hal_arm_edb7xxx.cdl

Intel XScale PXA255 引导Linux的Redboot 版bootloader源代码！

# ====================================================================
#
#      hal_arm_edb7xxx.cdl
#
#      Cirrus Logic EDB7XXX evaluation board HAL package configuration data
#
# ====================================================================
#####COPYRIGHTBEGIN####
#                                                                          
# -------------------------------------------                              
# The contents of this file are subject to the Red Hat eCos Public License 
# Version 1.1 (the "License"); you may not use this file except in         
# compliance with the License.  You may obtain a copy of the License at    
# http://www.redhat.com/                                                   
#                                                                          
# Software distributed under the License is distributed on an "AS IS"      
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
# License for the specific language governing rights and limitations under 
# the License.                                                             
#                                                                          
# The Original Code is eCos - Embedded Configurable Operating System,      
# released September 30, 1998.                                             
#                                                                          
# The Initial Developer of the Original Code is Red Hat.                   
# Portions created by Red Hat are                                          
# Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
# All Rights Reserved.                                                     
# -------------------------------------------                              
#                                                                          
#####COPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      jskov
# Original data:  gthomas
# Contributors:
# Date:           1999-07-01
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_ARM_EDB7XXX {
    display       "Cirrus Logic development board"
    parent        CYGPKG_HAL_ARM
    include_dir   cyg/hal
    hardware
    define_header hal_arm_edb7xxx.h
    description   "
        The EDB7XXX HAL package provides the support needed to run
        eCos on a Cirrus Logic development board."

    compile       hal_diag.c edb7xxx_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_SUPPORT_GUARANTEED

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_arm.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_arm_edb7xxx.h>"
    }

    cdl_option CYGHWR_HAL_ARM_EDB7XXX_VARIANT {
        display       "Cirrus Logic processor variant"
        flavor        data
        legal_values  { "CL_PS7111" "EP7209" "EP7211" "EP7212" }
        default_value { "EP7211" }
        description   "
            The Cirrus Logic processor variant."
        define -file system.h CYGHWR_HAL_ARM_EDB7XXX_VARIANT
	define_proc {
            puts $::cdl_header ""
            puts $::cdl_header "#ifdef CYGHWR_HAL_ARM_EDB7XXX_VARIANT_CL_PS7111"
            puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM 710C\""
            puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"Cirrus Logic CL-PS7111\""
            puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
            puts $::cdl_header "#endif //CYGHWR_HAL_ARM_EDB7XXX_VARIANT_CL_PS7111"
            puts $::cdl_header ""
            puts $::cdl_header "#ifdef CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7209"
            puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM 720T\""
            puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"Cirrus Logic EDB7209\""
            puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
            puts $::cdl_header "#endif //CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7209"
            puts $::cdl_header ""
            puts $::cdl_header "#ifdef CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7211"
            puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM 720T\""
            puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"Cirrus Logic EDB7211\""
            puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
            puts $::cdl_header "#endif //CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7211"
            puts $::cdl_header ""
            puts $::cdl_header "#ifdef CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7212"
            puts $::cdl_header "#define HAL_PLATFORM_CPU    \"ARM 720T\""
            puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"Cirrus Logic EDB7212\""
            puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"\""
            puts $::cdl_header "#endif //CYGHWR_HAL_ARM_EDB7XXX_VARIANT_EP7212"
            puts $::cdl_header ""
	}
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  { "ROM"
                        ((CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "EP7209") ? "" : "RAM")
        }
        default_value  { CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "EP7209" ? "ROM" : "RAM"}
	no_define
	define -file system.h CYG_HAL_STARTUP
        description   "
            When targetting the Cirrus Logic evaluation 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 onboard
            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_VIRTUAL_VECTOR_CONSOLE_CHANNEL_BAUD {
        display       "Diagnostic serial port baud rate"
        flavor        data
        legal_values  9600 19200 38400 115200
        default_value 38400
        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 115200
        default_value 38400
        description   "
            This option controls the baud rate used for the GDB connection."
    }
    
    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS {
        display      "Number of communication channels on the board"
        flavor       data
        calculated   2
    }

