rodata, 1856K init, 433K bss, 398772K reserved, 524288K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=2. [ 0.000000] Trampoline variant of Tasks RCU enabled. [ 0.000000] Tracing variant of 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=2 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode [ 0.000000] GICv3: 960 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: CPU0: found redistributor 0 region 0:0x0000000001900000 [ 0.000000] ITS [mem 0x01820000-0x0182ffff] [ 0.000000] GIC: enabling workaround for ITS: Socionext Synquacer pre-ITS [ 0.000000] ITS@0x0000000001820000: Devices Table too large, reduce ids 20->19 [ 0.000000] ITS@0x0000000001820000: allocated 524288 Devices @880800000 (flat, esz 8, psz 64K, shr 0) [ 0.000000] ITS: using cache flushing for cmd queue [ 0.000000] GICv3: using LPI property table @0x0000000880030000 [ 0.000000] GIC: using cache flushing for LPI property table [ 0.000000] GICv3: CPU0: using allocated LPI pending table @0x0000000880040000 [ 0.000000] arch_timer: cp15 timer(s) running at 200.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x2e2049d3e8, max_idle_ns: 440795210634 ns [ 0.000002] sched_clock: 56 bits at 200MHz, resolution 5ns, wraps every 4398046511102ns [ 0.008400] Console: colour dummy device 80x25 [ 0.012965] Calibrating delay loop (skipped), value calculated using timer frequency.. 400.00 BogoMIPS (lpj=800000) [ 0.023635] pid_max: default: 32768 minimum: 301 [ 0.028393] LSM: Security Framework initializing [ 0.033150] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.040730] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.049593] rcu: Hierarchical SRCU implementation. [ 0.054667] Platform MSI: msi-controller@1820000 domain created [ 0.060917] PCI/MSI: /bus@100000/interrupt-controller@1800000/msi-controller@1820000 domain created [ 0.070222] EFI services will not be available. [ 0.074945] smp: Bringing up secondary CPUs ... I/TC: Secondary CPU 1 initializing I/TC: Secondary CPU 1 switching to normal world boot [ 0.088189] Detected PIPT I-cache on CPU1 [ 0.088213] GICv3: CPU1: found redistributor 1 region 0:0x0000000001920000 [ 0.088225] GICv3: CPU1: using allocated LPI pending table @0x0000000880050000 [ 0.088259] CPU1: Booted secondary processor 0x0000000001 [0x411fd080] [ 0.088310] smp: Brought up 1 node, 2 CPUs [ 0.117657] SMP: Total of 2 processors activated. [ 0.122462] CPU features: detected: 32-bit EL0 Support [ 0.127716] CPU features: detected: CRC32 instructions [ 0.141932] CPU: All CPU(s) started at EL2 [ 0.146127] alternatives: patching kernel code [ 0.151177] devtmpfs: initialized [ 0.160167] KASLR disabled due to lack of seed [ 0.164817] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.174781] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.188066] pinctrl core: initialized pinctrl subsystem [ 0.193730] DMI not present or invalid. [ 0.197977] NET: Registered protocol family 16 [ 0.203197] DMA: preallocated 512 KiB GFP_KERNEL pool for atomic allocations [ 0.210515] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.218578] DMA: preallocated 512 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.226887] thermal_sys: Registered thermal governor 'step_wise' [ 0.226890] thermal_sys: Registered thermal governor 'power_allocator' [ 0.233473] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers. [ 0.247111] ASID allocator initialised with 65536 entries [ 0.270142] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.277002] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages [ 0.283850] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.290695] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages [ 0.298178] cryptd: max_cpu_qlen set to 1000 [ 0.304292] k3-chipinfo 43000014.chipid: Family:J721E rev:SR2.0 JTAGID[0x1bb6402f] Detected [ 0.313113] vsys_3v3: supplied by vusb-main5v0 [ 0.318132] iommu: Default domain type: Translated [ 0.323260] SCSI subsystem initialized [ 0.327465] mc: Linux media interface: v0.10 [ 0.331843] videodev: Linux video capture interface: v2.00 [ 0.337486] pps_core: LinuxPPS API ver. 1 registered [ 0.342559] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it> [ 0.351897] PTP clock support registered [ 0.355916] EDAC MC: Ver: 3.0.0 [ 0.359753] FPGA manager framework [ 0.363269] Advanced Linux Sound Architecture Driver Initialized. [ 0.369866] clocksource: Switched to clocksource arch_sys_counter [ 0.376191] VFS: Disk quotas dquot_6.6.0 [ 0.380224] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.389835] NET: Registered protocol family 2 [ 0.394589] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.403178] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear) [ 0.411936] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.420136] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear) [ 0.427951] TCP: Hash tables configured (established 32768 bind 32768) [ 0.434754] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear) [ 0.441649] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear) [ 0.449050] NET: Registered protocol family 1 [ 0.453782] RPC: Registered named UNIX socket transport module. [ 0.459847] RPC: Registered udp transport module. [ 0.464651] RPC: Registered tcp transport module. [ 0.469454] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.476036] NET: Registered protocol family 44 [ 0.480582] PCI: CLS 0 bytes, default 64 [ 0.484962] hw perfevents: enabled with armv8_cortex_a72 PMU driver, 7 counters available [ 0.495422] Initialise system trusted keyrings [ 0.500046] workingset: timestamp_bits=46 max_order=20 bucket_order=0 [ 0.508177] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.514456] NFS: Registering the id_resolver key type [ 0.519645] Key type id_resolver registered [ 0.523916] Key type id_legacy registered [ 0.528037] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.534885] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 0.542525] 9p: Installing v9fs 9p2000 file system support [ 0.567381] Key type asymmetric registered [ 0.571568] Asymmetric key parser 'x509' registered [ 0.576567] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 0.584126] io scheduler mq-deadline registered [ 0.588752] io scheduler kyber registered [ 0.594528] pinctrl-single 4301c000.pinctrl: 94 pins, size 376 [ 0.600714] pinctrl-single 11c000.pinctrl: 173 pins, size 692 [ 0.609785] ti-pat 31010000.pat: Found PAT Rev 1.0 with 16384 pages [ 0.616228] debugfs: Directory '31010000.pat' with parent 'regmap' already present! [ 0.624215] ti-pat 31011000.pat: Found PAT Rev 1.0 with 16384 pages [ 0.630637] debugfs: Directory '31011000.pat' with parent 'regmap' already present! [ 0.638577] ti-pat 31012000.pat: Found PAT Rev 1.0 with 16384 pages [ 0.644994] debugfs: Directory '31012000.pat' with parent 'regmap' already present! [ 0.652925] ti-pat 31013000.pat: Found PAT Rev 1.0 with 2048 pages [ 0.659251] debugfs: Directory '31013000.pat' with parent 'regmap' already present! [ 0.667193] ti-pat 31014000.pat: