diff options
| author | John Garry <john.garry@huawei.com> | 2016-01-25 19:47:10 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 03:27:02 +0100 |
| commit | 806bb768a2c2d4887e64df9d6a46056f8cf19dbe (patch) | |
| tree | cc8e66e61a924d589b4759ad9d5cdeb6aef963d6 /drivers/scsi/hisi_sas | |
| parent | hisi_sas: add v2 hw init (diff) | |
| download | linux-806bb768a2c2d4887e64df9d6a46056f8cf19dbe.tar.xz linux-806bb768a2c2d4887e64df9d6a46056f8cf19dbe.zip | |
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/hisi_sas')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 40 |
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; } |