forked from Imagelibrary/rtems
Added files missed by previous merger of SH-2 port.
This commit is contained in:
Joel Sherrill
71
c/src/lib/libbsp/sh/gensh1/console/Makefile.in
Normal file
71
c/src/lib/libbsp/sh/gensh1/console/Makefile.in
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@@ -0,0 +1,71 @@
|
|||||||
|
##
|
||||||
|
## $Id$
|
||||||
|
##
|
||||||
|
|
||||||
|
@SET_MAKE@
|
||||||
|
srcdir = @srcdir@
|
||||||
|
top_srcdir = @top_srcdir@
|
||||||
|
top_builddir = ../../..
|
||||||
|
subdir = sh/gensh1/console
|
||||||
|
|
||||||
|
RTEMS_ROOT = @RTEMS_ROOT@
|
||||||
|
PROJECT_ROOT = @PROJECT_ROOT@
|
||||||
|
|
||||||
|
VPATH = @srcdir@:@top_srcdir@/sh/shared
|
||||||
|
|
||||||
|
PGM = ${ARCH}/console.rel
|
||||||
|
|
||||||
|
# C source names, if any, go here -- minus the .c
|
||||||
|
C_PIECES = console
|
||||||
|
C_FILES = $(C_PIECES:%=%.c)
|
||||||
|
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
|
||||||
|
|
||||||
|
H_FILES =
|
||||||
|
|
||||||
|
# Assembly source names, if any, go here -- minus the .S
|
||||||
|
S_PIECES =
|
||||||
|
S_FILES = $(S_PIECES:%=%.S)
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||||||
|
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
|
||||||
|
|
||||||
|
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
|
||||||
|
OBJS = $(C_O_FILES) $(S_O_FILES)
|
||||||
|
|
||||||
|
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||||
|
include $(RTEMS_ROOT)/make/leaf.cfg
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||||||
|
|
||||||
|
INSTALL_CHANGE = @INSTALL_CHANGE@
|
||||||
|
|
||||||
|
#
|
||||||
|
# (OPTIONAL) Add local stuff here using +=
|
||||||
|
#
|
||||||
|
|
||||||
|
DEFINES +=
|
||||||
|
CPPFLAGS +=
|
||||||
|
CFLAGS +=
|
||||||
|
|
||||||
|
LD_PATHS +=
|
||||||
|
LD_LIBS +=
|
||||||
|
LDFLAGS +=
|
||||||
|
|
||||||
|
#
|
||||||
|
# Add your list of files to delete here. The config files
|
||||||
|
# already know how to delete some stuff, so you may want
|
||||||
|
# to just run 'make clean' first to see what gets missed.
|
||||||
|
# 'make clobber' already includes 'make clean'
|
||||||
|
#
|
||||||
|
|
||||||
|
CLEAN_ADDITIONS +=
|
||||||
|
CLOBBER_ADDITIONS +=
|
||||||
|
|
||||||
|
${PGM}: ${SRCS} ${OBJS}
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||||||
|
$(make-rel)
|
||||||
|
|
||||||
|
all: ${ARCH} $(SRCS) $(PGM)
|
||||||
|
|
||||||
|
# the .rel file built here will be put into libbsp.a by
|
||||||
|
# ../wrapup/Makefile
|
||||||
|
install: all
|
||||||
|
|
||||||
|
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
|
||||||
|
cd $(top_builddir) \
|
||||||
|
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
|
||||||
70
c/src/lib/libcpu/sh/sh7032/delay/Makefile.in
Normal file
70
c/src/lib/libcpu/sh/sh7032/delay/Makefile.in
Normal file
@@ -0,0 +1,70 @@
|
|||||||
|
#
|
||||||
|
# $Id$
|
||||||
|
#
|
||||||
|
|
||||||
|
@SET_MAKE@
|
||||||
|
srcdir = @srcdir@
|
||||||
|
top_srcdir = @top_srcdir@
|
||||||
|
top_builddir = ../../..
