[dpdk-dev] [PATCH v4 07/58] net/txgbe: add EEPROM functions

[Jiawen Wu <jiawenwu@trustnetic.com>]

Add EEPROM functions.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/base/meson.build    |   2 +
 drivers/net/txgbe/base/txgbe.h        |   2 +
 drivers/net/txgbe/base/txgbe_eeprom.c | 581 ++++++++++++++++++++++++++
 drivers/net/txgbe/base/txgbe_eeprom.h |  49 +++
 drivers/net/txgbe/base/txgbe_hw.c     |  17 +
 drivers/net/txgbe/base/txgbe_mng.c    | 396 ++++++++++++++++++
 drivers/net/txgbe/base/txgbe_mng.h    | 176 ++++++++
 drivers/net/txgbe/base/txgbe_type.h   |  21 +
 drivers/net/txgbe/txgbe_ethdev.c      |  14 +
 9 files changed, 1258 insertions(+)
 create mode 100644 drivers/net/txgbe/base/txgbe_eeprom.c
 create mode 100644 drivers/net/txgbe/base/txgbe_eeprom.h
 create mode 100644 drivers/net/txgbe/base/txgbe_mng.c
 create mode 100644 drivers/net/txgbe/base/txgbe_mng.h

diff --git a/drivers/net/txgbe/base/meson.build b/drivers/net/txgbe/base/meson.build
index 54d6e399d..9755bbbb4 100644
--- a/drivers/net/txgbe/base/meson.build
+++ b/drivers/net/txgbe/base/meson.build
@@ -2,7 +2,9 @@
 # Copyright(c) 2015-2020
 
 sources = [
+	'txgbe_eeprom.c',
 	'txgbe_hw.c',
+	'txgbe_mng.c',
 ]
 
 error_cflags = []
diff --git a/drivers/net/txgbe/base/txgbe.h b/drivers/net/txgbe/base/txgbe.h
index 7783bd694..329764be0 100644
--- a/drivers/net/txgbe/base/txgbe.h
+++ b/drivers/net/txgbe/base/txgbe.h
@@ -6,6 +6,8 @@
 #define _TXGBE_H_
 
 #include "txgbe_type.h"
+#include "txgbe_mng.h"
+#include "txgbe_eeprom.h"
 #include "txgbe_hw.h"
 
