Changes for U-Boot 1.0.0:
======================================================================
+* Patch by Martin Krause, 11 Sep 2003:
+ add burn-in tests for TRAB board
+
+* Enable instruction cache on MPC5200 board
+
* Patch by Denis Peter, 11 Sep 2003:
- fix USB data pointer assignment for bulk only transfer.
- prevent to display erased directories in FAT filesystem.
LIBS += post/libpost.a post/cpu/libcpu.a
LIBS += common/libcommon.a
LIBS += lib_generic/libgeneric.a
+# Add GCC lib
+PLATFORM_LIBS += -L $(shell dirname `$(CC) -print-libgcc-file-name`) -lgcc
#########################################################################
#########################################################################
LIB = lib$(BOARD).a
-OBJS := trab.o flash.o vfd.o
+OBJS := trab.o flash.o vfd.o cmd_trab.o memory.o tsc2000.o
SOBJS := memsetup.o
$(LIB): $(OBJS) $(SOBJS)
--- /dev/null
+/*
+ * Data file for tsc2000 driver.
+ * Copyright (C) 2002, 2003 DENX Software Engineering, Wolfgang Denk, wd@denx.de
+ */
+
+#ifndef _PT1000_TEMP_DATA_H
+#define _PT1000_TEMP_DATA_H
+
+long Pt1000_temp_table[][2] = {
+ /* For quick range checking the largest element
+ * is placed at index 0.
+ * U, nV T, C*100
+ */
+ { 44000000 , 12165 },
+ { -10000000 , -2644 },
+ { -9000000 , -2381 },
+ { -8000000 , -2118 },
+ { -7000000 , -1855 },
+ { -6000000 , -1591 },
+ { -5000000 , -1327 },
+ { -4000000 , -1063 },
+ { -3000000 , -798 },
+ { -2000000 , -532 },
+ { -1000000 , -266 },
+ { 0 , 000 },
+ { 1000000 , 267 },
+ { 2000000 , 534 },
+ { 3000000 , 802 },
+ { 4000000 , 1070 },
+ { 5000000 , 1338 },
+ { 6000000 , 1607 },
+ { 7000000 , 1876 },
+ { 8000000 , 2146 },
+ { 9000000 , 2416 },
+ { 10000000 , 2687 },
+ { 11000000 , 2958 },
+ { 12000000 , 3230 },
+ { 13000000 , 3502 },
+ { 14000000 , 3774 },
+ { 15000000 , 4047 },
+ { 16000000 , 4321 },
+ { 17000000 , 4595 },
+ { 18000000 , 4869 },
+ { 19000000 , 5144 },
+ { 20000000 , 5419 },
+ { 21000000 , 5694 },
+ { 22000000 , 5971 },
+ { 23000000 , 6247 },
+ { 24000000 , 6524 },
+ { 25000000 , 6802 },
+ { 26000000 , 7080 },
+ { 27000000 , 7358 },
+ { 28000000 , 7637 },
+ { 29000000 , 7916 },
+ { 30000000 , 8196 },
+ { 31000000 , 8476 },
+ { 32000000 , 8757 },
+ { 33000000 , 9039 },
+ { 34000000 , 9320 },
+ { 35000000 , 9602 },
+ { 36000000 , 9885 },
+ { 37000000 , 10168 },
+ { 38000000 , 10452 },
+ { 39000000 , 10736 },
+ { 40000000 , 11021 },
+ { 41000000 , 11306 },
+ { 42000000 , 11592 },
+ { 43000000 , 11879 },
+ { 44000000 , 12165 },
+};
+#endif /* _PT1000_TEMP_DATA_H */
--- /dev/null
+/*
+ * (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 */
--- /dev/null
+/*
+ * (C) Copyright 2002-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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>
+
+/* Memory test
+ *
+ * General observations:
+ * o The recommended test sequence is to test the data lines: if they are
+ * broken, nothing else will work properly. Then test the address
+ * lines. Finally, test the cells in the memory now that the test
+ * program knows that the address and data lines work properly.
+ * This sequence also helps isolate and identify what is faulty.
+ *
+ * o For the address line test, it is a good idea to use the base
+ * address of the lowest memory location, which causes a '1' bit to
+ * walk through a field of zeros on the address lines and the highest
+ * memory location, which causes a '0' bit to walk through a field of
+ * '1's on the address line.
+ *
+ * o Floating buses can fool memory tests if the test routine writes
+ * a value and then reads it back immediately. The problem is, the
+ * write will charge the residual capacitance on the data bus so the
+ * bus retains its state briefely. When the test program reads the
+ * value back immediately, the capacitance of the bus can allow it
+ * to read back what was written, even though the memory circuitry
+ * is broken. To avoid this, the test program should write a test
+ * pattern to the target location, write a different pattern elsewhere
+ * to charge the residual capacitance in a differnt manner, then read
+ * the target location back.
