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# ====================================================================

#

#      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.

##

## eCos is free software; you can redistribute it and/or modify it under

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## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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## 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

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## -------------------------------------------

#####ECOSGPLCOPYRIGHTEND####

# ====================================================================

######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   "

        puts $::cdl_system_header "#define CYGBLD_HAL_VARIANT_H  "

        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_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

            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_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."

     }

    cdl_component CYGBLD_GLOBAL_OPTIONS {

        display "Global build options"

        flavor  none

        no_define

        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 { "-mcpu=arm9 -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 { "--no-target-default-spec -Wl,--gc-sections -Wl,-static -g -O2 -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 {

                /bin/gdb_module.srec : /bin/gdb_module.img

                $(OBJCOPY) --remove-section=.fixed_vectors $< gdb_module.tmp

            }

        }

    }

    cdl_component CYGPKG_HAL_ARM_ARM9_EXCALIBUR_OPTIONS {

        display "ARM9/EXCALIBUR build options"

        flavor  none

        no_define

        description   "

            Package specific build options including control over

            compiler flags used only in building this package,

            and details of which tests are built."

        cdl_option CYGPKG_HAL_ARM_ARM9_EXCALIBUR_CFLAGS_ADD {

            display "Additional compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the ARM9 EXCALIBUR HAL. These flags are used in addition

                to the set of global flags."

        }

        cdl_option CYGPKG_HAL_ARM_ARM9_EXCALIBUR_CFLAGS_REMOVE {

            display "Suppressed compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the ARM9 EXCALIBUR HAL. These flags are removed from

                the set of global flags if present."

        }

        cdl_option CYGPKG_HAL_ARM_ARM9_EXCALIBUR_TESTS {

            display "ARM9/EXCALIBUR tests"

            flavor  data

            no_define

            calculated { "" }

            description   "

                This option specifies the set of tests for the ARM9 Excalibur HAL."

        }

    }

    cdl_component CYGHWR_MEMORY_LAYOUT {

        display "Memory layout"

        flavor data

        no_define

        calculated { CYG_HAL_STARTUP == "RAM" ? "arm_arm9_excalibur_ram" : \

                     CYG_HAL_STARTUP == "ROM" ? "arm_arm9_excalibur_rom" : \

                     CYG_HAL_STARTUP == "ROMRAM" ? "arm_arm9_excalibur_romram" : \

                                                "arm_arm9_excalibur_redboot" }

        cdl_option CYGHWR_MEMORY_LAYOUT_LDI {

            display "Memory layout linker script fragment"

            flavor data

            no_define

            define -file system.h CYGHWR_MEMORY_LAYOUT_LDI

            calculated { CYG_HAL_STARTUP == "RAM" ? "" : \

                         CYG_HAL_STARTUP == "ROM" ? "" : \

                         CYG_HAL_STARTUP == "ROMRAM" ? "" : \

                                                    "" }

        }

        cdl_option CYGHWR_MEMORY_LAYOUT_H {

            display "Memory layout header file"

            flavor data

            no_define

            define -file system.h CYGHWR_MEMORY_LAYOUT_H

            calculated { CYG_HAL_STARTUP == "RAM" ? "" : \

                         CYG_HAL_STARTUP == "ROM" ? "" : \

                         CYG_HAL_STARTUP == "ROMRAM" ? "" : \

                                                    "" }

        }

    }

    cdl_option CYGSEM_HAL_ROM_MONITOR {

        display       "Behave as a ROM monitor"

        flavor        bool

        default_value 0

        parent        CYGPKG_HAL_ROM_MONITOR

        requires      { CYG_HAL_STARTUP == "ROM" || CYG_HAL_STARTUP == "ROMRAM" || CYG_HAL_STARTUP == "REDBOOT" }

        description   "

            Enable this option if this program is to be used as a ROM monitor,

            i.e. applications will be loaded into RAM on the board, and this

            ROM monitor may process exceptions or interrupts generated from the

            application. This enables features such as utilizing a separate

            interrupt stack when exceptions are generated."

    }

    cdl_option CYGSEM_HAL_USE_ROM_MONITOR {

         display       "Work with a ROM monitor"

         flavor        booldata

         legal_values  { "GDB_stubs" }

         default_value { CYG_HAL_STARTUP == "RAM" ? "GDB_stubs" : 0 }

         parent        CYGPKG_HAL_ROM_MONITOR

         requires      { CYG_HAL_STARTUP == "RAM" }

         description   "

             Support can be enabled for different varieties of ROM monitor.

             This support changes various eCos semantics such as the encoding

             of diagnostic output, or the overriding of hardware interrupt

             vectors.

             \"GDB_stubs\" provides support when GDB stubs are included in

             the ROM monitor or boot ROM."

     }

    cdl_component CYGPKG_REDBOOT_HAL_OPTIONS {

        display       "Redboot HAL options"

        flavor        none

        no_define

        parent        CYGPKG_REDBOOT

        active_if     CYGPKG_REDBOOT

        description   "

            This option lists the target's requirements for a valid Redboot

            configuration."

        # The backup image is not needed, since ROMRAM/REDBOOT is the normal

        # RedBoot startup type.

        requires {!CYGPKG_REDBOOT_FLASH || CYGOPT_REDBOOT_FIS_REDBOOT_BACKUP == 0}

        # RedBoot details

        requires { CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT == 0x00008000 }

        define_proc {

            puts $::cdl_header "#define CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS 0x00001f00"

        }

        cdl_option CYGBLD_BUILD_REDBOOT_BIN {

            display       "Build Redboot ROM binary image"

            active_if     CYGBLD_BUILD_REDBOOT

            default_value 1

            no_define

            description "This option enables the conversion of the Redboot ELF

                         image to the various relocated SREC images needed

                         for flash updating."

            make -priority 325 {

                /bin/redboot.bin : /bin/redboot.elf

                $(OBJCOPY) --strip-debug $< $(@:.bin=.img)

                $(OBJCOPY) -O srec $< $(@:.bin=.srec)

                $(OBJCOPY) --change-address 0xc0000000 -O ihex $< $(@:.bin=.hex)

                $(OBJCOPY) -O binary $< $@

            }

        }

    }

}