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-rw-r--r--drivers/i2c/busses/Kconfig7
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c209
-rw-r--r--drivers/mmc/host/s3cmci.c2
-rw-r--r--drivers/mtd/nand/s3c2410.c4
-rw-r--r--drivers/rtc/rtc-s3c.c2
-rw-r--r--drivers/serial/Kconfig15
-rw-r--r--drivers/serial/Makefile2
-rw-r--r--drivers/serial/s3c24a0.c118
-rw-r--r--drivers/serial/s3c6400.c151
-rw-r--r--drivers/serial/samsung.c151
-rw-r--r--drivers/serial/samsung.h9
-rw-r--r--drivers/spi/spi_s3c24xx.c2
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c4
-rw-r--r--drivers/watchdog/s3c2410_wdt.c2
14 files changed, 530 insertions, 148 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 7f95905bbb9..1bb4d092c3c 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -455,11 +455,12 @@ config I2C_PXA_SLAVE
I2C bus.
config I2C_S3C2410
- tristate "S3C2410 I2C Driver"
- depends on ARCH_S3C2410
+ tristate "Samsung SoC I2C Driver (S3C24XX and S3C64XX series)"
+ depends on ARCH_S3C2410 || ARCH_S3C64XX
help
Say Y here to include support for I2C controller in the
- Samsung S3C2410 based System-on-Chip devices.
+ Samsung S3C based System-on-Chip devices such as the S3C2410,
+ S3C2440, S3C2442, S3C2443 and S3C6410.
config I2C_SH7760
tristate "Renesas SH7760 I2C Controller"
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 1fac4e23313..ba0006666b3 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -34,14 +34,12 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/cpufreq.h>
+#include <linux/io.h>
-#include <mach/hardware.h>
#include <asm/irq.h>
-#include <asm/io.h>
-#include <mach/regs-gpio.h>
-#include <asm/plat-s3c/regs-iic.h>
-#include <asm/plat-s3c/iic.h>
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
/* i2c controller state */
@@ -56,6 +54,7 @@ enum s3c24xx_i2c_state {
struct s3c24xx_i2c {
spinlock_t lock;
wait_queue_head_t wait;
+ unsigned int suspended:1;
struct i2c_msg *msg;
unsigned int msg_num;
@@ -63,6 +62,7 @@ struct s3c24xx_i2c {
unsigned int msg_ptr;
unsigned int tx_setup;
+ unsigned int irq;
enum s3c24xx_i2c_state state;
unsigned long clkrate;
@@ -70,7 +70,6 @@ struct s3c24xx_i2c {
void __iomem *regs;
struct clk *clk;
struct device *dev;
- struct resource *irq;
struct resource *ioarea;
struct i2c_adapter adap;
@@ -79,16 +78,7 @@ struct s3c24xx_i2c {
#endif
};
-/* default platform data to use if not supplied in the platform_device
-*/
-
-static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = {
- .flags = 0,
- .slave_addr = 0x10,
- .bus_freq = 100*1000,
- .max_freq = 400*1000,
- .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON,
-};
+/* default platform data removed, dev should always carry data. */
/* s3c24xx_i2c_is2440()
*
@@ -102,21 +92,6 @@ static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c)
return !strcmp(pdev->name, "s3c2440-i2c");
}
-
-/* s3c24xx_i2c_get_platformdata
- *
- * get the platform data associated with the given device, or return
- * the default if there is none
-*/
-
-static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev)
-{
- if (dev->platform_data != NULL)
- return (struct s3c2410_platform_i2c *)dev->platform_data;
-
- return &s3c24xx_i2c_default_platform;
-}
-
/* s3c24xx_i2c_master_complete
*
* complete the message and wake up the caller, using the given return code,
@@ -129,7 +104,7 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret)
i2c->msg_ptr = 0;
i2c->msg = NULL;
- i2c->msg_idx ++;
+ i2c->msg_idx++;
i2c->msg_num = 0;
if (ret)
i2c->msg_idx = ret;
@@ -140,19 +115,17 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret)
static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c)
{
unsigned long tmp;
-
+
tmp = readl(i2c->regs + S3C2410_IICCON);
writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
-
}
static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c)
{
unsigned long tmp;
-
+
tmp = readl(i2c->regs + S3C2410_IICCON);
writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON);
-
}
/* irq enable/disable functions */
@@ -160,7 +133,7 @@ static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c)
static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c)
{
unsigned long tmp;
-
+
tmp = readl(i2c->regs + S3C2410_IICCON);
writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
}
@@ -168,7 +141,7 @@ static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c)
static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c)
{
unsigned long tmp;
-
+
tmp = readl(i2c->regs + S3C2410_IICCON);
writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON);
}
@@ -176,10 +149,10 @@ static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c)
/* s3c24xx_i2c_message_start
*
- * put the start of a message onto the bus
+ * put the start of a message onto the bus
*/
-static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
+static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
struct i2c_msg *msg)
{
unsigned int addr = (msg->addr & 0x7f) << 1;
@@ -198,15 +171,15 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
if (msg->flags & I2C_M_REV_DIR_ADDR)
addr ^= 1;
- // todo - check for wether ack wanted or not
+ /* todo - check for wether ack wanted or not */
s3c24xx_i2c_enable_ack(i2c);
iiccon = readl(i2c->regs + S3C2410_IICCON);
writel(stat, i2c->regs + S3C2410_IICSTAT);
-
+
dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr);
writeb(addr, i2c->regs + S3C2410_IICDS);
-
+
/* delay here to ensure the data byte has gotten onto the bus
* before the transaction is started */
@@ -214,8 +187,8 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,
dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon);
writel(iiccon, i2c->regs + S3C2410_IICCON);
-
- stat |= S3C2410_IICSTAT_START;
+
+ stat |= S3C2410_IICSTAT_START;
writel(stat, i2c->regs + S3C2410_IICSTAT);
}
@@ -226,11 +199,11 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret)
dev_dbg(i2c->dev, "STOP\n");
/* stop the transfer */
- iicstat &= ~ S3C2410_IICSTAT_START;
+ iicstat &= ~S3C2410_IICSTAT_START;
writel(iicstat, i2c->regs + S3C2410_IICSTAT);
-
+
i2c->state = STATE_STOP;
-
+
s3c24xx_i2c_master_complete(i2c, ret);
s3c24xx_i2c_disable_irq(i2c);
}
@@ -240,7 +213,7 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret)
/* is_lastmsg()
*
- * returns TRUE if the current message is the last in the set
+ * returns TRUE if the current message is the last in the set
*/
static inline int is_lastmsg(struct s3c24xx_i2c *i2c)
@@ -288,14 +261,14 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
case STATE_STOP:
dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__);
- s3c24xx_i2c_disable_irq(i2c);
+ s3c24xx_i2c_disable_irq(i2c);
goto out_ack;
case STATE_START:
/* last thing we did was send a start condition on the
* bus, or started a new i2c message
*/
-
+
if (iicstat & S3C2410_IICSTAT_LASTBIT &&
!(i2c->msg->flags & I2C_M_IGNORE_NAK)) {
/* ack was not received... */
@@ -321,7 +294,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
if (i2c->state == STATE_READ)
goto prepare_read;
- /* fall through to the write state, as we will need to
+ /* fall through to the write state, as we will need to
* send a byte as well */
case STATE_WRITE:
@@ -338,7 +311,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
}
}
- retry_write:
+ retry_write:
if (!is_msgend(i2c)) {
byte = i2c->msg->buf[i2c->msg_ptr++];
@@ -358,9 +331,9 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
dev_dbg(i2c->dev, "WRITE: Next Message\n");
i2c->msg_ptr = 0;
- i2c->msg_idx ++;
+ i2c->msg_idx++;
i2c->msg++;
-
+
/* check to see if we need to do another message */
if (i2c->msg->flags & I2C_M_NOSTART) {
@@ -374,7 +347,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
goto retry_write;
} else {
-
/* send the new start */
s3c24xx_i2c_message_start(i2c, i2c->msg);
i2c->state = STATE_START;
@@ -388,7 +360,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
break;
case STATE_READ:
- /* we have a byte of data in the data register, do
+ /* we have a byte of data in the data register, do
* something with it, and then work out wether we are
* going to do any more read/write
*/
@@ -396,13 +368,13 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
byte = readb(i2c->regs + S3C2410_IICDS);
i2c->msg->buf[i2c->msg_ptr++] = byte;
- prepare_read:
+ prepare_read:
if (is_msglast(i2c)) {
/* last byte of buffer */
if (is_lastmsg(i2c))
s3c24xx_i2c_disable_ack(i2c);
-
+
} else if (is_msgend(i2c)) {
/* ok, we've read the entire buffer, see if there
* is anything else we need to do */
@@ -428,7 +400,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
/* acknowlegde the IRQ and get back on with the work */
out_ack:
- tmp = readl(i2c->regs + S3C2410_IICCON);
+ tmp = readl(i2c->regs + S3C2410_IICCON);
tmp &= ~S3C2410_IICCON_IRQPEND;
writel(tmp, i2c->regs + S3C2410_IICCON);
out:
@@ -449,19 +421,19 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id)
status = readl(i2c->regs + S3C2410_IICSTAT);
if (status & S3C2410_IICSTAT_ARBITR) {
