drivers/net/ixgb/ixgb_ee.h

   1 /*******************************************************************************
   2
   3   Intel PRO/10GbE Linux driver
   4   Copyright(c) 1999 - 2008 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 #ifndef _IXGB_EE_H_
  30 #define _IXGB_EE_H_
  31
  32 #define IXGB_EEPROM_SIZE    64  /* Size in words */
  33
  34 #define IXGB_ETH_LENGTH_OF_ADDRESS   6
  35
  36 /* EEPROM Commands */
  37 #define EEPROM_READ_OPCODE  0x6 /* EEPROM read opcode */
  38 #define EEPROM_WRITE_OPCODE 0x5 /* EEPROM write opcode */
  39 #define EEPROM_ERASE_OPCODE 0x7 /* EEPROM erase opcode */
  40 #define EEPROM_EWEN_OPCODE  0x13        /* EEPROM erase/write enable */
  41 #define EEPROM_EWDS_OPCODE  0x10        /* EEPROM erase/write disable */
  42
  43 /* EEPROM MAP (Word Offsets) */
  44 #define EEPROM_IA_1_2_REG        0x0000
  45 #define EEPROM_IA_3_4_REG        0x0001
  46 #define EEPROM_IA_5_6_REG        0x0002
  47 #define EEPROM_COMPATIBILITY_REG 0x0003
  48 #define EEPROM_PBA_1_2_REG       0x0008
  49 #define EEPROM_PBA_3_4_REG       0x0009
  50 #define EEPROM_INIT_CONTROL1_REG 0x000A
  51 #define EEPROM_SUBSYS_ID_REG     0x000B
  52 #define EEPROM_SUBVEND_ID_REG    0x000C
  53 #define EEPROM_DEVICE_ID_REG     0x000D
  54 #define EEPROM_VENDOR_ID_REG     0x000E
  55 #define EEPROM_INIT_CONTROL2_REG 0x000F
  56 #define EEPROM_SWDPINS_REG       0x0020
  57 #define EEPROM_CIRCUIT_CTRL_REG  0x0021
  58 #define EEPROM_D0_D3_POWER_REG   0x0022
  59 #define EEPROM_FLASH_VERSION     0x0032
  60 #define EEPROM_CHECKSUM_REG      0x003F
  61
  62 /* Mask bits for fields in Word 0x0a of the EEPROM */
  63
  64 #define EEPROM_ICW1_SIGNATURE_MASK  0xC000
  65 #define EEPROM_ICW1_SIGNATURE_VALID 0x4000
  66 #define EEPROM_ICW1_SIGNATURE_CLEAR 0x0000
  67
  68 /* For checksumming, the sum of all words in the EEPROM should equal 0xBABA. */
  69 #define EEPROM_SUM 0xBABA
  70
  71 /* EEPROM Map Sizes (Byte Counts) */
  72 #define PBA_SIZE 4
  73
  74 /* EEPROM Map defines (WORD OFFSETS)*/
  75
  76 /* EEPROM structure */
  77 struct ixgb_ee_map_type {
  78         u8 mac_addr[IXGB_ETH_LENGTH_OF_ADDRESS];
  79         __le16 compatibility;
  80         __le16 reserved1[4];
  81         __le32 pba_number;
  82         __le16 init_ctrl_reg_1;
  83         __le16 subsystem_id;
  84         __le16 subvendor_id;
  85         __le16 device_id;
  86         __le16 vendor_id;
  87         __le16 init_ctrl_reg_2;
  88         __le16 oem_reserved[16];
  89         __le16 swdpins_reg;
  90         __le16 circuit_ctrl_reg;
  91         u8 d3_power;
  92         u8 d0_power;
  93         __le16 reserved2[28];
  94         __le16 checksum;
  95 };
  96
  97 /* EEPROM Functions */
  98 u16 ixgb_read_eeprom(struct ixgb_hw *hw, u16 reg);
  99
 100 bool ixgb_validate_eeprom_checksum(struct ixgb_hw *hw);
 101
 102 void ixgb_update_eeprom_checksum(struct ixgb_hw *hw);
 103
 104 void ixgb_write_eeprom(struct ixgb_hw *hw, u16 reg, u16 data);
 105
 106 #endif                          /* IXGB_EE_H */