diff options
Diffstat (limited to 'cpu/xscale/serial.c')
| -rw-r--r-- | cpu/xscale/serial.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/cpu/xscale/serial.c b/cpu/xscale/serial.c deleted file mode 100644 index c9d5f70..0000000 --- a/cpu/xscale/serial.c +++ /dev/null @@ -1,166 +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/pxa-regs.h> - -void serial_setbrg (void) -{ - DECLARE_GLOBAL_DATA_PTR; - - unsigned int quot = 0; - - if (gd->baudrate == 1200) - quot = 192; - else if (gd->baudrate == 9600) - quot = 96; - else if (gd->baudrate == 19200) - quot = 48; - else if (gd->baudrate == 38400) - quot = 24; - else if (gd->baudrate == 57600) - quot = 16; - else if (gd->baudrate == 115200) - quot = 8; - else - hang (); - -#ifdef CONFIG_FFUART - - CKEN |= CKEN6_FFUART; - - FFIER = 0; /* Disable for now */ - FFFCR = 0; /* No fifos enabled */ - - /* set baud rate */ - FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB; - FFDLL = quot & 0xff; - FFDLH = quot >> 8; - FFLCR = LCR_WLS0 | LCR_WLS1; - - FFIER = IER_UUE; /* Enable FFUART */ - -#elif defined(CONFIG_BTUART) - CKEN |= CKEN7_BTUART; - - BTIER = 0; - BTFCR = 0; - - /* set baud rate */ - BTLCR = LCR_DLAB; - BTDLL = quot & 0xff; - BTDLH = quot >> 8; - BTLCR = LCR_WLS0 | LCR_WLS1; - - BTIER = IER_UUE; /* Enable BFUART */ - -#elif defined(CONFIG_STUART) -#error "Bad: not implemented yet!" -#else -#error "Bad: you didn't configured serial ..." -#endif -} - - -/* - * 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) -{ -#ifdef CONFIG_FFUART - /* wait for room in the tx FIFO on FFUART */ - while ((FFLSR & LSR_TEMT) == 0); - - FFTHR = c; -#elif defined(CONFIG_BTUART) - while ((BTLSR & LSR_TEMT ) == 0 ); - BTTHR = c; -#elif defined(CONFIG_STUART) -#endif - - /* 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) -{ -#ifdef CONFIG_FFUART - return FFLSR & LSR_DR; -#elif defined(CONFIG_BTUART) - return BTLSR & LSR_DR; -#elif defined(CONFIG_STUART) -#endif -} - -/* - * 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) -{ -#ifdef CONFIG_FFUART - while (!(FFLSR & LSR_DR)); - - return (char) FFRBR & 0xff; -#elif defined(CONFIG_BTUART) - while (!(BTLSR & LSR_DR)); - - return (char) BTRBR & 0xff; -#elif defined(CONFIG_STUART) -#endif -} - -void -serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} |