io_flash.cdl

基于ecos的redboot

# ====================================================================
#
#      io_flash.cdl
#
#      eCos IO configuration data
#
# ====================================================================
#####COPYRIGHTBEGIN####
#                                                                          
# -------------------------------------------                              
# The contents of this file are subject to the Red Hat eCos Public License 
# Version 1.1 (the "License"); you may not use this file except in         
# compliance with the License.  You may obtain a copy of the License at    
# http://www.redhat.com/                                                   
#                                                                          
# Software distributed under the License is distributed on an "AS IS"      
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
# License for the specific language governing rights and limitations under 
# the License.                                                             
#                                                                          
# The Original Code is eCos - Embedded Configurable Operating System,      
# released September 30, 1998.                                             
#                                                                          
# The Initial Developer of the Original Code is Red Hat.                   
# Portions created by Red Hat are                                          
# Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.                             
# All Rights Reserved.                                                     
# -------------------------------------------                              
#                                                                          
#####COPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      gthomas
# Original data:  gthomas
# Contributors:
# Date:           2000-07-06
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_IO_FLASH {
    display       "FLASH device drivers"
    include_dir   cyg/io
    description   "
        This option enables drivers for basic I/O services on
        flash devices."
    doc           redirect/ecos-device-drivers.html

    compile       flash.c
 
    define_proc {
        puts $::cdl_header "#include <pkgconf/system.h>"
        puts $::cdl_header "#ifdef CYGDAT_IO_FLASH_DEVICE_HEADER"
        puts $::cdl_header "# include CYGDAT_IO_FLASH_DEVICE_HEADER"
        puts $::cdl_header "#endif "
    }

    cdl_option CYGNUM_FLASH_WORKSPACE_SIZE {
        display       "Extra memory required by FLASH device drivers"
	flavor        data
        default_value 0x1000
        description   "
            Use this option to control how much extra memory is used
            by the FLASH drivers to perform certain operations. This
            memory is used to hold driver functions in RAM (for platforms
            which require it).  The value should thus be large enough
            to hold any such driver.  Reducing this value will make
            more RAM available to general programs."
    }

    cdl_interface CYGHWR_IO_FLASH_DEVICE {
        display       "Hardware FLASH device drivers"
        description   "
            This option enables the hardware device drivers
            for the current platform."
    }

    cdl_interface CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM {
        display       "Hardware FLASH device drivers are not in RAM"
        flavor        booldata
        description   "
            This option makes the IO driver copy the device
            driver functions to RAM before calling them. Newer
            drivers should make sure that the functions are
            linked to RAM by putting them in .2ram sections."
    }

    cdl_interface CYGHWR_IO_FLASH_BLOCK_LOCKING {
        display       "Hardware can support block locking"
        flavor        booldata
        description   "
            This option will be enabled by devices which can support
            locking (write-protection) of individual blocks."
    }

    cdl_option CYGSEM_IO_FLASH_VERIFY_PROGRAM {
        display          "Verify data programmed to flash"
        flavor           bool
        default_value    1
        description      "
           Selecting this option will cause verification of data
           programmed to flash."
    }
    cdl_option CYGSEM_IO_FLASH_SOFT_WRITE_PROTECT {
        display          "Platform has flash soft DIP switch write-protect"
        flavor           bool
        default_value    0
        description      "
           Selecting this option will cause the state of a hardware jumper or
           dipswitch to be read by software to determine whether the flash is
           write-protected or not."
    }
}