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151ab83a93
* Add reset code for Coral-P on INKA4x0 board * Patch by Martin Krause, 28 Jun 2004: Update for TRAB board. * Fix some missing "volatile"s in MPC5xxx FEC driver
895 lines
20 KiB
C
895 lines
20 KiB
C
/*
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* (C) Copyright 2003
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* Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#undef DEBUG
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#include <common.h>
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#include <command.h>
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#include <s3c2400.h>
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#include <rtc.h>
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/*
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* TRAB board specific commands. Especially commands for burn-in and function
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* test.
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*/
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#if (CONFIG_COMMANDS & CFG_CMD_BSP)
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/* limits for valid range of VCC5V in mV */
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#define VCC5V_MIN 4500
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#define VCC5V_MAX 5500
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/*
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* Test strings for EEPROM test. Length of string 2 must not exceed length of
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* string 1. Otherwise a buffer overrun could occur!
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*/
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#define EEPROM_TEST_STRING_1 "0987654321 :tset a si siht"
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#define EEPROM_TEST_STRING_2 "this is a test: 1234567890"
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/*
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* min/max limits for valid contact temperature during burn in test (in
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* degree Centigrade * 100)
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*/
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#define MIN_CONTACT_TEMP -1000
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#define MAX_CONTACT_TEMP +9000
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/* blinking frequency of status LED */
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#define LED_BLINK_FREQ 5
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/* delay time between burn in cycles in seconds */
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#ifndef BURN_IN_CYCLE_DELAY /* if not defined in include/configs/trab.h */
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#define BURN_IN_CYCLE_DELAY 5
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#endif
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/* physical SRAM parameters */
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#define SRAM_ADDR 0x02000000 /* GCS1 */
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#define SRAM_SIZE 0x40000 /* 256 kByte */
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/* CPLD-Register for controlling TRAB hardware functions */
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#define CPLD_BUTTONS ((volatile unsigned long *)0x04020000)
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#define CPLD_FILL_LEVEL ((volatile unsigned long *)0x04008000)
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#define CPLD_ROTARY_SWITCH ((volatile unsigned long *)0x04018000)
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#define CPLD_RS485_RE ((volatile unsigned long *)0x04028000)
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/* I2C EEPROM device address */
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#define I2C_EEPROM_DEV_ADDR 0x54
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/* EEPROM address map */
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#define EE_ADDR_TEST 192
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#define EE_ADDR_MAX_CYCLES 256
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#define EE_ADDR_STATUS 258
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#define EE_ADDR_PASS_CYCLES 259
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#define EE_ADDR_FIRST_ERROR_CYCLE 261
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#define EE_ADDR_FIRST_ERROR_NUM 263
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#define EE_ADDR_FIRST_ERROR_NAME 264
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#define EE_ADDR_ACT_CYCLE 280
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/* Bit definitions for ADCCON */
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#define ADC_ENABLE_START 0x1
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#define ADC_READ_START 0x2
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#define ADC_STDBM 0x4
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#define ADC_INP_AIN0 (0x0 << 3)
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#define ADC_INP_AIN1 (0x1 << 3)
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#define ADC_INP_AIN2 (0x2 << 3)
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#define ADC_INP_AIN3 (0x3 << 3)
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#define ADC_INP_AIN4 (0x4 << 3)
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#define ADC_INP_AIN5 (0x5 << 3)
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#define ADC_INP_AIN6 (0x6 << 3)
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#define ADC_INP_AIN7 (0x7 << 3)
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#define ADC_PRSCEN 0x4000
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#define ADC_ECFLG 0x800
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/* misc */
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/* externals */
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extern int memory_post_tests (unsigned long start, unsigned long size);
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extern int i2c_write (uchar, uint, int , uchar* , int);
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extern int i2c_read (uchar, uint, int , uchar* , int);
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extern void tsc2000_reg_init (void);
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extern s32 tsc2000_contact_temp (void);
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extern void spi_init(void);
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/* function declarations */
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int do_dip (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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int do_vcc5v (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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int do_burn_in (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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int do_contact_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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int do_burn_in_status (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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int i2c_write_multiple (uchar chip, uint addr, int alen,
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uchar *buffer, int len);
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int i2c_read_multiple (uchar chip, uint addr, int alen,
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uchar *buffer, int len);
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int do_temp_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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/* helper functions */
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static void adc_init (void);
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static int adc_read (unsigned int channel);
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static int read_dip (void);
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static int read_vcc5v (void);
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static int test_dip (void);
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static int test_vcc5v (void);
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static int test_rotary_switch (void);
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static int test_sram (void);
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static int test_eeprom (void);
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static int test_contact_temp (void);
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static void led_set (unsigned int);
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static void led_blink (void);
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static void led_init (void);
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static void sdelay (unsigned long seconds); /* delay in seconds */
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static int dummy (void);
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static int read_max_cycles(void);
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static void test_function_table_init (void);
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static void global_vars_init (void);
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static int global_vars_write_to_eeprom (void);
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/* globals */
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u16 max_cycles;
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u8 status;
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u16 pass_cycles;
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u16 first_error_cycle;
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u8 first_error_num;
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unsigned char first_error_name[16];
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u16 act_cycle;
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typedef struct test_function_s {
