[coldfire]: switch to 2.6.38

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31546 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 627 insertions, 0 deletions

diff --git a/target/linux/coldfire/patches/026-Add-RTC-driver-support-for-MCF5445x.patch b/target/linux/coldfire/patches/026-Add-RTC-driver-support-for-MCF5445x.patch
new file mode 100644
index 0000000000..25b9794ba0
--- /dev/null
+++ b/target/linux/coldfire/patches/026-Add-RTC-driver-support-for-MCF5445x.patch
@@ -0,0 +1,627 @@
+From 40563ab5aa698191dbd8a05fe6053aa790eee2a1 Mon Sep 17 00:00:00 2001
+From: Alison Wang <b18965@freescale.com>
+Date: Thu, 4 Aug 2011 09:59:46 +0800
+Subject: [PATCH 26/52] Add RTC driver support for MCF5445x
+
+On-chip RTC module support for MCF54451 and MCF54455.
+Using internal 32K clock to drive the rtc module.
+
+Signed-off-by: Alison Wang <b18965@freescale.com>
+---
+ drivers/rtc/Kconfig   |    9 +
+ drivers/rtc/Makefile  |    1 +
+ drivers/rtc/rtc-mcf.c |  583 +++++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 593 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/rtc/rtc-mcf.c
+
+--- a/drivers/rtc/Kconfig
++++ b/drivers/rtc/Kconfig
+@@ -919,6 +919,15 @@ config RTC_DRV_MV
+ 	  This driver can also be built as a module. If so, the module
+ 	  will be called rtc-mv.
+ 
++config RTC_MCF
++        tristate "Freescale Coldfire Real Time Clock"
++        depends on COLDFIRE
++        help
++          If you say yes here you will get support for the on-chip Coldfire
++	  Real-Time Clock.
++
++	  If you build it as a module it will be call mcf-rtc.
++
+ config RTC_DRV_PS3
+ 	tristate "PS3 RTC"
+ 	depends on PPC_PS3
+--- a/drivers/rtc/Makefile
++++ b/drivers/rtc/Makefile
+@@ -102,3 +102,4 @@ obj-$(CONFIG_RTC_DRV_VR41XX)	+= rtc-vr41
+ obj-$(CONFIG_RTC_DRV_WM831X)	+= rtc-wm831x.o
+ obj-$(CONFIG_RTC_DRV_WM8350)	+= rtc-wm8350.o
+ obj-$(CONFIG_RTC_DRV_X1205)	+= rtc-x1205.o
++obj-$(CONFIG_RTC_MCF)           += rtc-mcf.o
+--- /dev/null
++++ b/drivers/rtc/rtc-mcf.c
+@@ -0,0 +1,583 @@
++/*
++ * Copyright (C) 2004-2011 Freescale Semiconductor, Inc. All Rights Reserved.
++ *
++ * Implementation based on rtc-mxc.c
++ * This file contains Real Time Clock interface for Linux.
++ *
++ * This 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.
