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;