- // deal with arbitration loss
+ /* deal with arbitration loss */
dev_err(i2c->dev, "deal with arbitration loss\n");
}
if (i2c->state == STATE_IDLE) {
dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n");
- tmp = readl(i2c->regs + S3C2410_IICCON);
+ tmp = readl(i2c->regs + S3C2410_IICCON);
tmp &= ~S3C2410_IICCON_IRQPEND;
writel(tmp, i2c->regs + S3C2410_IICCON);
goto out;
}
-
+
/* pretty much this leaves us with the fact that we've
* transmitted or received whatever byte we last sent */
@@ -484,16 +456,13 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c)
while (timeout-- > 0) {
iicstat = readl(i2c->regs + S3C2410_IICSTAT);
-
+
if (!(iicstat & S3C2410_IICSTAT_BUSBUSY))
return 0;
msleep(1);
}
- dev_dbg(i2c->dev, "timeout: GPEDAT is %08x\n",
- __raw_readl(S3C2410_GPEDAT));
-
return -ETIMEDOUT;
}
@@ -502,12 +471,13 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c)
* this starts an i2c transfer
*/
-static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num)
+static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
+ struct i2c_msg *msgs, int num)
{
unsigned long timeout;
int ret;
- if (!(readl(i2c->regs + S3C2410_IICCON) & S3C2410_IICCON_IRQEN))
+ if (i2c->suspended)
return -EIO;
ret = s3c24xx_i2c_set_master(i2c);
@@ -528,12 +498,12 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int
s3c24xx_i2c_enable_irq(i2c);
s3c24xx_i2c_message_start(i2c, msgs);
spin_unlock_irq(&i2c->lock);
-
+
timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5);
ret = i2c->msg_idx;
- /* having these next two as dev_err() makes life very
+ /* having these next two as dev_err() makes life very
* noisy when doing an i2cdetect */
if (timeout == 0)
@@ -590,19 +560,6 @@ static const struct i2c_algorithm s3c24xx_i2c_algorithm = {
.functionality = s3c24xx_i2c_func,
};
-static struct s3c24xx_i2c s3c24xx_i2c = {
- .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_i2c.lock),
- .wait = __WAIT_QUEUE_HEAD_INITIALIZER(s3c24xx_i2c.wait),
- .tx_setup = 50,
- .adap = {
- .name = "s3c2410-i2c",
- .owner = THIS_MODULE,
- .algo = &s3c24xx_i2c_algorithm,
- .retries = 2,
- .class = I2C_CLASS_HWMON | I2C_CLASS_SPD,
- },
-};
-
/* s3c24xx_i2c_calcdivisor
*
* return the divisor settings for a given frequency
@@ -642,7 +599,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted)
{
int diff = freq - wanted;
- return (diff >= -2 && diff <= 2);
+ return diff >= -2 && diff <= 2;
}
/* s3c24xx_i2c_clockrate
@@ -654,7 +611,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted)
static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
{
- struct s3c2410_platform_i2c *pdata;
+ struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data;
unsigned long clkin = clk_get_rate(i2c->clk);
unsigned int divs, div1;
u32 iiccon;
@@ -662,10 +619,8 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
int start, end;
i2c->clkrate = clkin;
-
- pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent);
clkin /= 1000; /* clkin now in KHz */
-
+
dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n",
pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq);
@@ -773,7 +728,7 @@ static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
/* s3c24xx_i2c_init
*
- * initialise the controller, set the IO lines and frequency
+ * initialise the controller, set the IO lines and frequency
*/
static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
@@ -784,15 +739,15 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
/* get the plafrom data */
- pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent);
+ pdata = i2c->dev->platform_data;
/* inititalise the gpio */
- s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA);
- s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL);
+ if (pdata->cfg_gpio)
+ pdata->cfg_gpio(to_platform_device(i2c->dev));
/* write slave address */
-
+
writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD);
dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr);
@@ -830,12 +785,32 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c)
static int s3c24xx_i2c_probe(struct platform_device *pdev)
{
- struct s3c24xx_i2c *i2c = &s3c24xx_i2c;
+ struct s3c24xx_i2c *i2c;
struct s3c2410_platform_i2c *pdata;
struct resource *res;
int ret;
- pdata = s3c24xx_i2c_get_platformdata(&pdev->dev);
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data\n");
+ return -EINVAL;
+ }
+
+ i2c = kzalloc(sizeof(struct s3c24xx_i2c), GFP_KERNEL);
+ if (!i2c) {
+ dev_err(&pdev->dev, "no memory for state\n");
