From patchwork Thu Jul 20 00:14:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 791304 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="UtzCyN0P"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xCZC61Lfgz9t2S for ; Thu, 20 Jul 2017 10:14:26 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933706AbdGTAOX (ORCPT ); Wed, 19 Jul 2017 20:14:23 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:50576 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932108AbdGTAOV (ORCPT ); Wed, 19 Jul 2017 20:14:21 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 7C540332; Thu, 20 Jul 2017 02:14:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1500509659; bh=HFw5OybTk7J6NoeiYq+fhXa8hiUw5O3URNAvCkY+i8I=; h=Date:In-Reply-To:References:From:Subject:To:From; b=UtzCyN0PWCfvsb0REuS1Z0F6sbfVwjCkXMmaY9NgbAEEdm+aNUJSNkjTBtk7Sd9c9 ntguCb901+kLdAilhU7dX1SCvw5SVJOwiWDtKYzYXccCgj/R3tuPChsp5fD/w5bA4q HzdRAfmPBiGu+7iEOAqM/mR7wDkX3ekkTnJToZGcmz6ZRHwwAGYUsqxxSv3DykTiKD yl2dAb9hBG/Ifi1yeDMJgyGvRK3MKR5a7cOdKT7VbZ3qFIBanykCzrqGkar2xhF0Cc hMBjd9AfjCw6LIha7Ujzpx0bqD0iJvkPSmzNdHFYcFV+/htFP8rvoRGkSsLwdvGeCQ NBGuEmW0gbjGQ== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.99.2 at rere Date: Thu, 20 Jul 2017 02:14:19 +0200 Message-Id: In-Reply-To: References: From: =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Subject: [PATCH 6/9] ARM: init: update secondary_data register documentation MIME-Version: 1.0 To: linux-tegra@vger.kernel.org, linux-arm-kernel@vger.kernel.org Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Fix secondary_data pointer register and document other occurrences in SMP boot code. Signed-off-by: Michał Mirosław --- arch/arm/kernel/head.S | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 04286fd9e09c..68b13db86bef 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -413,7 +413,7 @@ ENDPROC(secondary_startup) ENDPROC(secondary_startup_arm) /* - * r6 = &secondary_data + * r7 = &secondary_data */ ENTRY(__secondary_switched) ldr sp, [r7, #12] @ get secondary_data.stack @@ -443,6 +443,7 @@ __secondary_data: * r2 = atags or dtb pointer * r4 = TTBR pointer (low word) * r5 = TTBR pointer (high word if LPAE) + * r7 = secondary_data pointer (SMP) * r9 = processor ID * r13 = *virtual* address to jump to upon completion */ @@ -480,6 +481,7 @@ ENDPROC(__enable_mmu) * r0 = cp#15 control register * r1 = machine ID * r2 = atags or dtb pointer + * r7 = secondary_data pointer (SMP) * r9 = processor ID * r13 = *virtual* address to jump to upon completion *