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x393_sata
Commit b2f9de10 authored by Alexey Grebenkin's avatar Alexey Grebenkin
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parent e551876b
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device/sata_phy_dev.v
View file @ b2f9de10
......@@ -292,13 +292,13 @@ ext_clock_buf(
GTXE2_CHANNEL #(
.SIM_RECEIVER_DETECT_PASS ("TRUE"),
.SIM_TX_EIDLE_DRIVE_LEVEL ("X"),
.SIM_TX_EIDLE_DRIVE_LEVEL ("Z"),
.SIM_RESET_SPEEDUP ("FALSE"),
.SIM_CPLLREFCLK_SEL (3'b001),
.SIM_VERSION ("4.0"),
.ALIGN_COMMA_DOUBLE ("FALSE"),
.ALIGN_COMMA_ENABLE (10'b1111111111),
.ALIGN_COMMA_WORD (1),
.ALIGN_COMMA_WORD (2),
.ALIGN_MCOMMA_DET ("TRUE"),
.ALIGN_MCOMMA_VALUE (10'b1010000011),
.ALIGN_PCOMMA_DET ("TRUE"),
......@@ -418,9 +418,9 @@ GTXE2_CHANNEL #(
.PD_TRANS_TIME_TO_P2 (8'h64),
.SAS_MAX_COM (64),
.SAS_MIN_COM (36),
.SATA_BURST_SEQ_LEN (4'b0111),
.SATA_BURST_VAL (3'b110),
.SATA_EIDLE_VAL (3'b110),
.SATA_BURST_SEQ_LEN (4'b0101),
.SATA_BURST_VAL (3'b100),
.SATA_EIDLE_VAL (3'b100),
.SATA_MAX_BURST (8),
.SATA_MAX_INIT (21),
.SATA_MAX_WAKE (7),
......@@ -729,13 +729,55 @@ gtx(
// align to 4-byte boundary
reg twobytes_shift;
reg onebyte_shift;
always @ (posedge clk)
twobytes_shift <= rst ? 1'b0 : rxchariscomma_gtx[0] === 1'bx ? 1'b0 : rxchariscomma_gtx[2] === 1'bx ? 1'b0 : rxchariscomma_gtx[2] ? 1'b1 : rxchariscomma_gtx[0] ? 1'b0 : twobytes_shift;
assign rxdata = twobytes_shift ? {rxdata_gtx[63:32] , rxdata_gtx[15:0] , rxdata_gtx[31:16] } : rxdata_gtx;
assign rxcharisk = twobytes_shift ? {rxcharisk_gtx[7:4] , rxcharisk_gtx[1:0] , rxcharisk_gtx[3:2] } : rxcharisk_gtx;
assign rxchariscomma = twobytes_shift ? {rxchariscomma_gtx[7:4], rxchariscomma_gtx[1:0], rxchariscomma_gtx[3:2]} : rxchariscomma_gtx;
assign rxdisperr = twobytes_shift ? {rxdisperr_gtx[7:4] , rxdisperr_gtx[1:0] , rxdisperr_gtx[3:2] } : rxdisperr_gtx;
assign rxnotintable = twobytes_shift ? {rxnotintable_gtx[7:4] , rxnotintable_gtx[1:0] , rxnotintable_gtx[3:2] } : rxnotintable_gtx;
twobytes_shift <= rst ? 1'b0 : rxchariscomma_gtx[0] === 1'bx | rxchariscomma_gtx[1] === 1'bx | rxchariscomma_gtx[2] === 1'bx | rxchariscomma_gtx[3] === 1'bx ? 1'b0
: rxchariscomma_gtx[2] | rxchariscomma_gtx[3] ? 1'b1 : rxchariscomma_gtx[0] | rxchariscomma_gtx[1] ? 1'b0 : twobytes_shift;
always @ (posedge clk)
onebyte_shift <= rst ? 1'b0 : rxchariscomma_gtx[0] === 1'bx | rxchariscomma_gtx[1] === 1'bx | rxchariscomma_gtx[2] === 1'bx | rxchariscomma_gtx[3] === 1'bx ? 1'b0
: rxchariscomma_gtx[1] | rxchariscomma_gtx[3] ? 1'b1 : rxchariscomma_gtx[0] | rxchariscomma_gtx[2] ? 1'b0 : onebyte_shift;
