405EP peripheral bus

2003-11-21 Thread Paul Miller
Intrinsyc will not provide the physical address locations for anything on their board, which is ridiculous. I have determined, based on the DCR registers, that the following memory addresses are used: SDRAM is located at 0x with 32MB size. (NOR??) located at 0xFFE00 with size 2MB (NA

405EP peripheral bus

2003-11-20 Thread Juergen Beisert
Am Mittwoch, 19. November 2003 21:43 schrieb Paul Miller: > and I changed B0CR to 0x0043a000 and I'm trying to use mmap like: How many RAM is in your System? Less than 64MiB? Or more? Maybe there is an overlapping? JB ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

405EP peripheral bus

2003-11-19 Thread Paul Miller
Has anyone messed around with accessing the peripheral bus on a 405EP PPC? I've already written a driver to allow me to read/write to the EBC (external bus control) registers from userspace, but I can't seem to toggle CS0\, OE\, R/W, etc. Is there anything special about CS0\ (after boot)? By