From: Danylo Vodopianov <dvo-...@napatech.com>

Initialize NIM and PHY settings for Agilex FPGA ports

Signed-off-by: Danylo Vodopianov <dvo-...@napatech.com>
---
 drivers/net/ntnic/include/ntnic_nim.h         |   5 +
 .../link_agx_100g/nt4ga_agx_link_100g.c       |  86 ++++++++-
 drivers/net/ntnic/meson.build                 |   1 +
 drivers/net/ntnic/nim/i2c_nim.c               |   8 +
 drivers/net/ntnic/nim/i2c_nim.h               |   3 +
 .../ntnic/nthw/core/include/nthw_pcal6416a.h  |  19 ++
 .../ntnic/nthw/core/include/nthw_phy_tile.h   |  62 +++++++
 .../nthw/core/include/nthw_si5332_si5156.h    |  18 ++
 drivers/net/ntnic/nthw/core/nthw_phy_tile.c   | 173 ++++++++++++++++++
 drivers/net/ntnic/nthw/nthw_drv.h             |   8 +
 10 files changed, 382 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ntnic/nthw/core/include/nthw_pcal6416a.h
 create mode 100644 drivers/net/ntnic/nthw/core/include/nthw_phy_tile.h
 create mode 100644 drivers/net/ntnic/nthw/core/include/nthw_si5332_si5156.h
 create mode 100644 drivers/net/ntnic/nthw/core/nthw_phy_tile.c

diff --git a/drivers/net/ntnic/include/ntnic_nim.h 
b/drivers/net/ntnic/include/ntnic_nim.h
index 58daa8435f..3e97a9a8b2 100644
--- a/drivers/net/ntnic/include/ntnic_nim.h
+++ b/drivers/net/ntnic/include/ntnic_nim.h
@@ -7,9 +7,12 @@
 #define _NTNIC_NIM_H_
 
 #include <stdint.h>
+#include "nthw_pcal6416a.h"
+#include "nthw_i2cm.h"
 
 typedef enum i2c_type {
        I2C_HWIIC,
+       I2C_HWAGX
 } i2c_type_e;
 
 enum nt_port_type_e {
@@ -38,7 +41,9 @@ typedef struct nim_i2c_ctx {
        union {
                nthw_iic_t hwiic;       /* depends on *Fpga_t, instance number, 
and cycle time */
                struct {
+                       nthw_pcal6416a_t *p_io_nim;
                        nthw_i2cm_t *p_nt_i2cm;
+                       nthw_pca9849_t *p_ca9849;
                        int mux_channel;
                } hwagx;
        };
diff --git a/drivers/net/ntnic/link_mgmt/link_agx_100g/nt4ga_agx_link_100g.c 
b/drivers/net/ntnic/link_mgmt/link_agx_100g/nt4ga_agx_link_100g.c
index 9db32443fc..a6455ee598 100644
--- a/drivers/net/ntnic/link_mgmt/link_agx_100g/nt4ga_agx_link_100g.c
+++ b/drivers/net/ntnic/link_mgmt/link_agx_100g/nt4ga_agx_link_100g.c
@@ -12,6 +12,7 @@
 #include "ntnic_mod_reg.h"
 #include "nim_defines.h"
 #include "nthw_gfg.h"
+#include "nthw_phy_tile.h"
 
 static int nt4ga_agx_link_100g_ports_init(struct adapter_info_s 
*p_adapter_info,
        nthw_fpga_t *fpga);
@@ -28,6 +29,58 @@ void link_agx_100g_init(void)
        register_agx_100g_link_ops(&link_agx_100g_ops);
 }
 
