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

#

#      hal_mips_tx39.cdl

#

#      MIPS/TX39 variant architectural HAL package configuration data

#

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

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

######DESCRIPTIONBEGIN####

#

# Author(s):      jskov

# Original data:  bartv, nickg

# Contributors:

# Date:           1999-11-02

#

#####DESCRIPTIONEND####

#

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

cdl_package CYGPKG_HAL_MIPS_TX39 {

    display       "TX39 variant"

    parent        CYGPKG_HAL_MIPS

    hardware

    include_dir   cyg/hal

    define_header hal_mips_tx39.h

    description   "

           The TX39 architecture HAL package provides generic support

           for this processor architecture. It is also necessary to

           select a specific target platform HAL package."

    cdl_component CYGPKG_HAL_MIPS_TX3904 {

        display       "TX3904 microprocessor"

        default_value 1

        implements    CYGINT_HAL_MIPS_VARIANT

        description "

            The TMPR3904F microprocessor. This is an embedded part that in

            addition to the TX39 processor core has built in peripherals

            such as memory controllers, DMA controllers, serial ports and

            timers/counters."

        cdl_option CYGHWR_HAL_MIPS_FPU {

            display    "Variant FPU support"

            calculated 0

        }

        cdl_option CYGPKG_HAL_MIPS_MSBFIRST {

            display    "CPU Variant big-endian"

            calculated 1

        }

    }

    define_proc {

        puts $::cdl_header "#include "

    }

    cdl_option CYGHWR_HAL_MIPS_CPU_FREQ_ACTUAL {

        display       "Actual CPU frequency"

        calculated    (CYGHWR_HAL_MIPS_CPU_FREQ == 50 ? 49152000 :   \

                       CYGHWR_HAL_MIPS_CPU_FREQ == 66 ? 66355200 : 0 )

        flavor data

        legal_values  { 49152000 66355200 }

        description "

            Only the frequencies 50MHz and 66MHz are supported for this

            CPU variant."

    }

    cdl_option CYGHWR_HAL_MIPS_TX3904_TRR_REQUIRES_SYNC {

        display       "Workaround for TX3904 Timer TRR register problem"

        flavor        bool

        default_value { (CYGHWR_HAL_MIPS_CPU_FREQ == 50) ? 1 : 0 }

        description "

            Early versions of the TX3904 CPU have a bug such that if

            coprocessor 0 (CP0) is busy outputting write buffer data, reads

            of the clock would return bad values. This option enables a

            workaround by not reading the clock until the write buffer

            is empty."

    }

    compile       hal_diag.c var_misc.c variant.S

    make {

        /lib/target.ld: /src/mips_tx39.ld

        $(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<

        @echo $@ ": \\" > $(notdir $@).deps

        @tail -n +2 target.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm target.tmp

    }

    cdl_option CYGBLD_LINKER_SCRIPT {

        display "Linker script"

        flavor data

        no_define

        calculated  { "src/mips_tx39.ld" }

    }

}