|
||||||
|
subdir = sh/sh7032/delay
|
||||||
|
|
||||||
|
RTEMS_ROOT = @RTEMS_ROOT@
|
||||||
|
PROJECT_ROOT = @PROJECT_ROOT@
|
||||||
|
|
||||||
|
VPATH = @srcdir@
|
||||||
|
|
||||||
|
PGM = ${ARCH}/delay.rel
|
||||||
|
|
||||||
|
# C source names, if any, go here -- minus the .c
|
||||||
|
C_PIECES = delay
|
||||||
|
C_FILES = $(C_PIECES:%=%.c)
|
||||||
|
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
|
||||||
|
|
||||||
|
H_FILES =
|
||||||
|
|
||||||
|
# Assembly source names, if any, go here -- minus the .S
|
||||||
|
S_PIECES =
|
||||||
|
S_FILES = $(S_PIECES:%=%.S)
|
||||||
|
S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o)
|
||||||
|
|
||||||
|
SRCS = $(DOCS) $(C_FILES) $(H_FILES)
|
||||||
|
OBJS = $(C_O_FILES)
|
||||||
|
|
||||||
|
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||||
|
include $(RTEMS_ROOT)/make/leaf.cfg
|
||||||
|
|
||||||
|
INSTALL_CHANGE = @INSTALL_CHANGE@
|
||||||
|
|
||||||
|
#
|
||||||
|
# (OPTIONAL) Add local stuff here using +=
|
||||||
|
#
|
||||||
|
|
||||||
|
DEFINES +=
|
||||||
|
CPPFLAGS +=
|
||||||
|
CFLAGS +=
|
||||||
|
|
||||||
|
LD_PATHS +=
|
||||||
|
LD_LIBS +=
|
||||||
|
LDFLAGS +=
|
||||||
|
|
||||||
|
#
|
||||||
|
# Add your list of files to delete here. The config files
|
||||||
|
# already know how to delete some stuff, so you may want
|
||||||
|
# to just run 'make clean' first to see what gets missed.
|
||||||
|
# 'make clobber' already includes 'make clean'
|
||||||
|
#
|
||||||
|
|
||||||
|
CLEAN_ADDITIONS +=
|
||||||
|
CLOBBER_ADDITIONS +=
|
||||||
|
|
||||||
|
${PGM}: ${SRCS} ${OBJS}
|
||||||
|
$(make-rel)
|
||||||
|
|
||||||
|
all: ${ARCH} $(SRCS) $(PGM)
|
||||||
|
|
||||||
|
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||||
|
install: all
|
||||||
|
|
||||||
|
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
|
||||||
|
cd $(top_builddir) \
|
||||||
|
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
|
||||||
53
c/src/lib/libcpu/sh/sh7032/delay/delay.c
Normal file
53
c/src/lib/libcpu/sh/sh7032/delay/delay.c
Normal file
@@ -0,0 +1,53 @@
|
|||||||
|
/*
|
||||||
|
* This routine is a simple spin delay
|
||||||
|
*
|
||||||
|
* Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
|
||||||
|
*
|
||||||
|
* COPYRIGHT (c) 1999, Ralf Corsepius, Ulm, Germany
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* COPYRIGHT (c) 1989-1999.
|
||||||
|
* On-Line Applications Research Corporation (OAR).
|
||||||
|
* Copyright assigned to U.S. Government, 1994.
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.OARcorp.com/rtems/license.html.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#include <rtems.h>
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Simple spin delay in microsecond units for device drivers.
|
||||||
|
* This is very dependent on the clock speed of the target.
|
||||||
|
*
|
||||||
|
* Since we don't have a real time clock, this is a very rough
|
||||||
|
* approximation, assuming that each cycle of the delay loop takes
|
||||||
|
* approx. 4 machine cycles.
