From patchwork Fri Feb 3 12:50:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 650533 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE68EC6379F for ; Fri, 3 Feb 2023 12:50:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232877AbjBCMuh (ORCPT ); Fri, 3 Feb 2023 07:50:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232858AbjBCMuf (ORCPT ); Fri, 3 Feb 2023 07:50:35 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F2779A806 for ; Fri, 3 Feb 2023 04:50:32 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pNvWE-0000bN-5D; Fri, 03 Feb 2023 13:50:18 +0100 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pNvWB-002Opn-8d; Fri, 03 Feb 2023 13:50:16 +0100 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pNvWA-000ZlS-1k; Fri, 03 Feb 2023 13:50:14 +0100 From: Sascha Hauer To: linux-pm@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Heiko Stuebner , Kyungmin Park , MyungJoo Ham , Will Deacon , Mark Rutland , kernel@pegutronix.de, Michael Riesch , Sascha Hauer Subject: [PATCH 09/18] PM / devfreq: rockchip-dfi: Clean up DDR type register defines Date: Fri, 3 Feb 2023 13:50:03 +0100 Message-Id: <20230203125012.3804008-10-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230203125012.3804008-1-s.hauer@pengutronix.de> References: <20230203125012.3804008-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-pm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Use the HIWORD_UPDATE() define known from other rockchip drivers to make the defines look less odd to the readers who've seen other rockchip drivers. Signed-off-by: Sascha Hauer --- drivers/devfreq/event/rockchip-dfi.c | 32 +++++++++++++++++----------- 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 7896cd8beb143..035984d3c7b01 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -26,15 +26,19 @@ #define DMC_MAX_CHANNELS 2 +#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) + /* DDRMON_CTRL */ #define DDRMON_CTRL 0x04 -#define CLR_DDRMON_CTRL (0x1f0000 << 0) -#define LPDDR4_EN (0x10001 << 4) -#define HARDWARE_EN (0x10001 << 3) -#define LPDDR3_EN (0x10001 << 2) -#define SOFTWARE_EN (0x10001 << 1) -#define SOFTWARE_DIS (0x10000 << 1) -#define TIME_CNT_EN (0x10001 << 0) +#define DDRMON_CTRL_DDR4 BIT(5) +#define DDRMON_CTRL_LPDDR4 BIT(4) +#define DDRMON_CTRL_HARDWARE_EN BIT(3) +#define DDRMON_CTRL_LPDDR23 BIT(2) +#define DDRMON_CTRL_SOFTWARE_EN BIT(1) +#define DDRMON_CTRL_TIMER_CNT_EN BIT(0) +#define DDRMON_CTRL_DDR_TYPE_MASK (DDRMON_CTRL_DDR4 | \ + DDRMON_CTRL_LPDDR4 | \ + DDRMON_CTRL_LPDDR23) #define DDRMON_CH0_COUNT_NUM 0x28 #define DDRMON_CH0_DFI_ACCESS_NUM 0x2c @@ -74,16 +78,19 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev) void __iomem *dfi_regs = dfi->regs; /* clear DDRMON_CTRL setting */ - writel_relaxed(CLR_DDRMON_CTRL, dfi_regs + DDRMON_CTRL); + writel_relaxed(HIWORD_UPDATE(0, 0xffff), dfi_regs + DDRMON_CTRL); /* set ddr type to dfi */ if (dfi->ddr_type == ROCKCHIP_DDRTYPE_LPDDR3) - writel_relaxed(LPDDR3_EN, dfi_regs + DDRMON_CTRL); + writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_LPDDR23, DDRMON_CTRL_DDR_TYPE_MASK), + dfi_regs + DDRMON_CTRL); else if (dfi->ddr_type == ROCKCHIP_DDRTYPE_LPDDR4) - writel_relaxed(LPDDR4_EN, dfi_regs + DDRMON_CTRL); + writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_LPDDR4, DDRMON_CTRL_DDR_TYPE_MASK), + dfi_regs + DDRMON_CTRL); /* enable count, use software mode */ - writel_relaxed(SOFTWARE_EN, dfi_regs + DDRMON_CTRL); + writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_SOFTWARE_EN, DDRMON_CTRL_SOFTWARE_EN), + dfi_regs + DDRMON_CTRL); } static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev *edev) @@ -91,7 +98,8 @@ static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev *edev) struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev); void __iomem *dfi_regs = dfi->regs; - writel_relaxed(SOFTWARE_DIS, dfi_regs + DDRMON_CTRL); + writel_relaxed(HIWORD_UPDATE(0, DDRMON_CTRL_SOFTWARE_EN), + dfi_regs + DDRMON_CTRL); } static void rockchip_dfi_read_counters(struct devfreq_event_dev *edev, struct dmc_count *count)