+ return -ENOMEM;
+ }
+
+ strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name));
+ i2c->adap.owner = THIS_MODULE;
+ i2c->adap.algo = &s3c24xx_i2c_algorithm;
+ i2c->adap.retries = 2;
+ i2c->adap.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
+ i2c->tx_setup = 50;
+
+ spin_lock_init(&i2c->lock);
+ init_waitqueue_head(&i2c->wait);
/* find the clock and enable it */
@@ -877,7 +852,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
goto err_ioarea;
}
- dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res);
+ dev_dbg(&pdev->dev, "registers %p (%p, %p)\n",
+ i2c->regs, i2c->ioarea, res);
/* setup info block for the i2c core */
@@ -891,29 +867,23 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
goto err_iomap;
/* find the IRQ for this unit (note, this relies on the init call to
- * ensure no current IRQs pending
+ * ensure no current IRQs pending
*/
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
+ i2c->irq = ret = platform_get_irq(pdev, 0);
+ if (ret <= 0) {
dev_err(&pdev->dev, "cannot find IRQ\n");
- ret = -ENOENT;
goto err_iomap;
}
- ret = request_irq(res->start, s3c24xx_i2c_irq, IRQF_DISABLED,
- pdev->name, i2c);
+ ret = request_irq(i2c->irq, s3c24xx_i2c_irq, IRQF_DISABLED,
+ dev_name(&pdev->dev), i2c);
if (ret != 0) {
- dev_err(&pdev->dev, "cannot claim IRQ\n");
+ dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
goto err_iomap;
}
- i2c->irq = res;
-
- dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res,
- (unsigned long)res->start);
-
ret = s3c24xx_i2c_register_cpufreq(i2c);
if (ret < 0) {
dev_err(&pdev->dev, "failed to register cpufreq notifier\n");
@@ -943,7 +913,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
s3c24xx_i2c_deregister_cpufreq(i2c);
err_irq:
- free_irq(i2c->irq->start, i2c);
+ free_irq(i2c->irq, i2c);
err_iomap:
iounmap(i2c->regs);
@@ -957,6 +927,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
clk_put(i2c->clk);
err_noclk:
+ kfree(i2c);
return ret;
}
@@ -972,7 +943,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
s3c24xx_i2c_deregister_cpufreq(i2c);
i2c_del_adapter(&i2c->adap);
- free_irq(i2c->irq->start, i2c);
+ free_irq(i2c->irq, i2c);
clk_disable(i2c->clk);
clk_put(i2c->clk);
@@ -981,22 +952,32 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
release_resource(i2c->ioarea);
kfree(i2c->ioarea);
+ kfree(i2c);
return 0;
}
#ifdef CONFIG_PM
+static int s3c24xx_i2c_suspend_late(struct platform_device *dev,
+ pm_message_t msg)
+{
+ struct s3c24xx_i2c *i2c = platform_get_drvdata(dev);
+ i2c->suspended = 1;
+ return 0;
+}
+
static int s3c24xx_i2c_resume(struct platform_device *dev)
{
struct s3c24xx_i2c *i2c = platform_get_drvdata(dev);
- if (i2c != NULL)
- s3c24xx_i2c_init(i2c);
+ i2c->suspended = 0;
+ s3c24xx_i2c_init(i2c);
return 0;
}
#else
+#define s3c24xx_i2c_suspend_late NULL
#define s3c24xx_i2c_resume NULL
#endif
@@ -1005,6 +986,7 @@ static int s3c24xx_i2c_resume(struct platform_device *dev)
static struct platform_driver s3c2410_i2c_driver = {
.probe = s3c24xx_i2c_probe,
.remove = s3c24xx_i2c_remove,
+ .suspend_late = s3c24xx_i2c_suspend_late,
.resume = s3c24xx_i2c_resume,
.driver = {
.owner = THIS_MODULE,
@@ -1015,6 +997,7 @@ static struct platform_driver s3c2410_i2c_driver = {
static struct platform_driver s3c2440_i2c_driver = {
.probe = s3c24xx_i2c_probe,
.remove = s3c24xx_i2c_remove,
+ .suspend_late = s3c24xx_i2c_suspend_late,
.resume = s3c24xx_i2c_resume,
.driver = {
.owner = THIS_MODULE,
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 3b2085b5776..fcc98a4cce3 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -25,7 +25,7 @@
#include <mach/regs-sdi.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/mci.h>
+#include <plat/mci.h>
#include "s3cmci.h"
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 556139ed1fd..098f5162388 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -45,8 +45,8 @@
#include <asm/io.h>
-#include <asm/plat-s3c/regs-nand.h>
-#include <asm/plat-s3c/nand.h>
+#include <plat/regs-nand.h>
+#include <plat/nand.h>
#ifdef CONFIG_MTD_NAND_S3C2410_HWECC
static int hardware_ecc = 1;
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index f59277bbeda..7a568beba3f 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -26,7 +26,7 @@
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
-#include <asm/plat-s3c/regs-rtc.h>
+#include <plat/regs-rtc.h>
/* I have yet to find an S3C implementation with more than one
* of these rtc blocks in */