 #endif /* _TXGBE_H_ */
diff --git a/drivers/net/txgbe/base/txgbe_eeprom.c b/drivers/net/txgbe/base/txgbe_eeprom.c
new file mode 100644
index 000000000..72cd3ff30
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_eeprom.c
@@ -0,0 +1,581 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#include "txgbe_hw.h"
+#include "txgbe_mng.h"
+#include "txgbe_eeprom.h"
+
+/**
+ *  txgbe_init_eeprom_params - Initialize EEPROM params
+ *  @hw: pointer to hardware structure
+ *
+ *  Initializes the EEPROM parameters txgbe_rom_info within the
+ *  txgbe_hw struct in order to set up EEPROM access.
+ **/
+s32 txgbe_init_eeprom_params(struct txgbe_hw *hw)
+{
+	struct txgbe_rom_info *eeprom = &hw->rom;
+	u32 eec;
+	u16 eeprom_size;
+	int err = 0;
+
+	DEBUGFUNC("txgbe_init_eeprom_params");
+
+	if (eeprom->type != txgbe_eeprom_unknown)
+		return 0;
+
+	eeprom->type = txgbe_eeprom_none;
+	/* Set default semaphore delay to 10ms which is a well
+	 * tested value
+	 */
+	eeprom->semaphore_delay = 10; /*ms*/
+	/* Clear EEPROM page size, it will be initialized as needed */
+	eeprom->word_page_size = 0;
+
+	/*
+	 * Check for EEPROM present first.
+	 * If not present leave as none
+	 */
+	eec = rd32(hw, TXGBE_SPISTAT);
+	if (!(eec & TXGBE_SPISTAT_BPFLASH)) {
+		eeprom->type = txgbe_eeprom_flash;
+
+		/*
+		 * SPI EEPROM is assumed here.  This code would need to
+		 * change if a future EEPROM is not SPI.
+		 */
+		eeprom_size = 4096;
+		eeprom->word_size = eeprom_size >> 1;
+	}
+
+	eeprom->address_bits = 16;
+
+	err = eeprom->read32(hw, TXGBE_SW_REGION_PTR << 1, &eeprom->sw_addr);
+	if (err) {
+		DEBUGOUT("EEPROM read failed.\n");
+		return err;
+	}
+
+	DEBUGOUT("eeprom params: type = %d, size = %d, address bits: "
+		  "%d %d\n", eeprom->type, eeprom->word_size,
+		  eeprom->address_bits, eeprom->sw_addr);
+
+	return 0;
+}
+
+/**
+ *  txgbe_get_eeprom_semaphore - Get hardware semaphore
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the hardware semaphores so EEPROM access can occur for bit-bang method
+ **/
+s32 txgbe_get_eeprom_semaphore(struct txgbe_hw *hw)
+{
+	s32 status = TXGBE_ERR_EEPROM;
+	u32 timeout = 2000;
+	u32 i;
+	u32 swsm;
+
+	DEBUGFUNC("txgbe_get_eeprom_semaphore");
+
+
+	/* Get SMBI software semaphore between device drivers first */
+	for (i = 0; i < timeout; i++) {
+		/*
+		 * If the SMBI bit is 0 when we read it, then the bit will be
+		 * set and we have the semaphore
+		 */
+		swsm = rd32(hw, TXGBE_SWSEM);
+		if (!(swsm & TXGBE_SWSEM_PF)) {
+			status = 0;
+			break;
+		}
+		usec_delay(50);
+	}
+
+	if (i == timeout) {
+		DEBUGOUT("Driver can't access the eeprom - SMBI Semaphore "
+			 "not granted.\n");
+		/*
+		 * this release is particularly important because our attempts
+		 * above to get the semaphore may have succeeded, and if there
+		 * was a timeout, we should unconditionally clear the semaphore
+		 * bits to free the driver to make progress
+		 */
+		txgbe_release_eeprom_semaphore(hw);
+
+		usec_delay(50);
+		/*
+		 * one last try
+		 * If the SMBI bit is 0 when we read it, then the bit will be
+		 * set and we have the semaphore
+		 */
+		swsm = rd32(hw, TXGBE_SWSEM);
+		if (!(swsm & TXGBE_SWSEM_PF))
+			status = 0;
+	}
+
+	/* Now get the semaphore between SW/FW through the SWESMBI bit */
+	if (status == 0) {
+		for (i = 0; i < timeout; i++) {
+			/* Set the SW EEPROM semaphore bit to request access */
+			wr32m(hw, TXGBE_MNGSWSYNC,
+				TXGBE_MNGSWSYNC_REQ, TXGBE_MNGSWSYNC_REQ);
+
+			/*
+			 * If we set the bit successfully then we got the
+			 * semaphore.
+			 */
+			swsm = rd32(hw, TXGBE_MNGSWSYNC);
+			if (swsm & TXGBE_MNGSWSYNC_REQ)
+				break;
+
+			usec_delay(50);
+		}
+
+		/*
+		 * Release semaphores and return error if SW EEPROM semaphore
+		 * was not granted because we don't have access to the EEPROM
+		 */
+		if (i >= timeout) {
+			DEBUGOUT("SWESMBI Software EEPROM semaphore not granted.\n");
+			txgbe_release_eeprom_semaphore(hw);
+			status = TXGBE_ERR_EEPROM;
+		}
+	} else {
+		DEBUGOUT("Software semaphore SMBI between device drivers "
+			 "not granted.\n");
+	}
+
+	return status;
+}
+
+/**
+ *  txgbe_release_eeprom_semaphore - Release hardware semaphore
+ *  @hw: pointer to hardware structure
+ *
+ *  This function clears hardware semaphore bits.
+ **/
+void txgbe_release_eeprom_semaphore(struct txgbe_hw *hw)
+{
+	DEBUGFUNC("txgbe_release_eeprom_semaphore");
+
+	wr32m(hw, TXGBE_MNGSWSYNC, TXGBE_MNGSWSYNC_REQ, 0);
+	wr32m(hw, TXGBE_SWSEM, TXGBE_SWSEM_PF, 0);
+	txgbe_flush(hw);
+}
+
+/**
+ *  txgbe_ee_read - Read EEPROM word using a host interface cmd
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_read16(struct txgbe_hw *hw, u32 offset,
+			      u16 *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = (offset << 1);
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_read(hw, addr, (u8 *)data, 2);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_read_buffer- Read EEPROM word(s) using hostif
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @words: number of words
