sh: rtc-generic support.
This adds rtc-generic support for SUPERH32.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 1647489..9db02ce 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -30,6 +30,7 @@
select HAVE_DYNAMIC_FTRACE
select HAVE_ARCH_KGDB
select ARCH_HIBERNATION_POSSIBLE if MMU
+ select RTC_LIB
config SUPERH64
def_bool ARCH = "sh64"
diff --git a/arch/sh/include/asm/rtc.h b/arch/sh/include/asm/rtc.h
index f7b010d..52b0c2d 100644
--- a/arch/sh/include/asm/rtc.h
+++ b/arch/sh/include/asm/rtc.h
@@ -6,6 +6,17 @@
extern void (*rtc_sh_get_time)(struct timespec *);
extern int (*rtc_sh_set_time)(const time_t);
+/* some dummy definitions */
+#define RTC_BATT_BAD 0x100 /* battery bad */
+#define RTC_SQWE 0x08 /* enable square-wave output */
+#define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */
+#define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */
+#define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */
+
+struct rtc_time;
+unsigned int get_rtc_time(struct rtc_time *);
+int set_rtc_time(struct rtc_time *);
+
#define RTC_CAP_4_DIGIT_YEAR (1 << 0)
struct sh_rtc_platform_info {
diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c
index c770413..109409f 100644
--- a/arch/sh/kernel/time_32.c
+++ b/arch/sh/kernel/time_32.c
@@ -19,6 +19,7 @@
#include <linux/mc146818rtc.h> /* for rtc_lock */
#include <linux/platform_device.h>
#include <linux/smp.h>
+#include <linux/rtc.h>
#include <asm/clock.h>
#include <asm/rtc.h>
#include <asm/timer.h>
@@ -45,6 +46,28 @@
void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
+unsigned int get_rtc_time(struct rtc_time *tm)
+{
+ if (rtc_sh_get_time != null_rtc_get_time) {
+ struct timespec tv;
+
+ rtc_sh_get_time(&tv);
+ rtc_time_to_tm(tv.tv_sec, tm);
+ }
+
+ return RTC_24H;
+}
+EXPORT_SYMBOL(get_rtc_time);
+
+int set_rtc_time(struct rtc_time *tm)
+{
+ unsigned long secs;
+
+ rtc_tm_to_time(tm, &secs);
+ return rtc_sh_set_time(secs);
+}
+EXPORT_SYMBOL(set_rtc_time);
+
#ifndef CONFIG_GENERIC_TIME
void do_gettimeofday(struct timeval *tv)
{