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-rw-r--r--drivers/tty/serial/serial_mvf.c647
1 files changed, 149 insertions, 498 deletions
diff --git a/drivers/tty/serial/serial_mvf.c b/drivers/tty/serial/serial_mvf.c
index c0b5692856cb..fa2719a5f662 100644
--- a/drivers/tty/serial/serial_mvf.c
+++ b/drivers/tty/serial/serial_mvf.c
@@ -25,19 +25,42 @@
*
*/
-
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/sysrq.h>
+#include <linux/platform_device.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/rational.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <mach/dma.h>
+#include <mach/hardware.h>
#include <mach/mvf_uart.h>
+#define SERIAL_MVF_MAJOR 207
+#define MINOR_START 16
#define DRIVER_NAME "MVF-uart"
+#define DEV_NAME "ttymxc"
#define UART_NR 6
struct mvf_port {
struct uart_port port;
- struct time_list timer;
+ struct timer_list timer;
unsigned int old_status;
- int txirq,rxirqmrtsirq;
- unsigned int
+ int txirq,rxirq,rtsirq;
+ struct clk *clk;
+
};
#ifdef CONFIG_IRDA
@@ -56,42 +79,36 @@ static inline int mvf_set_bps(struct mvf_port *sport,
bdl = (sbr&0xff);
writeb(bdh, sport->port.membase + MVF_UART_BDH);
writeb(bdl, sport->port.membase + MVF_UART_BDL);
-
+ return 0;
}
-static inline mvf_set_paerity(struct mvf_port *sport,
- unsigned long base,unsigned short )
+static inline void mvf_set_paerity(struct mvf_port *sport,
+ unsigned long base,unsigned short parity)
+{
+ /*
+ * TBD
+ */
+}
static inline int mvf_uart_enable(struct mvf_port *sport)
{
- unsinged char c2;
+ unsigned char c2;
c2 = readb(sport->port.membase + MVF_UART_C2);
c2 |= (UART_C2_TE | UART_C2_RE);
writeb(c2, sport->port.membase + MVF_UART_C2);
-
+ return 0;
}
static inline int mvf_uart_disable(struct mvf_port *sport)
{
+ unsigned char c2;
c2 = readb(sport->port.membase + MVF_UART_C2);
c2 &= ~(UART_C2_TE | UART_C2_RE);
writeb(c2, sport->port.membase + MVF_UART_C2);
-
+ return 0;
}
/*
- * Handle any change of modem status signal since we were last called.
- */
-static void mvf_mctrl_check(struct mvf_port *sport)
-{
- /*
- * TDB
- */
- return ;
-
-}
-
-/*
* This is our per-port timeout handler, for checking the
* modem status signals.
*/
@@ -108,53 +125,10 @@ static void mvf_timeout(unsigned long data)
*/
static void mvf_stop_tx(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long temp;
-
- if (USE_IRDA(sport)) {
- /* half duplex - wait for end of transmission */
- int n = 256;
- while ((--n > 0) &&
- !(readb(sport->port.membase + USR2) & USR2_TXDC)) {
- udelay(5);
- barrier();
- }
- /*
- * irda transceiver - wait a bit more to avoid
- * cutoff, hardware dependent
- */
- udelay(sport->trcv_delay);
-
- /*
- * half duplex - reactivate receive mode,
- * flush receive pipe echo crap
- */
- if (readb(sport->port.membase + USR2) & USR2_TXDC) {
- temp = readb(sport->port.membase + UCR1);
- temp &= ~(UCR1_TXMPTYEN | UCR1_TRDYEN);
- writeb(temp, sport->port.membase + UCR1);
-
- temp = readb(sport->port.membase + UCR4);
- temp &= ~(UCR4_TCEN);
- writeb(temp, sport->port.membase + UCR4);
-
- while (readb(sport->port.membase + URXD0) &
- URXD_CHARRDY)
- barrier();
-
- temp = readb(sport->port.membase + UCR1);
- temp |= UCR1_RRDYEN;
- writeb(temp, sport->port.membase + UCR1);
-
- temp = readb(sport->port.membase + UCR4);
- temp |= UCR4_DREN;
- writeb(temp, sport->port.membase + UCR4);
- }
- return;
- }
-
- temp = readb(sport->port.membase + UCR1);
- writeb(temp & ~UCR1_TXMPTYEN, sport->port.membase + UCR1);
+ /*
+ * TBD
+ */
+ return ;
}
/*
@@ -162,11 +136,10 @@ static void mvf_stop_tx(struct uart_port *port)
