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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5f3414ed-d81a-4441-b8ff-08d85604096a X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2020 03:37:41.2831 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pHiKbSvo/tNUo5S5AvetJ+cVfC7/PsBuUYNGsuzzo9F+O5SeWYsp5R1Ifos3SJg2rV71K/qeNN6YH1rx21UCHQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5084 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200910_233744_009363_871C8A22 X-CRM114-Status: GOOD ( 13.36 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.21.57 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.21.57 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, devicetree@vger.kernel.org, Peng Fan , Anson.Huang@nxp.com, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org From: Peng Fan Configure PMPROT to let ARM core could run into HSRUN mode. In LDO-enabled mode, HSRUN mode is not allowed, so add a check before configure PMPROT. Signed-off-by: Peng Fan --- arch/arm/mach-imx/pm-imx7ulp.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/mach-imx/pm-imx7ulp.c b/arch/arm/mach-imx/pm-imx7ulp.c index 2e756d8191fa..543ac69f5f70 100644 --- a/arch/arm/mach-imx/pm-imx7ulp.c +++ b/arch/arm/mach-imx/pm-imx7ulp.c @@ -11,6 +11,10 @@ #include "common.h" +#define PMC0_CTRL 0x28 +#define BM_CTRL_LDOEN BIT(31) + +#define SMC_PMPROT 0x8 #define SMC_PMCTRL 0x10 #define BP_PMCTRL_PSTOPO 16 #define PSTOPO_PSTOP3 0x3 @@ -25,7 +29,10 @@ #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; +static void __iomem *pmc0_base; int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode) { @@ -65,5 +72,13 @@ void __init imx7ulp_pm_init(void) of_node_put(np); WARN_ON(!smc1_base); + np = of_find_compatible_node(NULL, NULL, "fsl,imx7ulp-pmc-m4"); + pmc0_base = of_iomap(np, 0); + WARN_ON(!pmc0_base); + of_node_put(np); + + if (!(readl_relaxed(pmc0_base + PMC0_CTRL) & BM_CTRL_LDOEN)) + writel_relaxed(BM_PMPROT_AHSRUN, smc1_base + SMC_PMPROT); + imx7ulp_set_lpm(ULP_PM_RUN); } From patchwork Fri Sep 11 03:30:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1362212 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=jDYCaZmd; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256 header.s=selector2 header.b=Mi/zLTJW; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3295791b-9f9a-417b-a228-08d856040bce X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2020 03:37:45.3113 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9Ua4gp47zYdvk+J1avTht6+qyv8FXg+2Tk6NgMerJZ2BulEwK0qfSIYEWMfXM9uZWkRJOS32+3gnIQgUZW+Pmw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB5084 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200910_233748_079181_1BD19848 X-CRM114-Status: GOOD ( 15.85 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [40.107.21.84 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.21.84 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, devicetree@vger.kernel.org, Peng Fan , Anson.Huang@nxp.com, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org From: Peng Fan When cpu runs in HSRUN mode, cpuidle is not allowed to run into Stop mode. So add imx7ulp_get_mode to get thr cpu run mode, and use WAIT mode instead, when cpu in HSRUN mode. Signed-off-by: Peng Fan --- arch/arm/mach-imx/common.h | 1 + arch/arm/mach-imx/cpuidle-imx7ulp.c | 14 +++++++++++--- arch/arm/mach-imx/pm-imx7ulp.c | 10 ++++++++++ 3 files changed, 22 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 72c3fcc32910..707ac650f1c2 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -103,6 +103,7 @@ void imx6_set_int_mem_clk_lpm(bool enable); void imx6sl_set_wait_clk(bool enter); int imx_mmdc_get_ddr_type(void); int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode); +u32 imx7ulp_get_mode(void); void imx_cpu_die(unsigned int cpu); int imx_cpu_kill(unsigned int cpu); diff --git a/arch/arm/mach-imx/cpuidle-imx7ulp.c b/arch/arm/mach-imx/cpuidle-imx7ulp.c index ca86c967d19e..e7009d10b331 100644 --- a/arch/arm/mach-imx/cpuidle-imx7ulp.c +++ b/arch/arm/mach-imx/cpuidle-imx7ulp.c @@ -15,10 +15,18 @@ static int imx7ulp_enter_wait(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - if (index == 1) + u32 mode; + + if (index == 1) { imx7ulp_set_lpm(ULP_PM_WAIT); - else - imx7ulp_set_lpm(ULP_PM_STOP); + } else { + mode = imx7ulp_get_mode(); + + if (mode == 3) + imx7ulp_set_lpm(ULP_PM_WAIT); + else + imx7ulp_set_lpm(ULP_PM_STOP); + } cpu_do_idle(); diff --git a/arch/arm/mach-imx/pm-imx7ulp.c b/arch/arm/mach-imx/pm-imx7ulp.c index 543ac69f5f70..eb1578f0bfa5 100644 --- a/arch/arm/mach-imx/pm-imx7ulp.c +++ b/arch/arm/mach-imx/pm-imx7ulp.c @@ -63,6 +63,16 @@ int imx7ulp_set_lpm(enum ulp_cpu_pwr_mode mode) return 0; } +u32 imx7ulp_get_mode(void) +{ + u32 mode; + + mode = readl_relaxed(smc1_base + SMC_PMCTRL) & BM_PMCTRL_RUNM; + mode >>= BP_PMCTRL_RUNM; + + return mode; +} + void __init imx7ulp_pm_init(void) { struct device_node *np;