|
||||||
|
*
|
||||||
|
* e.g.: clicks_per_second = 20MHz
|
||||||
|
* => 5e-8 secs per instruction
|
||||||
|
* => 4 * 5e-8 secs per delay loop
|
||||||
|
*/
|
||||||
|
|
||||||
|
void CPU_delay( unsigned32 microseconds )
|
||||||
|
{
|
||||||
|
register unsigned32 clicks_per_usec =
|
||||||
|
rtems_cpu_configuration_get_clicks_per_second() / 1000000 ;
|
||||||
|
register unsigned32 _delay =
|
||||||
|
(microseconds) * (clicks_per_usec);
|
||||||
|
asm volatile (
|
||||||
|
"0: add #-4,%0\n
|
||||||
|
nop\n
|
||||||
|
cmp/pl %0\n
|
||||||
|
bt 0b
|
||||||
|
nop"
|
||||||
|
:: "r" (_delay) );
|
||||||
|
}
|
||||||
71
c/src/lib/libcpu/sh/sh7032/sci/Makefile.in
Normal file
71
c/src/lib/libcpu/sh/sh7032/sci/Makefile.in
Normal file
@@ -0,0 +1,71 @@
|
|||||||
|
##
|
||||||
|
## $Id$
|
||||||
|
##
|
||||||
|
|
||||||
|
@SET_MAKE@
|
||||||
|
srcdir = @srcdir@
|
||||||
|
top_srcdir = @top_srcdir@
|
||||||
|
top_builddir = ../../..
|
||||||
|
subdir = sh/sh7045/sci
|
||||||
|
|
||||||
|
RTEMS_ROOT = @RTEMS_ROOT@
|
||||||
|
PROJECT_ROOT = @PROJECT_ROOT@
|
||||||
|
|
||||||
|
VPATH = @srcdir@
|
||||||
|
|
||||||
|
PGM = ${ARCH}/sci.rel
|
||||||
|
|
||||||
|
# C source names, if any, go here -- minus the .c
|
||||||
|
C_PIECES = sci
|
||||||
|
C_FILES = $(C_PIECES:%=%.c)
|
||||||
|
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
|
||||||
|
|
||||||
|
H_FILES =
|
||||||
|
|
||||||
|
# Assembly source names, if any, go here -- minus the .s
|
||||||
|
S_PIECES =
|
||||||
|
S_FILES = $(S_PIECES:%=%.s)
|
||||||
|
S_O_FILES = $(S_FILES:%.s=${ARCH}/%.o)
|
||||||
|
|
||||||
|
SRCS = $(C_FILES) $(H_FILES) $(S_FILES)
|
||||||
|
OBJS = $(C_O_FILES) $(S_O_FILES)
|
||||||
|
|
||||||
|
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
|
||||||
|
include $(RTEMS_ROOT)/make/leaf.cfg
|
||||||
|
|
||||||
|
INSTALL_CHANGE = @INSTALL_CHANGE@
|
||||||
|
|
||||||
|
#
|
||||||
|
# (OPTIONAL) Add local stuff here using +=
|
||||||
|
#
|
||||||
|
|
||||||
|
DEFINES +=
|
||||||
|
CPPFLAGS +=
|
||||||
|
CFLAGS +=
|
||||||
|
|
||||||
|
LD_PATHS +=
|
||||||
|
LD_LIBS +=
|
||||||
|
LDFLAGS +=
|
||||||
|
|
||||||
|
#
|
||||||
|
# Add your list of files to delete here. The config files
|
||||||
|
# already know how to delete some stuff, so you may want
|
||||||
|
# to just run 'make clean' first to see what gets missed.
|
||||||
|
# 'make clobber' already includes 'make clean'
|
||||||
|
#
|
||||||
|
|
||||||
|
CLEAN_ADDITIONS +=
|
||||||
|
CLOBBER_ADDITIONS +=
|
||||||
|
|
||||||
|
${PGM}: ${SRCS} ${OBJS}
|
||||||
|
$(make-rel)
|
||||||
|
|
||||||
|
all: ${ARCH} $(SRCS) $(PGM)
|
||||||
|
|
||||||
|
# the .rel file built here will be put into libbsp.a by
|
||||||
|
# libbsp/sh/BSP/wrapup/Makefile
|
||||||
|
install: all
|
||||||
|
|
||||||
|
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
|
||||||
|
cd $(top_builddir) \
|
||||||
|
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
|
||||||
359
c/src/lib/libcpu/sh/sh7032/sci/sci.c
Normal file
359
c/src/lib/libcpu/sh/sh7032/sci/sci.c
Normal file
@@ -0,0 +1,359 @@
|
|||||||
|
/*
|
||||||
|
* /dev/sci[0|1] for Hitachi SH 703X
|
||||||
|
*
|
||||||
|
* Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de)
|
||||||
|
*
|
||||||
|
* COPYRIGHT (c) 1997-1999, Ralf Corsepius, Ulm, Germany
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* COPYRIGHT (c) 1998.
|
||||||
|
* On-Line Applications Research Corporation (OAR).
|
||||||
|
* Copyright assigned to U.S. Government, 1994.