++ */
++
++#include <linux/rtc.h>
++#include <linux/module.h>
++#include <linux/fs.h>
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/platform_device.h>
++#include <linux/clk.h>
++#include <linux/uaccess.h>
++#include <asm/mcfsim.h>
++#include <linux/slab.h>
++#include <linux/io.h>
++
++#ifdef readl
++#undef readl
++#endif
++
++#ifdef writel
++#undef writel
++#endif
++
++#define readl(addr)      in_be32(addr)
++#define writel(val, addr) out_be32((addr), (val))
++
++#define RTC_INPUT_CLK_32768HZ	0x8000
++#define RTC_INPUT_CLK_32000HZ	0x7D00
++#define RTC_INPUT_CLK_38400HZ	0x9600
++#define RTC_INPUT_CLK_48000HZ	0xBB80
++
++#define PIT_ALL_ON (MCF_RTC_ISR_2HZ | MCF_RTC_ISR_SAM0 | MCF_RTC_ISR_SAM1 | \
++		     MCF_RTC_ISR_SAM2 | MCF_RTC_ISR_SAM3 | MCF_RTC_ISR_SAM4 | \
++		     MCF_RTC_ISR_SAM5 | MCF_RTC_ISR_SAM6 | MCF_RTC_ISR_SAM7)
++
++#define MAX_PIE_NUM     9
++#define MAX_PIE_FREQ    512
++const u32 PIE_BIT_DEF[MAX_PIE_NUM][2] = {
++	{2,   MCF_RTC_ISR_2HZ},
++	{4,   MCF_RTC_ISR_SAM0},
++	{8,   MCF_RTC_ISR_SAM1},
++	{16,  MCF_RTC_ISR_SAM2},
++	{32,  MCF_RTC_ISR_SAM3},
++	{64,  MCF_RTC_ISR_SAM4},
++	{128, MCF_RTC_ISR_SAM5},
++	{256, MCF_RTC_ISR_SAM6},
++	{MAX_PIE_FREQ, MCF_RTC_ISR_SAM7},
++};
++
++/* Those are the bits from a classic RTC we want to mimic */
++#define RTC_IRQF                0x80	/* any of the following 3 is active */
++#define RTC_PF                  0x40	/* Periodic interrupt */
++#define RTC_AF                  0x20	/* Alarm interrupt */
++#define RTC_UF                  0x10	/* Update interrupt for 1Hz RTC */
++
++#define MCF_RTC_TIME            0
++#define MCF_RTC_ALARM           1
++
++struct rtc_plat_data {
++	struct rtc_device *rtc;
++	int irq;
++	unsigned int irqen;
++	int alrm_sec;
++	int alrm_min;
++	int alrm_hour;
++	int alrm_mday;
++};
++
++/*!
++ * @defgroup RTC Real Time Clock (RTC) Driver
++ */
++/*!
++ * @file rtc-mcf.c
++ * @brief Real Time Clock interface
++ *
++ * This file contains Real Time Clock interface for Linux.
++ *
++ * @ingroup RTC
++ */
++
++#define RTC_VERSION		"0.1"
++
++static u32 rtc_freq = 2;	/* minimun value for PIE */
++static unsigned long rtc_status;
++
++static struct rtc_time g_rtc_alarm = {
++	.tm_year = 0,
++	.tm_mon = 0,
++	.tm_mday = 0,
++	.tm_hour = 0,
++	.tm_mon = 0,
++	.tm_sec = 0,
++};
++
++static DEFINE_SPINLOCK(rtc_lock);
++
++/*!
++ * This function is used to obtain the RTC time or the alarm value in
++ * second.
++ *
++ * @param  time_alarm   use MCF_RTC_TIME for RTC time value;
++ *			    MCF_RTC_ALARM for alarm value
++ *
++ * @return The RTC time or alarm time in second.
++ */
++static u32 get_alarm_or_time(struct device *dev, int time_alarm)
++{
++	u32 day, hr, min, sec, hr_min;
++
++	if (time_alarm == MCF_RTC_TIME) {
++		day = MCF_RTC_DAYS_DAYS(readl(MCF_RTC_DAYS));
++		hr_min = readl(MCF_RTC_HOURMIN);
++		sec = MCF_RTC_SECONDS_SECONDS(readl(MCF_RTC_SECONDS));
++	} else if (time_alarm == MCF_RTC_ALARM) {
++		day = MCF_RTC_ALRM_DAY_DAYS(readl(MCF_RTC_ALRM_DAY));
++		hr_min = readl(MCF_RTC_ALRM_HM);
++		sec = MCF_RTC_ALRM_SEC_SECONDS(readl(MCF_RTC_ALRM_SEC));
++	} else {
++		panic("wrong value for time_alarm=%d\n", time_alarm);
++	}
++
++	hr = (hr_min >> 8) & 0x001F;
++	min = hr_min & 0x003F;
++
++	return (((day * 24 + hr) * 60) + min) * 60 + sec;
++}
++
++/*!
++ * This function sets the RTC alarm value or the time value.
