drivers/serial : move serial drivers to drivers/serial

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 214 deletions

diff --git a/drivers/ns9750_serial.c b/drivers/ns9750_serial.c
deleted file mode 100644
index 02c0d39..0000000
--- a/drivers/ns9750_serial.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/***********************************************************************
- *
- * Copyright (C) 2004 by FS Forth-Systeme GmbH.
- * All rights reserved.
- *
- * $Id: ns9750_serial.c,v 1.1 2004/02/16 10:37:20 mpietrek Exp $
- * @Author: Markus Pietrek
- * @Descr: Serial driver for the NS9750. Only one UART is supported yet.
- * @References: [1] NS9750 Hardware Reference/December 2003
- * @TODO: Implement Character GAP Timer when chip is fixed for PLL bypass
- *
- * 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>
-
-#ifdef CFG_NS9750_UART
-
-#include "ns9750_bbus.h"	/* for GPIOs */
-#include "ns9750_ser.h"		/* for serial configuration */
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if !defined(CONFIG_CONS_INDEX)
-#error "No console index specified."
-#endif
-
-#define CONSOLE CONFIG_CONS_INDEX
-
-static unsigned int calcBitrateRegister( void );
-static unsigned int calcRxCharGapRegister( void );
-
-static char cCharsAvailable; /* Numbers of chars in unCharCache */
-static unsigned int unCharCache; /* unCharCache is only valid if
-				  * cCharsAvailable > 0 */
-
-/***********************************************************************
- * @Function: serial_init
- * @Return: 0
- * @Descr: configures GPIOs and UART. Requires BBUS Master Reset turned off
- ***********************************************************************/
-
-int serial_init( void )
-{
-	unsigned int aunGPIOTxD[] = { 0, 8, 40, 44 };
-	unsigned int aunGPIORxD[] = { 1, 9, 41, 45 };
-
-	cCharsAvailable = 0;
-
-	/* configure TxD and RxD pins for their special function */
-	set_gpio_cfg_reg_val( aunGPIOTxD[ CONSOLE ],
-			      NS9750_GPIO_CFG_FUNC_0 | NS9750_GPIO_CFG_OUTPUT );
-	set_gpio_cfg_reg_val( aunGPIORxD[ CONSOLE ],
-			      NS9750_GPIO_CFG_FUNC_0 | NS9750_GPIO_CFG_INPUT );
-
-	/* configure serial engine */
-	*get_ser_reg_addr_channel( NS9750_SER_CTRL_A, CONSOLE ) =
-		NS9750_SER_CTRL_A_CE |
-		NS9750_SER_CTRL_A_STOP |
-		NS9750_SER_CTRL_A_WLS_8;
-
-	serial_setbrg();
-
-	*get_ser_reg_addr_channel( NS9750_SER_CTRL_B, CONSOLE ) =
-		NS9750_SER_CTRL_B_RCGT;
-
-	return 0;
-}
-
-/***********************************************************************
- * @Function: serial_putc
- * @Return: n/a
- * @Descr: writes one character to the FIFO. Blocks until FIFO is not full
- ***********************************************************************/
-
-void serial_putc( const char c )
-{
-	if (c == '\n')
-		serial_putc( '\r' );
-
-	while (!(*get_ser_reg_addr_channel( NS9750_SER_STAT_A, CONSOLE) &
-		 NS9750_SER_STAT_A_TRDY ) ) {
-		/* do nothing, wait for characters in FIFO sent */
-	}
-
-	*(volatile char*) get_ser_reg_addr_channel( NS9750_SER_FIFO,
-						    CONSOLE) = c;
-}
-
-/***********************************************************************
- * @Function: serial_puts
- * @Return: n/a
- * @Descr: writes non-zero string to the FIFO.
- ***********************************************************************/
-
-void serial_puts( const char *s )
-{
-	while (*s) {
-		serial_putc( *s++ );
-	}
-}
-
-/***********************************************************************
- * @Function: serial_getc
- * @Return: the character read
- * @Descr: performs only 8bit accesses to the FIFO. No error handling
- ***********************************************************************/
-
-int serial_getc( void )
-{
-	int i;
-
-	while (!serial_tstc() ) {
-		/* do nothing, wait for incoming characters */
-	}
-
-	/*  at least one character in unCharCache */
-	i = (int) (unCharCache & 0xff);
-
-	unCharCache >>= 8;
-	cCharsAvailable--;
-
-	return i;
-}
-
-/***********************************************************************
- * @Function: serial_tstc
- * @Return: 0 if no input available, otherwise != 0
- * @Descr: checks for incoming FIFO not empty. Stores the incoming chars in
- *	   unCharCache and the numbers of characters in cCharsAvailable
- ***********************************************************************/
-
-int serial_tstc( void )
-{
-	unsigned int unRegCache;
-
-	if ( cCharsAvailable )
-		return 1;
-
-	unRegCache = *get_ser_reg_addr_channel( NS9750_SER_STAT_A,CONSOLE );
-	if( unRegCache & NS9750_SER_STAT_A_RBC ) {
-		*get_ser_reg_addr_channel( NS9750_SER_STAT_A, CONSOLE ) =
-			NS9750_SER_STAT_A_RBC;
-		unRegCache = *get_ser_reg_addr_channel( NS9750_SER_STAT_A,
-							CONSOLE );
-	}
-
-	if ( unRegCache & NS9750_SER_STAT_A_RRDY ) {
-		cCharsAvailable = (unRegCache & NS9750_SER_STAT_A_RXFDB_MA)>>20;
-		if ( !cCharsAvailable )
-			cCharsAvailable = 4;
-
-		unCharCache = *get_ser_reg_addr_channel( NS9750_SER_FIFO,
-							 CONSOLE );
-		return 1;
-	}
-
-	/* no chars available */
-	return 0;
-}
-
-void serial_setbrg( void )
-{
-	*get_ser_reg_addr_channel( NS9750_SER_BITRATE, CONSOLE ) =
-		calcBitrateRegister();
-	*get_ser_reg_addr_channel( NS9750_SER_RX_CHAR_TIMER, CONSOLE ) =
-		calcRxCharGapRegister();
-}
-
-/***********************************************************************
- * @Function: calcBitrateRegister
- * @Return: value for the serial bitrate register
- * @Descr: register value depends on clock frequency and baudrate
- ***********************************************************************/
-
-static unsigned int calcBitrateRegister( void )
-{
-	return ( NS9750_SER_BITRATE_EBIT |
-		 NS9750_SER_BITRATE_CLKMUX_BCLK |
-		 NS9750_SER_BITRATE_TMODE |
-		 NS9750_SER_BITRATE_TCDR_16 |
-		 NS9750_SER_BITRATE_RCDR_16 |
-		 ( ( ( ( CONFIG_SYS_CLK_FREQ / 8 ) / /* BBUS clock,[1] Fig. 38 */
-		       ( gd->baudrate * 16 ) ) - 1 ) &
-		   NS9750_SER_BITRATE_N_MA ) );
-}
-
-/***********************************************************************
- * @Function: calcRxCharGapRegister
- * @Return: value for the character gap timer register
- * @Descr: register value depends on clock frequency and baudrate. Currently 0
- *	   is used as there is a bug with the gap timer in PLL bypass mode.
- ***********************************************************************/
-
-static unsigned int calcRxCharGapRegister( void )
-{
-	return NS9750_SER_RX_CHAR_TIMER_TRUN;
-}
-
-#endif /* CFG_NS9750_UART */