+ *  @data: word(s) read from the EEPROM
+ *
+ *  Reads a 16 bit word(s) from the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_readw_buffer(struct txgbe_hw *hw,
+				     u32 offset, u32 words, void *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = (offset << 1);
+	u32 len = (words << 1);
+	u8 *buf = (u8 *)data;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	while (len) {
+		u32 seg = (len <= TXGBE_PMMBX_DATA_SIZE
+				? len : TXGBE_PMMBX_DATA_SIZE);
+
+		err = txgbe_hic_sr_read(hw, addr, buf, seg);
+		if (err)
+			break;
+
+		len -= seg;
+		addr += seg;
+		buf += seg;
+	}
+
+	hw->mac.release_swfw_sync(hw, mask);
+	return err;
+}
+
+
+s32 txgbe_ee_readw_sw(struct txgbe_hw *hw, u32 offset,
+			      u16 *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = hw->rom.sw_addr + (offset << 1);
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_read(hw, addr, (u8 *)data, 2);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_read32 - Read EEPROM word using a host interface cmd
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 32 bit word from the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_read32(struct txgbe_hw *hw, u32 addr, u32 *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_read(hw, addr, (u8 *)data, 4);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_read_buffer - Read EEPROM byte(s) using hostif
+ *  @hw: pointer to hardware structure
+ *  @addr: offset of bytes in the EEPROM to read
+ *  @len: number of bytes
+ *  @data: byte(s) read from the EEPROM
+ *
+ *  Reads a 8 bit byte(s) from the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_read_buffer(struct txgbe_hw *hw,
+				     u32 addr, u32 len, void *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u8 *buf = (u8 *)data;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	while (len) {
+		u32 seg = (len <= TXGBE_PMMBX_DATA_SIZE
+				? len : TXGBE_PMMBX_DATA_SIZE);
+
+		err = txgbe_hic_sr_read(hw, addr, buf, seg);
+		if (err)
+			break;
+
+		len -= seg;
+		buf += seg;
+	}
+
+	hw->mac.release_swfw_sync(hw, mask);
+	return err;
+}
+
+/**
+ *  txgbe_ee_write - Write EEPROM word using hostif
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @data: word write to the EEPROM
+ *
+ *  Write a 16 bit word to the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_write16(struct txgbe_hw *hw, u32 offset,
+			       u16 data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = (offset << 1);
+	int err;
+
+	DEBUGFUNC("\n");
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_write(hw, addr, (u8 *)&data, 2);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_write_buffer - Write EEPROM word(s) using hostif
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @words: number of words
+ *  @data: word(s) write to the EEPROM
+ *
+ *  Write a 16 bit word(s) to the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_writew_buffer(struct txgbe_hw *hw,
+				      u32 offset, u32 words, void *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = (offset << 1);
+	u32 len = (words << 1);
+	u8 *buf = (u8 *)data;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	while (len) {
+		u32 seg = (len <= TXGBE_PMMBX_DATA_SIZE
+				? len : TXGBE_PMMBX_DATA_SIZE);
+
+		err = txgbe_hic_sr_write(hw, addr, buf, seg);
+		if (err)
+			break;
+
+		len -= seg;
+		buf += seg;
+	}
+
+	hw->mac.release_swfw_sync(hw, mask);
+	return err;
+}
+
+s32 txgbe_ee_writew_sw(struct txgbe_hw *hw, u32 offset,
+			       u16 data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u32 addr = hw->rom.sw_addr + (offset << 1);
+	int err;
+
+	DEBUGFUNC("\n");
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_write(hw, addr, (u8 *)&data, 2);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_write32 - Read EEPROM word using a host interface cmd
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 32 bit word from the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_write32(struct txgbe_hw *hw, u32 addr, u32 data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	err = txgbe_hic_sr_write(hw, addr, (u8 *)&data, 4);
+
+	hw->mac.release_swfw_sync(hw, mask);
+
+	return err;
+}
+
+/**
+ *  txgbe_ee_write_buffer - Write EEPROM byte(s) using hostif
+ *  @hw: pointer to hardware structure
+ *  @addr: offset of bytes in the EEPROM to write
+ *  @len: number of bytes
+ *  @data: word(s) write to the EEPROM
+ *
+ *  Write a 8 bit byte(s) to the EEPROM using the hostif.
+ **/
+s32 txgbe_ee_write_buffer(struct txgbe_hw *hw,
+				      u32 addr, u32 len, void *data)
+{
+	const u32 mask = TXGBE_MNGSEM_SWMBX | TXGBE_MNGSEM_SWFLASH;
+	u8 *buf = (u8 *)data;
+	int err;
+
+	err = hw->mac.acquire_swfw_sync(hw, mask);
+	if (err)
+		return err;
+
+	while (len) {
+		u32 seg = (len <= TXGBE_PMMBX_DATA_SIZE
+				? len : TXGBE_PMMBX_DATA_SIZE);
+
+		err = txgbe_hic_sr_write(hw, addr, buf, seg);
+		if (err)
+			break;
+
+		len -= seg;
+		buf += seg;
+	}
+
+	hw->mac.release_swfw_sync(hw, mask);
+	return err;
