[PATCH] powerpc/83xx: Make serial ports work on MPC8315E-RDB w/FSL U-Boots

[Li Yang]

> -----Original Message-----
> From: linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org 
> [mailto:linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org] 
> On Behalf Of Anton Vorontsov
> Sent: Sunday, January 11, 2009 11:30 PM
> To: Kumar Gala
> Cc: linuxppc-dev at ozlabs.org
> Subject: [PATCH] powerpc/83xx: Make serial ports work on 
> MPC8315E-RDB w/FSL U-Boots
> 
> FSL U-Boots use /soc8315 at e0000000 node to search and fixup 
> serial nodes' clock-frequency properties. Though in upstream 
> kernels we use new naming convention -- for IMMR address 
> space dts files specify /immr at e0000000 nodes.
> 
> This makes FSL U-Boots fail to fixup the clock frequencies, 
> and that leads to serial ports misbehaviour. We can 
> workaround the issue by filling the clock frequency values manually.

Freescale BSP is for customer who needs the out-of-box experience.  It's
better tested, but doesn't update very frequently.  I would suggest the
customer to use the upstream u-boot, if they decide to use latest
upstream kernel.

- Leo