*/
static void mvf_stop_rx(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long temp;
-
- temp = readb(sport->port.membase + UCR2);
- writeb(temp &~ UCR2_RXEN, sport->port.membase + UCR2);
+ /*
+ * TBD
+ */
+ return ;
}
/*
@@ -174,29 +147,18 @@ static void mvf_stop_rx(struct uart_port *port)
*/
static void mvf_enable_ms(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
-
- mod_timer(&sport->timer, jiffies);
+ /*
+ * TBD
+ */
+ return ;
}
static inline void mvf_transmit_buffer(struct mvf_port *sport)
{
- struct circ_buf *xmit = &sport->port.state->xmit;
-
- while (!uart_circ_empty(xmit) &&
- !(readb(sport->port.membase + UTS) & UTS_TXFULL)) {
- /* send xmit->buf[xmit->tail]
- * out the port here */
- writeb(xmit->buf[xmit->tail], sport->port.membase + URTX0);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- sport->port.icount.tx++;
- }
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(&sport->port);
-
- if (uart_circ_empty(xmit))
- mvf_stop_tx(&sport->port);
+ /*
+ * TBD
+ */
+ return ;
}
@@ -205,178 +167,56 @@ static inline void mvf_transmit_buffer(struct mvf_port *sport)
*/
static void mvf_start_tx(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long temp;
-
- if (USE_IRDA(sport)) {
- /* half duplex in IrDA mode; have to disable receive mode */
- temp = readb(sport->port.membase + UCR4);
- temp &= ~(UCR4_DREN);
- writeb(temp, sport->port.membase + UCR4);
-
- temp = readb(sport->port.membase + UCR1);
- temp &= ~(UCR1_RRDYEN);
- writeb(temp, sport->port.membase + UCR1);
- }
-
-
- if (USE_IRDA(sport)) {
- temp = readb(sport->port.membase + UCR1);
- temp |= UCR1_TRDYEN;
- writeb(temp, sport->port.membase + UCR1);
-
- temp = readb(sport->port.membase + UCR4);
- temp |= UCR4_TCEN;
- writeb(temp, sport->port.membase + UCR4);
- }
-
-
- if (readb(sport->port.membase + UTS) & UTS_TXEMPTY)
- mvf_transmit_buffer(sport);
+ /*
+ * TBD
+ */
+ return ;
}
+#if 0
static irqreturn_t mvf_rtsint(int irq, void *dev_id)
{
- struct mvf_port *sport = dev_id;
- unsigned int val;
- unsigned long flags;
-
- spin_lock_irqsave(&sport->port.lock, flags);
-
- writeb(USR1_RTSD, sport->port.membase + USR1);
- val = readb(sport->port.membase + USR1) & USR1_RTSS;
- uart_handle_cts_change(&sport->port, !!val);
- wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
-
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ /*
+ * TBD
+ */
return IRQ_HANDLED;
}
static irqreturn_t mvf_txint(int irq, void *dev_id)
{
- struct mvf_port *sport = dev_id;
- struct circ_buf *xmit = &sport->port.state->xmit;
- unsigned long flags;
-
- spin_lock_irqsave(&sport->port.lock,flags);
- if (sport->port.x_char)
- {
- /* Send next char */
- writeb(sport->port.x_char, sport->port.membase + URTX0);
- goto out;
- }
-
- if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) {
- mvf_stop_tx(&sport->port);
- goto out;
- }
-
- mvf_transmit_buffer(sport);
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(&sport->port);
-
-out:
- spin_unlock_irqrestore(&sport->port.lock,flags);
+ /*
+ * TBD
+ */
return IRQ_HANDLED;
}
static irqreturn_t mvf_rxint(int irq, void *dev_id)
{
- struct mvf_port *sport = dev_id;
- unsigned int rx,flg,ignored = 0;
- struct tty_struct *tty = sport->port.state->port.tty;
- unsigned long flags, temp;
-
- spin_lock_irqsave(&sport->port.lock,flags);
-
- while (readb(sport->port.membase + USR2) & USR2_RDR) {
- flg = TTY_NORMAL;
- sport->port.icount.rx++;
-
- rx = readb(sport->port.membase + URXD0);
-
- temp = readb(sport->port.membase + USR2);
- if (temp & USR2_BRCD) {
- writeb(USR2_BRCD, sport->port.membase + USR2);
