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# ====================================================================
#
#      hal_mips_tx39_jmr3904.cdl
#
#      TX39/JMR3904 board 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.
##
## 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     
## Software Foundation; either version 2 or (at your option) any later      
## version.                                                                 
##
## eCos is distributed in the hope that it will be useful, but WITHOUT      
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
## for more details.                                                        
##
## You should have received a copy of the GNU General Public License        
## along with eCos; if not, write to the Free Software Foundation, Inc.,    
## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 by itself cause the resulting work to be covered by   
## the GNU General Public License. However the source code for this file    
## must still be made available in accordance with section (3) of the GNU   
## General Public License v2.                                               
##
## This exception does not invalidate any other reasons why a work based    
## on this file might be covered by the GNU General Public License.         
## -------------------------------------------                              
## ####ECOSGPLCOPYRIGHTEND####                                              
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      jskov
# Original data:  bartv
# Contributors:
# Date:           1999-11-02
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_MIPS_TX39_JMR3904 {
    display  "JMR3904 evaluation board"
    parent        CYGPKG_HAL_MIPS
    requires      CYGPKG_HAL_MIPS_TX39
    define_header hal_mips_tx39_jmr3904.h
    include_dir   cyg/hal
    description   "
           The JMR3904 HAL package should be used when targetting the
           actual hardware. The same package can also be used when
           running on the full simulator, since this provides an
           accurate simulation of the hardware including I/O devices.
           To use the simulator in this mode the command
           `target sim --board=jmr3904' should be used from inside gdb."

    compile       platform.S plf_misc.c plf_stub.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_mips_tx39.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_mips_tx39_jmr3904.h>"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  {"RAM" "ROM"}
        default_value {"RAM"}
        no_define
        define -file system.h CYG_HAL_STARTUP
        description   "
           When targetting the JMR3904 board it is possible to build
           the system for either RAM bootstrap, ROM bootstrap, or STUB
           bootstrap. RAM bootstrap generally requires that the board
           is equipped with ROMs containing a suitable ROM monitor or
           equivalent software that allows GDB to download the eCos
           application on to the board. The ROM bootstrap typically
           requires that the eCos application be blown into EPROMs or
           equivalent technology."
    }

    cdl_option CYGHWR_HAL_MIPS_TX39_JMR3904_DRAM_CONFIG {
        display "DRAM configuration"
        flavor data
        legal_values {"4MB" "8MB" "16MB"}
        default_value {"16MB"}
        description "
            DRAM configuration. 4MB (1MBit (x4bit) x 8), 8MByte (1MBit
            (x4bit) x 8 x 2 banks) or 16MByte (4MBit (x4bit) x
            8). Only change if you are aware of the consequences."
    }


    cdl_option CYGHWR_HAL_MIPS_TX39_JMR3904_DRAM_CONFIG_INIT {
        display "DRAM config init"
        flavor data
        description "This is the value used for the hardware."
        calculated { CYGHWR_HAL_MIPS_TX39_JMR3904_DRAM_CONFIG == "4MB" ? 0x08013020 : \
                CYGHWR_HAL_MIPS_TX39_JMR3904_DRAM_CONFIG == "8MB" ? 0x08013020 : 0x08024030 }
    }

    cdl_option CYGHWR_HAL_MIPS_TX39_JMR3904_ENABLE_TOE {
        display "Bus timeout detection"
        default_value 0
        description "
            Only change if you are aware of the consequences."
    }

    # 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
            default_value 1000000000
        }
        cdl_option CYGNUM_HAL_RTC_DENOMINATOR {
            display       "Real-time clock denominator"
            flavor        data
            default_value 100
        }
        # Isn't a nice way to handle freq requirement!
        cdl_option CYGNUM_HAL_RTC_PERIOD {
            display       "Real-time clock period"
            flavor        data
            legal_values  { 15360 20736 }
            default_value  { CYGHWR_HAL_MIPS_CPU_FREQ == 50 ? 15360 : \
                             CYGHWR_HAL_MIPS_CPU_FREQ == 66 ? 20736 : 0 }
        }
    }

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


        cdl_option CYGBLD_GLOBAL_COMMAND_PREFIX {
            display "Global command prefix"
            flavor  data
            no_define
            default_value { "mips-tx39-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 . " -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 { "-g -nostdlib -Wl,--gc-sections -Wl,-static" }
            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 $< $@
            }
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "mips_tx39_jmr3904_ram" : \
                                                "mips_tx39_jmr3904_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_mips_tx39_jmr3904_ram.ldi>" : \
                                                    "<pkgconf/mlt_mips_tx39_jmr3904_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_mips_tx39_jmr3904_ram.h>" : \
                                                    "<pkgconf/mlt_mips_tx39_jmr3904_rom.h>" }
        }
    }

    cdl_option CYGSEM_HAL_USE_ROM_MONITOR {
        display       "Work with a ROM monitor"
        flavor        booldata
        legal_values  { "Generic" "CygMon" "GDB_stubs" }
        default_value { CYG_HAL_STARTUP == "RAM" ? "CygMon" : 0 }
        parent        CYGPKG_HAL_ROM_MONITOR
        requires      { CYG_HAL_STARTUP == "RAM" }
        description   "
            Support can be enabled for three 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.
            \"CygMon\" provides support for the Cygnus ROM Monitor.
            And finally, \"GDB_stubs\" provides support when GDB stubs are
            included in the ROM monitor or boot ROM."
    }

    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."
    }
}