Business Enabled Communications

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Presentation transcript:

Business Enabled Communications Maintenance Business Enabled Communications

System Recovery Memory Structure MG 100/300 have 1 NOR Flash and 1 NAND Flash memories MG 300 has 8Mbyte SRAM and 128Mbyte DRAM Memories MG 100 has 4Mbyte SRAM and 64Mbyte DRAM Memories 512K Boot Image 4M (DSP + Kernel #2) MG300 / 128M MG100 / 128M (Working Memory) MG300 / 8M MG100 / 4M (DataBase) 3520K (DSP+Kernel #1) 124M (Root File System) [8M / 4M SRAM] 64K Environment Area kernet#2 => 공장 backup Root => mp, dsp, driver Working => prompt, sys greeting, upload [4M NOR FLASH] [128M NAND FLASH] [128M / 128M DRAM]

System Recovery Recovery Files To Recover MG completely, it needs 4 Files and TFTP program. 1) Boot image 2) DSP+Kernel #1 image (for NOR Flash) 3) DSP+Kernel #2 image (for NAND Flash, it will be activated when DSP+Kernel#1 in NOR Flash is crashed) 4) Root File System Boot image DSP+Kernel#1 (NOR Flash) DSP+Kernel#2 (NAND Flash) Root File System iPECS-MG300 mpb300.bin 56M_Kernel.rom 56M_kernel.yaffs mg300.yaffs iPECS-MG100 Mpb100.bin 55M_Kernel.rom 55M_kernel.yaffs mg100.yaffs

System Recovery Recovery Files -. TFTP Server Program * Install TFTP Server program on PC and run tftpd32 program (user can download tftp server program from http://tftpd32.jounin.net/) * Set TFTP Server Directory by use the browse button (example: C:\tftp_server) * Store mpb300/100.bin, 56/55M_Kernel.rom, 56/55M_Kernel.yaffs, Mg300/100.yaffs to Server Directory (C:\tftp_server)

System Recovery Procedure -. Connect PC and iPECS-MG with Serial Port -. Turn iPECS-MG on and press [Ctrl+C] as quick as to log in boot mode. MPB300/100-Boot>

System Recovery Procedure -. To check the current system’s boot environment. MPB300/100-Boot> printenv

System Recovery Procedure -. Set IP range of iPECS-MG to 10.10.10.xx and PC to 10.10.10.xx` (We assume that iPECS-MG has 10.10.10.1 and PC has 10.10.10.100) -. Set file name to get from TFTP Server Change IP address of iPECS MG Set Server IP to PC IP Address that hasTFTP server program Set File name to get from PC

System Recovery Procedure -. Apply changed value (commit) MG300-Boot> update select 2 (ARMBoot Env) select 1 (NOR Flash) update press 2 press 1

System Recovery Procedure -. Run TFTPd32 Server from PC -. Copy 4 files to C:\tftp_server

System Recovery Procedure -. Update Boot Image using TFTP MPB300-Boot> update select 0 (ARMBoot) select 1 (NOR Flash) select 1 (TFTP)

System Recovery Procedure -. Update DSP+Kernel#1 to NOR using TFTP MPB300-Boot> update select 4 (Kernel) select 1 (NOR Flash) select 1 (TFTP)

System Recovery Procedure -. Update RootFs to NAND using TFTP MPB300-Boot> update select 3 (RFS) select 2 (NAND Flash) select 1 (TFTP)

System Recovery Procedure -. Update DSP+Kernel#2 to NAND A. Change File Name of Kernel B. Apply Change Value C. Get 56M_Kernel.yaffs from PC D. Revert File Name of Kernel for Kernel#1 A. MPB300-Boot> setenv kernelname 56M_Kenel.yaffs B. MPB300-Boot > update select 2 (ARMBoot Env) select 1 (NOR Flash)

System Recovery Procedure C. MPB300-Boot > update select 4 (Kernel) select 1 (NAND Flash) select 1 (TFTP) D. MPB300-Boot > setenv kernelname 56M_Kernel.rom MPB300-Boot > update select 2 (ARMBoot Env) select 1 (NOR Flash)

System Recovery Procedure -. Reset iPECS-MG System after update 4 files.