- if (uart_handle_break(&sport->port))
- continue;
- }
-
- if (uart_handle_sysrq_char(&sport->port, (unsigned char)rx))
- continue;
-
- if (rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) ) {
- if (rx & URXD_PRERR)
- sport->port.icount.parity++;
- else if (rx & URXD_FRMERR)
- sport->port.icount.frame++;
- if (rx & URXD_OVRRUN)
- sport->port.icount.overrun++;
-
- if (rx & sport->port.ignore_status_mask) {
- if (++ignored > 100)
- goto out;
- continue;
- }
-
- rx &= sport->port.read_status_mask;
-
- if (rx & URXD_PRERR)
- flg = TTY_PARITY;
- else if (rx & URXD_FRMERR)
- flg = TTY_FRAME;
- if (rx & URXD_OVRRUN)
- flg = TTY_OVERRUN;
-
-#ifdef SUPPORT_SYSRQ
- sport->port.sysrq = 0;
-#endif
- }
-
- tty_insert_flip_char(tty, rx, flg);
- }
-
-out:
- spin_unlock_irqrestore(&sport->port.lock,flags);
- tty_flip_buffer_push(tty);
+ /*
+ * TBD
+ */
return IRQ_HANDLED;
}
static irqreturn_t mvf_int(int irq, void *dev_id)
{
- struct mvf_port *sport = dev_id;
- unsigned int sts;
-
- sts = readb(sport->port.membase + USR1);
-
- if (sts & USR1_RRDY) {
- mvf_rxint(irq, dev_id);
- }
-
- if (sts & USR1_TRDY &&
- readb(sport->port.membase + UCR1) & UCR1_TXMPTYEN)
- mvf_txint(irq, dev_id);
-
- if (sts & USR1_RTSD)
- mvf_rtsint(irq, dev_id);
-
- if (sts & USR1_AWAKE)
- writeb(USR1_AWAKE, sport->port.membase + USR1);
-
+ /*
+ * TBD
+ */
return IRQ_HANDLED;
}
-
+#endif
/*
* Return TIOCSER_TEMT when transmitter is not busy.
*/
static unsigned int mvf_tx_empty(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
-
- return (readb(sport->port.membase + USR2) & USR2_TXDC) ? TIOCSER_TEMT : 0;
+ /*
+ * TBD
+ */
+ return 0;
}
/*
@@ -384,29 +224,18 @@ static unsigned int mvf_tx_empty(struct uart_port *port)
*/
static unsigned int mvf_get_mctrl(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
unsigned int tmp = TIOCM_DSR | TIOCM_CAR;
-
- if (readb(sport->port.membase + USR1) & USR1_RTSS)
- tmp |= TIOCM_CTS;
-
- if (readb(sport->port.membase + UCR2) & UCR2_CTS)
- tmp |= TIOCM_RTS;
-
+ /*
+ * TBD
+ */
return tmp;
}
static void mvf_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long temp;
-
- temp = readb(sport->port.membase + UCR2) & ~UCR2_CTS;
-
- if (mctrl & TIOCM_RTS)
- temp |= UCR2_CTS;
-
- writeb(temp, sport->port.membase + UCR2);
+ /*
+ * TBD
+ */
}
/*
@@ -414,19 +243,9 @@ static void mvf_set_mctrl(struct uart_port *port, unsigned int mctrl)
*/
static void mvf_break_ctl(struct uart_port *port, int break_state)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long flags, temp;
-
- spin_lock_irqsave(&sport->port.lock, flags);
-
- temp = readb(sport->port.membase + UCR1) & ~UCR1_SNDBRK;
-
- if ( break_state != 0 )
- temp |= UCR1_SNDBRK;
-
- writeb(temp, sport->port.membase + UCR1);
-
- spin_unlock_irqrestore(&sport->port.lock, flags);
+ /*
+ * TBD
+ */
}
#define TXTL 2 /* reset default */
@@ -435,199 +254,17 @@ static void mvf_break_ctl(struct uart_port *port, int break_state)
static int mvf_startup(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- int retval;
- unsigned long flags, temp;
- struct tty_struct *tty;
-
-
- /* disable the DREN bit (Data Ready interrupt enable) before
- * requesting IRQs
- */
- temp = readb(sport->port.membase + UCR4);
-
- if (USE_IRDA(sport))
- temp |= UCR4_IRSC;
-
- /* set the trigger level for CTS */
- temp &= ~(UCR4_CTSTL_MASK<< UCR4_CTSTL_SHF);
- temp |= CTSTL<< UCR4_CTSTL_SHF;
-
- writeb(temp & ~UCR4_DREN, sport->port.membase + UCR4);
-
- /*
- * Allocate the IRQ(s) i.MX1 has three interrupts whereas later
- * chips only have one interrupt.
