[RESEND PATCH v2 11/23] hisi_sas: add v2 phy init code

[John Garry]

Signed-off-by: John Garry <john.ga...@huawei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 49 ++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

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;
 }
 
-- 
1.9.1

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