Found PAT Rev 1.0 with 2048 pages [ 0.673517] debugfs: Directory '31014000.pat' with parent 'regmap' already present! [ 0.683280] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled [ 0.691594] arm-smmu-v3 36600000.iommu: ias 48-bit, oas 48-bit (features 0x00001faf) [ 0.699863] arm-smmu-v3 36600000.iommu: allocated 65536 entries for cmdq [ 0.706948] arm-smmu-v3 36600000.iommu: allocated 32768 entries for evtq [ 0.715513] arm-smmu-v3 36600000.iommu: msi_domain absent - falling back to wired irqs [ 0.728853] brd: module loaded [ 0.735426] loop: module loaded [ 0.739159] megasas: 07.714.04.00-rc1 [ 0.744958] tun: Universal TUN/TAP device driver, 1.6 [ 0.750428] igbvf: Intel(R) Gigabit Virtual Function Network Driver [ 0.756838] igbvf: Copyright (c) 2009 - 2012 Intel Corporation. [ 0.762913] sky2: driver version 1.30 [ 0.767308] VFIO - User Level meta-driver version: 0.3 [ 0.773116] i2c /dev entries driver [ 0.777607] sdhci: Secure Digital Host Controller Interface driver [ 0.783930] sdhci: Copyright(c) Pierre Ossman [ 0.788590] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.795007] ledtrig-cpu: registered to indicate activity on CPUs [ 0.801350] SMCCC: SOC_ID: ARCH_SOC_ID not implemented, skipping .... [ 0.808748] optee: probing for conduit method. I/TC: Reserved shared memory is enabled I/TC: Dynamic shared memory is enabled I/TC: Normal World virtualization support is disabled I/TC: Asynchronous notifications are disabled [ 0.813313] optee: revision 3.20 (8e74d476) [ 0.829719] optee: dynamic shared memory is enabled [ 0.839180] optee: initialized driver [ 0.844288] NET: Registered protocol family 17 [ 0.848916] 9pnet: Installing 9P2000 support [ 0.853318] Key type dns_resolver registered [ 0.857775] Loading compiled-in X.509 certificates [ 0.871571] ti-sci 44083000.dmsc: ABI: 3.1 (firmware rev 0x0008 '8.6.3--v08.06.03 (Chill Capybar') [ 0.926056] omap_i2c 40b00000.i2c: bus 0 rev0.12 at 100 kHz [ 0.932174] omap_i2c 40b10000.i2c: bus 1 rev0.12 at 100 kHz [ 0.938250] omap_i2c 42120000.i2c: bus 2 rev0.12 at 100 kHz [ 0.965911] pca954x 3-0071: probe failed [ 0.969948] omap_i2c 2000000.i2c: bus 3 rev0.12 at 400 kHz [ 0.976046] omap_i2c 2010000.i2c: bus 4 rev0.12 at 400 kHz [ 1.005911] pca954x 5-0070: probe failed [ 1.009946] omap_i2c 2030000.i2c: bus 5 rev0.12 at 400 kHz [ 1.016050] omap_i2c 2050000.i2c: bus 6 rev0.12 at 400 kHz [ 1.022530] ti-sci-intr bus@100000:bus@28380000:interrupt-controller2: Interrupt Router 137 domain created [ 1.032504] ti-sci-intr bus@100000:interrupt-controller0: Interrupt Router 131 domain created [ 1.041323] ti-sci-intr bus@100000:main-navss:interrupt-controller1: Interrupt Router 213 domain created [ 1.051202] ti-sci-inta 33d00000.interrupt-controller: Interrupt Aggregator domain 209 created [ 1.073454] j721e-pcie 2900000.pcie: host bridge /bus@100000/pcie@2900000 ranges: [ 1.081149] j721e-pcie 2900000.pcie: IO 0x0010001000..0x0010010fff -> 0x0010001000 [ 1.089427] j721e-pcie 2900000.pcie: MEM 0x0010011000..0x0017ffffff -> 0x0010011000 [ 1.097703] j721e-pcie 2900000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000 [ 1.106639] j721e-pcie 2910000.pcie: host bridge /bus@100000/pcie@2910000 ranges: [ 1.114324] j721e-pcie 2910000.pcie: IO 0x0018001000..0x0018010fff -> 0x0018001000 [ 1.122600] j721e-pcie 2910000.pcie: MEM 0x0018011000..0x001fffffff -> 0x0018011000 [ 1.130878] j721e-pcie 2910000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000 [ 1.140187] k3-ringacc 2b800000.ringacc: Ring