* Patch by Martin Krause, 11 Sep 2003:

  add burn-in tests for TRAB board

* Enable instruction cache on MPC5200 board

1 files changed, 821 insertions, 0 deletions

diff --git a/board/trab/cmd_trab.c b/board/trab/cmd_trab.c
new file mode 100644
index 0000000..0a9768a
--- /dev/null
+++ b/board/trab/cmd_trab.c
@@ -0,0 +1,821 @@
+/*
+ * (C) Copyright 2003
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <s3c2400.h>
+
+/*
+ * TRAB board specific commands. Especially commands for burn-in and function
+ * test.
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+/* limits for valid range of VCC5V in mV  */
+#define VCC5V_MIN       4500
+#define VCC5V_MAX       5500
+
+/*
+ * Test strings for EEPROM test. Length of string 2 must not exceed length of
+ * string 1. Otherwise a buffer overrun could occur!
+ */
+#define EEPROM_TEST_STRING_1    "0987654321 :tset a si siht"
+#define EEPROM_TEST_STRING_2    "this is a test: 1234567890"
+
+/*
+ * min/max limits for valid contact temperature during burn in test (in
+ * degree Centigrade * 100)
+ */
+#define MIN_CONTACT_TEMP        -1000
+#define MAX_CONTACT_TEMP        +9000
+
+/* blinking frequency of status LED */
+#define LED_BLINK_FREQ          5
+
+/* delay time between burn in cycles in seconds */
+#ifndef BURN_IN_CYCLE_DELAY     /* if not defined in include/configs/trab.h */
+#define BURN_IN_CYCLE_DELAY     5
+#endif
+
+/* physical SRAM parameters */
+#define SRAM_ADDR       0x02000000 /* GCS1 */
+#define SRAM_SIZE       0x40000 /* 256 kByte */
+
+/* CPLD-Register for controlling TRAB hardware functions */
+#define CPLD_BUTTONS            ((volatile unsigned long *)0x04020000)
+#define CPLD_FILL_LEVEL         ((volatile unsigned long *)0x04008000)
+#define CPLD_ROTARY_SWITCH      ((volatile unsigned long *)0x04018000)
+#define CPLD_RS485_RE           ((volatile unsigned long *)0x04028000)
+
+/* I2C EEPROM device address */
+#define I2C_EEPROM_DEV_ADDR     0x54
+
+/* EEPROM address map */
+#define EE_ADDR_TEST                    128
+#define EE_ADDR_MAX_CYCLES              256
+#define EE_ADDR_STATUS                  258
+#define EE_ADDR_PASS_CYCLES             259
+#define EE_ADDR_FIRST_ERROR_CYCLE       261
+#define EE_ADDR_FIRST_ERROR_NUM         263
+#define EE_ADDR_FIRST_ERROR_NAME        264
+#define EE_ADDR_ACT_CYCLE               280
+
+/* Bit definitions for ADCCON */
+#define ADC_ENABLE_START     0x1
+#define ADC_READ_START       0x2
+#define ADC_STDBM            0x4
+#define ADC_INP_AIN0         (0x0 << 3)
+#define ADC_INP_AIN1         (0x1 << 3)
+#define ADC_INP_AIN2         (0x2 << 3)
+#define ADC_INP_AIN3         (0x3 << 3)
+#define ADC_INP_AIN4         (0x4 << 3)
+#define ADC_INP_AIN5         (0x5 << 3)
+#define ADC_INP_AIN6         (0x6 << 3)
+#define ADC_INP_AIN7         (0x7 << 3)
+#define ADC_PRSCEN           0x4000
+#define ADC_ECFLG            0x800
+
+/* misc */
+
+/* externals */
+extern int memory_post_tests (unsigned long start, unsigned long size);
+extern int i2c_write (uchar, uint, int , uchar* , int);
+extern int i2c_read (uchar, uint, int , uchar* , int);
+extern void tsc2000_reg_init (void);
+extern s32 tsc2000_contact_temp (void);
+extern void spi_init(void);
+
+/* function declarations */
+int do_dip (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_vcc5v (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_burn_in (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_contact_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_burn_in_status (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+/* helper functions */
+static void adc_init (void);
+static int adc_read (unsigned int channel);
+static int read_dip (void);
+static int read_vcc5v (void);
+static int test_dip (void);
+static int test_vcc5v (void);
+static int test_rotary_switch (void);
+static int test_sram (void);
+static int test_eeprom (void);
+static int test_contact_temp (void);
+static int i2c_write_multiple (uchar chip, uint addr, int alen,
+                               uchar *buffer, int len);
