From patchwork Fri Jun 20 05:20:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 362071 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D52AC140096 for ; Fri, 20 Jun 2014 15:25:39 +1000 (EST) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WxrHs-0004dG-8B; Fri, 20 Jun 2014 05:22:56 +0000 Received: from mail-bn1blp0185.outbound.protection.outlook.com ([207.46.163.185] helo=na01-bn1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WxrHo-0004Xn-MK for linux-arm-kernel@lists.infradead.org; Fri, 20 Jun 2014 05:22:54 +0000 Received: from DM2PR03CA005.namprd03.prod.outlook.com (10.141.52.153) by DM2PR03MB349.namprd03.prod.outlook.com (10.141.54.11) with Microsoft SMTP Server (TLS) id 15.0.954.9; Fri, 20 Jun 2014 05:22:29 +0000 Received: from BL2FFO11FD055.protection.gbl (2a01:111:f400:7c09::140) by DM2PR03CA005.outlook.office365.com (2a01:111:e400:2414::25) with Microsoft SMTP Server (TLS) id 15.0.959.24 via Frontend Transport; Fri, 20 Jun 2014 05:22:28 +0000 Received: from az84smr01.freescale.net (192.88.158.2) by BL2FFO11FD055.mail.protection.outlook.com (10.173.161.183) with Microsoft SMTP Server (TLS) id 15.0.969.12 via Frontend Transport; Fri, 20 Jun 2014 05:22:28 +0000 Received: from ubuntu.ap.freescale.net (ubuntu-010192242118.ap.freescale.net [10.192.242.118]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s5K5MPG4031164; Thu, 19 Jun 2014 22:22:25 -0700 From: Anson Huang To: , , Subject: [PATCH] ARM: imx: add suspend support for i.mx6sx Date: Fri, 20 Jun 2014 13:20:54 +0800 Message-ID: <1403241654-31605-1-git-send-email-b20788@freescale.com> X-Mailer: git-send-email 1.7.9.5 X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(6009001)(199002)(189002)(76482001)(83072002)(85852003)(74662001)(102836001)(26826002)(85306003)(81342001)(77982001)(44976005)(77156001)(31966008)(81156003)(47776003)(83322001)(19580395003)(19580405001)(64706001)(6806004)(74502001)(81542001)(36756003)(68736004)(69596002)(105606002)(50466002)(97736001)(4396001)(84676001)(92726001)(50226001)(2201001)(92566001)(104166001)(33646001)(21056001)(88136002)(575784001)(89996001)(79102001)(80022001)(62966002)(20776003)(87286001)(48376002)(104016002)(93916002)(87936001)(50986999)(95666004)(99396002)(46102001)(42262001); DIR:OUT; SFP:; SCL:1; SRVR:DM2PR03MB349; H:az84smr01.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: BL:0; ACTION:Default; RISK:Low; SCL:0; SPMLVL:NotSpam; PCL:0; RULEID: X-Forefront-PRVS: 024847EE92 Received-SPF: Fail (: domain of freescale.com does not designate 192.88.158.2 as permitted sender) receiver=; client-ip=192.88.158.2; helo=az84smr01.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=Anson.Huang@freescale.com; X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140619_222252_910082_6984A1A7 X-CRM114-Status: GOOD ( 10.63 ) X-Spam-Score: -0.1 (/) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.1 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [207.46.163.185 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [207.46.163.185 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record Cc: linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org Add suspend support for i.MX6SX. To enter suspend, echo mem > /sys/power/state. To exit suspend, using RTC alarm or enable debug UART wakeup. Signed-off-by: Anson Huang --- arch/arm/mach-imx/common.h | 1 + arch/arm/mach-imx/mach-imx6sx.c | 1 + arch/arm/mach-imx/pm-imx6.c | 29 ++++++++++++++++++++++++++--- 3 files changed, 28 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 7668ff5..50ee9c2 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -133,6 +133,7 @@ static inline void imx6_suspend(void __iomem *ocram_vbase) {} void imx6q_pm_init(void); void imx6dl_pm_init(void); void imx6sl_pm_init(void); +void imx6sx_pm_init(void); void imx6q_pm_set_ccm_base(void __iomem *base); #ifdef CONFIG_PM diff --git a/arch/arm/mach-imx/mach-imx6sx.c b/arch/arm/mach-imx/mach-imx6sx.c index 02fccf6..b7a0bde 100644 --- a/arch/arm/mach-imx/mach-imx6sx.c +++ b/arch/arm/mach-imx/mach-imx6sx.c @@ -26,6 +26,7 @@ static void __init imx6sx_init_machine(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, parent); imx_anatop_init(); + imx6sx_pm_init(); } static void __init imx6sx_init_irq(void) diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 9392a8f..331055b 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -129,6 +129,14 @@ static const u32 imx6sl_mmdc_io_offset[] __initconst = { 0x330, 0x334, 0x320, /* SDCKE0, SDCKE1, RESET */ }; +static const u32 imx6sx_mmdc_io_offset[] __initconst = { + 0x2ec, 0x2f0, 0x2f4, 0x2f8, /* DQM0 ~ DQM3 */ + 0x60c, 0x610, 0x61c, 0x620, /* GPR_B0DS ~ GPR_B3DS */ + 0x300, 0x2fc, 0x32c, 0x5f4, /* CAS, RAS, SDCLK_0, GPR_ADDS */ + 0x310, 0x314, 0x5f8, 0x608, /* SODT0, SODT1, MODE_CTL, MODE */ + 0x330, 0x334, 0x338, 0x33c, /* SDQS0 ~ SDQS3 */ +}; + static const struct imx6_pm_socdata imx6q_pm_data __initconst = { .cpu_type = MXC_CPU_IMX6Q, .mmdc_compat = "fsl,imx6q-mmdc", @@ -159,6 +167,16 @@ static const struct imx6_pm_socdata imx6sl_pm_data __initconst = { .mmdc_io_offset = imx6sl_mmdc_io_offset, }; +static const struct imx6_pm_socdata imx6sx_pm_data __initconst = { + .cpu_type = MXC_CPU_IMX6SX, + .mmdc_compat = "fsl,imx6sx-mmdc", + .src_compat = "fsl,imx6sx-src", + .iomuxc_compat = "fsl,imx6sx-iomuxc", + .gpc_compat = "fsl,imx6sx-gpc", + .mmdc_io_num = ARRAY_SIZE(imx6sx_mmdc_io_offset), + .mmdc_io_offset = imx6sx_mmdc_io_offset, +}; + /* * This structure is for passing necessary data for low level ocram * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct @@ -265,12 +283,12 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) val |= 0x3 << BP_CLPCR_STBY_COUNT; val |= BM_CLPCR_VSTBY; val |= BM_CLPCR_SBYOS; - if (cpu_is_imx6sl()) { + if (cpu_is_imx6sl()) val |= BM_CLPCR_BYPASS_PMIC_READY; + if (cpu_is_imx6sl() || cpu_is_imx6sx()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; - } else { + else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; - } break; default: return -EINVAL; @@ -549,3 +567,8 @@ void __init imx6sl_pm_init(void) { imx6_pm_common_init(&imx6sl_pm_data); } + +void __init imx6sx_pm_init(void) +{ + imx6_pm_common_init(&imx6sx_pm_data); +}