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.OARcorp.com/rtems/license.html.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <rtems.h>
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#include <rtems/libio.h>
|
||||||
|
#include <iosupp.h>
|
||||||
|
#include <rtems/score/sh_io.h>
|
||||||
|
#include <rtems/score/ispsh7032.h>
|
||||||
|
#include <rtems/score/iosh7032.h>
|
||||||
|
#include <sh/sh7_sci.h>
|
||||||
|
#include <sh/sh7_pfc.h>
|
||||||
|
#include <sh/sci.h>
|
||||||
|
|
||||||
|
/*
|
||||||
|
* NOTE: Some SH variants have 3 sci devices
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define SCI_MINOR_DEVICES 2
|
||||||
|
|
||||||
|
#define SH_SCI_BASE_0 SCI0_SMR
|
||||||
|
#define SH_SCI_BASE_1 SCI1_SMR
|
||||||
|
|
||||||
|
struct scidev_t {
|
||||||
|
char * name ;
|
||||||
|
unsigned32 addr ;
|
||||||
|
rtems_device_minor_number minor ;
|
||||||
|
unsigned short opened ;
|
||||||
|
tcflag_t cflags ;
|
||||||
|
} sci_device[SCI_MINOR_DEVICES] =
|
||||||
|
{
|
||||||
|
{ "/dev/sci0", SH_SCI_BASE_0, 0, 0, B9600 | CS8 },
|
||||||
|
{ "/dev/sci1", SH_SCI_BASE_1, 1, 0, B9600 | CS8 }
|
||||||
|
} ;
|
||||||
|
|
||||||
|
/* imported from scitab.rel */
|
||||||
|
extern int _sci_get_brparms(
|
||||||
|
tcflag_t cflag,
|
||||||
|
unsigned char *smr,
|
||||||
|
unsigned char *brr );
|
||||||
|
|
||||||
|
/* Translate termios' tcflag_t into sci settings */
|
||||||
|
static int _sci_set_cflags(
|
||||||
|
struct scidev_t *sci_dev,
|
||||||
|
tcflag_t c_cflag )
|
||||||
|
{
|
||||||
|
unsigned8 smr ;
|
||||||
|
unsigned8 brr ;
|
||||||
|
|
||||||
|
if ( c_cflag & CBAUD )
|
||||||
|
{
|
||||||
|
if ( _sci_get_brparms( c_cflag, &smr, &brr ) != 0 )
|
||||||
|
return -1 ;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ( c_cflag & CSIZE )
|
||||||
|
{
|
||||||
|
if ( c_cflag & CS8 )
|
||||||
|
smr &= ~SCI_SEVEN_BIT_DATA;
|
||||||
|
else if ( c_cflag & CS7 )
|
||||||
|
smr |= SCI_SEVEN_BIT_DATA;
|
||||||
|
else
|
||||||
|
return -1 ;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ( c_cflag & CSTOPB )
|
||||||
|
smr |= SCI_STOP_BITS_2;
|
||||||
|
else
|
||||||
|
smr &= ~SCI_STOP_BITS_2;
|
||||||
|
|
||||||
|
if ( c_cflag & PARENB )
|
||||||
|
smr |= SCI_PARITY_ON ;
|
||||||
|
else
|
||||||
|
smr &= ~SCI_PARITY_ON ;
|
||||||
|
|
||||||
|
if ( c_cflag & PARODD )
|
||||||
|
smr |= SCI_ODD_PARITY ;
|
||||||
|
else
|
||||||
|
smr &= ~SCI_ODD_PARITY;
|
||||||
|
|
||||||
|
write8( smr, sci_dev->addr + SCI_SMR );
|
||||||
|
write8( brr, sci_dev->addr + SCI_BRR );
|
||||||
|
|
||||||
|
