[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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