From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp125.mail.ukl.yahoo.com (smtp125.mail.ukl.yahoo.com [77.238.184.56]) by ozlabs.org (Postfix) with SMTP id D2F0E1007D2 for ; Tue, 1 Dec 2009 10:09:52 +1100 (EST) From: Albert Herranz To: linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH v3 0/3] rework of usbgecko-based early debug Date: Tue, 1 Dec 2009 00:09:47 +0100 Message-Id: Cc: Albert Herranz List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This series is a rework of the previously posted patch: - [RFC PATCH v2 08/11] powerpc: gamecube/wii: early debugging using usbgecko It tries to implement the ideas suggested by Benjamin Herrenschmidt regarding the use of a fixmap entry to provide a valid I/O mapping immediately after MMU_init runs and MMU is definitively enabled. Albert Herranz (3): powerpc: udbg: add early remap hook powerpc: udbg: add fixmap entry for early debug powerpc: gamecube/wii: early debugging using usbgecko arch/powerpc/Kconfig.debug | 8 +++ arch/powerpc/include/asm/fixmap.h | 3 + arch/powerpc/include/asm/udbg.h | 4 + arch/powerpc/kernel/head_32.S | 21 +++++++ arch/powerpc/kernel/udbg.c | 5 ++ arch/powerpc/mm/init_32.c | 10 +++ arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c | 59 ++++++++++++++++++++ arch/powerpc/platforms/embedded6xx/usbgecko_udbg.h | 2 + 8 files changed, 112 insertions(+), 0 deletions(-)