return 0 ;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void _sci_init(
|
||||||
|
rtems_device_minor_number minor )
|
||||||
|
{
|
||||||
|
unsigned16 temp16 ;
|
||||||
|
|
||||||
|
/* Pin function controller initialisation for asynchronous mode */
|
||||||
|
if( minor == 0)
|
||||||
|
{
|
||||||
|
temp16 = read16( PFC_PBCR1);
|
||||||
|
temp16 &= ~( PB8MD | PB9MD );
|
||||||
|
temp16 |= (PB_TXD0 | PB_RXD0);
|
||||||
|
write16( temp16, PFC_PBCR1);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
temp16 = read16( PFC_PBCR1);
|
||||||
|
temp16 &= ~( PB10MD | PB11MD);
|
||||||
|
temp16 |= (PB_TXD1 | PB_RXD1);
|
||||||
|
write16( temp16, PFC_PBCR1);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* disable sck-pin */
|
||||||
|
if( minor == 0)
|
||||||
|
{
|
||||||
|
temp16 = read16( PFC_PBCR1);
|
||||||
|
temp16 &= ~(PB12MD);
|
||||||
|
write16( temp16, PFC_PBCR1);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
temp16 = read16( PFC_PBCR1);
|
||||||
|
temp16 &= ~(PB13MD);
|
||||||
|
write16( temp16, PFC_PBCR1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void _sci_tx_polled(
|
||||||
|
int minor,
|
||||||
|
const char buf )
|
||||||
|
{
|
||||||
|
struct scidev_t *scidev = &sci_device[minor] ;
|
||||||
|
signed8 ssr ;
|
||||||
|
|
||||||
|
while ( !inb((scidev->addr + SCI_SSR) & SCI_TDRE ))
|
||||||
|
;
|
||||||
|
write8(buf,scidev->addr+SCI_TDR);
|
||||||
|
|
||||||
|
ssr = inb(scidev->addr+SCI_SSR);
|
||||||
|
ssr &= ~SCI_TDRE ;
|
||||||
|
write8(ssr,scidev->addr+SCI_SSR);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int _sci_rx_polled (
|
||||||
|
int minor)
|
||||||
|
{
|
||||||
|
struct scidev_t *scidev = &sci_device[minor] ;
|
||||||
|
|
||||||
|
unsigned char c;
|
||||||
|
char ssr ;
|
||||||
|
ssr = read8(scidev->addr + SCI_SSR) ;
|
||||||
|
|
||||||
|
if (ssr & (SCI_PER | SCI_FER | SCI_ORER))
|
||||||
|
write8(ssr & ~(SCI_PER | SCI_FER | SCI_ORER), scidev->addr+SCI_SSR);
|
||||||
|
|
||||||
|
if ( !(ssr & SCI_RDRF) )
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
c = read8(scidev->addr + SCI_RDR) ;
|
||||||
|
|
||||||
|
write8(ssr & ~SCI_RDRF,scidev->addr + SCI_SSR);
|
||||||
|
return c;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* sci_initialize
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_initialize(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void *arg )
|
||||||
|
{
|
||||||
|
rtems_device_driver status ;
|
||||||
|
rtems_device_minor_number i;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* register all possible devices.
