System startup U-Boot 2010.06-svn2938 (Sep 11 2017 - 15:56:18) Check Flash Memory Controller v100 ... Found SPI Nor(cs 0) ID: 0x20 0x70 0x17 Block:64KB Chip:8MB Name:"xm25qh64a" SPI Nor total size: 8MB In: serial Out: serial Err: serial ************Press Ctrl+C to stop autoboot********* 0 Zview # Zview # help ? - alias for 'help' base - print or set address offset bootm - boot application image from memory bootp - boot image via network using BOOTP/TFTP protocol cmp - memory compare cp - memory copy crc32 - checksum calculation ddr - ddr training function download- Download FileSystem by FanCong getinfo - print hardware information go - start application at address 'addr' help - print command description/usage loadb - load binary file over serial line (kermit mode) loady - load binary file over serial line (ymodem mode) loop - infinite loop on address range md - memory display mii - MII utility commands mm - memory modify (auto-incrementing address) mtest - simple RAM read/write test mw - memory write (fill) nm - memory modify (constant address) ping - send ICMP ECHO_REQUEST to network host printenv- print environment variables rarpboot- boot image via network using RARP/TFTP protocol reset - Perform RESET of the CPU saveenv - save environment variables to persistent storage setenv - set environment variables sf - SPI flash sub-system tftp - tftp - download or upload image via network using TFTP protocol unittest- unittest type version - print monitor version Zview # printenv bootargs=console=ttyAMA0,115200 root=/dev/mtdblock1 rootfstype=cramfs init=/linuxrc mtdparts=hi_sfc:256K(uboot),2368K(kernel),3264K(userfs),1728K(webserver),192K(custom),384K(config) bootcmd=setenv bootargs ${bootargs} mem=${osmem};sf probe 0;sf read 0x82000000 0x40000 0x280000;bootm 0x82000000 osmem=43M bootdelay=1 baudrate=115200 ethaddr=00:00:00:00:00:00 ipaddr=192.168.1.254 serverip=192.168.1.252 netmask=255.255.255.0 bootfile="uImage" ptzsupport=1 uid==1;8=617=4>=:912;6>15>03?:65;181321?0181;51704789<96;=5810>6351< stdin=serial stdout=serial stderr=serial verify=n ver=U-Boot 2010.06-svn2938 (Sep 11 2017 - 15:56:18) Environment size: 628/65532 bytes