Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 123 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/drivers/rtc/ftrtc010.c b/qemu/roms/u-boot/drivers/rtc/ftrtc010.c
new file mode 100644
index 000000000..713dad274
--- /dev/null
+++ b/qemu/roms/u-boot/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();
+}