[MIPS] DDB5477: Remove support

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 170 deletions

diff --git a/arch/mips/ddb5xxx/common/rtc_ds1386.c b/arch/mips/ddb5xxx/common/rtc_ds1386.c
deleted file mode 100644
index 5dc34daa715..00000000000
--- a/arch/mips/ddb5xxx/common/rtc_ds1386.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/common/rtc_ds1386.c
- *     low-level RTC hookups for s for Dallas 1396 chip.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-
-/*
- * This file exports a function, rtc_ds1386_init(), which expects an
- * uncached base address as the argument.  It will set the two function
- * pointers expected by the MIPS generic timer code.
- */
-
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/bcd.h>
-
-#include <asm/time.h>
-#include <asm/addrspace.h>
-
-#include <asm/mc146818rtc.h>
-#include <asm/debug.h>
-
-#define	EPOCH		2000
-
-#define	READ_RTC(x)	*(volatile unsigned char*)(rtc_base+x)
-#define	WRITE_RTC(x, y)	*(volatile unsigned char*)(rtc_base+x) = y
-
-static unsigned long rtc_base;
-
-static unsigned long
-rtc_ds1386_get_time(void)
-{
-	u8 byte;
-	u8 temp;
-	unsigned int year, month, day, hour, minute, second;
-	unsigned long flags;
-
-	spin_lock_irqsave(&rtc_lock, flags);
-	/* let us freeze external registers */
-	byte = READ_RTC(0xB);
-	byte &= 0x3f;
-	WRITE_RTC(0xB, byte);
-
-	/* read time data */
-	year = BCD2BIN(READ_RTC(0xA)) + EPOCH;
-	month = BCD2BIN(READ_RTC(0x9) & 0x1f);
-	day = BCD2BIN(READ_RTC(0x8));
-	minute = BCD2BIN(READ_RTC(0x2));
-	second = BCD2BIN(READ_RTC(0x1));
-
-	/* hour is special - deal with it later */
-	temp = READ_RTC(0x4);
-
-	/* enable time transfer */
-	byte |= 0x80;
-	WRITE_RTC(0xB, byte);
-	spin_unlock_irqrestore(&rtc_lock, flags);
-
-	/* calc hour */
-	if (temp & 0x40) {
-		/* 12 hour format */
-		hour = BCD2BIN(temp & 0x1f);
-		if (temp & 0x20) hour += 12; 		/* PM */
-	} else {
-		/* 24 hour format */
-		hour = BCD2BIN(temp & 0x3f);
-	}
-
-	return mktime(year, month, day, hour, minute, second);
-}
-
-static int
-rtc_ds1386_set_time(unsigned long t)
-{
-	struct rtc_time tm;
-	u8 byte;
-	u8 temp;
-	u8 year, month, day, hour, minute, second;
-	unsigned long flags;
-
-	spin_lock_irqsave(&rtc_lock, flags);
-	/* let us freeze external registers */
-	byte = READ_RTC(0xB);
-	byte &= 0x3f;
-	WRITE_RTC(0xB, byte);
-
-	/* convert */
-	to_tm(t, &tm);
-
-
-	/* check each field one by one */
-	year = BIN2BCD(tm.tm_year - EPOCH);
-	if (year != READ_RTC(0xA)) {
-		WRITE_RTC(0xA, year);
-	}
-
-	temp = READ_RTC(0x9);
-	month = BIN2BCD(tm.tm_mon+1);	/* tm_mon starts from 0 to 11 */
-	if (month != (temp & 0x1f)) {
-		WRITE_RTC( 0x9,
-			   (month & 0x1f) | (temp & ~0x1f) );
-	}
-
-	day = BIN2BCD(tm.tm_mday);
-	if (day != READ_RTC(0x8)) {
-		WRITE_RTC(0x8, day);
-	}
-
-	temp = READ_RTC(0x4);
-	if (temp & 0x40) {
-		/* 12 hour format */
-		hour = 0x40;
-		if (tm.tm_hour > 12) {
-			hour |= 0x20 | (BIN2BCD(hour-12) & 0x1f);
-		} else {
-			hour |= BIN2BCD(tm.tm_hour);
-		}
-	} else {
-		/* 24 hour format */
-		hour = BIN2BCD(tm.tm_hour) & 0x3f;
-	}
-	if (hour != temp) WRITE_RTC(0x4, hour);
-
-	minute = BIN2BCD(tm.tm_min);
-	if (minute != READ_RTC(0x2)) {
-		WRITE_RTC(0x2, minute);
-	}
-
-	second = BIN2BCD(tm.tm_sec);
-	if (second != READ_RTC(0x1)) {
-		WRITE_RTC(0x1, second);
-	}
-	spin_unlock_irqrestore(&rtc_lock, flags);
-
-	return 0;
-}
-
-void
-rtc_ds1386_init(unsigned long base)
-{
-	unsigned char byte;
-
-	/* remember the base */
-	rtc_base = base;
-	db_assert((rtc_base & 0xe0000000) == KSEG1);
-
-	/* turn on RTC if it is not on */
-	byte = READ_RTC(0x9);
-	if (byte & 0x80) {
-		byte &= 0x7f;
-		WRITE_RTC(0x9, byte);
-	}
-
-	/* enable time transfer */
-	byte = READ_RTC(0xB);
-	byte |= 0x80;
-	WRITE_RTC(0xB, byte);
-
-	/* set the function pointers */
-	rtc_mips_get_time = rtc_ds1386_get_time;
-	rtc_mips_set_time = rtc_ds1386_set_time;
-}