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Diffstat (limited to 'source/mdio_data_ti.v')
| -rw-r--r-- | source/mdio_data_ti.v | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/source/mdio_data_ti.v b/source/mdio_data_ti.v deleted file mode 100644 index aef537d..0000000 --- a/source/mdio_data_ti.v +++ /dev/null @@ -1,128 +0,0 @@ -/* - * mdio_data_ti.v ( TI DP83867 PHY ) - * - * Copyright (C) 2018, 2019 Mind Chasers Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * function: MDIO ROM for TI DP83867 PHY - * - */ - - - -`timescale 1ns /10ps - -module mdio_data_ti #(parameter ADDR_SZ = 7) -( - // params that alter the data returned - input [4:0] page, - input [4:0] reg_addr, - input [7:0] data_in_h, - input [7:0] data_in_l, - - // ROM interface - input oe, - input [ADDR_SZ-1:0]ad, - output [7:0]d -); - -localparam R = 8'h20; -localparam W = 8'h00; -localparam EOP = 8'h80; - -localparam REGCR = 5'h0d; -localparam ADDAR = 5'h0e; - -reg [7:0]data; - -assign d = oe ? data : 8'hzz; - -// register 22 is page -always @ (*) -begin - case (ad) - /* - Subroutine: SGMII Init ( i ) Not Needed for TI PHY, but read PHY Control Register (PHYCR), Address 0x0010 - */ - - // read the PHYCR register, SGMII Enable is bill 11 - 0: data = R|8'h10; // pg 18, reg 20 - - /* - Subroutine: Read Live Status ( s ) - */ - // read the live copper status PHYSTS (0x17) - 20 : data = R|8'h11; // read addr[17] - - /* - Subroutine: Dump Registers 0:3 - */ - 25: data = R|8'd0; - 26 : data = R|8'd1; - 27 : data = R|8'd2; - 28 : data = R|8'd3; - - /* - Subroutine: : Loopback ( 0_0.14 ) - */ - 40 : data = W|8'd0; // write addr[0] - 44 : data = 8'b01000000; // collision, speed select, reserved - 45 : data = 8'b01010001; // reset, loopback, speed, AN enable, power down, isolate, restart AN, duplex; - - // read it back - 46: data = R|8'd0; - - /* - Subroutine: : Read a register. - */ - 48: data = { 3'b001, reg_addr }; - - /* - Subroutine: : Write a register. - */ - 50: data = { 3'b000, reg_addr }; - 51: data = data_in_l; - 52: data = data_in_h; - // read it back - // 53: data = { 3'b001, reg_addr }; - - // y: extended read - 60: data = {3'b000 , REGCR }; - 61: data = 8'h1f; - 62: data = 8'h00; - // Write the extended address to 0xe - 63: data = { 3'b000, ADDAR }; - 64: data = data_in_l; - 65: data = data_in_h; - // Write 0x401f to 0xd - 66: data = { 3'b000, REGCR }; - 67: data = 8'h1f; - 68: data = 8'h40; - // Read value in extended register: read 0x0E - 69: data = { 3'b001, ADDAR }; - - // z: extended write - // Write value in extended register: 0x0E - 80: data = { 3'b000, ADDAR }; - 81: data = data_in_l; - 82: data = data_in_h; - // read it back - 83: data = { 3'b001, ADDAR }; - - default: data = R|EOP; - endcase -end - -endmodule - |
