Add qemu 2.4.0

[kvmfornfv.git] / 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 (file)
index 0000000..528247a
--- /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)
+{
+}