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    /openrisc/trunk/rtos/ecos-2.0/packages/devs/wallclock/sh
    from Rev 27 to Rev 174
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  •

Rev 27 → Rev 174

/hs7729pci/v2_0/cdl/wallclock_hs7729pci.cdl
0,0 → 1,65
# ====================================================================
#
# wallclock_hs7729pci.cdl
#
# eCos wallclock for HS7729PCI 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: 2001-07-06
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_DEVICES_WALLCLOCK_SH_HS7729PCI {
parent CYGPKG_IO_WALLCLOCK
active_if CYGPKG_IO_WALLCLOCK
display "HS7729PCI wallclock driver"
requires CYGPKG_DEVICES_WALLCLOCK_DALLAS_DS12887
requires CYGPKG_HAL_SH_SH7729_HS7729PCI
hardware
include_dir cyg/io
 
define_proc {
puts $::cdl_system_header "/***** wallclock driver proc output start *****/"
puts $::cdl_system_header "#define CYGDAT_DEVS_WALLCLOCK_DALLAS_12887_INL <cyg/io/devs_wallclock_sh_hs7729pci.inl>"
puts $::cdl_system_header "/***** wallclock driver proc output end *****/"
}
}
/hs7729pci/v2_0/include/devs_wallclock_sh_hs7729pci.inl
0,0 → 1,70
//==========================================================================
//
// wallclock_hs7729pci.inl
//
// HS7729PCI wallclock details
//
//==========================================================================
//####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: 2001-07-06
// Purpose: Wallclock driver details for HS7729PCI
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#define nDS_LINEAR
#define DS_ADDR 0xa80000e0
#define DS_DATA 0xa80000e2
 
#define DS_READ_UINT8(_a_, _d_) \
CYG_MACRO_START \
cyg_uint16 t; \
HAL_READ_UINT16((_a_), t); \
(_d_) = (t >> 8) & 0xff; \
CYG_MACRO_END
 
#define DS_WRITE_UINT8(_a_, _d_) \
CYG_MACRO_START \
HAL_WRITE_UINT16((_a_), (_d_)<<8); \
CYG_MACRO_END
 
 
//-----------------------------------------------------------------------------
// End of wallclock_hs7729pci.inl
/hs7729pci/v2_0/ChangeLog
0,0 → 1,38
2001-07-06 Jesper Skov <jskov@redhat.com>
 
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####
 
 
/sh3/v2_0/cdl/wallclock_sh3.cdl
0,0 → 1,101
# ====================================================================
#
# wallclock_sh3.cdl
#
# eCos wallclock SH3 RTC-module 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
# Original data: nickg
# Contributors:
# Date: 2000-04-05
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_DEVICES_WALLCLOCK_SH3 {
parent CYGPKG_IO_WALLCLOCK
active_if CYGPKG_IO_WALLCLOCK
display "SH3 RTC-module wallclock driver"
requires CYGPKG_HAL_SH
hardware
compile wallclock_sh3.cxx
implements CYGINT_WALLCLOCK_HW_IMPLEMENTATIONS
active_if CYGIMP_WALLCLOCK_HARDWARE
 
cdl_option CYGIMP_WALLCLOCK_HARDWARE {
parent CYGPKG_IO_WALLCLOCK_IMPLEMENTATION
display "Hardware wallclock"
default_value 1
implements CYGINT_WALLCLOCK_IMPLEMENTATIONS
}
 
cdl_component CYGPKG_DEVICES_WALLCLOCK_SH3_OPTIONS {
display "SH3 RTC-module wallclock 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_WALLCLOCK_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 wallclock device. These flags are used in addition
to the set of global flags."
}
 
cdl_option CYGPKG_DEVICES_WALLCLOCK_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 wallclock device. These flags are removed from
the set of global flags if present."
}
 
}
}
/sh3/v2_0/src/wallclock_sh3.cxx
0,0 → 1,175
//==========================================================================
//
// devs/wallclock/sh3.cxx
//
// SH3 RTC module driver.
//
//==========================================================================
//####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: 2000-03-17
// Purpose: Wallclock driver for SH3 CPU RTC module
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#include <pkgconf/wallclock.h> // Wallclock device config
 
#include <cyg/hal/hal_io.h> // IO macros
#include <cyg/infra/cyg_type.h> // Common type definitions and support
 
#include <cyg/io/wallclock.hxx> // The WallClock API
#include <cyg/io/wallclock/wallclock.inl> // Helpers
 
#include <cyg/hal/sh_regs.h> // RTC register definitions
 
#include <cyg/infra/diag.h> // For debugging
 
 
 
//-----------------------------------------------------------------------------
// Functions for setting and getting the hardware clock counters
 
// Year must be last two digits of "western calendar year". Leap year when
// divisible by four.
static void
set_sh3_hwclock(cyg_uint32 year, cyg_uint32 month, cyg_uint32 mday,
cyg_uint32 hour, cyg_uint32 minute, cyg_uint32 second)
{
// Stop RTC
HAL_WRITE_UINT8(CYGARC_REG_RCR2, CYGARC_REG_RCR2_RESET);
 
// Program it
HAL_WRITE_UINT8(CYGARC_REG_RYRCNT, TO_BCD(year));
HAL_WRITE_UINT8(CYGARC_REG_RMONCNT, TO_BCD(month));
HAL_WRITE_UINT8(CYGARC_REG_RDAYCNT, TO_BCD(mday));
HAL_WRITE_UINT8(CYGARC_REG_RHRCNT, TO_BCD(hour));
HAL_WRITE_UINT8(CYGARC_REG_RMINCNT, TO_BCD(minute));
HAL_WRITE_UINT8(CYGARC_REG_RSECCNT, TO_BCD(second));
 
