| Line 1... |
Line 1... |
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
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--
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--
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-- The G port controller.
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-- The G port controller.
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--
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--
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-- $Id: t400_io_g.vhd,v 1.2 2006-05-07 02:24:16 arniml Exp $
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-- $Id: t400_io_g.vhd,v 1.3 2006-06-05 20:32:34 arniml Exp $
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--
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--
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-- Copyright (c) 2006 Arnim Laeuger (arniml@opencores.org)
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-- Copyright (c) 2006 Arnim Laeuger (arniml@opencores.org)
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--
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--
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-- All rights reserved
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-- All rights reserved
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--
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--
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| Line 53... |
Line 53... |
|
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generic (
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generic (
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opt_out_type_3_g : integer := t400_opt_out_type_std_c;
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opt_out_type_3_g : integer := t400_opt_out_type_std_c;
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opt_out_type_2_g : integer := t400_opt_out_type_std_c;
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opt_out_type_2_g : integer := t400_opt_out_type_std_c;
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opt_out_type_1_g : integer := t400_opt_out_type_std_c;
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opt_out_type_1_g : integer := t400_opt_out_type_std_c;
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opt_out_type_0_g : integer := t400_opt_out_type_std_c
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opt_out_type_0_g : integer := t400_opt_out_type_std_c;
|
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opt_microbus_g : integer := t400_opt_no_microbus_c
|
);
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);
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port (
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port (
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-- System Interface -------------------------------------------------------
|
-- System Interface -------------------------------------------------------
|
ck_i : in std_logic;
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ck_i : in std_logic;
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ck_en_i : in boolean;
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ck_en_i : in boolean;
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| Line 65... |
Line 66... |
res_i : in boolean;
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res_i : in boolean;
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-- Control Interface ------------------------------------------------------
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-- Control Interface ------------------------------------------------------
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op_i : in io_g_op_t;
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op_i : in io_g_op_t;
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m_i : in dw_t;
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m_i : in dw_t;
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dec_data_i : in dec_data_t;
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dec_data_i : in dec_data_t;
|
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cs_n_i : in std_logic;
|
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wr_n_i : in std_logic;
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-- Port G Interface -------------------------------------------------------
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-- Port G Interface -------------------------------------------------------
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io_g_o : out dw_t;
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io_g_o : out dw_t;
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io_g_en_o : out dw_t
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io_g_en_o : out dw_t
|
);
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);
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| Line 110... |
Line 113... |
when IOG_LOAD_DEC =>
|
when IOG_LOAD_DEC =>
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g_q <= dec_data_i(dw_range_t);
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g_q <= dec_data_i(dw_range_t);
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when others =>
|
when others =>
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null;
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null;
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end case;
|
end case;
|
|
|
end if;
|
end if;
|
|
|
|
-- reset G(0) in MICROBUS operation upon write
|
|
if opt_microbus_g = t400_opt_microbus_c and
|
|
cs_n_i = '0' and wr_n_i = '0' then
|
|
g_q(0) <= '0';
|
|
end if;
|
end if;
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end if;
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end process g_reg;
|
end process g_reg;
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--
|
--
|
-----------------------------------------------------------------------------
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-----------------------------------------------------------------------------
|
|
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| Line 162... |
Line 171... |
|
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
-- File History:
|
-- File History:
|
--
|
--
|
-- $Log: not supported by cvs2svn $
|
-- $Log: not supported by cvs2svn $
|
|
-- Revision 1.2 2006/05/07 02:24:16 arniml
|
|
-- fix sensitivity list
|
|
--
|
-- Revision 1.1.1.1 2006/05/06 01:56:44 arniml
|
-- Revision 1.1.1.1 2006/05/06 01:56:44 arniml
|
-- import from local CVS repository, LOC_CVS_0_1
|
-- import from local CVS repository, LOC_CVS_0_1
|
--
|
--
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
|
|
No newline at end of file
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No newline at end of file
|
