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authorWolfgang Denk <wd@pollux.denx.de>2005-10-09 01:04:33 +0200
committerWolfgang Denk <wd@pollux.denx.de>2005-10-09 01:04:33 +0200
commit7521af1c7d95ff087a4f7636ed050f4d4be91b59 (patch)
treeacd83b262b72925dba271c7e0bcb0dcf7072bdae /board/amirix/ap1000/serial.c
parent95f9dda2165f045a7e1708885ee589878cc6f20b (diff)
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Add support for AP1000 board.
Patch by James MacAulay, 07 Oct 2005
Diffstat (limited to 'board/amirix/ap1000/serial.c')
-rw-r--r--board/amirix/ap1000/serial.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/board/amirix/ap1000/serial.c b/board/amirix/ap1000/serial.c
new file mode 100644
index 0000000..431e469
--- /dev/null
+++ b/board/amirix/ap1000/serial.c
@@ -0,0 +1,128 @@
+/*
+ * (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 <asm/u-boot.h>
+#include <asm/processor.h>
+#include <common.h>
+#include <command.h>
+#include <config.h>
+
+#include <ns16550.h>
+
+#if 0
+#include "serial.h"
+#endif
+
+const NS16550_t COM_PORTS[] = { (NS16550_t) CFG_NS16550_COM1, (NS16550_t) CFG_NS16550_COM2 };
+
+#undef CFG_DUART_CHAN
+#define CFG_DUART_CHAN gComPort
+static int gComPort = 0;
+
+int
+serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate;
+
+ (void)NS16550_init(COM_PORTS[0], clock_divisor);
+ gComPort = 0;
+
+ return 0;
+
+}
+
+void
+serial_putc(const char c)
+{
+ if (c == '\n'){
+ NS16550_putc(COM_PORTS[CFG_DUART_CHAN], '\r');
+ }
+
+ NS16550_putc(COM_PORTS[CFG_DUART_CHAN], c);
+}
+
+int
+serial_getc(void)
+{
+ return NS16550_getc(COM_PORTS[CFG_DUART_CHAN]);
+}
+
+int
+serial_tstc(void)
+{
+ return NS16550_tstc(COM_PORTS[CFG_DUART_CHAN]);
+}
+
+void
+serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate;
+
+#ifdef CFG_INIT_CHAN1
+ NS16550_reinit(COM_PORTS[0], clock_divisor);
+#endif
+#ifdef CFG_INIT_CHAN2
+ NS16550_reinit(COM_PORTS[1], clock_divisor);
+#endif
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+#if (CONFIG_COMMANDS & CFG_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 /* CFG_CMD_KGDB */