// Start RTC
HAL_WRITE_UINT8(CYGARC_REG_RCR1, CYGARC_REG_RCR1_CIE);
HAL_WRITE_UINT8(CYGARC_REG_RCR2,
CYGARC_REG_RCR2_RTCEN | CYGARC_REG_RCR2_START);
 
}
 
static void
get_sh3_hwclock(cyg_uint32* year, cyg_uint32* month, cyg_uint32* mday,
cyg_uint32* hour, cyg_uint32* minute, cyg_uint32* second)
{
cyg_uint8 tmp;
 
do {
// Clear carry flag
HAL_WRITE_UINT8(CYGARC_REG_RCR1, 0);
// Read time
HAL_READ_UINT8(CYGARC_REG_RYRCNT, tmp);
*year = TO_DEC(tmp);
HAL_READ_UINT8(CYGARC_REG_RMONCNT, tmp);
*month = TO_DEC(tmp);
HAL_READ_UINT8(CYGARC_REG_RDAYCNT, tmp);
*mday = TO_DEC(tmp);
HAL_READ_UINT8(CYGARC_REG_RHRCNT, tmp);
*hour = TO_DEC(tmp);
HAL_READ_UINT8(CYGARC_REG_RMINCNT, tmp);
*minute = TO_DEC(tmp);
HAL_READ_UINT8(CYGARC_REG_RSECCNT, tmp);
*second = TO_DEC(tmp);
 
// Read carry flag
HAL_READ_UINT8(CYGARC_REG_RCR1, tmp);
} while (CYGARC_REG_RCR1_CF & tmp); // loop if carry set
}
 
//-----------------------------------------------------------------------------
// Functions required for the hardware-driver API.
 
// Returns the number of seconds elapsed since 1970-01-01 00:00:00.
cyg_uint32
Cyg_WallClock::get_hw_seconds(void)
{
cyg_uint32 year, month, mday, hour, minute, second;
 
get_sh3_hwclock(&year, &month, &mday, &hour, &minute, &second);
 
#if 0
// This will cause the test to eventually fail due to these printouts
// causing timer interrupts to be lost...
diag_printf("year %02d\n", year);
diag_printf("month %02d\n", month);
diag_printf("mday %02d\n", mday);
diag_printf("hour %02d\n", hour);
diag_printf("minute %02d\n", minute);
diag_printf("second %02d\n", second);
#endif
 
#ifndef CYGSEM_WALLCLOCK_SET_GET_MODE
// We know what we initialized the hardware for : 1970, so by doing this
// the returned time should be OK for 30 years uptime.
year += 1900;
#else
// Need to use sliding window or similar to figure out what the
// century should be... Patent issue is unclear, and since there's
// no battery backup of the clock, there's little point in
// investigating.
# error "Need some magic here to figure out century counter"
#endif
 
cyg_uint32 now = _simple_mktime(year, month, mday, hour, minute, second);
return now;
}
 
#ifndef CYGSEM_WALLCLOCK_SET_GET_MODE
 
void
Cyg_WallClock::init_hw_seconds(void)
{
// This is our base: 1970-01-01 00:00:00
// Set the HW clock - if for nothing else, just to be sure it's in a
// legal range. Any arbitrary base could be used.
// After this the hardware clock is only read.
set_sh3_hwclock(70,1,1,0,0,0);
}
 
#endif // CYGSEM_WALLCLOCK_SET_GET_MODE
 
//-----------------------------------------------------------------------------
// End of devs/wallclock/sh3.cxx
/sh3/v2_0/ChangeLog
0,0 → 1,83
2001-07-09 Jesper Skov <jskov@redhat.com>
 
* src/wallclock_sh3.cxx: fix description.
 
2001-03-20 Jesper Skov <jskov@redhat.com>
 
* src/wallclock_sh3.cxx: Don't include kernel config.
 
2000-05-26 Jesper Skov <jskov@redhat.com>
 
* cdl/wallclock_sh3.cdl: CYGSEM_WALLCLOCK_SET_GET_MODE moved to IO
package.
 
* src/wallclock_sh3.cxx: Get helpers from new file.
 
2000-04-06 Jesper Skov <jskov@redhat.com>
 
* cdl/wallclock_sh3.cdl: Only active when wallclock is.
 
2000-04-05 John Dallaway <jld@cygnus.co.uk>
 
* cdl/wallclock_sh3.cdl:
 
Provide hardware wallclock implementation as a radio button.
 
2000-04-05 Jesper Skov <jskov@redhat.com>
 
* src/wallclock_sh3.cxx:
Moved from devs/wallclock/current to here.
Get API from io/wallclock.
Deleted all non-SH3 changelog entries
 
2000-03-29 Jesper Skov <jskov@redhat.com>
 
* tests/wallclock2.cxx:
* include/wallclock.hxx:
* src/sh3.cxx:
* src/wallclock.cxx:
* cdl/wallclock.cdl:
Reworked WallClock API. It should now be simpler to add new
wallclock drivers. Added a simple test to print out the current
wallclock value so a human can verify battery backup works.
 
2000-03-17 Jesper Skov <jskov@redhat.com>
 
* cdl/wallclock.cdl:
* src/sh3.cxx:
Added wallclock driver for SH3 RTC module.
 
//####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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