+static int i2c_read_multiple (uchar chip, uint addr, int alen,
+                              uchar *buffer, int len);
+static void led_set (unsigned int);
+static void led_blink (void);
+static void led_init (void);
+static void sdelay (unsigned long seconds); /* delay in seconds */
+static int dummy (void);
+static int read_max_cycles(void);
+static void test_function_table_init (void);
+static void global_vars_init (void);
+static int global_vars_write_to_eeprom (void);
+
+/* globals */
+u16 max_cycles;
+u8 status;
+u16 pass_cycles;
+u16 first_error_cycle;
+u8 first_error_num;
+unsigned char first_error_name[16];
+u16 act_cycle;
+
+typedef struct test_function_s {
+	unsigned char *name;
+        int (*pf)(void);
+} test_function_t;
+
+/* max number of Burn In Functions */
+#define BIF_MAX 6
+
+/* table with burn in functions */
+test_function_t test_function[BIF_MAX];
+
+
+int do_burn_in (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+        int i;
+        int cycle_status;
+
+        if (argc > 1) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+        led_init ();
+        global_vars_init ();
+        test_function_table_init ();
+
+        if (global_vars_write_to_eeprom () != 0) {
+                printf ("%s: error writing global_vars to eeprom\n",
+                        __FUNCTION__);
+                return (1);
+        }
+
+        if (read_max_cycles () != 0) {
+                printf ("%s: error reading max_cycles from eeprom\n",
+                        __FUNCTION__);
+                return (1);
+        }
+
+        if (max_cycles == 0) {
+                printf ("%s: error, burn in max_cycles = 0\n", __FUNCTION__);
+                return (1);
+        }
+
+        status = 0;
+        for (act_cycle = 1; act_cycle <= max_cycles; act_cycle++) {
+
+                cycle_status = 0;
+                for (i = 0; i < BIF_MAX; i++) {
+
+                        /* call test function */
+                        if ((*test_function[i].pf)() != 0) {
+                                printf ("error in %s test\n",
+                                        test_function[i].name);
+
+                                /* is it the first error? */
+                                if (status == 0) {
+                                        status = 1;
+                                        first_error_cycle = act_cycle;
+
+                                        /* do not use error_num 0 */
+                                        first_error_num = i+1;
+                                        strncpy (first_error_name,
+                                                 test_function[i].name,
+                                                 sizeof (first_error_name));
+                                        led_set (0);
+                                }
+                                cycle_status = 1;
+                        }
+                }
+                /* were all tests of actual cycle OK? */
+                if (cycle_status == 0)
+                        pass_cycles++;
+
+                /* set status LED if no error is occoured since yet */
+                if (status == 0)
+                        led_set (1);
+
+                printf ("%s: cycle %d finished\n", __FUNCTION__, act_cycle);
+
+                /* pause between cycles */
+                sdelay (BURN_IN_CYCLE_DELAY);
+        }
+
+        if (global_vars_write_to_eeprom () != 0) {
+                led_set (0);
+                printf ("%s: error writing global_vars to eeprom\n",
+                        __FUNCTION__);
+                status = 1;
+        }
+
+        if (status == 0) {
+                led_blink ();   /* endless loop!! */
+                return (0);
+        } else {
+                led_set (0);
+                return (1);
+        }
+}
+
+U_BOOT_CMD(
+ 	burn_in,	1,	1,	do_burn_in,
+ 	"burn_in - start burn-in test application on TRAB\n",
+ 	"\n"
+ 	"    -  start burn-in test application\n"
+        "       The burn-in test could took a while to finish!\n"
