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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/rtc/mc13xxx-rtc.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c67
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)
+{
+}