diff options
Diffstat (limited to 'hardware/DM9000A/hdl/DM9000A_IF.v')
| -rw-r--r-- | hardware/DM9000A/hdl/DM9000A_IF.v | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/hardware/DM9000A/hdl/DM9000A_IF.v b/hardware/DM9000A/hdl/DM9000A_IF.v deleted file mode 100644 index 3fd22e0..0000000 --- a/hardware/DM9000A/hdl/DM9000A_IF.v +++ /dev/null @@ -1,85 +0,0 @@ -module DM9000A_IF( // HOST Side
- iDATA,
- oDATA,
- iCMD,
- iRD_N,
- iWR_N,
- iCS_N,
- iRST_N,
- iCLK,
- iOSC_50,
- oINT,
- // DM9000A Side
- ENET_DATA,
- ENET_CMD,
- ENET_RD_N,
- ENET_WR_N,
- ENET_CS_N,
- ENET_RST_N,
- ENET_INT,
- ENET_CLK );
-// HOST Side
-input [31:0] iDATA;
-input iCMD;
-input iRD_N;
-input iWR_N;
-input iCS_N;
-input iRST_N;
-input iCLK;
-input iOSC_50;
-output [31:0] oDATA;
-output oINT;
-// DM9000A Side
-inout [15:0] ENET_DATA;
-output ENET_CMD;
-output ENET_RD_N;
-output ENET_WR_N;
-output ENET_CS_N;
-output ENET_RST_N;
-output ENET_CLK;
-input ENET_INT;
-
-reg [15:0] TMP_DATA;
-reg ENET_CMD;
-reg ENET_RD_N;
-reg ENET_WR_N;
-reg ENET_CS_N;
-reg ENET_CLK;
-reg [31:0] oDATA;
-reg oINT;
-
-assign ENET_DATA = ENET_WR_N ? 16'hzzzz : TMP_DATA;
-
-always@(posedge iCLK or negedge iRST_N)
-begin
- if(!iRST_N)
- begin
- TMP_DATA <= 0;
- ENET_CMD <= 0;
- ENET_RD_N <= 1;
- ENET_WR_N <= 1;
- ENET_CS_N <= 1;
- oDATA <= 0;
- oINT <= 0;
- end
- else
- begin
- oDATA <= ENET_DATA;
- oINT <= ENET_INT;
- TMP_DATA <= iDATA;
- ENET_CMD <= iCMD;
- ENET_CS_N <= iCS_N;
- ENET_RD_N <= iRD_N;
- ENET_WR_N <= iWR_N;
- end
-end
-
-always@(posedge iOSC_50)
-ENET_CLK <= ~ENET_CLK;
-
-assign ENET_RST_N = iRST_N;
-
-endmodule
-
-
-
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