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  • This comparison shows the changes necessary to convert path 
    /openrisc/trunk/rtos/ecos-2.0/packages/devs/watchdog/arm/aeb
    from Rev 27 to Rev 174
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Rev 27 → Rev 174

/v2_0/cdl/watchdog_aeb.cdl
0,0 → 1,102
# ====================================================================
#
# watchdog_aeb.cdl
#
# eCos watchdog for ARM/AEB 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): jskov
# Contributors: jskov
# Date: 2000-05-31
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_DEVICES_WATCHDOG_ARM_AEB {
parent CYGPKG_IO_WATCHDOG
active_if CYGPKG_IO_WATCHDOG
display "AEB watchdog driver"
requires CYGPKG_HAL_ARM_AEB
requires CYGPKG_KERNEL
hardware
compile watchdog_aeb.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_ARM_AEB_OPTIONS {
display "AEB 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_ARM_AEB_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_ARM_AEB_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."
}
 
}
}
/v2_0/src/watchdog_aeb.cxx
0,0 → 1,161
//==========================================================================
//
// devs/watchdog/arm/aeb/watchdog_aeb.cxx
//
// Watchdog implementation for ARM AEB1 board (SHARP LH77790 CPU)
//
//==========================================================================
//####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): jskov
// Contributors: jskov
// Date: 1999-09-01
// Purpose: Watchdog class implementation
// Description: Contains an implementation of the Watchdog class for use
// with the SHARP LH77790 watchdog timer.
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#include <pkgconf/system.h> // system configuration file
#include <pkgconf/watchdog.h> // configuration for this package
#include <pkgconf/kernel.h> // kernel config
 
#include <cyg/infra/cyg_trac.h> // tracing macros
#include <cyg/kernel/instrmnt.h> // instrumentation
 
#include <cyg/hal/hal_io.h> // IO register access
 
#include <cyg/io/watchdog.hxx> // watchdog API
 
// -------------------------------------------------------------------------
// Register definitions
#define CYGARC_REG_WATCHDOG_BASE 0xFFFFAC00
#define CYGARC_REG_WATCHDOG_WDCTLR (CYGARC_REG_WATCHDOG_BASE+0x30)
#define CYGARC_REG_WATCHDOG_WDCNTR (CYGARC_REG_WATCHDOG_BASE+0x34)
 
// Control register bits
#define CYGARC_REG_WATCHDOG_WDCTLR_EN 0x01 // enable
#define CYGARC_REG_WATCHDOG_WDCTLR_RSP_NMF 0x00 // non-maskable fiq
#define CYGARC_REG_WATCHDOG_WDCTLR_RSP_ER 0x04 // external reset
#define CYGARC_REG_WATCHDOG_WDCTLR_RSP_SR 0x06 // system reset
#define CYGARC_REG_WATCHDOG_WDCTLR_FRZ 0x08 // lock enable bit
#define CYGARC_REG_WATCHDOG_WDCTLR_TOP_MASK 0x70 // time out period
 
#define CYGARC_REG_WATCHDOG_WDCTLR_TOP_17 0x00 // 2^17
#define CYGARC_REG_WATCHDOG_WDCTLR_TOP_17_P 5242880 // = 5.2ms
 
#define CYGARC_REG_WATCHDOG_WDCTLR_TOP_25 0x40 // 2^25
#define CYGARC_REG_WATCHDOG_WDCTLR_TOP_25_P 1342177300 // = 1.3421773s
 
 
// -------------------------------------------------------------------------
// Constructor
 
void
Cyg_Watchdog::init_hw(void)
{
CYG_REPORT_FUNCTION();
// No HW init.
 
resolution = CYGARC_REG_WATCHDOG_WDCTLR_TOP_25_P;
 
CYG_REPORT_RETURN();
}
 
// -------------------------------------------------------------------------
// Start the watchdog running.
 
void
Cyg_Watchdog::start()
{
CYG_REPORT_FUNCTION();
 
// Clear the watchdog counter.
HAL_WRITE_UINT32(CYGARC_REG_WATCHDOG_WDCNTR, 0);
 
// Enable the watchdog (and lock/FRZ it).
HAL_WRITE_UINT8(CYGARC_REG_WATCHDOG_WDCTLR,
(CYGARC_REG_WATCHDOG_WDCTLR_TOP_25
| CYGARC_REG_WATCHDOG_WDCTLR_FRZ
| CYGARC_REG_WATCHDOG_WDCTLR_RSP_SR
| CYGARC_REG_WATCHDOG_WDCTLR_EN));
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_UINT32(CYGARC_REG_WATCHDOG_WDCNTR, 0);
CYG_REPORT_RETURN();
}
 
#if 0
// -------------------------------------------------------------------------
// Action which will do a board reset. Application can register this
// action to get a board reset on watchdog timeout.
 
void
Cyg_Watchdog::reset_action(void)
{
CYG_REPORT_FUNCTION();
// Clear the watchdog counter.
HAL_WRITE_UINT32(CYGARC_REG_WATCHDOG_WDCNTR, 0);
 
// Enable the watchdog with the smallest timeout.
HAL_WRITE_UINT8(CYGARC_REG_WATCHDOG_WDCTLR,
(CYGARC_REG_WATCHDOG_WDCTLR_TOP_17
| CYGARC_REG_WATCHDOG_WDCTLR_FRZ
| CYGARC_REG_WATCHDOG_WDCTLR_RSP_SR
| CYGARC_REG_WATCHDOG_WDCTLR_EN));
 
CYG_REPORT_RETURN();
}
#endif
 
// -------------------------------------------------------------------------
// EOF watchdog_aeb.cxx
/v2_0/ChangeLog
0,0 → 1,44
2000-05-31 Jesper Skov <jskov@redhat.com>
 
* cdl/watchdog_aeb.cdl:
* src/watchdog_aeb.cxx:
Driver moved to devs/watchdog/arm/aeb. Stripped out
unrelated ChangeLog entries.
 
1999-09-07 Jesper Skov <jskov@cygnus.co.uk>
 
* src/aeb1.cxx: [added]
Added watchdog driver for AEB-1 board.
 
//####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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