From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c | 67 ++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c (limited to 'qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c') diff --git a/qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c b/qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c new file mode 100644 index 000000000..528247ac8 --- /dev/null +++ b/qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2008, Guennadi Liakhovetski + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +int rtc_get(struct rtc_time *rtc) +{ + u32 day1, day2, time; + int tim, i = 0; + struct pmic *p = pmic_get("FSL_PMIC"); + int ret; + + if (!p) + return -1; + do { + ret = pmic_reg_read(p, REG_RTC_DAY, &day1); + if (ret < 0) + return -1; + + ret = pmic_reg_read(p, REG_RTC_TIME, &time); + if (ret < 0) + return -1; + + ret = pmic_reg_read(p, REG_RTC_DAY, &day2); + if (ret < 0) + return -1; + + } while (day1 != day2 && i++ < 3); + + tim = day1 * 86400 + time; + + to_tm(tim, rtc); + + rtc->tm_yday = 0; + rtc->tm_isdst = 0; + + return 0; +} + +int rtc_set(struct rtc_time *rtc) +{ + u32 time, day; + struct pmic *p = pmic_get("FSL_PMIC"); + if (!p) + return -1; + + time = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday, + rtc->tm_hour, rtc->tm_min, rtc->tm_sec); + day = time / 86400; + time %= 86400; + + pmic_reg_write(p, REG_RTC_DAY, day); + pmic_reg_write(p, REG_RTC_TIME, time); + + return 0; +} + +void rtc_reset(void) +{ +} -- cgit 1.2.3-korg