/* drivers/rtc/rtc-s3c.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
*
* Copyright (c) 2004,2006 Simtec Electronics
* Ben Dooks, <ben@simtec.co.uk>
static struct resource *s3c_rtc_mem;
+static struct clk *rtc_clk;
static void __iomem *s3c_rtc_base;
static int s3c_rtc_alarmno = NO_IRQ;
static int s3c_rtc_tickno = NO_IRQ;
struct rtc_device *rdev = id;
rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF);
+
+ if (s3c_rtc_cpu_type == TYPE_S3C64XX)
+ writeb(S3C2410_INTP_ALM, s3c_rtc_base + S3C2410_INTP);
+
return IRQ_HANDLED;
}
struct rtc_device *rdev = id;
rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF);
+
+ if (s3c_rtc_cpu_type == TYPE_S3C64XX)
+ writeb(S3C2410_INTP_TIC, s3c_rtc_base + S3C2410_INTP);
+
return IRQ_HANDLED;
}
if (enabled)
tmp |= S3C64XX_RTCCON_TICEN;
- writeb(tmp, s3c_rtc_base + S3C2410_RTCCON);
+ writew(tmp, s3c_rtc_base + S3C2410_RTCCON);
} else {
tmp = readb(s3c_rtc_base + S3C2410_TICNT);
tmp &= ~S3C2410_TICNT_ENABLE;
tmp |= (rtc_dev->max_user_freq / freq)-1;
- writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
+ writel(tmp, s3c_rtc_base + S3C2410_TICNT);
spin_unlock_irq(&s3c_rtc_pie_lock);
return 0;
s3c_rtc_setpie(&dev->dev, 0);
s3c_rtc_setaie(0);
+ clk_disable(rtc_clk);
+ clk_put(rtc_clk);
+ rtc_clk = NULL;
+
iounmap(s3c_rtc_base);
release_resource(s3c_rtc_mem);
kfree(s3c_rtc_mem);
{
struct rtc_device *rtc;
struct resource *res;
+ unsigned int tmp, i;
int ret;
pr_debug("%s: probe=%p\n", __func__, pdev);
goto err_nomap;
}
+ rtc_clk = clk_get(&pdev->dev, "rtc");
+ if (IS_ERR(rtc_clk)) {
+ dev_err(&pdev->dev, "failed to find rtc clock source\n");
+ ret = PTR_ERR(rtc_clk);
+ rtc_clk = NULL;
+ goto err_clk;
+ }
+
+ clk_enable(rtc_clk);
+
/* check to see if everything is setup correctly */
s3c_rtc_enable(pdev, 1);
s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data;
+ /* Check RTC Time */
+
+ for (i = S3C2410_RTCSEC; i <= S3C2410_RTCYEAR; i += 0x4) {
+ tmp = readb(s3c_rtc_base + i);
+
+ if ((tmp & 0xf) > 0x9 || ((tmp >> 4) & 0xf) > 0x9)
+ writeb(0, s3c_rtc_base + i);
+ }
+
if (s3c_rtc_cpu_type == TYPE_S3C64XX)
rtc->max_user_freq = 32768;
else
err_nortc:
s3c_rtc_enable(pdev, 0);
+ clk_disable(rtc_clk);
+ clk_put(rtc_clk);
+
+ err_clk:
iounmap(s3c_rtc_base);
err_nomap: