Add support for Siemens SX1 mobile phone;

add support for USB-based console
(enable with "setenv stdout usbtty; setenv stdin usbtty")

4 files changed, 138 insertions, 25 deletions

diff --git a/common/Makefile b/common/Makefile
index eccb4e4..4c94fc0 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2000, 2001
+# (C) Copyright 2004
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # See file CREDITS for list of people who contributed to this
@@ -12,7 +12,7 @@
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
@@ -47,7 +47,7 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o \
 	  hush.o kgdb.o lists.o lynxkdi.o memsize.o miiphybb.o miiphyutil.o \
 	  s_record.o soft_i2c.o soft_spi.o spartan2.o \
 	  usb.o usb_kbd.o usb_storage.o \
-	  virtex2.o xilinx.o
+	  virtex2.o xilinx.o circbuf.o
 
 OBJS	= $(AOBJS) $(COBJS)
 
@@ -55,7 +55,7 @@ CPPFLAGS += -I..
 
 all:	$(LIB) $(AOBJS)
 
-$(LIB):	.depend $(OBJS)
+$(LIB): .depend $(OBJS)
 	$(AR) crv $@ $(OBJS)
 
 environment.o: environment.c ../tools/envcrc
diff --git a/common/circbuf.c b/common/circbuf.c
new file mode 100644
index 0000000..2332c63
--- /dev/null
+++ b/common/circbuf.c
@@ -0,0 +1,110 @@
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * This program 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307	 USA
+ *
+ */
+
+#include <common.h>
+#include <malloc.h>
+
+#include <circbuf.h>
+
+
+int buf_init (circbuf_t * buf, unsigned int size)
+{
+	assert (buf != NULL);
+
+	buf->size = 0;
+	buf->totalsize = size;
+	buf->data = (char *) malloc (sizeof (char) * size);
+	assert (buf->data != NULL);
+
+	buf->top = buf->data;
+	buf->tail = buf->data;
+	buf->end = &(buf->data[size]);
+
+	return 1;
+}
+
+int buf_free (circbuf_t * buf)
+{
+	assert (buf != NULL);
+	assert (buf->data != NULL);
+
+	free (buf->data);
+	memset (buf, 0, sizeof (circbuf_t));
+
+	return 1;
+}
+
+int buf_pop (circbuf_t * buf, char *dest, unsigned int len)
+{
+	unsigned int i;
+	char *p = buf->top;
+
+	assert (buf != NULL);
+	assert (dest != NULL);
+
+	/* Cap to number of bytes in buffer */
+	if (len > buf->size)
+		len = buf->size;
+
+	for (i = 0; i < len; i++) {
+		dest[i] = *p++;
+		/* Bounds check. */
+		if (p == buf->end) {
+			p = buf->data;
+		}
+	}
+
+	/* Update 'top' pointer */
+	buf->top = p;
+	buf->size -= len;
+
+	return len;
+}
+
+int buf_push (circbuf_t * buf, const char *src, unsigned int len)
+{
+	/* NOTE:  this function allows push to overwrite old data. */
+	unsigned int i;
+	char *p = buf->tail;
+
+	assert (buf != NULL);
+	assert (src != NULL);
+
+	for (i = 0; i < len; i++) {
+		*p++ = src[i];
+		if (p == buf->end) {
+			p = buf->data;
+		}
+		/* Make sure pushing too much data just replaces old data */
+		if (buf->size < buf->totalsize) {
+			buf->size++;
+		} else {
+			buf->top++;
+			if (buf->top == buf->end) {
+				buf->top = buf->data;
+			}
+		}
+	}
+
+	/* Update 'tail' pointer */
+	buf->tail = p;
+
+	return len;
+}
diff --git a/common/cmd_load.c b/common/cmd_load.c
index 702cab6..b85db69 100644
--- a/common/cmd_load.c
+++ b/common/cmd_load.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -104,8 +104,8 @@ int do_load_serial (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	 * box some time (100 * 1 ms)
 	 */
 	for (i=0; i<100; ++i) {
-		if (serial_tstc()) {
-			(void) serial_getc();
+		if (tstc()) {
+			(void) getc();
 		}
 		udelay(1000);
 	}
@@ -220,9 +220,9 @@ read_record (char *buf, ulong len)
 	--len;	/* always leave room for terminating '\0' byte */
 
 	for (p=buf; p < buf+len; ++p) {
-		c = serial_getc();		/* read character		*/
+		c = getc();		/* read character		*/
 		if (do_echo)
-			serial_putc (c);	/* ... and echo it		*/
+			putc (c);	/* ... and echo it		*/
 
 		switch (c) {
 		case '\r':
@@ -237,7 +237,7 @@ read_record (char *buf, ulong len)
 		}
 
