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rfnoc: Fix test_timed_commands for RFNoC devices

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- Added command time to readback of time from Radio block.
- Added wait for time to readback of shared registers in Radio block.

Signed-off-by: michael-west <michael.west@ettus.com>


Original-commit: 8daa80c05f8006697aea05fea4ac5cd4dabbaef1
This commit is contained in:
michael-west
2022-04-05 13:18:09 -07:00
committed by Aaron Rossetto
parent 57e460af22
commit 5309c96f80
1 changed files with 62 additions and 16 deletions
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lib/rfnoc/blocks/rfnoc_block_radio/rfnoc_block_radio.v
+62 -16
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@@ -262,8 +262,8 @@ module rfnoc_block_radio #(
wire [ 3:0] ctrlport_shared_req_byte_en;
wire ctrlport_shared_req_has_time;
wire [63:0] ctrlport_shared_req_time;
reg ctrlport_shared_resp_ack = 1'b0;
reg [31:0] ctrlport_shared_resp_data = 0;
wire ctrlport_shared_resp_ack;
wire [31:0] ctrlport_shared_resp_data;
wire ctrlport_core_req_wr;
wire ctrlport_core_req_rd;
@@ -421,6 +421,54 @@ module rfnoc_block_radio #(
);
//---------------------------------------------------------------------------
// Control Port Timer for Shared Registers
//---------------------------------------------------------------------------
//
// Makes sure shared register access waits for the time if one is provided.
// This allows timed command packets to be tested by reading the time using
// command packets with a time supplied.
//
//---------------------------------------------------------------------------
wire ctrlport_timer_req_rd;
wire [19:0] ctrlport_timer_req_addr;
reg ctrlport_timer_resp_ack = 1'b0;
reg [31:0] ctrlport_timer_resp_data = 0;
ctrlport_timer ctrlport_timer_i (
// Clocks and Resets
.clk(radio_clk),
.rst(radio_rst),
// Timestamp (synchronous to radio_clk)
.time_now(radio_time),
.time_now_stb(1'b1),
.time_ignore_bits($clog2(NIPC)),
// Control Port Master (Request)
.s_ctrlport_req_wr(ctrlport_shared_req_wr),
.s_ctrlport_req_rd(ctrlport_shared_req_rd),
.s_ctrlport_req_addr(ctrlport_shared_req_addr),
.s_ctrlport_req_data(ctrlport_shared_req_data),
.s_ctrlport_req_byte_en(ctrlport_shared_req_byte_en),
.s_ctrlport_req_has_time(ctrlport_shared_req_has_time),
.s_ctrlport_req_time(ctrlport_shared_req_time),
// Control Port Slave (Response)
.s_ctrlport_resp_ack(ctrlport_shared_resp_ack),
.s_ctrlport_resp_status(),
.s_ctrlport_resp_data(ctrlport_shared_resp_data),
// Control Port Master (Request)
.m_ctrlport_req_wr(),
.m_ctrlport_req_rd(ctrlport_timer_req_rd),
.m_ctrlport_req_addr(ctrlport_timer_req_addr),
.m_ctrlport_req_data(),
.m_ctrlport_req_byte_en(),
// Control Port Master (Response)
.m_ctrlport_resp_ack(ctrlport_timer_resp_ack),
.m_ctrlport_resp_status(2'b00),
.m_ctrlport_resp_data(ctrlport_timer_resp_data)
);
//---------------------------------------------------------------------------
// Shared Registers
//---------------------------------------------------------------------------
@@ -436,29 +484,27 @@ module rfnoc_block_radio #(
always @(posedge radio_clk) begin
if (radio_rst) begin
ctrlport_shared_resp_ack <= 0;
ctrlport_shared_resp_data <= 0;
radio_time_hi <= 32'h0;
ctrlport_timer_resp_ack <= 0;
ctrlport_timer_resp_data <= 0;
radio_time_hi <= 32'h0;
end else begin
// Default assignments
ctrlport_shared_resp_ack <= 0;
ctrlport_shared_resp_data <= 0;
ctrlport_timer_resp_ack <= 0;
ctrlport_timer_resp_data <= 0;
// Handle register reads
if (ctrlport_shared_req_rd) begin
case (ctrlport_shared_req_addr)
if (ctrlport_timer_req_rd) begin
ctrlport_timer_resp_ack <= 1;
case (ctrlport_timer_req_addr)
REG_COMPAT_NUM: begin
ctrlport_shared_resp_ack <= 1;
ctrlport_shared_resp_data <= { compat_major, compat_minor };
ctrlport_timer_resp_data <= { compat_major, compat_minor };
end
REG_TIME_LO: begin
ctrlport_shared_resp_ack <= 1;
ctrlport_shared_resp_data <= radio_time[31:0];
radio_time_hi <= radio_time[63:32];
ctrlport_timer_resp_data <= radio_time[31:0];
radio_time_hi <= radio_time[63:32];
end
REG_TIME_HI: begin
ctrlport_shared_resp_ack <= 1;
ctrlport_shared_resp_data <= radio_time_hi;
ctrlport_timer_resp_data <= radio_time_hi;
end
endcase
end