From patchwork Mon Jan 25 17:22:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 60386 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp1481552lbb; Mon, 25 Jan 2016 09:12:02 -0800 (PST) X-Received: by 10.98.32.156 with SMTP id m28mr27396741pfj.74.1453741918129; Mon, 25 Jan 2016 09:11:58 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p13si34844610pfi.234.2016.01.25.09.11.57 for ; Mon, 25 Jan 2016 09:11:58 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-scsi-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-scsi-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-scsi-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757928AbcAYRLy (ORCPT ); Mon, 25 Jan 2016 12:11:54 -0500 Received: from szxga01-in.huawei.com ([58.251.152.64]:55360 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757974AbcAYRI4 (ORCPT ); Mon, 25 Jan 2016 12:08:56 -0500 Received: from 172.24.1.47 (EHLO szxeml434-hub.china.huawei.com) ([172.24.1.47]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DDR80328; Tue, 26 Jan 2016 01:08:49 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml434-hub.china.huawei.com (10.82.67.225) with Microsoft SMTP Server id 14.3.235.1; Tue, 26 Jan 2016 01:08:35 +0800 From: j00310691 To: , , , , , , CC: , , , , , , , , John Garry Subject: [PATCH v2 11/23] hisi_sas: add v2 phy init code Date: Tue, 26 Jan 2016 01:22:00 +0800 Message-ID: <1453742532-53092-12-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453742532-53092-1-git-send-email-john.garry@huawei.com> References: <1453742532-53092-1-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=0001.0A020204.56A656A1.01C0, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 3f6e4fa08864154ade877016db656c2f Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: John Garry Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 49 ++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 6f05333..1990d65 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -288,6 +288,15 @@ static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba, return readl(regs); } +static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no) +{ + u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); + + cfg &= ~PHY_CFG_DC_OPT_MSK; + cfg |= 1 << PHY_CFG_DC_OPT_OFF; + hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); +} + static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no) { struct sas_identify_frame identify_frame; @@ -563,6 +572,44 @@ static int hw_init_v2_hw(struct hisi_hba *hisi_hba) return 0; } +static void enable_phy_v2_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_v2_hw(struct hisi_hba *hisi_hba, int phy_no) +{ + config_id_frame_v2_hw(hisi_hba, phy_no); + config_phy_opt_mode_v2_hw(hisi_hba, phy_no); + enable_phy_v2_hw(hisi_hba, phy_no); +} + +static void start_phys_v2_hw(unsigned long data) +{ + struct hisi_hba *hisi_hba = (struct hisi_hba *)data; + int i; + + for (i = 0; i < hisi_hba->n_phy; i++) + start_phy_v2_hw(hisi_hba, i); +} + +static void phys_init_v2_hw(struct hisi_hba *hisi_hba) +{ + int i; + struct timer_list *timer = &hisi_hba->timer; + + for (i = 0; i < hisi_hba->n_phy; i++) { + hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a); + hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK); + } + + setup_timer(timer, start_phys_v2_hw, (unsigned long)hisi_hba); + mod_timer(timer, jiffies + HZ); +} + static int hisi_sas_v2_init(struct hisi_hba *hisi_hba) { int rc; @@ -571,6 +618,8 @@ static int hisi_sas_v2_init(struct hisi_hba *hisi_hba) if (rc) return rc; + phys_init_v2_hw(hisi_hba); + return 0; }