X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/raggedstone/blobdiff_plain/7b50ad38e2051140636e809d88fa4f6667ef0279..a93ef3acf570a7f2bd850608f286510d291a199d:/dhwk_old/source/top_dhwk.vhd diff --git a/dhwk_old/source/top_dhwk.vhd b/dhwk_old/source/top_dhwk.vhd index dbb54e9..13de352 100644 --- a/dhwk_old/source/top_dhwk.vhd +++ b/dhwk_old/source/top_dhwk.vhd @@ -1,43 +1,8 @@ ---+-------------------------------------------------------------------------------------------------+ ---| | ---| File: top.vhd | ---| | ---| Components: pci32lite.vhd | ---| pciwbsequ.vhd | ---| pcidmux.vhd | ---| pciregs.vhd | ---| pcipargen.vhd | ---| -- Libs -- | ---| ona.vhd | ---| | ---| Description: RS1 PCI Demo : (TOP) Main file. | ---| | ---| | ---| | ---+-------------------------------------------------------------------------------------------------+ ---| | ---| Revision history : | ---| Date Version Author Description | ---| | ---| | ---| To do: | ---| | ---+-------------------------------------------------------------------------------------------------+ - - ---+-----------------------------------------------------------------------------+ ---| LIBRARIES | ---+-----------------------------------------------------------------------------+ - library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; ---+-----------------------------------------------------------------------------+ ---| ENTITY | ---+-----------------------------------------------------------------------------+ - entity dhwk is port ( @@ -69,17 +34,9 @@ port ( end dhwk; ---+-----------------------------------------------------------------------------+ ---| ARCHITECTURE | ---+-----------------------------------------------------------------------------+ - architecture dhwk_arch of dhwk is ---+-----------------------------------------------------------------------------+ ---| COMPONENTS | ---+-----------------------------------------------------------------------------+ - component pci32tlite port ( @@ -152,31 +109,49 @@ port ( ); end component; +component wb_fifo +port ( + clk_i : in std_logic; + nrst_i : in std_logic; + + wb_adr_i : in std_logic_vector(24 downto 1); + wb_dat_o : out std_logic_vector(15 downto 0); + wb_dat_i : in std_logic_vector(15 downto 0); + wb_sel_i : in std_logic_vector(1 downto 0); + wb_we_i : in std_logic; + wb_stb_i : in std_logic; + wb_cyc_i : in std_logic; + wb_ack_o : out std_logic; + wb_err_o : out std_logic; + wb_int_o : out std_logic; + + fifo_data_i : in std_logic_vector(7 downto 0); + fifo_data_o : out std_logic_vector(7 downto 0); + + fifo_we_o : out std_logic; + fifo_re_o : out std_logic +); +end component; ---+-----------------------------------------------------------------------------+ ---| CONSTANTS | ---+-----------------------------------------------------------------------------+ ---+-----------------------------------------------------------------------------+ ---| SIGNALS | ---+-----------------------------------------------------------------------------+ +signal wb_adr : std_logic_vector(24 downto 1); +signal wb_dat_out : std_logic_vector(15 downto 0); +signal wb_dat_in : std_logic_vector(15 downto 0); +signal wb_sel : std_logic_vector(1 downto 0); +signal wb_we : std_logic; +signal wb_stb : std_logic; +signal wb_cyc : std_logic; +signal wb_ack : std_logic; +signal wb_err : std_logic; +signal wb_int : std_logic; - signal wb_adr : std_logic_vector(24 downto 1); - signal wb_dat_out : std_logic_vector(15 downto 0); - signal wb_dat_in : std_logic_vector(15 downto 0); - signal wb_sel : std_logic_vector(1 downto 0); - signal wb_we : std_logic; - signal wb_stb : std_logic; - signal wb_cyc : std_logic; - signal wb_ack : std_logic; - signal wb_err : std_logic; - signal wb_int : std_logic; +signal fifo_din : std_logic_vector(7 downto 0); +signal fifo_dout : std_logic_vector(7 downto 0); +signal fifo_we : std_logic; +signal fifo_re : std_logic; -begin ---+-----------------------------------------+ ---| PCI Target | ---+-----------------------------------------+ +begin u_pci: component pci32tlite port map( @@ -206,11 +181,50 @@ port map( wb_int_i => wb_int -- debug_init => LED3, -- debug_access => LED2 - ); +); ---+-----------------------------------------+ ---| WB-7seg | ---+-----------------------------------------+ +my_generic_fifo: component generic_fifo_sc_a +port map( + clk => PCI_CLK, + rst => PCI_nRES, + clr => '0', + din => fifo_din, + we => fifo_we, + dout => fifo_dout, + re => fifo_re +-- full => , +-- full_r => , +-- empty => , +-- empty_r => , +-- full_n => , +-- full_n_r => , +-- empty_n => , +-- empty_n_r => , +-- level => , +); + +my_fifo: component wb_fifo +port map( + clk_i => PCI_CLK, + nrst_i => PCI_nRES, + + wb_adr_i => wb_adr, + wb_dat_o => wb_dat_out, + wb_dat_i => wb_dat_in, + wb_sel_i => wb_sel, + wb_we_i => wb_we, + wb_stb_i => wb_stb, + wb_cyc_i => wb_cyc, + wb_ack_o => wb_ack, + wb_err_o => wb_err, + wb_int_o => wb_int, + + fifo_data_i => fifo_dout, + fifo_data_o => fifo_din, + + fifo_we_o => fifo_we, + fifo_re_o => fifo_re +); my_heartbeat: component heartbeat port map(