+ *
+ * o Always read the target location EXACTLY ONCE and save it in a local
+ * variable. The problem with reading the target location more than
+ * once is that the second and subsequent reads may work properly,
+ * resulting in a failed test that tells the poor technician that
+ * "Memory error at 00000000, wrote aaaaaaaa, read aaaaaaaa" which
+ * doesn't help him one bit and causes puzzled phone calls. Been there,
+ * done that.
+ *
+ * Data line test:
+ * ---------------
+ * This tests data lines for shorts and opens by forcing adjacent data
+ * to opposite states. Because the data lines could be routed in an
+ * arbitrary manner the must ensure test patterns ensure that every case
+ * is tested. By using the following series of binary patterns every
+ * combination of adjacent bits is test regardless of routing.
+ *
+ * ...101010101010101010101010
+ * ...110011001100110011001100
+ * ...111100001111000011110000
+ * ...111111110000000011111111
+ *
+ * Carrying this out, gives us six hex patterns as follows:
+ *
+ * 0xaaaaaaaaaaaaaaaa
+ * 0xcccccccccccccccc
+ * 0xf0f0f0f0f0f0f0f0
+ * 0xff00ff00ff00ff00
+ * 0xffff0000ffff0000
+ * 0xffffffff00000000
+ *
+ * To test for short and opens to other signals on our boards, we
+ * simply test with the 1's complemnt of the paterns as well, resulting
+ * in twelve patterns total.
+ *
+ * After writing a test pattern. a special pattern 0x0123456789ABCDEF is
+ * written to a different address in case the data lines are floating.
+ * Thus, if a byte lane fails, you will see part of the special
+ * pattern in that byte lane when the test runs. For example, if the
+ * xx__xxxxxxxxxxxx byte line fails, you will see aa23aaaaaaaaaaaa
+ * (for the 'a' test pattern).
+ *
+ * Address line test:
+ * ------------------
+ * This function performs a test to verify that all the address lines
+ * hooked up to the RAM work properly. If there is an address line
+ * fault, it usually shows up as two different locations in the address
+ * map (related by the faulty address line) mapping to one physical
+ * memory storage location. The artifact that shows up is writing to
+ * the first location "changes" the second location.
+ *
+ * To test all address lines, we start with the given base address and
+ * xor the address with a '1' bit to flip one address line. For each
+ * test, we shift the '1' bit left to test the next address line.
+ *
+ * In the actual code, we start with address sizeof(ulong) since our
+ * test pattern we use is a ulong and thus, if we tried to test lower
+ * order address bits, it wouldn't work because our pattern would
+ * overwrite itself.
+ *
+ * Example for a 4 bit address space with the base at 0000:
+ * 0000 <- base
+ * 0001 <- test 1
+ * 0010 <- test 2
+ * 0100 <- test 3
+ * 1000 <- test 4
+ * Example for a 4 bit address space with the base at 0010:
+ * 0010 <- base
+ * 0011 <- test 1
+ * 0000 <- (below the base address, skipped)
+ * 0110 <- test 2
+ * 1010 <- test 3
+ *
+ * The test locations are successively tested to make sure that they are
+ * not "mirrored" onto the base address due to a faulty address line.
+ * Note that the base and each test location are related by one address
+ * line flipped. Note that the base address need not be all zeros.
+ *
+ * Memory tests 1-4:
+ * -----------------
+ * These tests verify RAM using sequential writes and reads
+ * to/from RAM. There are several test cases that use different patterns to
+ * verify RAM. Each test case fills a region of RAM with one pattern and
+ * then reads the region back and compares its contents with the pattern.
+ * The following patterns are used:
+ *
+ * 1a) zero pattern (0x00000000)
+ * 1b) negative pattern (0xffffffff)
+ * 1c) checkerboard pattern (0x55555555)
+ * 1d) checkerboard pattern (0xaaaaaaaa)
+ * 2) bit-flip pattern ((1 << (offset % 32))
+ * 3) address pattern (offset)
+ * 4) address pattern (~offset)
+ *
+ * Being run in normal mode, the test verifies only small 4Kb
+ * regions of RAM around each 1Mb boundary. For example, for 64Mb
+ * RAM the following areas are verified: 0x00000000-0x00000800,
+ * 0x000ff800-0x00100800, 0x001ff800-0x00200800, ..., 0x03fff800-
+ * 0x04000000. If the test is run in slow-test mode, it verifies
+ * the whole RAM.
+ */
+
+/* #ifdef CONFIG_POST */
+
+#include <post.h>
+#include <watchdog.h>
+
+/* #if CONFIG_POST & CFG_POST_MEMORY */
+
+/*
+ * Define INJECT_*_ERRORS for testing error detection in the presence of
+ * _good_ hardware.