+/*
+ * Utility functions
+ */
+
+static int swap_tx_rx_polarity(adapter_info_t *drv, int port, bool swap)
+{
+       /*
+        * Mapping according to schematics
+        * I: Inversion, N: Non-inversion
+        *
+        *  Port 0: PMA0/FGT0
+        *  FPGA QSFP Tx Rx
+        *  ---------------
+        *  Q3C0 Ch4  I  I
+        *  Q3C1 Ch2  I  I
+        *  Q3C2 Ch1  I  N
+        *  Q3C3 Ch3  I  I
+        *
+        *  Port 1: PMA1/FGT1
+        *  FPGA QSFP Tx Rx
+        *  ---------------
+        *  Q2C0 Ch4  I  I
+        *  Q2C1 Ch2  I  I
+        *  Q2C2 Ch1  N  I
+        *  Q2C3 Ch3  N  N
+        */
+
+       bool rx_polarity_swap[2][4] = { { false, true, true, true }, { true, 
false, true, true } };
+       bool tx_polarity_swap[2][4] = { { false, false, true, true }, { true, 
true, true, true } };
+
+       nthw_phy_tile_t *p = drv->fpga_info.mp_nthw_agx.p_phy_tile;
+
+       if (p) {
+               for (uint8_t lane = 0; lane < 4; lane++) {
+                       if (swap) {
+                               nthw_phy_tile_set_tx_pol_inv(p, port, lane,
+                                       tx_polarity_swap[port][lane]);
+                               nthw_phy_tile_set_rx_pol_inv(p, port, lane,
+                                       rx_polarity_swap[port][lane]);
+
+                       } else {
+                               nthw_phy_tile_set_tx_pol_inv(p, port, lane, 
false);
+                               nthw_phy_tile_set_rx_pol_inv(p, port, lane, 
false);
+                       }
+               }
+
+               return 0;
+       }
+
+       return -1;
+}
+
 /*
  * Link state machine
  */
@@ -134,15 +187,18 @@ static uint32_t nt4ga_agx_link_100g_mon(void *data)
  */
 int nt4ga_agx_link_100g_ports_init(struct adapter_info_s *p_adapter_info, 
nthw_fpga_t *fpga)
 {
-       (void)fpga;
+       fpga_info_t *fpga_info = &p_adapter_info->fpga_info;
        nt4ga_link_t *nt4ga_link = &p_adapter_info->nt4ga_link;
        const int adapter_no = p_adapter_info->adapter_no;
+       const int nb_ports = fpga_info->n_phy_ports;
        int res = 0;
+       int i;
 
        NT_LOG(DBG, NTNIC, "%s: Initializing ports", 
p_adapter_info->mp_adapter_id_str);
 
        if (!nt4ga_link->variables_initialized) {
                nthw_gfg_t *gfg_mod = 
p_adapter_info->nt4ga_link.u.var_a100g.gfg;
+               nim_i2c_ctx_t *nim_ctx = 
p_adapter_info->nt4ga_link.u.var_a100g.nim_ctx;
                nthw_agx_t *p_nthw_agx = &p_adapter_info->fpga_info.mp_nthw_agx;
 
                p_nthw_agx->p_rpf = nthw_rpf_new();
@@ -161,6 +217,34 @@ int nt4ga_agx_link_100g_ports_init(struct adapter_info_s 
*p_adapter_info, nthw_f
                                p_adapter_info->mp_adapter_id_str, res);
                        return res;
                }
+
+               for (i = 0; i < nb_ports; i++) {
+                       /* 2 + adapter port number */
+                       const uint8_t instance = (uint8_t)(2U + i);
+                       nim_agx_setup(&nim_ctx[i], p_nthw_agx->p_io_nim, 
p_nthw_agx->p_i2cm,
+                               p_nthw_agx->p_pca9849);
+                       nim_ctx[i].hwagx.mux_channel = i;
+                       nim_ctx[i].instance = instance; /* not used */
+                       nim_ctx[i].devaddr = 0; /* not used */
+                       nim_ctx[i].regaddr = 0; /* not used */
+                       nim_ctx[i].type = I2C_HWAGX;
+
+                       nthw_gfg_stop(&gfg_mod[adapter_no], i);
+
+                       for (uint8_t lane = 0; lane < 4; lane++) {
+                               
nthw_phy_tile_set_host_loopback(p_nthw_agx->p_phy_tile, i, lane,
+                                       false);
+                       }
+
+                       swap_tx_rx_polarity(p_adapter_info, i, true);
+               }
+
+               nthw_rpf_set_ts_at_eof(p_nthw_agx->p_rpf, true);
+
+               if (res == 0) {
+                       p_adapter_info->nt4ga_link.speed_capa = 
NT_LINK_SPEED_100G;
+                       p_adapter_info->nt4ga_link.variables_initialized = true;
+               }
        }
 
