|
@@ -26,7 +26,25 @@
|
|
|
|
|
|
#include <mach/platform.h>
|
|
|
#include <mach/stmp3xxx.h>
|
|
|
-#include <mach/regs-rtc.h>
|
|
|
+
|
|
|
+#define STMP3XXX_RTC_CTRL 0x0
|
|
|
+#define STMP3XXX_RTC_CTRL_ALARM_IRQ_EN 0x00000001
|
|
|
+#define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN 0x00000002
|
|
|
+#define STMP3XXX_RTC_CTRL_ALARM_IRQ 0x00000004
|
|
|
+#define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ 0x00000008
|
|
|
+
|
|
|
+#define STMP3XXX_RTC_STAT 0x10
|
|
|
+#define STMP3XXX_RTC_STAT_STALE_SHIFT 16
|
|
|
+#define STMP3XXX_RTC_STAT_RTC_PRESENT 0x80000000
|
|
|
+
|
|
|
+#define STMP3XXX_RTC_SECONDS 0x30
|
|
|
+
|
|
|
+#define STMP3XXX_RTC_ALARM 0x40
|
|
|
+
|
|
|
+#define STMP3XXX_RTC_PERSISTENT0 0x60
|
|
|
+#define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN 0x00000002
|
|
|
+#define STMP3XXX_RTC_PERSISTENT0_ALARM_EN 0x00000004
|
|
|
+#define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE 0x00000080
|
|
|
|
|
|
struct stmp3xxx_rtc_data {
|
|
|
struct rtc_device *rtc;
|
|
@@ -42,8 +60,8 @@ static void stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data)
|
|
|
* NEW_REGS/STALE_REGS bitfields go. In fact it's 0x1=P0,
|
|
|
* 0x2=P1, .., 0x20=P5, 0x40=ALARM, 0x80=SECONDS
|
|
|
*/
|
|
|
- while (__raw_readl(rtc_data->io + HW_RTC_STAT) &
|
|
|
- BF(0x80, RTC_STAT_STALE_REGS))
|
|
|
+ while (__raw_readl(rtc_data->io + STMP3XXX_RTC_STAT) &
|
|
|
+ (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT))
|
|
|
cpu_relax();
|
|
|
}
|
|
|
|
|
@@ -53,7 +71,8 @@ static int stmp3xxx_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
|
|
|
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
|
|
|
|
|
|
stmp3xxx_wait_time(rtc_data);
|
|
|
- rtc_time_to_tm(__raw_readl(rtc_data->io + HW_RTC_SECONDS), rtc_tm);
|
|
|
+ rtc_time_to_tm(__raw_readl(rtc_data->io + STMP3XXX_RTC_SECONDS),
|
|
|
+ rtc_tm);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
@@ -61,7 +80,7 @@ static int stmp3xxx_rtc_set_mmss(struct device *dev, unsigned long t)
|
|
|
{
|
|
|
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
|
|
|
|
|
|
- __raw_writel(t, rtc_data->io + HW_RTC_SECONDS);
|
|
|
+ __raw_writel(t, rtc_data->io + STMP3XXX_RTC_SECONDS);
|
|
|
stmp3xxx_wait_time(rtc_data);
|
|
|
return 0;
|
|
|
}
|
|
@@ -73,18 +92,19 @@ static irqreturn_t stmp3xxx_rtc_interrupt(int irq, void *dev_id)
|
|
|
u32 status;
|
|
|
u32 events = 0;
|
|
|
|
|
|
- status = __raw_readl(rtc_data->io + HW_RTC_CTRL) &
|
|
|
- (BM_RTC_CTRL_ALARM_IRQ | BM_RTC_CTRL_ONEMSEC_IRQ);
|
|
|
+ status = __raw_readl(rtc_data->io + STMP3XXX_RTC_CTRL) &
|
|
|
+ (STMP3XXX_RTC_CTRL_ALARM_IRQ |
|
|
|
+ STMP3XXX_RTC_CTRL_ONEMSEC_IRQ);
|
|
|
|
|
|
- if (status & BM_RTC_CTRL_ALARM_IRQ) {
|
|
|
- stmp3xxx_clearl(BM_RTC_CTRL_ALARM_IRQ,
|
|
|
- rtc_data->io + HW_RTC_CTRL);
|
|
|
+ if (status & STMP3XXX_RTC_CTRL_ALARM_IRQ) {
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ALARM_IRQ,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_CTRL);
|
|
|
events |= RTC_AF | RTC_IRQF;
|
|
|
}
|
|
|
|
|
|
- if (status & BM_RTC_CTRL_ONEMSEC_IRQ) {
|
|
|
- stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ,
|
|
|
- rtc_data->io + HW_RTC_CTRL);
|
|
|
+ if (status & STMP3XXX_RTC_CTRL_ONEMSEC_IRQ) {
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_CTRL);
|
|
|
if (++rtc_data->irq_count % 1000 == 0) {
|
|
|
events |= RTC_UF | RTC_IRQF;
|
|
|
rtc_data->irq_count = 0;
|
|
@@ -100,17 +120,17 @@ static irqreturn_t stmp3xxx_rtc_interrupt(int irq, void *dev_id)
|
|
|
static int stmp3xxx_alarm_irq_enable(struct device *dev, unsigned int enabled)
|
|
|
{
|
|
|
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
|
|
|
- void __iomem *p = rtc_data->io + HW_RTC_PERSISTENT0,
|
|
|
- *ctl = rtc_data->io + HW_RTC_CTRL;
|
|
|
+ void __iomem *p = rtc_data->io + STMP3XXX_RTC_PERSISTENT0,
|
|
|
+ *ctl = rtc_data->io + STMP3XXX_RTC_CTRL;
|
|
|
|
|
|
if (enabled) {
