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Sitsang-PXA250 Evaluation Platform Linux User Guide

1. ooooooo GR GR Gee ee ee 2 14 Table dil Demo Si EE OE EE AO EN OE EE a EG 2 15 Table 12 Device File Lasts SEE ana 2 15 Table 13 Linux Tool Chain and Source Codes List ee ee ee ee 3 1 Table 14 Kernel Module List oooooooooo ee ER ee ee Re ee ee ee ee ee ee ee ee ee ee ee ee ee 3 3 Sitsang PXA255 Evaluation Platform Linux User s Guide ii Niel e Introduction 1 Introduction This document describes the steps of installing Linux system on Sitsang board with binary release packages and the steps of building the binary packages from scratch Linux distribution version for Sitsang PXA255 Evaluation Platform is Linux 2 4 19 B 1 2 1 which adds more drivers support than previous version and improves the performance of some drivers 11 Supported Drivers Summary USB Client USB Host ISP1161 CF Ethernet Card 802 11b Wireless Network CF Card Accelerometer Sensor Joystick amp Soft button AC97 Recorder amp Line In LCD Controller 640x480 LCD 16bpp display support backlight control Touch Screen ADS7846 support intended to be used in conjunction with tslib from http www arm linux org uk cvs Stereo Audio Product Ethernet support SMC 91C96 IrDA 32 bit Flash EEPROM Real Time Clock RTC OS Timers Interrupt controller Memory Management Unit Serial Port FFUART BTUART Memory controller 1 2 Related Documents Sitsang Linux
2. 2 7 2 5 2 Configuring Redboot on Sitsang board se se se ee RA Re ee ee Ge ee ee ee ee 2 7 2 6 Mounting NFS Partition and RAMES Partition o ooooooooo ee ee ee 2 9 2 6 1 Mounting NFS partition OR EE OE EE N N 2 9 2 6 2 Mounting RAMES partition oooo o oo on 2 9 2 7 Loading OTOPIA Application ooooooWooooo GR Re GR RA RA Re ee Ge ee ee ee 2 9 2 8 USB Client EES hadith Eie EE nana ngga 2 10 2 8 1 Communicating With Cat ee se Se Se eier die ee Ge ee ee ee ee ee ee ee 2 10 2 8 2 Communicating with PPP ooo ee se ee se se Ge GRA GR Gee ee ee ee ee ee Ee 2 11 2 9 USB ok ER N RE N EE OUE EE EA EE 2 11 2 10 Ne EE TEE RR EO nanas 2 12 2 10 1 Record Via microphone pieces NE EE Nee ikan 2 12 2 10 2 une the Volume se ees ER EE N RE EE anakanak 2 12 2 10 3 Set the record SOULCE A ed ma EE OE 2 13 2 10 4 Change the A D and D A frequency o ooooooooo WWW 2 13 2 11 CP Card erna EE NE EE EE eN 2 13 2 12 Redboot Flash Partition Table 4 used kere en FR SR means 2 13 2 12 1 Dual Flash Banks Scheme sie ees eg Melania ep eek seep ede ee geed ese ee 2 14 2 12 2 single Flash Bank Scheme sis kerentanan ee Reed AE ese ER Rd ee DEd GE Ee pe Ede nah 2 14 2 13 IS se de SI EE EE EE ON 2 14 2 14 Backlisht Control Interfaces rises sende baba amanah 2 14 2 15 IRDA ER EE EE bahas EE EE EE OE N 2 15 2 16 Demo ES AE N EE de 2 15 2 17 Device SIERRA MA AE EE OR 2 15 3 Linux for Sifsang from Scratch
3. Load the file system image sitsang fs jffs2 to Sitsang board s SDRAM from host Redboot load r m xmodem b 0xa0800000 Then initiate the file zImage transfer using xmodem as the transfer protocol Please work quickly since the Redboot has a timeout value for loading xmodem data a For HyperTerminal 1 Click Transfer gt send file 2 Select Xmodem in Protocol list and click Browse button to select the sitsang_fs jffs2 file 3 Click Send button to start transferring b For minicom 1 Press key Ctrl A S and use direction key to select xmodem then press ENTER 2 Select the sitsang_fs jffs2 file to upload User can use direction key to move press the space key twice to enter the directory press the space key once to select the file finally user can press enter to confirm the selection and start the transfer OPTIONALLY if TFTP has been started on host Refer section 2 5 for help try the following command Sitsang PXA255 Evaluation Platform Linux User s Guide 2 3 Step 5 Step 6 tel Quick Start Redboot gt load r m TFTP b 0xa0800000 sitsang_fs jffs2 Raw file loaded 0xa0800000 0xa3000000 NOTE 1 For how to setup a TFTP server on Linux please refer to section 2 5 NOTE 2 Sometimes an error may occur when the first time that Sitsang board tries to access LAN in active mode such as to ping other computer from Sitsang board It only happens on some special hosts Workaround Ping the Sitsan
4. PXA255 Evaluation Platform User s guide 1 3 Document Content The following chapters are included in this document 1 Introduction Summary words for this document 2 Quick Start A manual for users to install and use Sitsang Linux on Sitsang PXA255 evaluation Platform 3 Linux for Sitsang from Scratch Building every parts of Sitsang Linux from scratch packages Sitsang PXA255 Evaluation Platform Linux User s Guide 1 1 ntel i Quick Start 2 Quick Start In this document the character and are the command prompts of Linux Operating System of Sitsang PXA255 Evaluation Platform It may be different from some other Linux system Redboot gt is the command prompt of Redboot Please don t be confused with the following command that user needs to input All commands which user needs to input are in Black and Italic font such as cd tmp All messages displayed on the screen automatically are in blue color and Italic font such as RedBoot tm debug environment This chapter contains Section 2 1 Dependence Section 2 2 Cable Connection Section 2 3 Linux Loading Steps Section 2 4 Network Configuration Section 2 5 Configuring User s Development Environment for TFTP Download Section 2 6 Mounting NFS Partition and RAMFS Partition Section 2 7 Loading QTOPIA Application Section 2 8 USB Client Section 2 9 USB Host Section 2 10 AC97 Section 2 11 CF Card Section 2
