verif/env/niu/vera/niu_pio/ipp_util.vr

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//
// OpenSPARC T2 Processor File: ipp_util.vr
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#include <vera_defines.vrh>
#include "ipp_memory_map.vri"
#include "mac_defines.vri"
#include "pio_driver.vrh"
//#include "ncu_stub.vrh"
// extern Cncu_stub ncu_driver;
extern niu_gen_pio gen_pio_drv;


//#include "ipp_shadow_class.vrh"
#include "cMesg.vrh"

extern Mesg be_msg;

class ipp_util_class {

        task new( ) ;
        function bit check_cmd(bit [63:0]cmd, bit [63:0] opt);
        function bit[39:0] get_ipp_reg_base(integer iport);
        task ipp_init ( integer iport, bit[63:0] cmd);

}

task ipp_util_class::new( ) { }


task ipp_util_class::ipp_init ( integer iport, bit[63:0] cmd) {


                bit [39:0] base_addr;
                bit [63:0] wr_data;

                base_addr = get_ipp_reg_base(iport);

                if( get_plus_arg( CHECK, "ENABLE_IPP_CHKSUM"))
                  {
                   wr_data   = 64'h0000_0000_01ff_ff11;
                   be_msg.print(e_mesg_info, "ipp_util_class", "ipp_init",
                     "IPP PORT %h IS ENABLED AND ALSO CHKSUM IS ENABLED, IPP_CONFIG = %h.\n",iport,wr_data);
                  }
                else
                  {
                   wr_data   = 64'h0000_0000_01ff_ff01;
                  }

                // ncu_driver.write_data(base_addr + IPP_CONFIG,wr_data);
                gen_pio_drv.pio_wr(base_addr + IPP_CONFIG,wr_data);

        be_msg.print(e_mesg_info, "ipp_util_class", "ipp_init",
                     "IPP port %0d is enabled \n",iport);

}


        function bit[39:0] ipp_util_class :: get_ipp_reg_base(integer iport){

                case(iport) {
                    0: get_ipp_reg_base = IPP0_BASE;
                    1: get_ipp_reg_base = IPP1_BASE;
                    2: get_ipp_reg_base = IPP2_BASE;
                    3: get_ipp_reg_base = IPP3_BASE;
                   default: error("Error: Invalid PORT (%0d) for get_ipp_reg_base task\n",iport);
                   }

          }


        function bit  ipp_util_class :: check_cmd(bit [63:0]cmd, bit [63:0] opt){
                if((cmd & opt) > 0)     check_cmd=1;
                else                    check_cmd=0;
           }