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fpga: x300: Cleanup MTU parameters

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Original-commit: c781f753d6bbf1d22621fe905287b7842d986177
This commit is contained in:
Wade Fife
2022-09-01 14:41:55 -05:00
parent 1d9a3018db
commit 5bb61528d9
1 changed files with 11 additions and 2 deletions
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top/x300/bus_int.v
+11 -2
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@@ -189,6 +189,14 @@ module bus_int #(
localparam CHDR_W = `CHDR_WIDTH; localparam CHDR_W = `CHDR_WIDTH;
localparam RFNOC_PROTOVER = `RFNOC_PROTOVER; localparam RFNOC_PROTOVER = `RFNOC_PROTOVER;
// This USRP currently only supports 64-bit CHDR width
if (CHDR_W != 64) begin : gen_chdr_w_error
CHDR_W_must_be_64_for_this_USRP();
end
// Log base 2 of the maximum transmission unit (MTU) in bytes
localparam BYTE_MTU = $clog2(8192);
wire [31:0] set_data; wire [31:0] set_data;
wire [7:0] set_addr; wire [7:0] set_addr;
reg [31:0] rb_data; reg [31:0] rb_data;
@@ -636,7 +644,7 @@ module bus_int #(
assign {zpui0_tdata, zpui0_tlast, zpui0_tvalid, zpuo0_tready} = {64'h0, 1'b0, 1'b0, 1'b1}; assign {zpui0_tdata, zpui0_tlast, zpui0_tvalid, zpuo0_tready} = {64'h0, 1'b0, 1'b0, 1'b1};
`else `else
x300_eth_interface #( x300_eth_interface #(
.PROTOVER(RFNOC_PROTOVER), .MTU(10), .NODE_INST(0), .BASE(SR_ETHINT0) .PROTOVER(RFNOC_PROTOVER), .MTU(BYTE_MTU-3), .NODE_INST(0), .BASE(SR_ETHINT0)
) eth_interface0 ( ) eth_interface0 (
.clk(clk), .reset(reset), .clk(clk), .reset(reset),
.device_id(device_id), .device_id(device_id),
@@ -659,7 +667,7 @@ module bus_int #(
assign {zpui1_tdata, zpui1_tlast, zpui1_tvalid, zpuo1_tready} = {64'h0, 1'b0, 1'b0, 1'b1}; assign {zpui1_tdata, zpui1_tlast, zpui1_tvalid, zpuo1_tready} = {64'h0, 1'b0, 1'b0, 1'b1};
`else `else
x300_eth_interface #( x300_eth_interface #(
.PROTOVER(RFNOC_PROTOVER), .MTU(10), .NODE_INST(1), .BASE(SR_ETHINT1) .PROTOVER(RFNOC_PROTOVER), .MTU(BYTE_MTU-3), .NODE_INST(1), .BASE(SR_ETHINT1)
) eth_interface1 ( ) eth_interface1 (
.clk(clk), .reset(reset), .clk(clk), .reset(reset),
.device_id(device_id), .device_id(device_id),
@@ -745,6 +753,7 @@ module bus_int #(
rfnoc_image_core #( rfnoc_image_core #(
.CHDR_W (CHDR_W), .CHDR_W (CHDR_W),
.MTU (BYTE_MTU - $clog2(CHDR_W/8)),
.PROTOVER (RFNOC_PROTOVER) .PROTOVER (RFNOC_PROTOVER)
) rfnoc_sandbox_i ( ) rfnoc_sandbox_i (
.chdr_aclk (clk ), .chdr_aclk (clk ),