From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752529AbcF1Glu (ORCPT ); Tue, 28 Jun 2016 02:41:50 -0400 Received: from mail2.asahi-net.or.jp ([202.224.39.198]:57088 "EHLO mail2.asahi-net.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751331AbcF1Ggk (ORCPT ); Tue, 28 Jun 2016 02:36:40 -0400 From: Yoshinori Sato To: linux-sh@veger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato Subject: [PATCH v3 05/19] sh: FDT address save before bank change Date: Tue, 28 Jun 2016 15:36:21 +0900 Message-Id: <1467095795-5082-6-git-send-email-ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1467095795-5082-1-git-send-email-ysato@users.sourceforge.jp> References: <1467095795-5082-1-git-send-email-ysato@users.sourceforge.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SH3/4 have register bank of R0-R7. Preset FDT address assigned bank depend on boot loader. Before setting a bank because we don't depend on a boot loader, it's evacuated. Signed-off-by: Yoshinori Sato --- arch/sh/kernel/head_32.S | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/sh/kernel/head_32.S b/arch/sh/kernel/head_32.S index 974bc15..ef44fe8 100644 --- a/arch/sh/kernel/head_32.S +++ b/arch/sh/kernel/head_32.S @@ -58,6 +58,9 @@ ENTRY(empty_zero_page) * */ ENTRY(_stext) +#ifdef CONFIG_OF + mov r4, r12 ! Store device tree blob pointer +#endif ! Initialize Status Register mov.l 1f, r0 ! MD=1, RB=0, BL=0, IMASK=0xF ldc r0, sr @@ -67,10 +70,6 @@ ENTRY(_stext) ldc r0, r6_bank #endif -#ifdef CONFIG_OF - mov r4, r12 ! Store device tree blob pointer in r12 -#endif - /* * Prefetch if possible to reduce cache miss penalty. * -- 2.7.0