- */
- if (sport->txirq > 0) {
- retval = request_irq(sport->rxirq, mvf_rxint, 0,
- DRIVER_NAME, sport);
- if (retval)
- goto error_out1;
-
- retval = request_irq(sport->txirq, mvf_txint, 0,
- DRIVER_NAME, sport);
- if (retval)
- goto error_out2;
-
- /* do not use RTS IRQ on IrDA */
- if (!USE_IRDA(sport)) {
- retval = request_irq(sport->rtsirq, mvf_rtsint,
- (sport->rtsirq < MAX_INTERNAL_IRQ) ? 0 :
- IRQF_TRIGGER_FALLING |
- IRQF_TRIGGER_RISING,
- DRIVER_NAME, sport);
- if (retval)
- goto error_out3;
- }
- } else {
- retval = request_irq(sport->port.irq, mvf_int, 0,
- DRIVER_NAME, sport);
- if (retval) {
- free_irq(sport->port.irq, sport);
- goto error_out1;
- }
- }
-
- spin_lock_irqsave(&sport->port.lock, flags);
/*
- * Finally, clear and enable interrupts
+ * TBD
*/
- writeb(USR1_RTSD, sport->port.membase + USR1);
-
- temp = readb(sport->port.membase + UCR1);
- temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN;
- if (sport->enable_dma) {
- temp |= UCR1_RDMAEN | UCR1_TDMAEN;
- /* ICD, wait for more than 32 frames, but it still to short. */
- temp |= UCR1_ICD_REG(3);
- }
-
- if (USE_IRDA(sport)) {
- temp |= UCR1_IREN;
- temp &= ~(UCR1_RTSDEN);
- }
-
- writeb(temp, sport->port.membase + UCR1);
-
- temp = readb(sport->port.membase + UCR2);
- temp |= (UCR2_RXEN | UCR2_TXEN);
- writeb(temp, sport->port.membase + UCR2);
-
- if (USE_IRDA(sport)) {
- /* clear RX-FIFO */
- int i = 64;
- while ((--i > 0) &&
- (readb(sport->port.membase + URXD0) & URXD_CHARRDY)) {
- barrier();
- }
- }
-
- if (!cpu_is_mx1()) {
- temp = readb(sport->port.membase + UCR3);
- temp |= MX2_UCR3_RXDMUXSEL;
- writeb(temp, sport->port.membase + UCR3);
- }
-
- if (USE_IRDA(sport)) {
- temp = readb(sport->port.membase + UCR4);
- if (sport->irda_inv_rx)
- temp |= UCR4_INVR;
- else
- temp &= ~(UCR4_INVR);
- writeb(temp | UCR4_DREN, sport->port.membase + UCR4);
-
- temp = readb(sport->port.membase + UCR3);
- if (sport->irda_inv_tx)
- temp |= UCR3_INVT;
- else
- temp &= ~(UCR3_INVT);
- writeb(temp, sport->port.membase + UCR3);
- }
-
- if (sport->enable_dma) {
- temp = readb(sport->port.membase + UCR4);
- temp |= UCR4_IDDMAEN;
- writeb(temp, sport->port.membase + UCR4);
- }
-
- /*
- * Enable modem status interrupts
- */
- mvf_enable_ms(&sport->port);
- spin_unlock_irqrestore(&sport->port.lock,flags);
-
- if (USE_IRDA(sport)) {
- struct mvfuart_platform_data *pdata;
- pdata = sport->port.dev->platform_data;
- sport->irda_inv_rx = pdata->irda_inv_rx;
- sport->irda_inv_tx = pdata->irda_inv_tx;
- sport->trcv_delay = pdata->transceiver_delay;
- if (pdata->irda_enable)
- pdata->irda_enable(1);
- }
-
- tty = sport->port.state->port.tty;
-
return 0;
-
-error_out3:
- if (sport->txirq)
- free_irq(sport->txirq, sport);
-error_out2:
- if (sport->rxirq)
- free_irq(sport->rxirq, sport);
-error_out1:
- return retval;
}
static void mvf_shutdown(struct uart_port *port)
{
- struct mvf_port *sport = (struct mvf_port *)port;
