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Fri, 21 Sep 2018 13:42:34 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66]:39876 helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw02 with esmtp (Exim 4.63) (envelope-from ) id 1g3Lha-00063L-6G; Fri, 21 Sep 2018 06:42:34 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1g3LhV-0008B4-1z; Fri, 21 Sep 2018 06:42:29 -0700 Received: from xsj-pvapsmtp01 (smtp2.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id w8LDgR2u014376; Fri, 21 Sep 2018 06:42:27 -0700 Received: from [172.23.37.118] (helo=xhdnavam40.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1g3LhS-0008AC-IZ; Fri, 21 Sep 2018 06:42:27 -0700 From: Nava kishore Manne To: , , , , , , , , , , Subject: [RFC PATCH v3 1/3] firmware: xilinx: Add zynqmp_pm_get_chipid() API Date: Sat, 22 Sep 2018 19:11:47 +0530 Message-ID: <20180922134149.5693-2-nava.manne@xilinx.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180922134149.5693-1-nava.manne@xilinx.com> References: <20180922134149.5693-1-nava.manne@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.100;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(346002)(39860400002)(396003)(376002)(136003)(2980300002)(438002)(189003)(199004)(8936002)(81156014)(6666003)(110136005)(16586007)(36386004)(76176011)(316002)(106002)(51416003)(7696005)(50226002)(336012)(5660300001)(81166006)(50466002)(14444005)(486006)(217873002)(426003)(446003)(11346002)(48376002)(126002)(476003)(2616005)(186003)(77096007)(26005)(305945005)(9786002)(1076002)(63266004)(2906002)(2201001)(106466001)(356003)(8676002)(478600001)(47776003)(36756003)(921003)(107986001)(1121003)(5001870100001)(2101003)(83996005);DIR:OUT;SFP:1101;SCL:1;SRVR:BN7PR02MB5106;H:xsj-pvapsmtpgw02;FPR:;SPF:Pass;LANG:en;PTR:xapps1.xilinx.com,unknown-60-100.xilinx.com;MX:1;A:1; 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Changes for v2: -New Patch. drivers/firmware/xilinx/zynqmp.c | 24 ++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 2 ++ 2 files changed, 26 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 7ccedf083926..7a33f934dce7 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -447,8 +447,32 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) return ret; } +/** + * zynqmp_pm_get_chipid - Get silicon ID registers + * @idcode: IDCODE register + * @version: version register + * + * Return: Returns the status of the operation and the idcode and version + * registers in @idcode and @version. + */ +static int zynqmp_pm_get_chipid(u32 *idcode, u32 *version) +{ + u32 ret_payload[PAYLOAD_ARG_CNT]; + int ret; + + if (!idcode || !version) + return -EINVAL; + + ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload); + *idcode = ret_payload[1]; + *version = ret_payload[2]; + + return ret; +} + static const struct zynqmp_eemi_ops eemi_ops = { .get_api_version = zynqmp_pm_get_api_version, + .get_chipid = zynqmp_pm_get_chipid, .ioctl = zynqmp_pm_ioctl, .query_data = zynqmp_pm_query_data, .clock_enable = zynqmp_pm_clock_enable, diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 58a74781b51d..5a49d6f937b5 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -34,6 +34,7 @@ enum pm_api_id { PM_GET_API_VERSION = 1, + PM_GET_CHIPID = 22, PM_IOCTL = 34, PM_QUERY_DATA, PM_CLOCK_ENABLE, @@ -90,6 +91,7 @@ struct zynqmp_pm_query_data { struct zynqmp_eemi_ops { int (*get_api_version)(u32 *version); + int (*get_chipid)(u32 *idcode, u32 *version); int (*ioctl)(u32 node_id, u32 ioctl_id, u32 arg1, u32 arg2, u32 *out); int (*query_data)(struct zynqmp_pm_query_data qdata, u32 *out); int (*clock_enable)(u32 clock_id); -- 2.18.0