drivers/net/ixgb/ixgb_ee.h

   1 /*******************************************************************************
   2
   3
   4   Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by the Free
   8   Software Foundation; either version 2 of the License, or (at your option)
   9   any later version.
  10
  11   This program is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14   more details.
  15
  16   You should have received a copy of the GNU General Public License along with
  17   this program; if not, write to the Free Software Foundation, Inc., 59
  18   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20   The full GNU General Public License is included in this distribution in the
  21   file called LICENSE.
  22
  23   Contact Information:
  24   Linux NICS <linux.nics@intel.com>
  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 /* EERPOM read opcode */
  38 #define EEPROM_WRITE_OPCODE 0x5 /* EERPOM write opcode */
  39 #define EEPROM_ERASE_OPCODE 0x7 /* EERPOM erase opcode */
  40 #define EEPROM_EWEN_OPCODE  0x13        /* EERPOM erase/write enable */
  41 #define EEPROM_EWDS_OPCODE  0x10        /* EERPOM erast/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         uint8_t mac_addr[IXGB_ETH_LENGTH_OF_ADDRESS];
  79         uint16_t compatibility;
  80         uint16_t reserved1[4];
  81         uint32_t pba_number;
  82         uint16_t init_ctrl_reg_1;
  83         uint16_t subsystem_id;
  84         uint16_t subvendor_id;
  85         uint16_t device_id;
  86         uint16_t vendor_id;
  87         uint16_t init_ctrl_reg_2;
  88         uint16_t oem_reserved[16];
  89         uint16_t swdpins_reg;
  90         uint16_t circuit_ctrl_reg;
  91         uint8_t d3_power;
  92         uint8_t d0_power;
  93         uint16_t reserved2[28];
  94         uint16_t checksum;
  95 };
  96
  97 /* EEPROM Functions */
  98 uint16_t ixgb_read_eeprom(struct ixgb_hw *hw, uint16_t reg);
  99
 100 boolean_t 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, uint16_t reg, uint16_t data);
 105
 106 #endif                          /* IXGB_EE_H */