hal_arm_arm9_excalibur.cdl

eCos操作系统源码

# ====================================================================
#
#      hal_arm_arm9_excalibur.cdl
#
#      Altera ARM9/EXCALIBUR platform 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.
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      jskov
# Contributors:   jskov, gthomas
# Date:           2001-08-06
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_HAL_ARM_ARM9_EXCALIBUR {
    display       "Altera ARM9/Excalibur board"
    parent        CYGPKG_HAL_ARM_ARM9
    requires      CYGPKG_HAL_ARM_ARM9_ARM922T
    hardware
    include_dir   cyg/hal
    define_header hal_arm_arm9_excalibur.h
    description   "
        This HAL platform package provides generic
        support for the Altera ARM9 based board, known as 'excalibur'."

    compile       excalibur_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_excalibur.h>"
	puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM9\""
        puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"EXCALIBUR system\""
        puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
        puts $::cdl_header "#define HAL_ARCH_PROGRAM_NEW_STACK excalibur_program_new_stack"

        puts $::cdl_header "#define HAL_PLATFORM_MACHINE_TYPE  62"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        default_value {"RAM"}
        legal_values  {"RAM" "ROM" "ROMRAM" "REDBOOT" }
	no_define
	define -file system.h CYG_HAL_STARTUP
        description   "
           When targetting the Excalibur eval 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. Select 'redboot' when
           building RedBoot to place RedBoot at top of memory, leaving
           the bottom of memory (from 0x8000) to applications."
    }

    # Both PLLs are in bypass mode on startup.
    # FIXME: Add proper configury
    cdl_option CYGNUM_HAL_ARM_EXCALIBUR_CPU_CLOCK {
        display       "CPU bus speed"
        flavor        data
        calculated    { 150000000 }
        description   "
            This is the actual CPU operating frequency (AHB1)."
    }

    cdl_option CYGNUM_HAL_ARM_EXCALIBUR_PERIPHERAL_CLOCK {
        display       "Peripheral bus speed"
        flavor        data
        calculated    { CYGNUM_HAL_ARM_EXCALIBUR_CPU_CLOCK / 2 }
        description   "
            This is the peripheral bus operating frequency (AHB2)."
    }

    cdl_option CYGNUM_HAL_ARM_EXCALIBUR_SDRAM_CLOCK {
        display       "SDRAM clock"
        flavor        data
        calculated    { 75000000 }
        description   "
            This is the SDRAM bus operating frequency (SD_CLK)."
    }

    cdl_option CYGNUM_HAL_ARM_EXCALIBUR_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
            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_HAL_ARM_EXCALIBUR_PERIPHERAL_CLOCK/(CYGNUM_HAL_ARM_EXCALIBUR_TIMER_PRESCALE*CYGNUM_HAL_RTC_DENOMINATOR))-1
        }
    }

    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 57600
        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 57600
        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_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 excalibur board has 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_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_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      "
            The excalibur board has two serial ports.  This option
            chooses which port will be used for diagnostic output."
     }