Fix CMOD A7 servant target

data/cmod_a7_35t.xdc

@@ -7,8 +7,10 @@ set_property -dict { PACKAGE_PIN A17   IOSTANDARD LVCMOS33 } [get_ports { q }];
 #set_property -dict { PACKAGE_PIN C16   IOSTANDARD LVCMOS33 } [get_ports { q }]; #IO_L13P_T2_MRCC_16 Sch=led[2]
 
 ## UART
-#set_property -dict { PACKAGE_PIN J18   IOSTANDARD LVCMOS33 } [get_ports { q }]; #IO_L7N_T1_D10_14 Sch=uart_rxd_out
+set_property -dict { PACKAGE_PIN J18   IOSTANDARD LVCMOS33 } [get_ports { o_uart_tx }]; #IO_L7N_T1_D10_14 Sch=uart_rxd_out
 #set_property -dict { PACKAGE_PIN J17   IOSTANDARD LVCMOS33 } [get_ports { q  }]; #IO_L7P_T1_D09_14 Sch=uart_txd_in
 
+set_property -dict { PACKAGE_PIN A18   IOSTANDARD LVCMOS33 } [get_ports { i_rst }]; #IO_L19N_T3_VREF_16 Sch=btn[0]
+
 set_property CFGBVS VCCO [current_design]
 set_property CONFIG_VOLTAGE 3.3 [current_design]

doc/servant.rst

@@ -52,6 +52,13 @@ FPGA Pin W14 (1V8, pin 5 low speed connector) is used for UART Tx output with 11
 
     fusesoc run --target=chameleon96 servant
 
+CMOD A7 35t
+^^^^^^^^^^^
+
+FPGA Pin J18 is used for UART output with 57600 baud rate. btn0 is used for reset.
+
+    fusesoc run --target=cmod_a7_35t servant
+
 DE0 Nano
 ^^^^^^^^
 

servant.core

@@ -77,8 +77,8 @@ filesets:
 
   cmod_a7_35t:
     files:
-      - servant/servix_clock_gen.v : {file_type : verilogSource}
+      - servant/servant_cmod_a7_clock_gen.v : {file_type : verilogSource}
-      - servant/servix.v : {file_type : verilogSource}
+      - servant/servant_cmod_a7.v : {file_type : verilogSource}
       - data/cmod_a7_35t.xdc : {file_type : xdc}
 
   cyc1000:
@@ -243,12 +243,12 @@ targets:
     toplevel: CV_96
 
   cmod_a7_35t:
-    default_tool: vivado
     filesets : [mem_files, soc, cmod_a7_35t]
-    parameters : [memfile=blinky.hex, memsize, frequency=12]
+    flow: vivado
-    tools:
+    flow_options:
-      vivado: {part : xc7a35tcpg236-1}
+      part : xc7a35tcpg236-1
-    toplevel : servix
+    parameters : [memfile, memsize]
+    toplevel : servant_cmod_a7
 
   cyc1000:
     default_tool: quartus

servant/servant_cmod_a7.v

@@ -0,0 +1,33 @@
+`default_nettype none
+module servant_cmod_a7
+(
+ input wire  i_clk,
+ input wire  i_rst,
+ output wire o_uart_tx,
+ output wire q);
+
+   parameter memfile = "zephyr_hello.hex";
+   parameter memsize = 8192;
+
+   wire      wb_clk;
+   wire      wb_rst;
+
+   assign o_uart_tx = q;
+
+   servant_cmod_a7_clock_gen
+   clock_gen
+     (.i_clk (i_clk),
+      .i_rst (i_rst),
+      .o_clk (wb_clk),
+      .o_rst (wb_rst));
+
+   servant
+     #(.memfile (memfile),
+       .memsize (memsize))
+   servant
+     (.wb_clk (wb_clk),
+      .wb_rst (wb_rst),
+      .q      (q));
+
+endmodule
+`default_nettype wire

servant/servant_cmod_a7_clock_gen.v

@@ -0,0 +1,35 @@
+`default_nettype none
+module servant_cmod_a7_clock_gen
+  (input wire  i_clk,
+   input wire  i_rst,
+   output wire o_clk,
+   output reg  o_rst);
+
+   wire   clkfb;
+   wire   locked;
+   reg 	  locked_r;
+
+   MMCME2_BASE
+     #(.CLKIN1_PERIOD   (83.333), //12MHz
+
+       /* Set VCO frequency to 12*64=768 MHz
+	Allowed values are 2.0 to 64.0. Resulting VCO freq
+	needs to be 600-1200MHz */
+       .CLKFBOUT_MULT_F (64.000),
+
+       .CLKOUT0_DIVIDE_F (48.000)) // 768/48 = 16 MHz
+   pll
+     (.CLKIN1   (i_clk),
+      .RST      (i_rst),
+      .CLKOUT0  (o_clk),
+      .LOCKED   (locked),
+      .CLKFBOUT (clkfb),
+      .CLKFBIN  (clkfb));
+
+   always @(posedge o_clk) begin
+      locked_r <= locked;
+      o_rst  <= !locked_r;
+   end
+
+endmodule
+`default_nettype wire