From db8e8a8bef387995463877994896b8bd8a9c8f2a Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Fri, 14 Aug 1998 15:23:33 +0000 Subject: Added information on caching. --- c/src/lib/libbsp/powerpc/dmv177/QUIRKS | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/c/src/lib/libbsp/powerpc/dmv177/QUIRKS b/c/src/lib/libbsp/powerpc/dmv177/QUIRKS index ecba090340..e1d95e6427 100644 --- a/c/src/lib/libbsp/powerpc/dmv177/QUIRKS +++ b/c/src/lib/libbsp/powerpc/dmv177/QUIRKS @@ -4,6 +4,19 @@ # $Id$ # +JTAG and Caching +================ +If data or code caching is enabled on certain revisions of the PPC603e, +then the JTAG emulator interface become disfunctional. You can not +debug using the emulator on these chip revisions. On certain revisions, +it is so bad that when code caching is enabled, you can not even +download code reliably to the board. + +Caching and Peripherals +======================= +When caching is enabled, care must be exercised to insure that all +peripheral addresses are still uncached. + Exar 88681 Clock ================ This board uses a different clock for the Exar 88681 DUART than is -- cgit v1.2.3