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reset networks optimization

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This commit is contained in:
Blaise Tine
2020-11-16 01:12:02 -08:00
parent 1bc4b8e7a8
commit a1fcdd467a
14 changed files with 259 additions and 219 deletions
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262
hw/opae/vortex_afu.sv
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@@ -115,12 +115,12 @@ wire vx_dram_rsp_ready;
reg vx_snp_req_valid;
reg [`VX_DRAM_ADDR_WIDTH-1:0] vx_snp_req_addr;
wire vx_snp_req_invalidate = 0;
reg [`VX_SNP_TAG_WIDTH-1:0] vx_snp_req_tag;
wire [`VX_SNP_TAG_WIDTH-1:0] vx_snp_req_tag;
wire vx_snp_req_ready;
reg vx_snp_rsp_valid;
wire vx_snp_rsp_valid;
`DEBUG_BEGIN
reg [`VX_SNP_TAG_WIDTH-1:0] vx_snp_rsp_tag;
wire [`VX_SNP_TAG_WIDTH-1:0] vx_snp_rsp_tag;
`DEBUG_END
reg vx_snp_rsp_ready;
@@ -135,9 +135,10 @@ wire vx_csr_io_rsp_valid;
wire [31:0] vx_csr_io_rsp_data;
wire vx_csr_io_rsp_ready;
wire vx_busy;
reg vx_reset;
reg vx_enabled;
wire vx_busy;
// CMD variables //////////////////////////////////////////////////////////////
@@ -208,127 +209,125 @@ always @(posedge clk) begin
`ifndef VERILATOR
$asserton; // enable assertions
`endif
mmio_tx.hdr <= 0;
mmio_tx.mmioRdValid <= 0;
mmio_tx.hdr <= 0;
`ifdef SCOPE
scope_start <= 0;
`endif
end else begin
mmio_tx.mmioRdValid <= cp2af_sRxPort.c0.mmioRdValid;
mmio_tx.hdr.tid <= mmio_hdr.tid;
`ifdef SCOPE
scope_start <= cp2af_sRxPort.c0.mmioWrValid;
`endif
end
else begin
mmio_tx.mmioRdValid <= 0;
// serve MMIO write request
if (cp2af_sRxPort.c0.mmioWrValid)
begin
`ifdef SCOPE
scope_start <= 1;
`endif
case (mmio_hdr.address)
MMIO_IO_ADDR: begin
cmd_io_addr <= t_ccip_clAddr'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_IO_ADDR: addr=%0h, data=0x%0h", $time, mmio_hdr.address, t_ccip_clAddr'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_MEM_ADDR: begin
cmd_mem_addr <= t_local_mem_addr'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_MEM_ADDR: addr=%0h, data=0x%0h", $time, mmio_hdr.address, t_local_mem_addr'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_DATA_SIZE: begin
cmd_data_size <= $bits(cmd_data_size)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_DATA_SIZE: addr=%0h, data=%0d", $time, mmio_hdr.address, $bits(cmd_data_size)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CMD_TYPE: begin
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CMD_TYPE: addr=%0h, data=%0d", $time, mmio_hdr.address, $bits(cmd_type)'(cp2af_sRxPort.c0.data));
`endif
end
`ifdef SCOPE
MMIO_SCOPE_WRITE: begin
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_SCOPE_WRITE: addr=%0h, data=%0h", $time, mmio_hdr.address, 64'(cp2af_sRxPort.c0.data));
`endif
end
`endif
MMIO_CSR_CORE: begin
cmd_csr_core <= $bits(cmd_csr_core)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_CORE: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_core)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CSR_ADDR: begin
cmd_csr_addr <= $bits(cmd_csr_addr)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_ADDR: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_addr)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CSR_DATA: begin
cmd_csr_wdata <= $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_DATA: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data));
`endif
end
default: begin
`ifdef DBG_PRINT_OPAE
$display("%t: Unknown MMIO Wr: addr=%0h, data=%0h", $time, mmio_hdr.address, $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data));
