From patchwork Thu Feb 6 23:42:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Lunn X-Patchwork-Id: 3598841 Return-Path: X-Original-To: patchwork-linux-arm@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 E20329F2E9 for ; Thu, 6 Feb 2014 23:49:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2455E2012F for ; Thu, 6 Feb 2014 23:49:38 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EEEB420120 for ; Thu, 6 Feb 2014 23:49:36 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBYeY-0000zl-Ef; Thu, 06 Feb 2014 23:46:43 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBYdc-0006dm-0g; Thu, 06 Feb 2014 23:45:44 +0000 Received: from vps0.lunn.ch ([178.209.37.122]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBYca-0006VP-Oq for linux-arm-kernel@lists.infradead.org; Thu, 06 Feb 2014 23:44:41 +0000 Received: from lunn by vps0.lunn.ch with local (Exim 4.80) (envelope-from ) id 1WBYaK-0003rt-Bt; Fri, 07 Feb 2014 00:42:20 +0100 From: Andrew Lunn To: Jason Cooper , Sebastian Hesselbarth , Gregory Clement Subject: [PATCH 07/21] ARM: Kirkwood: ioremap memory control register Date: Fri, 7 Feb 2014 00:42:03 +0100 Message-Id: <1391730137-14814-8-git-send-email-andrew@lunn.ch> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1391730137-14814-1-git-send-email-andrew@lunn.ch> References: <1391730137-14814-1-git-send-email-andrew@lunn.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140206_184440_970256_06DC59B0 X-CRM114-Status: GOOD ( 10.69 ) X-Spam-Score: -2.4 (--) Cc: Andrew Lunn , linux ARM X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 To allow removal of the global map of registers, make the pm code ioremap the registers it needs. Signed-off-by: Andrew Lunn --- arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 1 + arch/arm/mach-kirkwood/pm.c | 9 ++++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 2bd12fde1781..6e5077e2ec26 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -80,5 +80,6 @@ #define CGC_RESERVED (0x6 << 21) #define MEMORY_PM_CTRL (BRIDGE_VIRT_BASE + 0x118) +#define MEMORY_PM_CTRL_PHYS (BRIDGE_PHYS_BASE + 0x118) #endif diff --git a/arch/arm/mach-kirkwood/pm.c b/arch/arm/mach-kirkwood/pm.c index c6ab8d9303a5..8e5e0329d04c 100644 --- a/arch/arm/mach-kirkwood/pm.c +++ b/arch/arm/mach-kirkwood/pm.c @@ -21,15 +21,16 @@ #include "common.h" static void __iomem *ddr_operation_base; +static void __iomem *memory_pm_ctrl; static void kirkwood_low_power(void) { u32 mem_pm_ctrl; - mem_pm_ctrl = readl(MEMORY_PM_CTRL); + mem_pm_ctrl = readl(memory_pm_ctrl); /* Set peripherals to low-power mode */ - writel_relaxed(~0, MEMORY_PM_CTRL); + writel_relaxed(~0, memory_pm_ctrl); /* Set DDR in self-refresh */ writel_relaxed(0x7, ddr_operation_base); @@ -41,7 +42,7 @@ static void kirkwood_low_power(void) */ cpu_do_idle(); - writel_relaxed(mem_pm_ctrl, MEMORY_PM_CTRL); + writel_relaxed(mem_pm_ctrl, memory_pm_ctrl); } static int kirkwood_suspend_enter(suspend_state_t state) @@ -69,5 +70,7 @@ static const struct platform_suspend_ops kirkwood_suspend_ops = { void __init kirkwood_pm_init(void) { ddr_operation_base = ioremap(DDR_OPERATION_BASE, 4); + memory_pm_ctrl = ioremap(MEMORY_PM_CTRL_PHYS, 4); + suspend_set_ops(&kirkwood_suspend_ops); }