[rtems-libbsd commit] e1000: Add missing file

Sebastian Huber sebh at rtems.org
Fri Jul 31 11:56:56 UTC 2015


Module:    rtems-libbsd
Branch:    master
Commit:    a3ef8e6a4785b86210f43944fd19555b2869bbda
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=a3ef8e6a4785b86210f43944fd19555b2869bbda

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Jul 31 11:54:27 2015 +0200

e1000: Add missing file

---

 freebsd/sys/dev/e1000/e1000_i210.c | 906 +++++++++++++++++++++++++++++++++++++
 libbsd.py                          |  23 +-
 wscript                            |   1 +
 3 files changed, 919 insertions(+), 11 deletions(-)

diff --git a/freebsd/sys/dev/e1000/e1000_i210.c b/freebsd/sys/dev/e1000/e1000_i210.c
new file mode 100644
index 0000000..413b6a1
--- /dev/null
+++ b/freebsd/sys/dev/e1000/e1000_i210.c
@@ -0,0 +1,906 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/******************************************************************************
+
+  Copyright (c) 2001-2014, Intel Corporation 
+  All rights reserved.
+  
+  Redistribution and use in source and binary forms, with or without 
+  modification, are permitted provided that the following conditions are met:
+  
+   1. Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+  
+   2. Redistributions in binary form must reproduce the above copyright 
+      notice, this list of conditions and the following disclaimer in the 
+      documentation and/or other materials provided with the distribution.
+  
+   3. Neither the name of the Intel Corporation nor the names of its 
+      contributors may be used to endorse or promote products derived from 
+      this software without specific prior written permission.
+  
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+
+******************************************************************************/
+/*$FreeBSD$*/
+
+#include "e1000_api.h"
+
+
+static s32 e1000_acquire_nvm_i210(struct e1000_hw *hw);
+static void e1000_release_nvm_i210(struct e1000_hw *hw);
+static s32 e1000_get_hw_semaphore_i210(struct e1000_hw *hw);
+static s32 e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
+				u16 *data);
+static s32 e1000_pool_flash_update_done_i210(struct e1000_hw *hw);
+static s32 e1000_valid_led_default_i210(struct e1000_hw *hw, u16 *data);
+
+/**
+ *  e1000_acquire_nvm_i210 - Request for access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the necessary semaphores for exclusive access to the EEPROM.
+ *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
+ *  Return successful if access grant bit set, else clear the request for
+ *  EEPROM access and return -E1000_ERR_NVM (-1).
+ **/
+static s32 e1000_acquire_nvm_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+
+	DEBUGFUNC("e1000_acquire_nvm_i210");
+
+	ret_val = e1000_acquire_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+
+	return ret_val;
+}
+
+/**
+ *  e1000_release_nvm_i210 - Release exclusive access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Stop any current commands to the EEPROM and clear the EEPROM request bit,
+ *  then release the semaphores acquired.
+ **/
+static void e1000_release_nvm_i210(struct e1000_hw *hw)
+{
+	DEBUGFUNC("e1000_release_nvm_i210");
+
+	e1000_release_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  e1000_acquire_swfw_sync_i210 - Acquire SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Acquire the SW/FW semaphore to access the PHY or NVM.  The mask
+ *  will also specify which port we're acquiring the lock for.
+ **/
+s32 e1000_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+	u32 swmask = mask;
+	u32 fwmask = mask << 16;
+	s32 ret_val = E1000_SUCCESS;
+	s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
+
+	DEBUGFUNC("e1000_acquire_swfw_sync_i210");
+
+	while (i < timeout) {
+		if (e1000_get_hw_semaphore_i210(hw)) {
+			ret_val = -E1000_ERR_SWFW_SYNC;
+			goto out;
+		}
+
+		swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
+		if (!(swfw_sync & (fwmask | swmask)))
+			break;
+
+		/*
+		 * Firmware currently using resource (fwmask)
+		 * or other software thread using resource (swmask)
+		 */
+		e1000_put_hw_semaphore_generic(hw);
+		msec_delay_irq(5);
+		i++;
+	}
+
+	if (i == timeout) {
+		DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
+		ret_val = -E1000_ERR_SWFW_SYNC;
+		goto out;
+	}
+
+	swfw_sync |= swmask;
+	E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
+
+	e1000_put_hw_semaphore_generic(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_release_swfw_sync_i210 - Release SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Release the SW/FW semaphore used to access the PHY or NVM.  The mask
+ *  will also specify which port we're releasing the lock for.
