// ========== Copyright Header Begin ========================================== // // OpenSPARC T2 Processor File: dmu_cru_default_grp.v // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved // 4150 Network Circle, Santa Clara, California 95054, U.S.A. // // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; version 2 of the License. // // This 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 program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // For the avoidance of doubt, and except that if any non-GPL license // choice is available it will apply instead, Sun elects to use only // the General Public License version 2 (GPLv2) at this time for any // software where a choice of GPL license versions is made // available with the language indicating that GPLv2 or any later version // may be used, or where a choice of which version of the GPL is applied is // otherwise unspecified. // // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, // CA 95054 USA or visit www.sun.com if you need additional information or // have any questions. // // ========== Copyright Header End ============================================ module dmu_cru_default_grp ( clk, dmc_dbg_sel_a_reg_block_sel_hw_read, dmc_dbg_sel_a_reg_sub_sel_hw_read, dmc_dbg_sel_a_reg_signal_sel_hw_read, dmc_dbg_sel_a_reg_select_pulse, dmc_dbg_sel_b_reg_block_sel_hw_read, dmc_dbg_sel_b_reg_sub_sel_hw_read, dmc_dbg_sel_b_reg_signal_sel_hw_read, dmc_dbg_sel_b_reg_select_pulse, dmc_pcie_cfg_bus_num_hw_read, dmc_pcie_cfg_req_id_hw_read, dmc_pcie_cfg_select_pulse, rst_l, daemon_csrbus_wr_in, daemon_csrbus_wr_data_in, read_data_0_out ); //==================================================== // Polarity declarations //==================================================== input clk; // Clock signal output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_BLOCK_SEL_INT_SLC] dmc_dbg_sel_a_reg_block_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_block_sel. output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_SUB_SEL_INT_SLC] dmc_dbg_sel_a_reg_sub_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_sub_sel. output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_SIGNAL_SEL_INT_SLC] dmc_dbg_sel_a_reg_signal_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_signal_sel. input dmc_dbg_sel_a_reg_select_pulse; // select output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_BLOCK_SEL_INT_SLC] dmc_dbg_sel_b_reg_block_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_block_sel. output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_SUB_SEL_INT_SLC] dmc_dbg_sel_b_reg_sub_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_sub_sel. output [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_SIGNAL_SEL_INT_SLC] dmc_dbg_sel_b_reg_signal_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_signal_sel. input dmc_dbg_sel_b_reg_select_pulse; // select output [`FIRE_DLC_CRU_CSR_DMC_PCIE_CFG_BUS_NUM_INT_SLC] dmc_pcie_cfg_bus_num_hw_read; // This signal provides the current value of dmc_pcie_cfg_bus_num. output [`FIRE_DLC_CRU_CSR_DMC_PCIE_CFG_REQ_ID_INT_SLC] dmc_pcie_cfg_req_id_hw_read; // This signal provides the current value of dmc_pcie_cfg_req_id. input dmc_pcie_cfg_select_pulse; // select input rst_l; // HW reset input daemon_csrbus_wr_in; // csrbus_wr input [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data_in; // SW write data output [`FIRE_CSRBUS_DATA_WIDTH - 1:0] read_data_0_out; // Read Data //==================================================== // Type declarations //==================================================== wire clk; // Clock signal wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_BLOCK_SEL_INT_SLC] dmc_dbg_sel_a_reg_block_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_block_sel. wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_SUB_SEL_INT_SLC] dmc_dbg_sel_a_reg_sub_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_sub_sel. wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_SIGNAL_SEL_INT_SLC] dmc_dbg_sel_a_reg_signal_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_a_reg_signal_sel. wire dmc_dbg_sel_a_reg_select_pulse; // select wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_BLOCK_SEL_INT_SLC] dmc_dbg_sel_b_reg_block_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_block_sel. wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_SUB_SEL_INT_SLC] dmc_dbg_sel_b_reg_sub_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_sub_sel. wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_SIGNAL_SEL_INT_SLC] dmc_dbg_sel_b_reg_signal_sel_hw_read; // This signal provides the current value of dmc_dbg_sel_b_reg_signal_sel. wire dmc_dbg_sel_b_reg_select_pulse; // select wire [`FIRE_DLC_CRU_CSR_DMC_PCIE_CFG_BUS_NUM_INT_SLC] dmc_pcie_cfg_bus_num_hw_read; // This signal provides the current value of dmc_pcie_cfg_bus_num. wire [`FIRE_DLC_CRU_CSR_DMC_PCIE_CFG_REQ_ID_INT_SLC] dmc_pcie_cfg_req_id_hw_read; // This signal provides the current value of dmc_pcie_cfg_req_id. wire dmc_pcie_cfg_select_pulse; // select wire rst_l; // HW reset wire daemon_csrbus_wr_in; // csrbus_wr wire [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data_in; // SW write data wire [`FIRE_CSRBUS_DATA_WIDTH - 1:0] read_data_0_out; // Read Data //==================================================== // Local signals //==================================================== //----- For CSR register: dmc_dbg_sel_a_reg wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_A_REG_WIDTH-1:0] dmc_dbg_sel_a_reg_csrbus_read_data; // Entry Based Read Data //----- For CSR register: dmc_dbg_sel_b_reg wire [`FIRE_DLC_CRU_CSR_DMC_DBG_SEL_B_REG_WIDTH-1:0] dmc_dbg_sel_b_reg_csrbus_read_data; // Entry Based Read Data //----- For CSR register: dmc_pcie_cfg wire [`FIRE_DLC_CRU_CSR_DMC_PCIE_CFG_WIDTH-1:0] dmc_pcie_cfg_csrbus_read_data; // Entry Based Read Data //==================================================== // Assignments only (first stage) //==================================================== wire [`FIRE_CSRBUS_DATA_WIDTH-1:0] daemon_csrbus_wr_data = daemon_csrbus_wr_data_in; wire daemon_csrbus_wr = daemon_csrbus_wr_in; //==================================================== // Automatic hw_ld / hw_write //==================================================== //==================================================== // Extern select //==================================================== //===================================================== // OUTPUT: read_data_out //===================================================== dmu_cru_csrpipe_3 dmu_cru_csrpipe_3_inst_1 ( .clk (clk), .rst_l (rst_l), .reg_in (1'b1), .reg_out (1'b1), .data0 (dmc_dbg_sel_a_reg_csrbus_read_data), .sel0 (dmc_dbg_sel_a_reg_select_pulse), .data1 (dmc_dbg_sel_b_reg_csrbus_read_data), .sel1 (dmc_dbg_sel_b_reg_select_pulse), .data2 (dmc_pcie_cfg_csrbus_read_data), .sel2 (dmc_pcie_cfg_select_pulse), .out (read_data_0_out) ); //==================================================== // Instantiation of registers //==================================================== wire dmc_dbg_sel_a_reg_w_ld =dmc_dbg_sel_a_reg_select_pulse & daemon_csrbus_wr; dmu_cru_csr_dmc_dbg_sel_a_reg dmc_dbg_sel_a_reg ( .clk (clk), .rst_l (rst_l), .dmc_dbg_sel_a_reg_w_ld (dmc_dbg_sel_a_reg_w_ld), .csrbus_wr_data (daemon_csrbus_wr_data), .dmc_dbg_sel_a_reg_csrbus_read_data (dmc_dbg_sel_a_reg_csrbus_read_data), .dmc_dbg_sel_a_reg_block_sel_hw_read (dmc_dbg_sel_a_reg_block_sel_hw_read), .dmc_dbg_sel_a_reg_sub_sel_hw_read (dmc_dbg_sel_a_reg_sub_sel_hw_read), .dmc_dbg_sel_a_reg_signal_sel_hw_read (dmc_dbg_sel_a_reg_signal_sel_hw_read) ); wire dmc_dbg_sel_b_reg_w_ld =dmc_dbg_sel_b_reg_select_pulse & daemon_csrbus_wr; dmu_cru_csr_dmc_dbg_sel_b_reg dmc_dbg_sel_b_reg ( .clk (clk), .rst_l (rst_l), .dmc_dbg_sel_b_reg_w_ld (dmc_dbg_sel_b_reg_w_ld), .csrbus_wr_data (daemon_csrbus_wr_data), .dmc_dbg_sel_b_reg_csrbus_read_data (dmc_dbg_sel_b_reg_csrbus_read_data), .dmc_dbg_sel_b_reg_block_sel_hw_read (dmc_dbg_sel_b_reg_block_sel_hw_read), .dmc_dbg_sel_b_reg_sub_sel_hw_read (dmc_dbg_sel_b_reg_sub_sel_hw_read), .dmc_dbg_sel_b_reg_signal_sel_hw_read (dmc_dbg_sel_b_reg_signal_sel_hw_read) ); wire dmc_pcie_cfg_w_ld =dmc_pcie_cfg_select_pulse & daemon_csrbus_wr; dmu_cru_csr_dmc_pcie_cfg dmc_pcie_cfg ( .clk (clk), .rst_l (rst_l), .dmc_pcie_cfg_w_ld (dmc_pcie_cfg_w_ld), .csrbus_wr_data (daemon_csrbus_wr_data), .dmc_pcie_cfg_csrbus_read_data (dmc_pcie_cfg_csrbus_read_data), .dmc_pcie_cfg_bus_num_hw_read (dmc_pcie_cfg_bus_num_hw_read), .dmc_pcie_cfg_req_id_hw_read (dmc_pcie_cfg_req_id_hw_read) ); endmodule // dmu_cru_default_grp