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GET /api/patches/810822/?format=api
{ "id": 810822, "url": "http://patchwork.ozlabs.org/api/patches/810822/?format=api", "web_url": "http://patchwork.ozlabs.org/project/skiboot/patch/1504737309-26981-1-git-send-email-arbab@linux.vnet.ibm.com/", "project": { "id": 44, "url": "http://patchwork.ozlabs.org/api/projects/44/?format=api", "name": "skiboot firmware development", "link_name": "skiboot", "list_id": "skiboot.lists.ozlabs.org", "list_email": "skiboot@lists.ozlabs.org", "web_url": "http://github.com/open-power/skiboot", "scm_url": "http://github.com/open-power/skiboot", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504737309-26981-1-git-send-email-arbab@linux.vnet.ibm.com>", "list_archive_url": null, "date": "2017-09-06T22:35:09", "name": "npu2: hw-procedures: Enable low power mode", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "73f118727fd8f49ba4c926307915e2bdc1051b71", "submitter": { "id": 69358, "url": "http://patchwork.ozlabs.org/api/people/69358/?format=api", "name": "Reza Arbab", "email": "arbab@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/skiboot/patch/1504737309-26981-1-git-send-email-arbab@linux.vnet.ibm.com/mbox/", "series": [ { "id": 1894, "url": "http://patchwork.ozlabs.org/api/series/1894/?format=api", "web_url": "http://patchwork.ozlabs.org/project/skiboot/list/?series=1894", "date": "2017-09-06T22:35:09", "name": "npu2: hw-procedures: Enable low power mode", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1894/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810822/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810822/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "skiboot@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "skiboot@lists.ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xndhG6PL3z9s82\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 7 Sep 2017 08:35:26 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xndhG5fBlzDrWH\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 7 Sep 2017 08:35:26 +1000 (AEST)", "from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com\n\t[148.163.158.5])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xndh65KGBzDrVj\n\tfor <skiboot@lists.ozlabs.org>; Thu, 7 Sep 2017 08:35:17 +1000 (AEST)", "from pps.filterd (m0098419.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv86MNuVe090721\n\tfor <skiboot@lists.ozlabs.org>; Wed, 6 Sep 2017 18:35:15 -0400", "from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2ctq9s2ykg-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <skiboot@lists.ozlabs.org>; Wed, 06 Sep 2017 18:35:14 -0400", "from localhost\n\tby e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <skiboot@lists.ozlabs.org> from <arbab@linux.vnet.ibm.com>;\n\tWed, 6 Sep 2017 18:35:13 -0400", "from b01cxnp22035.gho.pok.ibm.com (9.57.198.25)\n\tby e18.ny.us.ibm.com (146.89.104.205) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\tWed, 6 Sep 2017 18:35:11 -0400", "from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com\n\t[9.57.199.111])\n\tby b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP\n\tid v86MZAKl31981602; Wed, 6 Sep 2017 22:35:10 GMT", "from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 0A600AC04A;\n\tWed, 6 Sep 2017 18:35:38 -0400 (EDT)", "from arbab-laptop.localdomain (unknown [9.53.92.213])\n\tby b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP id E4566AC03A;\n\tWed, 6 Sep 2017 18:35:37 -0400 (EDT)", "by arbab-laptop.localdomain (Postfix, from userid 152845)\n\tid 3E68D46074E; Wed, 6 Sep 2017 17:35:09 -0500 (CDT)" ], "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com\n\t(client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com;\n\tenvelope-from=arbab@linux.vnet.ibm.com; receiver=<UNKNOWN>)", "From": "Reza Arbab <arbab@linux.vnet.ibm.com>", "To": "skiboot@lists.ozlabs.org", "Date": "Wed, 6 Sep 2017 17:35:09 -0500", "X-Mailer": "git-send-email 