Hi Bin, On 26 November 2014 at 18:44, Bin Meng <bmeng...@gmail.com> wrote: > Hi Simon, > > On Wed, Nov 26, 2014 at 5:51 AM, Simon Glass <s...@chromium.org> wrote: >> Hi Bin (and others interested in U-Boot on x86), >> >> I've applied the remaining x86 patches to u-boot-x86. It runs on >> chromebook_link (Pixel) with support for most hardware relevant to a >> boot loader: SDRAM, SPI, PCI, USB (and USB Ethernet), SATA (internal >> 32GB SSD), SD card, LCD, UART, keyboard, EC. >> >> Bin this should be a good base for you to send patches for your Atom >> platform and I have no major work pending now so should not get in >> your way. >> > > This is great! Thanks for applying your patch series into the mainline > so quickly. I will start working on my patches soon. > >> Instructions on how to build and run are here: >> >> http://www.denx.de/wiki/U-Boot/X86 >> >> For this platform 4 binary blobs are needed. This is an unavoidable >> feature of the platform at present. The blobs cover flash descriptor, >> SDRAM init, video init and Management Engine. Instructions on how to >> get these are on the same page. >> >> Here is a list of some missing features: >> >> - README.x86 in the source (mostly the content from the Wiki page >> would be a good start) >> - MTRR support (for performance) >> - Audio >> - Chrome OS verified boot (only a rough rebase has been done, I'm not >> sure how to track mainline anyway) >> - SMI and ACPI support, to provide platform info and facilities to Linux >> > > One question related to ACPI, do we need support pre-ACPI protocols > for handling over resource allocations and interrupt vector assignment > information to the OS? I mean the PIRQ table and MP table. These specs > are really old nowadays, and even commercial BIOS does not always get > those tables correct, but as far as I can see, ACPI tables are more > reliable. I think this is largely because they validate ACPI support > with Windows and Linux which always use ACPI.
I vote no. ACPI should be enough. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot