Subversion Repositories sdhc-sc-core

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-- file: ../../unitSdTop/src/SdTop-Rtl-ea.vhdl

-- author: Rainer Kastl

--

-- Top level entity for a SD Controller

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library ieee;

use ieee.std_logic_1164.all;

use ieee.numeric_std.all;

use work.Global.all;

use work.Sd.all;

entity SdTop is

        port (

                iClk : in std_ulogic;

                inResetAsync : in std_ulogic;

                -- SD Card

                ioCmd : inout std_logic; -- Cmd line to and from card

                oClk : out std_ulogic;

                ioData : inout std_logic_vector(3 downto 0)

        );

end entity SdTop;

architecture Rtl of SdTop is

        signal ToController : aSdCmdToController;

        signal FromController : aSdCmdFromController;

begin

        ioData <= "ZZZZ";

        oClk <= iClk;

        SdController_inst: entity work.SdController(Rtl)

        port map (iClk => iClk,

                          inResetAsync => inResetAsync,

                          iSdCmd => ToController,

                          oSdCmd => FromController);

        SdCmd_inst: entity work.SdCmd(Rtl)

        port map (iClk => iClk,

                          inResetAsync => inResetAsync,

                          iFromController => FromController,

                          oToController => ToController,

                          ioCmd => ioCmd);

end architecture Rtl;