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-rw-r--r--board/xilinx/ml300/serial.c155
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diff --git a/board/xilinx/ml300/serial.c b/board/xilinx/ml300/serial.c
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+/*
+ * Author: Xilinx, Inc.
+ *
+ *
+ * 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.
+ *
+ *
+ * XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
+ * COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
+ * ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
+ * XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
+ * FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING
+ * ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
+ * XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
+ * THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
+ * WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
+ * CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *
+ * Xilinx hardware products are not intended for use in life support
+ * appliances, devices, or systems. Use in such applications is
+ * expressly prohibited.
+ *
+ *
+ * (c) Copyright 2002-2004 Xilinx Inc.
+ * All rights reserved.
+ *
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <asm/u-boot.h>
+#include <asm/processor.h>
+#include <common.h>
+#include <command.h>
+#include <configs/ml300.h>
+#include "xparameters.h"
+
+#define USE_CHAN1 \
+ ((defined XPAR_UARTNS550_0_BASEADDR) && (defined CFG_INIT_CHAN1))
+#define USE_CHAN2 \
+ ((defined XPAR_UARTNS550_1_BASEADDR) && (defined CFG_INIT_CHAN2))
+
+#if USE_CHAN1
+#include <ns16550.h>
+#endif
+
+#if USE_CHAN1
+const NS16550_t COM_PORTS[] = { (NS16550_t) (XPAR_UARTNS550_0_BASEADDR + 3)
+#if USE_CHAN2
+ , (NS16550_t) (XPAR_UARTNS550_1_BASEADDR + 3)
+#endif
+};
+#endif
+
+int
+serial_init(void)
+{
+#if USE_CHAN1
+ DECLARE_GLOBAL_DATA_PTR;
+ int clock_divisor;
+
+ clock_divisor = XPAR_UARTNS550_0_CLOCK_FREQ_HZ / 16 / gd->baudrate;
+ (void) NS16550_init(COM_PORTS[0], clock_divisor);
+#if USE_CHAN2
+ clock_divisor = XPAR_UARTNS550_1_CLOCK_FREQ_HZ / 16 / gd->baudrate;
+ (void) NS16550_init(COM_PORTS[1], clock_divisor);
+#endif
+#endif
+ 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)
+{
+#if USE_CHAN1
+ DECLARE_GLOBAL_DATA_PTR;
+ int clock_divisor;
+
+ clock_divisor = XPAR_UARTNS550_0_CLOCK_FREQ_HZ / 16 / gd->baudrate;
+ NS16550_reinit(COM_PORTS[0], clock_divisor);
+#if USE_CHAN2
+ clock_divisor = XPAR_UARTNS550_1_CLOCK_FREQ_HZ / 16 / gd->baudrate;
+ NS16550_reinit(COM_PORTS[1], clock_divisor);
+#endif
+#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 */