[U-Boot] [PATCH 11/13] lpc2292: move serial driver to drivers/serial

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Fri Mar 27 22:59:19 CET 2009


add CONFIG_LPC2292_SERIAL to activate the driver

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 cpu/arm720t/serial.c            |   77 ----------------------------
 drivers/serial/Makefile         |    1 +
 drivers/serial/serial_lpc2292.c |  105 +++++++++++++++++++++++++++++++++++++++
 include/configs/SMN42.h         |    1 +
 include/configs/lpc2292sodimm.h |    1 +
 5 files changed, 108 insertions(+), 77 deletions(-)
 create mode 100644 drivers/serial/serial_lpc2292.c

diff --git a/cpu/arm720t/serial.c b/cpu/arm720t/serial.c
index 54a9b31..b54d1cf 100644
--- a/cpu/arm720t/serial.c
+++ b/cpu/arm720t/serial.c
@@ -122,81 +122,4 @@ serial_puts (const char *s)
 		serial_putc (*s++);
 	}
 }
-
-#elif defined(CONFIG_LPC2292)
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#include <asm/arch/hardware.h>
-
-void serial_setbrg (void)
-{
-	unsigned short divisor = 0;
-
-	switch (gd->baudrate) {
-	case   1200:	divisor = 3072;	break;
-	case   9600:	divisor =  384;	break;
-	case  19200:	divisor =  192;	break;
-	case  38400:	divisor =   96;	break;
-	case  57600:	divisor =   64;	break;
-	case 115200:	divisor =   32;	break;
-	default:	hang ();	break;
-	}
-
-	/* init serial UART0 */
-	PUT8(U0LCR, 0);
-	PUT8(U0IER, 0);
-	PUT8(U0LCR, 0x80);	/* DLAB=1 */
-	PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
-	PUT8(U0DLM, (unsigned char)(divisor >> 8));
-	PUT8(U0LCR, 0x03);	/* 8N1, DLAB=0  */
-	PUT8(U0FCR, 1);		/* Enable RX and TX FIFOs */
-}
-
-int serial_init (void)
-{
-	unsigned long pinsel0;
-
-	serial_setbrg ();
-
-	pinsel0 = GET32(PINSEL0);
-	pinsel0 &= ~(0x00000003);
-	pinsel0 |= 5;
-	PUT32(PINSEL0, pinsel0);
-
-	return (0);
-}
-
-void serial_putc (const char c)
-{
-	if (c == '\n')
-	{
-		while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
-		PUT8(U0THR, '\r');
-	}
-
-	while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
-	PUT8(U0THR, c);
-}
-
-int serial_getc (void)
-{
-	while((GET8(U0LSR) & 1) == 0);
-	return GET8(U0RBR);
-}
-
-void
-serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
-/* Test if there is a byte to read */
-int serial_tstc (void)
-{
-	return (GET8(U0LSR) & 1);
-}
-
 #endif
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 95255df..eaf4f8e 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -35,6 +35,7 @@ COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
 COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial.o
 COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
 COBJS-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
+COBJS-$(CONFIG_LPC2292_SERIAL) += serial_lpc2292.o
 COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
 COBJS-$(CONFIG_MX31_UART) += serial_mx31.o
 COBJS-$(CONFIG_NETARM_SERIAL) += serial_netarm.o
diff --git a/drivers/serial/serial_lpc2292.c b/drivers/serial/serial_lpc2292.c
new file mode 100644
index 0000000..87b7d5f
--- /dev/null
+++ b/drivers/serial/serial_lpc2292.c
@@ -0,0 +1,105 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd at denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu at sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw at its.tudelft.nl)
+ *
+ * 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 <asm/arch/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+	unsigned short divisor = 0;
+
+	switch (gd->baudrate) {
+	case   1200:	divisor = 3072;	break;
+	case   9600:	divisor =  384;	break;
+	case  19200:	divisor =  192;	break;
+	case  38400:	divisor =   96;	break;
+	case  57600:	divisor =   64;	break;
+	case 115200:	divisor =   32;	break;
+	default:	hang ();	break;
+	}
+
+	/* init serial UART0 */
+	PUT8(U0LCR, 0);
+	PUT8(U0IER, 0);
+	PUT8(U0LCR, 0x80);	/* DLAB=1 */
+	PUT8(U0DLL, (unsigned char)(divisor & 0x00FF));
+	PUT8(U0DLM, (unsigned char)(divisor >> 8));
+	PUT8(U0LCR, 0x03);	/* 8N1, DLAB=0  */
+	PUT8(U0FCR, 1);		/* Enable RX and TX FIFOs */
+}
+
+int serial_init (void)
+{
+	unsigned long pinsel0;
+
+	serial_setbrg ();
+
+	pinsel0 = GET32(PINSEL0);
+	pinsel0 &= ~(0x00000003);
+	pinsel0 |= 5;
+	PUT32(PINSEL0, pinsel0);
+
+	return (0);
+}
+
+void serial_putc (const char c)
+{
+	if (c == '\n')
+	{
+		while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+		PUT8(U0THR, '\r');
+	}
+
+	while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */
+	PUT8(U0THR, c);
+}
+
+int serial_getc (void)
+{
+	while((GET8(U0LSR) & 1) == 0);
+	return GET8(U0RBR);
+}
+
+void
+serial_puts (const char *s)
+{
+	while (*s) {
+		serial_putc (*s++);
+	}
+}
+
+/* Test if there is a byte to read */
+int serial_tstc (void)
+{
+	return (GET8(U0LSR) & 1);
+}
+
diff --git a/include/configs/SMN42.h b/include/configs/SMN42.h
index d6f41f9..05f6d9f 100644
--- a/include/configs/SMN42.h
+++ b/include/configs/SMN42.h
@@ -59,6 +59,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_LPC2292_SERIAL
 #define CONFIG_SERIAL1		1	/* we use Serial line 1 */
 
 /* allow to overwrite serial and ethaddr */
diff --git a/include/configs/lpc2292sodimm.h b/include/configs/lpc2292sodimm.h
index fa2917e..1515038 100644
--- a/include/configs/lpc2292sodimm.h
+++ b/include/configs/lpc2292sodimm.h
@@ -59,6 +59,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_LPC2292_SERIAL
 #define CONFIG_SERIAL1		1	/* we use Serial line 1 */
 
 /* allow to overwrite serial and ethaddr */
-- 
1.6.2.1



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