Drop support for GTH board

The board maintainer states:

    The GTH board is obsolete and has not been manufactured for
    several years.
    To my knowledge, no recent U-Boot build has been tested on that
    card.

So drop support for this board.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Thomas Lange <thomas@corelatus.se>
Acked-by: Thomas Lange<thomas@corelatus.se>

1 files changed, 0 insertions, 335 deletions

diff --git a/board/gth/ee_access.c b/board/gth/ee_access.c
deleted file mode 100644
index 2a33a0e..0000000
--- a/board/gth/ee_access.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/* Module for handling DALLAS DS2438, smart battery monitor
-   Chip can store up to 40 bytes of user data in EEPROM,
-   perform temp, voltage and current measurements.
-   Chip also contains a unique serial number.
-
-   Always read/write LSb first
-
-   For documentaion, see data sheet for DS2438, 2438.pdf
-
-   By Thomas.Lange@corelatus.com 001025 */
-
-#include <common.h>
-#include <config.h>
-#include <mpc8xx.h>
-
-#include <../board/gth/ee_dev.h>
-
-/* We dont have kernel functions */
-#define printk printf
-#define KERN_DEBUG
-#define KERN_ERR
-#define EIO 1
-
-static int Debug = 0;
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-/*
- * lookup table ripped from DS app note 17, understanding and using
- * cyclic redundancy checks...
- */
-
-static u8 crc_lookup[256] = {
-	0,	94,	188,	226,	97,	63,	221,	131,
-	194,	156,	126,	32,	163,	253,	31,	65,
-	157,	195,	33,	127,	252,	162,	64,	30,
-	95,	1,	227,	189,	62,	96,	130,	220,
-	35,	125,	159,	193,	66,	28,	254,	160,
-	225,	191,	93,	3,	128,	222,	60,	98,
-	190,	224,	2,	92,	223,	129,	99,	61,
-	124,	34,	192,	158,	29,	67,	161,	255,
-	70,	24,	250,	164,	39,	121,	155,	197,
-	132,	218,	56,	102,	229,	187,	89,	7,
-	219,	133,	103,	57,	186,	228,	6,	88,
-	25,	71,	165,	251,	120,	38,	196,	154,
-	101,	59,	217,	135,	4,	90,	184,	230,
-	167,	249,	27,	69,	198,	152,	122,	36,
-	248,	166,	68,	26,	153,	199,	37,	123,
-	58,	100,	134,	216,	91,	5,	231,	185,
-	140,	210,	48,	110,	237,	179,	81,	15,
-	78,	16,	242,	172,	47,	113,	147,	205,
-	17,	79,	173,	243,	112,	46,	204,	146,
-	211,	141,	111,	49,	178,	236,	14,	80,
-	175,	241,	19,	77,	206,	144,	114,	44,
-	109,	51,	209,	143,	12,	82,	176,	238,
-	50,	108,	142,	208,	83,	13,	239,	177,
-	240,	174,	76,	18,	145,	207,	45,	115,
-	202,	148,	118,	40,	171,	245,	23,	73,
-	8,	86,	180,	234,	105,	55,	213,	139,
-	87,	9,	235,	181,	54,	104,	138,	212,
-	149,	203,	41,	119,	244,	170,	72,	22,
-	233,	183,	85,	11,	136,	214,	52,	106,
-	43,	117,	151,	201,	74,	20,	246,	168,
-	116,	42,	200,	150,	21,	75,	169,	247,
-	182,	232,	10,	84,	215,	137,	107,	53
-};
-
-static u8 make_new_crc( u8 Old_crc, u8 New_value ){
-  /* Compute a new checksum with new byte, using previous checksum as input
-     See DS app note 17, understanding and using cyclic redundancy checks...
-     Also see DS2438, page 11 */
-  return( crc_lookup[Old_crc ^ New_value ]);
-}
-
-int ee_crc_ok( u8 *Buffer, int Len, u8 Crc ){
-  /* Check if the checksum for this buffer is correct */
-  u8 Curr_crc=0;
-  int i;
-  u8 *Curr_byte = Buffer;
-
-  for(i=0;i<Len;i++){
-    Curr_crc = make_new_crc( Curr_crc, *Curr_byte);
-    Curr_byte++;
-  }
-  E_DEBUG("Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc);
-
-  if(Curr_crc == Crc){
-    /* Good */
-    return(TRUE);
-  }
-  printk(KERN_ERR"EE checksum error, Calculated CRC = 0x%x, read = 0x%x\n",
-	Curr_crc, Crc);
-  return(FALSE);
-}
-
-static void
-set_idle(void){
-  /* Send idle and keep start time
-     Continous 1 is idle */
-  WRITE_PORT(1);
-}
-
-static int
-do_reset(void){
-  /* Release reset and verify that chip responds with presence pulse */
-  int Retries = 0;
-  while(Retries<5){
-    udelay(RESET_LOW_TIME);
-
-    /* Send reset */
-    WRITE_PORT(0);
-    udelay(RESET_LOW_TIME);
-
-    /* Release reset */
-    WRITE_PORT(1);
-
-    /* Wait for EEPROM to drive output */
-    udelay(PRESENCE_TIMEOUT);
-    if(!READ_PORT){
-      /* Ok, EEPROM is driving a 0 */
-      E_DEBUG("Presence detected\n");
-      if(Retries){
-	E_DEBUG("Retries %d\n",Retries);