++ *
++ * @param  time_alarm	the new alarm value to be updated in the RTC
++ * @param  time	use MCF_RTC_TIME for RTC time value;
++ *			MCF_RTC_ALARM for alarm value
++ */
++static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time)
++{
++	u32 day, hr, min, sec, temp;
++
++	day = time / 86400;
++	time -= day * 86400;
++	/* time is within a day now */
++	hr = time / 3600;
++	time -= hr * 3600;
++	/* time is within an hour now */
++	min = time / 60;
++	sec = time - min * 60;
++
++	temp = (hr << 8) + min;
++
++	if (time_alarm == MCF_RTC_TIME) {
++		writel(day, MCF_RTC_DAYS);
++		writel(sec, MCF_RTC_SECONDS);
++		writel(temp, MCF_RTC_HOURMIN);
++	} else if (time_alarm == MCF_RTC_ALARM) {
++		writel(day, MCF_RTC_ALRM_DAY);
++		writel(sec, MCF_RTC_ALRM_SEC);
++		writel(temp, MCF_RTC_ALRM_HM);
++	} else {
++		panic("wrong value for time_alarm=%d\n", time_alarm);
++	}
++}
++
++/*!
++ * This function updates the RTC alarm registers and then clears all the
++ * interrupt status bits.
++ *
++ * @param  alrm         the new alarm value to be updated in the RTC
++ *
++ * @return  0 if successful; non-zero otherwise.
++ */
++static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
++{
++	struct rtc_time alarm_tm, now_tm;
++	unsigned long now, time;
++	int ret;
++
++	now = get_alarm_or_time(dev, MCF_RTC_TIME);
++	rtc_time_to_tm(now, &now_tm);
++	alarm_tm.tm_year = now_tm.tm_year;
++	alarm_tm.tm_mon = now_tm.tm_mon;
++	alarm_tm.tm_mday = now_tm.tm_mday;
++	alarm_tm.tm_hour = alrm->tm_hour;
++	alarm_tm.tm_min = alrm->tm_min;
++	alarm_tm.tm_sec = alrm->tm_sec;
++	rtc_tm_to_time(&now_tm, &now);
++	rtc_tm_to_time(&alarm_tm, &time);
++	if (time < now) {
++		time += 60 * 60 * 24;
++		rtc_time_to_tm(time, &alarm_tm);
++	}
++	ret = rtc_tm_to_time(&alarm_tm, &time);
++
++	/* clear all the interrupt status bits */
++	writel(readl(MCF_RTC_ISR), MCF_RTC_ISR);
++
++	set_alarm_or_time(dev, MCF_RTC_ALARM, time);
++
++	return ret;
++}
++
++/*!
++ * This function is the RTC interrupt service routine.
++ *
++ * @param  irq          RTC IRQ number
++ * @param  dev_id       device ID which is not used
++ *
++ * @return IRQ_HANDLED as defined in the include/linux/interrupt.h file.
++ */
++static irqreturn_t mcf_rtc_interrupt(int irq, void *dev_id)
++{
++	struct platform_device *pdev = dev_id;
++	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
++	u32 status, events = 0;
++
++	spin_lock(&rtc_lock);
++
++	/* clear interrupt sources */
++	status = readl(MCF_RTC_ISR) & readl(MCF_RTC_IER);
++	writel(status, MCF_RTC_ISR);
++
++	/* clear alarm interrupt if it has occurred */
++	if (status & MCF_RTC_ISR_ALM)
++		status &= ~MCF_RTC_ISR_ALM;
++
++	/* update irq data & counter */
++	if (status & MCF_RTC_ISR_ALM)
++		events |= (RTC_AF | RTC_IRQF);
++	if (status & MCF_RTC_ISR_1HZ)
++		events |= (RTC_UF | RTC_IRQF);
++	if (status & PIT_ALL_ON)
++		events |= (RTC_PF | RTC_IRQF);
++
++	if ((status & MCF_RTC_ISR_ALM) && rtc_valid_tm(&g_rtc_alarm))
++		rtc_update_alarm(&pdev->dev, &g_rtc_alarm);
++
++	spin_unlock(&rtc_lock);
++	rtc_update_irq(pdata->rtc, 1, events);
++	return IRQ_HANDLED;
++}
++
++/*!
