Re: [SeaBIOS] [PATCH] Fixes to the floppy driver, so it works on real (not emulated) hardware

[Nikolay Nikolov]

Sorry, forgot to reply to one of the small points in my other mail.

On 01/31/2018 05:23 AM, Kevin O'Connor wrote:
> > // Send the specified command and it's parameters to the floppy controller.
> >   static int
> > @@ -302,9 +310,12 @@ static int
> >   floppy_enable_controller(void)
> >   {
> >       dprintf(2, "Floppy_enable_controller\n");
> > SET_BDA(floppy_motor_counter, FLOPPY_MOTOR_TICKS);
> > floppy_dor_write(0x00);
> > floppy_dor_write(0x0c);
> > // Clear the reset bit (enter reset state), but set 'enable IRQ and DMA'
> > floppy_dor_write((GET_LOW(FloppyDOR) & ~0x04) | 0x08);
> > // Real hardware needs a 4 microsecond delay
> > udelay(4);
>
> Can this be a usleep()?

Yes, it shouldn't be a problem.

Nikolay