Accelerator probed rings:286, gp-rings[96,20] sci-dev-id:235 [ 1.150071] k3-ringacc 2b800000.ringacc: dma-ring-reset-quirk: disabled [ 1.156831] k3-ringacc 2b800000.ringacc: RA Proxy rev. 66346100, num_proxies:64 [ 1.165892] k3-ringacc 3c000000.ringacc: Ring Accelerator probed rings:1024, gp-rings[440,150] sci-dev-id:211 [ 1.176030] k3-ringacc 3c000000.ringacc: dma-ring-reset-quirk: disabled [ 1.182788] k3-ringacc 3c000000.ringacc: RA Proxy rev. 66346100, num_proxies:64 [ 1.190784] 40a00000.serial: ttyS1 at MMIO 0x40a00000 (irq = 15, base_baud = 6000000) is a 8250 [ 1.200227] 2800000.serial: ttyS2 at MMIO 0x2800000 (irq = 27, base_baud = 3000000) is a 8250 [ 1.208977] printk: console [ttyS2] enabled [ 1.208977] printk: console [ttyS2] enabled [ 1.217414] printk: bootconsole [ns16550a0] disabled [ 1.217414] printk: bootconsole [ns16550a0] disabled [ 1.227932] 2810000.serial: ttyS3 at MMIO 0x2810000 (irq = 28, base_baud = 3000000) is a 8250 [ 1.236927] 2820000.serial: ttyS4 at MMIO 0x2820000 (irq = 29, base_baud = 3000000) is a 8250 [ 1.250488] davinci_mdio 46000f00.mdio: Configuring MDIO in manual mode [ 1.293873] davinci_mdio 46000f00.mdio: davinci mdio revision 9.7, bus freq 1000000 [ 1.301517] davinci_mdio 46000f00.mdio: no live phy, scanning all [ 1.319420] davinci_mdio 46000f00.mdio: phy[0]: device 46000f00.mdio:00, driver unknown [ 1.327438] davinci_mdio 46000f00.mdio: phy[1]: device 46000f00.mdio:01, driver unknown [ 1.335488] davinci_mdio 46000f00.mdio: phy[2]: device 46000f00.mdio:02, driver unknown [ 1.343483] davinci_mdio 46000f00.mdio: phy[3]: device 46000f00.mdio:03, driver unknown [ 1.351467] davinci_mdio 46000f00.mdio: phy[4]: device 46000f00.mdio:04, driver unknown [ 1.359454] davinci_mdio 46000f00.mdio: phy[5]: device 46000f00.mdio:05, driver unknown [ 1.367438] davinci_mdio 46000f00.mdio: phy[6]: device 46000f00.mdio:06, driver unknown [ 1.375421] davinci_mdio 46000f00.mdio: phy[7]: device 46000f00.mdio:07, driver unknown [ 1.383407] davinci_mdio 46000f00.mdio: phy[8]: device 46000f00.mdio:08, driver unknown [ 1.391391] davinci_mdio 46000f00.mdio: phy[9]: device 46000f00.mdio:09, driver unknown [ 1.399375] davinci_mdio 46000f00.mdio: phy[10]: device 46000f00.mdio:0a, driver unknown [ 1.407445] davinci_mdio 46000f00.mdio: phy[11]: device 46000f00.mdio:0b, driver unknown [ 1.415514] davinci_mdio 46000f00.mdio: phy[12]: device 46000f00.mdio:0c, driver unknown [ 1.423585] davinci_mdio 46000f00.mdio: phy[13]: device 46000f00.mdio:0d, driver unknown [ 1.431658] davinci_mdio 46000f00.mdio: phy[14]: device 46000f00.mdio:0e, driver unknown [ 1.439729] davinci_mdio 46000f00.mdio: phy[15]: device 46000f00.mdio:0f, driver unknown [ 1.447804] davinci_mdio 46000f00.mdio: phy[16]: device 46000f00.mdio:10, driver unknown [ 1.455882] davinci_mdio 46000f00.mdio: phy[17]: device 46000f00.mdio:11, driver unknown [ 1.463954] davinci_mdio 46000f00.mdio: phy[18]: device 46000f00.mdio:12, driver unknown [ 1.472026] davinci_mdio 46000f00.mdio: phy[19]: device 46000f00.mdio:13, driver unknown [ 1.480100] davinci_mdio 46000f00.mdio: phy[20]: device 46000f00.mdio:14, driver unknown [ 1.488171] davinci_mdio 46000f00.mdio: phy[21]: device 46000f00.mdio:15, driver unknown [ 1.496243] davinci_mdio 46000f00.mdio: phy[22]: device 46000f00.mdio:16, driver unknown [ 1.504315] davinci_mdio 46000f00.mdio: phy[23]: device 46000f00.mdio:17, driver unknown [ 1.512388] davinci_mdio 46000f00.mdio: phy[24]: device 46000f00.mdio:18, driver unknown [ 