Re: ramdisk

2007-09-19 Thread Midhun A
Hi Xu, As far we have worked on it, the parameter to be passed is "root=/dev/ram" and not "root=/dev/ram0". Atleast I used it to boot the kernel on a U-Boot boot loader. I guess I can help you out. But I will need more details. But I would like you to try "root=/dev/ram" first and let me kno

Re: USB HC on i.MX21 hangs with error -110

2007-08-13 Thread Midhun A
Hi All, Sorry for crossposting. > Let's see ... Linux-ARM is a "please don't crosspost" list; I did not know that. I will not repeat. I did not know which list to ask help for USB untill afterwards I found the linux-usb-users mailing list. Sorry again. Will not repeat. Thanks, Midhun. -

USB HC on i.MX21 hangs with error -110

2007-08-13 Thread Midhun A
Hi All, We are using the i.MX21 Litekit. It has got a USB host port on it and the driver is imx21-hcd.c provided by the vendor. When I plug in a USB stick into the host port, the kernel hangs with the following error: usb 1-2: device descriptor read/64, error -110 I have read on the net

Question regarding ADS7846 Touchscreen controller

2007-08-09 Thread Midhun A
Hi All, We are running vanilla 2.6.22 linux kernel in i.MX 21 lite kit, patched for our board and utilizing the generic touchscreen driver drivers/input/touchscreen/ads7846.c for our touch screen. We have changed the register values in spi_imx.c for i.MX21. The code seems to run but we are not

Re: Testing of CPRM on SD Card

2007-07-30 Thread Midhun A
Hey All, Thanks a lot for the replies. I have the development keys. But the algorithm and some intellectual property needs to be licenced from the 4C entity guys to implement it. As of now I just want to test the CPRM functionality. So licensing the algo for a prototype testing is a huge cost.

Testing of CPRM on SD Card

2007-07-28 Thread Midhun A
Hi All, Our product development requires that we use the CPRM security feature of SD card for protecting our material. I have been searching the web for a SD host controller / Software which is CPRM capable, so that we can write/read an encrypted SD card with the testing keys provided by the 4