diff options
| author | Kejian Yan <yankejian@huawei.com> | 2016-06-21 11:56:27 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-21 04:51:54 -0400 |
| commit | 89a6b1aae844a89f6724b22c63803bb6fbe5677b (patch) | |
| tree | f075ceebe3c4ec294496d0facdf2079224986280 | |
| parent | 39c944179483a1f81e9b6c382edc667bbd24c4a6 (diff) | |
net: hns: select Hilink before serdes loopback for HNS V2
As Hilink3 and Hilink4 use the same xge training and xge u adaptor for
HNSv2, it needs to select which Hilink to be set before relative serdes
being configed. The hilink_access_sel is the register to do that.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index 09e60d6e3c94..aff9d779156d 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -435,11 +435,6 @@ int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt) */ static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en) { - /* port 0-3 hilink4 base is serdes_vaddr + 0x00280000 - * port 4-7 hilink3 base is serdes_vaddr + 0x00200000 - */ - u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + - (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); const u8 lane_id[] = { 0, /* mac 0 -> lane 0 */ 1, /* mac 1 -> lane 1 */ @@ -465,11 +460,30 @@ static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en) } if (mac_cb->serdes_ctrl) { - u32 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset); + u32 origin; + + if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) { +#define HILINK_ACCESS_SEL_CFG 0x40008 + /* hilink4 & hilink3 use the same xge training and + * xge u adaptor. There is a hilink access sel cfg + * register to select which one to be configed + */ + if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) && + (mac_cb->mac_id <= 3)) + dsaf_write_syscon(mac_cb->serdes_ctrl, + HILINK_ACCESS_SEL_CFG, 0); + else + dsaf_write_syscon(mac_cb->serdes_ctrl, + HILINK_ACCESS_SEL_CFG, 3); + } + + origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset); dsaf_set_field(origin, 1ull << 10, 10, en); dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin); } else { + u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + + (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en); } |