From patchwork Thu Jun 13 06:59:48 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 2713701 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A7D4C9F3DD for ; Thu, 13 Jun 2013 07:00:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 79AB9201D3 for ; Thu, 13 Jun 2013 07:00:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51B27201E4 for ; Thu, 13 Jun 2013 07:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755481Ab3FMHAM (ORCPT ); Thu, 13 Jun 2013 03:00:12 -0400 Received: from kirsty.vergenet.net ([202.4.237.240]:41778 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755530Ab3FMHAH (ORCPT ); Thu, 13 Jun 2013 03:00:07 -0400 Received: from ayumi.isobedori.kobe.vergenet.net (p5212-ipbfp1903kobeminato.hyogo.ocn.ne.jp [114.172.132.212]) by kirsty.vergenet.net (Postfix) with ESMTP id C986126715E; Thu, 13 Jun 2013 17:00:05 +1000 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id BE1546CE33F; Thu, 13 Jun 2013 16:00:03 +0900 (JST) From: Simon Horman To: Arnd Bergmann , Olof Johansson Cc: linux-sh@vger.kernel.org, arm@kernel.org, linux-arm-kernel@lists.infradead.org, Magnus Damm , Magnus Damm , Simon Horman Subject: [PATCH 10/15] ARM: shmobile: Remove old SCU boot code Date: Thu, 13 Jun 2013 15:59:48 +0900 Message-Id: <1371106793-25071-11-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1371106793-25071-1-git-send-email-horms+renesas@verge.net.au> References: <1371106793-25071-1-git-send-email-horms+renesas@verge.net.au> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Magnus Damm Remove shmobile_secondary_vector_scu now when all SCU enabled SMP platforms instead make use of shmobile_boot_scu. This removes two inline virtual to physical address conversions. Signed-off-by: Magnus Damm Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/headsmp-scu.S | 22 +--------------------- arch/arm/mach-shmobile/include/mach/common.h | 1 - 2 files changed, 1 insertion(+), 22 deletions(-) diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S index c5c9106..6f98654 100644 --- a/arch/arm/mach-shmobile/headsmp-scu.S +++ b/arch/arm/mach-shmobile/headsmp-scu.S @@ -25,32 +25,12 @@ __CPUINIT /* - * Reset vector for secondary CPUs. + * Boot code for secondary CPUs. * * First we turn on L1 cache coherency for our CPU. Then we jump to * shmobile_invalidate_start that invalidates the cache and hands over control * to the common ARM startup code. - * This function will be mapped to address 0 by the SBAR register. - * A normal branch is out of range here so we need a long jump. We jump to - * the physical address as the MMU is still turned off. */ - .align 12 -ENTRY(shmobile_secondary_vector_scu) - mrc p15, 0, r0, c0, c0, 5 @ read MIPDR - and r0, r0, #3 @ mask out cpu ID - lsl r0, r0, #3 @ we will shift by cpu_id * 8 bits - ldr r1, 2f - ldr r1, [r1] @ SCU base address - ldr r2, [r1, #8] @ SCU Power Status Register - mov r3, #3 - bic r2, r2, r3, lsl r0 @ Clear bits of our CPU (Run Mode) - str r2, [r1, #8] @ write back - - ldr pc, 1f -1: .long shmobile_invalidate_start - PAGE_OFFSET + PLAT_PHYS_OFFSET -2: .long shmobile_scu_base - PAGE_OFFSET + PLAT_PHYS_OFFSET -ENDPROC(shmobile_secondary_vector_scu) - ENTRY(shmobile_boot_scu) @ r0 = SCU base address mrc p15, 0, r1, c0, c0, 5 @ read MIPDR diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 8ef1c3c..e818f02 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -10,7 +10,6 @@ extern void shmobile_setup_console(void); extern void shmobile_boot_vector(void); extern unsigned long shmobile_boot_fn; extern unsigned long shmobile_boot_arg; -extern void shmobile_secondary_vector_scu(void); extern void shmobile_boot_scu(void); struct clk; extern int shmobile_clk_init(void);