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This family code and sub family code helps to identify the platform. Family code of any platform is on bits 21 to 27 and Sub family code is on bits 19 and 20. Signed-off-by: Dhaval Shah Signed-off-by: Sai Krishna Potthuri --- drivers/firmware/xilinx/zynqmp.c | 42 ++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 13 +++++++++ 2 files changed, 55 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index a736db4a5825..f9498e7ea694 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -339,6 +339,8 @@ int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1, static u32 pm_api_version; static u32 pm_tz_version; +static u32 pm_family_code; +static u32 pm_sub_family_code; int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset) { @@ -404,6 +406,41 @@ int zynqmp_pm_get_chipid(u32 *idcode, u32 *version) } EXPORT_SYMBOL_GPL(zynqmp_pm_get_chipid); +/** + * zynqmp_pm_get_family_info() - Get family info of platform + * @family: Returned family code value + * @subfamily: Returned sub-family code value + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_get_family_info(u32 *family, u32 *subfamily) +{ + u32 ret_payload[PAYLOAD_ARG_CNT]; + u32 idcode; + int ret; + + /* Check is family or sub-family code already received */ + if (pm_family_code && pm_sub_family_code) { + *family = pm_family_code; + *subfamily = pm_sub_family_code; + return 0; + } + + ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload); + if (ret < 0) + return ret; + + idcode = ret_payload[1]; + pm_family_code = FIELD_GET(GENMASK(FAMILY_CODE_MSB, FAMILY_CODE_LSB), + idcode); + pm_sub_family_code = FIELD_GET(GENMASK(SUB_FAMILY_CODE_MSB, + SUB_FAMILY_CODE_LSB), idcode); + *family = pm_family_code; + *subfamily = pm_sub_family_code; + + return 0; +} + /** * zynqmp_pm_get_trustzone_version() - Get secure trustzone firmware version * @version: Returned version value @@ -1911,6 +1948,11 @@ static int zynqmp_firmware_probe(struct platform_device *pdev) pr_info("%s Platform Management API v%d.%d\n", __func__, pm_api_version >> 16, pm_api_version & 0xFFFF); + /* Get the Family code and sub family code of platform */ + ret = zynqmp_pm_get_family_info(&pm_family_code, &pm_sub_family_code); + if (ret < 0) + return ret; + /* Check trustzone version number */ ret = zynqmp_pm_get_trustzone_version(&pm_tz_version); if (ret) diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index f5da51677069..d7f94b42ad4c 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -34,6 +34,19 @@ /* PM API versions */ #define PM_API_VERSION_2 2 +#define ZYNQMP_FAMILY_CODE 0x23 +#define VERSAL_FAMILY_CODE 0x26 + +/* When all subfamily of platform need to support */ +#define ALL_SUB_FAMILY_CODE 0x00 +#define VERSAL_SUB_FAMILY_CODE 0x01 +#define VERSALNET_SUB_FAMILY_CODE 0x03 + +#define FAMILY_CODE_LSB 21 +#define FAMILY_CODE_MSB 27 +#define SUB_FAMILY_CODE_LSB 19 +#define SUB_FAMILY_CODE_MSB 20 + /* ATF only commands */ #define TF_A_PM_REGISTER_SGI 0xa04 #define PM_GET_TRUSTZONE_VERSION 0xa03 From patchwork Mon Jul 17 09:33:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sai Krishna Potthuri X-Patchwork-Id: 121158 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp1005451vqt; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2023 09:34:35.6229 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6054ecc1-94a8-4553-a273-08db86a908bb X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT092.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7893 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771660660116761086 X-GMAIL-MSGID: 1771660660116761086 Support for configuring TRISTATE parameter is added in ZYNQMP PMUFW(Xilinx ZynqMP Platform Management Firmware) Configuration Param Set version 2.0. If the requested configuration is TRISTATE and platform is ZYNQMP then check the version before requesting Xilinx firmware to set the configuration. Signed-off-by: Sai Krishna Potthuri --- drivers/firmware/xilinx/zynqmp.c | 9 +++++++++ include/linux/firmware/xlnx-zynqmp.