lpc2292: move serial driver to drivers/serial
add CONFIG_LPC2292_SERIAL to activate the driver
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@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);
+}
+