- unsigned long temp;
- unsigned long flags;
-
- spin_lock_irqsave(&sport->port.lock, flags);
- temp = readb(sport->port.membase + UCR2);
- temp &= ~(UCR2_TXEN);
- writeb(temp, sport->port.membase + UCR2);
- spin_unlock_irqrestore(&sport->port.lock, flags);
-
- if (USE_IRDA(sport)) {
- struct mvfuart_platform_data *pdata;
- pdata = sport->port.dev->platform_data;
- if (pdata->irda_enable)
- pdata->irda_enable(0);
- }
-
- /*
- * Stop our timer.
- */
- del_timer_sync(&sport->timer);
-
/*
- * Free the interrupts
+ * TBD
*/
- if (sport->txirq > 0) {
- if (!USE_IRDA(sport))
- free_irq(sport->rtsirq, sport);
- free_irq(sport->txirq, sport);
- free_irq(sport->rxirq, sport);
- } else
- free_irq(sport->port.irq, sport);
-
- /*
- * Disable all interrupts, port and break condition.
- */
-
- spin_lock_irqsave(&sport->port.lock, flags);
- temp = readb(sport->port.membase + UCR1);
- temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
- if (USE_IRDA(sport))
- temp &= ~(UCR1_IREN);
- writeb(temp, sport->port.membase + UCR1);
-
- spin_unlock_irqrestore(&sport->port.lock, flags);
}
static void
@@ -636,7 +273,8 @@ mvf_set_termios(struct uart_port *port, struct ktermios *termios,
{
struct mvf_port *sport = (struct mvf_port *)port;
unsigned long flags;
- unsigned char c1,c2,c3,c4;
+ unsigned int baud,quot;
+ unsigned char c1,c2,c3;
/*
* We only support CS8.
@@ -644,6 +282,9 @@ mvf_set_termios(struct uart_port *port, struct ktermios *termios,
termios->c_cflag = CS8;
c1 = UART_C1_M;
+ c2 = readb(sport->port.membase + MVF_UART_C2);
+ c3 = readb(sport->port.membase + MVF_UART_C3);
+
if (termios->c_cflag & PARENB){
c1 |= UART_C1_PE;
@@ -657,24 +298,22 @@ mvf_set_termios(struct uart_port *port, struct ktermios *termios,
/*
- * Update the per-port timeout.
- */
- uart_update_timeout(port, termios->c_cflag, baud);
-
-
- /*
* Ask the core to calculate the divisor for us.
*/
baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16);
quot = uart_get_divisor(port, baud);
+ /*
+ * Update the per-port timeout.
+ */
+ uart_update_timeout(port, termios->c_cflag, baud);
+
spin_lock_irqsave(&sport->port.lock, flags);
- writeb(c1,sport->port.membase + UART_C1);
- writeb(c2,sport->port.membase + UART_C2);
- writeb(c3,sport->port.membase + UART_C3);
-
+ writeb(c1,sport->port.membase + MVF_UART_C1);
+ writeb(c2,sport->port.membase + MVF_UART_C2);
+ writeb(c3,sport->port.membase + MVF_UART_C3);
@@ -686,7 +325,7 @@ static const char *mvf_type(struct uart_port *port)
{
struct mvf_port *sport = (struct mvf_port *)port;
- return sport->port.type == PORT_MVF ? "MVF" : NULL;
+ return sport->port.type == PORT_IMX ? "MVF" : NULL;
}
/*
@@ -729,21 +368,21 @@ static void mvf_config_port(struct uart_port *port, int flags)
if (flags & UART_CONFIG_TYPE &&
mvf_request_port(&sport->port) == 0)
- sport->port.type = PORT_MVF;
+ sport->port.type = PORT_IMX;
}
/*
* Verify the new serial_struct (for TIOCSSERIAL).