wire [31:0] shifted_rxdata;
wire [ 7:0] shifted_rxcharisk;
wire [ 7:0] shifted_rxchariscomma;
wire [ 7:0] shifted_rxdisperr;
wire [ 7:0] shifted_rxnotintable;
wire [ 1:0] shift_val = {twobytes_shift, onebyte_shift};
reg [31:0] rxdata_gtx_r ;
reg [ 7:0] rxcharisk_gtx_r ;
reg [ 7:0] rxchariscomma_gtx_r;
reg [ 7:0] rxdisperr_gtx_r ;
reg [ 7:0] rxnotintable_gtx_r ;
always @ (posedge clk)
begin
rxdata_gtx_r <= rxdata_gtx [31:0];
rxcharisk_gtx_r <= rxcharisk_gtx [ 3:0];
rxchariscomma_gtx_r <= rxchariscomma_gtx [ 3:0];
rxdisperr_gtx_r <= rxdisperr_gtx [ 3:0];
rxnotintable_gtx_r <= rxnotintable_gtx [ 3:0];
end
wire [63:0] rxdata_d = {rxdata_gtx [31:0], rxdata_gtx_r [31:0]};
wire [ 7:0] rxcharisk_d = {rxcharisk_gtx [ 3:0], rxcharisk_gtx_r [ 3:0]};
wire [ 7:0] rxchariscomma_d = {rxchariscomma_gtx[ 3:0], rxchariscomma_gtx_r [ 3:0]};
wire [ 7:0] rxdisperr_d = {rxdisperr_gtx [ 3:0], rxdisperr_gtx_r [ 3:0]};
wire [ 7:0] rxnotintable_d = {rxnotintable_gtx [ 3:0], rxnotintable_gtx_r [ 3:0]};
genvar ii;
generate
for (ii = 0; ii < 4; ii = ii + 1)
begin: ads
assign shifted_rxdata [ii*8 + 7:ii*8] = shift_val == 2'b11 ? rxdata_d[(ii + 3)*8 + 7:(ii + 3)*8] : shift_val == 2'b10 ? rxdata_d[(ii + 2)*8 + 7:(ii + 2)*8] : shift_val == 2'b01 ? rxdata_d[(ii + 1)*8 + 7:(ii + 1)*8] : rxdata_d[ii*8 + 7:ii*8];
assign shifted_rxcharisk [ii] = shift_val == 2'b11 ? rxcharisk_d [(ii + 3)] : shift_val == 2'b10 ? rxcharisk_d [(ii + 2)] : shift_val == 2'b01 ? rxcharisk_d [(ii + 1)] : rxcharisk_d [ii];
assign shifted_rxchariscomma[ii] = shift_val == 2'b11 ? rxchariscomma_d[(ii + 3)] : shift_val == 2'b10 ? rxchariscomma_d[(ii + 2)] : shift_val == 2'b01 ? rxchariscomma_d[(ii + 1)] : rxchariscomma_d[ii];
assign shifted_rxdisperr [ii] = shift_val == 2'b11 ? rxdisperr_d [(ii + 3)] : shift_val == 2'b10 ? rxdisperr_d [(ii + 2)] : shift_val == 2'b01 ? rxdisperr_d [(ii + 1)] : rxdisperr_d [ii];
assign shifted_rxnotintable [ii] = shift_val == 2'b11 ? rxnotintable_d [(ii + 3)] : shift_val == 2'b10 ? rxnotintable_d [(ii + 2)] : shift_val == 2'b01 ? rxnotintable_d [(ii + 1)] : rxnotintable_d [ii];
end
endgenerate
assign rxdata = {rxdata_gtx[63:32] , shifted_rxdata };
assign rxcharisk = {rxcharisk_gtx[7:4] , shifted_rxcharisk };
assign rxchariscomma = {rxchariscomma_gtx[7:4], shifted_rxchariscomma};
assign rxdisperr = {rxdisperr_gtx[7:4] , shifted_rxdisperr };
assign rxnotintable = {rxnotintable_gtx[7:4] , shifted_rxnotintable };
assign ll_err_out = rxdisperr[3:0] | rxnotintable[3:0];
......