+}
+
+/**
+ *  txgbe_calc_eeprom_checksum - Calculates and returns the checksum
+ *  @hw: pointer to hardware structure
+ *
+ *  Returns a negative error code on error, or the 16-bit checksum
+ **/
+#define BUFF_SIZE  64
+s32 txgbe_calc_eeprom_checksum(struct txgbe_hw *hw)
+{
+	u16 checksum = 0, read_checksum = 0;
+	int i, j, seg;
+	int err;
+	u16 buffer[BUFF_SIZE];
+
+	DEBUGFUNC("txgbe_calc_eeprom_checksum");
+
+	err = hw->rom.readw_sw(hw, TXGBE_EEPROM_CHECKSUM, &read_checksum);
+	if (err) {
+		DEBUGOUT("EEPROM read failed\n");
+		return err;
+	}
+
+	for (i = 0; i < TXGBE_EE_CSUM_MAX; i += seg) {
+		seg = (i + BUFF_SIZE < TXGBE_EE_CSUM_MAX
+		       ? BUFF_SIZE : TXGBE_EE_CSUM_MAX - i);
+		err = hw->rom.readw_buffer(hw, i, seg, buffer);
+		if (err)
+			return err;
+		for (j = 0; j < seg; j++)
+			checksum += buffer[j];
+	}
+
+	checksum = (u16)TXGBE_EEPROM_SUM - checksum + read_checksum;
+
+	return (s32)checksum;
+}
+
+/**
+ *  txgbe_validate_eeprom_checksum - Validate EEPROM checksum
+ *  @hw: pointer to hardware structure
+ *  @checksum_val: calculated checksum
+ *
+ *  Performs checksum calculation and validates the EEPROM checksum.  If the
+ *  caller does not need checksum_val, the value can be NULL.
+ **/
+s32 txgbe_validate_eeprom_checksum(struct txgbe_hw *hw,
+					   u16 *checksum_val)
+{
+	u16 checksum;
+	u16 read_checksum = 0;
+	int err;
+
+	DEBUGFUNC("txgbe_validate_eeprom_checksum");
+
+	/* Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	err = hw->rom.read16(hw, 0, &checksum);
+	if (err) {
+		DEBUGOUT("EEPROM read failed\n");
+		return err;
+	}
+
+	err = hw->rom.calc_checksum(hw);
+	if (err < 0)
+		return err;
+
+	checksum = (u16)(err & 0xffff);
+
+	err = hw->rom.readw_sw(hw, TXGBE_EEPROM_CHECKSUM, &read_checksum);
+	if (err) {
+		DEBUGOUT("EEPROM read failed\n");
+		return err;
+	}
+
+	/* Verify read checksum from EEPROM is the same as
+	 * calculated checksum
+	 */
+	if (read_checksum != checksum) {
+		err = TXGBE_ERR_EEPROM_CHECKSUM;
+		DEBUGOUT("EEPROM checksum error\n");
+	}
+
+	/* If the user cares, return the calculated checksum */
+	if (checksum_val)
+		*checksum_val = checksum;
+
+	return err;
+}
+
+/**
+ *  txgbe_update_eeprom_checksum - Updates the EEPROM checksum
+ *  @hw: pointer to hardware structure
+ **/
+s32 txgbe_update_eeprom_checksum(struct txgbe_hw *hw)
+{
+	s32 status;
+	u16 checksum;
+
+	DEBUGFUNC("txgbe_update_eeprom_checksum");
+
+	/* Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	status = hw->rom.read16(hw, 0, &checksum);
+	if (status) {
+		DEBUGOUT("EEPROM read failed\n");
+		return status;
+	}
+
+	status = hw->rom.calc_checksum(hw);
+	if (status < 0)
+		return status;
+
+	checksum = (u16)(status & 0xffff);
+
+	status = hw->rom.writew_sw(hw, TXGBE_EEPROM_CHECKSUM, checksum);
+
+	return status;
+}
+
diff --git a/drivers/net/txgbe/base/txgbe_eeprom.h b/drivers/net/txgbe/base/txgbe_eeprom.h
new file mode 100644
index 000000000..137fb1c30
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_eeprom.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_EEPROM_H_
+#define _TXGBE_EEPROM_H_
+
+/* Checksum and EEPROM pointers */
+#define TXGBE_PBANUM_PTR_GUARD		0xFAFA
+#define TXGBE_EEPROM_SUM		0xBABA
+
+#define TXGBE_FW_PTR			0x0F
+#define TXGBE_PBANUM0_PTR		0x05
+#define TXGBE_PBANUM1_PTR		0x06
+#define TXGBE_SW_REGION_PTR             0x1C
+
+#define TXGBE_EE_CSUM_MAX		0x800
+#define TXGBE_EEPROM_CHECKSUM		0x2F
+
+#define TXGBE_SAN_MAC_ADDR_PTR		0x18
+#define TXGBE_DEVICE_CAPS		0x1C
+#define TXGBE_EEPROM_VERSION_L          0x1D
+#define TXGBE_EEPROM_VERSION_H          0x1E
+#define TXGBE_ISCSI_BOOT_CONFIG         0x07
+
+
+s32 txgbe_init_eeprom_params(struct txgbe_hw *hw);
+s32 txgbe_calc_eeprom_checksum(struct txgbe_hw *hw);
+s32 txgbe_validate_eeprom_checksum(struct txgbe_hw *hw, u16 *checksum_val);
+s32 txgbe_update_eeprom_checksum(struct txgbe_hw *hw);
+s32 txgbe_get_eeprom_semaphore(struct txgbe_hw *hw);
+void txgbe_release_eeprom_semaphore(struct txgbe_hw *hw);
+
+s32 txgbe_ee_read16(struct txgbe_hw *hw, u32 offset, u16 *data);
+s32 txgbe_ee_readw_sw(struct txgbe_hw *hw, u32 offset, u16 *data);
+s32 txgbe_ee_readw_buffer(struct txgbe_hw *hw, u32 offset, u32 words,
+				void *data);
+s32 txgbe_ee_read32(struct txgbe_hw *hw, u32 addr, u32 *data);
+s32 txgbe_ee_read_buffer(struct txgbe_hw *hw, u32 addr, u32 len, void *data);
+
+s32 txgbe_ee_write16(struct txgbe_hw *hw, u32 offset, u16 data);
+s32 txgbe_ee_writew_sw(struct txgbe_hw *hw, u32 offset, u16 data);
+s32 txgbe_ee_writew_buffer(struct txgbe_hw *hw, u32 offset, u32 words,
+				void *data);
+s32 txgbe_ee_write32(struct txgbe_hw *hw, u32 addr, u32 data);
+s32 txgbe_ee_write_buffer(struct txgbe_hw *hw, u32 addr, u32 len, void *data);
+
+
+#endif /* _TXGBE_EEPROM_H_ */
diff --git a/drivers/net/txgbe/base/txgbe_hw.c b/drivers/net/txgbe/base/txgbe_hw.c
index 6478b6fbf..e942c5631 100644
--- a/drivers/net/txgbe/base/txgbe_hw.c
+++ b/drivers/net/txgbe/base/txgbe_hw.c
@@ -3,6 +3,7 @@
  */
 