|
|
|
- stmp3xxx_setl(BM_RTC_PERSISTENT0_ALARM_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE_EN, p);
|
|
|
- stmp3xxx_setl(BM_RTC_CTRL_ALARM_IRQ_EN, ctl);
|
|
|
+ stmp3xxx_setl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN, p);
|
|
|
+ stmp3xxx_setl(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, ctl);
|
|
|
} else {
|
|
|
- stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE_EN, p);
|
|
|
- stmp3xxx_clearl(BM_RTC_CTRL_ALARM_IRQ_EN, ctl);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN, p);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, ctl);
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
@@ -119,7 +139,8 @@ static int stmp3xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
|
|
|
{
|
|
|
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
|
|
|
|
|
|
- rtc_time_to_tm(__raw_readl(rtc_data->io + HW_RTC_ALARM), &alm->time);
|
|
|
+ rtc_time_to_tm(__raw_readl(rtc_data->io + STMP3XXX_RTC_ALARM),
|
|
|
+ &alm->time);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
@@ -129,7 +150,7 @@ static int stmp3xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
|
|
|
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
|
|
|
|
|
|
rtc_tm_to_time(&alm->time, &t);
|
|
|
- __raw_writel(t, rtc_data->io + HW_RTC_ALARM);
|
|
|
+ __raw_writel(t, rtc_data->io + STMP3XXX_RTC_ALARM);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
@@ -149,8 +170,9 @@ static int stmp3xxx_rtc_remove(struct platform_device *pdev)
|
|
|
if (!rtc_data)
|
|
|
return 0;
|
|
|
|
|
|
- stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ_EN | BM_RTC_CTRL_ALARM_IRQ_EN,
|
|
|
- rtc_data->io + HW_RTC_CTRL);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN |
|
|
|
+ STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_CTRL);
|
|
|
free_irq(rtc_data->irq_alarm, &pdev->dev);
|
|
|
free_irq(rtc_data->irq_1msec, &pdev->dev);
|
|
|
rtc_device_unregister(rtc_data->rtc);
|
|
@@ -187,18 +209,18 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
|
|
|
rtc_data->irq_alarm = platform_get_irq(pdev, 0);
|
|
|
rtc_data->irq_1msec = platform_get_irq(pdev, 1);
|
|
|
|
|
|
- if (!(__raw_readl(HW_RTC_STAT + rtc_data->io) &
|
|
|
- BM_RTC_STAT_RTC_PRESENT)) {
|
|
|
+ if (!(__raw_readl(STMP3XXX_RTC_STAT + rtc_data->io) &
|
|
|
+ STMP3XXX_RTC_STAT_RTC_PRESENT)) {
|
|
|
dev_err(&pdev->dev, "no device onboard\n");
|
|
|
err = -ENODEV;
|
|
|
goto out_remap;
|
|
|
}
|
|
|
|
|
|
stmp3xxx_reset_block(rtc_data->io, true);
|
|
|
- stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE,
|
|
|
- rtc_data->io + HW_RTC_PERSISTENT0);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_PERSISTENT0);
|
|
|
rtc_data->rtc = rtc_device_register(pdev->name, &pdev->dev,
|
|
|
&stmp3xxx_rtc_ops, THIS_MODULE);
|
|
|
if (IS_ERR(rtc_data->rtc)) {
|
|
@@ -229,8 +251,9 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
|
|
|
out_irq1:
|
|
|
free_irq(rtc_data->irq_alarm, &pdev->dev);
|
|
|
out_irq_alarm:
|
|
|
- stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ_EN | BM_RTC_CTRL_ALARM_IRQ_EN,
|
|
|
- rtc_data->io + HW_RTC_CTRL);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN |
|
|
|
+ STMP3XXX_RTC_CTRL_ALARM_IRQ_EN,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_CTRL);
|
|
|
rtc_device_unregister(rtc_data->rtc);
|
|
|
out_remap:
|
|
|
iounmap(rtc_data->io);
|
|
@@ -250,10 +273,10 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev)
|
|
|
struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev);
|
|
|
|
|
|
stmp3xxx_reset_block(rtc_data->io, true);
|
|
|
- stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE_EN |
|
|
|
- BM_RTC_PERSISTENT0_ALARM_WAKE,
|
|
|
- rtc_data->io + HW_RTC_PERSISTENT0);
|
|
|
+ stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN |
|
|
|
+ STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE,
|
|
|
+ rtc_data->io + STMP3XXX_RTC_PERSISTENT0);
|
|
|
return 0;
|
|
|
}
|
|
|
#else
|