+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001, 2002, 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Keith Outwater, keith_outwater@mvis.com`
* Steven Scholz, steven.scholz@imc-berlin.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 <rtc.h>
#include <i2c.h>
-#if (defined(CONFIG_RTC_DS1374)) && defined(CONFIG_CMD_DATE)
+#if defined(CONFIG_CMD_DATE)
/*---------------------------------------------------------------------*/
#undef DEBUG_RTC
#endif
/*---------------------------------------------------------------------*/
-#ifndef CFG_I2C_RTC_ADDR
-# define CFG_I2C_RTC_ADDR 0x68
+#ifndef CONFIG_SYS_I2C_RTC_ADDR
+# define CONFIG_SYS_I2C_RTC_ADDR 0x68
#endif
-#if defined(CONFIG_RTC_DS1374) && (CFG_I2C_SPEED > 400000)
+#if defined(CONFIG_RTC_DS1374) && (CONFIG_SYS_I2C_SPEED > 400000)
# error The DS1374 is specified up to 400kHz in fast mode!
#endif
#define RTC_SR_BIT_AF 0x01 /* Bit 0 = Alarm Flag */
#define RTC_SR_BIT_OSF 0x80 /* Bit 7 - Osc Stop Flag */
-typedef unsigned char boolean_t;
-
-#ifndef TRUE
-#define TRUE ((boolean_t)(0==0))
-#endif
-#ifndef FALSE
-#define FALSE (!TRUE)
-#endif
-
const char RtcTodAddr[] = {
RTC_TOD_CNT_BYTE0_ADDR,
RTC_TOD_CNT_BYTE1_ADDR,
};
static uchar rtc_read (uchar reg);
-static void rtc_write (uchar reg, uchar val, boolean_t set);
+static void rtc_write(uchar reg, uchar val, bool set);
static void rtc_write_raw (uchar reg, uchar val);
/*
* Get the current time from the RTC
*/
-void rtc_get (struct rtc_time *tm){
-
+int rtc_get (struct rtc_time *tm){
+ int rel = 0;
unsigned long time1, time2;
unsigned int limit;
unsigned char tmp;
if (time1 != time2) {
printf("can't get consistent time from rtc chip\n");
+ rel = -1;
}
- DEBUGR ("Get RTC s since 1.1.1970: %d\n", time1);
+ DEBUGR ("Get RTC s since 1.1.1970: %ld\n", time1);
- to_tm(time1, tm); /* To Gregorian Date */
+ rtc_to_tm(time1, tm); /* To Gregorian Date */
- if (rtc_read(RTC_SR_ADDR) & RTC_SR_BIT_OSF)
+ if (rtc_read(RTC_SR_ADDR) & RTC_SR_BIT_OSF) {
printf ("### Warning: RTC oscillator has stopped\n");
+ rel = -1;
+ }
DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+ return rel;
}
/*
* Set the RTC
*/
-void rtc_set (struct rtc_time *tmp){
+int rtc_set (struct rtc_time *tmp){
unsigned long time;
unsigned i;
if (tmp->tm_year < 1970 || tmp->tm_year > 2069)
printf("WARNING: year should be between 1970 and 2069!\n");
- time = mktime(tmp->tm_year, tmp->tm_mon,
- tmp->tm_mday, tmp->tm_hour,
- tmp->tm_min, tmp->tm_sec);
+ time = rtc_mktime(tmp);
- DEBUGR ("Set RTC s since 1.1.1970: %d (0x%02x)\n", time, time);
+ DEBUGR ("Set RTC s since 1.1.1970: %ld (0x%02lx)\n", time, time);
/* write to RTC_TOD_CNT_BYTEn_ADDR */
for (i = 0; i <= 3; i++) {
}
/* Start clock */
- rtc_write(RTC_CTL_ADDR, RTC_CTL_BIT_EN_OSC, FALSE);
+ rtc_write(RTC_CTL_ADDR, RTC_CTL_BIT_EN_OSC, false);
+
+ return 0;
}
/*
*/
void rtc_reset (void){
- struct rtc_time tmp;
-
/* clear status flags */
- rtc_write (RTC_SR_ADDR, (RTC_SR_BIT_AF|RTC_SR_BIT_OSF), FALSE); /* clearing OSF and AF */
+ rtc_write(RTC_SR_ADDR, (RTC_SR_BIT_AF|RTC_SR_BIT_OSF), false); /* clearing OSF and AF */
/* Initialise DS1374 oriented to MPC8349E-ADS */
rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_EN_OSC
|RTC_CTL_BIT_WACE
- |RTC_CTL_BIT_AIE), FALSE);/* start osc, disable WACE, clear AIE
+ |RTC_CTL_BIT_AIE), false);/* start osc, disable WACE, clear AIE
- set to 0 */
rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_WD_ALM
|RTC_CTL_BIT_WDSTR
|RTC_CTL_BIT_RS1
|RTC_CTL_BIT_RS2
- |RTC_CTL_BIT_BBSQW), TRUE);/* disable WD/ALM, WDSTR set to INT-pin,
+ |RTC_CTL_BIT_BBSQW), true);/* disable WD/ALM, WDSTR set to INT-pin,
set BBSQW and SQW to 32k
- set to 1 */
- tmp.tm_year = 1970;
- tmp.tm_mon = 1;
- tmp.tm_mday= 1;
- tmp.tm_hour = 0;
- tmp.tm_min = 0;
- tmp.tm_sec = 0;
-
- rtc_set(&tmp);
-
- printf("RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
- tmp.tm_year, tmp.tm_mon, tmp.tm_mday,
- tmp.tm_hour, tmp.tm_min, tmp.tm_sec);
-
- rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAC, TRUE);
- rtc_write(RTC_WD_ALM_CNT_BYTE1_ADDR,0xDE, TRUE);
- rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAD, TRUE);
+ rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR, 0xAC, true);
+ rtc_write(RTC_WD_ALM_CNT_BYTE1_ADDR, 0xDE, true);
+ rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR, 0xAD, true);
}
/*
*/
static uchar rtc_read (uchar reg)
{
- return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg));
+ return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
}
-static void rtc_write (uchar reg, uchar val, boolean_t set)
+static void rtc_write(uchar reg, uchar val, bool set)
{
- if (set == TRUE) {
- val |= i2c_reg_read (CFG_I2C_RTC_ADDR, reg);
- i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
+ if (set == true) {
+ val |= i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg);
+ i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
} else {
- val = i2c_reg_read (CFG_I2C_RTC_ADDR, reg) & ~val;
- i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
+ val = i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg) & ~val;
+ i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
}
}
static void rtc_write_raw (uchar reg, uchar val)
{
- i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
+ i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
}
#endif