+ */
+#undef INJECT_DATA_ERRORS
+#undef INJECT_ADDRESS_ERRORS
+
+#ifdef INJECT_DATA_ERRORS
+#warning "Injecting data line errors for testing purposes"
+#endif
+
+#ifdef INJECT_ADDRESS_ERRORS
+#warning "Injecting address line errors for testing purposes"
+#endif
+
+
+/*
+ * This function performs a double word move from the data at
+ * the source pointer to the location at the destination pointer.
+ * This is helpful for testing memory on processors which have a 64 bit
+ * wide data bus.
+ *
+ * On those PowerPC with FPU, use assembly and a floating point move:
+ * this does a 64 bit move.
+ *
+ * For other processors, let the compiler generate the best code it can.
+ */
+static void move64(unsigned long long *src, unsigned long long *dest)
+{
+#if defined(CONFIG_MPC8260) || defined(CONFIG_MPC824X)
+ asm ("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
+ "stfd 0, 0(4)" /* *dest = fpr0 */
+ : : : "fr0" ); /* Clobbers fr0 */
+ return;
+#else
+ *dest = *src;
+#endif
+}
+
+/*
+ * This is 64 bit wide test patterns. Note that they reside in ROM
+ * (which presumably works) and the tests write them to RAM which may
+ * not work.
+ *
+ * The "otherpattern" is written to drive the data bus to values other
+ * than the test pattern. This is for detecting floating bus lines.
+ *
+ */
+const static unsigned long long pattern[] = {
+ 0xaaaaaaaaaaaaaaaa,
+ 0xcccccccccccccccc,
+ 0xf0f0f0f0f0f0f0f0,
+ 0xff00ff00ff00ff00,
+ 0xffff0000ffff0000,
+ 0xffffffff00000000,
+ 0x00000000ffffffff,
+ 0x0000ffff0000ffff,
+ 0x00ff00ff00ff00ff,
+ 0x0f0f0f0f0f0f0f0f,
+ 0x3333333333333333,
+ 0x5555555555555555};
+const unsigned long long otherpattern = 0x0123456789abcdef;
+
+
+static int memory_post_dataline(unsigned long long * pmem)
+{
+ unsigned long long temp64;
+ int num_patterns = sizeof(pattern)/ sizeof(pattern[0]);
+ int i;
+ unsigned int hi, lo, pathi, patlo;
+ int ret = 0;
+
+ for ( i = 0; i < num_patterns; i++) {
+ move64((unsigned long long *)&(pattern[i]), pmem++);
+ /*
+ * Put a different pattern on the data lines: otherwise they
+ * may float long enough to read back what we wrote.
+ */
+ move64((unsigned long long *)&otherpattern, pmem--);
+ move64(pmem, &temp64);
+
+#ifdef INJECT_DATA_ERRORS
+ temp64 ^= 0x00008000;
+#endif
+
+ if (temp64 != pattern[i]){
+ pathi = (pattern[i]>>32) & 0xffffffff;
+ patlo = pattern[i] & 0xffffffff;
+
+ hi = (temp64>>32) & 0xffffffff;
+ lo = temp64 & 0xffffffff;
+
+ printf ("Memory (date line) error at %08lx, "
+ "wrote %08x%08x, read %08x%08x !\n",
+ (ulong)pmem, pathi, patlo, hi, lo);
+ ret = -1;
+ }
+ }
+ return ret;
+}
+
+static int memory_post_addrline(ulong *testaddr, ulong *base, ulong size)
+{
+ ulong *target;
+ ulong *end;
+ ulong readback;
+ ulong xor;
+ int ret = 0;
+
+ end = (ulong *)((ulong)base + size); /* pointer arith! */
+ xor = 0;
+ for(xor = sizeof(ulong); xor > 0; xor <<= 1) {
+ target = (ulong *)((ulong)testaddr ^ xor);
+ if((target >= base) && (target < end)) {
+ *testaddr = ~*target;
+ readback = *target;
+
+#ifdef INJECT_ADDRESS_ERRORS
+ if(xor == 0x00008000) {
+ readback = *testaddr;
+ }
+#endif
+ if(readback == *testaddr) {
+ printf ("Memory (address line) error at %08lx<->%08lx, "
+ "XOR value %08lx !\n",
+ (ulong)testaddr, (ulong)target,
+ xor);
+ ret = -1;
+ }
+ }
+ }
+ return ret;
+}
+
+static int memory_post_test1 (unsigned long start,
+ unsigned long size,
+ unsigned long val)
+{
+ unsigned long i;
