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# ====================================================================
#
#      hal_arm_sa11x0_nano.cdl
#
#      ARM SA1110/nanoEngine platform HAL package configuration data
#
# ====================================================================
## ####ECOSGPLCOPYRIGHTBEGIN####                                            
## -------------------------------------------                              
## This file is part of eCos, the Embedded Configurable Operating System.   
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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## for more details.                                                        
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      gthomas
# Original data:  gthomas
# Contributors:   hmt
# Date:           2001-02-12
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_HAL_ARM_SA11X0_NANO {
    display       "ARM SA1110/nanoEngine evaluation board"
    parent        CYGPKG_HAL_ARM_SA11X0
    hardware
    include_dir   cyg/hal
    define_header hal_arm_sa11x0_nano.h
    description   "
        This HAL platform package provides 
        support for the Intel StrongARM SA1110 based evalation board, 
        made by Bright Star Engineering (BSE), known as 'nanoEngine'."

    compile       nano_misc.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS
    implements    CYGINT_HAL_DEBUG_GDB_STUBS_BREAK
    implements    CYGINT_HAL_VIRTUAL_VECTOR_SUPPORT
    implements    CYGINT_HAL_ARM_MEM_REAL_REGION_TOP

    implements    CYGHWR_HAL_ARM_SA11X0_UART1
    implements    CYGHWR_HAL_ARM_SA11X0_UART3

    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_sa11x0.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_arm_sa11x0_nano.h>"
        puts $::cdl_header "#define HAL_PLATFORM_CPU    \"StrongARM 1110\""
        puts $::cdl_header "#define HAL_PLATFORM_BOARD  \"nanoEngine\""
        puts $::cdl_header "#define HAL_PLATFORM_EXTRA  \"by Bright Star Engineering\""
        puts $::cdl_header "#define HAL_ARCH_PROGRAM_NEW_STACK nano_program_new_stack"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        default_value {"RAM"}
        legal_values  {"RAM" "ROM"}
        no_define
        define -file system.h CYG_HAL_STARTUP
        description   "
           When targetting the nanoEngine 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."

        cdl_component CYGBLD_HAL_STARTUP_ROM_POST_BEFORE_ECOS {
            display "POST code exists at base of flash"
            active_if  { CYG_HAL_STARTUP == "ROM" }
            calculated 1 ; # REQUIRED for BSE BOOT PROM
            description "
            To accommodate POST (power-on self-test) code,
            or other preboot loader code such as the BSE nanoEngine Firmware,
            in the start of
            the flash, that is run at startup, we can link RedBoot (or any
            ROM start eCos application) for a higher address, specifically
            256kBytes higher than usual in this case."

            cdl_option CYGBLD_HAL_STARTUP_ROM_POST_OMIT_SDRAM_INIT {
                display "Omit SDRAM initialization if already set up"
                calculated 1 ; # REQUIRED for BSE BOOT PROM
                description "
            POST code will likely already initialize SDRAM.  This option
            enables code that omits SDRAM initialization, if it appears
            already to be set up."
            }
        }
    }


    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 ; # BUT BSE BOOT PROM IS 9600
        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 ; # BUT BSE BOOT PROM IS 9600
        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   2
        description "
            Channel 1 is the little 6-way phone socket, connected to UART3.
            Channel 0 is the little 6-way phone socket, connected to UART1.
            Channel 0 is nearest the power socket and reset button.
            Channel 0 is the default for all serial I/O."
    }
 
    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 nanoEngine 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 nanoEngine 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 { CYGBLD_GLOBAL_WARNFLAGS . CYGBLD_ARCH_CFLAGS .
                            "-mcpu=strongarm1100 -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions " }
            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 { CYGBLD_ARCH_LDFLAGS . "-mcpu=strongarm1100 -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 {
                <PREFIX>/bin/gdb_module.bin : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) --remove-section=.fixed_vectors -O binary $< $@
            }
        }
    }

    cdl_component CYGPKG_HAL_ARM_SA11X0_NANO_OPTIONS {
        display "StrongARM SA1110/BRIGHTSTAR NANOENGINE 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_SA11X0_NANO_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the StrongARM nanoEngine HAL. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_HAL_ARM_SA11X0_NANO_CFLAGS_REMOVE {
            display "Suppressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the StrongARM nanoEngine HAL. These flags are removed from
                the set of global flags if present."
        }

        cdl_option CYGPKG_HAL_ARM_SA11X0_NANO_TESTS {
            display "StrongARM SA1110/nanoEngine tests"
            flavor  data
            no_define
#            calculated { "tests/dram-test" }
            calculated { "" }
            description   "
                This option specifies the set of tests for the StrongARM nanoEngine HAL."
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "arm_sa11x0_nano_ram" : \
      CYGBLD_HAL_STARTUP_ROM_POST_BEFORE_ECOS ? "arm_sa11x0_nano_post" : \
                                                "arm_sa11x0_nano_rom" }

        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" ? "<pkgconf/mlt_arm_sa11x0_nano_ram.ldi>" : \
          CYGBLD_HAL_STARTUP_ROM_POST_BEFORE_ECOS ? "<pkgconf/mlt_arm_sa11x0_nano_post.ldi>" : \
                                                    "<pkgconf/mlt_arm_sa11x0_nano_rom.ldi>" }
        }

        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" ? "<pkgconf/mlt_arm_sa11x0_nano_ram.h>" : \
          CYGBLD_HAL_STARTUP_ROM_POST_BEFORE_ECOS ? "<pkgconf/mlt_arm_sa11x0_nano_post.h>" : \
                                                    "<pkgconf/mlt_arm_sa11x0_nano_rom.h>" }
        }
    }

    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" }
        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  { "Generic" "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.
             Firstly there is \"Generic\" support which prevents the HAL
             from overriding the hardware vectors that it does not use, to
             instead allow an installed ROM monitor to handle them. This is
             the most basic support which is likely to be common to most
             implementations of ROM monitor.
             \"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."

        # compile -library=libextras.a redboot_cmds.c
    
        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 a binary image suitable for ROM programming."

            make -priority 325 {
                <PREFIX>/bin/redboot.bin : <PREFIX>/bin/redboot.elf
                $(OBJCOPY) --strip-debug $< $(@:.bin=.img) 
                $(OBJCOPY) -O srec $< $(@:.bin=.srec)
                $(OBJCOPY) -O binary $< $@
            }
        }
    }

}