[dpdk-dev] [PATCH v4 04/13] net/enetc: set interface mode for SXGMII

[Gagandeep Singh]

Support for SXGMII port has been enabled. It will
depends on boot loader information passed through IERB.

Signed-off-by: Gagandeep Singh <g.si...@nxp.com>
---
 drivers/net/enetc/base/enetc_hw.h | 13 ++++++++++++-
 drivers/net/enetc/enetc_ethdev.c  | 11 +++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/net/enetc/base/enetc_hw.h 
b/drivers/net/enetc/base/enetc_hw.h
index f36fa11e0..e3738a695 100644
--- a/drivers/net/enetc/base/enetc_hw.h
+++ b/drivers/net/enetc/base/enetc_hw.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018 NXP
+ * Copyright 2018-2019 NXP
  */
 
 #ifndef _ENETC_HW_H_
@@ -84,6 +84,12 @@ enum enetc_bdr_type {TX, RX};
 #define ENETC_PSIPMAR1(n)              (0x00104 + (n) * 0x20)
 #define ENETC_PCAPR0                   0x00900
 #define ENETC_PCAPR1                   0x00904
+#define ENETC_PM0_IF_MODE              0x8300
+#define ENETC_PM1_IF_MODE              0x9300
+#define ENETC_PMO_IFM_RG               BIT(2)
+#define ENETC_PM0_IFM_RLP              (BIT(5) | BIT(11))
+#define ENETC_PM0_IFM_RGAUTO           (BIT(15) | ENETC_PMO_IFM_RG | BIT(1))
+#define ENETC_PM0_IFM_XGMII            BIT(12)
 
 #define ENETC_PV0CFGR(n)               (0x00920 + (n) * 0x10)
 #define ENETC_PVCFGR_SET_TXBDR(val)    ((val) & 0xff)
@@ -109,6 +115,11 @@ enum enetc_bdr_type {TX, RX};
 #define ENETC_G_EIPBRR0                        0x00bf8
 #define ENETC_G_EIPBRR1                        0x00bfc
 
+
+/* MAC Counters */
+#define ENETC_G_EPFBLPR(n)             (0xd00 + 4 * (n))
+#define ENETC_G_EPFBLPR1_XGMII         0x80000000
+
 /* general register accessors */
 #define enetc_rd_reg(reg)      rte_read32((void *)(reg))
 #define enetc_wr_reg(reg, val) rte_write32((val), (void *)(reg))
diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c
index f1807b901..91e9692d6 100644
--- a/drivers/net/enetc/enetc_ethdev.c
+++ b/drivers/net/enetc/enetc_ethdev.c
@@ -139,6 +139,17 @@ enetc_dev_start(struct rte_eth_dev *dev)
        ENETC_REG_WRITE(ENETC_GET_HW_ADDR(hw->hw.port, ENETC_PMR),
                        val | ENETC_PMR_EN);
 
+       /* set auto-speed for RGMII */
+       if (enetc_port_rd(&hw->hw, ENETC_PM0_IF_MODE) & ENETC_PMO_IFM_RG) {
+               enetc_port_wr(&hw->hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_RGAUTO);
+               enetc_port_wr(&hw->hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_RGAUTO);
+       }
+       if (enetc_global_rd(&hw->hw,
+                           ENETC_G_EPFBLPR(1)) == ENETC_G_EPFBLPR1_XGMII) {
+               enetc_port_wr(&hw->hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_XGMII);
+               enetc_port_wr(&hw->hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_XGMII);
+       }
+
        return 0;
 }
 
-- 
2.19.1