drivers/net/ethernet/intel/ixgb/ixgb_ee.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright(c) 1999 - 2008 Intel Corporation. */
   3
   4 #ifndef _IXGB_EE_H_
   5 #define _IXGB_EE_H_
   6
   7 #define IXGB_EEPROM_SIZE    64  /* Size in words */
   8
   9 /* EEPROM Commands */
  10 #define EEPROM_READ_OPCODE  0x6 /* EEPROM read opcode */
  11 #define EEPROM_WRITE_OPCODE 0x5 /* EEPROM write opcode */
  12 #define EEPROM_ERASE_OPCODE 0x7 /* EEPROM erase opcode */
  13 #define EEPROM_EWEN_OPCODE  0x13        /* EEPROM erase/write enable */
  14 #define EEPROM_EWDS_OPCODE  0x10        /* EEPROM erase/write disable */
  15
  16 /* EEPROM MAP (Word Offsets) */
  17 #define EEPROM_IA_1_2_REG        0x0000
  18 #define EEPROM_IA_3_4_REG        0x0001
  19 #define EEPROM_IA_5_6_REG        0x0002
  20 #define EEPROM_COMPATIBILITY_REG 0x0003
  21 #define EEPROM_PBA_1_2_REG       0x0008
  22 #define EEPROM_PBA_3_4_REG       0x0009
  23 #define EEPROM_INIT_CONTROL1_REG 0x000A
  24 #define EEPROM_SUBSYS_ID_REG     0x000B
  25 #define EEPROM_SUBVEND_ID_REG    0x000C
  26 #define EEPROM_DEVICE_ID_REG     0x000D
  27 #define EEPROM_VENDOR_ID_REG     0x000E
  28 #define EEPROM_INIT_CONTROL2_REG 0x000F
  29 #define EEPROM_SWDPINS_REG       0x0020
  30 #define EEPROM_CIRCUIT_CTRL_REG  0x0021
  31 #define EEPROM_D0_D3_POWER_REG   0x0022
  32 #define EEPROM_FLASH_VERSION     0x0032
  33 #define EEPROM_CHECKSUM_REG      0x003F
  34
  35 /* Mask bits for fields in Word 0x0a of the EEPROM */
  36
  37 #define EEPROM_ICW1_SIGNATURE_MASK  0xC000
  38 #define EEPROM_ICW1_SIGNATURE_VALID 0x4000
  39 #define EEPROM_ICW1_SIGNATURE_CLEAR 0x0000
  40
  41 /* For checksumming, the sum of all words in the EEPROM should equal 0xBABA. */
  42 #define EEPROM_SUM 0xBABA
  43
  44 /* EEPROM Map Sizes (Byte Counts) */
  45 #define PBA_SIZE 4
  46
  47 /* EEPROM Map defines (WORD OFFSETS)*/
  48
  49 /* EEPROM structure */
  50 struct ixgb_ee_map_type {
  51         u8 mac_addr[ETH_ALEN];
  52         __le16 compatibility;
  53         __le16 reserved1[4];
  54         __le32 pba_number;
  55         __le16 init_ctrl_reg_1;
  56         __le16 subsystem_id;
  57         __le16 subvendor_id;
  58         __le16 device_id;
  59         __le16 vendor_id;
  60         __le16 init_ctrl_reg_2;
  61         __le16 oem_reserved[16];
  62         __le16 swdpins_reg;
  63         __le16 circuit_ctrl_reg;
  64         u8 d3_power;
  65         u8 d0_power;
  66         __le16 reserved2[28];
  67         __le16 checksum;
  68 };
  69
  70 /* EEPROM Functions */
  71 u16 ixgb_read_eeprom(struct ixgb_hw *hw, u16 reg);
  72
  73 bool ixgb_validate_eeprom_checksum(struct ixgb_hw *hw);
  74
  75 void ixgb_update_eeprom_checksum(struct ixgb_hw *hw);
  76
  77 void ixgb_write_eeprom(struct ixgb_hw *hw, u16 reg, u16 data);
  78
  79 #endif                          /* IXGB_EE_H */