        /*
diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index 68d7fdafd4..4799ebfb8e 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -55,6 +55,7 @@ sources = files(
         'nthw/core/nthw_iic.c',
         'nthw/core/nthw_mac_pcs.c',
         'nthw/core/nthw_pcie3.c',
+        'nthw/core/nthw_phy_tile.c',
         'nthw/core/nthw_rpf.c',
         'nthw/core/nthw_rmc.c',
         'nthw/core/nthw_sdc.c',
diff --git a/drivers/net/ntnic/nim/i2c_nim.c b/drivers/net/ntnic/nim/i2c_nim.c
index e6f7755ded..7dbbdb8873 100644
--- a/drivers/net/ntnic/nim/i2c_nim.c
+++ b/drivers/net/ntnic/nim/i2c_nim.c
@@ -795,3 +795,11 @@ int construct_and_preinit_nim(nim_i2c_ctx_p ctx, void 
*extra)
 
        return res;
 }
+
+void nim_agx_setup(struct nim_i2c_ctx *ctx, nthw_pcal6416a_t *p_io_nim, 
nthw_i2cm_t *p_nt_i2cm,
+       nthw_pca9849_t *p_ca9849)
+{
+       ctx->hwagx.p_nt_i2cm = p_nt_i2cm;
+       ctx->hwagx.p_ca9849 = p_ca9849;
+       ctx->hwagx.p_io_nim = p_io_nim;
+}
diff --git a/drivers/net/ntnic/nim/i2c_nim.h b/drivers/net/ntnic/nim/i2c_nim.h
index edb6dcf1b6..09837448c6 100644
--- a/drivers/net/ntnic/nim/i2c_nim.h
+++ b/drivers/net/ntnic/nim/i2c_nim.h
@@ -33,4 +33,7 @@ int nim_qsfp_plus_nim_set_tx_laser_disable(nim_i2c_ctx_t 
*ctx, bool disable, int
  */
 int construct_and_preinit_nim(nim_i2c_ctx_p ctx, void *extra);
 
