USB Host-to-Serial or USB Host-to-Ethernet

Li Yang LeoLi at
Mon Jun 2 19:42:01 EST 2008

> -----Original Message-----
> From: 
> at 
> [ at ozlabs.o
> rg] On Behalf Of Huub Eikens
> Sent: Monday, June 02, 2008 5:22 PM
> To: linuxppc-embedded at
> Subject: USB Host-to-Serial or USB Host-to-Ethernet
> Hi,
> I have platform based on the Freescale MPC8270 processor that 
> runs on linux 2.4.25. On it I want to mount a memory stick. 
> Due to hardware (layout) restrictions , I cannot use an 
> external USB Host Controller. Also, I cannot use the on-chip 
> USB Host Controller since there is no driver available that 
> is reliable and has good performance.
> Therefor, I am exploring the possibility of doing a 
> USB-to-Serial or USB-to-ethernet. Does anyone know which chip 
> to use for which a driver exists for linux 2.4.25? Note that 
> such a chip must act as a USB Host (!). 

Can you use a PCI USB card?  I don't quite understand how USB-to-serial or USB-to-ethernet can help you mount a USB memory stick.  Unless you want USB memory stick to be mounted on another system and exported with NFS.

- Leo

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