Introduction to RealTek.pdfVIP

Confidential Jerry Jian An Introduction to Realtek Platform Confidential Agenda ? Code Structure ? Compile – Environment, Bootloader, rlxlinux (Kernel and User app) ? Add Kernel Module and Application ? Making Image ? Flash Memory Layout Confidential Code Structure ? Document.tar.gz image.tar.gz ? rtl819x.tbz2 – boards ? rtl8196c – image (fw.bin, linux.bin, root.bin, webpages-xx.bin, config-xx- 96c.dat) – romfs (file system) ? rtl8198 – config (tools for configuration) – linux-2.6.30 – toolchain – users (applications) – romfs (symbolic link to boards/rtl8196c/romfs) – image (symbolic link to boards/rtl8196c/image) ? rtl819x-bootcode-2.4.tar.gz – boot – btcode – config (tools for configuration) Confidential Compile Environment ? Red Hat Enterprise [Recommend] ? Fedora 9 ? Ubuntu 8.10/9.10 ? Ubuntu 10.04 Confidential Build Bootloader - Cont. ? Add environment variable – for 8196C ? export PATH=/rtl819x/toolchain/rsdk-1.3.6-4181-EB-2.6.30- 0.9.30/bin:$PATH – for 8198 ? export PATH=/rtl819x/toolchain/rsdk-1.3.6-5281-EB-2.6.30- 0.9.30/bin:$PATH ? cd bootcode_rtl8196c_98 ? make menuconfig – for 8196C ? select RTL8196C for 8196c demo board ? select Dram16M_16Mx1_16bit for HW Setting ? select SPI_FLASH for SPI flash demo board, select NOR_FLASH for NOR flash demo board ? select BOOT_SIO_8198_8196C‘ ? select NORMAL for SDRAM demo board, select DDR for DDR memory demo board ? enable LZMA [*] LZMA Enable(Default GZip) ‘ ? enable [*] Boot Code Debug Command Enable ? enable [*] Support reset button feature – you can do command cp def-rtl8196c-config .config before make menuconfig, and it will do the default setting for rtl8196c bootcode. ? make ? The boot.bin is placed in ./btcode Confidential Build Bootloader – Cont. Confidential Build Bootloader Confidential Build rlxlinux - Cont. ? Enter rtl819x directory. ? Configure rlxlinux. – make menuconfig – Do some settings as follows: ? ‘Selected Target’ to choose rtl8196C or rtl8198 supported at present; ? ‘Selected Kernel’