[broken]Move code

[c4m-jtag.git] / test / cocotb / dual_parallel / dual_parallel.vhdl

diff --git a/test/cocotb/dual_parallel/dual_parallel.vhdl b/test/cocotb/dual_parallel/dual_parallel.vhdl
new file mode 100644 (file)
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--- /dev/null
+++ b/test/cocotb/dual_parallel/dual_parallel.vhdl
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+-- Top cell with two instantiations of the tap_controller with parallel scan chains
+
+library ieee;
+use ieee.std_logic_1164.ALL;
+
+use work.c4m_jtag.ALL;
+
+entity dual_parallel is
+  port (
+    -- Instance 1
+    -- ==========
+    -- JTAG
+    I1_TCK:     in std_logic;
+    I1_TMS:     in std_logic;
+    I1_TDI:     in std_logic;
+    I1_TDO:     out std_logic;
+    I1_TRST_N:  in std_logic;
+
+    -- Instance 2
+    -- ==========
+    -- JTAG
+    I2_TCK:     in std_logic;
+    I2_TMS:     in std_logic;
+    I2_TDI:     in std_logic;
+    I2_TDO:     out std_logic;
+    I2_TRST_N:  in std_logic
+  );
+end dual_parallel;
+
+architecture rtl of dual_parallel is
+  signal I1_PAD_IN:     std_logic;
+  signal I1_PAD_EN:     std_logic;
+  signal I1_PAD_OUT:    std_logic;
+  signal I2_PAD_IN:     std_logic;
+  signal I2_PAD_EN:     std_logic;
+  signal I2_PAD_OUT:    std_logic;
+begin
+  CTRL1: c4m_jtag_tap_controller
+    port map (
+      TCK => I1_TCK,
+      TMS => I1_TMS,
+      TDI => I1_TDI,
+      TDO => I1_TDO,
+      TRST_N => I1_TRST_N,
+      RESET => open,
+      DRCAPTURE => open,
+      DRSHIFT => open,
+      DRUPDATE => open,
+      IR => open,
+      CORE_IN => open,
+      CORE_EN => "1",
+      CORE_OUT => "1",
+      PAD_IN(0) => I1_PAD_IN,
+      PAD_EN(0) => I1_PAD_EN,
+      PAD_OUT(0) => I1_PAD_OUT
+    );
+
+  CTRL2: c4m_jtag_tap_controller
+    port map (
+      TCK => I2_TCK,
+      TMS => I2_TMS,
+      TDI => I2_TDI,
+      TDO => I2_TDO,
+      TRST_N => I2_TRST_N,
+      RESET => open,
+      DRCAPTURE => open,
+      DRSHIFT => open,
+      DRUPDATE => open,
+      IR => open,
+      CORE_IN => open,
+      CORE_EN => "1",
+      CORE_OUT => "0",
+      PAD_IN(0) => I2_PAD_IN,
+      PAD_EN(0) => I2_PAD_EN,
+      PAD_OUT(0) => I2_PAD_OUT
+    );
+
+  I1_PAD_IN <= I2_PAD_OUT when I2_PAD_EN = '1' else
+               'Z';
+  I2_PAD_IN <= I1_PAD_OUT when I1_PAD_EN = '1' else
+               'Z';
+end rtl;