| // ========== Copyright Header Begin ========================================== |
| // |
| // OpenSPARC T1 Processor File: pad_ddr2.v |
| // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| // |
| // The above named program is free software; you can redistribute it and/or |
| // modify it under the terms of the GNU General Public |
| // License version 2 as published by the Free Software Foundation. |
| // |
| // The above named program 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 this work; if not, write to the Free Software |
| // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| // |
| // ========== Copyright Header End ============================================ |
| module pad_ddr2(ddr2_dll_bypass_l ,ddr2_bypass_data ,clk_ddr2_cken , |
| spare_ddr2_pin ,bscan_mode_ctl_in ,spare_ddr2_pad ,bscan_hiz_l_in , |
| ddr_si ,tck ,pad_ddr2_sscan_out ,dram2_io_bank ,dram2_dq ,dram2_cb |
| ,dram2_ba ,dram2_cas_l ,dram2_ras_l ,dram2_cke ,pad_ddr2_sscan_in |
| ,ddr_testmode_l ,ctu_ddr2_dll_delayctr ,dram2_io_cs_l ,afo , |
| bypass_enable ,bypass_enable_out ,bscan_shift_dr_out , |
| bscan_clock_dr_out ,bscan_hiz_l_out ,ps_select_out , |
| bscan_update_dr_out ,serial_out ,afi ,vdd18 ,ddr2_ctu_dll_overflow |
| ,bscan_mode_ctl_out ,pad_ddr2_bsi ,dram_arst_l ,dram_grst_l , |
| dram_gclk ,dram2_ck_p ,ctu_global_snap ,dram_gdbginit_l , |
| ctu_ddr2_iodll_rst_l ,test_mode ,bscan_clock_dr_in ,serial_in , |
| dram2_io_ptr_clk_inv ,ctu_io_sscan_update ,ctu_io_sscan_se , |
| spare_ddr2_paddata ,dram23_p_ref_res ,ddr2_ddr3_cbd ,ddr_so , |
| ps_select ,dram23_n_ref_res ,dram2_dqs ,pad_ddr2_bso ,ddr_se , |
| dram2_addr ,dram2_we_l ,dram2_ck_n ,dram_adbginit_l |
| ,ddr2_ddr3_cbu ,bscan_shift_dr_in ,ddr2_ctu_dll_lock , |
| dram2_io_pad_enable ,bscan_update_dr_in ,dram2_io_drive_enable , |
| dram2_io_write_en_l ,dram2_io_cas_l ,dram2_io_ras_l , |
| dram2_io_clk_enable ,io_dram2_data_valid ,dram2_io_addr , |
| io_dram2_data_in ,dram2_io_channel_disabled ,io_dram2_ecc_in , |
| dram2_io_drive_data ,dram2_io_data_out ,dram2_io_cke , |
| dram2_io_pad_clk_inv ,dram2_cs_l ,spare_ddr2_pindata, ddr2_lpf_code ); |
| output [4:0] ddr2_lpf_code ; |
| output [2:0] dram2_ba ; |
| output [143:0] serial_out ; |
| output [143:0] afi ; |
| output [3:0] dram2_ck_p ; |
| output [8:1] ddr2_ddr3_cbd ; |
| output [14:0] dram2_addr ; |
| output [3:0] dram2_ck_n ; |
| output [8:1] ddr2_ddr3_cbu ; |
| output [255:0] io_dram2_data_in ; |
| output [31:0] io_dram2_ecc_in ; |
| output [3:0] dram2_cs_l ; |
| input [4:0] ddr2_bypass_data ; |
| input [2:0] dram2_io_bank ; |
| input [2:0] ctu_ddr2_dll_delayctr ; |
| input [3:0] dram2_io_cs_l ; |
| input [143:0] afo ; |
