Timothy Miller wrote:
OTOH, an embedded system that didn't boot with a VGA mode is going to
need to contain the code needed to load the driver to start up the
graphics card. Such systems probably wouldn't even have a VGA/VESA
Video BIOS.
Sooner or later, we're going to have to get back onto our VGA
implementation.
Given my familiarity with the VGA block layout, I'm thinking that may be
my first foray into writing my own Verilog code.
With the memory controller being actively developed and the PCI
interface in the works, along with the video controller we will have the
minimum requirements for a raw framebuffer device that we could actually
display an image from. That is a really important first step. A really
big second step will be to be able to boot a x86 Linux system in text
mode and actually watch it boot. That will require a VGA module to do
the heavy lifting until you can get a framebuffer driver loaded in the
kernel.
Patrick M
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