`endif
end
endcase
end
// serve MMIO read requests
if (cp2af_sRxPort.c0.mmioRdValid) begin
mmio_tx.hdr.tid <= mmio_hdr.tid; // copy TID
case (mmio_hdr.address)
// AFU header
16'h0000: mmio_tx.data <= {
4'b0001, // Feature type = AFU
8'b0, // reserved
4'b0, // afu minor revision = 0
7'b0, // reserved
1'b1, // end of DFH list = 1
24'b0, // next DFH offset = 0
4'b0, // afu major revision = 0
12'b0 // feature ID = 0
};
AFU_ID_L: mmio_tx.data <= afu_id[63:0]; // afu id low
AFU_ID_H: mmio_tx.data <= afu_id[127:64]; // afu id hi
16'h0006: mmio_tx.data <= 64'h0; // next AFU
16'h0008: mmio_tx.data <= 64'h0; // reserved
MMIO_STATUS: begin
mmio_tx.data <= 64'(state);
// serve MMIO write request
if (cp2af_sRxPort.c0.mmioWrValid) begin
case (mmio_hdr.address)
MMIO_IO_ADDR: begin
cmd_io_addr <= t_ccip_clAddr'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_IO_ADDR: addr=%0h, data=0x%0h", $time, mmio_hdr.address, t_ccip_clAddr'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_MEM_ADDR: begin
cmd_mem_addr <= t_local_mem_addr'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_MEM_ADDR: addr=%0h, data=0x%0h", $time, mmio_hdr.address, t_local_mem_addr'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_DATA_SIZE: begin
cmd_data_size <= $bits(cmd_data_size)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_DATA_SIZE: addr=%0h, data=%0d", $time, mmio_hdr.address, $bits(cmd_data_size)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CMD_TYPE: begin
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CMD_TYPE: addr=%0h, data=%0d", $time, mmio_hdr.address, $bits(cmd_type)'(cp2af_sRxPort.c0.data));
`endif
end
`ifdef SCOPE
MMIO_SCOPE_WRITE: begin
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_SCOPE_WRITE: addr=%0h, data=%0h", $time, mmio_hdr.address, 64'(cp2af_sRxPort.c0.data));
`endif
end
`endif
MMIO_CSR_CORE: begin
cmd_csr_core <= $bits(cmd_csr_core)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_CORE: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_core)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CSR_ADDR: begin
cmd_csr_addr <= $bits(cmd_csr_addr)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_ADDR: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_addr)'(cp2af_sRxPort.c0.data));
`endif
end
MMIO_CSR_DATA: begin
cmd_csr_wdata <= $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_DATA: addr=%0h, %0h", $time, mmio_hdr.address, $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data));
`endif
end
default: begin
`ifdef DBG_PRINT_OPAE
if (state != STATE_WIDTH'(mmio_tx.data)) begin
$display("%t: MMIO_STATUS: addr=%0h, state=%0d", $time, mmio_hdr.address, state);
end
`endif
end
MMIO_CSR_READ: begin
mmio_tx.data <= 64'(cmd_csr_rdata);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_READ: addr=%0h, data=%0h", $time, mmio_hdr.address, cmd_csr_rdata);
`endif
end
`ifdef SCOPE
MMIO_SCOPE_READ: begin
mmio_tx.data <= cmd_scope_rdata;
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_SCOPE_READ: addr=%0h, data=%0h", $time, mmio_hdr.address, cmd_scope_rdata);
$display("%t: Unknown MMIO Wr: addr=%0h, data=%0h", $time, mmio_hdr.address, $bits(cmd_csr_wdata)'(cp2af_sRxPort.c0.data));
`endif
end
endcase
end
// serve MMIO read requests
if (cp2af_sRxPort.c0.mmioRdValid) begin
case (mmio_hdr.address)
// AFU header
16'h0000: mmio_tx.data <= {
4'b0001, // Feature type = AFU
8'b0, // reserved
4'b0, // afu minor revision = 0
7'b0, // reserved
1'b1, // end of DFH list = 1
