At 10:33 AM 9/29/2002 +0200, Wolfgang Denk wrote: > >In message <03db01c26789$12dcb5b0$6100a8c0 at udtech.net> you wrote: >> >> I want to use CS3 of MPC860 for some devices, >> so I need config BR3 register, I don't know where >> to config it, I have not find BR0's config code. >> Where can I find BR0's config code? If I find that, >> I think I can place my code there. > >The initialziation of the memory controller (and things like testing >and sizing available memory) have to be done by the firmware on your >board, so look in your firmware sources. > >For additional chip selects, you can of course add the necessary >BRx/ORx initialization in the init function of the device driver that >will be accessing this hardware.
Here's some example code for CS5 device driver init http://www.embeddedlinuxinterfacing.com/sourcecode.shtml Look at chapter 9, helloworldbit_rpxcllf.c You also need to be looking at the MPC860UM (User manual) at the same time. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