+void nim_agx_setup(struct nim_i2c_ctx *ctx, nthw_pcal6416a_t *p_io_nim, 
nthw_i2cm_t *p_nt_i2cm,
+       nthw_pca9849_t *p_ca9849);
+
 #endif /* I2C_NIM_H_ */
diff --git a/drivers/net/ntnic/nthw/core/include/nthw_pcal6416a.h 
b/drivers/net/ntnic/nthw/core/include/nthw_pcal6416a.h
new file mode 100644
index 0000000000..636d2beb85
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/include/nthw_pcal6416a.h
@@ -0,0 +1,19 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+#ifndef __NTHW_PCAL6416A_H__
+#define __NTHW_PCAL6416A_H__
+
+#include <stdint.h>
+
+/*
+ * PCAL6416A I/O expander class
+ */
+
+struct nthw_pcal6416a {
+};
+
+typedef struct nthw_pcal6416a nthw_pcal6416a_t;
+
+#endif /* __NTHW_PCAL6416A_H__ */
diff --git a/drivers/net/ntnic/nthw/core/include/nthw_phy_tile.h 
b/drivers/net/ntnic/nthw/core/include/nthw_phy_tile.h
new file mode 100644
index 0000000000..930c897046
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/include/nthw_phy_tile.h
@@ -0,0 +1,62 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTHW_PHY_TILE_H__
+#define __NTHW_PHY_TILE_H__
+
+#include "nthw_fpga_model.h"
+
+struct nt_phy_tile {
+       nthw_fpga_t *mp_fpga;
+
+       int mn_phy_tile_instance;
+
+       int mn_fpga_version;
+       int mn_fpga_revision;
+
+       nthw_register_t *mp_reg_port_xcvr_base[2][4];
+       nthw_field_t *mp_fld_port_xcvr_base_ptr[2][4];
+       nthw_field_t *mp_fld_port_xcvr_base_busy[2][4];
+       nthw_field_t *mp_fld_port_xcvr_base_cmd[2][4];
+
+       nthw_field_t *mp_fld_port_xcvr_data_data[2][4];
+
+       nthw_register_t *mp_reg_port_eth_base[2];
+       nthw_field_t *mp_fld_port_eth_base_ptr[2];
+       nthw_field_t *mp_fld_port_eth_base_busy[2];
+       nthw_field_t *mp_fld_port_eth_base_cmd[2];
+
+       nthw_field_t *mp_fld_port_eth_data_data[2];
+
+       nthw_register_t *mp_reg_link_summary[2];
+       nthw_field_t *mp_fld_link_summary_nt_phy_link_state[2];
+       nthw_field_t *mp_fld_link_summary_ll_nt_phy_link_state[2];
+       nthw_field_t *mp_fld_link_summary_link_down_cnt[2];
+       nthw_field_t *mp_fld_link_summary_lh_remote_fault[2];
+
+       nthw_field_t *mp_fld_port_status_tx_reset_ackn[2];
+       nthw_field_t *mp_fld_port_status_rx_reset_ackn[2];
+
+       nthw_field_t *mp_fld_port_config_rx_reset[2];
+       nthw_field_t *mp_fld_port_config_tx_reset[2];
+
+       nthw_field_t *mp_fld_scratch_data;
+};
+
+typedef struct nt_phy_tile nthw_phy_tile_t;
+typedef struct nt_phy_tile nt_phy_tile;
+
+void nthw_phy_tile_set_tx_pol_inv(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, bool invert);
+void nthw_phy_tile_set_rx_pol_inv(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, bool invert);
+void nthw_phy_tile_set_host_loopback(nthw_phy_tile_t *p, uint8_t intf_no, 
uint8_t lane,
+       bool enable);
+void nthw_phy_tile_set_rx_reset(nthw_phy_tile_t *p, uint8_t intf_no, bool 
reset);
+
+uint32_t nthw_phy_tile_read_xcvr(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane,
+       uint32_t address);
+void nthw_phy_tile_write_xcvr(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, uint32_t address,
+       uint32_t data);
+
+#endif /* __NTHW_PHY_TILE_H__ */
diff --git a/drivers/net/ntnic/nthw/core/include/nthw_si5332_si5156.h 
b/drivers/net/ntnic/nthw/core/include/nthw_si5332_si5156.h
new file mode 100644
index 0000000000..fb44c62f12
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/include/nthw_si5332_si5156.h
@@ -0,0 +1,18 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTHW_SI5332_SI5156_H__
+#define __NTHW_SI5332_SI5156_H__
+
+/*
+ * PCA9849 I2c mux class
+ */
+
+struct nthw_pca9849 {
+};
+
+typedef struct nthw_pca9849 nthw_pca9849_t;
+
+#endif /* __NTHW_SI5332_SI5156_H__ */
diff --git a/drivers/net/ntnic/nthw/core/nthw_phy_tile.c 
b/drivers/net/ntnic/nthw/core/nthw_phy_tile.c
new file mode 100644
index 0000000000..fd7a1e1214
