MYZR-SSD20X-CB096 启动手册
来自明远智睿的wiki
串口线的连接
把串口线的一端连接到开发板的P5口,另一端连接到电脑的串口或USB口。(使用我们提供的串口
转接线)
参考《终端软件参考手册》新建串口会话并打开会话。
电源线的连接
把电源适配器的一端连接到开发板的“5V_IN”,另一端插入到市电(220V的交流电)插座。
开发板的启动信息
IPL g5da0ceb D-1e HW Reset miupll_233MHz MIU0 zq=0x003b miu_bw_set utmi_1_init done utmi_2_init done utmi_3_init done usbpll init done...... cpupll init done SPI 54M clk_init done P1 USB_rterm trim=0x0000 P1 USB_HS_TX_CURRENT trim=0x000d P2 USB_rterm trim=0x0000 P2 USB_HS_TX_CURRENT trim=0x0002 P3 USB_rterm trim=0x0000 P3 USB_HS_TX_CURRENT trim=0x0002 PM_vol_bgap trim=0x0001 GCR_SAR_DATA trim=0x018f ETH 10T output swing trim=0x0011 ETH 100T output swing trim=0x0011 ETH RX input impedance trim=0x0000 ETH TX output impedance trim=0x0000 MIPI_HS_RTERM trim=0x0001 MIPI_LP_RTERM trim=0x0000 128MB BIST0_0001-OK Enable MMU and CACHE Load IPL_CUST from SPINAND Checksum OK IPL_CUST g5da0ceb runUBOOT() runUBOOT() [SPINAND] SPI 54M Load UBOOT from SPINAND -Verify UBOOT CRC32 passed! -Decompress UBOOT XZ decomp_size=0x000a1038 Disable MMU and D-cache before jump to UBOOT U-Boot 2015.01 (Apr 02 2022 - 18:22:14) Version: I2g####### Watchdog enabled I2C: ready DRAM: WARNING: Caches not enabled SPINAND: _MDrv_SPINAND_GET_INFO: Found SPINAND INFO (0xEF) (0xAA) (0x21) SPINAND: board_nand_init: CIS contains part info 128 MiB MMC: MStar SD/MMC: 0 In: serial Out: serial Err: serial Net: MAC Address 00:30:1B:BA:02:DB Auto-Negotiation... AN failLink Status Speed:10 Full-duplex:0 Status Error! sstar_emac bootcheck start fore uup u8KeyPad_KeyVal [0xffff] BootMode 0 NAND read: device 0 offset 0x4c0000, size 0x60000 Time:73204 us, speed:5371 KB/s 393216 bytes read: OK gpio debug MHal_GPIO_Pad_Set: pin=4 gpio[4] is 1 gpio debug MHal_GPIO_Pad_Set: pin=8 gpio[8] is 0 NAND read: device 0 offset 0x520000, size 0x500000 Time:975860 us, speed:5372 KB/s 5242880 bytes read: OK gpio debug MHal_GPIO_Pad_Set: pin=8 gpio[8] is 1 ## Booting kernel from Legacy Image at 22000000 ... Image Name: MVX4##I2M#g#######KL_LX409##[BR: Image Type: ARM Linux Kernel Image (lzma compressed) Data Size: 3193760 Bytes = 3 MiB Load Address: 20008000 Entry Point: 20008000 Verifying Checksum ... OK -usb_stop(USB_PORT0) -usb_stop(USB_PORT1) -usb_stop(USB_PORT2) Uncompressing Kernel Image ... [XZ] !!!reserved 0x21000000 length=0x 1000000 for xz!! XZ: uncompressed size=0x6ac000, ret=7 OK atags:0x20000000 Starting kernel ... Booting Linux on physical CPU 0x0 Linux version 4.9.84 (linyn@u1804) (gcc version 8.2.1 20180802 (GNU Toolchain for the A-profile Architecture 8.2-2018-08 (arm-rel-8.23)) ) #3 SMP PREEMPT Sat Apr 2 15:22:50 CST 2022 CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=50c5387d CPU: div instructions available: patching division code CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache early_atags_to_fdt() success OF: fdt:Machine model: INFINITY2M SSC011A-S01A-S LXmem is 0x7f00000 PHYS_OFFSET is 0x20000000 Add mem start 0x20000000 size 0x7f00000!!!! LX_MEM = 0x20000000, 0x7f00000 LX_MEM2 = 0x0, 0x0 LX_MEM3 = 0x0, 0x0 EMAC_LEN= 0x0 DRAM_LEN= 0x0 deal_with_reserved_mmap memblock_reserve success mmap_reserved_config[0].reserved_start= 0x27c00000 deal_with_reserve_mma_heap memblock_reserve success mma_config[0].reserved_start= 0x27a00000 cma: Reserved 2 MiB at 0x27800000 Memory policy: Data cache writealloc percpu: Embedded 14 pages/cpu @c76bc000 s25368 r8192 d23784 u57344 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 31746 Kernel command line: console=ttyS0,115200 ubi.mtd=UBI,2048 root=ubi:rootfs ro rootfstype=ubifs init=/linuxrc rootwait=1 LX_MEM=0x7f00000 mma_heap=mma_heap_name0,miu=0,sz=0x200000 mma_memblock_remove=1 highres=off mmap_reserved=fb,miu=0,sz=0x300000,max_start_off=0x7C00000,max_end_off=0x7F00000 mtdparts=nand0:384k@1280k(IPL0),384k(IPL1),384k(IPL_CUST0),384k(IPL_CUST1),768k( UBOOT0),768k(UBOOT1),384k(ENV0),0x20000(KEY_CUST),0x60000(LOGO),0x500000(KERNEL) ,0x500000(RECOVERY),-(UBI) PID hash table entries: 512 (order: -1, 2048 bytes) Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Memory: 114444K/128000K available (4109K kernel code, 362K rwdata, 1956K rodata, 192K init, 216K bss, 11508K reserved, 2048K cma-reserved) Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xc8000000 - 0xff800000 ( 888 MB) lowmem : 0xc0000000 - 0xc7f00000 ( 127 MB) modules : 0xbf800000 - 0xc0000000 ( 8 MB) .text : 0xc0008000 - 0xc040b8b0 (4111 kB) .init : 0xc0628000 - 0xc0658000 ( 192 kB) .data : 0xc0658000 - 0xc06b2858 ( 363 kB) .bss : 0xc06b4000 - 0xc06ea0a8 ( 217 kB) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 Preemptible hierarchical RCU implementation. Build-time adjustment of leaf fanout to 32. RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2. RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2 NR_IRQS:16 nr_irqs:16 16 ms_init_main_intc: np->name=ms_main_intc, parent=gic ms_init_pm_intc: np->name=ms_pm_intc, parent=ms_main_intc ss_init_gpi_intc: np->name=ms_gpi_intc, parent=ms_main_intc Find CLK_cpupll_clk, hook ms_cpuclk_ops arm_arch_timer: Architected cp15 timer(s) running at 6.00MHz (virt). clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1623fa770, max_idle_ns: 440795202238 ns sched_clock: 56 bits at 6MHz, resolution 166ns, wraps every 4398046511055ns Switching to timer-based delay loop, resolution 166ns Console: colour dummy device 80x30 console [ttyS0] enabled Calibrating delay loop (skipped), value calculated using timer frequency.. 12.00 BogoMIPS (lpj=60000) pid_max: default: 4096 minimum: 301 Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok CPU0: update cpu_capacity 1024 CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 Setting up static identity map for 0x20008240 - 0x20008270 CPU1: update cpu_capacity 1024 CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 Brought up 2 CPUs SMP: Total of 2 processors activated (24.00 BogoMIPS). CPU: All CPU(s) started in SVC mode. devtmpfs: initialized VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5 clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns futex hash table entries: 16 (order: -2, 1024 bytes) NET: Registered protocol family 16 DMA: preallocated 256 KiB pool for atomic coherent allocations Version : MVX4##I2M#g#######KL_LX409##[BR:g]#XVM GPIO: probe end[ss_gpi_intc_domain_alloc] hw:42 -> v:45 [MS_PM_INTC] hw:20 -> v:53 [Padmux]reset Pad_44(reg 0x101e0d; mask0xf00) to GPIO(org: TTL_MODE_1) hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. hw-breakpoint: maximum watchpoint size is 8 bytes. SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb Linux video capture interface: v2.00 Bluetooth: Core ver 2.22 NET: Registered protocol family 31 Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Bluetooth: L2CAP socket layer initialized Bluetooth: SCO socket layer initialized clocksource: Switched to clocksource arch_sys_counter NET: Registered protocol family 2 TCP established hash table entries: 1024 (order: 0, 4096 bytes) TCP bind hash table entries: 1024 (order: 2, 20480 bytes) TCP: Hash tables configured (established 1024 bind 1024) UDP hash table entries: 128 (order: 0, 6144 bytes) UDP-Lite hash table entries: 128 (order: 0, 6144 bytes) NET: Registered protocol family 1 hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available workingset: timestamp_bits=30 max_order=15 bucket_order=0 squashfs: version 4.0 (2009/01/31) Phillip Lougher jffs2: version 2.2. © 2001-2006 Red Hat, Inc. fuse init (API version 7.26) io scheduler noop registered io scheduler deadline registered (default) libphy: Fixed MDIO Bus: probed tun: Universal TUN/TAP device driver, 1.6 tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com> RTW: module init start RTW: rtl8723du v5.6.5_31829.20190103_COEX20181130-2e2e RTW: build time: Apr 2 2022 14:56:21 RTW: rtl8723du BT-Coex version = COEX20181130-2e2e RTW: rtw_inetaddr_notifier_register usbcore: registered new interface driver rtl8723du RTW: module init ret=0 usbcore: registered new interface driver asix usbcore: registered new interface driver ax88179_178a usbcore: registered new interface driver cdc_ether usbcore: registered new interface driver net1080 usbcore: registered new interface driver rndis_host usbcore: registered new interface driver cdc_subset usbcore: registered new interface driver zaurus usbcore: registered new interface driver cdc_ncm usbcore: registered new interface driver usbserial usbcore: registered new interface driver usbserial_generic usbserial: USB Serial support registered for generic usbcore: registered new interface driver option usbserial: USB Serial support registered for GSM modem (1-port) mousedev: PS/2 mouse device common for all mice <<-GTP-INFO->> GTP driver installing... [ss_gpi_intc_domain_alloc] hw:50 -> v:60 <<-GTP-INFO->> GTP Driver Version: V2.4<2014/11/28> <<-GTP-INFO->> GTP Driver Built@14:55:38, Apr 2 2022 <<-GTP-INFO->> GTP I2C Address: 0x5d <<-GTP-DEBUG->> [2368]GTP power on. [Padmux]reset Pad_85(reg 0x101e0a; mask0x1) to GPIO(org: IDAC_MODE) <<-GTP-INFO->> Guitar reset ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP i2c test failed time 1. ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP i2c test failed time 2. ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP i2c test failed time 3. ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP i2c test failed time 4. ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x80 0x47 <<-GTP-ERROR->> I2C Read: 0x8047, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP i2c test failed time 5. <<-GTP-ERROR->> I2C communication ERROR! ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x81 0x40 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x81 0x40 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x81 0x40 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x81 0x40 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x81 0x40 <<-GTP-ERROR->> I2C Read: 0x8140, 6 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset <<-GTP-ERROR->> GTP read version failed <<-GTP-ERROR->> Read version failed. ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 <<-GTP-ERROR->> I2C Read: 0x41E4, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 <<-GTP-ERROR->> I2C Read: 0x41E4, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 <<-GTP-ERROR->> I2C Read: 0x41E4, 1 bytes failed, errcode: -110! Process reset. <<-GTP-INFO->> Guitar reset ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 ERROR: Bus[0] in ms_i2c_xfer_write: Slave dev NAK, Addr: 0xba, Data: 0x41 0xe4 <<-GTPWelcome to MYZR-GW-FS myzr login: Welcome to MYZR-GW-FS myzr login: root login[1007]: root login on 'console' client [1051] connected, module:sys DISP width: 800,client [1051] connected, module:disp height: 1280 [MI_SYSCFG_GetPanelInfo 50] eTiming = 4, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 2, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 8, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 9, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 10, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 6, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 7, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 11, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 13, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 12, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 14, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 5, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 3, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 38, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 50, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 40, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 43, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 41, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 44, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 42, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 46, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 50, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 45, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 50, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 22, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 23, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 30, hdmiTx = 1 Not Fund!!! [MI_SYSCFG_GetPanelInfo 50] eTiming = 32, hdmiTx = 1 Not Fund!!! client [1051] connected, module:panel [MI_PANEL_Init][332]LCD environment is Invalid main 162 687 Error: cannot open framebuffer device: No suchclient [1051] disconnected, module:panel client [1051] disconnected, module:disp file or directory client [1051] disconnected, module:sys root@myzr:/opt1
开发板登录
启动系统完后输出“myzr login:”时,可以登录:
【用户名】:root
【密码】:无
注:登录后可以通过“passwd”命令来设置和修改密码。