[broken]Move code

[c4m-jtag.git] / rtl / vhdl / c4m_jtag_ioblock.vhdl

diff --git a/rtl/vhdl/c4m_jtag_ioblock.vhdl b/rtl/vhdl/c4m_jtag_ioblock.vhdl
deleted file mode 100644 (file)
index c70be6f..0000000
--- a/rtl/vhdl/c4m_jtag_ioblock.vhdl
+++ /dev/null
@@ -1,91 +0,0 @@
--- The block of io cells with JTAG boundary scan support
-
-library ieee;
-use ieee.std_logic_1164.ALL;
-
-use work.c4m_jtag.ALL;
-
-entity c4m_jtag_ioblock is
-  generic (
-    IR_WIDTH:   integer := 2;
-    IOS:        integer := 1
-  );
-  port (
-    -- needed TAP signals
-    TCK:        in std_logic;
-    TDI:        in std_logic;
-    TDO:        out std_logic;
-    TDO_EN:     out std_logic := '0';
-
-    -- JTAG state
-    STATE:      in TAPSTATE_TYPE;
-    NEXT_STATE: in TAPSTATE_TYPE;
-    DRSTATE:    in std_logic;
-
-    -- The instruction
-    IR:         in std_logic_vector(IR_WIDTH-1 downto 0);
-
-    -- The I/O access ports
-    CORE_OUT:   in std_logic_vector(IOS-1 downto 0);
-    CORE_IN:    out std_logic_vector(IOS-1 downto 0);
-    CORE_EN:    in std_logic_vector(IOS-1 downto 0);
-
-    -- The pad connections
-    PAD_OUT:    out std_logic_vector(IOS-1 downto 0);
-    PAD_IN:     in std_logic_vector(IOS-1 downto 0);
-    PAD_EN:     out std_logic_vector(IOS-1 downto 0)
-  );
-end c4m_jtag_ioblock;
-
-architecture rtl of c4m_jtag_ioblock is
-  signal IOMODE:        SRIOMODE_TYPE;
-  signal SAMPLEMODE:    SRSAMPLEMODE_TYPE;
-  signal ISSAMPLECMD:   boolean;
-  
-  signal BDSR_IN:       std_logic_vector(IOS-1 downto 0);
-  signal BDSR_OUT:      std_logic_vector(IOS-1 downto 0);
-  
-  constant CMD_SAMPLEPRELOAD: std_logic_vector(IR_WIDTH-1 downto 0) := c4m_jtag_cmd_samplepreload(IR_WIDTH);
-  constant CMD_EXTEST:  std_logic_vector(IR_WIDTH-1 downto 0) := c4m_jtag_cmd_extest(IR_WIDTH);
-begin
-  -- JTAG baundary scan IO cells
-  IOGEN: for i in 0 to IOS-1 generate
-  begin
-    IOCELL: c4m_jtag_iocell
-      port map (
-        CORE_IN => CORE_IN(i),
-        CORE_OUT => CORE_OUT(i),
-        CORE_EN => CORE_EN(i),
-        PAD_IN => PAD_IN(i),
-        PAD_OUT => PAD_OUT(i),
-        PAD_EN => PAD_EN(i),
-        BDSR_IN => BDSR_IN(i),
-        BDSR_OUT => BDSR_OUT(i),
-        IOMODE => IOMODE,
-        SAMPLEMODE => SAMPLEMODE,
-        TCK => TCK
-      );
-  end generate;
-  BDSRCONN: for i in 0 to IOS-2 generate
-  begin
-    BDSR_IN(i) <= BDSR_OUT(i+1);
-  end generate;
-  BDSR_IN(IOS-1) <= TDI;
-
-  -- Set IOMODE
-  -- Currently SR_2Core or SR_Z are not used
-  IOMODE <= SR_2Pad when IR = CMD_EXTEST else
-            SR_Through;
-
-  -- Set SAMPLEMODE
-  ISSAMPLECMD <= (IR = CMD_SAMPLEPRELOAD or IR = CMD_EXTEST) and DRSTATE = '1';
-  SAMPLEMODE <= SR_Sample when ISSAMPLECMD and STATE = Capture else
-                SR_Update when ISSAMPLECMD and STATE = Update else
-                SR_Shift when ISSAMPLECMD and STATE = Shift else
-                SR_Normal;
-
-  TDO <= BDSR_OUT(0) when ISSAMPLECMD and STATE = Shift else
-         '0';
-  TDO_EN <= '1' when ISSAMPLECMD and STATE = Shift else
-            '0';
-end rtl;