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/nthw_phy_tile.c
@@ -0,0 +1,173 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include "nt_util.h"
+#include "ntlog.h"
+
+#include "nthw_drv.h"
+#include "nthw_register.h"
+
+#include "nthw_phy_tile.h"
+#include "nthw_helper.h"
+
+static const uint32_t link_addr = 0x9003C;
+static const uint32_t phy_addr = 0x90040;
+/* CPI option flags */
+static const uint32_t cpi_set = 0x2000;        /* 1 << 13 */
+static const uint32_t cpi_in_reset = 0x4000;   /* 1 << 14 */
+static const uint32_t bit_cpi_assert = 0x8000; /* 1 << 15 */
+/*
+ * Base Addresses for Avalon MM Secondary Components
+ * static const uint32_t ADDR_AVMM_DR_CTRL_INT                  =  0x10035000 
<< 0;
+ * static const uint32_t ADDR_GDR_P0_XCVR_RECONFIG_INT          =  0x00800000 
<< 0;
+ * static const uint32_t ADDR_GDR_P1_XCVR_RECONFIG_INT          =  0x00900000 
<< 0;
+ * static const uint32_t ADDR_GDR_P2_XCVR_RECONFIG_INT          =  0x00A00000 
<< 0;
+ * static const uint32_t ADDR_GDR_P3_XCVR_RECONFIG_INT          =  0x00B00000 
<< 0;
+ * static const uint32_t ADDR_GDR_P0_ETH_RECONFIG_INT           =  0x00000000 
<< 0;
+ * static const uint32_t ADDR_GDR_P1_ETH_RECONFIG_INT           =  0x00010000 
<< 0;
+ * static const uint32_t ADDR_GDR_P2_ETH_RECONFIG_INT           =  0x00020000 
<< 0;
+ * static const uint32_t ADDR_GDR_P3_ETH_RECONFIG_INT           =  0x00030000 
<< 0;
+ * static const uint32_t ADDR_GDR_PKT_CLIENT_CONFIG_INT         =  0x000100000 
<< 0;
+ * static const uint32_t ADDR_GDR_P0_25G_PKT_CLIENT_CONFIG_INT  =  0x000200000 
<< 0;
+ * static const uint32_t ADDR_GDR_P0_50G_PKT_CLIENT_CONFIG_INT  =  0x000300000 
<< 0;
+ *
+ * ETH AVMM USER SPACE Registers Address Map
+ */
+
+void nthw_phy_tile_set_rx_reset(nthw_phy_tile_t *p, uint8_t intf_no, bool 
reset)
+{
+       /* Reset is active low */
+       nthw_field_get_updated(p->mp_fld_port_config_rx_reset[intf_no]);
+
+       if (reset) {
+               nthw_field_clr_flush(p->mp_fld_port_config_rx_reset[intf_no]);
+
+               /* Wait for ack */
+               if (p->mp_fld_port_status_rx_reset_ackn[intf_no]) {
+                       int32_t count = 1000;
+
+                       do {
+                               nt_os_wait_usec(1000);  /* 1ms */
+                       } while 
(nthw_field_get_updated(p->mp_fld_port_status_rx_reset_ackn
+                               [intf_no]) && (--count > 0));
+
+                       if (count <= 0) {
+                               NT_LOG(ERR, NTHW, "intf_no %u: Time-out waiting 
for RxResetAck",
+                                       intf_no);
+                       }
+               }
+
+       } else {
+               nthw_field_set_flush(p->mp_fld_port_config_rx_reset[intf_no]);
+       }
+}
+
+uint32_t nthw_phy_tile_read_xcvr(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane,
+       uint32_t address)
+{
+       nthw_register_update(p->mp_reg_port_xcvr_base[intf_no][lane]);
+       nthw_field_set_val32(p->mp_fld_port_xcvr_base_cmd[intf_no][lane], 0);
+       nthw_field_set_val_flush32(p->mp_fld_port_xcvr_base_ptr[intf_no][lane], 
address);
+
+       while 
(nthw_field_get_updated(p->mp_fld_port_xcvr_base_busy[intf_no][lane]) == 1)
+               nt_os_wait_usec(100);
+
+       return 
nthw_field_get_updated(p->mp_fld_port_xcvr_data_data[intf_no][lane]);
+}
+
+void nthw_phy_tile_write_xcvr(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, uint32_t address,
+       uint32_t data)
+{
+       
nthw_field_set_val_flush32(p->mp_fld_port_xcvr_data_data[intf_no][lane], data);
+       nthw_register_update(p->mp_reg_port_xcvr_base[intf_no][lane]);
+       nthw_field_set_val32(p->mp_fld_port_xcvr_base_ptr[intf_no][lane], 
address);
+       nthw_field_set_val_flush32(p->mp_fld_port_xcvr_base_cmd[intf_no][lane], 
1);
+
+       while 
(nthw_field_get_updated(p->mp_fld_port_xcvr_base_busy[intf_no][lane]) == 1)