+ ulong *mem = (ulong *) start;
+ ulong readback;
+ int ret = 0;
+
+ for (i = 0; i < size / sizeof (ulong); i++) {
+ mem[i] = val;
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ for (i = 0; i < size / sizeof (ulong) && ret == 0; i++) {
+ readback = mem[i];
+ if (readback != val) {
+ printf ("Memory error at %08lx, "
+ "wrote %08lx, read %08lx !\n",
+ (ulong)(mem + i), val, readback);
+
+ ret = -1;
+ break;
+ }
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ return ret;
+}
+
+static int memory_post_test2 (unsigned long start, unsigned long size)
+{
+ unsigned long i;
+ ulong *mem = (ulong *) start;
+ ulong readback;
+ int ret = 0;
+
+ for (i = 0; i < size / sizeof (ulong); i++) {
+ mem[i] = 1 << (i % 32);
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ for (i = 0; i < size / sizeof (ulong) && ret == 0; i++) {
+ readback = mem[i];
+ if (readback != (1 << (i % 32))) {
+ printf ("Memory error at %08lx, "
+ "wrote %08x, read %08lx !\n",
+ (ulong)(mem + i), 1 << (i % 32), readback);
+
+ ret = -1;
+ break;
+ }
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ return ret;
+}
+
+static int memory_post_test3 (unsigned long start, unsigned long size)
+{
+ unsigned long i;
+ ulong *mem = (ulong *) start;
+ ulong readback;
+ int ret = 0;
+
+ for (i = 0; i < size / sizeof (ulong); i++) {
+ mem[i] = i;
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ for (i = 0; i < size / sizeof (ulong) && ret == 0; i++) {
+ readback = mem[i];
+ if (readback != i) {
+ printf ("Memory error at %08lx, "
+ "wrote %08lx, read %08lx !\n",
+ (ulong)(mem + i), i, readback);
+
+ ret = -1;
+ break;
+ }
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ return ret;
+}
+
+static int memory_post_test4 (unsigned long start, unsigned long size)
+{
+ unsigned long i;
+ ulong *mem = (ulong *) start;
+ ulong readback;
+ int ret = 0;
+
+ for (i = 0; i < size / sizeof (ulong); i++) {
+ mem[i] = ~i;
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ for (i = 0; i < size / sizeof (ulong) && ret == 0; i++) {
+ readback = mem[i];
+ if (readback != ~i) {
+ printf ("Memory error at %08lx, "
+ "wrote %08lx, read %08lx !\n",
+ (ulong)(mem + i), ~i, readback);
+
+ ret = -1;
+ break;
+ }
+ if (i % 1024 == 0)
+ WATCHDOG_RESET ();
+ }
+
+ return ret;
+}
+
+int memory_post_tests (unsigned long start, unsigned long size)
+{
+ int ret = 0;
+
+ if (ret == 0)
+ ret = memory_post_dataline ((long long *)start);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_addrline ((long *)start, (long *)start, size);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_addrline ((long *)(start + size - 8),
+ (long *)start, size);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test1 (start, size, 0x00000000);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test1 (start, size, 0xffffffff);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test1 (start, size, 0x55555555);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test1 (start, size, 0xaaaaaaaa);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test2 (start, size);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test3 (start, size);
+ WATCHDOG_RESET ();
+ if (ret == 0)
+ ret = memory_post_test4 (start, size);
+ WATCHDOG_RESET ();
+
+ return ret;
+}
+
+#if 0
+int memory_post_test (int flags)
+{
+ int ret = 0;
+ DECLARE_GLOBAL_DATA_PTR;
+ bd_t *bd = gd->bd;
+ unsigned long memsize = (bd->bi_memsize >= 256 << 20 ?
