hal_arm_at91.cdl

开放源码实时操作系统源码.

# ====================================================================
#
#      hal_arm_at91.cdl
#
#      Atmel AT91 HAL package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
## Copyright (C) 2003 Nick Garnett <[e-mail]>
##
## 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):      gthomas
# Contributors:   gthomas, tkoeller, tdrury, nickg
# Date:           2001-07-12
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_ARM_AT91 {
    display       "Atmel AT91 variant HAL"
    parent        CYGPKG_HAL_ARM
    define_header hal_arm_at91.h
    include_dir   cyg/hal
    hardware
    description   "
        The AT91 HAL package provides the support needed to run
        eCos on Atmel AT91 based targets."

    compile       at91_misc.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS
    implements    CYGINT_HAL_DEBUG_GDB_STUBS_BREAK
    implements    CYGINT_HAL_VIRTUAL_VECTOR_SUPPORT
    implements    CYGINT_HAL_VIRTUAL_VECTOR_COMM_BAUD_SUPPORT
    implements    CYGINT_HAL_ARM_ARCH_ARM7
    implements    CYGINT_HAL_ARM_THUMB_ARCH

    # Let the architectural HAL see this variant's files
    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_ARM_VAR_IO_H"
        puts $::cdl_system_header "#define CYGBLD_HAL_ARM_VAR_ARCH_H"
    }

    cdl_option CYGHWR_HAL_ARM_AT91 {
        display        "AT91 variant used"
        flavor         data
        default_value  {"R40807"}
        legal_values   {"R40807" "R40008" "M42800A" "M55800A" "JTST" 
                        "AT91SAM7S" }
        description    "The AT91 microcontroller family has several variants,
                        the main differences being the amount of on-chip SRAM,
                        peripherals and their layout. This option allows the
                        platform HALs to select the specific microcontroller
                        being used."
    }

    cdl_option CYGHWR_HAL_ARM_AT91_FIQ {
        display       "handle FIQ as an IRQ"
        flavor        bool
        default_value 0
        description   "
            Enable this option if you need to handle FIQ interrupts in the
            normal way, i.e. a FIQ interrupt will be treated as a normal IRQ 
            using the highest priority"
    }

    cdl_interface CYGINT_HAL_ARM_AT91_SYS_INTERRUPT {
        display     "AT91 core has multiplexed system interrupts"    
        description "
            Some AT91 cores have a system controller which multiplexes
            many interrupts onto the system interrupt. When this interface
            is enabled the variant hal will perform a second level
            expansion of these interrupts"
    }

    cdl_interface CYGINT_HAL_ARM_AT91_PIT_HW {
        display     "Platform has a Periodic Interval Timer"
        description "
            This interface if implemented by HALs for CPU cores which
            have the Periodic Interval Timer."
    }

    cdl_option CYGBLD_HAL_ARM_AT91_TIMER_TC {
        display       "Use Timer Counter for eCos Clock"
        flavor        bool
        default_value 1
        requires      !CYGBLD_HAL_ARM_AT91_TIMER_PIT
        compile       timer_tc.c
        description   "
            Use a Timer Counter Channel to generate the eCos Clock."
    }

    cdl_option CYGBLD_HAL_ARM_AT91_TIMER_PIT {
        display       "Use Periodic Interval Timer for eCos Clock"
        flavor        bool
        default_value !CYGBLD_HAL_ARM_AT91_TIMER_TC
        requires      !CYGBLD_HAL_ARM_AT91_TIMER_TC
        active_if     CYGINT_HAL_ARM_AT91_PIT_HW
        compile       timer_pit.c
        description   "
            Use Periodic Interval Timer to generate the eCos Clock."
    }

    cdl_interface CYGINT_HAL_ARM_AT91_SERIAL_DBG_HW {
        display     "Platform has the DBG serial port"
        description "
            Some varients of the AT91 have a dedicated debug serial
            port. The HALs of such a varient should implement this interface
            so allowing the serial driver to the compiled"
    }

    cdl_option CYGBLD_HAL_ARM_AT91_SERIAL_DBG {
        display       "Enable the use of the DBG serial port"
        flavor        bool
        active_if     CYGINT_HAL_ARM_AT91_SERIAL_DBG_HW
        active_if     !CYGBLD_HAL_ARM_AT91_SERIAL_UART
        requires      CYGINT_HAL_ARM_AT91_SYS_INTERRUPT
        default_value 1

        compile       hal_diag_dbg.c 
        requires      CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL == 0
        requires      CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL == 0

        description   "
            The driver for the dedicated DBG UART will be compiled in the
            varient HAL when this option is enabled."
    }

    cdl_option CYGBLD_HAL_ARM_AT91_SERIAL_UART {
        display       "Enable the use of the UARTS for debug output"
        flavor        bool
        default_value 1
        compile       hal_diag.c 
        requires      !CYGBLD_HAL_ARM_AT91_SERIAL_DBG
        description   "        
            The driver for using the UARTS will be compiled in the
            varient HAL when this option is enabled."
    }
}