5.1. Use TFTP to load firmware to DDR

5.1.1. Preparation Before Use

  1. under tftpHost ComputerSoftware:

../_images/image12.png

  1. tftpd64 Tools followingConfiguration:

    • setting , TFTP inofReduce ‘//’ in file path。

../_images/image21.png

  1. Firmware

    • If UseSource Code BuildofFirmware，“sdk/install/soc_ ” Pathunder isupgrade.zipof andrawimagesofFile 。as followsFigure ：

../_images/image3.png ../_images/image4.png

5.SettingsTFTP Software

  • will totftpunder the directory，or UseHost ComputerSoftware“Browse” toFirmwarePath，Pathnot in and etc. 。

  • ClickPC serverof“Show Dir” ，Can beforePathunderofFile。

  • Server interfacesSettingsisLocal HostofNetworkInterface，for example192.168.137.1；

../_images/image5.png

  1. ConfigurationPCand in Network Segment

    • Through PC Ethernet Portand LAN

    • ConfigurationPC ipis192.168.137.1

    • Configuration ipis192.168.137.11

    • ThroughinubootCommand Lineunder followingCommands Settings ip，Executesaveenv Settings：

1     setenv ipaddr 192.168.137.11
2     setenv gatewayip 192.168.137.1
3     setenv serverip 192.168.137.1
4     ...

ipaddr IP，serverip tftp server inPCofIP，gatewayip GatewayAddress。

  1. Tests - inubootunder ping PC ipAddress，underFigureIndicatesCan Communication

1     ping 192.168.137.1
../_images/image6.png

5.1.2. TFTPLoad Firmware

  1. fromtftp under Fileto MemoryAddress

    • tftpunder Firmwareof ， under toDDRMemoryin，is toubootofMemory ，Canfrom0x82000000 Write。

 1     # withemmc  for exampleunder
 2     #  Load Firmwarebeforewillddr  0
 3     mw.b 0x82000000 0 0x2000000
 4     # LoadFiletoDDR，
 5     # CanLoadFileto ，andRefer tounder DDR FileWriteFlash， after Operationunder File
 6     #  CanLoadtoDDRnot ，andRefer tounder DDR FileWriteFlash，PleaseNotenot Memory
 7     tftpboot 0x82000000 fip.bin
 8     # bootetc.FileNeed toUserawimagesunderofFile
 9     tftpboot 0x82100000 yoc.bin
10     tftpboot 0x82280000 boot.emmc
11     tftpboot 0x82580000 rootfs.emmc
12     tftpboot 0x82d80000 cfg.emmc
13     tftpboot 0x83780000 system.emmc

    • IfUseUpgrade inofFirmware Need toDeleteFirmwareofbefore128Bytes (boot.emmcandrootfs.emmc ， rootfs.emmc 128Bytes ， 16M 64Bytesof )

    • UserawimagesFile inofFirmware not Delete