 #include "txgbe_type.h"
+#include "txgbe_eeprom.h"
 #include "txgbe_hw.h"
 
 #define TXGBE_RAPTOR_RAR_ENTRIES   128
@@ -135,13 +136,29 @@ s32 txgbe_init_ops_pf(struct txgbe_hw *hw)
 {
 	struct txgbe_bus_info *bus = &hw->bus;
 	struct txgbe_mac_info *mac = &hw->mac;
+	struct txgbe_rom_info *rom = &hw->rom;
 
 	DEBUGFUNC("txgbe_init_ops_pf");
 
 	/* BUS */
 	bus->set_lan_id = txgbe_set_lan_id_multi_port;
 
+	/* MAC */
 	mac->num_rar_entries	= TXGBE_RAPTOR_RAR_ENTRIES;
 
+	/* EEPROM */
+	rom->init_params = txgbe_init_eeprom_params;
+	rom->read16 = txgbe_ee_read16;
+	rom->readw_buffer = txgbe_ee_readw_buffer;
+	rom->readw_sw = txgbe_ee_readw_sw;
+	rom->read32 = txgbe_ee_read32;
+	rom->write16 = txgbe_ee_write16;
+	rom->writew_buffer = txgbe_ee_writew_buffer;
+	rom->writew_sw = txgbe_ee_writew_sw;
+	rom->write32 = txgbe_ee_write32;
+	rom->validate_checksum = txgbe_validate_eeprom_checksum;
+	rom->update_checksum = txgbe_update_eeprom_checksum;
+	rom->calc_checksum = txgbe_calc_eeprom_checksum;
+
 	return 0;
 }
diff --git a/drivers/net/txgbe/base/txgbe_mng.c b/drivers/net/txgbe/base/txgbe_mng.c
new file mode 100644
index 000000000..224e48f5e
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_mng.c
@@ -0,0 +1,396 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#include "txgbe_type.h"
+#include "txgbe_mng.h"
+
+/**
+ *  txgbe_calculate_checksum - Calculate checksum for buffer
+ *  @buffer: pointer to EEPROM
+ *  @length: size of EEPROM to calculate a checksum for
+ *  Calculates the checksum for some buffer on a specified length.  The
+ *  checksum calculated is returned.
+ **/
+static u8
+txgbe_calculate_checksum(u8 *buffer, u32 length)
+{
+	u32 i;
+	u8 sum = 0;
+
+	for (i = 0; i < length; i++)
+		sum += buffer[i];
+
+	return (u8)(0 - sum);
+}
+
+/**
+ *  txgbe_hic_unlocked - Issue command to manageability block unlocked
+ *  @hw: pointer to the HW structure
+ *  @buffer: command to write and where the return status will be placed
+ *  @length: length of buffer, must be multiple of 4 bytes
+ *  @timeout: time in ms to wait for command completion
+ *
+ *  Communicates with the manageability block. On success return 0
+ *  else returns semaphore error when encountering an error acquiring
+ *  semaphore or TXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ *
+ *  This function assumes that the TXGBE_MNGSEM_SWMBX semaphore is held
+ *  by the caller.
+ **/
+static s32
+txgbe_hic_unlocked(struct txgbe_hw *hw, u32 *buffer, u32 length, u32 timeout)
+{
+	u32 value, loop;
+	u16 i, dword_len;
+
+	DEBUGFUNC("txgbe_hic_unlocked");
+
+	if (!length || length > TXGBE_PMMBX_BSIZE) {
+		DEBUGOUT("Buffer length failure buffersize=%d.\n", length);
+		return TXGBE_ERR_HOST_INTERFACE_COMMAND;
+	}
+
+	/* Calculate length in DWORDs. We must be DWORD aligned */
+	if (length % sizeof(u32)) {
+		DEBUGOUT("Buffer length failure, not aligned to dword");
+		return TXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	dword_len = length >> 2;
+
+	/* The device driver writes the relevant command block
+	 * into the ram area.
+	 */
+	for (i = 0; i < dword_len; i++) {
+		wr32a(hw, TXGBE_MNGMBX, i, cpu_to_le32(buffer[i]));
+		buffer[i] = rd32a(hw, TXGBE_MNGMBX, i);
+	}
+	txgbe_flush(hw);
+
+	/* Setting this bit tells the ARC that a new command is pending. */
+	wr32m(hw, TXGBE_MNGMBXCTL,
+	      TXGBE_MNGMBXCTL_SWRDY, TXGBE_MNGMBXCTL_SWRDY);
+
+	/* Check command completion */
+	loop = po32m(hw, TXGBE_MNGMBXCTL,
+		TXGBE_MNGMBXCTL_FWRDY, TXGBE_MNGMBXCTL_FWRDY,
+		&value, timeout, 1000);
+	if (!loop || !(value & TXGBE_MNGMBXCTL_FWACK)) {
+		DEBUGOUT("Command has failed with no status valid.\n");
+		return TXGBE_ERR_HOST_INTERFACE_COMMAND;
+	}
+
+	return 0;
+}
+
+/**
+ *  txgbe_host_interface_command - Issue command to manageability block
+ *  @hw: pointer to the HW structure
+ *  @buffer: contains the command to write and where the return status will
+ *   be placed
+ *  @length: length of buffer, must be multiple of 4 bytes
+ *  @timeout: time in ms to wait for command completion
+ *  @return_data: read and return data from the buffer (true) or not (false)
+ *   Needed because FW structures are big endian and decoding of
+ *   these fields can be 8 bit or 16 bit based on command. Decoding
+ *   is not easily understood without making a table of commands.
+ *   So we will leave this up to the caller to read back the data
+ *   in these cases.
+ *
+ *  Communicates with the manageability block. On success return 0
+ *  else returns semaphore error when encountering an error acquiring
+ *  semaphore or TXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+static s32
+txgbe_host_interface_command(struct txgbe_hw *hw, u32 *buffer,
+				 u32 length, u32 timeout, bool return_data)
+{
+	u32 hdr_size = sizeof(struct txgbe_hic_hdr);
+	struct txgbe_hic_hdr *resp = (struct txgbe_hic_hdr *)buffer;
+	u16 buf_len;
+	s32 err;
+	u32 bi;
+	u32 dword_len;
+
+	DEBUGFUNC("txgbe_host_interface_command");
+
+	if (length == 0 || length > TXGBE_PMMBX_BSIZE) {
+		DEBUGOUT("Buffer length failure buffersize=%d.\n", length);
+		return TXGBE_ERR_HOST_INTERFACE_COMMAND;
+	}
+
+	/* Take management host interface semaphore */
+	err = hw->mac.acquire_swfw_sync(hw, TXGBE_MNGSEM_SWMBX);
+	if (err)
+		return err;
+
+	err = txgbe_hic_unlocked(hw, buffer, length, timeout);
+	if (err)
+		goto rel_out;
+
+	if (!return_data)
+		goto rel_out;
+
+	/* Calculate length in DWORDs */
+	dword_len = hdr_size >> 2;
+
+	/* first pull in the header so we know the buffer length */
+	for (bi = 0; bi < dword_len; bi++)
+		buffer[bi] = rd32a(hw, TXGBE_MNGMBX, bi);
+
+	/*
+	 * If there is any thing in data position pull it in
+	 * Read Flash command requires reading buffer length from
+	 * two byes instead of one byte
+	 */
+	if (resp->cmd == 0x30) {
+		for (; bi < dword_len + 2; bi++)
+			buffer[bi] = rd32a(hw, TXGBE_MNGMBX, bi);
+
+		buf_len = (((u16)(resp->cmd_or_resp.ret_status) << 3)
