sh: rtc-generic support.
This adds rtc-generic support for SUPERH32. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -30,6 +30,7 @@ config SUPERH32
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select HAVE_DYNAMIC_FTRACE
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select HAVE_ARCH_KGDB
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select ARCH_HIBERNATION_POSSIBLE if MMU
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select RTC_LIB
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config SUPERH64
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def_bool ARCH = "sh64"
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@ -6,6 +6,17 @@ extern void (*board_time_init)(void);
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extern void (*rtc_sh_get_time)(struct timespec *);
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extern int (*rtc_sh_set_time)(const time_t);
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/* some dummy definitions */
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#define RTC_BATT_BAD 0x100 /* battery bad */
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#define RTC_SQWE 0x08 /* enable square-wave output */
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#define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */
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#define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */
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#define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */
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struct rtc_time;
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unsigned int get_rtc_time(struct rtc_time *);
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int set_rtc_time(struct rtc_time *);
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#define RTC_CAP_4_DIGIT_YEAR (1 << 0)
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struct sh_rtc_platform_info {
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@ -19,6 +19,7 @@
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#include <linux/mc146818rtc.h> /* for rtc_lock */
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#include <linux/platform_device.h>
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#include <linux/smp.h>
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#include <linux/rtc.h>
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#include <asm/clock.h>
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#include <asm/rtc.h>
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#include <asm/timer.h>
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@ -45,6 +46,28 @@ static int null_rtc_set_time(const time_t secs)
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void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
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int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
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unsigned int get_rtc_time(struct rtc_time *tm)
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{
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if (rtc_sh_get_time != null_rtc_get_time) {
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struct timespec tv;
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rtc_sh_get_time(&tv);
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rtc_time_to_tm(tv.tv_sec, tm);
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}
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return RTC_24H;
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}
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EXPORT_SYMBOL(get_rtc_time);
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int set_rtc_time(struct rtc_time *tm)
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{
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unsigned long secs;
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rtc_tm_to_time(tm, &secs);
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return rtc_sh_set_time(secs);
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}
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EXPORT_SYMBOL(set_rtc_time);
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#ifndef CONFIG_GENERIC_TIME
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void do_gettimeofday(struct timeval *tv)
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{
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@ -692,7 +692,7 @@ config RTC_DRV_GENERIC
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tristate "Generic RTC support"
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# Please consider writing a new RTC driver instead of using the generic
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# RTC abstraction
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depends on PARISC || M68K || PPC
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depends on PARISC || M68K || PPC || SUPERH32
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help
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Say Y or M here to enable RTC support on systems using the generic
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RTC abstraction. If you do not know what you are doing, you should
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