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Add eth dma wrapper

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This commit is contained in:
Byron Lathi
2025-11-15 12:49:52 -08:00
parent 31513dc16a
commit 4bd09e8f83
10 changed files with 546 additions and 35 deletions
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97
src/alibaba_pcie_top.sv
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@@ -20,17 +20,25 @@
//////////////////////////////////////////////////////////////////////////////////
module alibaba_pcie(
input wire [7:0] pci_exp_rxp,
input wire [7:0] pci_exp_rxn,
output wire [7:0] pci_exp_txp,
output wire [7:0] pci_exp_txn,
input wire [7:0] pci_exp_rxp,
input wire [7:0] pci_exp_rxn,
output wire [7:0] pci_exp_txp,
output wire [7:0] pci_exp_txn,
output wire [3:0] Led_o,
input wire pcie_mgt_refclk_p,
input wire pcie_mgt_refclk_n,
input wire pcie_mgt_refclk_p,
input wire pcie_mgt_refclk_n,
input wire pcie_reset_n,
input wire pcie_reset_n
input wire sfp_mgt_clk_p,
input wire sfp_mgt_clk_n,
output wire [1:0] sfp_txp,
output wire [1:0] sfp_txn,
input wire [1:0] sfp_rxp,
input wire [1:0] sfp_rxn,
output wire [3:0] Led_o
);
@@ -54,7 +62,9 @@ taxi_axis_if #(.DATA_W(256), .USER_EN(1), .USER_W(75), .KEEP_W(8)) m_axis_rc();
taxi_axil_if m_axil_rd();
taxi_axil_if m_axil_wr();
taxi_apb_if #(.ADDR_W(6)) m_apb();
taxi_apb_if #(.ADDR_W(7)) s_apb();
taxi_apb_if #(.ADDR_W(6)) m_apb[2]();
`ifndef SIM
IBUFDS_GTE4 m_ibufds (
@@ -69,6 +79,50 @@ IBUFDS_GTE4 m_ibufds (
assign Led_o[0] = user_lnk_up;
assign Led_o[1] = phy_rdy_out;
taxi_dma_ram_if #(.SEGS(4)) dma_ram_pcie_rd_if();
taxi_dma_ram_if #(.SEGS(4)) dma_ram_pcie_wr_if();
taxi_dma_ram_if #(.SEGS(4)) dma_ram_eth_rd_if();
taxi_dma_ram_if #(.SEGS(4)) dma_ram_eth_wr_if();
taxi_apb_interconnect #(
.M_CNT(2),
.ADDR_W(7),
.M_REGIONS(1),
.M_BASE_ADDR('0),
.M_ADDR_W({32'd6, 32'd6}),
.M_SECURE({2{1'b0}})
) u_apb_interconnect (
.clk (clk_250),
.rst (rst_250),
.s_apb (s_apb),
.m_apb (m_apb)
);
taxi_dma_psdpram #(
.SIZE(16384)
) u_taxi_dma_tx_psdpram (
.clk (clk_250),
.rst (rst_250),
.dma_ram_wr (dma_ram_pcie_wr_if),
.dma_ram_rd (dma_ram_eth_rd_if)
);
taxi_dma_psdpram #(
.SIZE(16384)
) u_taxi_dma_rx_psdpram(
.clk (clk_250),
.rst (rst_250),
.dma_ram_wr (dma_ram_eth_wr_if),
.dma_ram_rd (dma_ram_pcie_rd_if)
);
taxi_pcie_us_axil_master u_taxi_pcie_us_axil_master (
.clk (clk_250),
.rst (rst_250),
@@ -93,7 +147,7 @@ taxi_axil_apb_adapter u_taxi_axil_apb_adapter (
.s_axil_wr (m_axil_wr),
.s_axil_rd (m_axil_rd),
.m_apb (m_apb)
.m_apb (s_apb)
);
pcie_dma_wrapper u_pcie_dma_wrapper (
@@ -103,7 +157,28 @@ pcie_dma_wrapper u_pcie_dma_wrapper (
.m_axis_rq (s_axis_rq),
.s_axis_rc (m_axis_rc),
.s_apb (m_apb)
.wr_dma_mst (dma_ram_pcie_wr_if),
.rd_dma_mst (dma_ram_pcie_rd_if),
.s_apb (m_apb[0])
);
eth_dma_wrapper u_eth_dma_wrapper (
.clk_250 (clk_250),
.rst_250 (rst_250),
.sfp_mgt_clk_p (sfp_mgt_clk_p),
.sfp_mgt_clk_n (sfp_mgt_clk_n),
.sfp_txp (sfp_txp),
.sfp_txn (sfp_txn),
.sfp_rxp (sfp_rxp),
.sfp_rxn (sfp_rxn),
.wr_dma_mst (dma_ram_eth_wr_if),
.rd_dma_mst (dma_ram_eth_rd_if),
.s_apb (m_apb[1])
);
`ifndef SIM