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unsigned char *name;
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int (*pf)(void);
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} test_function_t;
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/* max number of Burn In Functions */
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#define BIF_MAX 6
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/* table with burn in functions */
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test_function_t test_function[BIF_MAX];
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int do_burn_in (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int i;
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int cycle_status;
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if (argc > 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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led_init ();
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global_vars_init ();
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test_function_table_init ();
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spi_init ();
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if (global_vars_write_to_eeprom () != 0) {
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printf ("%s: error writing global_vars to eeprom\n",
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__FUNCTION__);
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return (1);
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}
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if (read_max_cycles () != 0) {
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printf ("%s: error reading max_cycles from eeprom\n",
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__FUNCTION__);
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return (1);
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}
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if (max_cycles == 0) {
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printf ("%s: error, burn in max_cycles = 0\n", __FUNCTION__);
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return (1);
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}
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status = 0;
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for (act_cycle = 1; act_cycle <= max_cycles; act_cycle++) {
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cycle_status = 0;
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/*
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* avoid timestamp overflow problem after about 68 minutes of
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* udelay() time.
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*/
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reset_timer_masked ();
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for (i = 0; i < BIF_MAX; i++) {
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/* call test function */
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if ((*test_function[i].pf)() != 0) {
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printf ("error in %s test\n",
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test_function[i].name);
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/* is it the first error? */
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if (status == 0) {
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status = 1;
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first_error_cycle = act_cycle;
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/* do not use error_num 0 */
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first_error_num = i+1;
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strncpy (first_error_name,
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test_function[i].name,
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sizeof (first_error_name));
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led_set (0);
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}
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cycle_status = 1;
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}
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}
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/* were all tests of actual cycle OK? */
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if (cycle_status == 0)
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pass_cycles++;
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/* set status LED if no error is occoured since yet */
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if (status == 0)
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led_set (1);
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printf ("%s: cycle %d finished\n", __FUNCTION__, act_cycle);
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/* pause between cycles */
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sdelay (BURN_IN_CYCLE_DELAY);
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}
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if (global_vars_write_to_eeprom () != 0) {
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led_set (0);
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printf ("%s: error writing global_vars to eeprom\n",
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__FUNCTION__);
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status = 1;
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}
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if (status == 0) {
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led_blink (); /* endless loop!! */
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return (0);
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} else {
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led_set (0);
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return (1);
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}
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}
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U_BOOT_CMD(
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burn_in, 1, 1, do_burn_in,
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"burn_in - start burn-in test application on TRAB\n",
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"\n"
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" - start burn-in test application\n"
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" The burn-in test could took a while to finish!\n"
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" The content of the onboard EEPROM is modified!\n"
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);
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int do_dip (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int i, dip;
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if (argc > 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if ((dip = read_dip ()) == -1) {
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return 1;
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}
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for (i = 0; i < 4; i++) {
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if ((dip & (1 << i)) == 0)
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printf("0");
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else
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printf("1");
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}
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printf("\n");
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return 0;
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}
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U_BOOT_CMD(
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dip, 1, 1, do_dip,
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"dip - read dip switch on TRAB\n",
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"\n"
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" - read state of dip switch (S1) on TRAB board\n"
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" read sequence: 1-2-3-4; ON=1; OFF=0; e.g.: \"0100\"\n"
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);
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int do_vcc5v (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int vcc5v;
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if (argc > 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if ((vcc5v = read_vcc5v ()) == -1) {
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return (1);
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}
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printf ("%d", (vcc5v / 1000));
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printf (".%d", (vcc5v % 1000) / 100);
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printf ("%d V\n", (vcc5v % 100) / 10) ;
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return 0;
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}
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U_BOOT_CMD(
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vcc5v, 1, 1, do_vcc5v,
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"vcc5v - read VCC5V on TRAB\n",
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"\n"
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" - read actual value of voltage VCC5V\n"
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);
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int do_contact_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int contact_temp;
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if (argc > 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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spi_init ();
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contact_temp = tsc2000_contact_temp();
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printf ("%d degree C * 100\n", contact_temp) ;
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return 0;
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}
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U_BOOT_CMD(