| input [1:0] dram_gclk ; |
| input [143:0] serial_in ; |
| input [4:0] dram2_io_ptr_clk_inv ; |
| input [6:0] spare_ddr2_paddata ; |
| input [14:0] dram2_io_addr ; |
| input [287:0] dram2_io_data_out ; |
| input [2:0] spare_ddr2_pindata ; |
| inout [2:0] spare_ddr2_pin ; |
| inout [6:0] spare_ddr2_pad ; |
| inout [127:0] dram2_dq ; |
| inout [15:0] dram2_cb ; |
| inout [35:0] dram2_dqs ; |
| output pad_ddr2_sscan_out ; |
| output dram2_cas_l ; |
| output dram2_ras_l ; |
| output dram2_cke ; |
| output bypass_enable_out ; |
| output bscan_shift_dr_out ; |
| output bscan_clock_dr_out ; |
| output bscan_hiz_l_out ; |
| output ps_select_out ; |
| output bscan_update_dr_out ; |
| output ddr2_ctu_dll_overflow ; |
| output bscan_mode_ctl_out ; |
| output ddr_so ; |
| output pad_ddr2_bso ; |
| output dram2_we_l ; |
| output ddr2_ctu_dll_lock ; |
| output io_dram2_data_valid ; |
| input ddr2_dll_bypass_l ; |
| input clk_ddr2_cken ; |
| input bscan_mode_ctl_in ; |
| input bscan_hiz_l_in ; |
| input ddr_si ; |
| input tck ; |
| input pad_ddr2_sscan_in ; |
| input ddr_testmode_l ; |
| input bypass_enable ; |
| input vdd18 ; |
| input pad_ddr2_bsi ; |
| input dram_arst_l ; |
| input dram_grst_l ; |
| input ctu_global_snap ; |
| input dram_gdbginit_l ; |
| input ctu_ddr2_iodll_rst_l ; |
| input test_mode ; |
| input bscan_clock_dr_in ; |
| input ctu_io_sscan_update ; |
| input ctu_io_sscan_se ; |
| input dram23_p_ref_res ; |
| input ps_select ; |
| input dram23_n_ref_res ; |
| input ddr_se ; |
| input dram_adbginit_l ; |
| input bscan_shift_dr_in ; |
| input dram2_io_pad_enable ; |
| input bscan_update_dr_in ; |
| input dram2_io_drive_enable ; |
| input dram2_io_write_en_l ; |
| input dram2_io_cas_l ; |
| input dram2_io_ras_l ; |
| input dram2_io_clk_enable ; |
| input dram2_io_channel_disabled ; |
| input dram2_io_drive_data ; |
| input dram2_io_cke ; |
| input dram2_io_pad_clk_inv ; |
| supply1 vdd ; |
| supply0 vss ; |
| |
| wire [7:0] net227 ; |
| wire [7:0] net246 ; |
| wire net0204 ; |
| wire net196 ; |
| wire rst_l ; |
| wire sscan0 ; |
| wire net228 ; |
| wire scan0 ; |
| wire scan1 ; |
| wire scan2 ; |
| wire scan3 ; |
| wire clk_ddr2_cken_buf ; |
| wire net247 ; |
| wire ddr_se_buf ; |
| wire rclk ; |
| wire arst2_l ; |
| |
| |
| bw_io_ddr_impctl_pulldown ddr2_impctl_pulldown ( |
| .z ({ddr2_ddr3_cbd } ), |
| .from_csr ({vss ,vss ,vss ,vss ,vss ,vss ,vss ,vss } ), |
| .to_csr ({net246[0] ,net246[1] ,net246[2] ,net246[3] , |
| net246[4] ,net246[5] ,net246[6] ,net246[7] } ), |
| .tclk (tck ), |
| .ctu_global_snap (ctu_global_snap ), |
| .ctu_io_sscan_in (sscan0 ), |
| .ctu_io_sscan_se (ctu_io_sscan_se ), |