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 579d63a81aa..e4ae499e587 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -447,7 +447,7 @@ config SERIAL_CLPS711X_CONSOLE
config SERIAL_SAMSUNG
tristate "Samsung SoC serial support"
- depends on ARM && PLAT_S3C24XX
+ depends on ARM && PLAT_S3C
select SERIAL_CORE
help
Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
@@ -508,7 +508,20 @@ config SERIAL_S3C2440
help
Serial port support for the Samsung S3C2440 and S3C2442 SoC
+config SERIAL_S3C24A0
+ tristate "Samsung S3C24A0 Serial port support"
+ depends on SERIAL_SAMSUNG && CPU_S3C24A0
+ default y if CPU_S3C24A0
+ help
+ Serial port support for the Samsung S3C24A0 SoC
+config SERIAL_S3C6400
+ tristate "Samsung S3C6400/S3C6410 Serial port support"
+ depends on SERIAL_SAMSUNG && (CPU_S3C600 || CPU_S3C6410)
+ default y
+ help
+ Serial port support for the Samsung S3C6400 and S3C6410
+ SoCs
config SERIAL_DZ
bool "DECstation DZ serial driver"
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 0c17c8ddb19..dfe775ac45b 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -41,6 +41,8 @@ obj-$(CONFIG_SERIAL_S3C2400) += s3c2400.o
obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o
obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o
obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
+obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
+obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
obj-$(CONFIG_SERIAL_MUX) += mux.o
obj-$(CONFIG_SERIAL_68328) += 68328serial.o
diff --git a/drivers/serial/s3c24a0.c b/drivers/serial/s3c24a0.c
new file mode 100644
index 00000000000..ebf2fd3c8f7
--- /dev/null
+++ b/drivers/serial/s3c24a0.c
@@ -0,0 +1,118 @@
+/* linux/drivers/serial/s3c24a0.c
+ *
+ * Driver for Samsung S3C24A0 SoC onboard UARTs.
+ *
+ * Based on drivers/serial/s3c2410.c
+ *
+ * Author: Sandeep Patil <sandeep.patil@azingo.com>
+ *
+ * Ben Dooks, Copyright (c) 2003-2005,2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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 <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+
+#include <mach/hardware.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-gpio.h>
+
+#include "samsung.h"
+
+static int s3c24a0_serial_setsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ if (strcmp(clk->name, "uclk") == 0)
+ ucon |= S3C2410_UCON_UCLK;
+ else
+ ucon &= ~S3C2410_UCON_UCLK;
+
+ wr_regl(port, S3C2410_UCON, ucon);
+ return 0;
+}
+
+static int s3c24a0_serial_getsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ clk->divisor = 1;
+ clk->name = (ucon & S3C2410_UCON_UCLK) ? "uclk" : "pclk";
+
+ return 0;
+}
+
+static int s3c24a0_serial_resetport(struct uart_port *port,
+ struct s3c2410_uartcfg *cfg)
+{
+ dbg("s3c24a0_serial_resetport: port=%p (%08lx), cfg=%p\n",
+ port, port->mapbase, cfg);
+
+ wr_regl(port, S3C2410_UCON, cfg->ucon);
+ wr_regl(port, S3C2410_ULCON, cfg->ulcon);
+
+ /* reset both fifos */
+
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon);
+
+ return 0;
+}
+
+static struct s3c24xx_uart_info s3c24a0_uart_inf = {
+ .name = "Samsung S3C24A0 UART",
+ .type = PORT_S3C2410,
+ .fifosize = 16,
+ .rx_fifomask = S3C24A0_UFSTAT_RXMASK,
+ .rx_fifoshift = S3C24A0_UFSTAT_RXSHIFT,
+ .rx_fifofull = S3C24A0_UFSTAT_RXFULL,
+ .tx_fifofull = S3C24A0_UFSTAT_TXFULL,
+ .tx_fifomask = S3C24A0_UFSTAT_TXMASK,
+ .tx_fifoshift = S3C24A0_UFSTAT_TXSHIFT,
+ .get_clksrc = s3c24a0_serial_getsource,
+ .set_clksrc = s3c24a0_serial_setsource,
+ .reset_port = s3c24a0_serial_resetport,
+};
+
+static int s3c24a0_serial_probe(struct platform_device *dev)
+{
+ return s3c24xx_serial_probe(dev, &s3c24a0_uart_inf);
+}
+
+static struct platform_driver s3c24a0_serial_drv = {
+ .probe = s3c24a0_serial_probe,
+ .remove = s3c24xx_serial_remove,
+ .driver = {
+ .name = "s3c24a0-uart",
+ .owner = THIS_MODULE,
+ },
+};
+
+s3c24xx_console_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+
+static int __init s3c24a0_serial_init(void)
+{
+ return s3c24xx_serial_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+}
+
+static void __exit s3c24a0_serial_exit(void)
+{
+ platform_driver_unregister(&s3c24a0_serial_drv);
+}
+
+module_init(s3c24a0_serial_init);
+module_exit(s3c24a0_serial_exit);
+
diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c
new file mode 100644
index 00000000000..06936d13393
--- /dev/null
+++ b/drivers/serial/s3c6400.c
@@ -0,0 +1,151 @@
+/* linux/drivers/serial/s3c6400.c
+ *
+ * Driver for Samsung S3C6400 and S3C6410 SoC onboard UARTs.