+ 256 << 20 : bd->bi_memsize) - (1 << 20);
+
+
+ if (flags & POST_SLOWTEST) {
+ ret = memory_post_tests (CFG_SDRAM_BASE, memsize);
+ } else { /* POST_NORMAL */
+
+ unsigned long i;
+
+ for (i = 0; i < (memsize >> 20) && ret == 0; i++) {
+ if (ret == 0)
+ ret = memory_post_tests (i << 20, 0x800);
+ if (ret == 0)
+ ret = memory_post_tests ((i << 20) + 0xff800, 0x800);
+ }
+ }
+
+ return ret;
+}
+#endif 0
+
+/* #endif */ /* CONFIG_POST & CFG_POST_MEMORY */
+/* #endif */ /* CONFIG_POST */
--- /dev/null
+/*
+ * Functions to access the TSC2000 controller on TRAB board (used for scanning
+ * thermo sensors)
+ *
+ * Copyright (C) 2003 Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
+ *
+ * Copyright (C) 2002 DENX Software Engineering, Wolfgang Denk, wd@denx.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 <s3c2400.h>
+#include "tsc2000.h"
+
+void spi_init(void)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+ S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+ int i;
+
+ /* Configure I/O ports. */
+ gpio->PDCON = (gpio->PDCON & 0xF3FFFF) | 0x040000;
+ gpio->PGCON = (gpio->PGCON & 0x0F3FFF) | 0x008000;
+ gpio->PGCON = (gpio->PGCON & 0x0CFFFF) | 0x020000;
+ gpio->PGCON = (gpio->PGCON & 0x03FFFF) | 0x080000;
+
+ CLR_CS_TOUCH();
+
+ spi->ch[0].SPPRE = 0x1F; /* Baud-rate ca. 514kHz */
+ spi->ch[0].SPPIN = 0x01; /* SPI-MOSI holds Level after last bit */
+ spi->ch[0].SPCON = 0x1A; /* Polling, Prescaler, Master, CPOL=0,
+ CPHA=1 */
+
+ /* Dummy byte ensures clock to be low. */
+ for (i = 0; i < 10; i++) {
+ spi->ch[0].SPTDAT = 0xFF;
+ }
+ spi_wait_transmit_done();
+}
+
+
+static void spi_wait_transmit_done(void)
+{
+ S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+
+ while (!(spi->ch[0].SPSTA & 0x01)); /* wait until transfer is done */
+}
+
+
+static void tsc2000_write(unsigned short reg, unsigned short data)
+{
+ S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+ unsigned int command;
+
+ SET_CS_TOUCH();
+ command = reg;
+ spi->ch[0].SPTDAT = (command & 0xFF00) >> 8;
+ spi_wait_transmit_done();
+ spi->ch[0].SPTDAT = (command & 0x00FF);
+ spi_wait_transmit_done();
+ spi->ch[0].SPTDAT = (data & 0xFF00) >> 8;
+ spi_wait_transmit_done();
+ spi->ch[0].SPTDAT = (data & 0x00FF);
+ spi_wait_transmit_done();
+
+ CLR_CS_TOUCH();
+}
+
+
+static unsigned short tsc2000_read (unsigned short reg)
+{
+ unsigned short command, data;
+ S3C24X0_SPI * const spi = S3C24X0_GetBase_SPI();
+
+ SET_CS_TOUCH();
+ command = 0x8000 | reg;
+
+ spi->ch[0].SPTDAT = (command & 0xFF00) >> 8;
+ spi_wait_transmit_done();
+ spi->ch[0].SPTDAT = (command & 0x00FF);
+ spi_wait_transmit_done();
+
+ spi->ch[0].SPTDAT = 0xFF;
+ spi_wait_transmit_done();
+ data = spi->ch[0].SPRDAT;
+ spi->ch[0].SPTDAT = 0xFF;
+ spi_wait_transmit_done();
+
+ CLR_CS_TOUCH();
+ return (spi->ch[0].SPRDAT & 0x0FF) | (data << 8);
+}
+
+
+static void tsc2000_set_mux (unsigned int channel)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ CLR_MUX1_ENABLE; CLR_MUX2_ENABLE;
+ CLR_MUX3_ENABLE; CLR_MUX4_ENABLE;
+ switch (channel) {
+ case 0:
+ CLR_MUX0; CLR_MUX1;
+ SET_MUX1_ENABLE;
+ break;
+ case 1:
+ SET_MUX0; CLR_MUX1;
+ SET_MUX1_ENABLE;
+ break;
+ case 2:
+ CLR_MUX0; SET_MUX1;
+ SET_MUX1_ENABLE;
+ break;
+ case 3:
+ SET_MUX0; SET_MUX1;
+ SET_MUX1_ENABLE;
+ break;
+ case 4:
+ CLR_MUX0; CLR_MUX1;
+ SET_MUX2_ENABLE;
