터치스크린 사용하려면, CPLD를 설정해줘야 하나요??

CPLD파일을 열어보니까....



entity decoder is
    Port (
     
 PWR_NRST    : in  std_logic;
 EXT_NRST    : in  std_logic;
 PXA_NRST    : out std_logic;

 nOE     : in std_logic;
 nWE     : in std_logic;
 RDnWR     : in std_logic;
 
     nCS     : in std_logic_vector( 5 downto 0 );
     A23_22     : in std_logic_vector( 1 downto 0 );
     A9_8     : in std_logic_vector( 1 downto 0 );

 OE_DB     : out std_logic;
 DIR_RnW     : out std_logic;
 DIR_WnR     : out std_logic;
  
 OE_ETH     : out std_logic;
 WE_ETH     : out std_logic;
 
 CS_BOOT     : out std_logic;
 CS_TOUCH    : out std_logic;

 OE_NB       : out  std_logic; 
 RE_NAND     : out std_logic;
 WE_NAND     : out std_logic;
 CLE_NAND    : out std_logic;
 ALE_NAND    : out std_logic;
 CE_NAND     : out std_logic;
 
 LCD_ON     : out std_logic;
 SDCLK2      : in std_logic;
     REV     : out std_logic_vector( 2 downto 0 )
 
    );
end decoder;

architecture arch_decoder of decoder is
    signal cs8900_sel : std_logic;
    signal nand_sel : std_logic;
begin

    --REV  추후 서브보드의 핀으로 확장 예정이다.
    REV(0) <= 'Z';
    REV(1) <= 'Z'; 
    REV(2) <= 'Z';

   
    -- reset
    PXA_NRST <= PWR_NRST and EXT_NRST;

    -- OE_DB
    OE_DB <= nCS(0) and nCS(1) and nCS(2) and nCS(3) and nCS(4) and nCS(5);
   
    -- DIR
    DIR_RnW <= RDnWR;
    DIR_WnR <= not RDnWR;


    -------------
    -- nCS0 영역
    -------------
   
    -- CS_BOOT
    CS_BOOT <= '0' when nCS(0) = '0' and A23_22 = "00" else '1';

    -- CS8900
    cs8900_sel <= '0' when nCS(0) = '0' and A23_22 = "01" else '1';
    OE_ETH     <= nOE when cs8900_sel = '0' else '1';
    WE_ETH     <= nWE when cs8900_sel = '0' else '1';

    -- LCD_ON  확장보드를 연결했을때만 가능하다.
    process( nCS(0), A23_22, A9_8 )
    begin
        if    nCS(0) = '0' and A23_22 = "10" and A9_8 = "00" then LCD_ON <= '1';     -- back-light ON
        elsif nCS(0) = '0' and A23_22 = "10" and A9_8 = "01" then LCD_ON <= '0';     -- back-light OFF
        end if; 
    end process;


    -------------
    -- nCS1 영역
    -------------

    -- CS_TOUCH
    CS_TOUCH <= '0' when nCS(1) = '0' and A23_22 = "01" else '1';
     
    -- NAND Flash
    nand_sel <= '0' when nCS(1) = '0' and A23_22 = "00" else '1';
    OE_NB    <= '0' when nand_sel = '0' else '1';
    RE_NAND  <= nOE when nand_sel = '0' else '1';
    WE_NAND  <= nWE when nand_sel = '0' else '1';
    CLE_NAND <= '1' when nand_sel = '0' and A9_8 = "01" else '0';
    ALE_NAND <= '1' when nand_sel = '0' and A9_8 = "10" else '0';

    process( nand_sel, A9_8 )
    begin
        if    nand_sel = '0' and A9_8 = "00" then CE_NAND  <= '0';
        elsif nand_sel = '0' and A9_8 = "11" then CE_NAND  <= '1';
        end if;
    end process;




이렇게 되어 있던데요...

decoder.vhd 파일에서 세팅한게 다 끝인가요??

터치스크린이나 NAND 관련, 메모리맵은 어디서 잡나요??

CPLD를 안구워주면, 동작을 안하나요??

고수님들의 조언 부탁드립니다...

이 게시물을...