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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 <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+
+#include <asm/irq.h>
+#include <mach/hardware.h>
+
+#include <plat/regs-serial.h>
+
+#include "samsung.h"
+
+static int s3c6400_serial_setsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ if (strcmp(clk->name, "uclk0") == 0) {
+ ucon &= ~S3C6400_UCON_CLKMASK;
+ ucon |= S3C6400_UCON_UCLK0;
+ } else if (strcmp(clk->name, "uclk1") == 0)
+ ucon |= S3C6400_UCON_UCLK1;
+ else if (strcmp(clk->name, "pclk") == 0) {
+ /* See notes about transitioning from UCLK to PCLK */
+ ucon &= ~S3C6400_UCON_UCLK0;
+ } else {
+ printk(KERN_ERR "unknown clock source %s\n", clk->name);
+ return -EINVAL;
+ }
+
+ wr_regl(port, S3C2410_UCON, ucon);
+ return 0;
+}
+
+
+static int s3c6400_serial_getsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ u32 ucon = rd_regl(port, S3C2410_UCON);
+
+ clk->divisor = 1;
+
+ switch (ucon & S3C6400_UCON_CLKMASK) {
+ case S3C6400_UCON_UCLK0:
+ clk->name = "uclk0";
+ break;
+
+ case S3C6400_UCON_UCLK1:
+ clk->name = "uclk1";
+ break;
+
+ case S3C6400_UCON_PCLK:
+ case S3C6400_UCON_PCLK2:
+ clk->name = "pclk";
+ break;
+ }
+
+ return 0;
+}
+
+static int s3c6400_serial_resetport(struct uart_port *port,
+ struct s3c2410_uartcfg *cfg)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ dbg("s3c6400_serial_resetport: port=%p (%08lx), cfg=%p\n",
+ port, port->mapbase, cfg);
+
+ /* ensure we don't change the clock settings... */
+
+ ucon &= S3C6400_UCON_CLKMASK;
+
+ wr_regl(port, S3C2410_UCON, ucon | cfg->ucon);
+ wr_regl(port, S3C2410_ULCON, cfg->ulcon);
+
+ /* reset both fifos */
+
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon);
+
+ return 0;
+}
+
+static struct s3c24xx_uart_info s3c6400_uart_inf = {
+ .name = "Samsung S3C6400 UART",
+ .type = PORT_S3C6400,
+ .fifosize = 64,
+ .rx_fifomask = S3C2440_UFSTAT_RXMASK,
+ .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT,
+ .rx_fifofull = S3C2440_UFSTAT_RXFULL,
+ .tx_fifofull = S3C2440_UFSTAT_TXFULL,
+ .tx_fifomask = S3C2440_UFSTAT_TXMASK,
+ .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT,
+ .get_clksrc = s3c6400_serial_getsource,
+ .set_clksrc = s3c6400_serial_setsource,
+ .reset_port = s3c6400_serial_resetport,
+};
+
+/* device management */
+
+static int s3c6400_serial_probe(struct platform_device *dev)
+{
+ dbg("s3c6400_serial_probe: dev=%p\n", dev);
+ return s3c24xx_serial_probe(dev, &s3c6400_uart_inf);
+}
+
+static struct platform_driver s3c6400_serial_drv = {
+ .probe = s3c6400_serial_probe,
+ .remove = s3c24xx_serial_remove,
+ .driver = {
+ .name = "s3c6400-uart",
+ .owner = THIS_MODULE,
+ },
+};
+
+s3c24xx_console_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+
+static int __init s3c6400_serial_init(void)
+{
+ return s3c24xx_serial_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+}
+
+static void __exit s3c6400_serial_exit(void)
+{
+ platform_driver_unregister(&s3c6400_serial_drv);
+}
+
+module_init(s3c6400_serial_init);
+module_exit(s3c6400_serial_exit);
+
+MODULE_DESCRIPTION("Samsung S3C6400,S3C6410 SoC Serial port driver");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:s3c6400-uart");
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index 1e219d3d035..ba2e8685f9f 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -42,13 +42,14 @@
#include <linux/serial.h>
#include <linux/delay.h>
#include <linux/clk.h>
+#include <linux/cpufreq.h>
#include <asm/irq.h>
#include <mach/hardware.h>
+#include <mach/map.h>
#include <plat/regs-serial.h>
-#include <mach/regs-gpio.h>
#include "samsung.h"
@@ -60,17 +61,12 @@
/* we can support 3 uarts, but not always use them */
-#ifdef CONFIG_CPU_S3C2400
+#if defined(CONFIG_CPU_S3C2400) || defined(CONFIG_CPU_S3C24A0)