| .ctu_io_sscan_update (ctu_io_sscan_update ), |
| .ctu_io_sscan_out (pad_ddr2_sscan_out ), |
| .rclk (rclk ), |
| .deltabit (net247 ), |
| .hard_reset_n (rst_l ), |
| .clk_dis_l (clk_ddr2_cken_buf ), |
| .we_csr (vss ), |
| .si (scan1 ), |
| .se (ddr_se_buf ), |
| .vdd18 (vdd18 ), |
| .pad (dram23_n_ref_res ), |
| .so (scan2 ) ); |
| bw_io_ddr_impctl_pullup ddr2_impctl_pullup ( |
| .z ({ddr2_ddr3_cbu } ), |
| .from_csr ({vss ,vss ,vss ,vss ,vss ,vss ,vss ,vss } ), |
| .to_csr ({net227[0] ,net227[1] ,net227[2] ,net227[3] , |
| net227[4] ,net227[5] ,net227[6] ,net227[7] } ), |
| .rclk (rclk ), |
| .so (scan1 ), |
| .deltabit (net228 ), |
| .hard_reset_n (rst_l ), |
| .clk_dis_l (clk_ddr2_cken_buf ), |
| .we_csr (vss ), |
| .si (scan0 ), |
| .se (ddr_se_buf ), |
| .ctu_io_sscan_se (ctu_io_sscan_se ), |
| .vdd18 (vdd18 ), |
| .ctu_io_sscan_in (pad_ddr2_sscan_in ), |
| .ctu_io_sscan_out (sscan0 ), |
| .ctu_io_sscan_update (ctu_io_sscan_update ), |
| .pad (dram23_p_ref_res ), |
| .ctu_global_snap (ctu_global_snap ), |
| .tclk (tck ) ); |
| // ECO 7016: added instance ddr2_iodll_code_adjust 10/11/04 |
| // ECO 7016: Changed so, lpf_out connections on ddr2_master_dll |
| |
| wire [4:0] ddr2_lpf_code_pre; |
| wire scan3_pre; |
| |
| bw_iodll_code_adjust ddr2_iodll_code_adjust ( |
| .bypass_data (ddr2_bypass_data[4:0]), |
| .ddr_clk_in (rclk), |
| .delay_ctrl (ctu_ddr2_dll_delayctr[2:0]), |
| .io_dll_bypass_l (ddr2_dll_bypass_l), |
| .iodll_reset_l (ctu_ddr2_iodll_rst_l), |
| .s_controller_out (ddr2_lpf_code_pre[4:0]), |
| .s_percent_ctrl_out (ddr2_lpf_code[4:0]), |
| .se (ddr_se_buf), |
| .si (scan3_pre), |
| .so (scan3)); |
| |
| bw_iodll ddr2_master_dll ( |
| .ddr_testmode_l (ddr_testmode_l ), |
| .bypass_data ({ddr2_bypass_data } ), |
| .lpf_out (ddr2_lpf_code_pre ), |
| .delay_ctrl ({ctu_ddr2_dll_delayctr } ), |
| .so (scan3_pre ), |
| .io_dll_bypass_l (ddr2_dll_bypass_l ), |
| .io_dll_reset_l (ctu_ddr2_iodll_rst_l ), |
| .se (ddr_se_buf ), |
| .si (scan2 ), |
| .ddr_clk_in (rclk ), |
| .iodll_lock (ddr2_ctu_dll_lock ), |
| .overflow (ddr2_ctu_dll_overflow ), |
| .strobe (net0204 ) ); |
| // End ECO 7016 |
| |
| bw_clk_cl_ddr_ddr pad_ddr2_header ( |
| .gclk ({dram_gclk } ), |
| .ddr_rclk (rclk ), |
| .so (ddr_so_pre_latch ), |
| .si (scan3 ), |
| .gdbginit_l (dram_gdbginit_l ), |
| .grst_l (dram_grst_l ), |
| .cluster_grst_l (rst_l ), |
| .dbginit_l (net196 ), |
| .rclk (rclk ), |
| .se (ddr_se_buf ), |
| .adbginit_l (dram_adbginit_l ), |
| .arst2_l (arst2_l ), |
| .arst_l (dram_arst_l ), |
| .cluster_cken (clk_ddr2_cken_buf ) ); |
| bw_u1_buf_40x I223 ( |
| .z (ddr_se_buf ), |
| .a (ddr_se ) ); |
| ddr_ch ddr2_ddr_ch ( |
| .arst_l_out (arst2_l ), |
