ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/drivers/rtc/ftrtc010.c b/marvell/uboot/drivers/rtc/ftrtc010.c
new file mode 100644
index 0000000..713dad2
--- /dev/null
+++ b/marvell/uboot/drivers/rtc/ftrtc010.c
@@ -0,0 +1,123 @@
+/*
+ * Faraday FTRTC010 Real Time Clock
+ *
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <rtc.h>
+#include <asm/io.h>
+
+struct ftrtc010 {
+ unsigned int sec; /* 0x00 */
+ unsigned int min; /* 0x04 */
+ unsigned int hour; /* 0x08 */
+ unsigned int day; /* 0x0c */
+ unsigned int alarm_sec; /* 0x10 */
+ unsigned int alarm_min; /* 0x14 */
+ unsigned int alarm_hour; /* 0x18 */
+ unsigned int record; /* 0x1c */
+ unsigned int cr; /* 0x20 */
+ unsigned int wsec; /* 0x24 */
+ unsigned int wmin; /* 0x28 */
+ unsigned int whour; /* 0x2c */
+ unsigned int wday; /* 0x30 */
+ unsigned int intr; /* 0x34 */
+ unsigned int div; /* 0x38 */
+ unsigned int rev; /* 0x3c */
+};
+
+/*
+ * RTC Control Register
+ */
+#define FTRTC010_CR_ENABLE (1 << 0)
+#define FTRTC010_CR_INTERRUPT_SEC (1 << 1) /* per second irq */
+#define FTRTC010_CR_INTERRUPT_MIN (1 << 2) /* per minute irq */
+#define FTRTC010_CR_INTERRUPT_HR (1 << 3) /* per hour irq */
+#define FTRTC010_CR_INTERRUPT_DAY (1 << 4) /* per day irq */
+
+static struct ftrtc010 *rtc = (struct ftrtc010 *)CONFIG_FTRTC010_BASE;
+
+static void ftrtc010_enable(void)
+{
+ writel(FTRTC010_CR_ENABLE, &rtc->cr);
+}
+
+/*
+ * return current time in seconds
+ */
+static unsigned long ftrtc010_time(void)
+{
+ unsigned long day;
+ unsigned long hour;
+ unsigned long minute;
+ unsigned long second;
+ unsigned long second2;
+
+ do {
+ second = readl(&rtc->sec);
+ day = readl(&rtc->day);
+ hour = readl(&rtc->hour);
+ minute = readl(&rtc->min);
+ second2 = readl(&rtc->sec);
+ } while (second != second2);
+
+ return day * 24 * 60 * 60 + hour * 60 * 60 + minute * 60 + second;
+}
+
+/*
+ * Get the current time from the RTC
+ */
+
+int rtc_get(struct rtc_time *tmp)
+{
+ unsigned long now;
+
+ debug("%s(): record register: %x\n",
+ __func__, readl(&rtc->record));
+
+#ifdef CONFIG_FTRTC010_PCLK
+ now = (ftrtc010_time() + readl(&rtc->record)) / RTC_DIV_COUNT;
+#else /* CONFIG_FTRTC010_EXTCLK */
+ now = ftrtc010_time() + readl(&rtc->record);
+#endif
+
+ to_tm(now, tmp);
+
+ return 0;
+}
+
+/*
+ * Set the RTC
+ */
+int rtc_set(struct rtc_time *tmp)
+{
+ unsigned long new;
+ unsigned long now;
+
+ debug("%s(): DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
+ __func__,
+ tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+ new = mktime(tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_hour,
+ tmp->tm_min, tmp->tm_sec);
+
+ now = ftrtc010_time();
+
+ debug("%s(): write %lx to record register\n", __func__, new - now);
+
+ writel(new - now, &rtc->record);
+
+ return 0;
+}
+
+void rtc_reset(void)
+{
+ debug("%s()\n", __func__);
+ ftrtc010_enable();
+}