ClkManager.v 3.9 KB

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  1. module ClkManager
  2. #(
  3. parameter SpiNum = 7,
  4. parameter STAGES = 3
  5. )
  6. (
  7. input Clk_i,
  8. input Rst_i,
  9. input Rst80_i,
  10. input [7:0] BaudRate0_i,
  11. input [7:0] BaudRate1_i,
  12. input [7:0] BaudRate2_i,
  13. input [7:0] BaudRate3_i,
  14. input [7:0] BaudRate4_i,
  15. input [7:0] BaudRate5_i,
  16. input [7:0] BaudRate6_i,
  17. output Clk80_o,
  18. output [SpiNum-1:0] SpiClk_o
  19. );
  20. //================================================================================
  21. // REG/WIRE
  22. //================================================================================
  23. wire clk0out;
  24. wire clk1out;
  25. wire clk2out;
  26. wire clk3out;
  27. wire clk4out;
  28. wire clk5out;
  29. wire clk6out;
  30. wire locked;
  31. wire [SpiNum-1:0] clkOutMMCM;
  32. wire [SpiNum-1:0] clkMan;
  33. wire [0:2] clkNum [SpiNum-1:0];
  34. wire [0:3] clkDiv [SpiNum-1:0];
  35. wire [0:3] clkDivSync [SpiNum-1:0];
  36. wire [SpiNum-1:0] clkCh;
  37. wire [SpiNum-1:0] spiClk;
  38. //================================================================================
  39. // ASSIGNMENTS
  40. //===============================================================================
  41. assign clkNum[0] = BaudRate0_i[7:5];
  42. assign clkNum[1] = BaudRate1_i[7:5];
  43. assign clkNum[2] = BaudRate2_i[7:5];
  44. assign clkNum[3] = BaudRate3_i[7:5];
  45. assign clkNum[4] = BaudRate4_i[7:5];
  46. assign clkNum[5] = BaudRate5_i[7:5];
  47. assign clkNum[6] = BaudRate6_i[7:5];
  48. assign clkDiv[0] = BaudRate0_i[3:0];
  49. assign clkDiv[1] = BaudRate1_i[3:0];
  50. assign clkDiv[2] = BaudRate2_i[3:0];
  51. assign clkDiv[3] = BaudRate3_i[3:0];
  52. assign clkDiv[4] = BaudRate4_i[3:0];
  53. assign clkDiv[5] = BaudRate5_i[3:0];
  54. assign clkDiv[6] = BaudRate6_i[3:0];
  55. assign clkCh[0] = BaudRate0_i[4];
  56. assign clkCh[1] = BaudRate1_i[4];
  57. assign clkCh[2] = BaudRate2_i[4];
  58. assign clkCh[3] = BaudRate3_i[4];
  59. assign clkCh[4] = BaudRate4_i[4];
  60. assign clkCh[5] = BaudRate5_i[4];
  61. assign clkCh[6] = BaudRate6_i[4];
  62. assign SpiClk_o = spiClk;
  63. assign Clk100_o = clk0out;
  64. assign Clk80_o = clk1out;
  65. //================================================================================
  66. // LOCALPARAMS
  67. //================================================================================
  68. //================================================================================
  69. // CODING
  70. //================================================================================
  71. genvar i;
  72. generate
  73. for (i=0; i < SpiNum; i = i +1) begin : ClkGen
  74. ClkDivider ClkDivider (
  75. .Clk_i(clk1out),
  76. .ClkDiv_i(clkDivSync[i]),
  77. .Rst_i(Rst80_i),
  78. .Clk_o(clkMan[i])
  79. );
  80. CmdSync #(
  81. .WIDTH(4),
  82. .STAGES(STAGES)
  83. ) CmdSync (
  84. .ClkFast_i(Clk_i),
  85. .ClkSlow_i(clk1out),
  86. .ClkDiv_i(clkDiv[i]),
  87. .ClkDiv_o(clkDivSync[i])
  88. );
  89. MmcmClkMux MmcmClkMux (
  90. .Rst_i(Rst_i),
  91. .clkNum(clkNum[i]),
  92. .clk0out(clk0out),
  93. .clk1out(clk1out),
  94. .clk2out(clk2out),
  95. .clk3out(clk3out),
  96. .clk4out(clk4out),
  97. .clk5out(clk5out),
  98. .clk6out(clk6out),
  99. .ClkOutMMCM_o(clkOutMMCM[i])
  100. );
  101. SpiClkMux SpiClkMux (
  102. .Rst_i(Rst_i),
  103. .clkCh(clkCh[i]),
  104. .clkOutMMCM(clkOutMMCM[i]),
  105. .clkMan(clkMan[i]),
  106. .SpiClk_o(spiClk[i])
  107. );
  108. end
  109. endgenerate
  110. ClkDiv ClkDiv_inst
  111. (
  112. // Clock out ports
  113. .clk_out1(clk0out), //100 MHz
  114. .clk_out2(clk1out), // 80 MHz
  115. .clk_out3(clk2out), // 70 MHz
  116. .clk_out4(clk3out), // 60MHz
  117. .clk_out5(clk4out), // 50MHz
  118. .clk_out6(clk5out), // 40MHz
  119. .clk_out7(clk6out), // 30MHz
  120. // Status and control signals
  121. .reset(Rst_i), // input reset
  122. .locked(locked), // output locked
  123. // Clock in ports
  124. .clk_in1(Clk_i)); // input clk_in1
  125. endmodule