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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-01-31 09:10:48 +0100 | 
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-01-31 10:16:02 +0100 | 
| commit | 930590f3e49c8f32256edf2e5861e1535a329c6c (patch) | |
| tree | 6f25c8035a932a0b079ee71ce6550b60a2a6fba7 /cpu/ixp/serial.c | |
| parent | f90c8022f448bc5e93090e4b714368e52e912f0f (diff) | |
| download | olio-uboot-2014.01-930590f3e49c8f32256edf2e5861e1535a329c6c.tar.xz olio-uboot-2014.01-930590f3e49c8f32256edf2e5861e1535a329c6c.zip | |
ixp: move serial to drivers/serial
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'cpu/ixp/serial.c')
| -rw-r--r-- | cpu/ixp/serial.c | 125 | 
1 files changed, 0 insertions, 125 deletions
| diff --git a/cpu/ixp/serial.c b/cpu/ixp/serial.c deleted file mode 100644 index dd26af49b..000000000 --- a/cpu/ixp/serial.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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 <asm/arch/ixp425.h> - -/* - *               14.7456 MHz - * Baud Rate = -------------- - *              16 x Divisor - */ -#define SERIAL_CLOCK 921600 - -DECLARE_GLOBAL_DATA_PTR; - -void serial_setbrg (void) -{ -	unsigned int quot = 0; -	int uart = CONFIG_SYS_IXP425_CONSOLE; - -	if ((gd->baudrate <= SERIAL_CLOCK) && (SERIAL_CLOCK % gd->baudrate == 0)) -		quot = SERIAL_CLOCK / gd->baudrate; -	else -		hang (); - -	IER(uart) = 0;					/* Disable for now */ -	FCR(uart) = 0;					/* No fifos enabled */ - -	/* set baud rate */ -	LCR(uart) = LCR_WLS0 | LCR_WLS1 | LCR_DLAB; -	DLL(uart) = quot & 0xff; -	DLH(uart) = quot >> 8; -	LCR(uart) = LCR_WLS0 | LCR_WLS1; -#ifdef CONFIG_SERIAL_RTS_ACTIVE -	MCR(uart) = MCR_RTS;				/* set RTS active */ -#else -	MCR(uart) = 0;					/* set RTS inactive */ -#endif -	IER(uart) = IER_UUE; -} - -/* - * 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) -{ -	serial_setbrg (); - -	return (0); -} - - -/* - * Output a single byte to the serial port. - */ -void serial_putc (const char c) -{ -	/* wait for room in the tx FIFO on UART */ -	while ((LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_TEMT) == 0); - -	THR(CONFIG_SYS_IXP425_CONSOLE) = c; - -	/* If \n, also do \r */ -	if (c == '\n') -		serial_putc ('\r'); -} - -/* - * 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_tstc (void) -{ -	return LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR; -} - -/* - * 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) -{ -	while (!(LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR)); - -	return (char) RBR(CONFIG_SYS_IXP425_CONSOLE) & 0xff; -} - -void -serial_puts (const char *s) -{ -	while (*s) { -		serial_putc (*s++); -	} -} |