* The only change we allow are to the flags and type, and
- * even then only between PORT_MVF and PORT_UNKNOWN
+ * even then only between PORT_IMX and PORT_UNKNOWN
*/
static int
mvf_verify_port(struct uart_port *port, struct serial_struct *ser)
{
- struct faradady_port *sport = (struct mvf_port *)port;
+ struct mvf_port *sport = (struct mvf_port *)port;
int ret = 0;
- if (ser->type != PORT_UNKNOWN && ser->type != PORT_MVF)
+ if (ser->type != PORT_UNKNOWN && ser->type != PORT_IMX)
ret = -EINVAL;
if (sport->port.irq != ser->irq)
ret = -EINVAL;
@@ -781,21 +420,23 @@ static struct uart_ops mvf_pops = {
};
-static struct mvf_ports[UART_NR];
+static struct mvf_port *mvf_ports[UART_NR];
+#ifdef CONFIG_SERIAL_MVF_CONSOLE
static void mvf_console_putchar(struct uart_port *port, int ch)
{
- struct imx_port *sport = (struct imx_port *)port;
+ struct mvf_port *sport = (struct mvf_port *)port;
- while (readb(sport->port.membase + S1) & UART_S1_TDRE)
+ while (readb(sport->port.membase + MVF_UART_S1) & UART_S1_TDRE)
barrier();
- writeb(ch, sport->port.membase + UART_D);
+ writeb(ch, sport->port.membase + MVF_UART_D);
}
static void
mvf_console_write(struct console *co, const char *s, unsigned int count)
{
+ struct mvf_port *sport = mvf_ports[co->index];
uart_console_write(&sport->port, s, count, mvf_console_putchar);
return;
}
@@ -804,20 +445,21 @@ mvf_console_write(struct console *co, const char *s, unsigned int count)
* try to determine the current setup.
*/
static void __init
-imx_console_get_options(struct imx_port *sport, int *baud,
+mvf_console_get_options(struct mvf_port *sport, int *baud,
int *parity, int *bits)
{
+
/* UART Enable */
- if ( readb(soprt->port.membase + UART_C1) & (UART_C1_TE | UART_C1_RE)) {
- unsigned char c1,c2,c3,c4;
- unsigend short br;
- c1 = readb(soprt->port.membase + UART_C1);
+ if ( readb(sport->port.membase + MVF_UART_C2) & (UART_C2_TE | UART_C2_RE)) {
+ unsigned char c1;
+ unsigned short br;
+ c1 = readb(sport->port.membase + MVF_UART_C1);
*parity = 'n';
if ( c1 & UART_C1_PE)
*parity = (c1 & UART_C1_PT)?'o':'e';
*bits = 7;
- br = readb(soprt->port.membase + UART_BDH)<<8
- | readb(soprt->port.membase + UART_BDH);
+ br = readb(sport->port.membase + MVF_UART_BDH)<<8
+ | readb(sport->port.membase + MVF_UART_BDH);
br &= 0x1fff;
}
}
@@ -832,13 +474,19 @@ mvf_console_setup(struct console *co,char *options)
if (co->index == -1 || co->index >= ARRAY_SIZE(mvf_ports))
co->index = 0;
- sport = imx_ports[co->index];
+ sport = mvf_ports[co->index];
if(sport == NULL)
return -ENODEV;
+ if (options)
+ uart_parse_options(options, &baud, &parity, &bits, &flow);
+ else
+ mvf_console_get_options(sport, &baud, &parity, &bits);
+
return uart_set_options(&sport->port, co, baud, parity, bits, flow);
}
+static struct uart_driver mvf_reg;
static struct console mvf_console = {
.name = DEV_NAME,
.write = mvf_console_write,
@@ -849,8 +497,13 @@ static struct console mvf_console = {
.data = &mvf_reg,
};
-static struct uart_drive mvf_reg = {
- .onwer = THIS_MODULE,
+#define MVF_CONSOLE &mvf_console
+#else
