re-add small slow control buffer in GbE (4k instead of 64k)

diff --git a/gbe_trb/base/gbe_wrapper.vhd b/gbe_trb/base/gbe_wrapper.vhd
index 2f50be9e3878c57894626128620bfc3866683564..92813372666b90e993ba755a632c158d70a9a4a4 100644 (file)
--- a/gbe_trb/base/gbe_wrapper.vhd
+++ b/gbe_trb/base/gbe_wrapper.vhd
@@ -26,6 +26,7 @@ entity gbe_wrapper is
     UP_DOWN_LIMIT             : integer range 0 to 16777215  := 0;
     FIXED_DELAY               : integer range 0 to 16777215  := 16777215;
     NUMBER_OF_GBE_LINKS       : integer range 1 to 4         := 4;
+    SLOWCTRL_BUFFER_SIZE      : integer range 1 to 2         := 2;
     LINKS_ACTIVE              : std_logic_vector(3 downto 0) := "1111";
     LINK_HAS_PING             : std_logic_vector(3 downto 0) := "1111";
     LINK_HAS_ARP              : std_logic_vector(3 downto 0) := "1111";
@@ -291,7 +292,7 @@ begin
                 INCLUDE_FWD               => LINK_HAS_FWD(3),
                 FRAME_BUFFER_SIZE         => 1,
                 READOUT_BUFFER_SIZE       => 4,
-                SLOWCTRL_BUFFER_SIZE      => 2,
+                SLOWCTRL_BUFFER_SIZE      => SLOWCTRL_BUFFER_SIZE,
                 FIXED_SIZE_MODE           => FIXED_SIZE_MODE,
                 INCREMENTAL_MODE          => INCREMENTAL_MODE,
                 FIXED_SIZE                => FIXED_SIZE,
@@ -442,7 +443,7 @@ begin
                 INCLUDE_FWD               => LINK_HAS_FWD(2),
                 FRAME_BUFFER_SIZE         => 1,
                 READOUT_BUFFER_SIZE       => 4,
-                SLOWCTRL_BUFFER_SIZE      => 2,
+                SLOWCTRL_BUFFER_SIZE      => SLOWCTRL_BUFFER_SIZE,
                 FIXED_SIZE_MODE           => FIXED_SIZE_MODE,
                 INCREMENTAL_MODE          => INCREMENTAL_MODE,
                 FIXED_SIZE                => FIXED_SIZE,
@@ -593,7 +594,7 @@ FWD_FULL_OUT => FWD_FULL_OUT(2),
                 INCLUDE_FWD               => LINK_HAS_FWD(1),
                 FRAME_BUFFER_SIZE         => 1,
                 READOUT_BUFFER_SIZE       => 4,
-                SLOWCTRL_BUFFER_SIZE      => 2,
+                SLOWCTRL_BUFFER_SIZE      => SLOWCTRL_BUFFER_SIZE,
                 FIXED_SIZE_MODE           => FIXED_SIZE_MODE,
                 INCREMENTAL_MODE          => INCREMENTAL_MODE,
                 FIXED_SIZE                => FIXED_SIZE,
@@ -745,7 +746,7 @@ FWD_FULL_OUT => FWD_FULL_OUT(1),
                 INCLUDE_FWD               => LINK_HAS_FWD(0),
                 FRAME_BUFFER_SIZE         => 1,
                 READOUT_BUFFER_SIZE       => 4,
-                SLOWCTRL_BUFFER_SIZE      => 2,
+                SLOWCTRL_BUFFER_SIZE      => SLOWCTRL_BUFFER_SIZE,
                 FIXED_SIZE_MODE           => FIXED_SIZE_MODE,
                 INCREMENTAL_MODE          => INCREMENTAL_MODE,
                 FIXED_SIZE                => FIXED_SIZE,

diff --git a/gbe_trb_ecp5/base/gbe_wrapper.vhd b/gbe_trb_ecp5/base/gbe_wrapper.vhd
index 5b45ed3adf5753397f59e28b0cc94ec1b91165bb..9f7031bcf101f1eec6b828966a9aaafc79c7970e 100644 (file)
--- a/gbe_trb_ecp5/base/gbe_wrapper.vhd
+++ b/gbe_trb_ecp5/base/gbe_wrapper.vhd
@@ -25,6 +25,7 @@ entity gbe_wrapper is
     UP_DOWN_MODE              : integer range 0 to 1         := 0; -- only for debugging
     UP_DOWN_LIMIT             : integer range 0 to 16777215  := 0; -- only for debugging
     FIXED_DELAY               : integer range 0 to 16777215  := 16777215; -- only for debugging
+    SLOWCTRL_BUFFER_SIZE      : integer range 1 to 2         := 2;
     NUMBER_OF_GBE_LINKS       : integer range 1 to 4         := 1;  --can't be changed
     LINKS_ACTIVE              : std_logic_vector(3 downto 0) := "1111";
     LINK_HAS_PING             : std_logic_vector(3 downto 0) := "1111";
@@ -325,7 +326,7 @@ begin
             INCLUDE_FWD               => LINK_HAS_FWD(0),
             FRAME_BUFFER_SIZE         => 1,
             READOUT_BUFFER_SIZE       => 4,
-            SLOWCTRL_BUFFER_SIZE      => 2,
+            SLOWCTRL_BUFFER_SIZE      => SLOWCTRL_BUFFER_SIZE,
             FIXED_SIZE_MODE           => FIXED_SIZE_MODE,
             INCREMENTAL_MODE          => INCREMENTAL_MODE,
             FIXED_SIZE                => FIXED_SIZE,