From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yannick GICQUEL Subject: [RFC 6/8] m68k: m5441x: set rambar to end of SRAM physical addr space Date: Wed, 8 Jul 2015 11:51:30 +0200 Message-ID: <1436349092-2214-7-git-send-email-yannick.gicquel@gmail.com> References: <1436349092-2214-1-git-send-email-yannick.gicquel@gmail.com> Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:37759 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932944AbbGHJvx (ORCPT ); Wed, 8 Jul 2015 05:51:53 -0400 Received: by wiclp1 with SMTP id lp1so74959098wic.0 for ; Wed, 08 Jul 2015 02:51:52 -0700 (PDT) Received: from PCL140005.eurogiciel.fr (130.167.26.109.rev.sfr.net. [109.26.167.130]) by smtp.gmail.com with ESMTPSA id k16sm2551260wjr.7.2015.07.08.02.51.52 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 08 Jul 2015 02:51:52 -0700 (PDT) In-Reply-To: <1436349092-2214-1-git-send-email-yannick.gicquel@gmail.com> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: linux-m68k@vger.kernel.org Even if SRAM is not used, this is required to avoid inconsistency at runtime. Otherwise, an assertion failed in ld.so during init process execution: Inconsistency detected by ld.so: rtld.c: 1290: dl_main: Assertion `_rtld_local._dl_rtld_map.l_libname' failed! Signed-off-by: Yannick GICQUEL --- arch/m68k/coldfire/head.S | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/m68k/coldfire/head.S b/arch/m68k/coldfire/head.S index fa31be2..bf39885 100644 --- a/arch/m68k/coldfire/head.S +++ b/arch/m68k/coldfire/head.S @@ -151,6 +151,15 @@ _start0: _start: nop /* filler */ +#if defined(CONFIG_M5441x) +#if defined(CONFIG_SRAM_BASE) + movel #(CONFIG_SRAM_BASE+0x221), %d0 +#else + movel #(0x8ff00000+0x221), %d0 +#endif + movec %d0, %rambar1 +#endif + movew #0x2700, %sr /* no interrupts */ movel #CACHE_INIT,%d0 /* disable cache */ movec %d0,%CACR -- 1.9.1.286.g5172cb3