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authorwdenk <wdenk>2003-05-23 12:36:20 +0000
committerwdenk <wdenk>2003-05-23 12:36:20 +0000
commit4c3b21a5f915988e3d9681cf9cb566bb7bd56859 (patch)
tree2ed1d16a43a353157b47aed11c6312a2caa76d82 /cpu/xscale/serial.c
parentd9ff6e84e49cd95323172e6a70a21b7a5c879901 (diff)
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Patch by Kyle Harris, 20 May 2003:
In preparation for an ixp port, rename cpu/xscale and arch-xscale into cpu/pxa and arch-pxa.
Diffstat (limited to 'cpu/xscale/serial.c')
-rw-r--r--cpu/xscale/serial.c166
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++);
- }
-}