1 files changed, 0 insertions, 81 deletions
diff --git a/arch/sh/boards/dreamcast/rtc.c b/arch/sh/boards/dreamcast/rtc.c
deleted file mode 100644
index b3a876a3b859..000000000000
--- a/arch/sh/boards/dreamcast/rtc.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * arch/sh/boards/dreamcast/rtc.c
- *
- * Dreamcast AICA RTC routines.
- *
- * Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org>
- * Copyright (c) 2002 Paul Mundt <lethal@chaoticdreams.org>
- *
- * Released under the terms of the GNU GPL v2.0.
- *
- */
-
-#include <linux/time.h>
-#include <asm/rtc.h>
-#include <asm/io.h>
-
-/* The AICA RTC has an Epoch of 1/1/1950, so we must subtract 20 years (in
-   seconds) to get the standard Unix Epoch when getting the time, and add
-   20 years when setting the time. */
-#define TWENTY_YEARS ((20 * 365LU + 5) * 86400)
-
-/* The AICA RTC is represented by a 32-bit seconds counter stored in 2 16-bit
-   registers.*/
-#define AICA_RTC_SECS_H		0xa0710000
-#define AICA_RTC_SECS_L		0xa0710004
-
-/**
- * aica_rtc_gettimeofday - Get the time from the AICA RTC
- * @ts: pointer to resulting timespec
- *
- * Grabs the current RTC seconds counter and adjusts it to the Unix Epoch.
- */
-void aica_rtc_gettimeofday(struct timespec *ts)
-{
-	unsigned long val1, val2;
-
-	do {
-		val1 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) |
-			(ctrl_inl(AICA_RTC_SECS_L) & 0xffff);
-
-		val2 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) |
-			(ctrl_inl(AICA_RTC_SECS_L) & 0xffff);
-	} while (val1 != val2);
-
-	ts->tv_sec = val1 - TWENTY_YEARS;
-
-	/* Can't get nanoseconds with just a seconds counter. */
-	ts->tv_nsec = 0;
-}
-
-/**
- * aica_rtc_settimeofday - Set the AICA RTC to the current time
- * @secs: contains the time_t to set
- *
- * Adjusts the given @tv to the AICA Epoch and sets the RTC seconds counter.
- */
-int aica_rtc_settimeofday(const time_t secs)
-{
-	unsigned long val1, val2;
-	unsigned long adj = secs + TWENTY_YEARS;
-
-	do {
-		ctrl_outl((adj & 0xffff0000) >> 16, AICA_RTC_SECS_H);
-		ctrl_outl((adj & 0xffff), AICA_RTC_SECS_L);
-
-		val1 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) |
-			(ctrl_inl(AICA_RTC_SECS_L) & 0xffff);
-
-		val2 = ((ctrl_inl(AICA_RTC_SECS_H) & 0xffff) << 16) |
-			(ctrl_inl(AICA_RTC_SECS_L) & 0xffff);
-	} while (val1 != val2);
-
-	return 0;
-}
-
-void aica_time_init(void)
-{
-	rtc_sh_get_time = aica_rtc_gettimeofday;
-	rtc_sh_set_time = aica_rtc_settimeofday;
-}
-