+        "       The content of the onboard EEPROM is modified!\n"
+);
+
+
+int do_dip (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+        int i, dip;
+
+      	if (argc > 1) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+        if ((dip = read_dip ()) == -1) {
+                return 1;
+        }
+
+        for (i = 0; i < 4; i++) {
+                if ((dip & (1 << i)) == 0)
+                        printf("0");
+                else
+                        printf("1");
+        }
+        printf("\n");
+
+	return 0;
+}
+
+U_BOOT_CMD(
+ 	dip,	1,	1,	do_dip,
+ 	"dip     - read dip switch on TRAB\n",
+ 	"\n"
+ 	"    - read state of dip switch (S1) on TRAB board\n"
+        "      read sequence: 1-2-3-4; ON=1; OFF=0; e.g.: \"0100\"\n"
+);
+
+
+int do_vcc5v (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+        int vcc5v;
+
+        if (argc > 1) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+        if ((vcc5v = read_vcc5v ()) == -1) {
+                return (1);
+        }
+
+        printf ("%d", (vcc5v / 1000));
+        printf (".%d", (vcc5v % 1000) / 100);
+        printf ("%d V\n", (vcc5v % 100) / 10) ;
+
+	return 0;
+}
+
+U_BOOT_CMD(
+ 	vcc5v,	1,	1,	do_vcc5v,
+ 	"vcc5v   - read VCC5V on TRAB\n",
+ 	"\n"
+ 	"    - read actual value of voltage VCC5V\n"
+);
+
+
+int do_contact_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+        int contact_temp;
+
+        if (argc > 1) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+        spi_init ();
+        tsc2000_reg_init ();
+
+        contact_temp = tsc2000_contact_temp();
+        printf ("%d degree C * 100\n", contact_temp) ;
+
+	return 0;
+}
+
+U_BOOT_CMD(
+ 	c_temp,	1,	1,	do_contact_temp,
+ 	"c_temp  - read contact temperature on TRAB\n",
+ 	"\n"
+ 	"    -  reads the onboard temperature (=contact temperature)\n"
+);
+
+
+int do_burn_in_status (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+        if (argc > 1) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_STATUS, 1,
+                                (unsigned char*) &status, 1)) {
+                return (1);
+        }
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_PASS_CYCLES, 1,
+                                (unsigned char*) &pass_cycles, 2)) {
+                return (1);
+        }
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_CYCLE,
+                                1, (unsigned char*) &first_error_cycle, 2)) {
+                return (1);
+        }
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NUM,
+                                1, (unsigned char*) &first_error_num, 1)) {
+                return (1);
+        }
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NAME,
+                               1, first_error_name,
+                               sizeof (first_error_name))) {
+                return (1);
+        }
+
+        if (read_max_cycles () != 0) {
+                return (1);
+        }
+
+        printf ("max_cycles = %d\n", max_cycles);
+        printf ("status = %d\n", status);
+        printf ("pass_cycles = %d\n", pass_cycles);
+        printf ("first_error_cycle = %d\n", first_error_cycle);
+        printf ("first_error_num = %d\n", first_error_num);
+        printf ("first_error_name = %.*s\n",(int) sizeof(first_error_name),
+                first_error_name);
+
+	return 0;
+}
+
+U_BOOT_CMD(
+ 	bis,	1,	1,	do_burn_in_status,
+ 	"bis     - print burn in status on TRAB\n",
+ 	"\n"
+ 	"    -  prints the status variables of the last burn in test\n"
+        "       stored in the onboard EEPROM on TRAB board\n"
+);
+
+static int read_dip (void)
+{
+        unsigned int result = 0;
+        int adc_val;
+        int i;
+
+	/***********************************************************
+	 DIP switch connection (according to wa4-cpu.sp.301.pdf, page 3):
+	   SW1 - AIN4
+	   SW2 - AIN5
+	   SW3 - AIN6
+	   SW4 - AIN7
+
+	   "On" DIP switch position short-circuits the voltage from
+	   the input channel (i.e. '0' conversion result means "on").
