From patchwork Wed Jun 14 15:33:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 9786473 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 73F9F60325 for ; Wed, 14 Jun 2017 15:13:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 68383285CE for ; Wed, 14 Jun 2017 15:13:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5CE01285DC; Wed, 14 Jun 2017 15:13:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE3BA285CE for ; Wed, 14 Jun 2017 15:13:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752555AbdFNPNA (ORCPT ); Wed, 14 Jun 2017 11:13:00 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:7423 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752447AbdFNPEL (ORCPT ); Wed, 14 Jun 2017 11:04:11 -0400 Received: from 172.30.72.54 (EHLO dggeml406-hub.china.huawei.com) ([172.30.72.54]) by dggrg03-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id APJ61005; Wed, 14 Jun 2017 23:03:29 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by dggeml406-hub.china.huawei.com (10.3.17.50) with Microsoft SMTP Server id 14.3.301.0; Wed, 14 Jun 2017 23:03:19 +0800 From: John Garry To: , CC: , , , , , "Xiang Chen" , John Garry Subject: [PATCH v6 21/22] scsi: hisi_sas: add v3 code to fill some more hw function pointers Date: Wed, 14 Jun 2017 23:33:31 +0800 Message-ID: <1497454412-91194-22-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1497454412-91194-1-git-send-email-john.garry@huawei.com> References: <1497454412-91194-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.59415042.008E, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: d8e05f512f58180fceafc0db143622a3 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Xiang Chen Add code to fill the interface of phy_hard_reset, phy_get_max_linkrate, and phy enable/disable. Signed-off-by: John Garry Signed-off-by: Xiang Chen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 39 ++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 3cd4b9a..cf1eb47 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -129,6 +129,8 @@ #define TXID_AUTO (PORT_BASE + 0xb8) #define CT3_OFF 1 #define CT3_MSK (0x1 << CT3_OFF) +#define TX_HARDRST_OFF 2 +#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF) #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4) #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc) #define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134) @@ -596,6 +598,14 @@ static void enable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); } +static void disable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) +{ + u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); + + cfg &= ~PHY_CFG_ENA_MSK; + hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); +} + static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) { config_id_frame_v3_hw(hisi_hba, phy_no); @@ -603,6 +613,11 @@ static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) enable_phy_v3_hw(hisi_hba, phy_no); } +static void stop_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no) +{ + disable_phy_v3_hw(hisi_hba, phy_no); +} + static void start_phys_v3_hw(struct hisi_hba *hisi_hba) { int i; @@ -611,6 +626,26 @@ static void start_phys_v3_hw(struct hisi_hba *hisi_hba) start_phy_v3_hw(hisi_hba, i); } +static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no) +{ + struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; + u32 txid_auto; + + stop_phy_v3_hw(hisi_hba, phy_no); + if (phy->identify.device_type == SAS_END_DEVICE) { + txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO); + hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO, + txid_auto | TX_HARDRST_MSK); + } + msleep(100); + start_phy_v3_hw(hisi_hba, phy_no); +} + +enum sas_linkrate phy_get_max_linkrate_v3_hw(void) +{ + return SAS_LINK_RATE_12_0_GBPS; +} + static void phys_init_v3_hw(struct hisi_hba *hisi_hba) { start_phys_v3_hw(hisi_hba); @@ -1574,6 +1609,10 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba) .start_delivery = start_delivery_v3_hw, .slot_complete = slot_complete_v3_hw, .phys_init = phys_init_v3_hw, + .phy_enable = enable_phy_v3_hw, + .phy_disable = disable_phy_v3_hw, + .phy_hard_reset = phy_hard_reset_v3_hw, + .phy_get_max_linkrate = phy_get_max_linkrate_v3_hw, }; static struct Scsi_Host *