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Diffstat (limited to 'cpu/arm720t/serial.c')
| -rw-r--r-- | cpu/arm720t/serial.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/cpu/arm720t/serial.c b/cpu/arm720t/serial.c deleted file mode 100644 index b54d1cf..0000000 --- a/cpu/arm720t/serial.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * (C) Copyright 2002-2004 - * 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> - -#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) || defined(CONFIG_ARMADILLO) - -#include <clps7111.h> - -DECLARE_GLOBAL_DATA_PTR; - -void serial_setbrg (void) -{ - unsigned int reg = 0; - - switch (gd->baudrate) { - case 1200: reg = 191; break; - case 9600: reg = 23; break; - case 19200: reg = 11; break; - case 38400: reg = 5; break; - case 57600: reg = 3; break; - case 115200: reg = 1; break; - default: hang (); break; - } - - /* init serial serial 1,2 */ - IO_SYSCON1 = SYSCON1_UART1EN; - IO_SYSCON2 = SYSCON2_UART2EN; - - reg |= UBRLCR_WRDLEN8; - - IO_UBRLCR1 = reg; - IO_UBRLCR2 = reg; -} - - -/* - * 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) -{ - int tmo; - - /* If \n, also do \r */ - if (c == '\n') - serial_putc ('\r'); - - tmo = get_timer (0) + 1 * CONFIG_SYS_HZ; - while (IO_SYSFLG1 & SYSFLG1_UTXFF) - if (get_timer (0) > tmo) - break; - - IO_UARTDR1 = c; -} - -/* - * 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 !(IO_SYSFLG1 & SYSFLG1_URXFE); -} - -/* - * 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 (IO_SYSFLG1 & SYSFLG1_URXFE); - - return IO_UARTDR1 & 0xff; -} - -void -serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} -#endif |