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-rw-r--r--u-boot/board/ml2/serial.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/u-boot/board/ml2/serial.c b/u-boot/board/ml2/serial.c
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--- /dev/null
+++ b/u-boot/board/ml2/serial.c
@@ -0,0 +1,115 @@
+/*
+ * (C) Copyright 2002
+ * Peter De Schrijver (p2@mind.be), Mind Linux Solutions, NV.
+ *
+ * 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/u-boot.h>
+#include <asm/processor.h>
+#include <command.h>
+#include <configs/ML2.h>
+
+#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
+#include <ns16550.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
+const NS16550_t COM_PORTS[] = { (NS16550_t) CONFIG_SYS_NS16550_COM1,
+ (NS16550_t) CONFIG_SYS_NS16550_COM2
+};
+#endif
+
+int serial_init (void)
+{
+ int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
+
+#ifdef CONFIG_SYS_INIT_CHAN1
+ (void) NS16550_init (COM_PORTS[0], clock_divisor);
+#endif
+#ifdef CONFIG_SYS_INIT_CHAN2
+ (void) NS16550_init (COM_PORTS[1], clock_divisor);
+#endif
+ return 0;
+
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], '\r');
+
+ NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], c);
+}
+
+int serial_getc (void)
+{
+ return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
+}
+
+int serial_tstc (void)
+{
+ return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
+}
+
+void serial_setbrg (void)
+{
+ int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
+
+#ifdef CONFIG_SYS_INIT_CHAN1
+ NS16550_reinit (COM_PORTS[0], clock_divisor);
+#endif
+#ifdef CONFIG_SYS_INIT_CHAN2
+ NS16550_reinit (COM_PORTS[1], clock_divisor);
+#endif
+}
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+#if defined(CONFIG_CMD_KGDB)
+void kgdb_serial_init (void)
+{
+}
+
+void putDebugChar (int c)
+{
+ serial_putc (c);
+}
+
+void putDebugStr (const char *str)
+{
+ serial_puts (str);
+}
+
+int getDebugChar (void)
+{
+ return serial_getc ();
+}
+
+void kgdb_interruptible (int yes)
+{
+ return;
+}
+#endif