X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/raggedstone/blobdiff_plain/79de9a8ac035589f97f62a57ad7a9a5f30d7877f..70f633de02777501eba552b2a46df48f37dab136:/dhwk/source/pci/top.vhd diff --git a/dhwk/source/pci/top.vhd b/dhwk/source/pci/top.vhd index 01c30b6..5c4851a 100644 --- a/dhwk/source/pci/top.vhd +++ b/dhwk/source/pci/top.vhd @@ -90,6 +90,7 @@ architecture SCHEMATIC of dhwk is signal SPC_RDY_IN : std_logic; signal SERIAL_OUT : std_logic; signal SPC_RDY_OUT : std_logic; + signal led_PCI_INTA : std_logic; signal watch_PCI_INTAn : std_logic; signal watch_PCI_TRDYn : std_logic; signal watch_PCI_STOPn : std_logic; @@ -97,8 +98,11 @@ architecture SCHEMATIC of dhwk is signal watch_PCI_PERRn : std_logic; signal watch_PCI_REQn : std_logic; signal control0 : std_logic_vector(35 downto 0); + signal control1 : std_logic_vector(35 downto 0); signal data : std_logic_vector(95 downto 0); signal trig0 : std_logic_vector(31 downto 0); + signal vio_sync_out : std_logic_vector(0 downto 0); + signal vio_async_in : std_logic_vector(3 downto 0); component MESS_1_TB Port ( DEVSELn : In std_logic; @@ -232,7 +236,8 @@ architecture SCHEMATIC of dhwk is component icon port ( - control0 : out std_logic_vector(35 downto 0) + control0 : out std_logic_vector(35 downto 0); + control1 : out std_logic_vector(35 downto 0) ); end component; @@ -246,16 +251,41 @@ architecture SCHEMATIC of dhwk is ); end component; + component vio + port + ( + control : in std_logic_vector(35 downto 0); + clk : in std_logic; + async_in : in std_logic_vector(3 downto 0); + sync_out : out std_logic_vector(0 downto 0) + ); + end component; + begin + process(PCI_CLOCK) + begin + if rising_edge(PCI_CLOCK) then + led_PCI_INTA <= not (watch_PCI_INTAn and (not vio_sync_out(0))); + end if; + end process; + watch_PCI_REQn <= '1'; SERIAL_IN <= SERIAL_OUT; SPC_RDY_IN <= SPC_RDY_OUT; LED_2 <= not PCI_RSTn; LED_3 <= not PCI_IDSEL; LED_4 <= not PCI_FRAMEn; - LED_5 <= not watch_PCI_INTAn; - PCI_INTAn <= watch_PCI_INTAn; + LED_5 <= led_PCI_INTA; + PCI_INTAn <= (watch_PCI_INTAn and (not vio_sync_out(0))); + + vio_async_in(3 downto 0) <= ( + 0 => not PCI_RSTn, + 1 => not PCI_IDSEL, + 2 => not PCI_FRAMEn, + 3 => led_PCI_INTA + ); + trig0(31 downto 0) <= ( 0 => watch_PCI_INTAn, 1 => R_FIFO_READn, @@ -412,7 +442,8 @@ begin i_icon : icon port map ( - control0 => control0 + control0 => control0, + control1 => control1 ); i_ila : ila @@ -423,4 +454,13 @@ begin data => data, trig0 => trig0 ); + + i_vio : vio + port map + ( + control => control1, + clk => PCI_CLOCK, + async_in => vio_async_in, + sync_out => vio_sync_out + ); end SCHEMATIC;