upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.9 KiB
100 lines
2.9 KiB
13 years ago
|
/*
|
||
|
|
* (C) Copyright 2011 DENX Software Engineering GmbH
|
||
|
|
* Heiko Schocher <hs@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 <command.h>
|
||
|
|
#include <rtc.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/arch/hardware.h>
|
||
|
|
|
||
|
|
#if defined(CONFIG_CMD_DATE)
|
||
|
|
int rtc_get(struct rtc_time *tmp)
|
||
|
|
{
|
||
|
|
struct davinci_rtc *rtc = davinci_rtc_base;
|
||
|
|
unsigned long sec, min, hour, mday, wday, mon_cent, year;
|
||
|
|
unsigned long status;
|
||
|
|
|
||
|
|
status = readl(&rtc->status);
|
||
|
|
if ((status & RTC_STATE_RUN) != RTC_STATE_RUN) {
|
||
|
|
printf("RTC doesn't run\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if ((status & RTC_STATE_BUSY) == RTC_STATE_BUSY)
|
||
|
|
udelay(20);
|
||
|
|
|
||
|
|
sec = readl(&rtc->second);
|
||
|
|
min = readl(&rtc->minutes);
|
||
|
|
hour = readl(&rtc->hours);
|
||
|
|
mday = readl(&rtc->day);
|
||
|
|
wday = readl(&rtc->dotw);
|
||
|
|
mon_cent = readl(&rtc->month);
|
||
|
|
year = readl(&rtc->year);
|
||
|
|
|
||
|
|
debug("Get RTC year: %02lx mon/cent: %02lx mday: %02lx wday: %02lx "
|
||
|
|
"hr: %02lx min: %02lx sec: %02lx\n",
|
||
|
|
year, mon_cent, mday, wday,
|
||
|
|
hour, min, sec);
|
||
|
|
|
||
|
|
tmp->tm_sec = bcd2bin(sec & 0x7F);
|
||
|
|
tmp->tm_min = bcd2bin(min & 0x7F);
|
||
|
|
tmp->tm_hour = bcd2bin(hour & 0x3F);
|
||
|
|
tmp->tm_mday = bcd2bin(mday & 0x3F);
|
||
|
|
tmp->tm_mon = bcd2bin(mon_cent & 0x1F);
|
||
|
|
tmp->tm_year = bcd2bin(year) + 2000;
|
||
|
|
tmp->tm_wday = bcd2bin(wday & 0x07);
|
||
|
|
tmp->tm_yday = 0;
|
||
|
|
tmp->tm_isdst = 0;
|
||
|
|
|
||
|
|
debug("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
|
||
|
|
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
|
||
|
|
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rtc_set(struct rtc_time *tmp)
|
||
|
|
{
|
||
|
|
struct davinci_rtc *rtc = davinci_rtc_base;
|
||
|
|
|
||
|
|
debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
|
||
|
|
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
|
||
|
|
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
|
||
|
|
writel(bin2bcd(tmp->tm_year % 100), &rtc->year);
|
||
|
|
writel(bin2bcd(tmp->tm_mon), &rtc->month);
|
||
|
|
|
||
|
|
writel(bin2bcd(tmp->tm_wday), &rtc->dotw);
|
||
|
|
writel(bin2bcd(tmp->tm_mday), &rtc->day);
|
||
|
|
writel(bin2bcd(tmp->tm_hour), &rtc->hours);
|
||
|
|
writel(bin2bcd(tmp->tm_min), &rtc->minutes);
|
||
|
|
writel(bin2bcd(tmp->tm_sec), &rtc->second);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtc_reset(void)
|
||
|
|
{
|
||
|
|
struct davinci_rtc *rtc = davinci_rtc_base;
|
||
|
|
|
||
|
|
/* run RTC counter */
|
||
|
|
writel(0x01, &rtc->ctrl);
|
||
|
|
}
|
||
|
|
#endif
|