Is something wrong with my patches? I did not get any reactions about them for a while.
Regards, Miklós > Hello all, > > Nowadays I am hacking some Freescale based stuffs, so I would like to > share my additions to the urjtag: > > I have generated jtag files for the Freescale MPC8347 and the MPC8313(e) > from the Freescale provided BSDLs: > http://dl.dropbox.com/u/4295670/freescale_devices.patch > > My board has an Spansion S29LV032-04 flash with 16 bit wide data bus. > I am using my MPC8347 based board with the mpc837x bus with these arguments: > initbus mpc837x MUX WIDTH=16 > > By default the flash is detected by the amd.c flash driver which did not > suppports the unlock bypass programming mode. > The amd_flash.c supports it, but it cannot detect it, because it's > detection method is called after the amd.c detection. > And at the other hand it supports only 8 bit wide data bus.. > > So I have decided to patch the amd.c: > http://dl.dropbox.com/u/4295670/bypass%2Bmux.patch > > My board uses a latch to latching the addresses from the common > address/data bus. This causes 2 BSR shifts in every write operation. > I have added a variable to store the last write address, to eliminate > the latching of the addresses when it not neccessary (Two consecutive > write cycle to the same address). > The address of the unlock bypass program sequence is don't care, so if I > use the address to be programmed in the first command so I spare the > half of the BSR shifts. > > So the writing time is reduced to the 1/8th of the original. Now I can > write a ~200K u-boot image in 3 minutes using an Usbblaster (12Mhz TCK). > > Regards, > Mikl?s M?rton > ------------------------------------------------------------------------------ AppSumo Presents a FREE Video for the SourceForge Community by Eric Ries, the creator of the Lean Startup Methodology on "Lean Startup Secrets Revealed." This video shows you how to validate your ideas, optimize your ideas and identify your business strategy. http://p.sf.net/sfu/appsumosfdev2dev _______________________________________________ UrJTAG-development mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/urjtag-development
