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authorJohn Garry <john.garry@huawei.com>2016-01-26 02:47:10 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-23 21:27:02 -0500
commit806bb768a2c2d4887e64df9d6a46056f8cf19dbe (patch)
treecc8e66e61a924d589b4759ad9d5cdeb6aef963d6 /drivers/scsi
parent94eac9e1abb9f480e4f2d436dc2fea78131f5f16 (diff)
hisi_sas: add init_id_frame_v2_hw()
Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v2_hw.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index da9c375cdff9..6f053333dfd6 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -288,6 +288,44 @@ static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
return readl(regs);
}
+static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+ struct sas_identify_frame identify_frame;
+ u32 *identify_buffer;
+
+ memset(&identify_frame, 0, sizeof(identify_frame));
+ identify_frame.dev_type = SAS_END_DEVICE;
+ identify_frame.frame_type = 0;
+ identify_frame._un1 = 1;
+ identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
+ identify_frame.target_bits = SAS_PROTOCOL_NONE;
+ memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+ memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+ identify_frame.phy_id = phy_no;
+ identify_buffer = (u32 *)(&identify_frame);
+
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
+ __swab32(identify_buffer[0]));
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
+ identify_buffer[2]);
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
+ identify_buffer[1]);
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
+ identify_buffer[4]);
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
+ identify_buffer[3]);
+ hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
+ __swab32(identify_buffer[5]));
+}
+
+static void init_id_frame_v2_hw(struct hisi_hba *hisi_hba)
+{
+ int i;
+
+ for (i = 0; i < hisi_hba->n_phy; i++)
+ config_id_frame_v2_hw(hisi_hba, i);
+}
+
static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
{
int i, reset_val;
@@ -520,6 +558,8 @@ static int hw_init_v2_hw(struct hisi_hba *hisi_hba)
msleep(100);
init_reg_v2_hw(hisi_hba);
+ init_id_frame_v2_hw(hisi_hba);
+
return 0;
}