hal_arm_sa11x0.cdl

eCos操作系统源码

# ====================================================================
#
#      hal_arm_sa11x0.cdl
#
#      ARM SA11x0 architectural HAL package configuration data
#
# ====================================================================
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      gthomas
# Original data:  gthomas
# Contributors:
# Date:           2000-05-08
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_HAL_ARM_SA11X0 {
    display       "ARM SA11X0 architecture"
    parent        CYGPKG_HAL_ARM
    hardware
    include_dir   cyg/hal
    define_header hal_arm_sa11x0.h
    description   "
        This HAL variant package provides generic
        support for the Intel StrongARM SA11x0 processors. It is also
        necessary to select a specific target platform HAL
        package."

    implements    CYGINT_HAL_ARM_ARCH_STRONGARM
    implements    CYGINT_HAL_VIRTUAL_VECTOR_COMM_BAUD_SUPPORT
    implements    CYGINT_PROFILE_HAL_TIMER

    # Let the architectural HAL see this variant's interrupts file -
    # the SA11x0 has no variation between targets here.
    define_proc {
        puts $::cdl_header "#define CYGBLD_HAL_VAR_INTS_H <cyg/hal/hal_var_ints.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_ARM_VAR_IO_H"

        puts $::cdl_header "#define CYGPRI_KERNEL_TESTS_DHRYSTONE_PASSES 1000000"
    }

    compile       hal_diag.c sa11x0_misc.c

    cdl_option CYGHWR_HAL_ARM_SA11X0_PROCESSOR_CLOCK {
        display       "Processor clock rate"
        active_if     { CYG_HAL_STARTUP == "ROM" }
        flavor        data
        legal_values  59000 73700 88500 103200 118000 132700 147500 162200 176900 191700 206400 221200
        default_value { CYGHWR_HAL_ARM_SA11X0_PROCESSOR_CLOCK_OVERRIDE_DEFAULT ?
                        CYGHWR_HAL_ARM_SA11X0_PROCESSOR_CLOCK_OVERRIDE_DEFAULT : 221200}
        description   "
           The SA-1100 processor can run at various frequencies.
           These values are expressed in KHz.  Note that there are
           several steppings of the SA-1100 rated to run at different
           maximum frequencies.  Check the specs to make sure that your
           particular processor can run at the rate you select here."
    }

    # 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
            default_value 1000000000
        }
        cdl_option CYGNUM_HAL_RTC_DENOMINATOR {
            display       "Real-time clock denominator"
            flavor        data
            default_value 100
            description   "
              This option selects the heartbeat rate for the real-time clock.
              The rate is specified in ticks per second.  Change this value
              with caution - too high and your system will become saturated
              just handling clock interrupts, too low and some operations
              such as thread scheduling may become sluggish."
        }
        cdl_option CYGNUM_HAL_RTC_PERIOD {
            display       "Real-time clock period"
            flavor        data
            default_value (3686400/CYGNUM_HAL_RTC_DENOMINATOR)        ;# Clock for OS Timer is 3.6864MHz
        }
    }

    # Control over hardware layout.  
    cdl_interface     CYGHWR_HAL_ARM_SA11X0_UART1 {
        display   "UART1 available as diagnostic/debug channel"
        description "
	  The SA11x0 chip has multiple serial channels which may be
          used for different things on different platforms.  This
          interface allows a platform to indicate that the specified
          serial port can be used as a diagnostic and/or debug channel."
    }

    cdl_interface     CYGHWR_HAL_ARM_SA11X0_UART3 {
        display   "UART3 available as diagnostic/debug channel"
        description "
	  The SA11x0 chip has multiple serial channels which may be
          used for different things on different platforms.  This
          interface allows a platform to indicate that the specified
          serial port can be used as a diagnostic and/or debug channel."
    }

    cdl_option CYGPKG_HAL_ARM_SA11X0_TESTS {
	display "SA11x0 HAL tests"
	flavor  data
	no_define
	calculated { "tests/mmap_test" }
	description   "
	This option specifies the set of tests for the SA11x0 HAL."
    }


    cdl_component CYGPKG_REDBOOT_HAL_SA11X0_OPTIONS {
        display       "Redboot HAL variant options"
        flavor        none
        no_define
        parent        CYGPKG_REDBOOT
        active_if     CYGPKG_REDBOOT

        # RedBoot details
        requires { CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT == 0xc0008000 }
        define_proc {
            puts $::cdl_header "#define CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS 0x00001f00"
        }
    }
}