hal_arm_arm9_at91rm9200.cdl

ecos在9200上redboot实现

# ====================================================================
#
#      hal_arm_arm9_at91rm9200.cdl
#
#      Atmel AT91RM9200DK evaluation board 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.
##
## 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
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##
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## 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
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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      Jiun-Shian Ho <[e-mail]>
# Contributors:   Jiun-Shian Ho <[e-mail]>
# Date:           2005-08-12
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_ARM_ARM9_AT91RM9200 {
    display       "Atmel ARM9/AT91RM9200 development board"
    parent        CYGPKG_HAL_ARM_ARM9
    requires      CYGPKG_HAL_ARM_ARM9_ARM920T
    hardware
    include_dir   cyg/hal
    define_header hal_arm_arm9_at91rm9200.h
    description   "
         The AT91RM9200 HAL package provides the support needed to run eCos on
         Atmel AT91RM9200 (ARM920T) based boards."

    compile       at91rm9200_misc.c hal_diag.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS
    implements    CYGINT_HAL_DEBUG_GDB_STUBS_BREAK
    implements    CYGINT_HAL_VIRTUAL_VECTOR_SUPPORT

    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_arm9.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_arm_arm9_at91rm9200.h>"
        puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM9\""
        puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"AT91RM9200 system\""
        puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""

        puts $::cdl_header "/* cf. linux-2.6.12.2/arch/arm/tools/mach-types */"
        puts $::cdl_header "#define HAL_PLATFORM_MACHINE_TYPE  251"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  { "RAM" "ROM" "ROMRAM" }
        default_value  { "RAM" }
        no_define
        define -file system.h CYG_HAL_STARTUP
        description   "
            When targetting the AT91RM9200 evaluation board 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 eCos GDB stubs.
            Select 'rom' when building a stand-alone application which will be
            put into ROM, or for the special case of building the eCos GDB stubs
            themselves."
    }

    # Both PLLs are in bypass mode on startup.
    # FIXME: Add proper configury
    cdl_option CYGNUM_HAL_ARM_AT91RM9200_CPU_CLOCK {
        display       "CPU speed"
        flavor        data
        legal_values  176000000 180000000 184000000 192000000 200000000
        default_value { 184000000 }
        description   "
            This is the actual CPU operating frequency (FCLK)."
    }

    cdl_option CYGNUM_HAL_ARM_AT91RM9200_BUS_CLOCK {
        display       "ARM920T bus speed"
        flavor        data
        calculated    { CYGNUM_HAL_ARM_AT91RM9200_CPU_CLOCK / 2 }
        description   "
            This is the ARM920T AHB bus operating frequency (HCLK)."
    }

    cdl_option CYGNUM_HAL_ARM_AT91RM9200_PERIPHERAL_CLOCK {
        display       "Peripheral bus speed"
        flavor        data
        calculated    { CYGNUM_HAL_ARM_AT91RM9200_CPU_CLOCK / 4 }
        description   "
            This is the peripheral (APB) bus operating frequency (PCLK)."
    }

    cdl_option CYGNUM_HAL_ARM_AT91RM9200_TIMER_PRESCALE {
        display       "Timer prescale"
        flavor        data
        legal_values  0 to 255
        default_value 16
        description   "
            This is the prescale value used on the clock used to drive
            the kernel counter. Note that some parts of the code may fail
            if this is changed due to over/underflows of expressions."
    }

    # Real-time clock/counter specifics
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants"
        flavor        none
        no_define

        cdl_option CYGNUM_HAL_RTC_NUMERATOR {
            display       "Real-time clock numerator"
            flavor        data
            calculated    1000000000
        }
        cdl_option CYGNUM_HAL_RTC_DENOMINATOR {
            display       "Real-time clock denominator"
            flavor        data
            calculated    100
        }
        cdl_option CYGNUM_HAL_RTC_PERIOD {
            display       "Real-time clock period"
            flavor        data
            calculated    ((CYGNUM_HAL_ARM_AT91RM9200_PERIPHERAL_CLOCK/CYGNUM_HAL_ARM_AT91RM9200_TIMER_PRESCALE/2)/CYGNUM_HAL_RTC_DENOMINATOR)
            description   "
            Assuming 1/2 post prescale divider."
        }
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_BAUD {
        display       "Diagnostic serial port baud rate"
        flavor        data
        legal_values  9600 19200 38400 57600 115200
        default_value 115200
        description   "
            This option selects the baud rate used for the diagnostic port.
            Note: this should match the value chosen for the GDB port if the
            diagnostic and GDB port are the same."
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL_BAUD {
        display       "GDB serial port baud rate"
        flavor        data
        legal_values  9600 19200 38400 57600 115200
        default_value 115200
        description   "
            This option selects the baud rate used for the diagnostic port.
            Note: this should match the value chosen for the GDB port if the
            diagnostic and GDB port are the same."
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS {
        display      "Number of communication channels on the board"
        flavor       data
        calculated   1
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_DEFAULT {
        display      "Default console channel."
        flavor       data
        legal_values 0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
        calculated   0
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL {
        display          "Debug serial port"
        active_if        CYGPRI_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL_CONFIGURABLE
        flavor data
        legal_values     0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
        default_value    0
        description      "
            The AT91RM9200 boards have two serial ports. This option
            chooses which port will be used to connect to a host
            running GDB."
     }

     cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL {
         display         "Diagnostic serial port"
         active_if       CYGPRI_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_CONFIGURABLE
         flavor data
         legal_values    0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
         default_value   CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL_DEFAULT
         description     "