5. Sitsang PXA255 Evaluation Platform Linux User s Guide 2 15 intel e Linux for Sitsang from Scratch 3 Linux for Sitsang from Scratch This chapter describes the development of Linux operating system for the Sitsang PXA255 Evaluation platform A host pc running RedHat Linux 7 2 or Mandrake Linux 7 2 is necessary and a sound knowledge of the Linux operating system and C programming language is required for using this document effectively This chapter contains Section 3 1 Dependence Section 3 2 Installing the tool chain Section 3 3 Building Redboot from source code Section 3 4 Building Linux kernel from source code Section 3 5 Creating a JFFS2 file system image 3 1 Dependence File Name Description xscale arm linux Tools for cross compile toolchain tgz P Tool hain gnupro bin glibc2 2 4 tgz Binary package for gnupro tool mkfs jffs2 JFFS2 make file system utility RedBoot Intel tgz Source code of Redboot porting on sitsang linux 2 4 19 tar bz2 Linux source code from www kernel org The necessary patchs for Sitsang board includes the following three patches Source Code patch 2 4 19 rmk4 gz patches by Russell King n aa NE SE SEE en Nicolas Pitre diff 2 4 19 rmk4 pxa2 alvin2 sitsang fs tgz Root file system source code Table 13 Linux Tool Chain and Source Codes List patches by Alvin Tang NOTE 1 This document assumes that user copy all source
6. Then make user s change and run mkfs jffs2 to create the new JFFS2 file image So Imkfs jffs2 r home sitsang tmp sitsang_fs o sitsang_fs_test jffs2 e 0x40000 pad 0x02800000 NOTE 1 The parameter pad specify the size of the file system image NOTE 2 pad 0x02800000 switch generates a padded 40mb image to avoid those pesky JFFS2 Erase block warning messages at kernel boot up and user can set other length value NOTE 3 For using both flash banks the maximum size of the file system image can be 61M 0x03D00000 For using only one flash bank the maximum size of the file system image can be 29M 0x01D00000 Sitsang PXA255 Evaluation Platform Linux User s Guide 3 4 intel e Linux for Sitsang from Scratch Sitsang PXA255 Evaluation Platform Linux User s Guide 3 5
7. locate the line REDBOOT SRC home alvin workcvs RedBoot Intel src and change the path to match user s installation as follows REDBOOT SRC home sitsang RedBoot Intel src Repeat this step for all of the absolute paths The relative paths need not be changed Configure the redboot build option Locate the section of cdl option CYGBLD GLOBAL CFLAGS in RedBoot Intel src packages hal arm cotulla sitsang current cdl hal arm sitsang cdl For two flash banks version make sure default value is default value Wall Wpointer arith Wstrict prototypes Winline Wundef Woverloaded virtual g O2 fno rtti fno exceptions fvtable gc finit priority mapcs frame For using only one flash bank default_value should be default_value DSITSANG_FLASH_SINGLE_BANK Wall Wpointer arith Wstrict prototypes Winline Wundef Woverloaded virtual g O2 fno rtti fno exceptions fvtable gc finit priority mapcs frame J linux bid redboot Run the build to completion There are some warnings caused by some source files which intel never modified These warnings can be safely ignored The resulting binary file is tedboot bin which is stored in Jrelease redboot install bin redboot bin The binary image redboot bin is in absolute binary format that is suitable for flashing via the JFlash utility or burning with an off board ROM burner to memory location 0x0 Building Linux Kernel from Source Code Untar the Linux kernel sourc
8. or vi can be used to edit these files edit is more easy to use for new Linux users For how to use edit or vi please refer to the help document of them User can input the following command to edit the file edit etc sysconfig network or Jo vi etc sysconfig network After user configuring the network restart the network service by entering letc rc d init d inet stop letc rc d init d inet start OPTIONALLY user can add user s DNS entries in etc resolv conf TIP 2 DHCP is supported for dynamic IP allocation now If the BOOTPROTO is dhcp the IPADDR NETMASK BROADCAST and GATEWAY won t be used because DHCP client can get this information from DHCP server Sitsang PXA255 Evaluation Platform Linux User s Guide 2 6 intel Quick Start 2 5 Configuring User s Development Environment for TFTP Downloading 2 5 1 Configuring TFTP server for RedHat Mandrake Linux on host TFTP server is used for image downloading to Sitsang board The recommend version is 0 29 or higher The bound TFTP server version with Mandrake 8 0 may cause transfer error To enable TFTP on RedHat v6 1 Step 1 Uncomment the following line in the file etc inetd conf tftp dgram udp wait root usr sbin tcpd in tftpd Step 2 Create the TFTP default directory mkdir tftpboot Step 3 Copy the necessary files to tftpboot Fo cp sitsang_fs jffs2 zImage tftpboot Step 4 Restart inetd server killall HUP inetd To enable TFTP on RedHa
9. AC97 User can use some GUI applications in OTOPIA to play divx video stream or mp3 audio file Moreover some audio related applications based on text mode are supplied in this distribution User can use these applications to play raw wav file record and tune the volume 2 10 1 Record via microphone Plug the LINE OUT and MIC IN cables into the connectors of the Sitsang board Jocat dev dsp gt tmp a wav Say something by microphone and use CTRL C to terminate it V VV The recorded sound is saved as a raw wave file a wav in the tmp directory User can play this file by the typing the following command gt cat tmp a wav gt dev dsp 2 10 2 Tune the volume gt Query the volume of AC97 codec Jomixer option Here option can be one of the items vol pem speaker line mic and igain For example user can use the following command to query the current volume of mic mixer mic Tune the volume of AC97 codec Jomixer option value Here option may be one of these items vol pcm speaker line mic and igain value is the setting of volume which ranges from 0 to 100 For mic please refer to the following table mic volume 10db booster 20db booster mute 0 0 0 1 1 100 0 0 0 101 200 1 0 0 201 300 0 1 0 301 400 1 1 0 Table 7 Mic Volume Setting List For example user can use the following command to set the volume of dual channels of line in to 60 100 Yom