| .afo ({afo } ), |
| .serial_in ({serial_in } ), |
| .afi ({afi } ), |
| .serial_out ({serial_out } ), |
| .dram_io_data_out ({dram2_io_data_out } ), |
| .spare_ddr_pin ({spare_ddr2_pin[2] ,spare_ddr2_pad[6:0] , |
| spare_ddr2_pin[1:0] } ), |
| .spare_ddr_data ({spare_ddr2_pindata[2] ,spare_ddr2_paddata[6:0] , |
| spare_ddr2_pindata[1:0] } ), |
| .dram_io_ptr_clk_inv ({dram2_io_ptr_clk_inv } ), |
| .io_dram_data_in ({io_dram2_data_in } ), |
| .io_dram_ecc_in ({io_dram2_ecc_in } ), |
| .dram_io_addr ({dram2_io_addr } ), |
| .dram_io_bank ({dram2_io_bank } ), |
| .dram_io_cs_l ({dram2_io_cs_l } ), |
| .dram_dq ({dram2_dq } ), |
| .dram_addr ({dram2_addr } ), |
| .dram_cb ({dram2_cb } ), |
| .dram_dqs ({dram2_dqs } ), |
| .dram_ba ({dram2_ba } ), |
| .dram_ck_n ({dram2_ck_n } ), |
| .dram_ck_p ({dram2_ck_p } ), |
| .dram_cs_l ({dram2_cs_l } ), |
| .lpf_code (ddr2_lpf_code ), |
| .cbu ({ddr2_ddr3_cbu } ), |
| .cbd ({ddr2_ddr3_cbd } ), |
| .update_dr_in (bscan_update_dr_in ), |
| .mode_ctrl_in (bscan_mode_ctl_in ), |
| .shift_dr_in (bscan_shift_dr_in ), |
| .clock_dr_in (bscan_clock_dr_in ), |
| .hiz_n_in (bscan_hiz_l_in ), |
| .testmode_l (ddr_testmode_l ), |
| .test_mode (test_mode ), |
| .bypass_enable_out (bypass_enable_out ), |
| .ps_select_out (ps_select_out ), |
| .rclk (rclk ), |
| .se (ddr_se_buf ), |
| .pad_clk_so (scan0 ), |
| .pad_clk_si (ddr_si ), |
| .bso (pad_ddr2_bso ), |
| .bsi (pad_ddr2_bsi ), |
| .mode_ctrl_out (bscan_mode_ctl_out ), |
| .update_dr_out (bscan_update_dr_out ), |
| .shift_dr_out (bscan_shift_dr_out ), |
| .clock_dr_out (bscan_clock_dr_out ), |
| .hiz_n_out (bscan_hiz_l_out ), |
| .bypass_enable_in (bypass_enable ), |
| .ps_select_in (ps_select ), |
| .strobe (net0204 ), |
| .dram_io_clk_enable (dram2_io_clk_enable ), |
| .dram_io_cke (dram2_io_cke ), |
| .dram_io_ras_l (dram2_io_ras_l ), |
| .dram_io_write_en_l (dram2_io_write_en_l ), |
| .dram_io_cas_l (dram2_io_cas_l ), |
| .dram_cke (dram2_cke ), |
| .io_dram_data_valid (io_dram2_data_valid ), |
| .dram_ras_l (dram2_ras_l ), |
| .dram_we_l (dram2_we_l ), |
| .dram_cas_l (dram2_cas_l ), |
| .burst_length_four (vdd ), |
| .dram_io_pad_clk_inv (dram2_io_pad_clk_inv ), |
| .dram_io_pad_enable (dram2_io_pad_enable ), |
| .dram_io_drive_enable (dram2_io_drive_enable ), |
| .rst_l (rst_l ), |
| .dram_arst_l (dram_arst_l ), |
| .dram_io_channel_disabled (dram2_io_channel_disabled ), |
| .dram_io_drive_data (dram2_io_drive_data ), |
| .vdd_h (vdd18 ) ); |
| bw_u1_buf_40x I225 ( |
| .z (clk_ddr2_cken_buf ), |
| .a (clk_ddr2_cken ) ); |
| bw_u1_scanl_2x lockup_latch( |
| .so(ddr_so), |
| .sd(ddr_so_pre_latch), |
| .ck(rclk)); |
| endmodule |
| |
