Hi,
On Thu, Feb 25, 2016 at 11:35 AM, Martin Stein <martin.stein@...1...
wrote:
Hi John,
Am 25.02.2016 um 00:58 schrieb John David:
I changed the kernel commandline parameters to /"video=mxcdi0fb:RGB666,XGA earlyprintk di0_primary ldb=di0/" and also enable early_printk (CONFIG_EARLY_PRINTK=y ), but it still displays the
Have you set CONFIG_DEBUG_LL and CONFIG_TTY_PRINTK in your Linux config? AFAIK this is also needed for earlyprintk. When I want my Linux to be really verbose, I furthermore add "loglevel=10" to the command line.
Could you please see the attached kernel log messages and check for possible errors? because I am still getting only the Linux penguin on the LVDS display. there are some errors such as, *da9052_ssc_i2c 0-0048: 2 - da9052_i2c_read:master_xfer Failed!*
Do you have any other experiment for ARM TrustZone on imx53 QSB?
AFAIK, no. We have a Trustzone demo for the USB Armory currently for which you can find the Linux [1] and Genode sources [2] online. There are several topic branches in my Linux repo that correspond to the USB Armory port and document the problems that we solved in a more detailed way as the final branch. Furthermore, there is a github issue [3] were I documented parts of the development too.
I have managed to run the trustzone demo on USB Armory. Currently i am using the serial port to boot the demo. I want the Linux (non secure world) to be displayed on a separate device while the Genode uses the serial port. Is it possible to connect the USB Armory to external device such as keyboard and display? I have an external USB NIC card connected to the USB Armory using the host adapter and tried to check the network connection in the normal world (Linux) after i run the Trustzone demo, but the network card is not detected. How to connect to the internet using USB Armory?
Thank you in advance for your answers.
Cheers, Martin
[1] https://github.com/m-stein/linux/tree/genode_hw_usb_armory_tz_vmm [2] https://github.com/genodelabs/genode/blob/master/repos/os/run/tz_vmm.run [3] https://github.com/genodelabs/genode/issues/1497
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