+ break;
+ case 5:
+ SET_MUX0; CLR_MUX1;
+ SET_MUX2_ENABLE;
+ break;
+ case 6:
+ CLR_MUX0; SET_MUX1;
+ SET_MUX2_ENABLE;
+ break;
+ case 7:
+ SET_MUX0; SET_MUX1;
+ SET_MUX2_ENABLE;
+ break;
+ case 8:
+ CLR_MUX0; CLR_MUX1;
+ SET_MUX3_ENABLE;
+ break;
+ case 9:
+ SET_MUX0; CLR_MUX1;
+ SET_MUX3_ENABLE;
+ break;
+ case 10:
+ CLR_MUX0; SET_MUX1;
+ SET_MUX3_ENABLE;
+ break;
+ case 11:
+ SET_MUX0; SET_MUX1;
+ SET_MUX3_ENABLE;
+ break;
+ case 12:
+ CLR_MUX0; CLR_MUX1;
+ SET_MUX4_ENABLE;
+ break;
+ case 13:
+ SET_MUX0; CLR_MUX1;
+ SET_MUX4_ENABLE;
+ break;
+ case 14:
+ CLR_MUX0; SET_MUX1;
+ SET_MUX4_ENABLE;
+ break;
+ case 15:
+ SET_MUX0; SET_MUX1;
+ SET_MUX4_ENABLE;
+ break;
+ default:
+ CLR_MUX0; CLR_MUX1;
+ }
+}
+
+
+static void tsc2000_set_range (unsigned int range)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ switch (range) {
+ case 1:
+ CLR_SEL_TEMP_V_0; SET_SEL_TEMP_V_1;
+ CLR_SEL_TEMP_V_2; CLR_SEL_TEMP_V_3;
+ break;
+ case 2:
+ CLR_SEL_TEMP_V_0; CLR_SEL_TEMP_V_1;
+ CLR_SEL_TEMP_V_2; SET_SEL_TEMP_V_3;
+ break;
+ case 3:
+ SET_SEL_TEMP_V_0; CLR_SEL_TEMP_V_1;
+ SET_SEL_TEMP_V_2; CLR_SEL_TEMP_V_3;
+ break;
+ }
+}
+
+
+static u16 tsc2000_read_channel (unsigned int channel)
+{
+ u16 res;
+
+ tsc2000_set_mux(channel);
+ udelay(3 * TSC2000_DELAY_BASE);
+
+ tsc2000_write(TSC2000_REG_ADC, 0x2036);
+ adc_wait_conversion_done ();
+ res = tsc2000_read(TSC2000_REG_AUX1);
+ return res;
+}
+
+
+s32 tsc2000_contact_temp (void)
+{
+ long adc_pt1000, offset;
+ long u_pt1000;
+ long contact_temp;
+
+
+ tsc2000_reg_init ();
+ tsc2000_set_range (3);
+
+ adc_pt1000 = tsc2000_read_channel (14);
+ debug ("read channel 14 (pt1000 adc value): %ld\n", adc_pt1000);
+
+ offset = tsc2000_read_channel (15);
+ debug ("read channel 15 (offset): %ld\n", offset);
+
+ /*
+ * Formula for calculating voltage drop on PT1000 resistor: u_pt1000 =
+ * x_range3 * (adc_raw - offset) / 10. Formula to calculate x_range3:
+ * x_range3 = (2500 * (1000000 + err_vref + err_amp3)) / (4095*6). The
+ * error correction Values err_vref and err_amp3 are assumed as 0 in
+ * u-boot, because this could cause only a very small error (< 1%).
+ */
+ u_pt1000 = (101750 * (adc_pt1000 - offset)) / 10;
+ debug ("u_pt1000: %ld\n", u_pt1000);
+
+ if (tsc2000_interpolate(u_pt1000, Pt1000_temp_table,
+ &contact_temp) == -1) {
+ printf ("%s: error interpolating PT1000 vlaue\n",
+ __FUNCTION__);
+ return (-1000);
+ }
+ debug ("contact_temp: %ld\n", contact_temp);
+
+ return contact_temp;
+}
+
+
+void tsc2000_reg_init (void)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ tsc2000_write(TSC2000_REG_ADC, 0x2036);
+ tsc2000_write(TSC2000_REG_REF, 0x0011);
+ tsc2000_write(TSC2000_REG_DACCTL, 0x0000);
+
+ CON_MUX0;
+ CON_MUX1;
+
+ CON_MUX1_ENABLE;
+ CON_MUX2_ENABLE;
+ CON_MUX3_ENABLE;
+ CON_MUX4_ENABLE;
+
+ CON_SEL_TEMP_V_0;
+ CON_SEL_TEMP_V_1;
+ CON_SEL_TEMP_V_2;
+ CON_SEL_TEMP_V_3;
+
+ tsc2000_set_mux(0);
+ tsc2000_set_range(0);
+}
+
+
+static int tsc2000_interpolate(long value, long data[][2], long *result)
+{
+ int i;
+
+ /* the data is sorted and the first element is upper
+ * limit so we can easily check for out-of-band values
+ */
+ if (data[0][0] < value || data[1][0] > value)
+ return -1;
+
+ i = 1;
+ while (data[i][0] < value)
+ i++;
+
+ /* To prevent overflow we have to store the intermediate
+ result in 'long long'.