+ **/
+void e1000_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+
+	DEBUGFUNC("e1000_release_swfw_sync_i210");
+
+	while (e1000_get_hw_semaphore_i210(hw) != E1000_SUCCESS)
+		; /* Empty */
+
+	swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
+	swfw_sync &= ~mask;
+	E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
+
+	e1000_put_hw_semaphore_generic(hw);
+}
+
+/**
+ *  e1000_get_hw_semaphore_i210 - Acquire hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the HW semaphore to access the PHY or NVM
+ **/
+static s32 e1000_get_hw_semaphore_i210(struct e1000_hw *hw)
+{
+	u32 swsm;
+	s32 timeout = hw->nvm.word_size + 1;
+	s32 i = 0;
+
+	DEBUGFUNC("e1000_get_hw_semaphore_i210");
+
+	/* Get the SW semaphore */
+	while (i < timeout) {
+		swsm = E1000_READ_REG(hw, E1000_SWSM);
+		if (!(swsm & E1000_SWSM_SMBI))
+			break;
+
+		usec_delay(50);
+		i++;
+	}
+
+	if (i == timeout) {
+		/* In rare circumstances, the SW semaphore may already be held
+		 * unintentionally. Clear the semaphore once before giving up.
+		 */
+		if (hw->dev_spec._82575.clear_semaphore_once) {
+			hw->dev_spec._82575.clear_semaphore_once = FALSE;
+			e1000_put_hw_semaphore_generic(hw);
+			for (i = 0; i < timeout; i++) {
+				swsm = E1000_READ_REG(hw, E1000_SWSM);
+				if (!(swsm & E1000_SWSM_SMBI))
+					break;
+
+				usec_delay(50);
+			}
+		}
+
+		/* If we do not have the semaphore here, we have to give up. */
+		if (i == timeout) {
+			DEBUGOUT("Driver can't access device - SMBI bit is set.\n");
+			return -E1000_ERR_NVM;
+		}
+	}
+
+	/* Get the FW semaphore. */
+	for (i = 0; i < timeout; i++) {
+		swsm = E1000_READ_REG(hw, E1000_SWSM);
+		E1000_WRITE_REG(hw, E1000_SWSM, swsm | E1000_SWSM_SWESMBI);
+
+		/* Semaphore acquired if bit latched */
+		if (E1000_READ_REG(hw, E1000_SWSM) & E1000_SWSM_SWESMBI)
+			break;
+
+		usec_delay(50);
+	}
+
+	if (i == timeout) {
+		/* Release semaphores */
+		e1000_put_hw_semaphore_generic(hw);
+		DEBUGOUT("Driver can't access the NVM\n");
+		return -E1000_ERR_NVM;
+	}
+
+	return E1000_SUCCESS;
+}
+
+/**
+ *  e1000_read_nvm_srrd_i210 - Reads Shadow Ram using EERD register
+ *  @hw: pointer to the HW structure
+ *  @offset: offset of word in the Shadow Ram to read
+ *  @words: number of words to read
+ *  @data: word read from the Shadow Ram
+ *
+ *  Reads a 16 bit word from the Shadow Ram using the EERD register.
+ *  Uses necessary synchronization semaphores.
+ **/
+s32 e1000_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset, u16 words,
+			     u16 *data)
+{
+	s32 status = E1000_SUCCESS;
+	u16 i, count;
+
+	DEBUGFUNC("e1000_read_nvm_srrd_i210");
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to read in bursts than synchronizing access for each word. */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+			status = e1000_read_nvm_eerd(hw, offset, count,
+						     data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status != E1000_SUCCESS)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  e1000_write_nvm_srwr_i210 - Write to Shadow RAM using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow RAM to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow RAM
+ *
+ *  Writes data to Shadow RAM at offset using EEWR register.
+ *
+ *  If e1000_update_nvm_checksum is not called after this function , the
+ *  data will not be committed to FLASH and also Shadow RAM will most likely
+ *  contain an invalid checksum.
+ *
+ *  If error code is returned, data and Shadow RAM may be inconsistent - buffer
+ *  partially written.
