From: Jan Michel <j.michel@gsi.de>
Date: Thu, 27 Feb 2014 18:30:50 +0000 (+0100)
Subject: moved PLL into ADC block
X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=8de6979c8ca2fa3c445059caf0f9c32fde469cb9;p=trb3.git

moved PLL into ADC block
---

diff --git a/base/code/adc_ad9219.vhd b/base/code/adc_ad9219.vhd
index 19a65cd..53ebfa0 100644
--- a/base/code/adc_ad9219.vhd
+++ b/base/code/adc_ad9219.vhd
@@ -15,6 +15,7 @@ entity adc_ad9219 is
     );
   port(
     CLK        : in std_logic;
+    CLK_ADCRAW : in std_logic;
     CLK_ADCREF : in std_logic;
     CLK_ADCDAT : in std_logic;
     RESTART_IN : in std_logic;
@@ -34,18 +35,43 @@ end entity;
 
 architecture adc_ad9219_arch of  adc_ad9219 is
 
+type s_t is array(0 to 11) of integer range 0 to 1;
+constant fpgaside : s_t := (0,0,0,0,0,0,1,0,1,1,1,1);
+
 type q_t is array(0 to 11) of std_logic_vector(19 downto 0);
 signal q : q_t;
 signal tmp : q_t;
 
-signal clk_data_left   : std_logic;
-signal clk_data_right  : std_logic;
-signal restart_i   : std_logic;
+signal clk_adcfast_i : std_logic_vector(1 downto 0); --200MHz
+signal clk_data      : std_logic_vector(1 downto 0); --100MHz
+signal restart_i  : std_logic_vector(1 downto 0);
 
 begin
 
-  ADCCLK_OUT <= CLK_ADCREF;
-  restart_i <= RESTART_IN when rising_edge(clk_data_left);
+  THE_ADC_REF : entity work.pll_in200_out40
+    port map(
+      CLK   => CLK_ADCRAW,
+      CLKOP => ADCCLK_OUT,
+      LOCK  => open
+      );
+
+  THE_ADC_PLL_0 : entity work.pll_adc10bit
+    port map(
+      CLK   => CLK_ADCRAW,
+      CLKOP => clk_adcfast_i(0),
+      LOCK  => open
+      );
+      
+  THE_ADC_PLL_1 : entity work.pll_adc10bit
+    port map(
+      CLK   => CLK_ADCRAW,
+      CLKOP => clk_adcfast_i(1),
+      LOCK  => open
+      );
+
+ 
+  restart_i(0) <= RESTART_IN when rising_edge(clk_data(0));
+  restart_i(1) <= RESTART_IN when rising_edge(clk_data(1));
 
 THE_LEFT : entity work.dqsinput_7x5
     port map(
@@ -55,54 +81,54 @@ THE_LEFT : entity work.dqsinput_7x5
         clk_3  => ADC_DCO(4),
         clk_4  => ADC_DCO(5),
         clk_5  => ADC_DCO(6),
-        clk_6  => ADC_DCO(7),
-        clkdiv_reset => restart_i,
-        eclk   => CLK_ADCREF, 
-        reset_0 => restart_i,
-        reset_1 => restart_i, 
-        reset_2 => restart_i,
-        reset_3 => restart_i,
-        reset_4 => restart_i,
-        reset_5 => restart_i,
-        reset_6 => restart_i,
-        sclk    => clk_data_left,
+        clk_6  => ADC_DCO(8),
+        clkdiv_reset => restart_i(0),
+        eclk   => clk_adcfast_i(0), 
+        reset_0 => restart_i(0),
+        reset_1 => restart_i(0), 
+        reset_2 => restart_i(0),
+        reset_3 => restart_i(0),
+        reset_4 => restart_i(0),
+        reset_5 => restart_i(0),
+        reset_6 => restart_i(0),
+        sclk    => clk_data(0),
         datain_0 => ADC_DATA( 4 downto  0),
         datain_1 => ADC_DATA( 9 downto  5),
         datain_2 => ADC_DATA(14 downto 10),
         datain_3 => ADC_DATA(19 downto 15),
         datain_4 => ADC_DATA(24 downto 20),
         datain_5 => ADC_DATA(29 downto 25),
-        datain_6 => ADC_DATA(34 downto 30),
+        datain_6 => ADC_DATA(39 downto 35),
         q_0      => q(0),
         q_1      => q(1),
         q_2      => q(2),
         q_3      => q(3),
         q_4      => q(4),
         q_5      => q(5),
-        q_6      => q(6)
+        q_6      => q(7)
         );
   
 THE_RIGHT : entity work.dqsinput_5x5
     port map(
-        clk_0  => ADC_DCO(8),
+        clk_0  => ADC_DCO(7),
         clk_1  => ADC_DCO(9), 
         clk_2  => ADC_DCO(10), 
         clk_3  => ADC_DCO(11),
         clk_4  => ADC_DCO(12),
-        clkdiv_reset => restart_i,
-        eclk   => CLK_ADCREF, 
-        reset_0 => restart_i,
-        reset_1 => restart_i, 
-        reset_2 => restart_i,
-        reset_3 => restart_i,
-        reset_4 => restart_i,
-        sclk    => clk_data_right,
-        datain_0 => ADC_DATA(39 downto 35),
+        clkdiv_reset => restart_i(1),
+        eclk   => clk_adcfast_i(1), 
+        reset_0 => restart_i(1),
+        reset_1 => restart_i(1), 
+        reset_2 => restart_i(1),
+        reset_3 => restart_i(1),
+        reset_4 => restart_i(1),
+        sclk    => clk_data(1),
+        datain_0 => ADC_DATA(34 downto 30),
         datain_1 => ADC_DATA(44 downto 40),
         datain_2 => ADC_DATA(49 downto 45),
         datain_3 => ADC_DATA(54 downto 50),
         datain_4 => ADC_DATA(59 downto 55),
-        q_0      => q(7),
+        q_0      => q(6),
         q_1      => q(8),
         q_2      => q(9),
         q_3      => q(10),
@@ -110,39 +136,23 @@ THE_RIGHT : entity work.dqsinput_5x5
         );
         
         
-gen_chips_left : for i in 0 to DEVICES_LEFT-1 generate
+gen_chips_left : for i in 0 to DEVICES_LEFT+DEVICES_RIGHT-1 generate
   THE_FIFO : fifo_cdt_200
     port map(
       Data(19 downto 0)  => q(i),
-      WrClock  => clk_data_left,
+      WrClock  => clk_data(fpgaside(i)),
       RdClock  => CLK,
       WrEn     => '1',
       RdEn     => '1',
       Reset    => '0',
-      RPReset  => restart_i,
-      Q        => open,
+      RPReset  => restart_i(fpgaside(i)),
+      Q(19 downto 0)        => tmp(i),
       Empty    => open,
       Full     => open
       );
   DEBUG(i) <= or_all(tmp(i));    
 end generate;    
 
-gen_chips_right : for i in DEVICES_LEFT to DEVICES_LEFT+DEVICES_RIGHT-1 generate
-  THE_FIFO : fifo_cdt_200
-    port map(
-      Data(19 downto 0)  => q(i),
-      WrClock  => clk_data_right,
-      RdClock  => CLK,
-      WrEn     => '1',
-      RdEn     => '1',
-      Reset    => '0',
-      RPReset  => restart_i,
-      Q(19 downto 0)  => tmp(i),
-      Empty    => open,
-      Full     => open
-      );
-  DEBUG(i) <= or_all(tmp(i));    
-end generate;    
 
 
 end architecture;
\ No newline at end of file