+ */
+
+ *result = data[i-1][1] +
+ ((unsigned long long)(data[i][1] - data[i-1][1])
+ * (unsigned long long)(value - data[i-1][0]))
+ / (data[i][0] - data[i-1][0]);
+
+ return 0;
+}
+
+
+static void adc_wait_conversion_done(void)
+{
+ while (!(tsc2000_read(TSC2000_REG_ADC) & (1 << 14)));
+}
--- /dev/null
+/*
+ * Functions to access the TSC2000 controller on TRAB board (used for scanning
+ * thermo sensors)
+ *
+ * Copyright (C) 2003 Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
+ *
+ * Copyright (C) 2002 DENX Software Engineering, Wolfgang Denk, wd@denx.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
+ */
+
+#ifndef _TSC2000_H_
+#define _TSC2000_H_
+
+#include "Pt1000_temp_data.h"
+
+/* temperature channel multiplexer definitions */
+#define CON_MUX0 (gpio->PCCON = (gpio->PCCON & 0x0FFFFFCFF) | 0x00000100)
+#define CLR_MUX0 (gpio->PCDAT &= 0x0FFEF)
+#define SET_MUX0 (gpio->PCDAT |= 0x00010)
+
+#define CON_MUX1 (gpio->PCCON = (gpio->PCCON & 0x0FFFFF3FF) | 0x00000400)
+#define CLR_MUX1 (gpio->PCDAT &= 0x0FFDF)
+#define SET_MUX1 (gpio->PCDAT |= 0x00020)
+
+#define CON_MUX1_ENABLE (gpio->PCCON = (gpio->PCCON & 0x0FFFFCFFF) | 0x00001000)
+#define CLR_MUX1_ENABLE (gpio->PCDAT |= 0x00040)
+#define SET_MUX1_ENABLE (gpio->PCDAT &= 0x0FFBF)
+
+#define CON_MUX2_ENABLE (gpio->PCCON = (gpio->PCCON & 0x0FFFF3FFF) | 0x00004000)
+#define CLR_MUX2_ENABLE (gpio->PCDAT |= 0x00080)
+#define SET_MUX2_ENABLE (gpio->PCDAT &= 0x0FF7F)
+
+#define CON_MUX3_ENABLE (gpio->PCCON = (gpio->PCCON & 0x0FFFCFFFF) | 0x00010000)
+#define CLR_MUX3_ENABLE (gpio->PCDAT |= 0x00100)
+#define SET_MUX3_ENABLE (gpio->PCDAT &= 0x0FEFF)
+
+#define CON_MUX4_ENABLE (gpio->PCCON = (gpio->PCCON & 0x0FFF3FFFF) | 0x00040000)
+#define CLR_MUX4_ENABLE (gpio->PCDAT |= 0x00200)
+#define SET_MUX4_ENABLE (gpio->PCDAT &= 0x0FDFF)
+
+#define CON_SEL_TEMP_V_0 (gpio->PCCON = (gpio->PCCON & 0x0FFCFFFFF) | 0x00100000)
+#define CLR_SEL_TEMP_V_0 (gpio->PCDAT &= 0x0FBFF)
+#define SET_SEL_TEMP_V_0 (gpio->PCDAT |= 0x00400)
+
+#define CON_SEL_TEMP_V_1 (gpio->PCCON = (gpio->PCCON & 0x0FF3FFFFF) | 0x00400000)
+#define CLR_SEL_TEMP_V_1 (gpio->PCDAT &= 0x0F7FF)
+#define SET_SEL_TEMP_V_1 (gpio->PCDAT |= 0x00800)
+
+#define CON_SEL_TEMP_V_2 (gpio->PCCON = (gpio->PCCON & 0x0FCFFFFFF) | 0x01000000)
+#define CLR_SEL_TEMP_V_2 (gpio->PCDAT &= 0x0EFFF)
+#define SET_SEL_TEMP_V_2 (gpio->PCDAT |= 0x01000)
+
+#define CON_SEL_TEMP_V_3 (gpio->PCCON = (gpio->PCCON & 0x0F3FFFFFF) | 0x04000000)
+#define CLR_SEL_TEMP_V_3 (gpio->PCDAT &= 0x0DFFF)
+#define SET_SEL_TEMP_V_3 (gpio->PCDAT |= 0x02000)
+
+/* TSC2000 register definition */
+#define TSC2000_REG_X ((0 << 11) | (0 << 5))
+#define TSC2000_REG_Y ((0 << 11) | (1 << 5))
+#define TSC2000_REG_Z1 ((0 << 11) | (2 << 5))
+#define TSC2000_REG_Z2 ((0 << 11) | (3 << 5))
+#define TSC2000_REG_BAT1 ((0 << 11) | (5 << 5))
+#define TSC2000_REG_BAT2 ((0 << 11) | (6 << 5))
+#define TSC2000_REG_AUX1 ((0 << 11) | (7 << 5))
+#define TSC2000_REG_AUX2 ((0 << 11) | (8 << 5))
+#define TSC2000_REG_TEMP1 ((0 << 11) | (9 << 5))
+#define TSC2000_REG_TEMP2 ((0 << 11) | (0xA << 5))
+#define TSC2000_REG_DAC ((0 << 11) | (0xB << 5))
+#define TSC2000_REG_ZERO ((0 << 11) | (0x10 << 5))
+#define TSC2000_REG_ADC ((1 << 11) | (0 << 5))
+#define TSC2000_REG_DACCTL ((1 << 11) | (2 << 5))
+#define TSC2000_REG_REF ((1 << 11) | (3 << 5))
+#define TSC2000_REG_RESET ((1 << 11) | (4 << 5))
+#define TSC2000_REG_CONFIG ((1 << 11) | (5 << 5))
+
+/* bit definition of TSC2000 ADC register */
+#define TC_PSM (1 << 15)
+#define TC_STS (1 << 14)
