feat(confreg): add interrupt support for fft, dma and uart

rtl/ip/confreg/confreg.v

@@ -89,6 +89,8 @@ module confreg #(
     output      [7:0] dpy1,
     input      [31:0] switch,
     input      [3 :0] touch_btn,
+
+    input             uart0_int,
     input             dma_finish,
     input             fft_finish,
     output            confreg_int
@@ -382,7 +384,7 @@ always @(posedge aclk) begin
     end
 end
 
-assign int_in = {27'b0, timer_int, touch_btn_data};
+assign int_in = {24'b0, dma_finish, fft_finish, uart0_int, timer_int, touch_btn_data};
 
 int_ctrl u_int_ctrl (
     .clk       (aclk),

rtl/soc_top.v

@@ -1379,6 +1379,7 @@ confreg #(
     .touch_btn  (touch_btn),        // 触摸按钮
 
     // 中断与状态信号
+    .uart0_int  (uart0_int),        // UART0中断
     .dma_finish (dma_finish),       // DMA完成信号
     .fft_finish (fft_finish),       // FFT完成信号
     .confreg_int(confreg_int)       // 输出中断给CPU