dma/dma_regs.v
View file @ b2f9de10
......@@ -166,7 +166,7 @@ begin
reg04 <= rst ? 32'h0 : bram_wen & (bram_waddr[7:0] == 8'hf1) ? wdata : reg04;
reg08 <= rst ? 32'h0 : bram_wen & (bram_waddr[7:0] == 8'hf2) ? wdata : reg08;
reg0c <= rst ? 32'h0 : bram_wen & (bram_waddr[7:0] == 8'hf3) ? wdata : reg0c;
reg10 <= rst ? 32'h0 : dma_start_aclk ? 32'h0 : dma_done_aclk ? 32'hffffffff : reg10; // status reg
reg10 <= rst ? 32'h0 : dma_start_aclk ? 32'h0 : {31'h0, dma_done_aclk} ? 32'hffffffff : reg10; // status reg
reg14 <= rst ? 32'h0 : dma_done_aclk ? reg00 : reg14;
end
......
dma/sata_top.v
View file @ b2f9de10
......@@ -36,6 +36,7 @@
// reliable clock to source drp and cpll lock det circuits
input wire reliable_clk,
input wire hclk,
/*
* Commands interface
*/
......@@ -232,7 +233,7 @@ wire dma_type;
wire dma_start;
wire dma_done;
// axi-hp clock
wire hclk;
//wire hclk;
// dma_control <-> dma_adapter command iface
wire adp_busy;
wire [31:7] adp_addr;
......@@ -283,10 +284,9 @@ wire [63:0] buf_rdata;
wire rdata_done; // = membridge.is_last_in_page & membridge.afi_rready;
//assign rst = ARESETN;
// TODO
assign hclk = ACLK;
reg hrst;
always @ (posedge hclk)
hrst <= sata_rst;
axi_regs axi_regs(
// axi iface
......@@ -477,7 +477,7 @@ dma_control dma_control(
dma_adapter dma_adapter(
.clk (hclk),
.rst (sata_rst),
.rst (hrst),
// command iface
.cmd_type (adp_type),
.cmd_val (adp_val),
......@@ -530,8 +530,8 @@ V .MEMBRIDGE_ADDR (),
.FRAME_HEIGHT_BITS (),
.FRAME_WIDTH_BITS ()
)*/ membridge(
.mrst (sata_rst), // input
.hrst (ARESETN), // input
.mrst (hrst), // input
.hrst (hrst), // input
.mclk (hclk), // input
.hclk (hclk), // input
.cmd_ad (cmd_ad),
......
dma/top.v
View file @ b2f9de10
......@@ -153,10 +153,11 @@ sata_top sata_top(
.sclk (sclk),
// reliable clock to source drp and cpll lock det circuits
.reliable_clk (axi_aclk0),
.hclk (hclk),
.sata_rst (sata_rst),
.extrst (extrst),
.ACLK (axi_aclk),
.ARESETN (axi_rst | sata_rst),
.ACLK (axi_aclk0),
.ARESETN (axi_rst/* | sata_rst*/),
// AXI PS Master GP1: Read Address
.ARADDR (ARADDR),
.ARVALID (ARVALID),
......@@ -571,7 +572,7 @@ PS7 ps7_i (
// AXI PS Master GP1
// AXI PS Master GP1: Clock, Reset
.MAXIGP1ACLK (axi_aclk), // AXI PS Master GP1 Clock , input
.MAXIGP1ACLK (axi_aclk0), // AXI PS Master GP1 Clock , input
.MAXIGP1ARESETN (), // AXI PS Master GP1 Reset, output
// AXI PS Master GP1: Read Address
.MAXIGP1ARADDR (ARADDR), // AXI PS Master GP1 ARADDR[31:0], output
......