10. way to stop OTOPIA is just for the sake of debugging Sometimes the system can t be rebooted successfully after doing this command The right way to stop or reboot OTOPIA is explained in NOTE 1 NOTE 1 If the OTOPIA is running user should use the Setting gt Shutdown application in OTOPIA to stop OTOPIA or reboot it NOTE 2 If user wants to write user s own OTOPIA application please refer to http gpe sourceforge net or http www trolltech com USB Client Most of the USB client drivers are compiled as Linux kernel module so user needs to update the modules when updating the Linux kernel The following is the module list reguired by USB Client Kernel Module Name Description Location in Sitsang File System ed EG Core support for USB lib modules 2 4 19 rmk4 pxa2 device alvin2 kernel drivers usb device usbdcore o serial Kala USB device serial Nib modules 2 4 19 rmk4 pxa2 function support alvin2 kernel drivers usb device serial fd serial fd o pxa_bi o Seat for lib Mean ies PXA255 alvin2 kernel drivers usb device bi pxa_bi o bsd conp PPP BSD lib modules 2 4 19 rmk4 pxa2 7 j Compression alvin2 kernel drivers net bsd comp o PPP support for async lib modules 2 4 19 rmkd pxa2 ppp async o serial ports alvin2 kernel drivers net ppp_async o PPP Deflate Nib modules 2 4 19 rmk4 pxa2 Ba aa ie n compression alvin2 kernel drivers net ppp deflate o Table 5 Module List for USB Cli
11. 00000 data a0200000 size 40000 Unlock from 0x03fc0000 0x04000000 block 3fc0000 block size AOOO BIERE mna tem muak aman se Erase From 0x03fc0000 0x04000000 EE mna maa Program from Oxa3fb0000 0xa3ff0000 at 0x03fc0000 addr 3fc0000 data a3fb0000 size 40000 se Lock from 0x03fc0000 0x0 4000000 ee SE AE mam RedBoot gt fis list Name FLASH addr Memaddr Length Entry point RedBoot 0x00000000 0x00100000 0x00040000 0x00000000 RedBoot config 0x03F80000 0x03F80000 0x00040000 0x00000000 FIS directory 0x03FC0000 O0x03FC0000 0x00040000 0x00000000 JFFS2 0x00200000 0x00200000 0x02800000 0x00000000 linux 0x00100000 0xA0200000 0x00100000 0x00000000 NOTE If you employ single bank scheme the burn commands is same as dual bank scheme The output of fis list is different Every time board RESET or power up start up the kernel with the following Redboot commands Redboot gt fis load linux Redboot gt go 0xa0200000 Tip User can save these commands in flash as auto run scripts to avoid typing them every time Please refer to section 2 5 2 for help User should see the following messages on the terminal emulator Uncompress rie Laba mma mamak masa lt kernel displays a lot of debug messages gt Linux login root root Linux root NOTE It may take longer time for the first time the kernel boot up because some unused flash blocks should be erased at that time Subsequent kernel boot should be quicker When Linux i
12. 12 Redboot Flash Partition Table Section 2 13 Accelerometer Sensor Section 2 14 Backlight Control Interface Section 2 15 IrDA Section 2 16 Demo List Section 2 17 Device File List 2 1 Dependence 2 1 1 Software Resources Linux system of Sitsang PXA255 evaluation board includes following images Flash Bank Capability File Name Description redboot bin Boot loader Dual Bank sitsang fs jffs2 Root file system for Linux zImage Linux kernel redboot single bin Boot loader Single Bank sitsang fs single jffs2 Root file system for Linux ziImage single Linux kernel Table 1 Linux Binary Packages List NOTE 1 User can find all the files in the BSP disc for Sitsang board NOTE 2 This version Redboot extends the available flash space size for user It enables the selection between using two flash banks and using only one flash bank There are two Redboot binary images in this distribution One is redboot bin which uses both flash banks on Sitsang board and the other is redboot single bin which uses only one flash bank on Sitsang The single bank version Linux makes it possible that two different operating systems can be burned in Sitsang board s two banks respectively As a result there are also two Linux kernel binary images correspond to the two Redboot binary images which are named zImage and zImage single Refer to Section 2 12 for details The installation process
13. 2 168 1 1 GDB connection port 0 9000 Network debug at boot time false false Update Redboot non volatile configuration are you sure y n y Unlock from 0x03f80000 0x03fc0000 Erase from 0x03f80000 0x03fc0000 Sitsang PXA255 Evaluation Platform Linux User s Guide 2 8 ntel i Quick Start Program from 0xa000bd78 0xa000c178 at 0x03f80000 Lock from 0x03f80000 0x03fc0000 2 6 Mounting NFS Partition and RAMFS Partition The Network File System NFS was developed to allow machines to mount a disk partition on a remote machine as if it were on a local hard drive This allows for fast seamless sharing of files across a network A RamDisk is a portion of memory that can be allocated to use as a partition Or in other words it takes some of user s memory and can be treated as a hard drive that user can format mount save files etc The RAMFS is the file system for RamDisk 2 6 1 Mounting NFS partition Detailed information for setting up user s NFS server and client can be obtained at http www linuxdoc org HOWTO NFS HOWTO 2 6 1 1 Setting up an NFS server Step 1 Edit the file etc exports to share a volume home fileserver senter Sitsang board s ip address here gt rw no_root_squash Step 2 Initialize NFS services RedHat 6 1 and above letc rc d init d nfs stop letc rc d init d nfs start NOTE User may optionally follow the instructions in the NFS HOWTO Step 3 After modifying the etc ex
