lh7a40x: move serial driver to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/lh7a40x/Makefile b/cpu/lh7a40x/Makefile
index b9ae76e..1b3f58a 100644
--- a/cpu/lh7a40x/Makefile
+++ b/cpu/lh7a40x/Makefile
@@ -26,7 +26,7 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= cpu.o speed.o serial.o timer.o
+COBJS	= cpu.o speed.o timer.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/lh7a40x/serial.c b/cpu/lh7a40x/serial.c
deleted file mode 100644
index 4767489..0000000
--- a/cpu/lh7a40x/serial.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * 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 <lh7a40x.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_CONSOLE_UART1)
-# define UART_CONSOLE 1
-#elif defined(CONFIG_CONSOLE_UART2)
-# define UART_CONSOLE 2
-#elif defined(CONFIG_CONSOLE_UART3)
-# define UART_CONSOLE 3
-#else
-# error "No console configured ... "
-#endif
-
-void serial_setbrg (void)
-{
-	lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-	int i;
-	unsigned int reg = 0;
-
-	/*
-	 * userguide 15.1.2.4
-	 *
-	 * BAUDDIV is (UART_REF_FREQ/(16 X BAUD))-1
-	 *
-	 *   UART_REF_FREQ = external system clock input / 2 (Hz)
-	 *   BAUD is desired baudrate (bits/s)
-	 *
-	 *   NOTE: we add (divisor/2) to numerator to round for
-	 *         more precision
-	 */
-	reg = (((get_PLLCLK()/2) + ((16*gd->baudrate)/2)) / (16 * gd->baudrate)) - 1;
-	uart->brcon = reg;
-
-	for (i = 0; i < 100; i++);
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-int serial_init (void)
-{
-	lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
-	/* UART must be enabled before writing to any config registers */
-	uart->con |= (UART_EN);
-
-#ifdef CONFIG_CONSOLE_UART1
-	/* infrared disabled */
-	uart->con |= UART_SIRD;
-#endif
-	/* loopback disabled */
-	uart->con &= ~(UART_LBE);
-
-	/* modem lines and tx/rx polarities */
-	uart->con &= ~(UART_MXP | UART_TXP | UART_RXP);
-
-	/* FIFO enable, N81 */
-	uart->fcon = (UART_WLEN_8 | UART_FEN | UART_STP2_1);
-
-	/* set baudrate */
-	serial_setbrg ();
-
-	/* enable rx interrupt */
-	uart->inten |= UART_RI;
-
-	return (0);
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-int serial_getc (void)
-{
-	lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
-	/* wait for character to arrive */
-	while (uart->status & UART_RXFE);
-
-	return(uart->data & 0xff);
-}
-
-#ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
-int hwflow_onoff(int on)
-{
-	switch(on) {
-	case 0:
-	default:
-		break; /* return current */
-	case 1:
-		hwflow = 1; /* turn on */
-		break;
-	case -1:
-		hwflow = 0; /* turn off */
-		break;
-	}
-	return hwflow;
-}
-#endif
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int be_quiet = 0;
-void disable_putc(void)
-{
-	be_quiet = 1;
-}
-
-void enable_putc(void)
-{
-	be_quiet = 0;
-}
-#endif
-
-
-/*
- * Output a single byte to the serial port.
- */
-void serial_putc (const char c)
-{
-	lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
-#ifdef CONFIG_MODEM_SUPPORT
-	if (be_quiet)
-		return;
-#endif
-
-	/* wait for room in the tx FIFO */
-	while (!(uart->status & UART_TXFE));
-
-#ifdef CONFIG_HWFLOW
-	/* Wait for CTS up */
-	while(hwflow && !(uart->status & UART_CTS));
-#endif
-
-	uart->data = c;
-
-	/* If \n, also do \r */
-	if (c == '\n')
-		serial_putc ('\r');
-}
-
-/*
- * Test whether a character is in the RX buffer
- */
-int serial_tstc (void)
-{
-	lh7a40x_uart_t* uart = LH7A40X_UART_PTR(UART_CONSOLE);
-
-	return(!(uart->status & UART_RXFE));
-}
-
-void
-serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}