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axis dma desc and status interface

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otroubi
2026-07-14 18:39:48 +03:00
parent 7cf727883f
commit 8aefa4f3f6
3 changed files with 149 additions and 16 deletions
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30
rtl/controller/src/axis_flat_to_if.sv Normal file
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@ -0,0 +1,30 @@
module axis_flat_to_if #(
parameter int unsigned DATA_W = 64,
parameter int unsigned KEEP_W = DATA_W / 8,
parameter int unsigned ID_W = 8,
parameter int unsigned DEST_W = 8,
parameter int unsigned USER_W = 1
)(
input logic [DATA_W-1:0] s_axis_tdata,
input logic [KEEP_W-1:0] s_axis_tkeep,
input logic [KEEP_W-1:0] s_axis_tstrb,
input logic s_axis_tlast,
input logic [ID_W-1:0] s_axis_tid,
input logic [DEST_W-1:0] s_axis_tdest,
input logic [USER_W-1:0] s_axis_tuser,
input logic s_axis_tvalid,
output logic s_axis_tready,
axis_if.master m_axis
);
assign m_axis.req.t.data = s_axis_tdata;
assign m_axis.req.t.keep = s_axis_tkeep;
assign m_axis.req.t.strb = s_axis_tstrb;
assign m_axis.req.t.last = s_axis_tlast;
assign m_axis.req.t.id = s_axis_tid;
assign m_axis.req.t.dest = s_axis_tdest;
assign m_axis.req.t.user = s_axis_tuser;
assign m_axis.req.t.valid = s_axis_tvalid;
assign s_axis_tready = m_axis.resp.ready;
endmodule : axis_flat_to_if

30
rtl/controller/src/axis_if_to_flat.sv Normal file
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@ -0,0 +1,30 @@
module axis_if_to_flat #(
parameter int unsigned DATA_W = 64,
parameter int unsigned KEEP_W = DATA_W / 8,
parameter int unsigned ID_W = 8,
parameter int unsigned DEST_W = 8,
parameter int unsigned USER_W = 1
)(
axis_if.slave s_axis,
output logic [DATA_W-1:0] m_axis_tdata,
output logic [KEEP_W-1:0] m_axis_tkeep,
output logic [KEEP_W-1:0] m_axis_tstrb,
output logic m_axis_tlast,
output logic [ID_W-1:0] m_axis_tid,
output logic [DEST_W-1:0] m_axis_tdest,
output logic [USER_W-1:0] m_axis_tuser,
output logic m_axis_tvalid,
input logic m_axis_tready
);
assign m_axis_tdata = s_axis.req.t.data;
assign m_axis_tkeep = s_axis.req.t.keep;
assign m_axis_tstrb = s_axis.req.t.strb;
assign m_axis_tlast = s_axis.req.t.last;
assign m_axis_tid = s_axis.req.t.id;
assign m_axis_tdest = s_axis.req.t.dest;
assign m_axis_tuser = s_axis.req.t.user;
assign m_axis_tvalid = s_axis.req.t.valid;
assign s_axis.resp.ready = m_axis_tready;
endmodule : axis_if_to_flat

105
rtl/controller/src/controller_wrapper_axil.sv
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@ -47,23 +47,11 @@ parameter int unsigned WRITE_STATUS_WIDTH = LEN_WIDTH + TAG_WIDTH + AXIS_ID_WIDT
output logic adc_rst,
// AXIS DMA
input logic ready_desc_read,
input logic ready_desc_write,
axis_if.master m_axis_status_read,
axis_if.master m_axis_status_write,
output logic ready_status_read,
output logic ready_status_write,
output logic valid_desc_read,
output logic valid_desc_write,
input logic valid_status_read,
input logic valid_status_write,
input logic [READ_STATUS_WIDTH-1:0] status_read_cmd_in,
input logic [WRITE_STATUS_WIDTH-1:0] status_write_cmd_in,
output logic [READ_DESC_WIDTH-1:0] desc_read_cmd_out,
output logic [WRITE_DESC_WIDTH-1:0] desc_write_cmd_out
axis_if.slave s_axis_desc_read,
axis_if.slave s_axis_desc_write
);
logic start, rst_soft, send_desc_read, send_desc_write, take_status_read, take_status_write, cfg_bus_valid, busy;
@ -230,4 +218,89 @@ parameter int unsigned WRITE_STATUS_WIDTH = LEN_WIDTH + TAG_WIDTH + AXIS_ID_WIDT
.status_write_dma_hs(status_write_dma_hs)
);
// AXIS LOGIC TRANSFORMATION
axis_flat_to_if
#(
.DATA_W(READ_STATUS_WIDTH),
.ID_W(8),
.DEST_W(8),
.USER_W(1)
) axis_flat_to_if_status_read
(
.s_axis_tdata(status_read_cmd_in),
.s_axis_tkeep(),
.s_axis_tstrb(),
.s_axis_tlast(),
.s_axis_tid(),
.s_axis_tdest(),
.s_axis_tuser(),
.s_axis_tvalid(valid_status_read),
.s_axis_tready(ready_status_read),
.m_axis(m_axis_status_read)
);
axis_flat_to_if
#(
.DATA_W(WRITE_STATUS_WIDTH),
.ID_W(8),
.DEST_W(8),
.USER_W(1)
) axis_flat_to_if_status_write
(
.s_axis_tdata(status_write_cmd_in),
.s_axis_tkeep(),
.s_axis_tstrb(),
.s_axis_tlast(),
.s_axis_tid(),
.s_axis_tdest(),
.s_axis_tuser(),
.s_axis_tvalid(valid_status_write),
.s_axis_tready(ready_status_write),
.m_axis(m_axis_status_write)
);
axis_if_to_flat
#(
.DATA_W(READ_DESC_WIDTH),
.ID_W(8),
.DEST_W(8),
.USER_W(1)
) axis_if_to_flat_desc_read
(
.s_axis(s_axis_desc_read),
.m_axis_tdata(desc_read_cmd_out),
.m_axis_tkeep(),
.m_axis_tstrb(),
.m_axis_tlast(),
.m_axis_tid(),
.m_axis_tdest(),
.m_axis_tuser(),
.m_axis_tvalid(valid_desc_read),
.m_axis_tready(ready_desc_read)
);
axis_if_to_flat
#(
.DATA_W(WRITE_DESC_WIDTH),
.ID_W(8),
.DEST_W(8),
.USER_W(1)
) axis_if_to_flat_desc_write
(
.s_axis(s_axis_desc_write),
.m_axis_tdata(desc_write_cmd_out),
.m_axis_tkeep(),
.m_axis_tstrb(),
.m_axis_tlast(),
.m_axis_tid(),
.m_axis_tdest(),
.m_axis_tuser(),
.m_axis_tvalid(valid_desc_write),
.m_axis_tready(ready_desc_write)
);
endmodule