OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

Compare Revisions

  • This comparison shows the changes necessary to convert path
    /openrisc/trunk/rtos/ecos-2.0/packages/devs/flash/sh/se7751
    from Rev 27 to Rev 174
    Reverse comparison

Rev 27 → Rev 174

/v2_0/cdl/flash_sh_se7751.cdl
0,0 → 1,71
# ====================================================================
#
# flash_sh_se7751.cdl
#
# FLASH memory - Hardware support on Hitachi SH/SE7751
#
# ====================================================================
#####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: jskov
# Contributors:
# Date: 2001-07-09
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_DEVS_FLASH_SH_SE7751 {
display "Hitachi SH/SE7751 FLASH memory support"
 
parent CYGPKG_IO_FLASH
active_if CYGPKG_IO_FLASH
requires CYGPKG_HAL_SH_SH7751_SE7751
 
implements CYGHWR_IO_FLASH_DEVICE
 
compile sh_se7751_flash.c
 
# Arguably this should do in the generic package
# but then there is a logic loop so you can never enable it.
cdl_interface CYGINT_DEVS_FLASH_AMD_AM29XXXXX_REQUIRED {
display "Generic AMD flash driver required"
}
 
implements CYGINT_DEVS_FLASH_AMD_AM29XXXXX_REQUIRED
requires CYGHWR_DEVS_FLASH_AMD_AM29LV160
}
/v2_0/src/sh_se7751_flash.c
0,0 → 1,102
//==========================================================================
//
// sh_se7751_flash.c
//
// Flash programming for Fujitsu/AMD device on SH SE7751 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####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jskov
// Contributors: jskov
// Date: 2001-07-09
// Purpose:
// Description:
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
#include <cyg/infra/cyg_type.h>
 
//--------------------------------------------------------------------------
// Device properties
 
#define CYGNUM_FLASH_INTERLEAVE (2)
#define CYGNUM_FLASH_SERIES (1)
#define CYGNUM_FLASH_WIDTH (16)
#define CYGNUM_FLASH_BASE (plf_flash_base)
 
static cyg_uint32 plf_flash_base;
 
//--------------------------------------------------------------------------
// Platform specific extras
 
static void plf_flash_init(void);
#define CYGHWR_FLASH_AM29XXXXX_PLF_INIT() plf_flash_init()
 
//--------------------------------------------------------------------------
// Now include the driver code.
#include "cyg/io/flash_am29xxxxx.inl"
 
//--------------------------------------------------------------------------
// Magic to determine location of flash
// This works by querying at the location where we expect the EPROM to
// be. Then the returned data is compared with the data at that location.
// If there's a match, assume that to be the location of the EPROM.
// Otherwise it's at the other location.
//
// This is done to avoid having separate configurations for the two board
// configurations. This is simple, has negligible overhead, and Just Works.
void
plf_flash_init(void)
{
flash_data_t id[2];
flash_data_t* p;
 
plf_flash_base = 0xa1000000;
flash_dev_query(id);
 
p = (flash_data_t*)0xa1000000;
if (id[0] == *p++ && id[1] == *p)
plf_flash_base = 0xa0000000;
// Make that the cached region.
plf_flash_base &= ~0x20000000;
}
 
// ------------------------------------------------------------------------
// EOF sh_se7751_flash.c
/v2_0/ChangeLog
0,0 → 1,38
2001-07-09 Jesper Skov <jskov@redhat.com>
 
* Added flash support for SE7751.
 
//===========================================================================
//####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####
//===========================================================================

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.