Disable USB2 in AMD8111 and remove ide hardcode io addr

[ron minnich]

On Tue, 4 May 2004, YhLu wrote:

> I'm going to add several lines in amd8111_enable of amd8111.c to disable
> USB2 in amd8111. 
> 
>         /* disable usb2 in amd 8111 because it does not work awlays*/
>         byte = pci_read_config8(lpc_dev, 0x47);
>         byte |= (1<<7);
>         pci_write_config8(lpc_dev, 0x47, byte);

this is the wrong way to do this, please don't do it just yet. 

The right way to do it is in the config file. 

I will look at your code and we'll send an example.

> 
> Also will remove several lines in amd8111_ide.c
> 
>         /* The AMD768 has a bug where the BM DMA address must be
>          * 256 byte aligned while it is only 16 bytes long.
>          * Hard code this to a valid address below 0x1000
>          * where automatic port address assignment starts.
>          * FIXME: I assume the 8111 does the same thing. We should
>          * clarify. stepan at suse.de
>          */
>         pci_write_config32(dev, 0x20, 0xf01);
> 
>         pci_write_config32(dev, 0x48, 0x205e5e5e);
>         word = 0x06a;
>         pci_write_config16(dev, 0x4c, word);

why?

> 
> and add 
> 
>         byte = 0x20 ; // Latency: 64-->32
>         pci_write_config8(dev, 0xd, byte);

which is needed because ...

Let's talk some more.

ron