From patchwork Wed Aug 30 22:38:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Reza Arbab X-Patchwork-Id: 807950 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xjL5D1J3Mz9s83 for ; Thu, 31 Aug 2017 08:38:40 +1000 (AEST) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3xjL5D0G6yzDqR9 for ; Thu, 31 Aug 2017 08:38:40 +1000 (AEST) X-Original-To: skiboot@lists.ozlabs.org Delivered-To: skiboot@lists.ozlabs.org Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3xjL563My4zDqNY for ; Thu, 31 Aug 2017 08:38:34 +1000 (AEST) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v7UMbTK8007195 for ; Wed, 30 Aug 2017 18:38:31 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0a-001b2d01.pphosted.com with ESMTP id 2cnyf57bsg-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 30 Aug 2017 18:38:31 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 30 Aug 2017 16:38:29 -0600 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v7UMcTTI65929386; Wed, 30 Aug 2017 15:38:29 -0700 Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EA8C1136040; Wed, 30 Aug 2017 16:38:28 -0600 (MDT) Received: from arbab-laptop.localdomain (unknown [9.53.92.213]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP id CBFD813603C; Wed, 30 Aug 2017 16:38:28 -0600 (MDT) Received: by arbab-laptop.localdomain (Postfix, from userid 152845) id DB32746074D; Wed, 30 Aug 2017 17:38:27 -0500 (CDT) From: Reza Arbab To: skiboot@lists.ozlabs.org Date: Wed, 30 Aug 2017 17:38:27 -0500 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1504132707-10406-1-git-send-email-arbab@linux.vnet.ibm.com> References: <1504132707-10406-1-git-send-email-arbab@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17083022-0020-0000-0000-00000CA3AE6C X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007638; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000226; SDB=6.00909922; UDB=6.00456405; IPR=6.00690206; BA=6.00005562; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016933; XFM=3.00000015; UTC=2017-08-30 22:38:31 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17083022-0021-0000-0000-00005DEF896F Message-Id: <1504132707-10406-4-git-send-email-arbab@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-08-30_09:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1708300344 Subject: [Skiboot] [PATCH 3/3] npu2: hw-procedures: Update PHY DC calibration procedure X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alistair Popple MIME-Version: 1.0 Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" Per the updated programming guide (procedure 1.2.4), set rx_pr_edge_track_cntl and rx_pr_fw_off appropriately before and after calibration. Signed-off-by: Reza Arbab Reviewed-by: Andrew Donnellan --- hw/npu2-hw-procedures.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/hw/npu2-hw-procedures.c b/hw/npu2-hw-procedures.c index 5ccc1a0..a140aed 100644 --- a/hw/npu2-hw-procedures.c +++ b/hw/npu2-hw-procedures.c @@ -59,6 +59,8 @@ struct npu2_phy_reg NPU2_PHY_TX_UNLOAD_CLK_DISABLE = {0x103, 56, 1}; struct npu2_phy_reg NPU2_PHY_TX_FIFO_INIT = {0x105, 53, 1}; struct npu2_phy_reg NPU2_PHY_TX_RXCAL = {0x103, 57, 1}; struct npu2_phy_reg NPU2_PHY_RX_INIT_DONE = {0x0ca, 48, 1}; +struct npu2_phy_reg NPU2_PHY_RX_PR_EDGE_TRACK_CNTL = {0x092, 48, 2}; +struct npu2_phy_reg NPU2_PHY_RX_PR_FW_OFF = {0x08a, 56, 1}; /* These registers are per-PHY, not per lane */ struct npu2_phy_reg NPU2_PHY_TX_ZCAL_SWO_EN = {0x3c9, 48, 1}; @@ -521,6 +523,9 @@ static uint32_t phy_rx_dccal(struct npu2_dev *ndev) int lane; FOR_EACH_LANE(ndev, lane) + phy_write_lane(ndev, &NPU2_PHY_RX_PR_FW_OFF, lane, 1); + + FOR_EACH_LANE(ndev, lane) phy_write_lane(ndev, &NPU2_PHY_RX_RUN_DCCAL, lane, 1); return PROCEDURE_NEXT; @@ -537,8 +542,11 @@ static uint32_t phy_rx_dccal_complete(struct npu2_dev *ndev) FOR_EACH_LANE(ndev, lane) phy_write_lane(ndev, &NPU2_PHY_RX_RUN_DCCAL, lane, 0); - FOR_EACH_LANE(ndev, lane) + FOR_EACH_LANE(ndev, lane) { phy_write_lane(ndev, &NPU2_PHY_RX_B_BANK_CONTROLS, lane, 0); + phy_write_lane(ndev, &NPU2_PHY_RX_PR_EDGE_TRACK_CNTL, lane, 0); + phy_write_lane(ndev, &NPU2_PHY_RX_PR_FW_OFF, lane, 0); + } return PROCEDURE_NEXT; }