-      }
-      /* Make sure chip releases pin */
-      udelay(PRESENCE_LOW_TIME);
-      return 0;
-    }
-    Retries++;
-  }
-
-  printk(KERN_ERR"EEPROM did not respond when releasing reset\n");
-
-    /* Make sure chip releases pin */
-  udelay(PRESENCE_LOW_TIME);
-
-  /* Set to idle again */
-  set_idle();
-
-  return(-EIO);
-}
-
-static u8
-read_byte(void){
-  /* Read a single byte from EEPROM
-     Read LSb first */
-  int i;
-  int Value;
-  u8 Result=0;
-#ifndef CONFIG_SYS_IMMR
-  u32 Flags;
-#endif
-
-  E_DEBUG("Reading byte\n");
-
-  for(i=0;i<8;i++){
-    /* Small delay between pulses */
-    udelay(1);
-
-#ifndef CONFIG_SYS_IMMR
-    /* Disable irq */
-    save_flags(Flags);
-    cli();
-#endif
-
-    /* Pull down pin short time to start read
-       See page 26 in data sheet */
-
-    WRITE_PORT(0);
-    udelay(READ_LOW);
-    WRITE_PORT(1);
-
-    /* Wait for chip to drive pin */
-    udelay(READ_TIMEOUT);
-
-    Value = READ_PORT;
-    if(Value)
-      Value=1;
-
-#ifndef CONFIG_SYS_IMMR
-    /* Enable irq */
-    restore_flags(Flags);
-#endif
-
-    /* Wait for chip to release pin */
-    udelay(TOTAL_READ_LOW-READ_TIMEOUT);
-
-    /* LSb first */
-    Result|=Value<<i;
-  }
-
-  E_DEBUG("Read byte 0x%x\n",Result);
-
-  return(Result);
-}
-
-static void
-write_byte(u8 Byte){
-  /* Write a single byte to EEPROM
-     Write LSb first */
-  int i;
-  int Value;
-#ifndef CONFIG_SYS_IMMR
-  u32 Flags;
-#endif
-
-  E_DEBUG("Writing byte 0x%x\n",Byte);
-
-  for(i=0;i<8;i++){
-    /* Small delay between pulses */
-    udelay(1);
-    Value = Byte&1;
-
-#ifndef CONFIG_SYS_IMMR
-    /* Disable irq */
-    save_flags(Flags);
-    cli();
-#endif
-
-    /* Pull down pin short time for a 1, long time for a 0
-       See page 26 in data sheet */
-
-    WRITE_PORT(0);
-    if(Value){
-      /* Write a 1 */
-      udelay(WRITE_1_LOW);
-    }
-    else{
-      /* Write a 0 */
-      udelay(WRITE_0_LOW);
-    }
-
-    WRITE_PORT(1);
-
-#ifndef CONFIG_SYS_IMMR
-    /* Enable irq */
-    restore_flags(Flags);
-#endif
-
-    if(Value)
-      /* Wait for chip to read the 1 */
-      udelay(TOTAL_WRITE_LOW-WRITE_1_LOW);
-    Byte>>=1;
-  }
-}
-
-int ee_do_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip ){
-  /* Execute this command string, including
-     giving reset and setting to idle after command
-     if Rx_len is set, we read out data from EEPROM */
-  int i;
-
-  E_DEBUG("Command, Tx_len %d, Rx_len %d\n", Tx_len, Rx_len );
-
-  if(do_reset()){
-    /* Failed! */
-    return(-EIO);
-  }
-
-  if(Send_skip)
-    /* Always send SKIP_ROM first to tell chip we are sending a command,
-       except when we read out rom data for chip */
-    write_byte(SKIP_ROM);
-
-  /* Always have Tx data */
-  for(i=0;i<Tx_len;i++){
-    write_byte(Tx[i]);
-  }
-
-  if(Rx_len){
-    for(i=0;i<Rx_len;i++){
-      Rx[i]=read_byte();
-    }
-  }
-
-  set_idle();
-
-  E_DEBUG("Command done\n");
-
-  return(0);
-}
-
-int ee_init_data(void){
-  int i;
-  u8 Tx[10];
-  int tmp;
-  volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
-
-  while(0){
-    tmp = 1-tmp;
-    if(tmp)
-      immap->im_ioport.iop_padat &= ~PA_FRONT_LED;
-    else
-      immap->im_ioport.iop_padat |= PA_FRONT_LED;
-    udelay(1);
-  }
-
-  /* Set port to open drain to be able to read data from
-     port without setting it to input */
-  PORT_B_PAR &= ~PB_EEPROM;
-  PORT_B_ODR |= PB_EEPROM;
-  SET_PORT_B_OUTPUT(PB_EEPROM);
-
-  /* Set idle mode */
-  set_idle();
-
-  /* Copy all User EEPROM data to scratchpad */
-  for(i=0;i<USER_PAGES;i++){
-    Tx[0]=RECALL_MEMORY;
-    Tx[1]=EE_USER_PAGE_0+i;
-    if(ee_do_command(Tx,2,NULL,0,TRUE)) return(-EIO);
-  }
-
-  /* Make sure chip doesnt store measurements in NVRAM */
-  Tx[0]=WRITE_SCRATCHPAD;
-  Tx[1]=0; /* Page */
-  Tx[2]=9;
-  if(ee_do_command(Tx,3,NULL,0,TRUE)) return(-EIO);
-
-  Tx[0]=COPY_SCRATCHPAD;
-  if(ee_do_command(Tx,2,NULL,0,TRUE)) return(-EIO);
-
-  /* FIXME check status bit instead
-     Could take 10 ms to store in EEPROM */
-  for(i=0;i<10;i++){
-    udelay(1000);
-  }
-
-  return(0);
-}