1.520460] davinci_mdio 46000f00.mdio: phy[25]: device 46000f00.mdio:19, driver unknown [ 1.528530] davinci_mdio 46000f00.mdio: phy[26]: device 46000f00.mdio:1a, driver unknown [ 1.536600] davinci_mdio 46000f00.mdio: phy[27]: device 46000f00.mdio:1b, driver unknown [ 1.544670] davinci_mdio 46000f00.mdio: phy[28]: device 46000f00.mdio:1c, driver unknown [ 1.552740] davinci_mdio 46000f00.mdio: phy[29]: device 46000f00.mdio:1d, driver unknown [ 1.560810] davinci_mdio 46000f00.mdio: phy[30]: device 46000f00.mdio:1e, driver unknown [ 1.568882] davinci_mdio 46000f00.mdio: phy[31]: device 46000f00.mdio:1f, driver unknown [ 1.577024] am65-cpsw-nuss 46000000.ethernet: initializing am65 cpsw nuss version 0x6BA00101, cpsw version 0x6BA80100 Ports: 2 quirks:00000000 [ 1.589874] am65-cpsw-nuss 46000000.ethernet: initialized cpsw ale version 1.4 [ 1.597079] am65-cpsw-nuss 46000000.ethernet: ALE Table size 64 [ 1.603424] am65-cpsw-nuss 46000000.ethernet: CPTS ver 0x4e8a010a, freq:500000000, add_val:1 pps:0 [ 1.614264] davinci_mdio c000f00.mdio: Configuring MDIO in manual mode [ 1.657869] davinci_mdio c000f00.mdio: davinci mdio revision 9.7, bus freq 1000000 [ 1.665425] davinci_mdio c000f00.mdio: no live phy, scanning all [ 1.683536] davinci_mdio c000f00.mdio: phy[0]: device c000f00.mdio:00, driver unknown [ 1.691381] davinci_mdio c000f00.mdio: phy[1]: device c000f00.mdio:01, driver unknown [ 1.699195] davinci_mdio c000f00.mdio: phy[2]: device c000f00.mdio:02, driver unknown [ 1.707007] davinci_mdio c000f00.mdio: phy[3]: device c000f00.mdio:03, driver unknown [ 1.714819] davinci_mdio c000f00.mdio: phy[4]: device c000f00.mdio:04, driver unknown [ 1.722634] davinci_mdio c000f00.mdio: phy[5]: device c000f00.mdio:05, driver unknown [ 1.730445] davinci_mdio c000f00.mdio: phy[6]: device c000f00.mdio:06, driver unknown [ 1.738257] davinci_mdio c000f00.mdio: phy[7]: device c000f00.mdio:07, driver unknown [ 1.746067] davinci_mdio c000f00.mdio: phy[8]: device c000f00.mdio:08, driver unknown [ 1.753879] davinci_mdio c000f00.mdio: phy[9]: device c000f00.mdio:09, driver unknown [ 1.761691] davinci_mdio c000f00.mdio: phy[10]: device c000f00.mdio:0a, driver unknown [ 1.769589] davinci_mdio c000f00.mdio: phy[11]: device c000f00.mdio:0b, driver unknown [ 1.777489] davinci_mdio c000f00.mdio: phy[12]: device c000f00.mdio:0c, driver unknown [ 1.785389] davinci_mdio c000f00.mdio: phy[13]: device c000f00.mdio:0d, driver unknown [ 1.793287] davinci_mdio c000f00.mdio: phy[14]: device c000f00.mdio:0e, driver unknown [ 1.801188] davinci_mdio c000f00.mdio: phy[15]: device c000f00.mdio:0f, driver unknown [ 1.809090] davinci_mdio c000f00.mdio: phy[16]: device c000f00.mdio:10, driver unknown [ 1.817051] davinci_mdio c000f00.mdio: phy[17]: device c000f00.mdio:11, driver unknown [ 1.824959] davinci_mdio c000f00.mdio: phy[18]: device c000f00.mdio:12, driver unknown [ 1.832857] davinci_mdio c000f00.mdio: phy[19]: device c000f00.mdio:13, driver unknown [ 1.840753] davinci_mdio c000f00.mdio: phy[20]: device c000f00.mdio:14, driver unknown [ 1.848652] davinci_mdio c000f00.mdio: phy[21]: device c000f00.mdio:15, driver unknown [ 1.856549] davinci_mdio c000f00.mdio: phy[22]: device c000f00.mdio:16, driver unknown [ 1.864446] davinci_mdio c000f00.mdio: phy[23]: device c000f00.mdio:17, driver unknown [ 1.872343] davinci_mdio c000f00.mdio: phy[24]: device c000f00.mdio:18, driver unknown [ 1.880241] davinci_mdio c000f00.mdio: phy[25]: device c000f00.mdio:19, driver unknown [ 1.888138] davinci_mdio