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| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-27 17:34:39 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-27 17:34:39 +0900 |
| commit | 47c8a08bbe77ad3c06f63919a14b0f0b0cd54390 (patch) | |
| tree | 0cc31001058390e56bb1437553adfbe451cd714d /arch | |
| parent | 5be7c0a4d3dfe25091f2e4e524103e81d9e7e180 (diff) | |
| download | linux-47c8a08bbe77ad3c06f63919a14b0f0b0cd54390.tar.gz linux-47c8a08bbe77ad3c06f63919a14b0f0b0cd54390.tar.bz2 linux-47c8a08bbe77ad3c06f63919a14b0f0b0cd54390.zip | |
sh: rtc-generic support.
This adds rtc-generic support for SUPERH32.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sh/include/asm/rtc.h | 11 | ||||
| -rw-r--r-- | arch/sh/kernel/time_32.c | 23 |
3 files changed, 35 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 164748945f95..9db02ced57a5 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -30,6 +30,7 @@ config SUPERH32 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 f7b010d48af7..52b0c2dba979 100644 --- a/arch/sh/include/asm/rtc.h +++ b/arch/sh/include/asm/rtc.h @@ -6,6 +6,17 @@ extern void (*board_time_init)(void); 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 c770413c3213..109409f5ca53 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 @@ static int null_rtc_set_time(const time_t secs) 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) { |