From patchwork Sat Jul 19 01:37:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Rae X-Patchwork-Id: 371766 X-Patchwork-Delegate: albert.aribaud@free.fr Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 432B71400D7 for ; Sat, 19 Jul 2014 11:37:14 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 1D254A7579; Sat, 19 Jul 2014 03:37:11 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id I5uDUjd94J0O; Sat, 19 Jul 2014 03:37:10 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C6578A750A; Sat, 19 Jul 2014 03:37:01 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id A76A9A7489 for ; Sat, 19 Jul 2014 03:36:56 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id deXRfJpCh6jV for ; Sat, 19 Jul 2014 03:36:53 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-gw2-out.broadcom.com (mail-gw2-out.broadcom.com [216.31.210.63]) by theia.denx.de (Postfix) with ESMTP id 69C15A73FC for ; Sat, 19 Jul 2014 03:36:51 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.01,689,1400050800"; d="scan'208";a="39890263" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 18 Jul 2014 18:45:52 -0700 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Fri, 18 Jul 2014 18:36:50 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.3.174.1; Fri, 18 Jul 2014 18:36:50 -0700 Received: from mail.broadcom.com (lbrmn-vmlnx03.ric.broadcom.com [10.136.4.105]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 8427E9F9F9; Fri, 18 Jul 2014 18:36:50 -0700 (PDT) From: Steve Rae To: Date: Fri, 18 Jul 2014 18:37:33 -0700 Message-ID: <1405733854-20194-4-git-send-email-srae@broadcom.com> X-Mailer: git-send-email 1.8.5 In-Reply-To: <1405733854-20194-1-git-send-email-srae@broadcom.com> References: <1405733854-20194-1-git-send-email-srae@broadcom.com> MIME-Version: 1.0 Cc: Steve Rae , Scott Branden Subject: [U-Boot] [PATCH 3/4] arm: bcmnsp: Add bcmnsp u-architecture X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Scott Branden Base support for the Broadcom NSP SoC. Based on iproc-common and the SoC specific reset function. Signed-off-by: Scott Branden Signed-off-by: Steve Rae --- arch/arm/cpu/armv7/bcmnsp/Makefile | 7 +++++++ arch/arm/cpu/armv7/bcmnsp/reset.c | 19 +++++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 arch/arm/cpu/armv7/bcmnsp/Makefile create mode 100644 arch/arm/cpu/armv7/bcmnsp/reset.c diff --git a/arch/arm/cpu/armv7/bcmnsp/Makefile b/arch/arm/cpu/armv7/bcmnsp/Makefile new file mode 100644 index 0000000..04afcf9 --- /dev/null +++ b/arch/arm/cpu/armv7/bcmnsp/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2014 Broadcom Corporation. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += reset.o diff --git a/arch/arm/cpu/armv7/bcmnsp/reset.c b/arch/arm/cpu/armv7/bcmnsp/reset.c new file mode 100644 index 0000000..d79d9aa --- /dev/null +++ b/arch/arm/cpu/armv7/bcmnsp/reset.c @@ -0,0 +1,19 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +#define CRU_RESET_OFFSET 0x1803F184 + +void reset_cpu(ulong ignored) +{ + /* Reset the cpu by setting software reset request bit */ + writel(0x1, CRU_RESET_OFFSET); + + while (1) + ; /* loop forever till reset */ +}