14. Sitsang PXA255 Evaluation Platform Linux User s Guide September 2003 INTE History Date Description Owner September 2003 Update Manual for Sitsang PXA255 Linux Version Liu Kent February 2003 Initial official Manual of pxa250 gcc 2 95 3 version Alvin Tang Information in this document is provided in connection with Intel products No license express or implied by estoppel or otherwise to any intellectual property rights is granted by this document Except as provided in Intel s Terms and Conditions of Sale for such products Intel assumes no liability whatsoever and Intel disclaims any express or implied warranty relating to sale and or use of Intel products including liability or warranties relating to fitness for a particular purpose merchantability or infringement of any patent copyright or other intellectual property right Intel products are not intended for use in medical life saving or life sustaining applications Intel may make changes to specifications and product descriptions at any time without notice Designers must not rely on the absence or characteristics of any features or instructions marked reserved or undefined Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them The Sitsang PXA255 Evaluation Platform may contain design defects or errors known as errata whi
15. amed test from Sitsang A to Sitsang B Sitsang B irxfer Sitsang A irxfer testfile The file testfile will be saved in the directory tmp on Sitsang B It is same to transfer files between Sitsang and general purpose PC via IrDA connection 2 16 Demo List There are some demo applications in QTOPIA shipped with this release Application Icon in QTOPIA Description Ball A game of Accelerometer Sensor Demo Dr Z video Player MPEG 4 DIVX video player MPEG Player Play a mp3 or MPEG 1 file Web Browser A Web browser Kongueror Embedded XMMS A winamp like player support mp3 MPEG 1 files ShoutCAST audio stream media Table 11 Demo List 2 17 Device File List The following table lists all device files for all kinds of drivers supported in the distribution File name Device Type Major Number Minor Number Description dev acce Char 10 241 Accelerometer Sensor dev input event0 Char 13 64 Joystick amp Softbutton dev input event1 Char 13 65 ADS7846 TouchScreen dev ttyUSBO Char 188 0 USB Client Serial Driver dev ttyUSB1 Char 188 1 USB Host Serial Device 1 dev ttyUSB2 Char 188 2 USB Host Serial Device 2 dev ttySO Char 4 64 FFUART dev ttyS 1 Char 4 66 BTUART dev dsp0 Char 14 3 AC97 OSS Driver dev mtdblock3 Block 31 3 File System Partition dev ledctrl Char 254 Dynamic 0 LCD Backlight Control Table 12 Device File List
16. ch may cause the product to deviate from published specifications Current characterized errata are available on request MPEG is an international standard for video compression decompression promoted by ISO Implementations of MPEG CODECs or MPEG enabled platforms may require licenses from various entities including Intel Corporation Chips Intel Intel logo Intel Inside Intel Inside logo Intel SpeedStep Intel StrataFlash Intel XScale are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries Other names and brands may be claimed as the property of others Sitsang PXA255 Evaluation Platform Linux User s Guide i ntel j Contents Contents 1 Introduction una aan naa 1 1 1 1 Supported Drivers SUMMALY ooo oooWo Woman 1 1 1 2 Related Documents Hi hangus nuansa 1 1 1 3 Document Contents tees SE See nada esa 1 1 2 Quick did EE Ok EE NE OE ads saman aan EE 2 1 2 1 Bv GEE OE OE RE EE EE EO EE EE anna 2 1 2 1 1 Software ResouTC S sit ESE EE ms enam 2 1 2 1 2 Hardware RESOUTCES 0 EE asem nama 2 2 2 2 Cable Connection inene ainun sauna an 2 2 2 3 Linux Loading Steps eane ER EE ema naa 2 2 2 4 Network Configuration cece se se se r ee Ge Se GR Re GR RA RA Gee ee be ee ee ee r 2 6 2 5 Configuring User s Development Environment for TFTP Downloading 2 7 2 5 1 Configuring TFTP server for RedHat Mandrake Linux on host
17. code packages to the directory tmp and user s install target directory is home sitsang Please change them to fit user s own system Create the install target directory mkdir p home sitsang NOTE 2 Here is the command prompt of Linux operating system User can find all the files in the BSP disc for Sitsang board NOTE 3 Root privilege is required to do the following steps 3 2 Installing the Tool Chain Step 1 Untar and install the xscale arm linux toolchain cd tar zxvf xscale arm linux toolchain tgz After installation the arm linux cross compile tool is in the directory usr local arm linux bin Step 2 Add user s relative path to user s PATH setting Sitsang PXA255 Evaluation Platform Linux User s Guide 3 1 Step 3 3 3 Step 1 Step 2 Step 3 Step 4 3 4 Step 1 tel Linux for Sitsang from Scratch For bash user Jo echo export PATH usr local arm linux bin PATH gt gt bashrc source bashre For csh user echo setenv PATH usr local arm linux bin PATH gt gt cshre Jo setenv PATH usr local arm linux bin PATH Untar the gnupro binary package cd usr Fo tar zxvf tmp gnupro bin glibc2 2 4 tgz Building Redboot from Source Code Uncompress the Redboot source code cd home sitsang tar zxvf tmp RedBoot_Intel tgz cd RedBoot_Intel Edit the script file named linux bld redboot to make the paths match user s installation For example
18. d in arch arm boot zImage There are some result modules after make modules Module Name Description Location in Sitsang File System usbdcore o Core support for USB device drivers usb device usbdcore o serial_fd o USB device serial function support drivers usb device serial_fd serial_fd o pxa_bi o Seer ia EE g pone dot drivers usb device bi pxa_bi o bsd_comp o PPP BSD Compression drivers net bsd_comp o Ppp_async o PPP support for async serial ports drivers net ppp_async o ppp_deflate o PPP Deflate compression drivers net ppp deflate o usbserial o USB serial converter support driver usb serial usbserial o 8390 0 NE2000 Ethernet basic routines driver net 8390 0 pcnet_cs o NE2000 compatible PCMCIA support driver net pcmcia pcnet_cs o Table 14 Kernel Module List Sitsang PXA255 Evaluation Platform Linux User s Guide 3 3 intel Linux for Sitsang from Scratch 3 5 Creating A JFFS2 File System Image User may use the following files to build a JFFS2 file image gitsang fs tgz root file tree mkfs jffs2 JFFS2 make file system utility The mkfs jffs2 binary executable utility included with this distribution has been tested on RedHat Linux v7 2 and Mandrake Linux v7 2 First create a temporary subdirectory and expand the root file system into it cd home sitsang mkdir tmp cd tmp tar xvzf tmp sitsang_fs tgz cd cp tmp mkfs jffs2 chmod 755 mkfs jffs2