+ **/
+s32 e1000_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset, u16 words,
+			      u16 *data)
+{
+	s32 status = E1000_SUCCESS;
+	u16 i, count;
+
+	DEBUGFUNC("e1000_write_nvm_srwr_i210");
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to write in bursts than synchronizing access for each word. */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+			status = e1000_write_nvm_srwr(hw, offset, count,
+						      data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status != E1000_SUCCESS)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  e1000_write_nvm_srwr - Write to Shadow Ram using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow Ram to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow Ram
+ *
+ *  Writes data to Shadow Ram at offset using EEWR register.
+ *
+ *  If e1000_update_nvm_checksum is not called after this function , the
+ *  Shadow Ram will most likely contain an invalid checksum.
+ **/
+static s32 e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
+				u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 i, k, eewr = 0;
+	u32 attempts = 100000;
+	s32 ret_val = E1000_SUCCESS;
+
+	DEBUGFUNC("e1000_write_nvm_srwr");
+
+	/*
+	 * A check for invalid values:  offset too large, too many words,
+	 * too many words for the offset, and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		DEBUGOUT("nvm parameter(s) out of bounds\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eewr = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
+			(data[i] << E1000_NVM_RW_REG_DATA) |
+			E1000_NVM_RW_REG_START;
+
+		E1000_WRITE_REG(hw, E1000_SRWR, eewr);
+
+		for (k = 0; k < attempts; k++) {
+			if (E1000_NVM_RW_REG_DONE &
+			    E1000_READ_REG(hw, E1000_SRWR)) {
+				ret_val = E1000_SUCCESS;
+				break;
+			}
+			usec_delay(5);
+		}
+
+		if (ret_val != E1000_SUCCESS) {
+			DEBUGOUT("Shadow RAM write EEWR timed out\n");
+			break;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/** e1000_read_invm_word_i210 - Reads OTP
+ *  @hw: pointer to the HW structure
+ *  @address: the word address (aka eeprom offset) to read
+ *  @data: pointer to the data read
+ *
+ *  Reads 16-bit words from the OTP. Return error when the word is not
+ *  stored in OTP.
+ **/
+static s32 e1000_read_invm_word_i210(struct e1000_hw *hw, u8 address, u16 *data)
+{
+	s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+	u32 invm_dword;
+	u16 i;
+	u8 record_type, word_address;
+
+	DEBUGFUNC("e1000_read_invm_word_i210");
+
+	for (i = 0; i < E1000_INVM_SIZE; i++) {
+		invm_dword = E1000_READ_REG(hw, E1000_INVM_DATA_REG(i));
+		/* Get record type */
+		record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword);
+		if (record_type == E1000_INVM_UNINITIALIZED_STRUCTURE)
+			break;
+		if (record_type == E1000_INVM_CSR_AUTOLOAD_STRUCTURE)
+			i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_RSA_KEY_SHA256_STRUCTURE)
+			i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_WORD_AUTOLOAD_STRUCTURE) {
+			word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword);
+			if (word_address == address) {
+				*data = INVM_DWORD_TO_WORD_DATA(invm_dword);
+				DEBUGOUT2("Read INVM Word 0x%02x = %x",
+					  address, *data);
+				status = E1000_SUCCESS;
+				break;
+			}
+		}
+	}
+	if (status != E1000_SUCCESS)
+		DEBUGOUT1("Requested word 0x%02x not found in OTP\n", address);
+	return status;
+}
+
+/** e1000_read_invm_i210 - Read invm wrapper function for I210/I211
+ *  @hw: pointer to the HW structure
+ *  @address: the word address (aka eeprom offset) to read
+ *  @data: pointer to the data read
+ *
+ *  Wrapper function to return data formerly found in the NVM.
