URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
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- This comparison shows the changes necessary to convert path
/openrisc/trunk/rtos/ecos-2.0/packages/devs/watchdog/sh
- from Rev 27 to Rev 174
- ↔ Reverse comparison
Rev 27 → Rev 174
/sh3/v2_0/cdl/watchdog_sh3.cdl
0,0 → 1,102
# ==================================================================== |
# |
# watchdog_sh3.cdl |
# |
# eCos watchdog for the Hitachi SH3 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_SH_SH3 { |
parent CYGPKG_IO_WATCHDOG |
active_if CYGPKG_IO_WATCHDOG |
display "SH3 watchdog driver" |
requires CYGPKG_HAL_SH |
requires CYGPKG_KERNEL |
hardware |
compile watchdog_sh3.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_SH_SH3_OPTIONS { |
display "SH3 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_SH_SH3_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_SH_SH3_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." |
} |
|
} |
} |
/sh3/v2_0/src/watchdog_sh3.cxx
0,0 → 1,141
//========================================================================== |
// |
// devs/watchdog/sh/sh3/watchdog_sh3.cxx |
// |
// Watchdog implementation for Hitachi SH 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): jskov |
// Contributors: jskov |
// Date: 1999-09-01 |
// Purpose: Watchdog class implementation |
// Description: Contains an implementation of the Watchdog class for use |
// with the Hitachi SH 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/hal/sh_regs.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_REG_WTCSR_PERIOD; |
|
CYG_REPORT_RETURN(); |
} |
|
// ------------------------------------------------------------------------- |
// Start the watchdog running. |
|
void |
Cyg_Watchdog::start() |
{ |
CYG_REPORT_FUNCTION(); |
|
// Init the watchdog timer (note: 8 bit reads, 16 bit writes) |
cyg_uint16 csr; |
// First disable without changing other bits. |
HAL_READ_UINT8(CYGARC_REG_WTCSR, csr); |
csr |= CYGARC_REG_WTCSR_WRITE; |
csr &= ~CYGARC_REG_WTCSR_TME; |
HAL_WRITE_UINT16(CYGARC_REG_WTCSR, csr); |
// Then set control bits and clear counter. |
csr = (CYGARC_REG_WTCSR_WRITE |
|CYGARC_REG_WTCSR_WT_IT |
|CYGARC_REG_WTCSR_CKSx_SETTING); |
HAL_WRITE_UINT16(CYGARC_REG_WTCSR, csr); |
HAL_WRITE_UINT16(CYGARC_REG_WTCNT, CYGARC_REG_WTCNT_WRITE); |
// Finally enable timer. |
csr |= CYGARC_REG_WTCSR_TME; |
HAL_WRITE_UINT16(CYGARC_REG_WTCSR, csr); |
|
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_REG_WTCNT, CYGARC_REG_WTCNT_WRITE); |
|
CYG_REPORT_RETURN(); |
} |
|
#if 0 |
// ------------------------------------------------------------------------- |
// Trigger the watchdog as if the timer had expired. |
|
void |
Cyg_Watchdog::action_reset(void) |
{ |
CYG_REPORT_FUNCTION(); |
|
start(); |
|
HAL_WRITE_UINT16(CYGARC_REG_WTCNT, CYGARC_REG_WTCNT_WRITE|0xfe); |
|
CYG_REPORT_RETURN(); |
} |
#endif |
|
// ------------------------------------------------------------------------- |
// EOF watchdog_sh3.cxx |
/sh3/v2_0/ChangeLog
0,0 → 1,44
2000-05-31 Jesper Skov <jskov@redhat.com> |
|
* cdl/watchdog_sh3.cdl: |
* src/watchdog_sh3.cxx: |
Driver moved to devs/watchdog/sh/sh3. Stripped out |
unrelated ChangeLog entries. |
|
1999-09-01 Jesper Skov <jskov@cygnus.co.uk> |
|
* src/sh.cxx: |
Added watchdog driver for SH. |
|
//####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#### |