19. e downloaded from ftp kernel org Jo cd home sitsang Sitsang PXA255 Evaluation Platform Linux User s Guide 3 2 intel e Linux for Sitsang from Scratch tar xvzf tmp linux 2 4 19 tar gz If the Linux kernel source was compressed with bzip2 use the following command to unzip it Yo bzip2 dc tmp linux 2 4 19 tar bz2 tar xvf Step 2 Create symbol link Fo In s linux 2 4 19 linux Step 3 Apply the whole patch package gzip dc tmp patch 2 4 19 sitsang2 gz patch p0 Then go to the next step to build linux kernel for Sitsang board Optionally user can apply the three patches by himself a Apply Russell s arm linux patches Yo gzip dc tmp patch 2 4 19 rmk4 gz patch p0 b Apply Nicolas Lubbock Linux patches Yo gzip dc tmp diff 2 4 19 rmk4 pxa2 gz patch p0 e Apply Sitsang board patches Designed by Alvin cat tmp diff 2 4 19 rmk4 pxa2 alvin2 patch p0 Step 4 Configure kernel Fo cd home sitsang linux make sitsang config make oldconfig Step 5 Select both flash banks scheme or single flash bank scheme make menuconfig Find configure option Memory Technology Devices MTD gt Mapping drivers for chip access gt Sitsang uses single flash bank For both flash banks scheme leave it blank for single flash bank scheme select it Step 6 Build the kernel after patching make dep Yo make zImage Build the kernel modules make modules The result binary is image and is store
20. e refer to Sitsang PXA255 Evaluation Platform User s Guide User can use Jflash for Linux to burn the redboot bin into Sitsang Board Flash Bank 0 by inputting the following commands gt Copy the Jflashmm linux to current directory gt chmod 755 Jflashmm linux gt Jflashmm linux sitsang redboot bin NOTE If you install single bank RedBoot into board replace redboot bin with redboot_single bin Start user s favorite terminal emulator on host such as HyperTerminal in Windows or minicom in Linux The default settings should be Item Setting Bit Per Second bps 115200 Data Bits 8 Parity None Stop bit 1 Flow Control software amp hardware None Emulation VT100J or VT102 Table 3 Settings of the HyperTerminal or minicom Reset Sitsang board the following information is displayed on terminal emulator ARM eCos RedBoot tm debug environment built 04 52 36 Dec 4 2002 Platform Intel R Sitsang Development Platform RedBoot Debug Monitor Copyright C 2000 Red Hat Inc Sitsang PXA255 Evaluation Platform Linux User s Guide 2 2 Step 3 Step 4 tel j Quick Start RAM 0xa0000000 0xa4000000 FLASH 0x00100000 0x04000000 128 blocks of 0x00040000 bytes each FLASH configuration checksum error or invalid key LAN91C96 The current MAC address is 00 5B 38 BF 33 40 Can t get BOOTP info network disabled RedBoot gt For the first time of running RedBoot on Sitsa
21. ent For compatible reason only Linux host PC can communicate with Sitsang board through USB client The Linux distribution running on Linux host PC is Mandrake 8 0 2 8 1 gt Host PC Communicating with Cat If the Linux distribution is Mandrake user need do the following command to ensure USB service is running For Redhat it is unnecessary Sitsang PXA255 Evaluation Platform Linux User s Guide 2 10 ntel 2 Quick Start Ioletc rc d init d usb restart Then load the usbserial module This step is reguired for all Linux distributions modprobe usbserial vendor 0x8086 product 0xA6CD gt Sitsang bin usbclient start gt Cat with ttyUSBO Re plug the USB cable now the USB client led will light Host PC side cat dev ttyUS BO Sitsang side cat etc passwd gt dev ttyUSBO Replug the USB cable Sitsang side cat dev ttyUSBO Host PC side cat etc passwd gt dev tty USB0 NOTE If user uses the other Sitsang Board as USB Host the USB device file for USB host is dev ttyUSB 1 instead of dev ttyUSBO 2 8 2 Communicating with PPP Using the usbserial driver user can setup ppp server gt Host PC side pppd dev tty USB0 noauth 192 168 1 1 192 168 1 100 NOTE Here 192 168 1 1 is the IP address for Host PC 192 168 1 100 is the IP address for Sitsang board gt Sitsang side pppd dev tty USB0 defaultroute usepeerdns Warning User must finish the above commands quickly to avoid p
22. er can open this device file and read the data from it Refer to the source code in Linux Kernel drivers misc accelerometer c for programming help User can make the device file manually by the following command Yomknod dev acce c 10 241 2 14 Backlight Control Interface The brightness of LCD s backlight can be controlled by the generic LCD control interface The device file for backlight control is dev lcdctr whose major number is dynamic assigned and the default value is 254 User can open the device file then adjust the brightness by system call ioctl The ioctl command numbers are defined in the head file video lcdctl h kernel version 2 4 19 or highe For example the following code will set the brightness to 50 of maximal brightness unsigned int value 50 the value is the percent of maximal brightness ranging from 0 to 100 int fd open dev lcdctrl O WRONLY ioctl fd LCDCTRL_IOCTL_BRIGHTNESS value Sitsang PXA255 Evaluation Platform Linux User s Guide 2 14 ntel Quick Start 2 15 IRDA Sitsang supports both SIR and FIR IrDA is a network device User may use ifconfig to control the IrDA device For example to turn on the IrDA device ifconfig irda0 up To turn off the IrDA device use ifconfig irda0 down There is an application irxfer to transfer files The other side may be another Sitsang board or an IrDA enabled general purpose PC For example to send a file n