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index f9498e7ea694..307717f24a98 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -1150,6 +1150,15 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_get_config); int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 value) { + int ret; + + if (pm_family_code == ZYNQMP_FAMILY_CODE && + param == PM_PINCTRL_CONFIG_TRI_STATE) { + ret = zynqmp_pm_feature(PM_PINCTRL_CONFIG_PARAM_SET); + if (ret < PM_PINCTRL_PARAM_SET_VERSION) + return -EOPNOTSUPP; + } + return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, pin, param, value, 0, NULL); } diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index d7f94b42ad4c..6359eeea8dd7 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -34,6 +34,8 @@ /* PM API versions */ #define PM_API_VERSION_2 2 +#define PM_PINCTRL_PARAM_SET_VERSION 2 + #define ZYNQMP_FAMILY_CODE 0x23 #define VERSAL_FAMILY_CODE 0x26 From patchwork Mon Jul 17 09:33:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sai Krishna Potthuri X-Patchwork-Id: 121166 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp1011885vqt; Mon, 17 Jul 2023 03:04:04 -0700 (PDT) X-Google-Smtp-Source: APBJJlExl7670sa0DW0c2KwPxwrOcakx/iLHA8IgOFxJzJeMj68k2rFulJaIsHXyUkRtwWwLCkmZ X-Received: by 2002:a17:90b:3d4:b0:262:ec13:d3a with SMTP id go20-20020a17090b03d400b00262ec130d3amr12053422pjb.28.1689588244589; Mon, 17 Jul 2023 03:04:04 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1689588244; cv=pass; d=google.com; s=arc-20160816; b=pxbzTtyWL+xcC4c9GEMXoI9MwF7RrtAGpZ1VwVGr9xJuxSl5OOPBkXN+o4Syjn+UqF BnYmKNykfQR9fN94d3GfJ3YnLYS7Ui/bpLaNZ5GgNMRhSY7frQdRpPycWGI1cxqf/CRw 5SSdNC91g2cfqdHjwxhl190VdA1inMz8vLDX3qdh5NUA34oBL4h4zDIEmp8lrS114gE4 Ga3lEb5No1oan/wQ3kqqNEuJFA5KPapA5XopN42sAWE7YQxjvjuHCHXdBjP7OilH8pzU hve2lVcxPxXsIGLp0W/IWcMjKJoobqLYieoB/f8xyaVmRIDmecJcoRZtoUVZioBDvL27 42ZQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=/7NIx3YEvI4JhXMyS4rCQc94cOw7NRSAWPI58l3C+fE=; fh=xWVHyT5lQHsSnn3lvSFgsGvv8jauAnOU/6v8Rq4QerU=; b=WNjrrrrfdh9i7/jKR09X7kjabSHcr42s8hsMd73PPVYKZVe3nt5As0x2XDOoBUYWII liSaM2IKXoiIBszP56UKzUgEPhMH87GB14GYjwP4Lpy6JEj+H5nCWFae0wMsk8et6g1x uyO50GVuQTfpGqCF0Y33D31KNDhse45k2L5EeuJvEQWi0Uf2dGC5idAE/EIj6XBkurQ/ KW8jA7s4CotYblTT0xVIydUNOpZnWDviNAW/0HRAcYT+2zsY9UxfrFapTZZ5/aoLg5mU vOeJXVEuOPo9xdt1Oq17ek5m4UDPGXr6QI5zpoi0tu993WJsmDcEfA9h5pRhGxinxl7m vYMA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=EC0gziFS; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (out1.vger.email. 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Using these pinctrl properties observed hang issues with older Xilinx ZynqMP Platform Management Firmware, hence reverted the patch previously. Commit ff8356060e3a5e126abb ("Revert "dt-bindings: pinctrl-zynqmp: Add output-enable configuration""). Signed-off-by: Sai Krishna Potthuri Acked-by: Conor Dooley --- .../devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml index 2722dc7bb03d..1e2b9b627b12 100644 --- a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml @@ -274,6 +274,10 @@ patternProperties: slew-rate: enum: [0, 1] + output-enable: + description: + This will internally disable the tri-state for MIO pins. + drive-strength: description: Selects the drive strength for MIO pins, in mA. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2023 09:34:45.4504 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 44511a37-30d4-47cc-cfde-08db86a90e94 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT114.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR12MB5369 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771661862765034038 X-GMAIL-MSGID: 1771661862765034038 Add support to handle 'output-enable' and 'bias-high-impedance' configurations. Using these pinctrl properties observed hang issues with older PMUFW(Xilinx ZynqMP Platform Management Firmware), hence reverted the patch. Commit 9989bc33c4894e075167 ("Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance""). Support for configuring these properties added in PMUFW Configuration Set version 2.0. When there is a request for these configurations from pinctrl driver for ZynqMP platform, xilinx firmware driver checks for this version before configuring these properties to avoid the hang issue and proceeds further only when firmware version is >=2 otherwise it returns error. Signed-off-by: Sai Krishna Potthuri --- drivers/pinctrl/pinctrl-zynqmp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index 8d2cb0999f2f..f2be341f73e1 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -415,6 +415,10 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_ENABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; case PIN_CONFIG_MODE_LOW_POWER: /* * These cases are mentioned in dts but configurable @@ -423,6 +427,11 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev, */ ret = 0; break; + case PIN_CONFIG_OUTPUT_ENABLE: + param = PM_PINCTRL_CONFIG_TRI_STATE; + arg = PM_PINCTRL_TRI_STATE_DISABLE; + ret = zynqmp_pm_pinctrl_set_config(pin, param, arg); + break; default: dev_warn(pctldev->dev, "unsupported configuration parameter '%u'\n",