host/gtx_elastic.v
View file @ b2f9de10
......@@ -64,7 +64,7 @@ localparam HI = DEPTH_LOG2 - 1; // hi bus index
reg [22:0] ram [(1 << DEPTH_LOG2) - 1:0];
// data to/from fifo
wire [22:0] inram;
wire [22:0] outram;
reg [22:0] outram;
// adresses in their natural clock domains
reg [HI:0] rd_addr;
reg [HI:0] wr_addr;
......@@ -142,7 +142,8 @@ endgenerate
assign full = wr_addr == rd_addr_r + 1'b1;
assign empty = wr_addr_r == rd_addr;
assign outram = ram[rd_addr];
always @ (posedge rclk)
outram <= ram[rd_addr];
always @ (posedge wclk)
if (we)
......@@ -283,7 +284,7 @@ wire clr_skip2_align;
wire clr_wait_next_p;
wire clr_send_ack;
always @ (wclk)
always @ (posedge wclk)
next_prim_loaded <= state_wait_next_p;
assign state_bypass_rmv = ~state_wait1_align & ~state_skip1_align & ~state_wait2_align & ~state_skip2_align & ~state_wait_next_p & ~state_send_ack;
......@@ -388,11 +389,15 @@ always @ (posedge rclk)
// choose 1 of 2 words of ALIGNP
wire [22:0] align_word;
assign align_word = {outram[22], 22'h007B4A} & {23{~align_altern}} | {outram[22], 22'h014ABC} & {23{align_altern}};
assign align_word = {outram[22], 22'h007B4A} & {23{align_altern}} | {outram[22], 22'h014ABC} & {23{~align_altern}};
// output data would be valid the next clock they are issued
reg pause_read_r;
always @ (posedge rclk)
pause_read_r <= pause_read;
// read when compensation is not issued and when fifo gets required fullfillment
assign re = ~pause_read & fifo_stable;
assign outdata = {23{~pause_read}} & outram | {23{pause_read}} & align_word;
assign outdata = {23{~pause_read_r}} & outram | {23{pause_read_r}} & align_word;
// indicates last cycle before the next primitive
wire fword_strobe_correction;
reg fword_strobe;
......
host/gtx_wrap.v
View file @ b2f9de10
......@@ -74,12 +74,16 @@ module gtx_wrap #(
);
wire rxresetdone_gtx;
wire txresetdone_gtx;
wire wrap_rxreset_;
wire wrap_txreset_;
wire txresetdone_gtx;
reg rxresetdone_gtx_r;
reg txresetdone_gtx_r;
reg wrap_rxreset_;
reg wrap_txreset_;
// resets while PCS resets, active low
assign wrap_rxreset_ = rxuserrdy & rxresetdone_gtx;
assign wrap_txreset_ = txuserrdy & txresetdone_gtx;
always @ (posedge rxusrclk2)
wrap_rxreset_ <= rxuserrdy & rxresetdone_gtx_r;
always @ (posedge txusrclk2)
wrap_txreset_ <= txuserrdy & txresetdone_gtx_r;
wire [63:0] rxdata_gtx;
wire [7:0] rxcharisk_gtx;
......@@ -164,9 +168,19 @@ if (DATA_BYTE_WIDTH == 4) begin
.half_empty ()
);
assign txcomwake_gtx = txdata_resync_out[36];
assign txcominit_gtx = txdata_resync_out[37];
assign txelecidle_gtx = txdata_resync_out[38];
reg txcomwake_gtx_f;
reg txcominit_gtx_f;
reg txelecidle_gtx_f;
always @ (posedge txusrclk)
begin
txcomwake_gtx_f <= txdata_resync_out[36];
txcominit_gtx_f <= txdata_resync_out[37];
txelecidle_gtx_f <= txdata_resync_out[38];
end
assign txcomwake_gtx = txcomwake_gtx_f;
assign txcominit_gtx = txcominit_gtx_f;
assign txelecidle_gtx = txelecidle_gtx_f;
end
else
if (DATA_BYTE_WIDTH == 2) begin
......@@ -309,6 +323,8 @@ gtx_elastic(
*/
wire rxcomwakedet_gtx;
wire rxcominitdet_gtx;
reg rxcomwakedet_gtx_r;
reg rxcominitdet_gtx_r;
// insert resync if it's necessary
......@@ -323,15 +339,15 @@ if (DATA_BYTE_WIDTH == 4) begin
wire rxdata_resync_strobe;
