Subversion Repositories sdr_ctrl

   /****************************************************************************/

   /****************************************************************************/

   // Instantiate sdr_req_gen

   // Instantiate sdr_req_gen

   // This module takes requests from the app, chops them to burst booundaries

   // This module takes requests from the app, chops them to burst booundaries

   // if wrap=0, decodes the bank and passe the request to bank_ctl

   // if wrap=0, decodes the bank and passe the request to bank_ctl

          .clk                (clk          ),

          .clk                (clk          ),

          .reset_n            (reset_n            ),

          .reset_n            (reset_n            ),

          .sdr_dev_config     (cfg_sdr_dev_config ),

          .sdr_dev_config     (cfg_sdr_dev_config ),

        /* Request from app */

        /* Request from app */

   // Instantiate sdr_bank_ctl

   // Instantiate sdr_bank_ctl

   // This module takes requests from sdr_req_gen, checks for page hit/miss and

   // This module takes requests from sdr_req_gen, checks for page hit/miss and

   // issues precharge/activate commands and then passes the request to

   // issues precharge/activate commands and then passes the request to

   // sdr_xfr_ctl. 

   // sdr_xfr_ctl. 

          .clk                (clk          ),

          .clk                (clk          ),

          .reset_n            (reset_n            ),

          .reset_n            (reset_n            ),

          .a2b_req_depth      (cfg_req_depth      ),

          .a2b_req_depth      (cfg_req_depth      ),

      /* Req from req_gen */

      /* Req from req_gen */

   // This module takes requests from sdr_bank_ctl, runs the transfer and

   // This module takes requests from sdr_bank_ctl, runs the transfer and

   // controls data flow to/from the app. At the end of the transfer it issues a

   // controls data flow to/from the app. At the end of the transfer it issues a

   // burst terminate if not at the end of a burst and another command to this

   // burst terminate if not at the end of a burst and another command to this

   // bank is not available.

   // bank is not available.

          .clk                (clk          ),

          .clk                (clk          ),

          .reset_n            (reset_n            ),

          .reset_n            (reset_n            ),

      /* Transfer request from bank_ctl */

      /* Transfer request from bank_ctl */

          .r2x_idle           (r2x_idle           ),

          .r2x_idle           (r2x_idle           ),

          .twr_delay          (cfg_sdr_twr_d      ),

          .twr_delay          (cfg_sdr_twr_d      ),

          .rfsh_time          (cfg_sdr_rfsh       ),

          .rfsh_time          (cfg_sdr_rfsh       ),

          .rfsh_rmax          (cfg_sdr_rfmax      )

          .rfsh_rmax          (cfg_sdr_rfmax      )

    );

    );

          .clk                (clk          ),

          .clk                (clk          ),

          .reset_n            (reset_n            ),

          .reset_n            (reset_n            ),

          .sdr_width          (sdr_width          ),

          .sdr_width          (sdr_width          ),

          .app_req_addr       (app_req_addr       ),

          .app_req_addr       (app_req_addr       ),