c000f00.mdio: phy[26]: device c000f00.mdio:1a, driver unknown [ 1.896035] davinci_mdio c000f00.mdio: phy[27]: device c000f00.mdio:1b, driver unknown [ 1.903932] davinci_mdio c000f00.mdio: phy[28]: device c000f00.mdio:1c, driver unknown [ 1.911833] davinci_mdio c000f00.mdio: phy[29]: device c000f00.mdio:1d, driver unknown [ 1.919730] davinci_mdio c000f00.mdio: phy[30]: device c000f00.mdio:1e, driver unknown [ 1.927631] davinci_mdio c000f00.mdio: phy[31]: device c000f00.mdio:1f, driver unknown [ 1.935606] am65-cpsw-nuss c000000.ethernet: initializing am65 cpsw nuss version 0x6BA01901, cpsw version 0x6BA80101 Ports: 9 quirks:00000000 [ 1.948286] am65-cpsw-nuss c000000.ethernet: /bus@100000/ethernet@c000000/ethernet-ports/port@1 error retrieving port phy: -19 [ 1.961551] am65-cpts 310d0000.cpts: CPTS ver 0x4e8a010a, freq:200000000, add_val:4 pps:0 [ 2.071561] mmc0: CQHCI version 5.10 [ 2.078789] vdd_mmc1: supplied by vsys_3v3 [ 2.083525] omap-mailbox 31f80000.mailbox: omap mailbox rev 0x66fc7100 [ 2.090426] omap-mailbox 31f81000.mailbox: omap mailbox rev 0x66fc7100 [ 2.097274] omap-mailbox 31f82000.mailbox: omap mailbox rev 0x66fc7100 [ 2.104097] omap-mailbox 31f83000.mailbox: omap mailbox rev 0x66fc7100 [ 2.110897] omap-mailbox 31f84000.mailbox: omap mailbox rev 0x66fc7100 [ 2.112472] mmc0: SDHCI controller on 4f80000.mmc [4f80000.mmc] using ADMA 64-bit [ 2.121158] j721e-pcie 2900000.pcie: host bridge /bus@100000/pcie@2900000 ranges: [ 2.132456] j721e-pcie 2900000.pcie: IO 0x0010001000..0x0010010fff -> 0x0010001000 [ 2.140593] j721e-pcie 2900000.pcie: MEM 0x0010011000..0x0017ffffff -> 0x0010011000 [ 2.148680] j721e-pcie 2900000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000 [ 2.226073] mmc0: mmc_select_hs200 failed, error -110 [ 2.231119] mmc0: error -110 whilst initialising MMC card [ 2.267370] j721e-pcie 2900000.pcie: Link up [ 2.271699] j721e-pcie 2900000.pcie: PCI host bridge to bus 0000:00 [ 2.277953] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.283482] pci_bus 0000:00: root bus resource [io 0x0000-0xffff] (bus address [0x10001000-0x10010fff]) [ 2.292994] pci_bus 0000:00: root bus resource [mem 0x10011000-0x17ffffff] [ 2.299883] pci 0000:00:00.0: [104c:b00d] type 01 class 0x060400 [ 2.305930] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits [ 2.315679] pci 0000:00:00.0: supports D1 [ 2.319731] pci 0000:00:00.0: PME# supported from D0 D1 D3hot [ 2.327780] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 2.335948] pci 0000:01:00.0: [11ab:0b52] type 00 class 0x020000 [ 2.341980] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x000fffff 64bit] [ 2.348772] pci 0000:01:00.0: reg 0x18: [mem 0x00000000-0x00003fff 64bit] [ 2.355812] pci 0000:01:00.0: supports D1 D2 [ 2.360071] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot D3cold [ 2.366742] pci 0000:01:00.0: reg 0x20c: [mem 0x00000000-0x000fffff 64bit] [ 2.373605] pci 0000:01:00.0: VF(n) BAR0 space: [mem 0x00000000-0x006fffff 64bit] (contains BAR0 for 7 VFs) [ 2.383352] pci 0000:01:00.0: reg 0x214: [mem 0x00000000-0x00003fff 64bit] [ 2.390215] pci 0000:01:00.0: VF(n) BAR2 space: [mem 0x00000000-0x0001bfff 64bit] (contains BAR2 for 7 VFs) [ 2.411768] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 [ 2.418387] pci 0000:00:00.0: BAR 14: assigned [mem 0x10100000-0x109fffff] [ 2.425267] pci 0000:01:00.0: BAR 0: assigned [mem 0x10100000-0x101fffff 64bit] [ 2.432581] pci 0000:01:00.0: BAR 7: assigned [mem 0x10200000-0x108fffff 64bit] [ 