]> git.zerfleddert.de Git - raggedstone/blobdiff - dhwk_old/source/top_dhwk.vhd
enable test-led again
[raggedstone] / dhwk_old / source / top_dhwk.vhd
index 7c965c1a37194142020d8ba58b457677dc7be145..13de3520c82ea8c637ed5aee1a07ce78dbab16f2 100644 (file)
@@ -1,43 +1,8 @@
---+-------------------------------------------------------------------------------------------------+\r
---|                                                                                                                                                                                                    |\r
---|  File:                     top.vhd                                                                         |\r
---|                                                                                                                                                                                                    |\r
---|  Components:       pci32lite.vhd                                                                   |\r
---|                        pciwbsequ.vhd                                                                                                                       |\r
---|                        pcidmux.vhd                                                                                                                                 |\r
---|                        pciregs.vhd                                                                                                                                 |\r
---|                        pcipargen.vhd                                                                                                                               |\r
---|                        -- Libs --                                                                                                                                  |\r
---|                        ona.vhd                                                                                                                                             |\r
---|                                                                                                                                                                                                    |\r
---|     Description:   RS1 PCI Demo : (TOP) Main file.                                                                                 |\r
---|                                                                                                                                                                                            |\r
---|                                                                                                                                                                            |\r
---|                                                                                                                                                                                                    |\r
---+-------------------------------------------------------------------------------------------------+\r
---|                                                                                                                                                                                                    |\r
---|  Revision history :                                                                                                                                                                |\r
---|  Date                Version       Author  Description                                                                                                             |\r
---|                                                                                                                                                                                                    |\r
---|                                                                                                                                                                                                    |\r
---|  To do:                                                                                                                                                                                    |\r
---|                                                                                                                                                                                                    |\r
---+-------------------------------------------------------------------------------------------------+\r
-\r
-\r
---+-----------------------------------------------------------------------------+\r
---|                                                                    LIBRARIES                                                                       |\r
---+-----------------------------------------------------------------------------+\r
-\r
 library ieee;\r
 use ieee.std_logic_1164.all;\r
 use ieee.std_logic_arith.all;\r
 use ieee.std_logic_unsigned.all;\r
 \r
---+-----------------------------------------------------------------------------+\r
---|                                                                    ENTITY                                                                          |\r
---+-----------------------------------------------------------------------------+\r
-\r
 entity dhwk is\r
 port (\r
 \r
@@ -69,17 +34,9 @@ port (
 end dhwk;\r
 \r
 \r
---+-----------------------------------------------------------------------------+\r
---|                                                                    ARCHITECTURE                                                            |\r
---+-----------------------------------------------------------------------------+\r
-\r
 architecture dhwk_arch of dhwk is\r
 \r
 \r
---+-----------------------------------------------------------------------------+\r
---|                                                                    COMPONENTS                                                                      |\r
