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authorSebastian Huber <sebastian.huber@embedded-brains.de>2017-12-08 13:23:41 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2017-12-08 13:23:41 +0100
commitb850e7fb76d224f576de6aff2dfa65d5912e9f3f (patch)
tree023288d9741dd8be21fe07d7d5b27980ad2dca90 /c/src/lib/libcpu/sh/sh7032/sci
parent604f080c2cb526593b9236b5248ca9c2cd92e9b5 (diff)
downloadrtems-b850e7fb76d224f576de6aff2dfa65d5912e9f3f.tar.bz2
bsp/gensh1: Move libcpu files to BSP
Update #3254.
Diffstat (limited to 'c/src/lib/libcpu/sh/sh7032/sci')
-rw-r--r--c/src/lib/libcpu/sh/sh7032/sci/sci.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/c/src/lib/libcpu/sh/sh7032/sci/sci.c b/c/src/lib/libcpu/sh/sh7032/sci/sci.c
deleted file mode 100644
index 04d9ca5c70..0000000000
--- a/c/src/lib/libcpu/sh/sh7032/sci/sci.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * /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).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <rtems.h>
-
-#include <stdlib.h>
-
-#include <rtems/libio.h>
-#include <rtems/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 ;
- uint32_t addr ;
- rtems_device_minor_number minor ;
- unsigned short opened ;
- tcflag_t cflags ;
- speed_t spd ;
-} sci_device[SCI_MINOR_DEVICES] =
-{
- { "/dev/sci0", SH_SCI_BASE_0, 0, 0, CS8, B9600 },
- { "/dev/sci1", SH_SCI_BASE_1, 1, 0, CS8, B9600 }
-} ;
-
-/* imported from scitab.rel */
-extern int _sci_get_brparms(
- speed_t spd,
- 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,
- speed_t spd )
-{
- uint8_t smr ;
- uint8_t brr ;
-
- if ( spd )
- {
- if ( _sci_get_brparms( spd, &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 )
-{
- uint16_t 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] ;
- int8_t 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 )
-{
- uint8_t 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, sci_device[minor].spd );
-
-/* 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, sci_device[minor].spd );
-
-/* 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 ;
-}