+				  & 0xF00) | resp->buf_len;
+		hdr_size += (2 << 2);
+	} else {
+		buf_len = resp->buf_len;
+	}
+	if (!buf_len)
+		goto rel_out;
+
+	if (length < buf_len + hdr_size) {
+		DEBUGOUT("Buffer not large enough for reply message.\n");
+		err = TXGBE_ERR_HOST_INTERFACE_COMMAND;
+		goto rel_out;
+	}
+
+	/* Calculate length in DWORDs, add 3 for odd lengths */
+	dword_len = (buf_len + 3) >> 2;
+
+	/* Pull in the rest of the buffer (bi is where we left off) */
+	for (; bi <= dword_len; bi++)
+		buffer[bi] = rd32a(hw, TXGBE_MNGMBX, bi);
+
+rel_out:
+	hw->mac.release_swfw_sync(hw, TXGBE_MNGSEM_SWMBX);
+
+	return err;
+}
+
+/**
+ *  txgbe_hic_sr_read - Read EEPROM word using a host interface cmd
+ *  assuming that the semaphore is already obtained.
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the hostif.
+ **/
+s32 txgbe_hic_sr_read(struct txgbe_hw *hw, u32 addr, u8 *buf, int len)
+{
+	struct txgbe_hic_read_shadow_ram command;
+	u32 value;
+	int err, i = 0, j = 0;
+
+	if (len > TXGBE_PMMBX_DATA_SIZE)
+		return TXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+	memset(&command, 0, sizeof(command));
+	command.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
+	command.hdr.req.buf_lenh = 0;
+	command.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
+	command.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
+	command.address = cpu_to_be32(addr);
+	command.length = cpu_to_be16(len);
+
+	err = txgbe_hic_unlocked(hw, (u32 *)&command,
+			sizeof(command), TXGBE_HI_COMMAND_TIMEOUT);
+	if (err)
+		return err;
+
+	while (i < (len >> 2)) {
+		value = rd32a(hw, TXGBE_MNGMBX, FW_NVM_DATA_OFFSET + i);
+		((u32 *)buf)[i] = value;
+		i++;
+	}
+
+	value = rd32a(hw, TXGBE_MNGMBX, FW_NVM_DATA_OFFSET + i);
+	for (i <<= 2; i < len; i++)
+		((u8 *)buf)[i] = ((u8 *)&value)[j++];
+
+	return 0;
+}
+
+/**
+ *  txgbe_hic_sr_write - Write EEPROM word using hostif
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @data: word write to the EEPROM
+ *
+ *  Write a 16 bit word to the EEPROM using the hostif.
+ **/
+s32 txgbe_hic_sr_write(struct txgbe_hw *hw, u32 addr, u8 *buf, int len)
+{
+	struct txgbe_hic_write_shadow_ram command;
+	u32 value;
+	int err = 0, i = 0, j = 0;
+
+	if (len > TXGBE_PMMBX_DATA_SIZE)
+		return TXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+	memset(&command, 0, sizeof(command));
+	command.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
+	command.hdr.req.buf_lenh = 0;
+	command.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
+	command.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
+	command.address = cpu_to_be32(addr);
+	command.length = cpu_to_be16(len);
+
+	while (i < (len >> 2)) {
+		value = ((u32 *)buf)[i];
+		wr32a(hw, TXGBE_MNGMBX, FW_NVM_DATA_OFFSET + i, value);
+		i++;
+	}
+
+	for (i <<= 2; i < len; i++)
+		((u8 *)&value)[j++] = ((u8 *)buf)[i];
+
+	wr32a(hw, TXGBE_MNGMBX, FW_NVM_DATA_OFFSET + (i >> 2), value);
+
+	UNREFERENCED_PARAMETER(&command);
+
+	return err;
+}
+
+/**
+ *  txgbe_hic_set_drv_ver - Sends driver version to firmware
+ *  @hw: pointer to the HW structure
+ *  @maj: driver version major number
+ *  @min: driver version minor number
+ *  @build: driver version build number
+ *  @sub: driver version sub build number
+ *  @len: unused
+ *  @driver_ver: unused
+ *
+ *  Sends driver version number to firmware through the manageability
+ *  block.  On success return 0
+ *  else returns TXGBE_ERR_SWFW_SYNC when encountering an error acquiring
+ *  semaphore or TXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+s32 txgbe_hic_set_drv_ver(struct txgbe_hw *hw, u8 maj, u8 min,
+				 u8 build, u8 sub, u16 len,
+				 const char *driver_ver)
+{
+	struct txgbe_hic_drv_info fw_cmd;
+	int i;
+	s32 ret_val = 0;
+
+	DEBUGFUNC("txgbe_hic_set_drv_ver");
+	UNREFERENCED_PARAMETER(len, driver_ver);
+
+	fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
+	fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN;
+	fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
+	fw_cmd.port_num = (u8)hw->bus.func;
+	fw_cmd.ver_maj = maj;
+	fw_cmd.ver_min = min;
+	fw_cmd.ver_build = build;
+	fw_cmd.ver_sub = sub;
+	fw_cmd.hdr.checksum = 0;
+	fw_cmd.pad = 0;
+	fw_cmd.pad2 = 0;
+	fw_cmd.hdr.checksum = txgbe_calculate_checksum((u8 *)&fw_cmd,
+				(FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
+
+	for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
+		ret_val = txgbe_host_interface_command(hw, (u32 *)&fw_cmd,
+						       sizeof(fw_cmd),
+						       TXGBE_HI_COMMAND_TIMEOUT,
+						       true);
+		if (ret_val != 0)
+			continue;
+
+		if (fw_cmd.hdr.cmd_or_resp.ret_status ==
+		    FW_CEM_RESP_STATUS_SUCCESS)
+			ret_val = 0;
+		else
+			ret_val = TXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+		break;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  txgbe_hic_reset - send reset cmd to fw
+ *  @hw: pointer to hardware structure
+ *
+ *  Sends reset cmd to firmware through the manageability
+ *  block.  On success return 0
+ *  else returns TXGBE_ERR_SWFW_SYNC when encountering an error acquiring
+ *  semaphore or TXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+s32
+txgbe_hic_reset(struct txgbe_hw *hw)
+{
+	struct txgbe_hic_reset reset_cmd;
+	int i;
+	s32 err = 0;
+
+	DEBUGFUNC("\n");
+
+	reset_cmd.hdr.cmd = FW_RESET_CMD;
+	reset_cmd.hdr.buf_len = FW_RESET_LEN;
+	reset_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
+	reset_cmd.lan_id = hw->bus.lan_id;
+	reset_cmd.reset_type = (u16)hw->reset_type;
+	reset_cmd.hdr.checksum = 0;
+	reset_cmd.hdr.checksum = txgbe_calculate_checksum((u8 *)&reset_cmd,
+				(FW_CEM_HDR_LEN + reset_cmd.hdr.buf_len));
+
+	for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
+		err = txgbe_host_interface_command(hw, (u32 *)&reset_cmd,
+						       sizeof(reset_cmd),
+						       TXGBE_HI_COMMAND_TIMEOUT,
+						       true);
+		if (err != 0)
+			continue;
+
+		if (reset_cmd.hdr.cmd_or_resp.ret_status ==