++ * clear all interrupts and release the IRQ
++ */
++static void mcf_rtc_release(struct device *dev)
++{
++	spin_lock_irq(&rtc_lock);
++	writel(0, MCF_RTC_IER);			/* Disable all rtc interrupts */
++	writel(0x0000FFBF, MCF_RTC_ISR);	/* Clear all interrupt status */
++	spin_unlock_irq(&rtc_lock);
++	rtc_status = 0;
++}
++
++/*!
++ * This function is used to support some ioctl calls directly.
++ * Other ioctl calls are supported indirectly through the
++ * arm/common/rtctime.c file.
++ *
++ * @param  cmd          ioctl command as defined in include/linux/rtc.h
++ * @param  arg          value for the ioctl command
++ *
++ * @return  0 if successful or negative value otherwise.
++ */
++static int mcf_rtc_ioctl(struct device *dev, unsigned int cmd,
++			 unsigned long arg)
++{
++	int i;
++
++	switch (cmd) {
++	case RTC_PIE_OFF:
++		writel((readl(MCF_RTC_IER) & ~PIT_ALL_ON), MCF_RTC_IER);
++		return 0;
++	case RTC_IRQP_SET:
++		if (arg < 2 || arg > MAX_PIE_FREQ || (arg % 2) != 0)
++			return -EINVAL;	/* Also make sure a power of 2Hz */
++		if ((arg > 64) && (!capable(CAP_SYS_RESOURCE)))
++			return -EACCES;
++		rtc_freq = arg;
++		return 0;
++	case RTC_IRQP_READ:
++		return put_user(rtc_freq, (u32 *) arg);
++	case RTC_PIE_ON:
++		for (i = 0; i < MAX_PIE_NUM; i++) {
++			if (PIE_BIT_DEF[i][0] == rtc_freq)
++				break;
++		}
++		if (i == MAX_PIE_NUM)
++			return -EACCES;
++		spin_lock_irq(&rtc_lock);
++		writel((readl(MCF_RTC_IER) | PIE_BIT_DEF[i][1]), MCF_RTC_IER);
++		spin_unlock_irq(&rtc_lock);
++		return 0;
++	case RTC_AIE_OFF:
++		spin_lock_irq(&rtc_lock);
++		writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM), MCF_RTC_IER);
++		spin_unlock_irq(&rtc_lock);
++		return 0;
++
++	case RTC_AIE_ON:
++		spin_lock_irq(&rtc_lock);
++		writel((readl(MCF_RTC_IER) | MCF_RTC_ISR_ALM), MCF_RTC_IER);
++		spin_unlock_irq(&rtc_lock);
++		return 0;
++
++	case RTC_UIE_OFF:	/* UIE is for the 1Hz interrupt */
++		spin_lock_irq(&rtc_lock);
++		writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_1HZ), MCF_RTC_IER);
++		spin_unlock_irq(&rtc_lock);
++		return 0;
++
++	case RTC_UIE_ON:
++		spin_lock_irq(&rtc_lock);
++		writel((readl(MCF_RTC_IER) | MCF_RTC_ISR_1HZ), MCF_RTC_IER);
++		spin_unlock_irq(&rtc_lock);
++		return 0;
++	}
++	return -ENOIOCTLCMD;
++}
++
++/*!
++ * This function reads the current RTC time into tm in Gregorian date.
++ *
++ * @param  tm           contains the RTC time value upon return
++ *
++ * @return  0 if successful; non-zero otherwise.
++ */
++static int mcf_rtc_read_time(struct device *dev, struct rtc_time *tm)
++{
++	u32 val;
++
++	/* Avoid roll-over from reading the different registers */
++	do {
++		val = get_alarm_or_time(dev, MCF_RTC_TIME);
++	} while (val != get_alarm_or_time(dev, MCF_RTC_TIME));
++
++	rtc_time_to_tm(val, tm);
++	return 0;
++}
++
++/*!
++ * This function sets the internal RTC time based on tm in Gregorian date.
++ *
++ * @param  tm           the time value to be set in the RTC
++ *
++ * @return  0 if successful; non-zero otherwise.
