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example/Alveo: Add XFCP to Alveo example design for monitoring and control

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-04-09 16:05:10 -07:00
parent ecfb50641d
commit a5b7b8031b
22 changed files with 174 additions and 55 deletions
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116
example/Alveo/fpga/rtl/fpga_core.sv
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@@ -72,8 +72,110 @@ module fpga_core #
output wire logic [PORT_CNT-1:0] eth_port_lpmode
);
// UART
for (genvar n = 0; n < UART_CNT; n = n + 1) begin : uart_ch
// XFCP
taxi_axis_if #(.DATA_W(8), .USER_EN(1), .USER_W(1)) xfcp_ds(), xfcp_us();
taxi_xfcp_if_uart #(
.TX_FIFO_DEPTH(512),
.RX_FIFO_DEPTH(512)
)
xfcp_if_uart_inst (
.clk(clk_125mhz),
.rst(rst_125mhz),
/*
* UART interface
*/
.uart_rxd(uart_rxd),
.uart_txd(uart_txd),
/*
* XFCP downstream interface
*/
.xfcp_dsp_ds(xfcp_ds),
.xfcp_dsp_us(xfcp_us),
/*
* Configuration
*/
.prescale(16'(125000000/3000000))
);
taxi_axis_if #(.DATA_W(8), .USER_EN(1), .USER_W(1)) xfcp_sw_ds[1](), xfcp_sw_us[1]();
taxi_xfcp_switch #(
.XFCP_ID_STR("Alveo"),
.XFCP_EXT_ID(0),
.XFCP_EXT_ID_STR("Taxi example"),
.PORTS($size(xfcp_sw_us))
)
xfcp_sw_inst (
.clk(clk_125mhz),
.rst(rst_125mhz),
/*
* XFCP upstream port
*/
.xfcp_usp_ds(xfcp_ds),
.xfcp_usp_us(xfcp_us),
/*
* XFCP downstream ports
*/
.xfcp_dsp_ds(xfcp_sw_ds),
.xfcp_dsp_us(xfcp_sw_us)
);
taxi_axis_if #(.DATA_W(16), .KEEP_W(1), .KEEP_EN(0), .LAST_EN(0), .USER_EN(1), .USER_W(1), .ID_EN(1), .ID_W(10)) axis_stat();
taxi_xfcp_mod_stats #(
.XFCP_ID_STR("Statistics"),
.XFCP_EXT_ID(0),
.XFCP_EXT_ID_STR(""),
.STAT_COUNT_W(64),
.STAT_PIPELINE(2)
)
xfcp_stats_inst (
.clk(clk_125mhz),
.rst(rst_125mhz),
/*
* XFCP upstream port
*/
.xfcp_usp_ds(xfcp_sw_ds[0]),
.xfcp_usp_us(xfcp_sw_us[0]),
/*
* Statistics increment input
*/
.s_axis_stat(axis_stat)
);
taxi_axis_if #(.DATA_W(16), .KEEP_W(1), .KEEP_EN(0), .LAST_EN(0), .USER_EN(1), .USER_W(1), .ID_EN(1), .ID_W(10)) axis_eth_stat[GTY_QUAD_CNT]();
taxi_axis_arb_mux #(
.S_COUNT($size(axis_eth_stat)),
.UPDATE_TID(1'b0),
.ARB_ROUND_ROBIN(1'b1),
.ARB_LSB_HIGH_PRIO(1'b0)
)
stat_mux_inst (
.clk(clk_125mhz),
.rst(rst_125mhz),
/*
* AXI4-Stream inputs (sink)
*/
.s_axis(axis_eth_stat),
/*
* AXI4-Stream output (source)
*/
.m_axis(axis_stat)
);
// Additional UARTs
for (genvar n = 1; n < UART_CNT; n = n + 1) begin : uart_ch
taxi_axis_if #(.DATA_W(8)) axis_uart();
@@ -128,8 +230,6 @@ wire [GTY_CNT-1:0] eth_gty_rx_clk;
wire [GTY_CNT-1:0] eth_gty_rx_rst;
taxi_axis_if #(.DATA_W(64), .ID_W(8)) eth_gty_axis_rx[GTY_CNT]();
taxi_axis_if #(.DATA_W(16), .KEEP_W(1), .KEEP_EN(0), .LAST_EN(0), .USER_EN(1), .USER_W(1), .ID_EN(1), .ID_W(8)) eth_gty_axis_stat[GTY_QUAD_CNT]();
wire [GTY_CNT-1:0] eth_gty_rx_status;
wire [GTY_QUAD_CNT-1:0] eth_gty_gtpowergood;
@@ -210,7 +310,11 @@ for (genvar n = 0; n < GTY_QUAD_CNT; n = n + 1) begin : gty_quad
.TX_SERDES_PIPELINE(1),
.RX_SERDES_PIPELINE(1),
.COUNT_125US(125000/6.4),
.STAT_EN(1'b0)
.STAT_EN(1),
.STAT_TX_LEVEL(1),
.STAT_RX_LEVEL(1),
.STAT_ID_BASE(n*CNT*(16+16)),
.STAT_UPDATE_PERIOD(1024)
)
mac_inst (
.xcvr_ctrl_clk(clk_125mhz),
@@ -293,7 +397,7 @@ for (genvar n = 0; n < GTY_QUAD_CNT; n = n + 1) begin : gty_quad
*/
.stat_clk(clk_125mhz),
.stat_rst(rst_125mhz),
.m_axis_stat(eth_gty_axis_stat[n]),
.m_axis_stat(axis_eth_stat[n]),
/*
* Status