#define NR_PORTS (2)
#else
#define NR_PORTS (3)
#endif
-/* port irq numbers */
-
-#define TX_IRQ(port) ((port)->irq + 1)
-#define RX_IRQ(port) ((port)->irq)
-
/* macros to change one thing to another */
#define tx_enabled(port) ((port)->unused[0])
@@ -136,8 +132,10 @@ static void s3c24xx_serial_rx_disable(struct uart_port *port)
static void s3c24xx_serial_stop_tx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (tx_enabled(port)) {
- disable_irq(TX_IRQ(port));
+ disable_irq(ourport->tx_irq);
tx_enabled(port) = 0;
if (port->flags & UPF_CONS_FLOW)
s3c24xx_serial_rx_enable(port);
@@ -146,11 +144,13 @@ static void s3c24xx_serial_stop_tx(struct uart_port *port)
static void s3c24xx_serial_start_tx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (!tx_enabled(port)) {
if (port->flags & UPF_CONS_FLOW)
s3c24xx_serial_rx_disable(port);
- enable_irq(TX_IRQ(port));
+ enable_irq(ourport->tx_irq);
tx_enabled(port) = 1;
}
}
@@ -158,9 +158,11 @@ static void s3c24xx_serial_start_tx(struct uart_port *port)
static void s3c24xx_serial_stop_rx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (rx_enabled(port)) {
dbg("s3c24xx_serial_stop_rx: port=%p\n", port);
- disable_irq(RX_IRQ(port));
+ disable_irq(ourport->rx_irq);
rx_enabled(port) = 0;
}
}
@@ -384,13 +386,13 @@ static void s3c24xx_serial_shutdown(struct uart_port *port)
struct s3c24xx_uart_port *ourport = to_ourport(port);
if (ourport->tx_claimed) {
- free_irq(TX_IRQ(port), ourport);
+ free_irq(ourport->tx_irq, ourport);
tx_enabled(port) = 0;
ourport->tx_claimed = 0;
}
if (ourport->rx_claimed) {
- free_irq(RX_IRQ(port), ourport);
+ free_irq(ourport->rx_irq, ourport);
ourport->rx_claimed = 0;
rx_enabled(port) = 0;
}
@@ -407,12 +409,11 @@ static int s3c24xx_serial_startup(struct uart_port *port)
rx_enabled(port) = 1;
- ret = request_irq(RX_IRQ(port),
- s3c24xx_serial_rx_chars, 0,
+ ret = request_irq(ourport->rx_irq, s3c24xx_serial_rx_chars, 0,
s3c24xx_serial_portname(port), ourport);
if (ret != 0) {
- printk(KERN_ERR "cannot get irq %d\n", RX_IRQ(port));
+ printk(KERN_ERR "cannot get irq %d\n", ourport->rx_irq);
return ret;
}
@@ -422,12 +423,11 @@ static int s3c24xx_serial_startup(struct uart_port *port)
tx_enabled(port) = 1;
- ret = request_irq(TX_IRQ(port),
- s3c24xx_serial_tx_chars, 0,
+ ret = request_irq(ourport->tx_irq, s3c24xx_serial_tx_chars, 0,
s3c24xx_serial_portname(port), ourport);
if (ret) {
- printk(KERN_ERR "cannot get irq %d\n", TX_IRQ(port));
+ printk(KERN_ERR "cannot get irq %d\n", ourport->tx_irq);
goto err;
}
@@ -452,6 +452,8 @@ static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
+ ourport->pm_level = level;
+
switch (level) {
case 3:
if (!IS_ERR(ourport->baudclk) && ourport->baudclk != NULL)
@@ -661,6 +663,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
ourport->clksrc = clksrc;
ourport->baudclk = clk;
+ ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0;
}
switch (termios->c_cflag & CSIZE) {
@@ -752,6 +755,8 @@ static const char *s3c24xx_serial_type(struct uart_port *port)
return "S3C2440";
case PORT_S3C2412:
return "S3C2412";
+ case PORT_S3C6400:
+ return "S3C6400/10";
default:
return NULL;
}
@@ -890,6 +895,93 @@ static inline int s3c24xx_serial_resetport(struct uart_port *port,
return (info->reset_port)(port, cfg);
}
+
+#ifdef CONFIG_CPU_FREQ
+
+static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ struct s3c24xx_uart_port *port;
+ struct uart_port *uport;
+
+ port = container_of(nb, struct s3c24xx_uart_port, freq_transition);
+ uport = &port->port;
+
+ /* check to see if port is enabled */
+
+ if (port->pm_level != 0)
+ return 0;
+
+ /* try and work out if the baudrate is changing, we can detect
+ * a change in rate, but we do not have support for detecting
+ * a disturbance in the clock-rate over the change.