+ **/
+static s32 e1000_read_invm_i210(struct e1000_hw *hw, u16 offset,
+				u16 E1000_UNUSEDARG words, u16 *data)
+{
+	s32 ret_val = E1000_SUCCESS;
+
+	DEBUGFUNC("e1000_read_invm_i210");
+
+	/* Only the MAC addr is required to be present in the iNVM */
+	switch (offset) {
+	case NVM_MAC_ADDR:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, &data[0]);
+		ret_val |= e1000_read_invm_word_i210(hw, (u8)offset+1,
+						     &data[1]);
+		ret_val |= e1000_read_invm_word_i210(hw, (u8)offset+2,
+						     &data[2]);
+		if (ret_val != E1000_SUCCESS)
+			DEBUGOUT("MAC Addr not found in iNVM\n");
+		break;
+	case NVM_INIT_CTRL_2:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val != E1000_SUCCESS) {
+			*data = NVM_INIT_CTRL_2_DEFAULT_I211;
+			ret_val = E1000_SUCCESS;
+		}
+		break;
+	case NVM_INIT_CTRL_4:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val != E1000_SUCCESS) {
+			*data = NVM_INIT_CTRL_4_DEFAULT_I211;
+			ret_val = E1000_SUCCESS;
+		}
+		break;
+	case NVM_LED_1_CFG:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val != E1000_SUCCESS) {
+			*data = NVM_LED_1_CFG_DEFAULT_I211;
+			ret_val = E1000_SUCCESS;
+		}
+		break;
+	case NVM_LED_0_2_CFG:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val != E1000_SUCCESS) {
+			*data = NVM_LED_0_2_CFG_DEFAULT_I211;
+			ret_val = E1000_SUCCESS;
+		}
+		break;
+	case NVM_ID_LED_SETTINGS:
+		ret_val = e1000_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val != E1000_SUCCESS) {
+			*data = ID_LED_RESERVED_FFFF;
+			ret_val = E1000_SUCCESS;
+		}
+		break;
+	case NVM_SUB_DEV_ID:
+		*data = hw->subsystem_device_id;
+		break;
+	case NVM_SUB_VEN_ID:
+		*data = hw->subsystem_vendor_id;
+		break;
+	case NVM_DEV_ID:
+		*data = hw->device_id;
+		break;
+	case NVM_VEN_ID:
+		*data = hw->vendor_id;
+		break;
+	default:
+		DEBUGOUT1("NVM word 0x%02x is not mapped.\n", offset);
+		*data = NVM_RESERVED_WORD;
+		break;
+	}
+	return ret_val;
+}
+
+/**
+ *  e1000_validate_nvm_checksum_i210 - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+s32 e1000_validate_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 status = E1000_SUCCESS;
+	s32 (*read_op_ptr)(struct e1000_hw *, u16, u16, u16 *);
+
+	DEBUGFUNC("e1000_validate_nvm_checksum_i210");
+
+	if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+
+		/*
+		 * Replace the read function with semaphore grabbing with
+		 * the one that skips this for a while.
+		 * We have semaphore taken already here.
+		 */
+		read_op_ptr = hw->nvm.ops.read;
+		hw->nvm.ops.read = e1000_read_nvm_eerd;
+
+		status = e1000_validate_nvm_checksum_generic(hw);
+
+		/* Revert original read operation. */
+		hw->nvm.ops.read = read_op_ptr;
+
+		hw->nvm.ops.release(hw);
+	} else {
+		status = E1000_ERR_SWFW_SYNC;
+	}
+
+	return status;
+}
+
+
+/**
+ *  e1000_update_nvm_checksum_i210 - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  up to the checksum.  Then calculates the EEPROM checksum and writes the
+ *  value to the EEPROM. Next commit EEPROM data onto the Flash.
+ **/
+s32 e1000_update_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	DEBUGFUNC("e1000_update_nvm_checksum_i210");
+
+	/*
+	 * 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
+	 */
+	ret_val = e1000_read_nvm_eerd(hw, 0, 1, &nvm_data);
+	if (ret_val != E1000_SUCCESS) {
+		DEBUGOUT("EEPROM read failed\n");
+		goto out;
+	}
+
+	if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) {
+		/*
+		 * Do not use hw->nvm.ops.write, hw->nvm.ops.read
+		 * because we do not want to take the synchronization
+		 * semaphores twice here.
+		 */
+
+		for (i = 0; i < NVM_CHECKSUM_REG; i++) {
+			ret_val = e1000_read_nvm_eerd(hw, i, 1, &nvm_data);
+			if (ret_val) {
+				hw->nvm.ops.release(hw);
+				DEBUGOUT("NVM Read Error while updating checksum.\n");
+				goto out;
+			}
+			checksum += nvm_data;
+		}
+		checksum = (u16) NVM_SUM - checksum;
+		ret_val = e1000_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1,
+						&checksum);
+		if (ret_val != E1000_SUCCESS) {
+			hw->nvm.ops.release(hw);
+			DEBUGOUT("NVM Write Error while updating checksum.\n");
+			goto out;
+		}
+
+		hw->nvm.ops.release(hw);
+
+		ret_val = e1000_update_flash_i210(hw);
+	} else {
+		ret_val = E1000_ERR_SWFW_SYNC;
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_get_flash_presence_i210 - Check if flash device is detected.