+#define TC_AD3 (1 << 13)
+#define TC_AD2 (1 << 12)
+#define TC_AD1 (1 << 11)
+#define TC_AD0 (1 << 10)
+#define TC_RS1 (1 << 9)
+#define TC_RS0 (1 << 8)
+#define TC_AV1 (1 << 7)
+#define TC_AV0 (1 << 6)
+#define TC_CL1 (1 << 5)
+#define TC_CL0 (1 << 4)
+#define TC_PV2 (1 << 3)
+#define TC_PV1 (1 << 2)
+#define TC_PV0 (1 << 1)
+
+/* default value for TSC2000 ADC register for use with touch functions */
+#define DEFAULT_ADC (TC_PV1 | TC_AV0 | TC_AV1 | TC_RS0)
+
+#define TSC2000_DELAY_BASE 500
+#define TSC2000_NO_SENSOR -0x10000
+
+#define ERROR_BATTERY 220 /* must be adjusted, if R68 is changed on
+ * TRAB */
+
+static void tsc2000_write(unsigned short, unsigned short);
+static unsigned short tsc2000_read (unsigned short);
+static u16 tsc2000_read_channel (unsigned int);
+static void tsc2000_set_mux (unsigned int);
+static void tsc2000_set_range (unsigned int);
+void tsc2000_reg_init (void);
+s32 tsc2000_contact_temp (void);
+static void spi_wait_transmit_done (void);
+void spi_init(void);
+static int tsc2000_interpolate(long value, long data[][2], long *result);
+static void adc_wait_conversion_done(void);
+
+
+static inline void SET_CS_TOUCH(void)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ gpio->PDDAT &= 0x5FF;
+}
+
+
+static inline void CLR_CS_TOUCH(void)
+{
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ gpio->PDDAT |= 0x200;
+}
+
+#endif /* _TSC2000_H_ */
return 1;
}
- if (argv[1][0] == '#') { /* select bitmap by number */
+ if (argv[1][0] == '/') { /* select bitmap by number */
bitmap = simple_strtoul(argv[1]+1, NULL, 10);
return (trab_vfd(bitmap));
}
U_BOOT_CMD(
vfd, 2, 0, do_vfd,
"vfd - load a bitmap to the VFDs on TRAB\n",
- "N\n"
+ "/N\n"
" - load bitmap N to the VFDs (N is _decimal_ !!!)\n"
+ "vfd ADDR\n"
+ " - load bitmap at address ADDR\n"
);
#endif /* CFG_CMD_VFD */
#if defined(CONFIG_I386) || defined(CONFIG_PPC)
gd->jt[XF_install_hdlr] = (void *) irq_install_handler;
gd->jt[XF_free_hdlr] = (void *) irq_free_handler;
-#endif
+#endif /* I386 || PPC */
+#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+ gd->jt[XF_i2c_write] = (void *) i2c_write;
+ gd->jt[XF_i2c_read] = (void *) i2c_read;
+#endif /* CFG_CMD_I2C */
}
SREC += eepro100_eeprom.srec
endif
+##ifeq ($(BOARD),trab)
+##SREC += trab_fkt.srec
+##BIN += trab_fkt.bin
+##endif
+
OBJS = $(SREC:.srec=.o)
LIB = libstubs.a
EXPORT_FUNC(free)
EXPORT_FUNC(udelay)
EXPORT_FUNC(get_timer)
+#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+EXPORT_FUNC(i2c_write)
+EXPORT_FUNC(i2c_read)
+#endif /* CFG_CMD_I2C */
/*
* Various low-level settings
*/
-#define CFG_HID0_INIT 0
-#define CFG_HID0_FINAL 0
+#define CFG_HID0_INIT HID0_ICE | HID0_ICFI
+#define CFG_HID0_FINAL HID0_ICE
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
#define CONFIG_MISC_INIT_R /* have misc_init_r() function */
+/*-----------------------------------------------------------------------
+ * burn-in test stuff
+ */
+#define BURN_IN_CYCLE_DELAY 20 /* delay in sec between burn-in test cycles */
+
/*-----------------------------------------------------------------------
* Stack sizes
*
void free(void*);
void udelay(unsigned long);
unsigned long get_timer(unsigned long);
+#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+int i2c_write (uchar, uint, int , uchar* , int);
+int i2c_read (uchar, uint, int , uchar* , int);
+#endif /* CFG_CMD_I2C */
void app_startup(char **);
XF_MAX
};
-#define XF_VERSION 1
+#define XF_VERSION 2
#if defined(CONFIG_I386)
extern gd_t *global_data;
projects / u-boot / commitdiff