+               /* NT_LOG(INF, NTHW, "busy"); */
+               nt_os_wait_usec(100);
+}
+
+static uint32_t nthw_phy_tile_cpi_request(nthw_phy_tile_t *p, uint8_t intf_no, 
uint8_t lane,
+       uint32_t data, uint8_t op_code, uint32_t cpi_assert,
+       uint32_t cpi_set_get)
+{
+       uint32_t cpi_cmd;
+       uint32_t value = 0;
+       uint32_t xcvr_instance = lane;
+       uint32_t lane_offset = 0;
+       uint32_t quad_lane = 0;
+
+       /* Find quad lane */
+       quad_lane = nthw_phy_tile_read_xcvr(p, intf_no, lane, 0xFFFFC) & 0x3;
+
+       xcvr_instance = lane;
+       lane_offset = (uint32_t)(lane << 20);
+
+       cpi_cmd = (data << 16) | cpi_assert | cpi_set_get | (quad_lane << 8) | 
op_code;
+
+       nthw_phy_tile_write_xcvr(p, intf_no, lane, link_addr + lane_offset, 
cpi_cmd);
+
+       nt_os_wait_usec(10000);
+
+       for (int i = 20; i > 0; i--) {
+               data = nthw_phy_tile_read_xcvr(p, intf_no, lane, phy_addr + 
lane_offset);
+
+               value =
+                       nthw_field_get_updated(p->mp_fld_port_xcvr_data_data
+                               [intf_no][xcvr_instance]);
+
+               if (((value & bit_cpi_assert) == cpi_assert) && ((value & 
cpi_in_reset) == 0))
+                       break;
+
+               nt_os_wait_usec(10000);
+
+               if (i == 0)
+                       NT_LOG(ERR, NTHW, "Time out");
+       }
+
+       return value;
+}
+
+static void nthw_phy_tile_write_attribute(nthw_phy_tile_t *p, uint8_t intf_no, 
uint8_t lane,
+       uint8_t op_code, uint8_t data)
+{
+       /*
+        * p->cpi_set_get = 0x2000 #bit13: (1: set, 0: get)
+        * cpi_assert = 0x0000 #bit15: (1: assert, 0: deassert)
+        */
+       nthw_phy_tile_cpi_request(p, intf_no, lane, data, op_code, 
bit_cpi_assert, cpi_set);
+       nthw_phy_tile_cpi_request(p, intf_no, lane, data, op_code, 0x0000, 
cpi_set);
+}
+
+void nthw_phy_tile_set_tx_pol_inv(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, bool invert)
+{
+       nthw_phy_tile_write_attribute(p, intf_no, lane, 0x65, invert ? 1 : 0);
+       /*
+        * NT_LOG(INF, NTHW, "setTxPolInv intf_no %d, lane %d, inv %d ", 
intf_no, lane, invert);
+        * nthw_phy_tile_get_tx_pol_inv(p, intf_no, lane);
+        */
+}
+
+void nthw_phy_tile_set_rx_pol_inv(nthw_phy_tile_t *p, uint8_t intf_no, uint8_t 
lane, bool invert)
+{
+       nthw_phy_tile_write_attribute(p, intf_no, lane, 0x66, invert ? 1 : 0);
+       /*
+        * NT_LOG(INF, NTHW, "setRxPolInv intf_no %d, lane %d, inv %d ", 
intf_no, lane, invert);
+        * nthw_phy_tile_get_rx_pol_inv(p, intf_no, lane);
+        */
+}
+
+void nthw_phy_tile_set_host_loopback(nthw_phy_tile_t *p, uint8_t intf_no, 
uint8_t lane,
+       bool enable)
+{
+       nthw_phy_tile_set_rx_reset(p, intf_no, true);
+       nthw_phy_tile_write_attribute(p, intf_no, lane, 0x40, enable ? 0x06 : 
0);
+       nthw_phy_tile_set_rx_reset(p, intf_no, false);
+       /*
+        * NT_LOG(INF, NTHW, "setLoopback intf_no %d, lane %d, enable %d ",
+        * intf_no, lane, enable);
+        */
+}
diff --git a/drivers/net/ntnic/nthw/nthw_drv.h 
b/drivers/net/ntnic/nthw/nthw_drv.h
index 9dc839c83c..1fc8df52ce 100644
--- a/drivers/net/ntnic/nthw/nthw_drv.h
+++ b/drivers/net/ntnic/nthw/nthw_drv.h
@@ -9,12 +9,20 @@
 #include "nthw_core.h"
 #include "ntnic_dbs.h"
 
+#include "nthw_si5332_si5156.h"
+#include "nthw_pcal6416a.h"
+#include "nthw_phy_tile.h"
 #include "nthw_rpf.h"
+#include "nthw_phy_tile.h"
 
 /*
  * Structs for controlling Agilex based NT400DXX adapter
  */
 typedef struct nthw_agx_s {
+       nthw_i2cm_t *p_i2cm;
+       nthw_pca9849_t *p_pca9849;
+       nthw_pcal6416a_t *p_io_nim;     /* PCAL6416A I/O expander for 
controlling TS */
+       nthw_phy_tile_t *p_phy_tile;
        nthw_rpf_t *p_rpf;
 } nthw_agx_t;
 
-- 
2.45.0

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