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xilinx PLL: allows to specify PLL output frequency (16 or 32 MHz)
This commit is contained in:
committed by
Olof Kindgren
parent
1f6d215d19
commit
d90030b955
@@ -4,6 +4,7 @@ module servix
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input wire i_clk,
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output wire q);
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parameter frequency = 32;
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parameter memfile = "zephyr_hello.hex";
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parameter memsize = 8192;
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parameter PLL = "NONE";
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@@ -11,7 +12,9 @@ module servix
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wire wb_clk;
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wire wb_rst;
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servix_clock_gen clock_gen
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servix_clock_gen
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#(.frequency (frequency))
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clock_gen
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(.i_clk (i_clk),
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.o_clk (wb_clk),
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.o_rst (wb_rst));
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@@ -4,6 +4,8 @@ module servix_clock_gen
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output wire o_clk,
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output reg o_rst);
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parameter frequency = 32;
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wire clkfb;
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wire locked;
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reg locked_r;
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@@ -12,7 +14,7 @@ module servix_clock_gen
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#(.BANDWIDTH("OPTIMIZED"),
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.CLKFBOUT_MULT(16),
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.CLKIN1_PERIOD(10.0), //100MHz
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.CLKOUT0_DIVIDE(50),
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.CLKOUT0_DIVIDE((frequency == 32) ? 50 : 100),
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.DIVCLK_DIVIDE(1),
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.STARTUP_WAIT("FALSE"))
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PLLE2_BASE_inst
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