]> git.zerfleddert.de Git - raggedstone/blobdiff - dhwk/source/pci/config_space_header.vhd
etnerprise level consolidation
[raggedstone] / dhwk / source / pci / config_space_header.vhd
index de5798384e95440898d64172cfc16f06f93e8b25..9114785f5c75f6df64246c4686a27ea38e987717 100644 (file)
@@ -28,6 +28,13 @@ end CONFIG_SPACE_HEADER;
 architecture SCHEMATIC of CONFIG_SPACE_HEADER is
 
         constant CONF_DEVICE_ID :std_logic_vector(31 downto 16) := X"AFFE";
+        --other comm. device
+        constant CONF_CLASS_CODE :std_logic_vector (31 downto 8) := X"078000";
+
+        signal CONF_MAX_LAT :std_logic_vector (31 downto 24);
+        signal CONF_MIN_GNT :std_logic_vector (23 downto 16);
+        signal CONF_INT_PIN :std_logic_vector (15 downto 8);
+        signal CONF_INT_LINE :std_logic_vector ( 7 downto 0);
 
         SIGNAL gnd : std_logic := '0';
         SIGNAL vcc : std_logic := '1';
@@ -68,15 +75,6 @@ architecture SCHEMATIC of CONFIG_SPACE_HEADER is
                        CONF_WR_3CH : Out std_logic );
         end component;
 
-        component CONFIG_3CH
-                Port ( AD_REG : In std_logic_vector (31 downto 0);
-                       CBE_REGn : In std_logic_vector (3 downto 0);
-                       CONF_WR_3CH : In std_logic;
-                       PCI_CLOCK : In std_logic;
-                       PCI_RSTn : In std_logic;
-                       CONF_DATA_3CH : Out std_logic_vector (31 downto 0) );
-        end component;
-
         component CONFIG_10H
                 Port ( AD_REG : In std_logic_vector (31 downto 0);
                        CBE_REGn : In std_logic_vector (3 downto 0);
@@ -86,11 +84,6 @@ architecture SCHEMATIC of CONFIG_SPACE_HEADER is
                        CONF_DATA_10H : Out std_logic_vector (31 downto 0) );
         end component;
 
-        component CONFIG_08H
-                Port ( REVISION_ID : In std_logic_vector (7 downto 0);
-                       CONF_DATA_08H : Out std_logic_vector (31 downto 0) );
-        end component;
-
         component CONFIG_04H
                 Port ( AD_REG : In std_logic_vector (31 downto 0);
                        CBE_REGn : In std_logic_vector (3 downto 0);
@@ -104,10 +97,21 @@ architecture SCHEMATIC of CONFIG_SPACE_HEADER is
 
 begin
         CONF_DATA_00H <= CONF_DEVICE_ID & VENDOR_ID;
+        CONF_DATA_08H <= CONF_CLASS_CODE & REVISION_ID;
 
         CONF_DATA_04H <= CONF_DATA_04H_DUMMY;
         CONF_DATA_10H <= CONF_DATA_10H_DUMMY;
 
+        CONF_MAX_LAT <= X"00";
+        CONF_MIN_GNT <= X"00";
+        -- CONF_INT_PIN <= X"00"; -- Interrupt -
+        CONF_INT_PIN <= X"01"; -- Interrupt A
+        -- CONF_INT_PIN <= X"02"; -- Interrupt B
+        -- CONF_INT_PIN <= X"03"; -- Interrupt C
+        -- CONF_INT_PIN <= X"04"; -- Interrupt D
+        -- CONF_INT_PIN <= X"05 - FF0"; -- Reserviert
+        CONF_DATA_3CH <= CONF_MAX_LAT & CONF_MIN_GNT & CONF_INT_PIN & CONF_INT_LINE;
+
         I10 : CONFIG_MUX_0
         Port Map ( CONF_DATA_00H(31 downto 0)=>CONF_DATA_00H(31 downto 0),
         CONF_DATA_04H(31 downto 0)=>CONF_DATA_04H_DUMMY(31 downto 0),
@@ -125,21 +129,12 @@ begin
                    CF_WR_COM=>CF_WR_COM, IRDY_REGn=>IRDY_REGn,
                    TRDYn=>TRDYn, CONF_WR_04H=>CONF_WR_04H,
                    CONF_WR_10H=>CONF_WR_10H, CONF_WR_3CH=>CONF_WR_3CH );
-        I6 : CONFIG_3CH
-        Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
-        CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
-        CONF_WR_3CH=>CONF_WR_3CH, PCI_CLOCK=>PCI_CLOCK,
-        PCI_RSTn=>PCI_RSTn,
-        CONF_DATA_3CH(31 downto 0)=>CONF_DATA_3CH(31 downto 0) );
         I5 : CONFIG_10H
         Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
         CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
         CONF_WR_10H=>CONF_WR_10H, PCI_CLOCK=>PCI_CLOCK,
         PCI_RSTn=>PCI_RSTn,
         CONF_DATA_10H(31 downto 0)=>CONF_DATA_10H_DUMMY(31 downto 0) );
-        I4 : CONFIG_08H
-        Port Map ( REVISION_ID(7 downto 0)=>REVISION_ID(7 downto 0),
-        CONF_DATA_08H(31 downto 0)=>CONF_DATA_08H(31 downto 0) );
         I2 : CONFIG_04H
         Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
         CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
@@ -147,4 +142,15 @@ begin
         PCI_RSTn=>PCI_RSTn, PERR=>PERR, SERR=>SERR,
         CONF_DATA_04H(31 downto 0)=>CONF_DATA_04H_DUMMY(31 downto 0) );
 
+        process (PCI_CLOCK,PCI_RSTn)
+        begin
+                if PCI_RSTn = '0' then
+                        CONF_INT_LINE <= (others => '0');
+
+                elsif (rising_edge(PCI_CLOCK)) then
+                        if CONF_WR_3CH = '1'and CBE_REGn(0) = '0' then
+                                CONF_INT_LINE(7 downto 0) <= AD_REG(7 downto 0);
+                        end if;
+                end if;
+        end process;
 end SCHEMATIC;
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