+ *  @hw: pointer to the HW structure
+ *
+ **/
+bool e1000_get_flash_presence_i210(struct e1000_hw *hw)
+{
+	u32 eec = 0;
+	bool ret_val = FALSE;
+
+	DEBUGFUNC("e1000_get_flash_presence_i210");
+
+	eec = E1000_READ_REG(hw, E1000_EECD);
+
+	if (eec & E1000_EECD_FLASH_DETECTED_I210)
+		ret_val = TRUE;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_update_flash_i210 - Commit EEPROM to the flash
+ *  @hw: pointer to the HW structure
+ *
+ **/
+s32 e1000_update_flash_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u32 flup;
+
+	DEBUGFUNC("e1000_update_flash_i210");
+
+	ret_val = e1000_pool_flash_update_done_i210(hw);
+	if (ret_val == -E1000_ERR_NVM) {
+		DEBUGOUT("Flash update time out\n");
+		goto out;
+	}
+
+	flup = E1000_READ_REG(hw, E1000_EECD) | E1000_EECD_FLUPD_I210;
+	E1000_WRITE_REG(hw, E1000_EECD, flup);
+
+	ret_val = e1000_pool_flash_update_done_i210(hw);
+	if (ret_val == E1000_SUCCESS)
+		DEBUGOUT("Flash update complete\n");
+	else
+		DEBUGOUT("Flash update time out\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  e1000_pool_flash_update_done_i210 - Pool FLUDONE status.
+ *  @hw: pointer to the HW structure
+ *
+ **/
+s32 e1000_pool_flash_update_done_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = -E1000_ERR_NVM;
+	u32 i, reg;
+
+	DEBUGFUNC("e1000_pool_flash_update_done_i210");
+
+	for (i = 0; i < E1000_FLUDONE_ATTEMPTS; i++) {
+		reg = E1000_READ_REG(hw, E1000_EECD);
+		if (reg & E1000_EECD_FLUDONE_I210) {
+			ret_val = E1000_SUCCESS;
+			break;
+		}
+		usec_delay(5);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  e1000_init_nvm_params_i210 - Initialize i210 NVM function pointers
+ *  @hw: pointer to the HW structure
+ *
+ *  Initialize the i210/i211 NVM parameters and function pointers.
+ **/
+static s32 e1000_init_nvm_params_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	struct e1000_nvm_info *nvm = &hw->nvm;
+
+	DEBUGFUNC("e1000_init_nvm_params_i210");
+
+	ret_val = e1000_init_nvm_params_82575(hw);
+	nvm->ops.acquire = e1000_acquire_nvm_i210;
+	nvm->ops.release = e1000_release_nvm_i210;
+	nvm->ops.valid_led_default = e1000_valid_led_default_i210;
+	if (e1000_get_flash_presence_i210(hw)) {
+		hw->nvm.type = e1000_nvm_flash_hw;
+		nvm->ops.read    = e1000_read_nvm_srrd_i210;
+		nvm->ops.write   = e1000_write_nvm_srwr_i210;
+		nvm->ops.validate = e1000_validate_nvm_checksum_i210;
+		nvm->ops.update   = e1000_update_nvm_checksum_i210;
+	} else {
+		hw->nvm.type = e1000_nvm_invm;
+		nvm->ops.read     = e1000_read_invm_i210;
+		nvm->ops.write    = e1000_null_write_nvm;
+		nvm->ops.validate = e1000_null_ops_generic;
+		nvm->ops.update   = e1000_null_ops_generic;
+	}
+	return ret_val;
+}
+
+/**
+ *  e1000_init_function_pointers_i210 - Init func ptrs.
+ *  @hw: pointer to the HW structure
+ *
+ *  Called to initialize all function pointers and parameters.
+ **/
+void e1000_init_function_pointers_i210(struct e1000_hw *hw)
+{
+	e1000_init_function_pointers_82575(hw);
+	hw->nvm.ops.init_params = e1000_init_nvm_params_i210;
+
+	return;
+}
+
+/**
+ *  e1000_valid_led_default_i210 - Verify a valid default LED config
+ *  @hw: pointer to the HW structure
+ *  @data: pointer to the NVM (EEPROM)
+ *
+ *  Read the EEPROM for the current default LED configuration.  If the
+ *  LED configuration is not valid, set to a valid LED configuration.