1.8.3.1", "X-TM-AS-GCONF": "00", "x-cbid": "17090622-0044-0000-0000-0000038A1D86", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00007679; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000226; SDB=6.00913269; UDB=6.00458350;\n\tIPR=6.00693531; \n\tBA=6.00005574; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017041;\n\tXFM=3.00000015; UTC=2017-09-06 22:35:12", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17090622-0045-0000-0000-000007B91D7C", "Message-Id": "<1504737309-26981-1-git-send-email-arbab@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-06_07:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=1\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709060319", "Subject": "[Skiboot] [PATCH] npu2: hw-procedures: Enable low power mode", "X-BeenThere": "skiboot@lists.ozlabs.org", "X-Mailman-Version": "2.1.23", "Precedence": "list", "List-Id": "Mailing list for skiboot development <skiboot.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/skiboot>,\n\t<mailto:skiboot-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/skiboot/>", "List-Post": "<mailto:skiboot@lists.ozlabs.org>", "List-Help": "<mailto:skiboot-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/skiboot>,\n\t<mailto:skiboot-request@lists.ozlabs.org?subject=subscribe>", "Cc": "Alistair Popple <alistair@popple.id.au>,\n\tAndrew Donnellan <andrew.donnellan@au1.ibm.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org", "Sender": "\"Skiboot\"\n\t<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>" }, "content": "Add a procedure which sets the NTL low power config register.\n\nSigned-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>\n---\n hw/npu2-hw-procedures.c | 18 +++++++++++++++++-\n include/npu2-regs.h | 6 ++++++\n 2 files changed, 23 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/npu2-hw-procedures.c b/hw/npu2-hw-procedures.c\nindex a140aed..24feb03 100644\n--- a/hw/npu2-hw-procedures.c\n+++ b/hw/npu2-hw-procedures.c\n@@ -310,9 +310,25 @@ static uint32_t phy_reset_complete(struct npu2_dev *ndev)\n \t\tphy_write_lane(ndev, &NPU2_PHY_TX_LANE_PDWN, lane, 0);\n \t}\n \n+\treturn PROCEDURE_NEXT;\n+}\n+\n+/* Procedure 1.2.11 - Enable Low Power Mode */\n+static uint32_t enable_low_power(struct npu2_dev *ndev)\n+{\n+\tuint64_t val;\n+\n+\tval = SETFIELD(NPU2_NTL_LOW_POWER_CFG_MODE_ENABLE, 0ull, 1);\n+\tval = SETFIELD(NPU2_NTL_LOW_POWER_CFG_TIMER_TICK_CONFIG, val, 1);\n+\tval = SETFIELD(NPU2_NTL_LOW_POWER_CFG_MIN_CRED_THRESH, val, 8);\n+\tval = SETFIELD(NPU2_NTL_LOW_POWER_CFG_MAX_CRED_THRESH, val, 15);\n+\tval = SETFIELD(NPU2_NTL_LOW_POWER_CFG_CNT_THRESH, val, 8);\n+\tnpu2_write(ndev->npu, NPU2_NTL_LOW_POWER_CFG(ndev), val);\n+\n \treturn PROCEDURE_COMPLETE;\n }\n-DEFINE_PROCEDURE(phy_reset, phy_reset_wait, phy_reset_complete);\n+DEFINE_PROCEDURE(phy_reset, phy_reset_wait, phy_reset_complete,\n+\t\t enable_low_power);\n \n /* Procedure 1.2.6 - I/O PHY Tx Impedance Calibration */\n static uint32_t phy_tx_zcal(struct npu2_dev *ndev)\ndiff --git a/include/npu2-regs.h b/include/npu2-regs.h\nindex 86e2658..24d8549 100644\n--- a/include/npu2-regs.h\n+++ b/include/npu2-regs.h\n@@ -248,6 +248,12 @@ void npu2_write_mask(struct npu2 *p, uint64_t reg, uint64_t val, uint64_t mask);\n #define NPU2_NTL_MISC_CFG1(ndev)\t\tNPU2_NTLU_REG_OFFSET(ndev, 0x0C0)\n #define NPU2_NTL_SCRATCH1(ndev)\t\t\tNPU2_NTLU_REG_OFFSET(ndev, 0x0D0)\n #define NPU2_NTL_LOW_POWER_CFG(ndev)\t\tNPU2_NTLU_REG_OFFSET(ndev, 0x0E0)\n+#define NPU2_NTL_LOW_POWER_CFG_MODE_ENABLE\t\tPPC_BIT(0)\n+#define NPU2_NTL_LOW_POWER_CFG_ONLY_MODE\t\tPPC_BIT(1)\n+#define NPU2_NTL_LOW_POWER_CFG_TIMER_TICK_CONFIG\tPPC_BITMASK(2,7)\n+#define NPU2_NTL_LOW_POWER_CFG_MIN_CRED_THRESH\tPPC_BITMASK(8,19)\n+#define NPU2_NTL_LOW_POWER_CFG_MAX_CRED_THRESH\tPPC_BITMASK(20,31)\n+#define NPU2_NTL_LOW_POWER_CFG_CNT_THRESH\t\tPPC_BITMASK(32,43)\n #define NPU2_NTL_DBG_INHIBIT_CFG(ndev)\t\tNPU2_NTL_REG_OFFSET(ndev, 0x220)\n #define NPU2_NTL_DISPLAY_CTL(ndev)\t\tNPU2_NTL_REG_OFFSET(ndev, 0x280)\n #define NPU2_NTL_DISPLAY_DATA0(ndev)\t\tNPU2_NTL_REG_OFFSET(ndev, 0x288)\n", "prefixes": [] }