1 files changed, 0 insertions, 123 deletions
diff --git a/drivers/rtc/m41t94.c b/drivers/rtc/m41t94.c
deleted file mode 100644
index 5b665bb..0000000
--- a/drivers/rtc/m41t94.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Driver for ST M41T94 SPI RTC
- *
- * Taken from the Linux kernel drivier:
- * Copyright (C) 2008 Kim B. Heino
- *
- * Adaptation for U-Boot:
- * Copyright (C) 2009
- * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <rtc.h>
-#include <spi.h>
-
-static struct spi_slave *slave;
-
-#define M41T94_REG_SECONDS	0x01
-#define M41T94_REG_MINUTES	0x02
-#define M41T94_REG_HOURS	0x03
-#define M41T94_REG_WDAY		0x04
-#define M41T94_REG_DAY		0x05
-#define M41T94_REG_MONTH	0x06
-#define M41T94_REG_YEAR		0x07
-#define M41T94_REG_HT		0x0c
-
-#define M41T94_BIT_HALT		0x40
-#define M41T94_BIT_STOP		0x80
-#define M41T94_BIT_CB		0x40
-#define M41T94_BIT_CEB		0x80
-
-int rtc_set(struct rtc_time *tm)
-{
-	u8 buf[8]; /* write cmd + 7 registers */
-	int ret;
-
-	if (!slave) {
-		slave = spi_setup_slave(CONFIG_M41T94_SPI_BUS,
-					CONFIG_M41T94_SPI_CS, 1000000,
-					SPI_MODE_3);
-		if (!slave)
-			return -1;
-	}
-	spi_claim_bus(slave);
-
-	buf[0] = 0x80 | M41T94_REG_SECONDS; /* write time + date */
-	buf[M41T94_REG_SECONDS] = bin2bcd(tm->tm_sec);
-	buf[M41T94_REG_MINUTES] = bin2bcd(tm->tm_min);
-	buf[M41T94_REG_HOURS]   = bin2bcd(tm->tm_hour);
-	buf[M41T94_REG_WDAY]    = bin2bcd(tm->tm_wday + 1);
-	buf[M41T94_REG_DAY]     = bin2bcd(tm->tm_mday);
-	buf[M41T94_REG_MONTH]   = bin2bcd(tm->tm_mon + 1);
-
-	buf[M41T94_REG_HOURS] |= M41T94_BIT_CEB;
-	if (tm->tm_year >= 100)
-		buf[M41T94_REG_HOURS] |= M41T94_BIT_CB;
-	buf[M41T94_REG_YEAR] = bin2bcd(tm->tm_year % 100);
-
-	ret = spi_xfer(slave, 64, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END);
-	spi_release_bus(slave);
-	return ret;
-}
-
-int rtc_get(struct rtc_time *tm)
-{
-	u8 buf[2];
-	int ret, hour;
-
-	if (!slave) {
-		slave = spi_setup_slave(CONFIG_M41T94_SPI_BUS,
-					CONFIG_M41T94_SPI_CS, 1000000,
-					SPI_MODE_3);
-		if (!slave)
-			return -1;
-	}
-	spi_claim_bus(slave);
-
-	/* clear halt update bit */
-	ret = spi_w8r8(slave, M41T94_REG_HT);
-	if (ret < 0)
-		return ret;
-	if (ret & M41T94_BIT_HALT) {
-		buf[0] = 0x80 | M41T94_REG_HT;
-		buf[1] = ret & ~M41T94_BIT_HALT;
-		spi_xfer(slave, 16, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END);
-	}
-
-	/* clear stop bit */
-	ret = spi_w8r8(slave, M41T94_REG_SECONDS);
-	if (ret < 0)
-		return ret;
-	if (ret & M41T94_BIT_STOP) {
-		buf[0] = 0x80 | M41T94_REG_SECONDS;
-		buf[1] = ret & ~M41T94_BIT_STOP;
-		spi_xfer(slave, 16, buf, NULL, SPI_XFER_BEGIN | SPI_XFER_END);
-	}
-
-	tm->tm_sec  = bcd2bin(spi_w8r8(slave, M41T94_REG_SECONDS));
-	tm->tm_min  = bcd2bin(spi_w8r8(slave, M41T94_REG_MINUTES));
-	hour = spi_w8r8(slave, M41T94_REG_HOURS);
-	tm->tm_hour = bcd2bin(hour & 0x3f);
-	tm->tm_wday = bcd2bin(spi_w8r8(slave, M41T94_REG_WDAY)) - 1;
-	tm->tm_mday = bcd2bin(spi_w8r8(slave, M41T94_REG_DAY));
-	tm->tm_mon  = bcd2bin(spi_w8r8(slave, M41T94_REG_MONTH)) - 1;
-	tm->tm_year = bcd2bin(spi_w8r8(slave, M41T94_REG_YEAR));
-	if ((hour & M41T94_BIT_CB) || !(hour & M41T94_BIT_CEB))
-		tm->tm_year += 100;
-
-	spi_release_bus(slave);
-	return 0;
-}
-
-void rtc_reset(void)
-{
-	/*
-	 * Could not be tested as the reset pin is not wired on
-	 * the sbc35-ag20 board
-	 */
-}