2.439884] pci 0000:01:00.0: BAR 2: assigned [mem 0x10900000-0x10903fff 64bit] [ 2.447196] pci 0000:01:00.0: BAR 9: assigned [mem 0x10904000-0x1091ffff 64bit] [ 2.454500] pci 0000:00:00.0: PCI bridge to [bus 01] [ 2.459507] pci 0000:00:00.0: bridge window [mem 0x10100000-0x109fffff] [ 2.466453] pcieport 0000:00:00.0: enabling device (0000 -> 0002) [ 2.472723] pcieport 0000:00:00.0: PME: Signaling with IRQ 505 [ 2.479180] j721e-pcie 2910000.pcie: host bridge /bus@100000/pcie@2910000 ranges: [ 2.486738] j721e-pcie 2910000.pcie: IO 0x0018001000..0x0018010fff -> 0x0018001000 [ 2.494872] j721e-pcie 2910000.pcie: MEM 0x0018011000..0x001fffffff -> 0x0018011000 [ 2.503008] j721e-pcie 2910000.pcie: IB MEM 0x0000000000..0xffffffffffff -> 0x0000000000 [ 2.508507] mmc0: mmc_select_hs200 failed, error -110 [ 2.516291] mmc0: error -110 whilst initialising MMC card [ 2.658544] mmc0: mmc_select_hs200 failed, error -110 [ 2.663585] mmc0: error -110 whilst initialising MMC card [ 2.848449] mmc0: mmc_select_hs200 failed, error -110 [ 2.853488] mmc0: error -110 whilst initialising MMC card [ 3.510079] j721e-pcie 2910000.pcie: PCI host bridge to bus 0001:00 [ 3.516354] pci_bus 0001:00: root bus resource [bus 00-ff] [ 3.521842] pci_bus 0001:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x18001000-0x18010fff]) [ 3.531486] pci_bus 0001:00: root bus resource [mem 0x18011000-0x1fffffff] [ 3.538378] pci 0001:00:00.0: [104c:b00d] type 01 class 0x060400 [ 3.544385] pci_bus 0001:00: 2-byte config write to 0001:00:00.0 offset 0x4 may corrupt adjacent RW1C bits [ 3.554107] pci 0001:00:00.0: supports D1 [ 3.558118] pci 0001:00:00.0: PME# supported from D0 D1 D3hot [ 3.565856] pci 0001:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring [ 3.575678] pci_bus 0001:01: busn_res: [bus 01-ff] end is updated to 01 [ 3.582286] pci 0001:00:00.0: PCI bridge to [bus 01] [ 3.587454] pcieport 0001:00:00.0: PME: Signaling with IRQ 507 [ 3.594272] ti-udma 285c0000.dma-controller: Channels: 26 (tchan: 13, rchan: 13, gp-rflow: 8) [ 3.604847] ti-udma 31150000.dma-controller: Channels: 122 (tchan: 61, rchan: 61, gp-rflow: 16) [ 3.616754] davinci_mdio 46000f00.mdio: Configuring MDIO in manual mode [ 3.661879] davinci_mdio 46000f00.mdio: davinci mdio revision 9.7, bus freq 1000000 [ 3.669524] davinci_mdio 46000f00.mdio: no live phy, scanning all [ 3.687459] davinci_mdio 46000f00.mdio: phy[0]: device 46000f00.mdio:00, driver unknown [ 3.695472] davinci_mdio 46000f00.mdio: phy[1]: device 46000f00.mdio:01, driver unknown [ 3.703457] davinci_mdio 46000f00.mdio: phy[2]: device 46000f00.mdio:02, driver unknown [ 3.711442] davinci_mdio 46000f00.mdio: phy[3]: device 46000f00.mdio:03, driver unknown [ 3.719426] davinci_mdio 46000f00.mdio: phy[4]: device 46000f00.mdio:04, driver unknown [ 3.727411] davinci_mdio 46000f00.mdio: phy[5]: device 46000f00.mdio:05, driver unknown [ 3.735395] davinci_mdio 46000f00.mdio: phy[6]: device 46000f00.mdio:06, driver unknown [ 3.743381] davinci_mdio 46000f00.mdio: phy[7]: device 46000f00.mdio:07, driver unknown [ 3.751366] davinci_mdio 46000f00.mdio: phy[8]: device 46000f00.mdio:08, driver unknown [ 3.759350] davinci_mdio 46000f00.mdio: phy[9]: device 46000f00.mdio:09, driver unknown [ 3.767337] davinci_mdio 46000f00.mdio: phy[10]: device 46000f00.mdio:0a, driver unknown [ 3.775408] davinci_mdio 46000f00.mdio: phy[11]: device 46000f00.mdio:0b, driver unknown [ 3.783478] davinci_mdio 46000f00.mdio: phy[12]: device 46000f00.mdio:0c, driver unknown [ 