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c_temp, 1, 1, do_contact_temp,
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"c_temp - read contact temperature on TRAB\n",
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"\n"
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" - reads the onboard temperature (=contact temperature)\n"
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);
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int do_burn_in_status (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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if (argc > 1) {
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printf ("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_STATUS, 1,
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(unsigned char*) &status, 1)) {
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return (1);
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}
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if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_PASS_CYCLES, 1,
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(unsigned char*) &pass_cycles, 2)) {
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return (1);
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}
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if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_CYCLE,
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1, (unsigned char*) &first_error_cycle, 2)) {
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return (1);
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}
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if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NUM,
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1, (unsigned char*) &first_error_num, 1)) {
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return (1);
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}
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if (i2c_read_multiple (I2C_EEPROM_DEV_ADDR, EE_ADDR_FIRST_ERROR_NAME,
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1, first_error_name,
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sizeof (first_error_name))) {
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return (1);
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}
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if (read_max_cycles () != 0) {
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return (1);
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}
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printf ("max_cycles = %d\n", max_cycles);
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printf ("status = %d\n", status);
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printf ("pass_cycles = %d\n", pass_cycles);
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printf ("first_error_cycle = %d\n", first_error_cycle);
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printf ("first_error_num = %d\n", first_error_num);
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printf ("first_error_name = %.*s\n",(int) sizeof(first_error_name),
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first_error_name);
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return 0;
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}
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U_BOOT_CMD(
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bis, 1, 1, do_burn_in_status,
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"bis - print burn in status on TRAB\n",
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"\n"
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" - prints the status variables of the last burn in test\n"
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" stored in the onboard EEPROM on TRAB board\n"
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);
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static int read_dip (void)
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{
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unsigned int result = 0;
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int adc_val;
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int i;
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/***********************************************************
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DIP switch connection (according to wa4-cpu.sp.301.pdf, page 3):
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SW1 - AIN4
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SW2 - AIN5
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SW3 - AIN6
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SW4 - AIN7
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"On" DIP switch position short-circuits the voltage from
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the input channel (i.e. '0' conversion result means "on").
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*************************************************************/
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for (i = 7; i > 3; i--) {
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if ((adc_val = adc_read (i)) == -1) {
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printf ("%s: Channel %d could not be read\n",
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__FUNCTION__, i);
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return (-1);
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}
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/*
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* Input voltage (switch open) is 1.8 V.
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* (Vin_High/VRef)*adc_res = (1,8V/2,5V)*1023) = 736
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* Set trigger at halve that value.
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*/
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if (adc_val < 368)
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result |= (1 << (i-4));
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}
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return (result);
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}
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static int read_vcc5v (void)
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{
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s32 result;
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/* VCC5V is connected to channel 2 */
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if ((result = adc_read (2)) == -1) {
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printf ("%s: VCC5V could not be read\n", __FUNCTION__);
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return (-1);
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}
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/*
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* Calculate voltage value. Split in two parts because there is no
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* floating point support. VCC5V is connected over an resistor divider:
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* VCC5V=ADCval*2,5V/1023*(10K+30K)/10K.
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*/
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result = result * 10 * 1000 / 1023; /* result in mV */
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return (result);
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}
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static int test_dip (void)
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{
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static int first_run = 1;
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static int first_dip;
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if (first_run) {
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if ((first_dip = read_dip ()) == -1) {
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return (1);
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}
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first_run = 0;
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debug ("%s: first_dip=%d\n", __FUNCTION__, first_dip);
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}
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if (first_dip != read_dip ()) {
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return (1);
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} else {
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return (0);
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}
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}
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static int test_vcc5v (void)
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{
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int vcc5v;
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if ((vcc5v = read_vcc5v ()) == -1) {
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return (1);
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}
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if ((vcc5v > VCC5V_MAX) || (vcc5v < VCC5V_MIN)) {
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printf ("%s: vcc5v[V/100]=%d\n", __FUNCTION__, vcc5v);
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return (1);
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} else {
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return (0);
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}
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}
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static int test_rotary_switch (void)
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{
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static int first_run = 1;
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static int first_rs;
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if (first_run) {
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/*
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* clear bits in CPLD, because they have random values after
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* power-up or reset.
