hal_arm_at91sam7s.cdl

开放源码实时操作系统源码.

# ====================================================================
#
#      hal_arm_at91_sam7s.cdl
#
#      ARM AT91 SAM7 HAL package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
## Copyright (C) 2003 Nick Garnett <[e-mail]>
## Copyright (C) 2005 eCosCentric Ltd
## Copyright (C) 2005 Andrew Lunn
##
## 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):      gthomas
# Contributors:   gthomas, tkoeller, nickg, Oliver Munz, asl
# Date:           2005-06-20
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_ARM_AT91SAM7 {
    display       "Atmel AT91SAM7 HAL"
    parent        CYGPKG_HAL_ARM
    define_header hal_arm_at91sam7.h
    include_dir   cyg/hal
    hardware
    description   "
        The AT91SAM7 HAL package provides the support needed to run
        eCos on an Atmel AT91SAM7 based board."

    compile       at91sam7s_misc.c
    
    requires      { CYGHWR_HAL_ARM_AT91_FIQ     }
    requires      { CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s32" implies
                    CYGPKG_IO_SERIAL_ARM_AT91_SERIAL0 == 0 }

    implements    CYGINT_HAL_ARM_AT91_SERIAL_DBG_HW
    implements    CYGINT_HAL_ARM_AT91_PIT_HW
    implements    CYGINT_HAL_ARM_AT91_SYS_INTERRUPT

    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_at91.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_ARM_VAR_IO_H"
    }

    cdl_option CYGHWR_HAL_ARM_AT91SAM7 {
        display        "AT91SAM7 variant used"
        flavor         data
        default_value  {"at91sam7s256"}
        legal_values   {"at91sam7s32" "at91sam7s321" "at91sam7s64" 
                        "at91sam7s128" "at91sam7s256" 
                        "at91sam7x128" "at91sam7x256" 
                        "at91sam7xc128" "at91sam7xc256" }
        description    "
           The AT91SAM7 microcontroller family has several variants,
           the main differences being the amount of on-chip SRAM,
           FLASH, peripherals and their layout. This option allows the
           platform HALs to select the specific microcontroller
           being used."
    }

    cdl_option CYGHWR_HAL_ARM_AT91SAM7S {
        display     "SAM7S device" 
        calculated  { CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s256" ||
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s128" ||        
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s64"  ||        
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s32"  ||
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7s321" }
        description "
            Is the AT91SAM7 device a member of the AT91SAM7S family?"
    }

    cdl_option CYGHWR_HAL_ARM_AT91SAM7X {
        display     "SAM7X device" 
        calculated  { CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7x256" ||
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7x128" }        
        description "
            Is the AT91SAM7 device a member of the AT91SAM7X family?"
    }

    cdl_option CYGHWR_HAL_ARM_AT91SAM7XC {
        display     "SAM7XC device" 
        calculated  { CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7xc256" ||
                      CYGHWR_HAL_ARM_AT91SAM7 == "at91sam7xc128" }        
        description "
            Is the AT91SAM7 device a member of the AT91SAM7XC family?"
    }

    cdl_option CYGBLD_HAL_ARM_AT91SAM7_USB {
        display       "USB device"
        active_if     {!( "at91sam7s32" == CYGHWR_HAL_ARM_AT91SAM7S) ||
                        CYGHWR_HAL_ARM_AT91SAM7X                     ||
                        CYGHWR_HAL_ARM_AT91SAM7XC }
        implements    CYGINT_DEVS_USB_AT91_HAS_USB
        default_value 1
        no_define
        description   "
            All but the AT91SAM7S32 has the USB device"
    }

    cdl_option CYGBLD_HAL_ARM_AT91SAM7_SPI1 {
        display       "Second SPI bus controller"
        active_if     { CYGHWR_HAL_ARM_AT91SAM7X ||
                        CYGHWR_HAL_ARM_AT91SAM7XC }
        implements    CYGINT_DEVS_SPI_ARM_AT91_HAS_BUS1
        default_value 1
        no_define
        description   "
            The SAM7X and SAM7XC have the second SPI bus controller"
    }

    cdl_option CYGBLD_HAL_ARM_AT91SAM7_CAN0 {
        display       "CAN bus controller"
        active_if     { CYGHWR_HAL_ARM_AT91SAM7X ||
                        CYGHWR_HAL_ARM_AT91SAM7XC }
        implements    CYGINT_DEVS_CAN_AT91SAM7_CAN0
        default_value 1
        no_define
        description   "
            The SAM7X and SAM7XC have the CAN controller"
    }

    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
            legal_values  1 to 0xffff 
            calculated    ((CYGNUM_HAL_RTC_NUMERATOR * CYGNUM_HAL_ARM_AT91_CLOCK_SPEED/16) / CYGNUM_HAL_RTC_DENOMINATOR / 1000000000)
            description   "
                CYGNUM_HAL_RTC_PERIOD : (CYGNUM_HAL_RTC_NUMERATOR * CYGNUM_HAL_ARM_AT91_CLOCK_SPEED/16) / CYGNUM_HAL_RTC_DENOMINATOR / 1000000000 "
        }
    }
    
    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        default_value {"ROM"}
        legal_values  {"RAM" "ROM"}
        no_define
        define -file system.h CYG_HAL_STARTUP
        description   "
            When targeting the AT91SAM7 eval boards it is possible to build
            the system for either RAM bootstrap or ROM bootstrap(s). Select
            'ram' when building programs to load into RAM using on board
            debug software such as Angel or eCos GDB stubs.  Select 'rom'
            when building a stand-alone application which will be put
            into ROM"
    }

    cdl_option CYGNUM_HAL_ARM_AT91_IMAGE_ADDRESS {
        display       "Address in flash the image should live"
        active_if     { CYG_HAL_STARTUP == "ROM" }
        flavor        data        
        default_value 0x00100000
        description   "
            This optionspecifies where in flash the image
            lives. By default it is at the bottom of the flash,
            but for example redboot may be at the bottom and an
            application lives higher up, which is acheived by 
            setting the address here."
    }

    # Real-time clock/counter specifics
    cdl_option CYGNUM_HAL_ARM_AT91_CLOCK_SPEED {
        display       "CPU clock speed"
        flavor        data
        calculated    { CYGNUM_HAL_ARM_AT91_CLOCK_OSC_MAIN *
                        CYGNUM_HAL_ARM_AT91_PLL_MULTIPLIER /
                        CYGNUM_HAL_ARM_AT91_PLL_DIVIDER / 2}
        legal_values  { 0 to 220000000 }
        description   "
            The master clock-frequency has to be 48MHz, 96MHz or
            192MHz for the USB to work correctly. The clock setup uses
            PLL clock divided by two"
    }

    cdl_option CYGNUM_HAL_ARM_AT91_CLOCK_OSC_MAIN {
        display       "Main oscillator frequency"
        flavor        data
        legal_values { 3000000 to 20000000} 
        default_value { 18432000 }
        description   "
            What frequency of crystal is clocking the device."
    }

    cdl_option CYGNUM_HAL_ARM_AT91_PLL_DIVIDER {