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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-03-27 23:26:43 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-04-04 20:42:20 +0200
commitbeebd851cdbc9dd070bcdfec1fd8f17e3cc91bc0 (patch)
tree85b763ee8f6a35b8b963185443810bf98c1a21cd /cpu/arm920t/at91rm9200/serial.c
parentcb82a532669f6b02225ec3429ea4d49ff2b97d0a (diff)
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at91rm9200: move serial driver to drivers/serial
add CONFIG_AT91RM9200_USART to activate the driver Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'cpu/arm920t/at91rm9200/serial.c')
-rw-r--r--cpu/arm920t/at91rm9200/serial.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/cpu/arm920t/at91rm9200/serial.c b/cpu/arm920t/at91rm9200/serial.c
deleted file mode 100644
index d563445..0000000
--- a/cpu/arm920t/at91rm9200/serial.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * (C) Copyright 2002
- * Lineo, Inc <www.lineo.com>
- * Bernhard Kuhn <bkuhn@lineo.com>
- *
- * (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/io.h>
-#include <asm/arch/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if !defined(CONFIG_DBGU) && !defined(CONFIG_USART0) && !defined(CONFIG_USART1)
-#error must define one of CONFIG_DBGU or CONFIG_USART0 or CONFIG_USART1
-#endif
-
-/* ggi thunder */
-#ifdef CONFIG_DBGU
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
-#endif
-#ifdef CONFIG_USART0
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US0;
-#endif
-#ifdef CONFIG_USART1
-AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US1;
-#endif
-
-void serial_setbrg (void)
-{
- int baudrate;
-
- if ((baudrate = gd->baudrate) <= 0)
- baudrate = CONFIG_BAUDRATE;
- /* MASTER_CLOCK/(16 * baudrate) */
- us->US_BRGR = (AT91C_MASTER_CLOCK >> 4) / (unsigned)baudrate;
-}
-
-int serial_init (void)
-{
- /* make any port initializations specific to this port */
-#ifdef CONFIG_DBGU
- *AT91C_PIOA_PDR = AT91C_PA31_DTXD | AT91C_PA30_DRXD; /* PA 31 & 30 */
- *AT91C_PMC_PCER = 1 << AT91C_ID_SYS; /* enable clock */
-#endif
-#ifdef CONFIG_USART0
- *AT91C_PIOA_PDR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0;
- *AT91C_PMC_PCER |= 1 << AT91C_ID_USART0; /* enable clock */
-#endif
-#ifdef CONFIG_USART1
- *AT91C_PIOB_PDR = AT91C_PB21_TXD1 | AT91C_PB20_RXD1;
- *AT91C_PMC_PCER |= 1 << AT91C_ID_USART1; /* enable clock */
-#endif
- serial_setbrg ();
-
- us->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX;
- us->US_CR = AT91C_US_RXEN | AT91C_US_TXEN;
- us->US_MR =
- (AT91C_US_CLKS_CLOCK | AT91C_US_CHRL_8_BITS |
- AT91C_US_PAR_NONE | AT91C_US_NBSTOP_1_BIT);
- us->US_IMR = ~0ul;
- return (0);
-}
-
-void serial_putc (const char c)
-{
- if (c == '\n')
- serial_putc ('\r');
- while ((us->US_CSR & AT91C_US_TXRDY) == 0);
- us->US_THR = c;
-}
-
-void serial_puts (const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-int serial_getc (void)
-{
- while ((us->US_CSR & AT91C_US_RXRDY) == 0);
- return us->US_RHR;
-}
-
-int serial_tstc (void)
-{
- return ((us->US_CSR & AT91C_US_RXRDY) == AT91C_US_RXRDY);
-}