|Subject:||patches for SGI O2|
|From:||Vivien Chappelier <firstname.lastname@example.org>|
|Date:||Sat, 15 Dec 2001 23:52:58 +0100 (CET)|
Hi, I've a few patches for running Linux on the SGI O2: The first one (O2-asid) concerns the TLB initialization the IP32. The asid_cache is not initialized, which leads to MMU context = 0 being considered valid! Thus when switching task, in switch_mm, a new context is not created. With the patch I can boot a debian experimental system (from ftp://bolugftp.uni-bonn.de/pub/mips-linux/rootfs/experimental) The second one adds support for the 16550A UARTs of the O2, so that ARC console is not needed anymore. Finaly, with my configuration (SGI O2 R5000 @ 180Mhz) I've to change PAGE_OFFSET in page.h to the one used for IP22 rather than the one used for IP32.. here is a third patch (O2-page) to change this, but I'm not sure about other configurations (R10000?) regards, Vivien.
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