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*/
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*CPLD_ROTARY_SWITCH |= (1 << 16) | (1 << 17);
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first_rs = ((*CPLD_ROTARY_SWITCH >> 16) & 0x7);
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first_run = 0;
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debug ("%s: first_rs=%d\n", __FUNCTION__, first_rs);
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}
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if (first_rs != ((*CPLD_ROTARY_SWITCH >> 16) & 0x7)) {
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return (1);
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} else {
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return (0);
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}
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}
|
|
|
|
|
|
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;
|
|
|
|
contact_temp = tsc2000_contact_temp ();
|
|
|
|
if ((contact_temp < MIN_CONTACT_TEMP)
|
|
|| (contact_temp > MAX_CONTACT_TEMP))
|
|
return (1);
|
|
else
|
|
return (0);
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
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 */
|
|
int result;
|
|
S3C2400_ADC *padc;
|
|
|
|
padc = S3C2400_GetBase_ADC();
|
|
channel &= 0x7;
|
|
|
|
adc_init ();
|
|
|
|
padc->ADCCON &= ~ADC_STDBM; /* select normal mode */
|
|
padc->ADCCON &= ~(0x7 << 3); /* clear the channel bits */
|
|
padc->ADCCON |= ((channel << 3) | ADC_ENABLE_START);
|
|
|
|
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;
|
|
}
|
|
|
|
result = padc->ADCDAT & 0x3FF;
|
|
|
|
padc->ADCCON |= ADC_STDBM; /* select standby mode */
|
|
|
|
debug ("%s: channel %d, result[DIGIT]=%d\n", __FUNCTION__,
|
|
(padc->ADCCON >> 3) & 0x7, result);
|
|
|
|
/*
|
|
* Wait for ADC to be ready for next conversion. This delay value was
|
|
* estimated, because the datasheet does not specify a value.
|
|
*/
|
|
udelay (1000);
|
|
|
|
return (result);
|
|
}
|
|
|
|
|
|
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 */
|
|
|
|
/*
|
|
* Wait some time to avoid problem with very first call of
|
|
* adc_read(). Without this delay, sometimes the first read
|
|
* adc value is 0. Perhaps because the adjustment of prescaler
|
|
* takes some clock cycles?
|
|
*/
|
|
udelay (1000);
|
|
|
|
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:
|
|
break;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
int do_temp_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
int contact_temp;
|
|
int delay = 0;
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DATE)
|
|
struct rtc_time tm;
|
|
#endif
|
|
|
|
if (argc > 2) {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
if (argc > 1) {
|
|
delay = simple_strtoul(argv[1], NULL, 10);
|
|
}
|
|
|
|
spi_init ();
|
|
while (1) {
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DATE)
|
|
rtc_get (&tm);
|
|
printf ("%4d-%02d-%02d %2d:%02d:%02d - ",
|
|
tm.tm_year, tm.tm_mon, tm.tm_mday,
|
|
tm.tm_hour, tm.tm_min, tm.tm_sec);
|
|
#endif
|
|
|
|
contact_temp = tsc2000_contact_temp();
|
|
printf ("%d\n", contact_temp) ;
|
|
|
|
if (delay != 0)
|
|
/*
|
|
* reset timer to avoid timestamp overflow problem
|
|
* after about 68 minutes of udelay() time.
|
|
*/
|
|
reset_timer_masked ();
|
|
sdelay (delay);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
tlog, 2, 1, do_temp_log,
|
|
"tlog - log contact temperature [1/100 C] to console (endlessly)\n",
|
|
"delay\n"
|
|
" - contact temperature [1/100 C] is printed endlessly to console\n"
|
|
" <delay> specifies the seconds to wait between two measurements\n"
|
|
" For each measurment a timestamp is printeted\n"
|
|
);
|
|
|
|
#endif /* CFG_CMD_BSP */
|