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constant CMD_NOP : std_logic_vector(2 downto 0) := "111";
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constant CMD_NOP : std_logic_vector(2 downto 0) := "111";
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constant CMD_PRECHARGE : std_logic_vector(2 downto 0) := "010";
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constant CMD_PRECHARGE : std_logic_vector(2 downto 0) := "010";
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constant CMD_AUTO_REFR : std_logic_vector(2 downto 0) := "100";
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constant CMD_AUTO_REFR : std_logic_vector(2 downto 0) := "100";
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constant CMD_LOAD_MR : std_logic_vector(2 downto 0) := "000";
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constant CMD_LOAD_MR : std_logic_vector(2 downto 0) := "000";
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constant CLKS_200US : integer := 21000; -- well, it's supposed to be 20000, but i'm fudging with 21000
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constant CLKS_200US : integer := 30000; -- well, it's supposed to be 20000, but i'm fudging
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type INIT_STATES is ( STATE_START, STATE_WAIT200US, STATE_CLKE, STATE_PRECHARGE_ALL0, STATE_WAIT_PRECHARGE_ALL0, STATE_LOAD_MRE,
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type INIT_STATES is ( STATE_START, STATE_WAIT200US, STATE_CLKE, STATE_PRECHARGE_ALL0, STATE_WAIT_PRECHARGE_ALL0, STATE_LOAD_MRE,
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STATE_WAIT_MRE, STATE_LOAD_MRN, STATE_WAIT_MRN, STATE_PRECHARGE_ALL1, STATE_WAIT_PRECHARGE_ALL1, STATE_AUTO_REFRESH0,
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STATE_WAIT_MRE, STATE_LOAD_MRN, STATE_WAIT_MRN, STATE_PRECHARGE_ALL1, STATE_WAIT_PRECHARGE_ALL1, STATE_AUTO_REFRESH0,
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STATE_WAIT_AR_CTR0, STATE_WAIT_AUTO_REFRESH0, STATE_AUTO_REFRESH1, STATE_WAIT_AR_CTR1, STATE_WAIT_AUTO_REFRESH1,
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STATE_WAIT_AR_CTR0, STATE_WAIT_AUTO_REFRESH0, STATE_AUTO_REFRESH1, STATE_WAIT_AR_CTR1, STATE_WAIT_AUTO_REFRESH1,
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STATE_WAIT_200_CLOCKS, STATE_DONE );
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STATE_WAIT_200_CLOCKS, STATE_DONE );
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