23. er s own network user can set a unique MAC address for the Ethernet card Redboot gt set mac address lt 6 byte hex value i e 004e21234567 gt Reboot the Sitsang board and reset the Redboot ARM eCos RedBoot tm debug environment built 04 52 36 Dec 4 2002 Platform Intel R Sitsang Development Platform RedBoot Debug Monitor Copyright C 2000 Red Hat Inc RAM 0xa0000000 0xa4000000 FLASH 0x00100000 0x04000000 128 blocks of 0x00040000 bytes each LAN91C96 The current MAC address is 00 5B 38 BF 33 40 IP 192 168 1 100 Default server 192 168 1 1 RedBoot gt Redboot gt reset ARM eCos RedBoot tm debug environment built 04 52 36 Dec 4 2002 Platform Intel R Sitsang Development Platform RedBoot Debug Monitor Copyright C 2000 Red Hat Inc RAM 0xa0000000 0xa4000000 FLASH 0x00100000 0x04000000 128 blocks of 0x00040000 bytes each LAN91C96 The current MAC address is 00 5B 38 BF 33 40 IP 192 168 1 100 Default server 192 168 1 1 2 5 2 2 Configuring the boot script for Redboot User can set the boot script to auto run some commands when Redboot starts up Redboot gt fconfig Run script at boot false true Boot script Enter script terminate with empty line gt gt fis load linux gt gt go 0xa0200000 gt gt Boot script timeout 1000ms resolution 05 Use BOOTP for network configuration false false Local IP address 0 0 0 0 192 168 1 100 Default server IP address 0 0 0 0 19
24. g board from host or use HUB SWITCH to connect host and Sitsang board NOTE 3 After Step 4 the image is in Sitsang board s SDRAM If user powers off the Sitsang board all contents in SDRAM will loss Please finish step 5 before powering off NOTE 4 It takes about 2 hours to transfer the sitsang_fs jffs2 with xmodem protocol Please make sure the charger is plugged during transfer And it takes about 5 minutes to transfer with TFTP protocol Please drink a cup of tea NOTE 5 If you employ single bank scheme replace the file sitsang fs iffs2 with sitsang_fs_single jffs2 NOTE 6 If you reprogram a board with dual bank scheme after programming as single bank you should unlock flash manually using this command Redboot gt fis unlock f 0x00200000 1 0x02800000 Burn the downloaded file system image into flash from SDRAM and verify flash partition Redboot gt fis create JF FS2 b 0xa0800000 1 0x02800000 f 0x00200000 w Erase from OXQ0200000 QX02nO00QU esse sees SR EER SES ERK EE sonics ths Program from 0xa0800000 0xa3000000 at 0x00200000 addr 200000 data a0800000 size 40000 Unlock from 0x03fc0000 0x04000000 block 3fc0000 block size OOOO DEIRIS pis EE OE w Erase from 0Ox037c0000 OXOF000Q00 se EE EREGAS KA EES AE maan Program from 0xa3fb0000 0xa3ff0000 at Ox03fc0000 see addr 3fc0000 data a3fb0000 size 40000 Lock from 0x03fc0000 0x04000000 Redboot gt fis list Name FLASH addr Me
25. i s is se ERGER S ER eN Se REED ED Tea Ge beb nanang de Se gese ee EE 3 1 3 1 BE US AE EE EA EN 3 1 3 2 Installing the Too Chain 4 0 dn RARR rrea Se BEE EE ED ORE sstnsnsvenesenssgesasescedsstnsscotaseseeesseess 3 1 3 3 Building Redboot from Source Code oooooooo oo Ge GR RA RA Gee ee Ge ee ee ee ee 3 2 3 4 Building Linux Kernel from Source Code oooo oo ola 3 2 3 5 Creating A JFFS2 File System Image scrie ieie esse esse ee ee se Gee GR RA GRA Gee ee be ee ee ee ee 3 4 Sitsang PXA255 Evaluation Platform Linux User s Guide i ntel i Tables Tables Table 1 Linux Binary Packages List iese sesse ee ee ee se ee ee Re Ge Re AA E ee be ee Re ee ee a 2 1 Table 2 Hardware TISt 4 251 EE SENAR ee tae ou RE ee ee ge ee Se Oe Re ee ee nun 2 2 Table 3 Settings of the HyperTerminal or Minicom esse ese ee se se GR RA GR GR Gee Gee Ge ee ee ee 2 2 Table 4 Frequency configuration based on the value of ST oooo oooooWoWoooo oo 2 6 Table 5 Module List for USB Client sanesas Re ee ee ee ee ee ee ee Ee ee ee ee ee ee ee ee Ee 2 10 Table 6 Module List for USB HOSE ee ee ee ee ee ee ee ee Re WWW XXX 2 11 Table 7 Mic Volume Setting LISE eee se Se Se RR a Ge ee ee ee ee Se GR Re GR Re K Er Gee ee ee 2 12 Table 8 Module Last for CE Card 5 nan Gee r au ea mak 2 13 Table 9 Two Flash Banks Scheme Partition Table of Redboot ooooccccc 2 14 Table 10 Single Flash Bank Partition Table of Redboot
26. ixer line 60 Or set the volume of left channel to 10 and right channel to 80 Jomixer line 10 80 For mic because it is a mono source there is only one volume channel NOTE The mute bit of any volume will be set only if the value option is 0 or 0 0 Otherwise for example the value option is 0 80 will only set the left channel volume to 0 For the volumes of record sources such as mic line and pem 0 means gain level is 12DB while as to the volumes of vol speaker and igain 0 means gain level is ODB Please refer to the CS4201 data sheet for more details Sitsang PXA255 Evaluation Platform Linux User s Guide 2 12 ntel a Quick Start 2 10 3 Set the record source gt Query the current record source mixer rec gt Add a record source mixer rec option Here option can be one of the following items vol pem speaker line mic and igain For example user can use the following command to select mic as the record source mixer rec mic NOTE CS4201 supports only one record source at any time There are two record sources used on Sitsang mic and line 2 10 4 Change the A D and D A frequency There are some A D and D A in the audio codec CS4201 The sample frequency can be set by using speed tool The valid sample frequency is one of the following 8000 11025 16000 22050 32000 44100 and 48000 Any other value in the range of 8000 to 48000 will be adjusted to the closest one of the 7 values mentioned above Fo