++ */
++static int mcf_rtc_set_time(struct device *dev, struct rtc_time *tm)
++{
++	unsigned long time;
++	int ret;
++
++	ret = rtc_tm_to_time(tm, &time);
++	if (ret != 0)
++		return ret;
++
++	/* Avoid roll-over from reading the different registers */
++	do {
++		set_alarm_or_time(dev, MCF_RTC_TIME, time);
++	} while (time != get_alarm_or_time(dev, MCF_RTC_TIME));
++
++	return ret;
++}
++
++/*!
++ * This function reads the current alarm value into the passed in \b alrm
++ * argument. It updates the \b alrm's pending field value based on the whether
++ * an alarm interrupt occurs or not.
++ *
++ * @param  alrm         contains the RTC alarm value upon return
++ *
++ * @return  0 if successful; non-zero otherwise.
++ */
++static int mcf_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
++{
++	rtc_time_to_tm(get_alarm_or_time(dev, MCF_RTC_ALARM), &alrm->time);
++	alrm->pending = ((readl(MCF_RTC_ISR) & MCF_RTC_ISR_ALM) != 0) ? 1 : 0;
++
++	return 0;
++}
++
++/*!
++ * This function sets the RTC alarm based on passed in alrm.
++ *
++ * @param  alrm         the alarm value to be set in the RTC
++ *
++ * @return  0 if successful; non-zero otherwise.
++ */
++static int mcf_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
++{
++	int ret;
++
++	spin_lock_irq(&rtc_lock);
++	if (rtc_valid_tm(&alrm->time)) {
++		if (alrm->time.tm_sec > 59 ||
++		    alrm->time.tm_hour > 23 || alrm->time.tm_min > 59) {
++			ret = -EINVAL;
++			goto out;
++		}
++		ret = rtc_update_alarm(dev, &alrm->time);
++	} else {
++		ret = rtc_valid_tm(&alrm->time);
++		if (ret)
++			goto out;
++		ret = rtc_update_alarm(dev, &alrm->time);
++	}
++
++	if (ret == 0) {
++		memcpy(&g_rtc_alarm, &alrm->time, sizeof(struct rtc_time));
++
++		if (alrm->enabled) {
++			writel((readl(MCF_RTC_IER) | MCF_RTC_ISR_ALM),
++				MCF_RTC_IER);
++		} else {
++			writel((readl(MCF_RTC_IER) & ~MCF_RTC_ISR_ALM),
++				MCF_RTC_IER);
++		}
++	}
++out:
++	spin_unlock_irq(&rtc_lock);
++
++	return ret;
++}
++
++/*!
++ * This function is used to provide the content for the /proc/driver/rtc
++ * file.
++ *
++ * @param  buf		the buffer to hold the information that the driver
++ *			wants to write
++ *
++ * @return  The number of bytes written into the rtc file.
++ */
++static int mcf_rtc_proc(struct device *dev, struct seq_file *sq)
++{
++	char *p = sq->buf;
++
++	p += sprintf(p, "alarm_IRQ\t: %s\n",
++		     (((readl(MCF_RTC_IER)) & MCF_RTC_ISR_ALM) !=
++		      0) ? "yes" : "no");
++	p += sprintf(p, "update_IRQ\t: %s\n",
++		     (((readl(MCF_RTC_IER)) & MCF_RTC_ISR_1HZ) !=
++		      0) ? "yes" : "no");
++	p += sprintf(p, "periodic_IRQ\t: %s\n",
++		     (((readl(MCF_RTC_IER)) & PIT_ALL_ON) !=
++		      0) ? "yes" : "no");
++	p += sprintf(p, "periodic_freq\t: %d\n", rtc_freq);
++
++	return p - (sq->buf);
++}
++
++/*!
++ * The RTC driver structure
++ */
++static struct rtc_class_ops mcf_rtc_ops = {
++	.ioctl = mcf_rtc_ioctl,
++	.read_time = mcf_rtc_read_time,
++	.set_time = mcf_rtc_set_time,
++	.read_alarm = mcf_rtc_read_alarm,
++	.set_alarm = mcf_rtc_set_alarm,
++	.proc = mcf_rtc_proc,
++};
++
++static int __devinit mcf_rtc_probe(struct platform_device *pdev)
++{
++	struct timespec tv;
++	struct rtc_device *rtc;
++	struct rtc_plat_data *pdata = NULL;
++	u32 ret = 0;
++
++	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
++	if (!pdata)
++		return -ENOMEM;
++	/* External clock is hard wired to 32768Hz.