+	*************************************************************/
+
+	for (i = 7; i > 3; i--) {
+
+                if ((adc_val = adc_read (i)) == -1) {
+                        printf ("%s: Channel %d could not be read\n",
+                                 __FUNCTION__, i);
+                        return (-1);
+                }
+
+		/*
+		 * Input voltage (switch open) is 1.8 V.
+		 * (Vin_High/VRef)*adc_res = (1,8V/2,5V)*1023) = 736
+		 * Set trigger at halve that value.
+		 */
+		if (adc_val < 368)
+                        result |= (1 << (i-4));
+        }
+        return (result);
+}
+
+
+static int read_vcc5v (void)
+{
+        s32 result;
+
+        /* VCC5V is connected to channel 2 */
+
+        if ((result = adc_read (2)) == -1) {
+                printf ("%s: VCC5V could not be read\n", __FUNCTION__);
+                return (-1);
+        }
+        /*
+         * Calculate voltage value. Split in two parts because there is no
+         * floating point support.  VCC5V is connected over an resistor divider:
+         * VCC5V=ADCval*2,5V/1023*(10K+30K)/10K.
+         */
+        result = result * 10 * 1000 / 1023; /* result in mV */
+
+        return (result);
+}
+
+
+static int test_dip (void)
+{
+        static int first_run = 1;
+        static int first_dip;
+
+        if (first_run) {
+                if ((first_dip = read_dip ()) == -1) {
+                        return (1);
+                }
+                first_run = 0;
+                debug ("%s: first_dip=%d\n", __FUNCTION__, first_dip);
+        }
+        if (first_dip != read_dip ()) {
+                return (1);
+        } else {
+                return (0);
+        }
+}
+
+
+static int test_vcc5v (void)
+{
+        int vcc5v;
+
+        if ((vcc5v = read_vcc5v ()) == -1) {
+                return (1);
+        }
+
+        if ((vcc5v > VCC5V_MAX) || (vcc5v < VCC5V_MIN)) {
+                return (1);
+        } else {
+                return (0);
+        }
+}
+
+
+static int test_rotary_switch (void)
+{
+        static int first_run = 1;
+        static int first_rs;
+
+        if (first_run) {
+                /*
+                 * clear bits in CPLD, because they have random values after
+                 * power-up or reset.
+                 */
+                *CPLD_ROTARY_SWITCH |= (1 << 16) | (1 << 17);
+
+                first_rs = ((*CPLD_ROTARY_SWITCH >> 16) & 0x7);
+                first_run = 0;
+                debug ("%s: first_rs=%d\n", __FUNCTION__, first_rs);
+        }
+
+        if (first_rs != ((*CPLD_ROTARY_SWITCH >> 16) & 0x7)) {
+                return (1);
+        } else {
+                return (0);
+        }
+}
+
+
+static int test_sram (void)
+{
+        return (memory_post_tests (SRAM_ADDR, SRAM_SIZE));
+}
+
+
+static int test_eeprom (void)
+{
+        unsigned char temp[sizeof (EEPROM_TEST_STRING_1)];
+        int result = 0;
+
+        /* write test string 1, read back and verify */
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_TEST, 1,
+                                EEPROM_TEST_STRING_1,
+                                sizeof (EEPROM_TEST_STRING_1))) {
+                return (1);
+        }
+
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_TEST, 1,
+                               temp, sizeof (EEPROM_TEST_STRING_1))) {
+                return (1);
+        }
+
+        if (strcmp (temp, EEPROM_TEST_STRING_1) != 0) {
+                result = 1;
+                printf ("%s: error; read_str = \"%s\"\n", __FUNCTION__, temp);
+        }
+
+        /* write test string 2, read back and verify */
+        if (result == 0) {
+                if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_TEST, 1,
+                                        EEPROM_TEST_STRING_2,
