文件列表:

jtag\driver.2_2\Makefile (541, 2002-03-03)
jtag\driver.2_2\modversions.h (129, 1999-12-27)
jtag\driver.2_2\short.c (4653, 2002-03-03)
jtag\driver.2_2\short.o (3848, 2002-03-03)
jtag\driver.2_2\short_load (903, 2001-03-04)
jtag\driver.2_2\short_unload (211, 1999-12-27)
jtag\driver.2_2\sysdep-2.1.h (6498, 1999-12-27)
jtag\jflash\jflash (22980, 2002-09-28)
jtag\jflash\jflash.c (9865, 2002-09-28)
jtag\jflash\jtagio.c (9096, 2002-09-28)
jtag\jflash\Makefile (298, 2002-09-28)
jtag\jflash\sa1110jtag.h (6789, 2002-03-07)
jtag\driver.2_2 (0, 2009-12-14)
jtag\jflash (0, 2009-12-14)
jtag (0, 2009-12-14)

1. What is this? This is a brief description of how to use jflash under Linux. For programming Jornada 56x and Badge4 devices. 2. How do I use it? To access the parallel port, first load the enclosed driver: su cd driver.2_2 ./short_load lsmod -- you should see a module named 'short' Now go into the directory jflash (as a normal user). To read out the current contents of flash using the JTAG interface and write to a file: jflash R To write a new file to flash: jflash W To read flash and verify that it matches the binary contents of a file: jflash V 3. Parallel port connector pins This is the standard parallel port pin configuration used on the SA-1110 Development Kit: Cable has 100 ohm series resistors in all lines. Output pins (LPT driving): LPT D0 Pin 2 and TCK LPT D1 Pin 3 and TDI LPT D2 Pin 4 and TMS Input pin (SA-1110 board drives): LPT Busy Pin 11 and TDO Output pin LPT Pin 14 and nTRST 4. Jornada56x modifications 4.1. JTAG connector The JTAG signals are accessible from the area of the PCB visible after the cover over the CF slot is removed. With the 560 face down and the IR port pointing away from you, you will see 7 circular dots in a vertical row in the upper right of the visible PCB area. The signals on these pins are: Edge of PCB |-----------| |1. Unknown | |2. Ground | |3. TCK | |4. TMS | |5. nTRST | |6. TDO | |7. TDI | |-----------| Side towards battery 4.2 Vpp flash write enable When GPIO26 of the SA-1110 is 1, flash can be written. When 0, writing to flash is disabled (hopefully). 5. Ipaq H3800 modifications Defining CONFIG_SA1100_H3800 when compiling will produce a version that works for the H3800. 6. Credits This program is a very minor edit of the jflash utility available from intel at: http://www.intel.com/design/strong/swsup/downloads/SA1110JFlashKit_V12.htm who is the original author of the code (although no copyright statements!). John Ankcorn HP Laboratories Palo Alto, CA jca 9/25/2002

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