Hi Christian,
On Wed, Dec 3, 2014 at 12:02 AM, Christian Gmeiner christian.gmeiner@gmail.com wrote:
Hi Bin,
2014-12-02 5:38 GMT+01:00 Bin Meng bmeng.cn@gmail.com:
Hi Bruce,
On Tue, Dec 2, 2014 at 4:28 AM, Bruce_Leonard@selinc.com wrote:
Simon,
From: Simon Glass sjg@chromium.org To: Bruce_Leonard@selinc.com Cc: "trini@ti.com" trini@ti.com, U-Boot Mailing List <u- boot@lists.denx.de>, u-boot-bounces@lists.denx.de, Bin Meng bmeng.cn@gmail.com Date: 12/01/2014 12:14 PM Subject: Re: [U-Boot] Bare x86 support is merged to u-boot-x86 Sent by: sjg@google.com
+Bin
Hi Bruce,
On 1 December 2014 at 12:33, Bruce_Leonard@selinc.com wrote:
Hi Simon and Bin,
u-boot-bounces@lists.denx.de wrote on 11/25/2014 01:51:06 PM:
From: Simon Glass sjg@chromium.org To: U-Boot Mailing List u-boot@lists.denx.de Cc: "trini@ti.com" trini@ti.com Date: 11/25/2014 01:52 PM Subject: [U-Boot] Bare x86 support is merged to u-boot-x86 Sent by: u-boot-bounces@lists.denx.de
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.
Instructions on how to build and run are here:
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
This is awesome! Thanks so much for the work you two have done on this. We've been using u-boot on our PPC platforms for years and love it. We're considering moving to an Atom processor and wanted to continue to use u-boot, but were worried about getting it up and running with the FSL from Intel so we haven't made the jump yet. This is going to be a hugeleg up in my argument for actually getting that project off the ground. If we do, I'll be sure to be pushing out any work we do that isn't in the mainline.
Thanks again guys!
Sounds good! What Atom are you using? It might be the same one as Bin.
Not sure yet. We had originally settled on the first one Intel put out, but since we've waited so long and we're not locked in by design yet, we'll probably pick a newer generation. Our products tend to be in service for a long time (upwards of 20 years) so we like to get as cutting edge as we can without losing a finger :)
I am currently working on patches to support Intel Atom E6xx with Platform Controller Hub EG20T. This Atom platform aims at the embedded market. More newer Atom would be Bay Trail, which is an SoC and I believe Simon is going to support that platform once he gets a board. The latest Atom would be Braswell. If Intel keeps open for the chipset datasheet, I think we can try to support that too. We will see.
That sound really interesting! My company is also using Intel Atom E6xx based designs and I would love to see u-boot/coreboot running on them. What is the current state of your work?
The Atom E6xx U-Boot initial port is almost done and I plan to send patch series by the end of this week. Hopefully it could catch the last merge window of v2015.01 release.
Regards, Bin