++	 * Clock settings 32K, 38.4K and 48K are defined above. */
++#if defined(CONFIG_M5227x) | defined(CONFIG_M5445X)
++	writel(0, MCF_RTC_GOCU);
++	writel(RTC_INPUT_CLK_32768HZ, MCF_RTC_GOCL);
++#endif
++	/* Configure and enable the RTC */
++	pdata->irq = MCFINT_VECBASE + MCFINT_RTC;
++	if (request_irq(pdata->irq, mcf_rtc_interrupt, IRQF_DISABLED,
++			pdev->name, pdev) < 0) {
++		dev_warn(&pdev->dev, "interrupt not available.\n");
++		pdata->irq = -1;
++	}
++
++	if (test_and_set_bit(1, &rtc_status))
++		return -EBUSY;
++
++	rtc = rtc_device_register(pdev->name, &pdev->dev, &mcf_rtc_ops,
++				THIS_MODULE);
++	if (IS_ERR(rtc)) {
++		ret = PTR_ERR(rtc);
++		if (pdata->irq >= 0)
++			free_irq(pdata->irq, pdev);
++		kfree(pdata);
++		return ret;
++	}
++	pdata->rtc = rtc;
++	platform_set_drvdata(pdev, pdata);
++
++	tv.tv_nsec = 0;
++	tv.tv_sec = get_alarm_or_time(&pdev->dev, MCF_RTC_TIME);
++
++#ifdef CONFIG_M5301x
++	writel(RTC_INPUT_CLK_32768HZ, MCF_RTC_GOC);
++	writel(0x08, MCF_RTC_OCEN);
++#endif
++	writeb(4, MCFSIM_ICR_RTC);
++
++	writel(MCF_RTC_IER_1HZ, MCF_RTC_IER);  /* Unmask the 1Hz timer */
++
++	writel(MCF_RTC_CR_EN, MCF_RTC_CR);
++	if ((readl(MCF_RTC_CR) & MCF_RTC_CR_EN) == 0) {
++		printk(KERN_ALERT "RTC Hardware couldn't be enabled!\n");
++		return -EPERM;
++	}
++
++	printk(KERN_INFO "Real Time Clock Driver v%s\n", RTC_VERSION);
++	return ret;
++}
++
++static int __devexit mcf_rtc_remove(struct platform_device *pdev)
++{
++	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
++
++	rtc_device_unregister(pdata->rtc);
++	if (pdata->irq >= 0)
++		free_irq(pdata->irq, pdev);
++	kfree(pdata);
++	mcf_rtc_release(NULL);
++	return 0;
++}
++
++/*!
++ * Contains pointers to the power management callback functions.
++ */
++MODULE_ALIAS("mcf-rtc");
++static struct platform_driver mcf_rtc_driver = {
++	.driver	= {
++		   .name = "mcf-rtc",
++		   .owner = THIS_MODULE,
++		   },
++	.probe	= mcf_rtc_probe,
++	.remove	= __devexit_p(mcf_rtc_remove),
++};
++
++/*!
++ * This function creates the /proc/driver/rtc file and registers the device RTC
++ * in the /dev/misc directory. It also reads the RTC value from external source
++ * and setup the internal RTC properly.
++ *
++ * @return  -1 if RTC is failed to initialize; 0 is successful.
++ */
++static int __init mcf_rtc_init(void)
++{
++	return platform_driver_register(&mcf_rtc_driver);
++}
++
++/*!
++ * This function removes the /proc/driver/rtc file and un-registers the
++ * device RTC from the /dev/misc directory.
++ */
++static void __exit mcf_rtc_exit(void)
++{
++	platform_driver_unregister(&mcf_rtc_driver);
++
++}
++
++module_init(mcf_rtc_init);
++module_exit(mcf_rtc_exit);
++
++MODULE_AUTHOR("Freescale Semiconductor, Inc.");
++MODULE_DESCRIPTION("Real Time Clock Driver (MCF)");
++MODULE_LICENSE("GPL");