+#define MVF_CONSOLE NULL
+#endif
+
+static struct uart_driver mvf_reg = {
+ .owner = THIS_MODULE,
.driver_name = DRIVER_NAME,
.dev_name = DEV_NAME,
.major = SERIAL_MVF_MAJOR,
@@ -860,8 +513,8 @@ static struct uart_drive mvf_reg = {
};
-
-static int serial_farada_suspend(struct platform_device *dev,pm_message_t state)
+#ifdef CONFIG_PM
+static int serial_mvf_suspend(struct platform_device *dev,pm_message_t state)
{
/* TBD */
return 0;
@@ -873,7 +526,6 @@ static int serial_mvf_resume(struct platform_device *dev)
return 0;
}
-#idef CONFIG_PM
static consit struct dev_pm_ops serial_mvf_pm_ops = {
.suspend = serial_mvf_suspend,
.resume = serial_mvf_resume,
@@ -881,10 +533,10 @@ static consit struct dev_pm_ops serial_mvf_pm_ops = {
#endif
-static int seryal_mvf_probe(struct platform_device *dev)
+static int serial_mvf_probe(struct platform_device *pdev)
{
struct mvf_port *sport;
- struct mvf_platform_data *pdata;
+ struct mvfuart_platform_data *pdata;
void __iomem *base;
int ret = 0;
struct resource *res;
@@ -906,7 +558,7 @@ static int seryal_mvf_probe(struct platform_device *dev)
sport->port.dev = &pdev->dev;
sport->port.mapbase = res->start;
sport->port.membase = base;
- sport->port.type = PORT_MVF,
+ sport->port.type = PORT_IMX,
sport->port.iotype = UPIO_MEM;
sport->port.irq = platform_get_irq(pdev, 0);
sport->rxirq = platform_get_irq(pdev, 0);
@@ -932,16 +584,13 @@ static int seryal_mvf_probe(struct platform_device *dev)
mvf_ports[pdev->id] = sport;
pdata = pdev->dev.platform_data;
+#if 0
if (pdata && (pdata->flags & MVFUART_HAVE_RTSCTS))
sport->have_rtscts = 1;
if (pdata && (pdata->flags & MVFUART_USE_DCEDTE))
sport->use_dcedte = 1;
if (pdata && (pdata->flags & MVFUART_SDMA))
sport->enable_dma = 1;
-
-#ifdef CONFIG_IRDA
- if (pdata && (pdata->flags & MVFUART_IRDA))
- sport->use_irda = 1;
#endif
if (pdata && pdata->init) {
@@ -974,11 +623,11 @@ free:
}
-static void serial_mvf_remove(struct platform_device *dev)
+static int serial_mvf_remove(struct platform_device *dev)
{
- return;
-
+ return 0;
+}
static struct platform_driver serial_mvf_driver = {
.probe = serial_mvf_probe,
@@ -989,6 +638,7 @@ static struct platform_driver serial_mvf_driver = {
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &serial_mvf_pm_ops,
+#endif
},
};
@@ -997,7 +647,7 @@ static int __init mvf_serial_init(void)
{
int ret;
printk(KERN_INFO "Serial: Mvf driver\n");
- ret = uart_regiseter_driver(&mvf_reg);
+ ret = uart_register_driver(&mvf_reg);
if ( ret )
return ret;
@@ -1011,7 +661,7 @@ static int __init mvf_serial_init(void)
static void __exit mvf_serial_exit(void)
{
- platform_driver_unregiseter(&serial_mvf_driver);
+ platform_driver_unregister(&serial_mvf_driver);
uart_unregister_driver(&mvf_reg);
}
@@ -1019,7 +669,8 @@ static void __exit mvf_serial_exit(void)
module_init(mvf_serial_init);
module_exit(mvf_serial_exit);
-MODULES_AUTHER("");
-MODULES_DESCRIPTION("Faradeay serial port driver");
+MODULE_AUTHOR("Freescale");
+MODULE_DESCRIPTION("Faradeay serial port driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:");
+