Hi Simon,
On Fri, Oct 23, 2015 at 9:42 AM, Simon Glass sjg@chromium.org wrote:
Hi Bin,
On 22 October 2015 at 19:41, Bin Meng bmeng.cn@gmail.com wrote:
On Fri, Oct 23, 2015 at 9:39 AM, Bin Meng bmeng.cn@gmail.com wrote:
Previously when I started to look at the graphics support on Intel Crown Bay, I tried to debug IGD and off-chip graphics card but none of their vgabios can run under U-Boot. Later with a bug fixed in the 16-bit real mode and 32-bit protected mode switch, IGD vgabios can run successfully but these two PCIe graphics cards I have at hand still don't work.
With recent bug fixes as an attempt to support SeaBIOS, I started to look at them again, and this time finally got both of them work. It turns out we need completely disable IGD on TunnelCreek chipset, and also get i8254 timer counter 1 set up corretly.
This series also fixes several nits in the i8259/i8254 codes.
In case someone is interested, the two PCIe graphics card I used for testing are:
Looks git has eliminated my commit message somehow ..
Here they are:
#1: XGI Technology Inc., vendor ID 0x18ca, device ID 0x0027 #2: Matrox Electronics Systems Ltd., vendor ID 0x102b, device ID 0x2527
Yes, # at the start of a line means a comment :-)
Ah, yes! I must be brain-dead :)
Regards, Simon
Regards, Bin