+		    FW_CEM_RESP_STATUS_SUCCESS)
+			err = 0;
+		else
+			err = TXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+		break;
+	}
+
+	return err;
+}
+
+/**
+ * txgbe_mng_present - returns true when management capability is present
+ * @hw: pointer to hardware structure
+ */
+bool
+txgbe_mng_present(struct txgbe_hw *hw)
+{
+	if (hw->mac.type == txgbe_mac_unknown)
+		return false;
+
+	return !!rd32m(hw, TXGBE_STAT, TXGBE_STAT_MNGINIT);
+}
+
+/**
+ * txgbe_mng_enabled - Is the manageability engine enabled?
+ * @hw: pointer to hardware structure
+ *
+ * Returns true if the manageability engine is enabled.
+ **/
+bool
+txgbe_mng_enabled(struct txgbe_hw *hw)
+{
+	UNREFERENCED_PARAMETER(hw);
+	/* firmware does not control laser */
+	return false;
+}
diff --git a/drivers/net/txgbe/base/txgbe_mng.h b/drivers/net/txgbe/base/txgbe_mng.h
new file mode 100644
index 000000000..7514cc1e1
--- /dev/null
+++ b/drivers/net/txgbe/base/txgbe_mng.h
@@ -0,0 +1,176 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2020
+ */
+
+#ifndef _TXGBE_MNG_H_
+#define _TXGBE_MNG_H_
+
+#include "txgbe_type.h"
+
+
+#define TXGBE_PMMBX_QSIZE       64 /* Num of dwords in range */
+#define TXGBE_PMMBX_BSIZE       (TXGBE_PMMBX_QSIZE * 4)
+#define TXGBE_PMMBX_DATA_SIZE   (TXGBE_PMMBX_BSIZE - FW_NVM_DATA_OFFSET * 4)
+#define TXGBE_HI_COMMAND_TIMEOUT        5000 /* Process HI command limit */
+#define TXGBE_HI_FLASH_ERASE_TIMEOUT    5000 /* Process Erase command limit */
+#define TXGBE_HI_FLASH_UPDATE_TIMEOUT   5000 /* Process Update command limit */
+#define TXGBE_HI_FLASH_VERIFY_TIMEOUT   60000 /* Process Apply command limit */
+#define TXGBE_HI_PHY_MGMT_REQ_TIMEOUT   2000 /* Wait up to 2 seconds */
+
+/* CEM Support */
+#define FW_CEM_HDR_LEN                  0x4
+#define FW_CEM_CMD_DRIVER_INFO          0xDD
+#define FW_CEM_CMD_DRIVER_INFO_LEN      0x5
+#define FW_CEM_CMD_RESERVED             0X0
+#define FW_CEM_UNUSED_VER               0x0
+#define FW_CEM_MAX_RETRIES              3
+#define FW_CEM_RESP_STATUS_SUCCESS      0x1
+#define FW_READ_SHADOW_RAM_CMD          0x31
+#define FW_READ_SHADOW_RAM_LEN          0x6
+#define FW_WRITE_SHADOW_RAM_CMD         0x33
+#define FW_WRITE_SHADOW_RAM_LEN         0xA /* 8 plus 1 WORD to write */
+#define FW_SHADOW_RAM_DUMP_CMD          0x36
+#define FW_SHADOW_RAM_DUMP_LEN          0
+#define FW_DEFAULT_CHECKSUM             0xFF /* checksum always 0xFF */
+#define FW_NVM_DATA_OFFSET              3
+#define FW_MAX_READ_BUFFER_SIZE         244
+#define FW_DISABLE_RXEN_CMD             0xDE
+#define FW_DISABLE_RXEN_LEN             0x1
+#define FW_PHY_MGMT_REQ_CMD             0x20
+#define FW_RESET_CMD                    0xDF
+#define FW_RESET_LEN                    0x2
+#define FW_SETUP_MAC_LINK_CMD           0xE0
+#define FW_SETUP_MAC_LINK_LEN           0x2
+#define FW_FLASH_UPGRADE_START_CMD      0xE3
+#define FW_FLASH_UPGRADE_START_LEN      0x1
+#define FW_FLASH_UPGRADE_WRITE_CMD      0xE4
+#define FW_FLASH_UPGRADE_VERIFY_CMD     0xE5
+#define FW_FLASH_UPGRADE_VERIFY_LEN     0x4
+#define FW_PHY_ACT_DATA_COUNT		4
+#define FW_PHY_TOKEN_DELAY		5	/* milliseconds */
+#define FW_PHY_TOKEN_WAIT		5	/* seconds */
+#define FW_PHY_TOKEN_RETRIES ((FW_PHY_TOKEN_WAIT * 1000) / FW_PHY_TOKEN_DELAY)
+
+/* Host Interface Command Structures */
+struct txgbe_hic_hdr {
+	u8 cmd;
+	u8 buf_len;
+	union {
+		u8 cmd_resv;
+		u8 ret_status;
+	} cmd_or_resp;
+	u8 checksum;
+};
+
+struct txgbe_hic_hdr2_req {
+	u8 cmd;
+	u8 buf_lenh;
+	u8 buf_lenl;
+	u8 checksum;
+};
+
+struct txgbe_hic_hdr2_rsp {
+	u8 cmd;
+	u8 buf_lenl;
+	u8 buf_lenh_status;     /* 7-5: high bits of buf_len, 4-0: status */
+	u8 checksum;
+};
+
+union txgbe_hic_hdr2 {
+	struct txgbe_hic_hdr2_req req;
+	struct txgbe_hic_hdr2_rsp rsp;
+};
+
+struct txgbe_hic_drv_info {
+	struct txgbe_hic_hdr hdr;
+	u8 port_num;
+	u8 ver_sub;
+	u8 ver_build;
+	u8 ver_min;
+	u8 ver_maj;
+	u8 pad; /* end spacing to ensure length is mult. of dword */
+	u16 pad2; /* end spacing to ensure length is mult. of dword2 */
+};
+
+/* These need to be dword aligned */
+struct txgbe_hic_read_shadow_ram {
+	union txgbe_hic_hdr2 hdr;
+	u32 address;
+	u16 length;
+	u16 pad2;
+	u16 data;
+	u16 pad3;
+};
+
+struct txgbe_hic_write_shadow_ram {
+	union txgbe_hic_hdr2 hdr;
+	u32 address;
+	u16 length;
+	u16 pad2;
+	u16 data;
+	u16 pad3;
+};
+
+struct txgbe_hic_disable_rxen {
+	struct txgbe_hic_hdr hdr;
+	u8  port_number;
+	u8  pad2;
+	u16 pad3;
+};
+
+struct txgbe_hic_reset {
+	struct txgbe_hic_hdr hdr;
+	u16 lan_id;
+	u16 reset_type;
+};
+
+struct txgbe_hic_phy_cfg {
+	struct txgbe_hic_hdr hdr;
+	u8 lan_id;
+	u8 phy_mode;
+	u16 phy_speed;
+};
+
+enum txgbe_module_id {
+	TXGBE_MODULE_EEPROM = 0,
+	TXGBE_MODULE_FIRMWARE,
+	TXGBE_MODULE_HARDWARE,
+	TXGBE_MODULE_PCIE
+};
+
+struct txgbe_hic_upg_start {
+	struct txgbe_hic_hdr hdr;
+	u8 module_id;
+	u8  pad2;
+	u16 pad3;
+};
+
+struct txgbe_hic_upg_write {
+	struct txgbe_hic_hdr hdr;
+	u8 data_len;
+	u8 eof_flag;
+	u16 check_sum;
+	u32 data[62];
+};
+
+enum txgbe_upg_flag {
+	TXGBE_RESET_NONE = 0,
+	TXGBE_RESET_FIRMWARE,
+	TXGBE_RELOAD_EEPROM,
+	TXGBE_RESET_LAN
+};
+
+struct txgbe_hic_upg_verify {
+	struct txgbe_hic_hdr hdr;
+	u32 action_flag;
+};
+
+s32 txgbe_hic_sr_read(struct txgbe_hw *hw, u32 addr, u8 *buf, int len);
+s32 txgbe_hic_sr_write(struct txgbe_hw *hw, u32 addr, u8 *buf, int len);
+
+s32 txgbe_hic_set_drv_ver(struct txgbe_hw *hw, u8 maj, u8 min, u8 build,
+			u8 ver, u16 len, const char *str);
+s32 txgbe_hic_reset(struct txgbe_hw *hw);
+bool txgbe_mng_present(struct txgbe_hw *hw);
+bool txgbe_mng_enabled(struct txgbe_hw *hw);
+#endif /* _TXGBE_MNG_H_ */
diff --git a/drivers/net/txgbe/base/txgbe_type.h b/drivers/net/txgbe/base/txgbe_type.h
index 87c2e1681..c43c39e99 100644
--- a/drivers/net/txgbe/base/txgbe_type.h
+++ b/drivers/net/txgbe/base/txgbe_type.h
@@ -13,6 +13,13 @@
 #include "txgbe_osdep.h"
 #include "txgbe_devids.h"
 