    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"
        flavor data
        legal_values     0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
        default_value    0
        description      "
            The EDB7xxx 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"
         flavor data
         legal_values     0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
         default_value    0
         description      "
            The EDB7xxx boards have two serial ports.  This option
            chooses which port will be used for diagnostic output."
     }

    cdl_option CYGHWR_HAL_ARM_EDB7XXX_PROCESSOR_CLOCK {
        display       "Processor clock rate"
        flavor        data
        legal_values  18432 36864 49152 73728
        default_value { CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "CL_PS7111" ? 18432 : 73728 }
        description   "
            The processor can run at various frequencies."
    }

    cdl_option CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE {
        display       "Installed DRAM on board"
        flavor        data
        legal_values  0 2 16
        default_value { CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "CL_PS7111" ? 2 : \
                        CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "EP7209" ? 0 : 16 }
        description   "
            The Cirrus Logic boards can have various amounts of DRAM installed.
            The machine needs to be initialized differently, depending
            upon the amount installed."
    }

    cdl_option CYGHWR_HAL_ARM_EDB7XXX_SOFTWARE_DRAM_REFRESH {
        display "Perform DRAM refresh in software"
        flavor   bool
        default_value 0
        description "
           This option will add code that refreshes the DRAM by
           touching all of DRAM during the system clock interrupt
           processing."
    }
    
    cdl_option CYGHWR_HAL_ARM_EDB7XXX_LCD_INSTALLED {
        display       "LCD installed"
        flavor        bool
        default_value 1
        description   "
            If an LCD panel is installed, 128K of DRAM will be dedicated to the
            LCD buffer by the system intialization.  Note: changing this value
	    from the default will alter the memory map and a new debug enviroment
	    (GDB or CygMon) may be required."
    }

    # Real-time clock/counter specifics
    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
            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    (5120)                    ;# Assumes 512KHz clock
        }
    }

    cdl_component CYGBLD_GLOBAL_OPTIONS {
        display "Global build options"
        flavor  none
        description   "
	    Global build options including control over
	    compiler flags, linker flags and choice of toolchain."

        parent  CYGPKG_NONE

        cdl_option CYGBLD_GLOBAL_COMMAND_PREFIX {
            display "Global command prefix"
            flavor  data
            no_define
            default_value { "arm-elf" }
            description "
                This option specifies the command prefix used when
                invoking the build tools."
        }

        cdl_option CYGBLD_GLOBAL_CFLAGS {
            display "Global compiler flags"
            flavor  data
            no_define
            default_value { CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "CL_PS7111" ? "-mcpu=arm710c -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority" : \
                                                                          "-mcpu=arm7tdmi -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority" }
            description   "
                This option controls the global compiler flags which are used to
                compile all packages by default. Individual packages may define
                options which override these global flags."
        }

        cdl_option CYGBLD_GLOBAL_LDFLAGS {
            display "Global linker flags"
            flavor  data
            no_define
            default_value { CYGHWR_HAL_ARM_EDB7XXX_VARIANT == "CL_PS7111" ? "-mcpu=arm710c -Wl,--gc-sections -Wl,-static -g -nostdlib" : "-mcpu=arm7tdmi -Wl,--gc-sections -Wl,-static -g -nostdlib"}
            description   "
                This option controls the global linker flags. Individual
                packages may define options which override these global flags."
        }

        cdl_option CYGBLD_BUILD_GDB_STUBS {
            display "Build GDB stub ROM image"
            default_value 0
            requires { CYG_HAL_STARTUP == "ROM" }
            requires CYGSEM_HAL_ROM_MONITOR
            requires CYGBLD_BUILD_COMMON_GDB_STUBS
            requires CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
            requires CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
            requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
            requires ! CYGDBG_HAL_COMMON_INTERRUPTS_SAVE_MINIMUM_CONTEXT
            requires ! CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
            no_define
            description "
                This option enables the building of the GDB stubs for the
                board. The common HAL controls takes care of most of the
                build process, but the final conversion from ELF image to
                binary data is handled by the platform CDL, allowing
                relocation of the data if necessary."

            make -priority 320 {
                <PREFIX>/bin/gdb_module.bin : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) -O binary $< $@