---+-----------------------------------------------------------------------------+\r
-\r
 component pci32tlite\r
 port (\r
 \r
@@ -131,31 +88,70 @@ port (
 );\r
 end component;\r
 \r
+component generic_fifo_sc_a\r
+port (\r
+       clk             : in std_logic;\r
+       rst             : in std_logic;\r
+       clr             : in std_logic;\r
+       din             : in std_logic_vector(7 downto 0);\r
+       we              : in std_logic;\r
+       dout            : out std_logic_vector(7 downto 0);\r
+       re              : in std_logic;\r
+       full            : out std_logic;\r
+       full_r          : out std_logic;\r
+       empty           : out std_logic;\r
+       empty_r         : out std_logic;\r
+       full_n          : out std_logic;\r
+       full_n_r        : out std_logic;\r
+       empty_n         : out std_logic;\r
+       empty_n_r       : out std_logic;\r
+       level           : out std_logic_vector(1 downto 0)\r
+);\r
+end component;\r
 \r
---+-----------------------------------------------------------------------------+\r
---|                                                                    CONSTANTS                                                                       |\r
---+-----------------------------------------------------------------------------+\r
---+-----------------------------------------------------------------------------+\r
---|                                                                    SIGNALS                                                                         |\r
---+-----------------------------------------------------------------------------+\r
+component wb_fifo\r
+port (\r
+       clk_i           : in std_logic;\r
+       nrst_i          : in std_logic;\r
+       \r
+       wb_adr_i        : in std_logic_vector(24 downto 1);\r
+       wb_dat_o        : out std_logic_vector(15 downto 0);\r
+       wb_dat_i        : in std_logic_vector(15 downto 0);\r
+       wb_sel_i        : in std_logic_vector(1 downto 0);\r
+       wb_we_i         : in std_logic;\r
+       wb_stb_i        : in std_logic;\r
+       wb_cyc_i        : in std_logic;\r
+       wb_ack_o        : out std_logic;\r
+       wb_err_o        : out std_logic;\r
+       wb_int_o        : out std_logic;\r
+       \r
+       fifo_data_i     : in std_logic_vector(7 downto 0);\r
+       fifo_data_o     : out std_logic_vector(7 downto 0);\r
+\r
+       fifo_we_o       : out std_logic;\r
+       fifo_re_o       : out std_logic\r
+);\r
+end component;\r
 \r
-       signal  wb_adr :                std_logic_vector(24 downto 1);   \r
-       signal  wb_dat_out :    std_logic_vector(15 downto 0);\r
-       signal  wb_dat_in :             std_logic_vector(15 downto 0);\r
-       signal  wb_sel :                std_logic_vector(1 downto 0);\r
-       signal  wb_we :                 std_logic;\r
-       signal  wb_stb :                std_logic;\r
-       signal  wb_cyc :                std_logic;\r
-       signal  wb_ack :                std_logic;\r
-       signal  wb_err :                std_logic;\r
-       signal  wb_int :                std_logic;\r
+signal         wb_adr :                std_logic_vector(24 downto 1);   \r
+signal wb_dat_out :    std_logic_vector(15 downto 0);\r
+signal         wb_dat_in :             std_logic_vector(15 downto 0);\r
+signal wb_sel :                std_logic_vector(1 downto 0);\r
+signal  wb_we :                        std_logic;\r
+signal wb_stb :                std_logic;\r
+signal wb_cyc :                std_logic;\r
+signal wb_ack :                std_logic;\r
+signal wb_err :                std_logic;\r
+signal wb_int :                std_logic;\r
+\r
+signal fifo_din                : std_logic_vector(7 downto 0);\r
+signal fifo_dout       : std_logic_vector(7 downto 0);\r
+signal fifo_we         : std_logic;\r
+signal fifo_re         : std_logic;\r
 \r
 \r
-begin\r
 \r
---+-----------------------------------------+\r
---|  PCI Target                                                        |\r
---+-----------------------------------------+\r
+begin\r
 \r
 u_pci: component pci32tlite\r
 port map(\r
@@ -185,11 +181,50 @@ port map(
                wb_int_i =>             wb_int\r
 --             debug_init =>   LED3,\r
 --             debug_access => LED2\r
-               );\r
+);\r
 \r
---+-----------------------------------------+\r
---|  WB-7seg                                                   |\r
---+-----------------------------------------+\r
+my_generic_fifo: component generic_fifo_sc_a\r
+port map(\r
+       clk             => PCI_CLK,\r
+       rst             => PCI_nRES,\r
+       clr             => '0',\r
+       din             => fifo_din,\r
+       we              => fifo_we,\r
+       dout            => fifo_dout,\r
+       re              => fifo_re\r
+--     full            => ,\r
+--     full_r          => ,\r
+--     empty           => ,\r
+--     empty_r         => ,\r
+--     full_n          => ,\r
+--     full_n_r        => ,\r
+--     empty_n         => ,\r
+--     empty_n_r       => ,\r
+--     level           => ,\r
+);\r
+\r
+my_fifo: component wb_fifo\r
+port map(\r
+       clk_i            => PCI_CLK,\r
+       nrst_i           => PCI_nRES,\r
+\r
+       wb_adr_i         => wb_adr,\r
+       wb_dat_o         => wb_dat_out,\r
+       wb_dat_i         => wb_dat_in,\r
+       wb_sel_i         => wb_sel,\r
+       wb_we_i          => wb_we,\r
+       wb_stb_i         => wb_stb,\r
+       wb_cyc_i         => wb_cyc,\r
+       wb_ack_o         => wb_ack,\r
+       wb_err_o         => wb_err,\r
+       wb_int_o         => wb_int,\r
+\r
+       fifo_data_i      => fifo_dout,\r
+       fifo_data_o      => fifo_din,\r
+\r
+       fifo_we_o        => fifo_we,\r
+       fifo_re_o        => fifo_re\r
+);\r
 \r
 my_heartbeat: component heartbeat\r
 port map( \r
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