1 files changed, 139 insertions, 0 deletions
diff --git a/arch/mips/ite-boards/generic/puts.c b/arch/mips/ite-boards/generic/puts.c
new file mode 100644
index 0000000..20b02df
--- /dev/null
+++ b/arch/mips/ite-boards/generic/puts.c
@@ -0,0 +1,139 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Low level uart routines to directly access a 16550 uart.
+ *
+ * Copyright 2000,2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or source@mvista.com
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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 <linux/types.h>
+
+#define SERIAL_BASE   0xB4011800	/* it8172 */
+#define SER_CMD       5
+#define SER_DATA      0x00
+#define TX_BUSY       0x20
+
+#define TIMEOUT       0xffff
+#undef SLOW_DOWN
+
+static const char digits[16] = "0123456789abcdef";
+static volatile unsigned char *const com1 = (unsigned char *) SERIAL_BASE;
+
+
+#ifdef SLOW_DOWN
+static inline void slow_down()
+{
+	int k;
+	for (k = 0; k < 10000; k++);
+}
+#else
+#define slow_down()
+#endif
+
+void putch(const unsigned char c)
+{
+	unsigned char ch;
+	int i = 0;
+
+	do {
+		ch = com1[SER_CMD];
+		slow_down();
+		i++;
+		if (i > TIMEOUT) {
+			break;
+		}
+	} while (0 == (ch & TX_BUSY));
+	com1[SER_DATA] = c;
+}
+
+void puts(unsigned char *cp)
+{
+	unsigned char ch;
+	int i = 0;
+
+	while (*cp) {
+		do {
+			ch = com1[SER_CMD];
+			slow_down();
+			i++;
+			if (i > TIMEOUT) {
+				break;
+			}
+		} while (0 == (ch & TX_BUSY));
+		com1[SER_DATA] = *cp++;
+	}
+	putch('\r');
+	putch('\n');
+}
+
+void fputs(unsigned char *cp)
+{
+	unsigned char ch;
+	int i = 0;
+
+	while (*cp) {
+
+		do {
+			ch = com1[SER_CMD];
+			slow_down();
+			i++;
+			if (i > TIMEOUT) {
+				break;
+			}
+		} while (0 == (ch & TX_BUSY));
+		com1[SER_DATA] = *cp++;
+	}
+}
+
+
+void put64(uint64_t ul)
+{
+	int cnt;
+	unsigned ch;
+
+	cnt = 16;		/* 16 nibbles in a 64 bit long */
+	putch('0');
+	putch('x');
+	do {
+		cnt--;
+		ch = (unsigned char) (ul >> cnt * 4) & 0x0F;
+		putch(digits[ch]);
+	} while (cnt > 0);
+}
+
+void put32(unsigned u)
+{
+	int cnt;
+	unsigned ch;
+
+	cnt = 8;		/* 8 nibbles in a 32 bit long */
+	putch('0');
+	putch('x');
+	do {
+		cnt--;
+		ch = (unsigned char) (u >> cnt * 4) & 0x0F;
+		putch(digits[ch]);
+	} while (cnt > 0);
+}