LXR uboot/board/eltec/elppc/srom.h

   1/*
   2 * (C) Copyright 2002 ELTEC Elektronik AG
   3 * Frank Gottschling <fgottschling@eltec.de>
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24/* common srom defs */
  25#define FIRST_DEVICE            0x00
  26#define SECOND_DEVICE           0x04
  27#define FIRST_BLOCK             0x00
  28#define SECOND_BLOCK            0x02
  29#define BLOCK_SIZE              0x100
  30#define ERROR                   (-1)
  31
  32#define CLK2P0TO1_1MB_PB_0P5DH  0x79000100
  33#define CLK2P5TO1_1MB_PB_0P5DH  0x7B000100
  34
  35#define CPU_TYPE_740            0x08
  36#define CPU_TYPE_750            0x08
  37#define CPU_TYPE                ((get_pvr()>>16)&0xffff)
  38
  39#define ABS(x)                  ((x<0)?-x:x)
  40#define SROM_SHORT(pX)          (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
  41
  42/* bab7xx ELTEC srom */
  43#define I2C_BUS_DAT             (CONFIG_SYS_ISA_IO + 0x220)
  44#define I2C_BUS_DIR             (CONFIG_SYS_ISA_IO + 0x221)
  45
  46/* srom at mpc107 */
  47#define MPC107_I2CADDR          (mpc107_eumb_addr + 0x3000)     /* address      */
  48#define MPC107_I2CFDR           (mpc107_eumb_addr + 0x3004)     /* freq divider */
  49#define MPC107_I2CCR            (mpc107_eumb_addr + 0x3008)     /* control      */
  50#define MPC107_I2CSR            (mpc107_eumb_addr + 0x300c)     /* status       */
  51#define MPC107_I2CDR            (mpc107_eumb_addr + 0x3010)     /* data         */
  52#define MPC107_I2C_TIMEOUT      10000000
  53
  54/* i82559 */
  55#define EE_ADDR_BITS            6
  56#define EE_SIZE                 0x40                            /* 0x40 words */
  57#define EE_CHECKSUM             0xBABA
  58
  59/* dc21143 */
  60#define DEC_SROM_SIZE           128
  61
  62
  63/*
  64 * structure of revision srom
  65 */
  66typedef struct  {
  67    char    magic[8];           /* 000 - Magic number */
  68    char    revrev[2];          /* 008 - Revision of structure */
  69    unsigned short size;        /* 00A - Size of CRC area */
  70    unsigned long  crc;         /* 00C - CRC */
  71    char    board[16];          /* 010 - Board Revision information */
  72    char    option[4][16];      /* 020 - Option Revision information */
  73    char    serial[8];          /* 060 - Board serial number */
  74    char    etheraddr[6];       /* 068 - Ethernet node addresse */
  75    char    reserved[2];        /* 06E - Reserved */
  76    char    revision[7][2];     /* 070 - Revision codes */
  77    char    category[2];        /* 07E - Category codes */
  78    char    text[64];           /* 080 - Text field */
  79    char    res[64];            /* 0C0 - Reserved */
  80} revinfo;
  81
  82unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
  83int el_srom_load  (unsigned char addr, unsigned char *buf, int cnt,
  84                   unsigned char device, unsigned char block);
  85int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
  86                   unsigned char device, unsigned char block);
  87
  88int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
  89int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
  90int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
  91                           unsigned char offset, unsigned char val);
  92int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
  93                      unsigned char device, unsigned char block);
  94int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
  95                       unsigned char device, unsigned char block);
  96
  97int dc_srom_load (unsigned short *dest);
  98int dc_srom_store (unsigned short *src);
  99
 100unsigned short eepro100_srom_checksum (unsigned short *sromdata);
 101void eepro100_srom_load (unsigned short *destination);
 102int  eepro100_srom_store (unsigned short *source);
 103