add an uptime timer to ecp5 media interfaces

diff --git a/media_interfaces/med_ecp5_sfp_sync.vhd b/media_interfaces/med_ecp5_sfp_sync.vhd
index 19ccba7a3c67ad6082f68500584d96da11a889ad..8c271dd4ed578b7dd3ee2d439b6825ee74be4b81 100644 (file)
--- a/media_interfaces/med_ecp5_sfp_sync.vhd
+++ b/media_interfaces/med_ecp5_sfp_sync.vhd
@@ -110,6 +110,7 @@ attribute nopad : string;
 attribute nopad of  hdinp, hdinn, hdoutp, hdoutn : signal is "true";
 
 signal stat_med           : std_logic_vector(31 downto 0);
+signal timer              : unsigned(31 downto 0);
 
 begin
 
@@ -350,7 +351,18 @@ stat_med(6) <= rx_los_low;
 stat_med(7) <= rx_ready;
 stat_med(8) <= tx_ready;
 stat_med(9) <= lsm_status;
-stat_med(31 downto 10) <= (others => '0');
+stat_med(15 downto 10) <= (others => '0');
+stat_med(31 downto 16) <= timer(26 downto 11);
+  
+  
+  PROC_TIMER : process begin
+    wait until rising_edge(SYSCLK);
+    if stat_fsm_reset_i(8) = '0' or stat_fsm_reset_i(9) = '0' then
+      timer <= (others => '0');
+    else 
+      timer <= timer + 1;
+    end if;
+  end process;
  
 end architecture;
 

diff --git a/media_interfaces/med_ecp5_sfp_sync_2.vhd b/media_interfaces/med_ecp5_sfp_sync_2.vhd
index 08e4038c64ede70004e1ccf6a5842d899d83ba96..57c09d7000387234e528a9f384f9145b4c6bbb56 100644 (file)
--- a/media_interfaces/med_ecp5_sfp_sync_2.vhd
+++ b/media_interfaces/med_ecp5_sfp_sync_2.vhd
@@ -110,6 +110,9 @@ attribute nopad of  hdinp, hdinn, hdoutp, hdoutn : signal is "true";
 
 signal stat_med : std_logic_vector(63 downto 0);
 
+type timer_t is array(0 to 1) of unsigned(31 downto 0);
+signal timer : timer_t;
+
 begin
 
 reset_n <= not RESET;
@@ -388,7 +391,19 @@ THE_MED_CONTROL : entity work.med_sync_control
   stat_med(i*32+7) <= rx_ready(i);
   stat_med(i*32+8) <= tx_ready(i);
   stat_med(i*32+9) <= lsm_status(i);
-  stat_med(i*32+31 downto i*32+10) <= (others => '0');
+  stat_med(i*32+15 downto i*32+10) <= (others => '0');
+  stat_med(i*32+31 downto i*32+16) <= timer(i)(26 downto 11);
+  
+  
+  PROC_TIMER : process begin
+    wait until rising_edge(SYSCLK);
+    if stat_fsm_reset_i(i*32+8) = '1' or stat_fsm_reset_i(i*32+9) = '1' then
+      timer(i) <= (others => '0');
+    else 
+      timer(i) <= timer(i) + 1;
+    end if;
+  end process;
+  
 end generate;