1
User’s Manual for theBoundary DevicesNitrogen
R
board
March 10, 2011
Revision 1.5
Страница 1: ...1 User s Manual for the Boundary Devices NitrogenR board March 10 2011 March 10 2011 Revision 1 5...
Страница 2: ...l rough Additional details on Ubuntu Live images 2010 07 01 1 2 Added connector diagram 2010 07 06 1 2 Refined connector diagram added U Boot notes re moved Ubuntu build notes 2010 12 10 1 3 Added GPI...
Страница 3: ...7 5 1 Internal ROM boot loader and boot flow 7 5 2 Das U Boot 7 5 2 1 Using U Boot with Linux 9 5 2 2 Using U Boot with Windows CE 10 5 3 Windows CE 11 5 4 Linux Kernel 12 5 4 1 Kernel configurations...
Страница 4: ...Freescale MC13892VL Power Management and User Interface IC Up to 512MB DDR2 Memory Full featured Boot Loader for custom startup Board Dimensions 4 x 2 5 Up to 8MB Serial Flash Directly interfaces to...
Страница 5: ...CTS J16 JTAG port J18 Power input 1 5V 2 5V 3 ground 4 ground 5 reserved 6 reserved J8 High speed I2C 1 5v 2 I2C clock 3 I2C data 4 reserved 5 ground J2 SPEAKER 1 MINUS 2 PLUS J4 Microphone J3 Stereo...
Страница 6: ...en board This allows the use of both the 7 and 4 3 enclosures with VESA mounts as well as the Kiosk and in wall enclosures The board is designed to be mounted using the four mounting holes as shown in...
Страница 7: ...tion of U Boot then loads its environment settings from offset 0x1c00 block 14 of the SD card This is also in space before the first partition The next steps depend primarily on the values found in th...
Страница 8: ...5 2 Das U Boot 8 Figure 3 Nitrogen boot flow March 10 2011 Revision 1 5...
Страница 9: ...tcmd settings to boot with or without a RAM disk In general we recommend the use of a RAM disk whenever booting to SD card so that the RAM disk or initrd can perform filesystem checking The Freescale...
Страница 10: ...to use this Check with the Linux command zcat proc config gz grep DHCP rootwait This clause tells the kernel not to expect that a RAM disk is immediately available root dev nfs This clause tells the k...
Страница 11: ...As mentioned earlier the NitrogenR board ships with a runnable Windows CE 6 0 image on MMC card A Board Support Package is also available and necessary to tailor the operating system for a given appli...
Страница 12: ...efconfig linux bd make ARCH arm CROSS COMPILE arm none linux gnueabi uImage modules For Ubuntu linux bd make ARCH arm CROSS COMPILE arm none linux gnueabi nitrogen ubuntu defconf linux bd make ARCH ar...
Страница 13: ...ur Ubuntu builds are Live images so they re set up for read only access to the SD cards We put together a document available on our web site that describes much of what we ve done to make this happen...
Страница 14: ...anel environment variable for use in constructing a bootargs variable To rehash previous comments the bootargs variable contains the Linux kernel command line The Linux kernel display driver contains...
Страница 15: ...Linux display setup 15 To use the 4 3 panel you can specify this using a known panel type U Boot lcdp urt 480x272 U Boot set bootargs video panel 666 boot casper U Boot saveenv March 10 2011 Revision...
