X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fserial%2Fmcfserial.c;h=8cbbb954df2cbdf4b4d360f469f7a5408ffbfa15;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=8c40167778dea949e077954a10445736f9f6ea21;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 8c4016777..8cbbb954d 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -40,7 +40,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/segment.h>
 #include <asm/semaphore.h>
 #include <asm/delay.h>
 #include <asm/coldfire.h>
@@ -58,16 +57,18 @@ struct timer_list mcfrs_timer_struct;
  *	keep going.  Perhaps one day the cflag settings for the
  *	console can be used instead.
  */
-#if defined(CONFIG_ARNEWSH) || defined(CONFIG_MOTOROLA) || defined(CONFIG_senTec) || defined(CONFIG_SNEHA)
+#if defined(CONFIG_HW_FEITH)
+#define	CONSOLE_BAUD_RATE	38400
+#define	DEFAULT_CBAUD		B38400
+#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB)
+#define CONSOLE_BAUD_RATE 	115200
+#define DEFAULT_CBAUD		B115200
+#elif defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \
+      defined(CONFIG_senTec) || defined(CONFIG_SNEHA)
 #define	CONSOLE_BAUD_RATE	19200
 #define	DEFAULT_CBAUD		B19200
 #endif
 
-#if defined(CONFIG_HW_FEITH)
-  #define	CONSOLE_BAUD_RATE	38400
-  #define	DEFAULT_CBAUD		B38400
-#endif
-
 #ifndef CONSOLE_BAUD_RATE
 #define	CONSOLE_BAUD_RATE	9600
 #define	DEFAULT_CBAUD		B9600
@@ -91,7 +92,8 @@ static struct tty_driver *mcfrs_serial_driver;
 #undef SERIAL_DEBUG_OPEN
 #undef SERIAL_DEBUG_FLOW
 
-#if defined(CONFIG_M527x) || defined(CONFIG_M528x)
+#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+    defined(CONFIG_M520x)
 #define	IRQBASE	(MCFINT_VECBASE+MCFINT_UART0)
 #else
 #define	IRQBASE	73
@@ -307,7 +309,7 @@ static inline void receive_chars(struct mcf_serial *info)
 {
 	volatile unsigned char	*uartp;
 	struct tty_struct	*tty = info->tty;
-	unsigned char		status, ch;
+	unsigned char		status, ch, flag;
 
 	if (!tty)
 		return;
@@ -315,10 +317,6 @@ static inline void receive_chars(struct mcf_serial *info)
 	uartp = info->addr;
 
 	while ((status = uartp[MCFUART_USR]) & MCFUART_USR_RXREADY) {
-
-		if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-			break;
-
 		ch = uartp[MCFUART_URB];
 		info->stats.rx++;
 
@@ -329,32 +327,26 @@ static inline void receive_chars(struct mcf_serial *info)
 		}
 #endif
 
-		tty->flip.count++;
+		flag = TTY_NORMAL;
 		if (status & MCFUART_USR_RXERR) {
 			uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR;
 			if (status & MCFUART_USR_RXBREAK) {
 				info->stats.rxbreak++;
-				*tty->flip.flag_buf_ptr++ = TTY_BREAK;
+				flag = TTY_BREAK;
 			} else if (status & MCFUART_USR_RXPARITY) {
 				info->stats.rxparity++;
-				*tty->flip.flag_buf_ptr++ = TTY_PARITY;
+				flag = TTY_PARITY;
 			} else if (status & MCFUART_USR_RXOVERRUN) {
 				info->stats.rxoverrun++;
-				*tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
+				flag = TTY_OVERRUN;
 			} else if (status & MCFUART_USR_RXFRAMING) {
 				info->stats.rxframing++;
-				*tty->flip.flag_buf_ptr++ = TTY_FRAME;
-			} else {
-				/* This should never happen... */
-				*tty->flip.flag_buf_ptr++ = 0;
+				flag = TTY_FRAME;
 			}
-		} else {
-			*tty->flip.flag_buf_ptr++ = 0;
 		}
-		*tty->flip.char_buf_ptr++ = ch;
+		tty_insert_flip_char(tty, ch, flag);
 	}
-
-	schedule_work(&tty->flip.work);
+	tty_schedule_flip(tty);
 	return;
 }
 
@@ -1511,7 +1503,7 @@ static void mcfrs_irqinit(struct mcf_serial *info)
 	*portp = (*portp & ~0x000000ff) | 0x00000055;
 	portp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PDCNT);
 	*portp = (*portp & ~0x000003fc) | 0x000002a8;
-#elif defined(CONFIG_M527x) || defined(CONFIG_M528x)
+#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
 	volatile unsigned char *icrp, *uartp;
 	volatile unsigned long *imrp;
 
@@ -1519,11 +1511,40 @@ static void mcfrs_irqinit(struct mcf_serial *info)
 
 	icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 +
 		MCFINTC_ICR0 + MCFINT_UART0 + info->line);
-	*icrp = 0x33; /* UART0 with level 6, priority 3 */
+	*icrp = 0x30 + info->line; /* level 6, line based priority */
 
 	imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
 		MCFINTC_IMRL);
 	*imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1);
+#elif defined(CONFIG_M520x)
+	volatile unsigned char *icrp, *uartp;
+	volatile unsigned long *imrp;
+
+	uartp = info->addr;
+
+	icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 +
+		MCFINTC_ICR0 + MCFINT_UART0 + info->line);
+	*icrp = 0x03;
+
+	imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
+		MCFINTC_IMRL);
+	*imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1);
+	if (info->line < 2) {
+		unsigned short *uart_par;
+		uart_par = (unsigned short *)(MCF_IPSBAR + MCF_GPIO_PAR_UART);
+		if (info->line == 0)
+			*uart_par |=  MCF_GPIO_PAR_UART_PAR_UTXD0
+				  | MCF_GPIO_PAR_UART_PAR_URXD0;
+		else if (info->line == 1)
+			*uart_par |=  MCF_GPIO_PAR_UART_PAR_UTXD1
+				  | MCF_GPIO_PAR_UART_PAR_URXD1;
+		} else if (info->line == 2) {
+			unsigned char *feci2c_par;
+			feci2c_par = (unsigned char *)(MCF_IPSBAR +  MCF_GPIO_PAR_FECI2C);
+			*feci2c_par &= ~0x0F;
+			*feci2c_par |=  MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2
+				    | MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2;
+		}
 #else
 	volatile unsigned char	*icrp, *uartp;