+                                        sizeof (EEPROM_TEST_STRING_2))) {
+                        return (1);
+                }
+
+                if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_TEST, 1,
+                                       temp, sizeof (EEPROM_TEST_STRING_2))) {
+                        return (1);
+                }
+
+                if (strcmp (temp, EEPROM_TEST_STRING_2) != 0) {
+                        result = 1;
+                        printf ("%s: error; read str = \"%s\"\n",
+                                __FUNCTION__, temp);
+                }
+        }
+        return (result);
+}
+
+
+static int test_contact_temp (void)
+{
+        int contact_temp;
+
+        spi_init ();
+        contact_temp = tsc2000_contact_temp ();
+
+        if ((contact_temp < MIN_CONTACT_TEMP)
+            || (contact_temp > MAX_CONTACT_TEMP))
+                return (1);
+        else
+                return (0);
+}
+
+
+static int i2c_write_multiple (uchar chip, uint addr, int alen,
+                               uchar *buffer, int len)
+{
+        int i;
+
+        if (alen != 1) {
+                printf ("%s: addr len other than 1 not supported\n",
+                         __FUNCTION__);
+                return (1);
+        }
+
+        for (i = 0; i < len; i++) {
+                if (i2c_write (chip, addr+i, alen, buffer+i, 1)) {
+                        printf ("%s: could not write to i2c device %d"
+                                 ", addr %d\n", __FUNCTION__, chip, addr);
+                        return (1);
+                }
+#if 0
+                printf ("chip=%#x, addr+i=%#x+%d=%p, alen=%d, *buffer+i="
+                        "%#x+%d=%p=\"%.1s\"\n", chip, addr, i, addr+i,
+                        alen, buffer, i, buffer+i, buffer+i);
+#endif
+
+                udelay (30000);
+        }
+        return (0);
+}
+
+
+static int i2c_read_multiple (uchar chip, uint addr, int alen,
+                               uchar *buffer, int len)
+{
+        int i;
+
+        if (alen != 1) {
+                printf ("%s: addr len other than 1 not supported\n",
+                         __FUNCTION__);
+                return (1);
+        }
+
+        for (i = 0; i < len; i++) {
+                if (i2c_read (chip, addr+i, alen, buffer+i, 1)) {
+                        printf ("%s: could not read from i2c device %#x"
+                                 ", addr %d\n", __FUNCTION__, chip, addr);
+                        return (1);
+                }
+        }
+        return (0);
+}
+
+
+static int adc_read (unsigned int channel)
+{
+        int j = 1000; /* timeout value for wait loop in us */
+        S3C2400_ADC *padc;
+
+        padc = S3C2400_GetBase_ADC();
+        channel &= 0x7;
+
+        adc_init ();
+
+	debug ("%s: adccon %#x\n", __FUNCTION__, padc->ADCCON);
+
+        padc->ADCCON &= ~ADC_STDBM; /* select normal mode */
+	padc->ADCCON &= ~(0x7 << 3); /* clear the channel bits */
+        padc->ADCCON |= ((channel << 3) | ADC_ENABLE_START);
+
+        debug ("%s: reading ch %d, addcon %#x\n", __FUNCTION__,
+		(padc->ADCCON >> 3) & 0x7, padc->ADCCON);
+
+        while (j--) {
+                if ((padc->ADCCON & ADC_ENABLE_START) == 0)
+                        break;
+                udelay (1);
+        }
+
+        if (j == 0) {
+                printf("%s: ADC timeout\n", __FUNCTION__);
+                padc->ADCCON |= ADC_STDBM; /* select standby mode */
+                return -1;
+        }
+
+        padc->ADCCON |= ADC_STDBM; /* select standby mode */
+
+        debug ("%s: return %#x, adccon %#x\n", __FUNCTION__,
+		padc->ADCDAT & 0x3FF, padc->ADCCON);
+
+        return (padc->ADCDAT & 0x3FF);
+}
+
+
+static void adc_init (void)
+{
+        S3C2400_ADC *padc;
+
+        padc = S3C2400_GetBase_ADC();
+
