diff options
Diffstat (limited to 'drivers/serial_xuartlite.c')
| -rw-r--r-- | drivers/serial_xuartlite.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/drivers/serial_xuartlite.c b/drivers/serial_xuartlite.c deleted file mode 100644 index d678ab6..0000000 --- a/drivers/serial_xuartlite.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * (C) Copyright 2004 Atmark Techno, Inc. - * - * Yasushi SHOJI <yashi@atmark-techno.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 <config.h> - -#ifdef CONFIG_XILINX_UARTLITE - -#include <asm/serial_xuartlite.h> - -/* FIXME: we should convert these to in32 and out32 */ -#define IO_WORD(offset) (*(volatile unsigned long *)(offset)) -#define IO_SERIAL(offset) IO_WORD(CONFIG_SERIAL_BASE + (offset)) - -#define IO_SERIAL_RX_FIFO IO_SERIAL(XUL_RX_FIFO_OFFSET) -#define IO_SERIAL_TX_FIFO IO_SERIAL(XUL_TX_FIFO_OFFSET) -#define IO_SERIAL_STATUS IO_SERIAL(XUL_STATUS_REG_OFFSET) -#define IO_SERIAL_CONTROL IO_SERIAL(XUL_CONTROL_REG_OFFSET) - -int serial_init(void) -{ - /* FIXME: Nothing for now. We should initialize fifo, etc */ - return 0; -} - -void serial_setbrg(void) -{ - /* FIXME: what's this for? */ -} - -void serial_putc(const char c) -{ - if (c == '\n') serial_putc('\r'); - while (IO_SERIAL_STATUS & XUL_SR_TX_FIFO_FULL); - IO_SERIAL_TX_FIFO = (unsigned char) (c & 0xff); -} - -void serial_puts(const char * s) -{ - while (*s) { - serial_putc(*s++); - } -} - -int serial_getc(void) -{ - while (!(IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA)); - return IO_SERIAL_RX_FIFO & 0xff; -} - -int serial_tstc(void) -{ - return (IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA); -} - -#endif /* CONFIG_MICROBLZE */ |