+ */
+
+ if (IS_ERR(port->clk))
+ goto exit;
+
+ if (port->baudclk_rate == clk_get_rate(port->clk))
+ goto exit;
+
+ if (val == CPUFREQ_PRECHANGE) {
+ /* we should really shut the port down whilst the
+ * frequency change is in progress. */
+
+ } else if (val == CPUFREQ_POSTCHANGE) {
+ struct ktermios *termios;
+ struct tty_struct *tty;
+
+ if (uport->info == NULL) {
+ printk(KERN_WARNING "%s: info NULL\n", __func__);
+ goto exit;
+ }
+
+ tty = uport->info->port.tty;
+
+ if (tty == NULL) {
+ printk(KERN_WARNING "%s: tty is NULL\n", __func__);
+ goto exit;
+ }
+
+ termios = tty->termios;
+
+ if (termios == NULL) {
+ printk(KERN_WARNING "%s: no termios?\n", __func__);
+ goto exit;
+ }
+
+ s3c24xx_serial_set_termios(uport, termios, NULL);
+ }
+
+ exit:
+ return 0;
+}
+
+static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+{
+ port->freq_transition.notifier_call = s3c24xx_serial_cpufreq_transition;
+
+ return cpufreq_register_notifier(&port->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+{
+ cpufreq_unregister_notifier(&port->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+#else
+static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+{
+ return 0;
+}
+
+static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+{
+}
+#endif
+
/* s3c24xx_serial_init_port
*
* initialise a single serial port from the platform device given
@@ -943,18 +1035,26 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
- port->mapbase = res->start;
- port->membase = S3C24XX_VA_UART + (res->start - S3C24XX_PA_UART);
+ port->mapbase = res->start;
+ port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000);
ret = platform_get_irq(platdev, 0);
if (ret < 0)
port->irq = 0;
- else
+ else {
port->irq = ret;
+ ourport->rx_irq = ret;
+ ourport->tx_irq = ret + 1;
+ }
+
+ ret = platform_get_irq(platdev, 1);
+ if (ret > 0)
+ ourport->tx_irq = ret;
ourport->clk = clk_get(&platdev->dev, "uart");
- dbg("port: map=%08x, mem=%08x, irq=%d, clock=%ld\n",
- port->mapbase, port->membase, port->irq, port->uartclk);
+ dbg("port: map=%08x, mem=%08x, irq=%d (%d,%d), clock=%ld\n",
+ port->mapbase, port->membase, port->irq,
+ ourport->rx_irq, ourport->tx_irq, port->uartclk);
/* reset the fifos (and setup the uart) */
s3c24xx_serial_resetport(port, cfg);
@@ -1002,6 +1102,10 @@ int s3c24xx_serial_probe(struct platform_device *dev,
if (ret < 0)
printk(KERN_ERR "%s: failed to add clksrc attr.\n", __func__);
+ ret = s3c24xx_serial_cpufreq_register(ourport);
+ if (ret < 0)
+ dev_err(&dev->dev, "failed to add cpufreq notifier\n");
+
return 0;
probe_err:
@@ -1015,6 +1119,7 @@ int s3c24xx_serial_remove(struct platform_device *dev)
struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
if (port) {
+ s3c24xx_serial_cpufreq_deregister(to_ourport(port));
device_remove_file(&dev->dev, &dev_attr_clock_source);
uart_remove_one_port(&s3c24xx_uart_drv, port);
}
diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h
index 5c92ebbe7d9..571d6b90d20 100644
--- a/drivers/serial/samsung.h
+++ b/drivers/serial/samsung.h
@@ -33,12 +33,21 @@ struct s3c24xx_uart_info {
struct s3c24xx_uart_port {
unsigned char rx_claimed;
unsigned char tx_claimed;
+ unsigned int pm_level;
+ unsigned long baudclk_rate;
+
+ unsigned int rx_irq;
+ unsigned int tx_irq;
struct s3c24xx_uart_info *info;
struct s3c24xx_uart_clksrc *clksrc;
struct clk *clk;
struct clk *baudclk;
struct uart_port port;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+#endif
};
/* conversion functions */
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index c252cbac00f..256d18395a2 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -28,7 +28,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/regs-spi.h>
+#include <plat/regs-spi.h>
#include <mach/spi.h>
struct s3c24xx_spi {
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 00ba06b4475..8d8d6516598 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -53,8 +53,8 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/regs-udc.h>
-#include <asm/plat-s3c24xx/udc.h>
+#include <plat/regs-udc.h>
+#include <plat/udc.h>
#include "s3c2410_udc.h"
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index f7f6ce82a5e..e31925ee834 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -42,7 +42,7 @@
#undef S3C_VA_WATCHDOG
#define S3C_VA_WATCHDOG (0)
-#include <asm/plat-s3c/regs-watchdog.h>
+#include <plat/regs-watchdog.h>
#define PFX "s3c2410-wdt: "