24'b0, // next DFH offset = 0
4'b0, // afu major revision = 0
12'b0 // feature ID = 0
};
AFU_ID_L: mmio_tx.data <= afu_id[63:0]; // afu id low
AFU_ID_H: mmio_tx.data <= afu_id[127:64]; // afu id hi
16'h0006: mmio_tx.data <= 64'h0; // next AFU
16'h0008: mmio_tx.data <= 64'h0; // reserved
MMIO_STATUS: begin
mmio_tx.data <= 64'(state);
`ifdef DBG_PRINT_OPAE
if (state != STATE_WIDTH'(mmio_tx.data)) begin
$display("%t: MMIO_STATUS: addr=%0h, state=%0d", $time, mmio_hdr.address, state);
end
`endif
default: begin
mmio_tx.data <= 64'h0;
`ifdef DBG_PRINT_OPAE
$display("%t: Unknown MMIO Rd: addr=%0h", $time, mmio_hdr.address);
`endif
end
endcase
mmio_tx.mmioRdValid <= 1; // post response
end
end
MMIO_CSR_READ: begin
mmio_tx.data <= 64'(cmd_csr_rdata);
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_CSR_READ: addr=%0h, data=%0h", $time, mmio_hdr.address, cmd_csr_rdata);
`endif
end
`ifdef SCOPE
MMIO_SCOPE_READ: begin
mmio_tx.data <= cmd_scope_rdata;
`ifdef DBG_PRINT_OPAE
$display("%t: MMIO_SCOPE_READ: addr=%0h, data=%0h", $time, mmio_hdr.address, cmd_scope_rdata);
`endif
end
`endif
default: begin
mmio_tx.data <= 64'h0;
`ifdef DBG_PRINT_OPAE
$display("%t: Unknown MMIO Rd: addr=%0h", $time, mmio_hdr.address);
`endif
end
endcase
end
end
@@ -687,6 +686,7 @@ always @(posedge clk) begin
cci_rd_req_enable <= 0;
cci_rd_req_wait <= 0;
cci_dram_wr_req_ctr <= 0;
cci_dram_wr_req_addr_unqual <= 0;
end
else begin
if ((STATE_IDLE == state)
@@ -819,6 +819,7 @@ begin
cci_wr_req_ctr <= 0;
cci_pending_writes <= 0;
cci_dram_rd_req_ctr <= 0;
cci_dram_rd_req_addr_unqual <= 0;
end
else begin
if ((STATE_IDLE == state)
@@ -871,6 +872,8 @@ end else begin
assign snp_req_size = cmd_data_size;
end
assign vx_snp_req_tag = (`VX_SNP_TAG_WIDTH)'(snp_req_ctr);
assign vx_snp_req_fire = vx_snp_req_valid && vx_snp_req_ready;
assign vx_snp_rsp_fire = vx_snp_rsp_valid && vx_snp_rsp_ready;
@@ -886,17 +889,14 @@ always @(posedge clk) begin
vx_snp_rsp_ready <= 0;
snp_req_ctr <= 0;
snp_rsp_ctr <= 0;
end
else begin
end else begin
if ((STATE_IDLE == state)
&& (CMD_CLFLUSH == cmd_type)) begin
vx_snp_req_addr <= snp_req_baseaddr;
vx_snp_req_tag <= 0;
snp_req_ctr <= 0;
snp_rsp_ctr <= snp_req_size;
vx_snp_req_valid <= (snp_req_size != 0);
vx_snp_req_addr <= snp_req_baseaddr;
vx_snp_rsp_ready <= (snp_req_size != 0);
snp_req_ctr <= 0;
snp_rsp_ctr <= snp_req_size;
end
if ((STATE_CLFLUSH == state)
@@ -909,11 +909,9 @@ always @(posedge clk) begin
vx_snp_rsp_ready <= 0;
end
if (vx_snp_req_fire)
begin
if (vx_snp_req_fire) begin
assert(snp_req_ctr < snp_req_size);
vx_snp_req_addr <= vx_snp_req_addr + `VX_DRAM_ADDR_WIDTH'(1);
vx_snp_req_tag <= (`VX_SNP_TAG_WIDTH)'(snp_req_ctr_next);
snp_req_ctr <= snp_req_ctr_next;
`ifdef DBG_PRINT_OPAE
$display("%t: AFU Snp Req: addr=%0h, tag=%0h, rem=%0d", $time, `DRAM_TO_BYTE_ADDR(vx_snp_req_addr), (`VX_SNP_TAG_WIDTH)'(vx_snp_req_tag), (snp_req_size - snp_req_ctr_next));
@@ -949,19 +947,19 @@ assign cmd_csr_done = (STATE_CSR_WRITE == state) ? vx_csr_io_req_ready : vx_csr_
always @(posedge clk) begin
if (reset) begin
csr_io_req_sent <= 0;
end
else begin
end else begin
if (vx_csr_io_req_valid && vx_csr_io_req_ready) begin
csr_io_req_sent <= 1;
end
if (cmd_csr_done) begin
csr_io_req_sent <= 0;
end
if ((STATE_CSR_READ == state)
&& vx_csr_io_rsp_ready
&& vx_csr_io_rsp_valid) begin
cmd_csr_rdata <= vx_csr_io_rsp_data;
end
end
if ((STATE_CSR_READ == state)
&& vx_csr_io_rsp_ready
&& vx_csr_io_rsp_valid) begin
cmd_csr_rdata <= vx_csr_io_rsp_data;
end
end