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Tue, 4 Feb 2020 13:41:36 +0000 From: peng.fan@nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de, sboyd@kernel.org, abel.vesa@nxp.com, aisheng.dong@nxp.com, leonard.crestez@nxp.com Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, ping.bai@nxp.com, Anson.Huang@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Peng Fan Subject: [PATCH 6/7] ARM: imx: imx7ulp: support HSRUN mode Date: Tue, 4 Feb 2020 21:34:36 +0800 Message-Id: <1580823277-13644-7-git-send-email-peng.fan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580823277-13644-1-git-send-email-peng.fan@nxp.com> References: <1580823277-13644-1-git-send-email-peng.fan@nxp.com> Content-Type: text/plain X-ClientProxiedBy: HK0PR03CA0107.apcprd03.prod.outlook.com (2603:1096:203:b0::23) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) MIME-Version: 1.0 Received: from localhost.localdomain (119.31.174.66) by HK0PR03CA0107.apcprd03.prod.outlook.com (2603:1096:203:b0::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.2686.28 via Frontend Transport; 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Signed-off-by: Peng Fan --- arch/arm/mach-imx/pm-imx7ulp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-imx/pm-imx7ulp.c b/arch/arm/mach-imx/pm-imx7ulp.c index 7b2f7387e662..dc2bc6f2cadd 100644 --- a/arch/arm/mach-imx/pm-imx7ulp.c +++ b/arch/arm/mach-imx/pm-imx7ulp.c @@ -11,6 +11,7 @@ #include "common.h" +#define SMC_PMPROT 0x8 #define SMC_PMCTRL 0x10 #define BP_PMCTRL_PSTOPO 16 #define PSTOPO_PSTOP3 0x3 @@ -25,6 +26,8 @@ #define BM_PMCTRL_RUNM (3 << BP_PMCTRL_RUNM) #define BM_PMCTRL_STOPM (7 << BP_PMCTRL_STOPM) +#define BM_PMPROT_AHSRUN BIT(7) + static void __iomem *smc1_base; int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode) @@ -51,6 +54,7 @@ int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode) return -EINVAL; } + writel_relaxed(BM_PMPROT_AHSRUN, smc1_base + SMC_PMPROT); writel_relaxed(val, smc1_base + SMC_PMCTRL); return 0; -- 2.16.4