 	    /* Check for the console hangup (if any different from serial) */
-	    if (gd->jt[XF_getc] != serial_getc) {
+	    if (gd->jt[XF_getc] != getc) {
 		if (ctrlc()) {
 		    return (-1);
 		}
@@ -387,7 +387,7 @@ write_record (char *buf)
 	char c;
 
 	while((c = *buf++))
-		serial_putc(c);
+		putc(c);
 
 	/* Check for the console hangup (if any different from serial) */
 
@@ -531,8 +531,8 @@ static ulong load_serial_bin (ulong offset)
 	 * box some time (100 * 1 ms)
 	 */
 	for (i=0; i<100; ++i) {
-		if (serial_tstc()) {
-			(void) serial_getc();
+		if (tstc()) {
+			(void) getc();
 		}
 		udelay(1000);
 	}
@@ -551,7 +551,7 @@ void send_pad (void)
 	int count = his_pad_count;
 
 	while (count-- > 0)
-		serial_putc (his_pad_char);
+		putc (his_pad_char);
 }
 
 /* converts escaped kermit char to binary char */
@@ -579,7 +579,7 @@ void s1_sendpacket (char *packet)
 {
 	send_pad ();
 	while (*packet) {
-		serial_putc (*packet++);
+		putc (*packet++);
 	}
 }
 
@@ -841,7 +841,7 @@ static int k_recv (void)
 		/* get a packet */
 		/* wait for the starting character or ^C */
 		for (;;) {
-			switch (serial_getc ()) {
+			switch (getc ()) {
 			case START_CHAR:	/* start packet */
 				goto START;
 			case ETX_CHAR:		/* ^C waiting for packet */
@@ -853,13 +853,13 @@ static int k_recv (void)
 START:
 		/* get length of packet */
 		sum = 0;
-		new_char = serial_getc ();
+		new_char = getc ();
 		if ((new_char & 0xE0) == 0)
 			goto packet_error;
 		sum += new_char & 0xff;
 		length = untochar (new_char);
 		/* get sequence number */
-		new_char = serial_getc ();
+		new_char = getc ();
 		if ((new_char & 0xE0) == 0)
 			goto packet_error;
 		sum += new_char & 0xff;
@@ -886,7 +886,7 @@ START:
 		/* END NEW CODE */
 
 		/* get packet type */
-		new_char = serial_getc ();
+		new_char = getc ();
 		if ((new_char & 0xE0) == 0)
 			goto packet_error;
 		sum += new_char & 0xff;
@@ -896,19 +896,19 @@ START:
 		if (length == -2) {
 			/* (length byte was 0, decremented twice) */
 			/* get the two length bytes */
-			new_char = serial_getc ();
+			new_char = getc ();
 			if ((new_char & 0xE0) == 0)
 				goto packet_error;
 			sum += new_char & 0xff;
 			len_hi = untochar (new_char);
-			new_char = serial_getc ();
+			new_char = getc ();
 			if ((new_char & 0xE0) == 0)
 				goto packet_error;
 			sum += new_char & 0xff;
 			len_lo = untochar (new_char);
 			length = len_hi * 95 + len_lo;
 			/* check header checksum */
-			new_char = serial_getc ();
+			new_char = getc ();
 			if ((new_char & 0xE0) == 0)
 				goto packet_error;
 			if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
@@ -918,7 +918,7 @@ START:
 		}
 		/* bring in rest of packet */
 		while (length > 1) {
-			new_char = serial_getc ();
+			new_char = getc ();
 			if ((new_char & 0xE0) == 0)
 				goto packet_error;
 			sum += new_char & 0xff;
@@ -935,13 +935,13 @@ START:
 			}
 		}
 		/* get and validate checksum character */
-		new_char = serial_getc ();
+		new_char = getc ();
 		if ((new_char & 0xE0) == 0)
 			goto packet_error;
 		if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
 			goto packet_error;
 		/* get END_CHAR */
-		new_char = serial_getc ();
+		new_char = getc ();
 		if (new_char != END_CHAR) {
 		  packet_error:
 			/* restore state machines */
diff --git a/common/devices.c b/common/devices.c
index bf7486a..aa05533 100644
--- a/common/devices.c
+++ b/common/devices.c
@@ -194,6 +194,9 @@ int devices_init (void)
 	drv_logbuff_init ();
 #endif
 	drv_system_init ();
+#ifdef CONFIG_USB_TTY
+	drv_usbtty_init ();
+#endif
 
 	return (0);
 }