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    /openrisc/trunk/rtos/ecos-2.0/packages/devs/watchdog/h8300
    from Rev 27 to Rev 174
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Rev 27 → Rev 174

/h8300h/v2_0/cdl/watchdog_h8300h.cdl
0,0 → 1,103
# ====================================================================
#
# watchdog_h8300h.cdl
#
# eCos watchdog for the Hitachi H8/300H driver configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos 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 or (at your option) any later version.
##
## eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): ysato
# Contributors: ysato
# Date: 2002-04-29
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_DEVICES_WATCHDOG_H8300_H8300H {
parent CYGPKG_IO_WATCHDOG
active_if CYGPKG_IO_WATCHDOG
display "H8/300H watchdog driver"
requires CYGPKG_HAL_H8300_H8300H
hardware
compile watchdog_h8300h.cxx
implements CYGINT_WATCHDOG_HW_IMPLEMENTATIONS
implements CYGINT_WATCHDOG_RESETS_ON_TIMEOUT
active_if CYGIMP_WATCHDOG_HARDWARE
 
cdl_option CYGIMP_WATCHDOG_HARDWARE {
parent CYGPKG_IO_WATCHDOG_IMPLEMENTATION
display "Hardware watchdog"
default_value 1
implements CYGINT_WATCHDOG_IMPLEMENTATIONS
}
 
cdl_component CYGPKG_DEVICES_WATCHDOG_H8300_H8300H_OPTIONS {
display "H8/300H watchdog build options"
flavor none
description "
Package specific build options including control over
compiler flags used only in building this package,
and details of which tests are built."
 
 
cdl_option CYGPKG_DEVICES_WATCHDOG_H8300_H8300H_CFLAGS_ADD {
display "Additional compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the watchdog device. These flags are used in addition
to the set of global flags."
}
 
cdl_option CYGPKG_DEVICES_WATCHDOG_H8300_H8300H_CFLAGS_REMOVE {
display "Suppressed compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the watchdog device. These flags are removed from
the set of global flags if present."
}
 
}
}
 
# EOF watchdog_h8300h.cdl
/h8300h/v2_0/src/watchdog_h8300h.cxx
0,0 → 1,113
//==========================================================================
//
// devs/watchdog/h8300/h83000/watchdog_h8300.cxx
//
// Watchdog implementation for Hitachi H8/300H CPUs
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos 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 or (at your option) any later version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): yoshinori sato
// Contributors: yoshinori sato
// Date: 2002-04-29
// Purpose: Watchdog class implementation
// Description: Contains an implementation of the Watchdog class for use
// with the Hitachi H8/300H watchdog timer.
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#include <pkgconf/system.h> // system configuration file
#include <pkgconf/watchdog.h> // configuration for this package
 
#include <cyg/infra/cyg_trac.h> // tracing macros
 
#include <cyg/hal/hal_io.h> // IO register access
#include <cyg/hal/mod_regs_wdt.h> // watchdog register definitions
 
#include <cyg/io/watchdog.hxx> // watchdog API
 
// -------------------------------------------------------------------------
// Constructor
 
void
Cyg_Watchdog::init_hw(void)
{
CYG_REPORT_FUNCTION();
// No hardware init needed.
 
resolution = CYGARC_WDT_PERIOD;
 
CYG_REPORT_RETURN();
}
 
// -------------------------------------------------------------------------
// Start the watchdog running.
 
void
Cyg_Watchdog::start()
{
CYG_REPORT_FUNCTION();
 
//Stop WDT
HAL_WRITE_UINT16(CYGARC_TCSR,CYGARC_TCSR_MAGIC);
//Clear WDT Count
HAL_WRITE_UINT16(CYGARC_TCSR,CYGARC_TCNT_MAGIC);
//Start WDT
HAL_WRITE_UINT16(CYGARC_TCSR,CYGARC_TCSR_MAGIC|
CYGARC_WDT_WT|CYGARC_WDT_TME|CYGARC_WDT_CKS);
CYG_REPORT_RETURN();
}
 
// -------------------------------------------------------------------------
// Reset watchdog timer. This needs to be called regularly to prevent
// the watchdog firing.
 
void
Cyg_Watchdog::reset()
{
CYG_REPORT_FUNCTION();
 
HAL_WRITE_UINT16(CYGARC_TCSR,CYGARC_TCNT_MAGIC);
CYG_REPORT_RETURN();
}
 
// -------------------------------------------------------------------------
// EOF watchdog_h8300.cxx
/h8300h/v2_0/ChangeLog
0,0 → 1,36
2002-08-14 Yoshinori Sato <qzb04471@nifty.ne.jp>
 
* New package.
 
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos 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 or (at your option) any later version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####

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