diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c | 67 |
1 files changed, 67 insertions, 0 deletions
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 <lg@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <rtc.h> +#include <spi.h> +#include <power/pmic.h> +#include <fsl_pmic.h> + +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) +{ +} |