+ **/
+static s32 e1000_valid_led_default_i210(struct e1000_hw *hw, u16 *data)
+{
+	s32 ret_val;
+
+	DEBUGFUNC("e1000_valid_led_default_i210");
+
+	ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data);
+	if (ret_val) {
+		DEBUGOUT("NVM Read Error\n");
+		goto out;
+	}
+
+	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
+		switch (hw->phy.media_type) {
+		case e1000_media_type_internal_serdes:
+			*data = ID_LED_DEFAULT_I210_SERDES;
+			break;
+		case e1000_media_type_copper:
+		default:
+			*data = ID_LED_DEFAULT_I210;
+			break;
+		}
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  __e1000_access_xmdio_reg - Read/write XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @address: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: pointer to value to read/write from/to the XMDIO address
+ *  @read: boolean flag to indicate read or write
+ **/
+static s32 __e1000_access_xmdio_reg(struct e1000_hw *hw, u16 address,
+				    u8 dev_addr, u16 *data, bool read)
+{
+	s32 ret_val;
+
+	DEBUGFUNC("__e1000_access_xmdio_reg");
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, dev_addr);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, address);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, E1000_MMDAC_FUNC_DATA |
+							 dev_addr);
+	if (ret_val)
+		return ret_val;
+
+	if (read)
+		ret_val = hw->phy.ops.read_reg(hw, E1000_MMDAAD, data);
+	else
+		ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, *data);
+	if (ret_val)
+		return ret_val;
+
+	/* Recalibrate the device back to 0 */
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
+	if (ret_val)
+		return ret_val;
+
+	return ret_val;
+}
+
+/**
+ *  e1000_read_xmdio_reg - Read XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @addr: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: value to be read from the EMI address
+ **/
+s32 e1000_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data)
+{
+	DEBUGFUNC("e1000_read_xmdio_reg");
+
+	return __e1000_access_xmdio_reg(hw, addr, dev_addr, data, TRUE);
+}
+
+/**
+ *  e1000_write_xmdio_reg - Write XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @addr: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: value to be written to the XMDIO address
+ **/
+s32 e1000_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
+{
+	DEBUGFUNC("e1000_read_xmdio_reg");
+
+	return __e1000_access_xmdio_reg(hw, addr, dev_addr, &data, FALSE);
+}
+
+/**
+ * e1000_pll_workaround_i210
+ * @hw: pointer to the HW structure
+ *
+ * Works around an errata in the PLL circuit where it occasionally
+ * provides the wrong clock frequency after power up.
+ **/
+static s32 e1000_pll_workaround_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val;
+	u16 nvm_word, phy_word, pci_word, tmp_nvm;
+	int i;
+
+	/* Get and set needed register values */
+	wuc = E1000_READ_REG(hw, E1000_WUC);
+	mdicnfg = E1000_READ_REG(hw, E1000_MDICNFG);
+	reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO;
+	E1000_WRITE_REG(hw, E1000_MDICNFG, reg_val);
+
+	/* Get data from NVM, or set default */
+	ret_val = e1000_read_invm_word_i210(hw, E1000_INVM_AUTOLOAD,
+					    &nvm_word);
+	if (ret_val != E1000_SUCCESS)
+		nvm_word = E1000_INVM_DEFAULT_AL;
+	tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL;
+	for (i = 0; i < E1000_MAX_PLL_TRIES; i++) {
+		/* check current state directly from internal PHY */
+		e1000_read_phy_reg_gs40g(hw, (E1000_PHY_PLL_FREQ_PAGE |
+					 E1000_PHY_PLL_FREQ_REG), &phy_word);
+		if ((phy_word & E1000_PHY_PLL_UNCONF)
+		    != E1000_PHY_PLL_UNCONF) {
+			ret_val = E1000_SUCCESS;
+			break;
+		} else {
+			ret_val = -E1000_ERR_PHY;
+		}
+		/* directly reset the internal PHY */
+		ctrl = E1000_READ_REG(hw, E1000_CTRL);
+		E1000_WRITE_REG(hw, E1000_CTRL, ctrl|E1000_CTRL_PHY_RST);
+
+		ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+		ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE);
+		E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+
+		E1000_WRITE_REG(hw, E1000_WUC, 0);
+		reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16);
+		E1000_WRITE_REG(hw, E1000_EEARBC_I210, reg_val);
+
+		e1000_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		pci_word |= E1000_PCI_PMCSR_D3;
+		e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		msec_delay(1);
+		pci_word &= ~E1000_PCI_PMCSR_D3;
+		e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16);
+		E1000_WRITE_REG(hw, E1000_EEARBC_I210, reg_val);
+
+		/* restore WUC register */
+		E1000_WRITE_REG(hw, E1000_WUC, wuc);
+	}
+	/* restore MDICNFG setting */
+	E1000_WRITE_REG(hw, E1000_MDICNFG, mdicnfg);
+	return ret_val;
+}
+
+/**
+ *  e1000_init_hw_i210 - Init hw for I210/I211
+ *  @hw: pointer to the HW structure
+ *
+ *  Called to initialize hw for i210 hw family.
