include/asm-arm/arch-clps711x/mp1000-seprom.h

   1 #ifndef MP1000_SEPROM_H
   2 #define MP1000_SEPROM_H
   3
   4 /*
   5  * mp1000-seprom.h
   6  *
   7  *
   8  *  This file contains the Serial EEPROM definitions for the MP1000 board
   9  *
  10  *  Copyright (C) 2005 Comdial Corporation
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25  *
  26  */
  27
  28 #define COMMAND_ERASE           (0x1C0)
  29 #define COMMAND_ERASE_ALL       (0x120)
  30 #define COMMAND_WRITE_DISABLE   (0x100)
  31 #define COMMAND_WRITE_ENABLE    (0x130)
  32 #define COMMAND_READ            (0x180)
  33 #define COMMAND_WRITE           (0x140)
  34 #define COMMAND_WRITE_ALL       (0x110)
  35
  36 //
  37 // Serial EEPROM data format
  38 //
  39
  40 #define PACKED __attribute__ ((packed))
  41
  42 typedef struct _EEPROM {
  43         union {
  44                 unsigned char eprom_byte_data[128];
  45                 unsigned short eprom_short_data[64];
  46                 struct {
  47                         unsigned char version PACKED;   // EEPROM Version "1" for now
  48                         unsigned char box_id PACKED;    // Box ID (Standalone, SOHO, embedded, etc)
  49                         unsigned char major_hw_version PACKED;  // Major Hardware version (Hex)
  50                         unsigned char minor_hw_version PACKED;  // Minor Hardware Version (Hex)
  51                         unsigned char mfg_id[3] PACKED; // Manufacturer ID (3 character Alphabetic)
  52                         unsigned char mfg_serial_number[10] PACKED;     // Manufacturer Serial number
  53                         unsigned char mfg_date[3] PACKED;       // Date of Mfg (Formatted YY:MM:DD)
  54                         unsigned char country PACKED;   // Country of deployment
  55                         unsigned char mac_Address[6] PACKED;    // MAC Address
  56                         unsigned char oem_string[20] PACKED;    // OEM ID string
  57                         unsigned short feature_bits1 PACKED;    // Feature Bits 1
  58                         unsigned short feature_bits2 PACKED;    // Feature Bits 2
  59                         unsigned char filler[75] PACKED;                // Unused/Undefined     \930\94 initialized
  60                         unsigned short checksum PACKED;         // byte accumulated short checksum
  61                 } eprom_struct;
  62         } variant;
  63 }  eeprom_struct;
  64
  65 /* These settings must be mutually exclusive */
  66 #define FEATURE_BITS1_DRAMSIZE_16MEG    0x0001  /* 0 signifies 4 MEG system */
  67 #define FEATURE_BITS1_DRAMSIZE_8MEG     0x0002  /* 1 in bit 1 = 8MEG system */
  68 #define FEATURE_BITS1_DRAMSIZE_64MEG    0x0004  /* 1 in bit 2 = 64MEG system */
  69
  70 #define FEATURE_BITS1_CPUIS90MEG     0x0010
  71
  72 extern void seprom_init(void);
  73 extern eeprom_struct* get_seprom_ptr(void);
  74 extern unsigned char* get_eeprom_mac_address(void);
  75
  76 #endif /* MP1000_SEPROM_H */
  77