+enum txgbe_eeprom_type {
+	txgbe_eeprom_unknown = 0,
+	txgbe_eeprom_spi,
+	txgbe_eeprom_flash,
+	txgbe_eeprom_none /* No NVM support */
+};
+
 enum txgbe_mac_type {
 	txgbe_mac_unknown = 0,
 	txgbe_mac_raptor,
@@ -177,6 +184,15 @@ struct txgbe_rom_info {
 	s32 (*validate_checksum)(struct txgbe_hw *hw, u16 *checksum_val);
 	s32 (*update_checksum)(struct txgbe_hw *hw);
 	s32 (*calc_checksum)(struct txgbe_hw *hw);
+
+	enum txgbe_eeprom_type type;
+	u32 semaphore_delay;
+	u16 word_size;
+	u16 address_bits;
+	u16 word_page_size;
+	u16 ctrl_word_3;
+
+	u32 sw_addr;
 };
 
 struct txgbe_flash_info {
@@ -357,6 +373,11 @@ struct txgbe_hw {
 
 	uint64_t isb_dma;
 	void IOMEM *isb_mem;
+	enum txgbe_reset_type {
+		TXGBE_LAN_RESET = 0,
+		TXGBE_SW_RESET,
+		TXGBE_GLOBAL_RESET
+	} reset_type;
 };
 
 #include "txgbe_regs.h"
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 8cc0d79fe..9c980b9a9 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -51,6 +51,7 @@ eth_txgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 	struct txgbe_hw *hw = TXGBE_DEV_HW(eth_dev);
 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 	const struct rte_memzone *mz;
+	uint16_t csum;
 	int err;
 
 	PMD_INIT_FUNC_TRACE();
@@ -81,6 +82,19 @@ eth_txgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 		return -EIO;
 	}
 
+	err = hw->rom.init_params(hw);
+	if (err != 0) {
+		PMD_INIT_LOG(ERR, "The EEPROM init failed: %d", err);
+		return -EIO;
+	}
+
+	/* Make sure we have a good EEPROM before we read from it */
+	err = hw->rom.validate_checksum(hw, &csum);
+	if (err != 0) {
+		PMD_INIT_LOG(ERR, "The EEPROM checksum is not valid: %d", err);
+		return -EIO;
+	}
+
 	/* Allocate memory for storing MAC addresses */
 	eth_dev->data->mac_addrs = rte_zmalloc("txgbe", RTE_ETHER_ADDR_LEN *
 					       hw->mac.num_rar_entries, 0);
-- 
2.18.4