27. maddr Length Entry point RedBoot 0x00000000 0x00100000 0x00040000 0x00000000 RedBoot config 0x03F80000 0x03F80000 0x00040000 0x00000000 FIS directory 0x03FC0000 O0x03FC0000 0x00040000 0x00000000 JFFS2 0x00200000 0x00200000 0x02800000 0x00000000 NOTE 1 It takes about ten minutes to complete this step NOTE 2 If you employ single bank scheme the parameters is a little different Use this command Redboot gt fis create JFF S2 b 0xa0800000 I 0x01c00000 f 0x00200000 Type the following command to download the kernel image to Sitsang board s SDRAM from host Redboot gt load r m xmodem b 0xa0200000 Instruct user s terminal emulator to initiate the file zImage transfer using xmodem protocol Sitsang PXA255 Evaluation Platform Linux User s Guide 2 4 Step 7 Step 8 tel Quick Start Refer to Step 4 for details OPTIONALY if user s environment is configured for TFTP download try the following command Redboot gt load r m TFTP b 0xa0200000 zImage Raw file loaded 0xa0200000 Oxa02c761c NOTE If you employ single bank scheme only replace zImage with zImage_single After the kernel image has been successful transferred from host to Sitsang board s SDRAM burn the downloaded kernel image onto flash and verify flash partition Redboot gt fis create linux b 0xa0200000 I 0x00100000 f 0x00100000 r 0xa0200000 w Erase from Ox0U100000 0x00 2 KA GO EE Program from 0xa0200000 0xa0300000 at 0x00100000 addr 1
28. ng board after burning there might be an error message FLASH configuration checksum error or invalid key It will disappear after Redboot configuration RedBoot configuration help can be got from section 2 5 2 Initialize the flash on Sitsang board Enter commands in the terminal emulator as follows RedBoot gt fis init About to initialize format FLASH image system are you sure y n y Initialize FLASH Image System Warning device contents not erased some blocks may not be usable Unlock from 0x03fc0000 0x04000000 block 3fc0000 block size 40000 blocks Erase from 0x03fc0000 0x04000000 addr 3fc0000 data a3fb0000 size 300 Program from 0xa3fb0000 0xa3fb0400 at 0x03fc0000 Lock from 0x03fc0000 0x04000000 Then user can use fis list command to see flash partitions list Enter the following commands in the terminal emulator RedBoot gt fis list Name FLASH addr Memaddr Length Entry point RedBoot 0x00000000 0x00100000 0x00040000 0x00000000 RedBoot config 0x03F80000 0x03F80000 0x00040000 0x00000000 FIS directory 0x03FC0000 0x03FC0000 0x00040000 0x00000000 NOTE 1 Since the Linux kernel binary image shipped with this release is configured with kernel command string root dev mtdblock3 it may fail to load root fs if the number of entries in the Redboot flash file system does not match the list above NOTE 2 If you installed single bank RedBoot the message is different Refer 2 12 for help
29. of both dual bank and single bank is almost identical except some small adjustment of command line parameters Sitsang PXA255 Evaluation Platform Linux User s Guide 2 1 ntel j Quick Start 2 1 2 Hardware Resources In order to using debugging the Linux system of Sitsang PXA255 evaluation board below hardware components are required 2 2 2 3 Hardware Power Supplier Bi direction 9 pin COM port cable for BTUART Bi direction JTAG cable for FFUART Cross over Ethernet cable Desktop PC running Windows or Redhat Mandrake Linux 7 2 named host Sitsang PXA255 Evaluation Board named Sitsang board Table 2 Hardware List Cable Connection a Connect power supplier to the Sitsang board and ensure power is provided b Connect JTAG cable between host and Sitsang board Refer to Sitsang PXA255 Evaluation Platform User s Guide for JTAG cable connection c Connect one end of 9 pin cable to J21 JTAG FFUART Port and the other end to the host s serial port d Connect Ethernet cross cable between host and the Sitsang board Linux Loading Steps This section describes how to load Linux into Sitsang board The example is for dual bank scheme and the instructions for single bank scheme can be found in NOTE section Step 1 Step 2 Burn redboot bin into flash starting at 0x0000_0000 from host to Sitsang board User may use the Jflash utility for Sitsang For how to use Jflash for Windows pleas
30. ports file execute the following command exportfs rav 2 6 1 2 Setting up an NFS client Yo mount o nolock senter NFS server s ip address here gt home fileserver mnt 2 6 2 Mounting RAMFS partition System mounts a ramfs file system on tmp when booting by default User can mount another ramfs file system on other mount point as following mkdir p ram1 mount t ramfs none raml 2 7 Loading QTOPIA Application Step 1 If it is the first time to run the QTOPIA application user may set the touch screen calibration values Joletc rc d init d gtopia stop Yo usr qpe bin ts_calibrate xres 640 yres 480 Top left X 3490 Y 621 Top right X 3482 Y 3490 Bot right X 698 Y 3411 Bot left X 709 Y 613 Sitsang PXA255 Evaluation Platform Linux User s Guide 2 9 intel Step 2 2 8 Quick Start Middle X 2063 Y 1998 59 825392 0 003002 0 190514 526 058573 0 136547 0 000442 Calibration constants 3920716 196 12485 34475774 8948 28 65536 NOTE Please verify the values of X and Y for each point The X value of two top points or two bottom points should be almost same The Y value of two left points or two right points should be almost same The X and Y of Middle point should be about 2000 etc rc dfinit d qtopia start Or go to Step 2 directly Run and stop the QTOPIA demo application manually Run Fo letc rc d init d gtopia start Stop letc rc d init d gtopia stop This
31. ppd s timeout Now user can ping Sitsang board from Host PC or ping Host PC from Sitsang via ppp connection on USB NOTE If user uses one Sitsang board as Host and another Sitsang board as Client The USB Host device is dev ttyUSB 1 instead of dev ttyUSBO for Sitsang Host 2 9 USB Host Only USB keyboard and mouse drivers are compiled in the Linux kernel by default If user wants to support more USB device please recompile the kernel and select the kernel options for customized device Please refer to Section 3 for building Linux Kernel help Two Sitsang boards can be connected with USB Cable and communicate with serial protocol And the usbserial o module is required for USB host Kernel Module Name Description Location in Sitsang File System usbse alo USB serial converter lib modules 2 4 19 rmk4 pxa2 support alvin2 kernel drivers usb serial usbserial o Table 6 Module List for USB Host To load the module Sitsang PXA255 Evaluation Platform Linux User s Guide 2 11 ntel i Quick Start modprobe usbserial vendor 0x8086 product 0xa6cd NOTE 1 If user uses USB keyboard as input device while QTOPIA is running user must do the following commands to input correct characters on the console foletc rc d ini td gtopia stop Fots test Use CTRL C to interrupt Then USB keyboard can be used for inputting NOTE 2 In this distribution OTOPIA doesn t support USB input device such as keyboard and mouse 2 10
