EPIA success and problem

[Eric W. Biederman]

Adam Sulmicki <adam at cfar.umd.edu> writes:

> > I somehow succeeded to enable all of 256MB SDRAM at 133MHz,
> > and to enable video using ADLO with original VGA BIOS, on EPIA 5000.
> 
> cool.
> 
> > It now boots into GRUB in less than 2 seconds. :)
> > (It's too fast for IDE drive to spin up, so I have to hit reset
> > button after cold start.)
> 
> hmm, in rombios.c, can you try increasing ATA_WAIT_COUNT by magnitude or
> two and see if it helps?

You need to put in the code to spin on the busy bit.

See the ehterboot source for an example.

Except on out of spec hardware that always works, and making
certain the busy bit is cleared before using a drive
is required for correct operation in all cases.

Eric