From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Littell Date: Tue, 22 Apr 2008 22:11:29 -0500 Subject: [U-Boot-Users] PPC440EPx/sequoia TLB question... Message-ID: <480EA8E1.4060207@verizon.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi all, >From ?/board/amcc/sequoia/init.S: /* TLB-entry for Internal Registers & OCM */ tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0, AC_R|AC_W|AC_X|SA_I ) Why is this memory region not marked Guarded? It would seem to meet the definition of ?non-well-behaved?. Also the TLB entry for SDRAM marks it Guarded, but that?s one area I would think wouldn't need to be Guarded. Thanks, Dave