1 files changed, 123 insertions, 0 deletions
diff --git a/arch/ppc/syslib/mv64x60_dbg.c b/arch/ppc/syslib/mv64x60_dbg.c
new file mode 100644
index 000000000000..2927c7adf5e5
--- /dev/null
+++ b/arch/ppc/syslib/mv64x60_dbg.c
@@ -0,0 +1,123 @@
+/*
+ * arch/ppc/syslib/mv64x60_dbg.c
+ *
+ * KGDB and progress routines for the Marvell/Galileo MV64x60 (Discovery).
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2003 (c) MontaVista Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+/*
+ *****************************************************************************
+ *
+ *	Low-level MPSC/UART I/O routines
+ *
+ *****************************************************************************
+ */
+
+
+#include <linux/config.h>
+#include <linux/irq.h>
+#include <asm/delay.h>
+#include <asm/mv64x60.h>
+
+
+#if defined(CONFIG_SERIAL_TEXT_DEBUG)
+
+#define	MPSC_CHR_1	0x000c
+#define	MPSC_CHR_2	0x0010
+
+static struct mv64x60_handle	mv64x60_dbg_bh;
+
+void
+mv64x60_progress_init(u32 base)
+{
+	mv64x60_dbg_bh.v_base = base;
+	return;
+}
+
+static void
+mv64x60_polled_putc(int chan, char c)
+{
+	u32	offset;
+
+	if (chan == 0)
+		offset = 0x8000;
+	else
+		offset = 0x9000;
+
+	mv64x60_write(&mv64x60_dbg_bh, offset + MPSC_CHR_1, (u32)c);
+	mv64x60_write(&mv64x60_dbg_bh, offset + MPSC_CHR_2, 0x200);
+	udelay(2000);
+}
+
+void
+mv64x60_mpsc_progress(char *s, unsigned short hex)
+{
+	volatile char	c;
+
+	mv64x60_polled_putc(0, '\r');
+
+	while ((c = *s++) != 0)
+		mv64x60_polled_putc(0, c);
+
+	mv64x60_polled_putc(0, '\n');
+	mv64x60_polled_putc(0, '\r');
+
+	return;
+}
+#endif	/* CONFIG_SERIAL_TEXT_DEBUG */
+
+
+#if defined(CONFIG_KGDB)
+
+#if defined(CONFIG_KGDB_TTYS0)
+#define KGDB_PORT 0
+#elif defined(CONFIG_KGDB_TTYS1)
+#define KGDB_PORT 1
+#else
+#error "Invalid kgdb_tty port"
+#endif
+
+void
+putDebugChar(unsigned char c)
+{
+	mv64x60_polled_putc(KGDB_PORT, (char)c);
+}
+
+int
+getDebugChar(void)
+{
+	unsigned char	c;
+
+	while (!mv64x60_polled_getc(KGDB_PORT, &c));
+	return (int)c;
+}
+
+void
+putDebugString(char* str)
+{
+	while (*str != '\0') {
+		putDebugChar(*str);
+		str++;
+	}
+	putDebugChar('\r');
+	return;
+}
+
+void
+kgdb_interruptible(int enable)
+{
+}
+
+void
+kgdb_map_scc(void)
+{
+	if (ppc_md.early_serial_map)
+		ppc_md.early_serial_map();
+}
+#endif	/* CONFIG_KGDB */