Re: BAT register usage with 745x CPUs
On Fri, Aug 20, 2004 at 02:30:42AM +1000, Ross Vumbaca wrote:
> We need some information to try and fix a problem we have with the most
> recent 2.4.x kernels (a particular area of memory where the NVRAM is
> located, cannot be accessed anymore once the Linux kernel boots, looks
> like it's being mapped out).
> The machine uses a 745x CPU, and I understand that the memory on these
> machines is mapped using the BAT registers.
> Is this correct, and if so, which registers are used/what is the
> arrangement? (Or where could I look to get this info).
Ross, you would get better answers on this kind of stuff by asking on the
linuxppc-dev list for example.