From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yoshinori Sato Date: Sun, 12 Jun 2016 06:54:24 +0000 Subject: [PATCH v2 06/17] sh: FDT address save before bank change Message-Id: <1465714475-24111-7-git-send-email-ysato@users.sourceforge.jp> List-Id: References: <1465714475-24111-1-git-send-email-ysato@users.sourceforge.jp> In-Reply-To: <1465714475-24111-1-git-send-email-ysato@users.sourceforge.jp> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato 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..fbf5f84 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 in r12 +#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