hal_arm_mac7100_mace1.cdl

开放源码实时操作系统源码.

# ====================================================================
#
#      hal_arm_mac7100_mace1.cdl
#
#      ARM MAC7100 MACE1 HAL package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
## Copyright (C) 2003 Nick Garnett <[e-mail]>
## Copyright (C) 2006 eCosCentric Ltd
##
## 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.
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      Ilija Koco <[e-mail]>
# Contributors:   
# Date:           2006-04-12
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_ARM_MAC7100_MACE1 {
    display       "MACE1 - MAC7100 eval board HAL"
    parent        CYGPKG_HAL_ARM_MAC7100
    define_header hal_arm_mac7100_mace1.h
    include_dir   cyg/hal
    hardware
    description   "
        The MACE1 HAL package provides the support needed to run
        eCos on an MACE1 - MAC7100 eval board."

    compile       mace1_misc.c

    requires      { CYGHWR_HAL_ARM_MAC7100 == "MAC7121" }
    requires      { CYGNUM_PIT_CHAN_CLOCK_PRIORITY == 
                    CYGNUM_KERNEL_COUNTERS_CLOCK_ISR_PRIORITY }

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_arm.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_VARIANT_H  <pkgconf/hal_arm_mac7100.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_arm_mac7100_mace1.h>"
        puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM7TDMI\""
        puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"Freescale MAC7100/MACE1\""
        puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
    }

    cdl_component CYG_PIT_CLOCKS {
        display "Real time clock configuration."
        flavor   none
        description "
            Periodic Interrupt Timer Module - PIT comprizes 11 timer
            channels.  RTI channel (PIT0) as well as PIT1 .. PIT4 can
            generate interrupts and are eligible for the real time
            clock.  "

        cdl_option CYGNUM_PIT_CHAN_CLOCK {
            display      "System CLOCK device"
            flavor       data
            legal_values 0 to 4
            default_value   3
            requires {CYGNUM_PIT_CHAN_CLOCK != CYGNUM_PIT_CHAN_US}
            description "
                RTI (PIT0) and PIT1 .. PIT4 can be used for ral time
                clock.  RTI is clocked by oscillator clock while
                channels 1 to 4 by 1/2 system clock frequency.
                Selection of RTI vs PIT1 .. PIT4 affects Real-time
                clock period (see Real-time clock constants).  NOTE:
                Real time clock channel must not be the same as US
                delay channel.
            "
        }

        cdl_option CYGNUM_PIT_CHAN_CLOCK_PRIORITY {
            display      "System clock's INTC priority"
            flavor       data
            legal_values 0 to 15
            default_value   12
            description "
                INTC has 16 interrupt levels: 0 (lowest) to 15 (highest).
            "
        }

        cdl_option CYGNUM_PIT_CHAN_US {
            display      "PIT channel for us delay"
            flavor       data
            legal_values 0 to 4
            default_value   0
            requires {CYGNUM_PIT_CHAN_CLOCK != CYGNUM_PIT_CHAN_US}
            description "
                RTI is clocked by oscillator while channels PIT1
                .. PIT4 by half system clock frequency, hence RTI
                should allow for larger maximal period.  NOTE: US
                delay channel must not be the same as real time clock
                channel.
            "
        }
    }
    
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants"
        flavor        none

        cdl_option CYGNUM_HAL_RTC_NUMERATOR {
            display       "Real-time clock numerator"
            flavor        data
            default_value 1000000000
        }
        cdl_option CYGNUM_HAL_RTC_DENOMINATOR {
            display       "Real-time clock denominator"
            flavor        data
            default_value 100
        }
        cdl_option CYGNUM_HAL_RTC_PERIOD {
            display       "Real-time clock period"
            flavor        data
            default_value (CYGNUM_PIT_CHAN_CLOCK !=0 ? \
                (CYGNUM_HAL_ARM_MAC7100_CLOCK_SPEED / 2 / CYGNUM_HAL_RTC_DENOMINATOR - 1) : \
                (CYGNUM_HAL_ARM_MAC7100_Q_FREQ / CYGNUM_HAL_RTC_DENOMINATOR - 1))
        }
    }
    
    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        calculated {"ROM"}
        no_define
        define -file system.h CYG_HAL_STARTUP
        description   "
            Current MACE1 port supports only ROM startup type."
    }

    # Real-time clock/counter specifics

    cdl_component CYG_HAL_MAC7100_OSC {
        display "System Clocks Module"
        flavor  none

        cdl_option CYGNUM_HAL_ARM_MAC7100_F_OSC {
            display       "FOSC - Oscillator clock"
            flavor        data
            default_value 8000000
        }
        
        cdl_option CYGNUM_HAL_ARM_MAC7100_FDIV {
            display       "FDIV - Frequency divider for PLL"
            flavor        booldata
            legal_values 0 to 16
            default_value 2
            description "
                If enabled (FDIV != 0), 
                   you set divider for PLL. 
                   Then REFDV is calculated as REFDV=FDIV-1;
                If disabled (FDIV == 0), 
                   REFDV is calculated from FOSC so that referent frequency 
                   for PLL is 500kHz.
                   SYNR is then derived from desired CPU clock, FOSC and REFDV.
                "
        }
    }

    cdl_option CYGNUM_HAL_ARM_MAC7100_CLOCK_SPEED {