On 11 August 2011 10:25, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > On Thu, Aug 11, 2011 at 12:24:27AM +0400, Antony Pavlov wrote: >> Hi! >> >> I have a Toshiba AC100 smartbook. It is based on Nvidia Tegra 250 T20 chip. >> I want to port barebox to it. >> >> I have successfully built and run u-boot for AC100 from >> https://github.com/chpec/uboot-ac100.git. This u-boot version has lcd, >> serial port and USB support. >> There is another tegra support u-boot branch: >> https://github.com/muromec/uboot-tegra.git >> Also linux has satisfactory tegra support. >> >> I want to discuss source file organization for Tegra and AC100 support >> in the barebox. >> AFAIK tegra is not resemble to current arm machines, supported by barebox. >> >> For example, this is the comment from barebox tegra source code: >> >> /* >> * Tegra2 uses 2 separate CPUs - the AVP (ARM7TDMI) and the CPU (dual A9s). >> * U-Boot runs on the AVP first, setting things up for the CPU (PLLs, >> * muxes, clocks, clamps, etc.). Then the AVP halts, and expects the CPU >> * to pick up its reset vector, which points here. >> */ > > Does this mean you have to build two U-Boot binaries? AFAIK, no. > How big is the code that runs on the AVP? I can't say it just now. -- Best regards, Antony Pavlov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