32. r example speed 22000 The A D and D A frequency will be set to 22050 Hz 2 11 CF Card There are two kinds of CF Cards are built as kernel modules by default NE2000 compatible CF Network Adapter and Spectrum24 802 11 Wireless Networker These modules should be updated every time when kernel is recompiled If user wants to support more kinds of CF Cards please enable the kernel options for customized device and recompile kernel to enable it And then add the related entry in etc pcmcia config opts in Sitsang board file system The following is the module list required by these two default devices Kernel Module Name Description Location in Sitsang File System 8390 0 NE2000 generic Nib modules 2 4 19 rmk4 pxa2 j Support alvin2 kernel drivers net 8390 0 Bice san NE2000 compatible Nib modules 2 4 19 rmk4 pxa2 Pen PCMCIA support alvin2 pemcia pcnet cs o Generic support for Nib modules 2 4 19 rmk4 pxa2 hermes o bela this wireless card alvin2 pcmcia hermes o orinoco o Ee Nib modules 2 4 19 rmk4 pxa2 alvin2 orinoco o Spectrum24 CF Card lib modules 2 4 19 rmk4 pxa2 spectrum cs o support alvin2 spectrum_cs o Table 8 Module List for CF Card To start CF card service fetc rc d init d pcmcia start To stop CF card service Jofetc rc d init d pcmcia stop User can modify the pre assigned netcard options in etc pcmcia network opts such as IPADDR NETMASK and NETWORK 2 12 Redboot Flash Par
33. s running Led D28 acts as the heartbeat indicator of system and D34 indicates the status that system is busy Sitsang PXA255 Evaluation Platform Linux User s Guide 2 5 ntel j Quick Start Step 9 Shutdown or reboot the Linux System a To shutdown root Linux root shutdown r now After Redboot startups again user can power off the Sitsang board now b To reboot root Linux root reboot NOTE Redboot sets up the CPU core frequency based on the value of S7 in JSSR Refer to Sitsang PXA255 Evaluation Platform User s Guide for more information S7 Value 0 3 4 7 8 11 12 15 PXA255 only Turbo Mode Clock MHz 300 400 200 400 Run Mode Clock MHz 200 200 200 400 SDRAM clock MHz 100 100 100 100 Table 4 Freguency configuration based on the value of S7 2 4 Network Configuration User may configure the network by modifying the following files in Sitsang board s Linux system based on user s own requirement etc sysconfig network network options etc sysconfig network scripts ifcfg ethO netcard eth0 options Normally only IPADDR NETMASK BROADCAST GATEWAY and BOOTPROTO need to be changed Here IPADDR is user s IP address NETMASK is user s network mask BROADCAST is user s broadcast address GATEWAY is user s gateway address and BOOTPROTO is the dynamic IP allocation protocol Please refer to user s own network administrator for more details TIP 1 The text editor named edit
34. t v7 2 or Mandrake v7 2 or higher versions Step 1 Edit etc xinetd d tftp and modify the following lines service tftp enable yes gt no disable no socket_type dgram set root directory for tftp user here is tftpboot server_args s tftpboot Step 2 Copy the necessary files to tftpboot cp sitsang_fs jffs2 zImage tftpboot Step 3 Restart xinetd server 9oletc rc d init d xinetd restart 2 5 2 Configuring Redboot on Sitsang board User can configure the network and auto run script for Redboot with fconfig command 2 5 2 1 Configuring the network for Redboot Step 1 Redboot gt fconfig Run script at boot false false Use BOOTP for network configuration false false Local IP address 0 0 0 0 192 168 1 100 Default server IP address 0 0 0 0 192 168 1 1 GDB connection port 0 9000 Sitsang PXA255 Evaluation Platform Linux User s Guide 2 7 Step 2 tel j Quick Start Network debug at boot time false false Update Redboot non volatile configuration are you sure y n y Unlock from 0x03f80000 0x03fc0000 Erase from 0x03fS0000 0x03fcO000 Program from Oxa000bd78 0xa000c176 at 0x03f80000 Lock from 0x03f80000 0x03fc0000 NOTE Here 192 168 1 100 is the IP address of Sitsang board and 192 168 1 1 is the IP address of host User can modify them based on user s own requirement Since there may be a duplicate assignment with pre configured MAC address of Sitsang board in us
35. tition Table There are two flash banks on Sitsang Board which enable two different schemes mentioned at Section 2 1 1 For these two schemes there are two kinds of flash partition tables correspondingly One is for Sitsang PXA255 Evaluation Platform Linux User s Guide 2 13 ntel j Quick Start dual bank scheme the other is for single bank scheme Refer Sitsang PXA255 Evaluation Platform User s Guide for more details about system address map 2 12 1 Dual Flash Banks Scheme Flash Bank Begin End Content 0x00000000 0x00040000 Redboot Bank 0 0x00040000 0x00100000 Free Space 0x00100000 0x00200000 Linux Kernel Image 0x00200000 0x02000000 File System 0x02000000 0x03F80000 Free Space Bank 1 0x03F80000 0x03FC0000 Redboot Config 0x03FC0000 0x04000000 FIS Directory 2 12 2 Single Flash Bank Scheme Table 9 Two Flash Banks Scheme Partition Table of Redboot Flash Bank Begin End Content 0x00000000 0x00040000 Redboot 0x00040000 0x00100000 Free Space 0x00100000 0x00200000 Linux Kernel Image Bank 0 0x00200000 0x01F00000 File System 0x01F00000 0x01F80000 Free Space 0x01F80000 0x01FC0000 Redboot Config 0x01FCO0000 0x02000000 FIS Directory Bank 1 0x02000000 0x04000000 Can t be used Table 10 Single Flash Bank Partition Table of Redboot 2 13 Accelerometer Sensor The device file for Accelerometer Sensor driver is dev acce Us

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