1 files changed, 131 insertions, 0 deletions
diff --git a/cpu/mpc8220/serial.c b/cpu/mpc8220/serial.c
new file mode 100644
index 0000000..08285b8
--- /dev/null
+++ b/cpu/mpc8220/serial.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2004, Freescale, Inc
+ * TsiChung Liew, Tsi-Chung.Liew@freescale.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ *
+ */
+
+/*
+ * Minimal serial functions needed to use one of the PSC ports
+ * as serial console interface.
+ */
+
+#include <common.h>
+#include <mpc8220.h>
+
+int serial_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+#if defined (CONFIG_EXTUART_CONSOLE)
+	volatile uchar *cpld = (volatile uchar *) CFG_CPLD_BASE;
+#endif
+
+	/* Check CPLD Switch 2 whether is external or internal */
+#if defined (CONFIG_EXTUART_CONSOLE)
+	if ((*cpld & 0x02) == 0x02) {
+		gd->bExtUart = 1;
+		return ext_serial_init ();
+	} else
+#endif
+	{
+#if defined(CONFIG_PSC_CONSOLE)
+		gd->bExtUart = 0;
+		return psc_serial_init ();
+#endif
+	}
+
+	return (0);
+}
+
+void serial_putc (const char c)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+		ext_serial_putc (c);
+#endif
+	} else {
+#if defined(CONFIG_PSC_CONSOLE)
+		psc_serial_putc (c);
+#endif
+	}
+}
+
+void serial_puts (const char *s)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+		ext_serial_puts (s);
+#endif
+	} else {
+#if defined(CONFIG_PSC_CONSOLE)
+		psc_serial_puts (s);
+#endif
+	}
+}
+
+int serial_getc (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+		return ext_serial_getc ();
+#endif
+	} else {
+#if defined(CONFIG_PSC_CONSOLE)
+		return psc_serial_getc ();
+#endif
+	}
+}
+
+int serial_tstc (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+		return ext_serial_tstc ();
+#endif
+	} else {
+#if defined(CONFIG_PSC_CONSOLE)
+		return psc_serial_tstc ();
+#endif
+	}
+}
+
+void serial_setbrg (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+		ext_serial_setbrg ();
+#endif
+	} else {
+#if defined(CONFIG_PSC_CONSOLE)
+		psc_serial_setbrg ();
+#endif
+	}
+}