|
||||||
|
* the initialization of the hardware is done by sci_open
|
||||||
|
*/
|
||||||
|
|
||||||
|
for ( i = 0 ; i < SCI_MINOR_DEVICES ; i++ )
|
||||||
|
{
|
||||||
|
status = rtems_io_register_name(
|
||||||
|
sci_device[i].name,
|
||||||
|
major,
|
||||||
|
sci_device[i].minor );
|
||||||
|
if (status != RTEMS_SUCCESSFUL)
|
||||||
|
rtems_fatal_error_occurred(status);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* default hardware setup */
|
||||||
|
|
||||||
|
return RTEMS_SUCCESSFUL;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Open entry point
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_open(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void * arg )
|
||||||
|
{
|
||||||
|
unsigned8 temp8;
|
||||||
|
|
||||||
|
/* check for valid minor number */
|
||||||
|
if(( minor > ( SCI_MINOR_DEVICES -1 )) || ( minor < 0 ))
|
||||||
|
{
|
||||||
|
return RTEMS_INVALID_NUMBER;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* device already opened */
|
||||||
|
if ( sci_device[minor].opened > 0 )
|
||||||
|
{
|
||||||
|
sci_device[minor].opened++ ;
|
||||||
|
return RTEMS_SUCCESSFUL ;
|
||||||
|
}
|
||||||
|
|
||||||
|
_sci_init( minor );
|
||||||
|
|
||||||
|
if (minor == 0) {
|
||||||
|
temp8 = read8(sci_device[minor].addr + SCI_SCR);
|
||||||
|
temp8 &= ~(SCI_TE | SCI_RE) ;
|
||||||
|
write8(temp8, sci_device[minor].addr + SCI_SCR); /* Clear SCR */
|
||||||
|
_sci_set_cflags( &sci_device[minor], sci_device[minor].cflags );
|
||||||
|
|
||||||
|
/* FIXME: Should be one bit delay */
|
||||||
|
CPU_delay(50000); /* microseconds */
|
||||||
|
|
||||||
|
temp8 |= SCI_RE | SCI_TE;
|
||||||
|
write8(temp8, sci_device[minor].addr + SCI_SCR); /* Enable clock output */
|
||||||
|
} else {
|
||||||
|
temp8 = read8(sci_device[minor].addr + SCI_SCR);
|
||||||
|
temp8 &= ~(SCI_TE | SCI_RE) ;
|
||||||
|
write8(temp8, sci_device[minor].addr + SCI_SCR); /* Clear SCR */
|
||||||
|
_sci_set_cflags( &sci_device[minor], sci_device[minor].cflags );
|
||||||
|
|
||||||
|
/* FIXME: Should be one bit delay */
|
||||||
|
CPU_delay(50000); /* microseconds */
|
||||||
|
|
||||||
|
temp8 |= SCI_RE | SCI_TE;
|
||||||
|
write8(temp8, sci_device[minor].addr + SCI_SCR); /* Enable clock output */
|
||||||
|
}
|
||||||
|
|
||||||
|
sci_device[minor].opened++ ;
|
||||||
|
|
||||||
|
return RTEMS_SUCCESSFUL ;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Close entry point
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_close(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void * arg
|
||||||
|
)
|
||||||
|
{
|
||||||
|
if( sci_device[minor].opened == 0 )
|
||||||
|
{
|
||||||
|
return RTEMS_INVALID_NUMBER;
|
||||||
|
}
|
||||||
|
|
||||||
|
sci_device[minor].opened-- ;
|
||||||
|
|
||||||
|
return RTEMS_SUCCESSFUL ;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* read bytes from the serial port.
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_read(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void * arg
|
||||||
|
)
|
||||||
|
{
|
||||||
|
int count = 0;
|
||||||
|
|
||||||
|
rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg;
|
||||||
|
char * buffer = rw_args->buffer;
|
||||||
|
int maximum = rw_args->count;
|
||||||
|
|
||||||
|
for (count = 0; count < maximum; count++) {
|
||||||
|
buffer[ count ] = _sci_rx_polled(minor);
|
||||||
|
if (buffer[ count ] == '\n' || buffer[ count ] == '\r') {
|
||||||
|
buffer[ count++ ] = '\n';
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
rw_args->bytes_moved = count;
|
||||||
|
return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* write bytes to the serial port.
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_write(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void * arg
|
||||||
|
)
|
||||||
|
{
|
||||||
|
int count;
|
||||||
|
|
||||||
|
rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg;
|
||||||
|
char *buffer = rw_args->buffer;
|
||||||
|
int maximum = rw_args->count;
|
||||||
|
|
||||||
|
for (count = 0; count < maximum; count++) {
|
||||||
|
#if 0
|
||||||
|
if ( buffer[ count ] == '\n') {
|
||||||
|
outbyte(minor, '\r');
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
_sci_tx_polled( minor, buffer[ count ] );
|
||||||
|
}
|
||||||
|
|
||||||
|
rw_args->bytes_moved = maximum;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* IO Control entry point
|
||||||
|
*/
|
||||||
|
|
||||||
|
rtems_device_driver sh_sci_control(
|
||||||
|
rtems_device_major_number major,
|
||||||
|
rtems_device_minor_number minor,
|
||||||
|
void * arg
|
||||||
|
)
|
||||||
|
{
|
||||||
|
/* Not yet supported */
|
||||||
|
return RTEMS_SUCCESSFUL ;
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user