3.791548] davinci_mdio 46000f00.mdio: phy[13]: device 46000f00.mdio:0d, driver unknown [ 3.799621] davinci_mdio 46000f00.mdio: phy[14]: device 46000f00.mdio:0e, driver unknown [ 3.807699] davinci_mdio 46000f00.mdio: phy[15]: device 46000f00.mdio:0f, driver unknown [ 3.815824] davinci_mdio 46000f00.mdio: phy[16]: device 46000f00.mdio:10, driver unknown [ 3.823896] davinci_mdio 46000f00.mdio: phy[17]: device 46000f00.mdio:11, driver unknown [ 3.831966] davinci_mdio 46000f00.mdio: phy[18]: device 46000f00.mdio:12, driver unknown [ 3.840037] davinci_mdio 46000f00.mdio: phy[19]: device 46000f00.mdio:13, driver unknown [ 3.848108] davinci_mdio 46000f00.mdio: phy[20]: device 46000f00.mdio:14, driver unknown [ 3.856180] davinci_mdio 46000f00.mdio: phy[21]: device 46000f00.mdio:15, driver unknown [ 3.864250] davinci_mdio 46000f00.mdio: phy[22]: device 46000f00.mdio:16, driver unknown [ 3.872323] davinci_mdio 46000f00.mdio: phy[23]: device 46000f00.mdio:17, driver unknown [ 3.880394] davinci_mdio 46000f00.mdio: phy[24]: device 46000f00.mdio:18, driver unknown [ 3.888464] davinci_mdio 46000f00.mdio: phy[25]: device 46000f00.mdio:19, driver unknown [ 3.896535] davinci_mdio 46000f00.mdio: phy[26]: device 46000f00.mdio:1a, driver unknown [ 3.904606] davinci_mdio 46000f00.mdio: phy[27]: device 46000f00.mdio:1b, driver unknown [ 3.912678] davinci_mdio 46000f00.mdio: phy[28]: device 46000f00.mdio:1c, driver unknown [ 3.920749] davinci_mdio 46000f00.mdio: phy[29]: device 46000f00.mdio:1d, driver unknown [ 3.928823] davinci_mdio 46000f00.mdio: phy[30]: device 46000f00.mdio:1e, driver unknown [ 3.936905] davinci_mdio 46000f00.mdio: phy[31]: device 46000f00.mdio:1f, driver unknown [ 3.945046] am65-cpsw-nuss 46000000.ethernet: initializing am65 cpsw nuss version 0x6BA00101, cpsw version 0x6BA80100 Ports: 2 quirks:00000000 [ 3.957902] am65-cpsw-nuss 46000000.ethernet: initialized cpsw ale version 1.4 [ 3.965114] am65-cpsw-nuss 46000000.ethernet: ALE Table size 64 [ 3.971401] am65-cpsw-nuss 46000000.ethernet: CPTS ver 0x4e8a010a, freq:500000000, add_val:1 pps:0 [ 3.982134] am65-cpsw-nuss 46000000.ethernet: set new flow-id-base 48 [ 3.991058] mmc1: CQHCI version 5.10 [ 3.991079] debugfs: Directory 'pd:27' with parent 'pm_genpd' already present! [ 4.001929] debugfs: Directory 'pd:26' with parent 'pm_genpd' already present! [ 4.010322] debugfs: Directory 'pd:242' with parent 'pm_genpd' already present! [ 4.017640] debugfs: Directory 'pd:241' with parent 'pm_genpd' already present! [ 4.024978] debugfs: Directory 'pd:240' with parent 'pm_genpd' already present! [ 4.032284] debugfs: Directory 'pd:239' with parent 'pm_genpd' already present! [ 4.051672] ALSA device list: [ 4.054641] No soundcards found. [ 5.514338] sdhci-am654 4fb0000.mmc: Power on failed [ 5.549923] mmc1: SDHCI controller on 4fb0000.mmc [4fb0000.mmc] using ADMA 64-bit [ 5.557977] Waiting for root device PARTUUID=759975fc-d58f-3f4d-8992-c22c4824f2ae...
u-boot 中的 MMC 信息如下所示：
=> mmc info Device: sdhci@4f80000 Manufacturer ID: 15 OEM: 100 Name: CJUD4 Bus Speed: 200000000 Mode: HS200 (200MHz) Rd Block Len: 512 MMC version 5.1 High Capacity: Yes Capacity: 59.6 GiB Bus Width: 8-bit Erase Group Size: 512 KiB HC WP Group Size: 8 MiB User Capacity: 59.6 GiB WRREL Boot Capacity: 31.9 MiB ENH RPMB Capacity: 4 MiB ENH Boot area 0 is not write protected Boot area 1 is not write protected
eMMC 相关电路如下所示：
PS：我们实际使用的图片中的22欧姆电阻器为0欧姆
我们要做的是在 eMMC 驱动程序中注释掉切换 HS200M 的代码、从而能够启动该驱动程序。
需要修改哪些内容？ 器件树？ 是什么？ 来支持200m 速度？
谢谢！
