Re: [PATCH] Physical addresses fix for au1x00 serial driver

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Hello.

Rodolfo Giometti wrote:

> here:
> 
>    http://ftp.enneenne.com/pub/misc/au1100-patches/linux/patch-au1x00-serial-phys-addr

> a little patch (against «linux-2.6.16-stable» branch and tested on
> au1100 based board) to fix the addresses specification for the serial
> driver. With this patch at boot time we get:

>    Serial: 8250/16550 driver $Revision: 1.90 $ 3 ports, IRQ sharing disabled       
>    serial8250.7: ttyS0 at MMIO 0x11100000 (irq = 0) is a 16550A                    
>    serial8250.7: ttyS1 at MMIO 0x11200000 (irq = 1) is a 16550A                    
>    serial8250.7: ttyS2 at MMIO 0x11400000 (irq = 3) is a 16550A                    

    I have already noticed and fixed this. The fix is in Andrew Morton's tree 
(unpublished yet). See this msg for the patch:

http://www.linux-mips.org/archives/linux-mips/2006-04/msg00029.html

 >    wwpc:~# cat /proc/iomem 

 >    10100000-10200000 : au1xxx-ohci.0 

 >    10500000-1050ffff : eth-base 

 >    10520000-10520003 : eth-mac 

 >    11100000-1110001f : serial 

 >    11200000-1120001f : serial 

 >    11400000-1140001f : serial 


    This is not quite correct. The UARTs take up 1 MB of memory each.

> Ciao,
> 
> Rodolfo

WBR, Sergei