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rtc: fix time counting when there is no usb-rtc

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This commit is contained in:
Eugene Lozovoy
2024-09-24 08:11:54 +03:00
parent de42325cbe
commit feab410de9
1 changed files with 7 additions and 4 deletions
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11
rtl/tsconf.v
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@ -956,10 +956,13 @@ module tsconf
// MC146818A RTC
reg ena_0_4375mhz;
always @(posedge fclk) begin
reg [5:0] div;
div <= div + 1'd1;
ena_0_4375mhz <= !div; //28MHz/64
always @(posedge clk) begin
reg [7:0] div;
if (div == 191)
div <= 0;
else
div <= div + 1'd1;
ena_0_4375mhz <= !div;
end
mc146818a mc146818a