+ **/
+s32 e1000_init_hw_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+
+	DEBUGFUNC("e1000_init_hw_i210");
+	if ((hw->mac.type >= e1000_i210) &&
+	    !(e1000_get_flash_presence_i210(hw))) {
+		ret_val = e1000_pll_workaround_i210(hw);
+		if (ret_val != E1000_SUCCESS)
+			return ret_val;
+	}
+	ret_val = e1000_init_hw_82575(hw);
+	return ret_val;
+}
diff --git a/libbsd.py b/libbsd.py
index ebbdc98..5b6df5b 100755
--- a/libbsd.py
+++ b/libbsd.py
@@ -971,24 +971,25 @@ def dev_nic_e1000(mm):
     mod.addKernelSpaceSourceFiles(
         [
             'sys/dev/e1000/e1000_80003es2lan.c',
-            'sys/dev/e1000/e1000_82542.c',
-            'sys/dev/e1000/e1000_82575.c',
-            'sys/dev/e1000/e1000_mac.c',
-            'sys/dev/e1000/e1000_nvm.c',
-            'sys/dev/e1000/e1000_vf.c',
-            'sys/dev/e1000/if_lem.c',
             'sys/dev/e1000/e1000_82540.c',
-            'sys/dev/e1000/e1000_82543.c',
-            'sys/dev/e1000/e1000_api.c',
-            'sys/dev/e1000/e1000_manage.c',
-            'sys/dev/e1000/e1000_osdep.c',
-            'sys/dev/e1000/if_em.c',
             'sys/dev/e1000/e1000_82541.c',
+            'sys/dev/e1000/e1000_82542.c',
+            'sys/dev/e1000/e1000_82543.c',
             'sys/dev/e1000/e1000_82571.c',
+            'sys/dev/e1000/e1000_82575.c',
+            'sys/dev/e1000/e1000_api.c',
+            'sys/dev/e1000/e1000_i210.c',
             'sys/dev/e1000/e1000_ich8lan.c',
+            'sys/dev/e1000/e1000_mac.c',
+            'sys/dev/e1000/e1000_manage.c',
             'sys/dev/e1000/e1000_mbx.c',
+            'sys/dev/e1000/e1000_nvm.c',
+            'sys/dev/e1000/e1000_osdep.c',
             'sys/dev/e1000/e1000_phy.c',
+            'sys/dev/e1000/e1000_vf.c',
+            'sys/dev/e1000/if_em.c',
             'sys/dev/e1000/if_igb.c',
+            'sys/dev/e1000/if_lem.c',
         ],
 	mm.generator['source']()
     )
diff --git a/wscript b/wscript
index 86d3ccf..77dcd9f 100644
--- a/wscript
+++ b/wscript
@@ -677,6 +677,7 @@ def build(bld):
               'freebsd/sys/dev/e1000/e1000_82571.c',
               'freebsd/sys/dev/e1000/e1000_82575.c',
               'freebsd/sys/dev/e1000/e1000_api.c',
+              'freebsd/sys/dev/e1000/e1000_i210.c',
               'freebsd/sys/dev/e1000/e1000_ich8lan.c',
               'freebsd/sys/dev/e1000/e1000_mac.c',
               'freebsd/sys/dev/e1000/e1000_manage.c',




More information about the vc mailing list