+	padc->ADCCON &= ~(0xff << 6); /* clear prescaler bits */
+	padc->ADCCON |= ((65 << 6) | ADC_PRSCEN); /* set prescaler */
+
+        return;
+}
+
+
+static void led_set (unsigned int state)
+{
+        S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+        led_init ();
+
+        switch (state) {
+        case 0: /* turn LED off */
+                gpio->PADAT |= (1 << 12);
+                break;
+        case 1: /* turn LED on */
+                gpio->PADAT &= ~(1 << 12);
+                break;
+        default:
+        }
+}
+
+static void led_blink (void)
+{
+        led_init ();
+
+        /* blink LED. This function does not return! */
+        while (1) {
+                led_set (1);
+                udelay (1000000 / LED_BLINK_FREQ / 2);
+                led_set (0);
+                udelay (1000000 / LED_BLINK_FREQ / 2);
+        }
+}
+
+
+static void led_init (void)
+{
+        S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+        /* configure GPA12 as output and set to High -> LED off */
+        gpio->PACON &= ~(1 << 12);
+        gpio->PADAT |= (1 << 12);
+}
+
+
+static void sdelay (unsigned long seconds)
+{
+        unsigned long i;
+
+        for (i = 0; i < seconds; i++) {
+                udelay (1000000);
+        }
+}
+
+
+static int global_vars_write_to_eeprom (void)
+{
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_STATUS, 1,
+                                (unsigned char*) &status, 1)) {
+                return (1);
+        }
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_PASS_CYCLES, 1,
+                                (unsigned char*) &pass_cycles, 2)) {
+                return (1);
+        }
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_CYCLE,
+                                1, (unsigned char*) &first_error_cycle, 2)) {
+                return (1);
+        }
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NUM,
+                                1, (unsigned char*) &first_error_num, 1)) {
+                return (1);
+        }
+        if (i2c_write_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NAME,
+                                1, first_error_name,
+                                sizeof(first_error_name))) {
+                return (1);
+        }
+        return (0);
+}
+
+static void global_vars_init (void)
+{
+        status                  = 1; /* error */
+        pass_cycles             = 0;
+        first_error_cycle       = 0;
+        first_error_num         = 0;
+        first_error_name[0]     = '\0';
+        act_cycle               = 0;
+        max_cycles              = 0;
+}
+
+
+static void test_function_table_init (void)
+{
+        int i;
+
+  	for (i = 0; i < BIF_MAX; i++)
+		test_function[i].pf = dummy;
+
+        /*
+         * the length of "name" must not exceed 16, including the '\0'
+         * termination. See also the EEPROM address map.
+         */
+        test_function[0].pf = test_dip;
+        test_function[0].name = "dip";
+
+        test_function[1].pf = test_vcc5v;
+        test_function[1].name = "vcc5v";
+
+        test_function[2].pf = test_rotary_switch;
+        test_function[2].name = "rotary_switch";
+
+        test_function[3].pf = test_sram;
+        test_function[3].name = "sram";
+
+        test_function[4].pf = test_eeprom;
+        test_function[4].name = "eeprom";
+
+        test_function[5].pf = test_contact_temp;
+        test_function[5].name = "contact_temp";
+}
+
+
+static int read_max_cycles (void)
+{
+        if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_MAX_CYCLES, 1,
+                               (unsigned char *) &max_cycles, 2) != 0) {
+                return (1);
+        }
+
+        return (0);
+}
+
+static int dummy(void)
+{
+        return (0);
+}
+
+#endif	/* CFG_CMD_BSP */