wire [50:0] rxdata_resync_in;
wire [50:0] rxdata_resync_out;
reg [23:0] rxdata_resync_buf;
reg [25:0] rxdata_resync_buf;
assign rxdata_resync_strobe = lword_strobe;
assign rxdata_resync_in = {
isaligned, // 1
rxcomwakedet_gtx, // 1
rxcominitdet_gtx, // 1
rxresetdone_gtx, // 1
txresetdone_gtx, // 1
isaligned, // 1
rxcomwakedet_gtx_r | rxdata_resync_buf[25], // 1
rxcominitdet_gtx_r | rxdata_resync_buf[24], // 1
rxresetdone_gtx_r, // 1
txresetdone_gtx_r, // 1
elastic_full | rxdata_resync_buf[23], // 1
elastic_empty | rxdata_resync_buf[22], // 1
rxdisperr_els_out, // 2
......@@ -340,7 +356,7 @@ if (DATA_BYTE_WIDTH == 4) begin
rxdata_els_out, // 16
rxdata_resync_buf[21:0]}; // 22 / 51 total
always @ (posedge rxusrclk)
rxdata_resync_buf <= ~wrap_rxreset_ ? 24'h0 : ~rxdata_resync_strobe ? {elastic_full, elastic_empty, rxdisperr_els_out, rxnotintable_els_out, rxcharisk_els_out, rxdata_els_out} : rxdata_resync_buf;
rxdata_resync_buf <= ~wrap_rxreset_ ? 26'h0 : ~rxdata_resync_strobe ? {rxcomwakedet_gtx_r, rxcominitdet_gtx_r, elastic_full, elastic_empty, rxdisperr_els_out, rxnotintable_els_out, rxcharisk_els_out, rxdata_els_out} : rxdata_resync_buf;
always @ (posedge rxusrclk2)
rxdata_resync_nempty_r <= rxdata_resync_nempty;
......@@ -367,8 +383,8 @@ if (DATA_BYTE_WIDTH == 4) begin
assign rxcominitdet = rxdata_resync_out[48];
assign rxresetdone = rxdata_resync_out[47];
assign txresetdone = rxdata_resync_out[46];
assign rxelsfull = rxdata_resync_out[45];
assign rxelsempty = rxdata_resync_out[44];
assign rxelsfull = rxdata_resync_out[45];
assign rxelsempty = rxdata_resync_out[44];
assign rxdisperr[3:0] = {rxdata_resync_out[43:42], rxdata_resync_out[21:20]};
assign rxnotintable[3:0] = {rxdata_resync_out[41:40], rxdata_resync_out[19:18]};
assign rxcharisk[3:0] = {rxdata_resync_out[39:38], rxdata_resync_out[17:16]};
......@@ -378,10 +394,10 @@ else
if (DATA_BYTE_WIDTH == 2) begin
// no resync is needed => straightforward assignments
assign rxbyteisaligned = isaligned;
assign rxcomwakedet = rxcomwakedet_gtx;
assign rxcominitdet = rxcominitdet_gtx;
assign rxresetdone = rxresetdone_gtx;
assign txresetdone = txresetdone_gtx;
assign rxcomwakedet = rxcomwakedet_gtx_r;
assign rxcominitdet = rxcominitdet_gtx_r;
assign rxresetdone = rxresetdone_gtx_r;
assign txresetdone = txresetdone_gtx_r;
assign rxelsfull = elastic_full;
assign rxelsempty = elastic_empty;
assign rxdisperr[1:0] = rxdisperr_els_out;
......@@ -398,9 +414,25 @@ else begin
end
endgenerate
// latching gtx outputs, synchronous to RXUSRCLK2 = rxusrclk
always @ (posedge rxusrclk)
begin
rxcomwakedet_gtx_r <= rxcomwakedet_gtx;
rxcominitdet_gtx_r <= rxcominitdet_gtx;
rxresetdone_gtx_r <= rxresetdone_gtx;
txresetdone_gtx_r <= txresetdone_gtx;
end
wire txoutclk_gtx;
wire xclk_gtx;
wire xclk_mr;
BUFG bufg_txoutclk (.O(txoutclk),.I(txoutclk_gtx));
BUFR bufr_xclk (.O(xclk),.I(xclk_mr),.CE(1'b1),.CLR(1'b0));
BUFMR bufmr_xclk (.O(xclk_mr),.I(xclk_gtx));
GTXE2_CHANNEL #(
.SIM_RECEIVER_DETECT_PASS ("TRUE"),
.SIM_TX_EIDLE_DRIVE_LEVEL ("X"),
.SIM_TX_EIDLE_DRIVE_LEVEL ("Z"),
.SIM_RESET_SPEEDUP ("FALSE"),
.SIM_CPLLREFCLK_SEL (3'b001),
.SIM_VERSION ("4.0"),
......@@ -527,8 +559,8 @@ GTXE2_CHANNEL #(
.SAS_MAX_COM (64),
.SAS_MIN_COM (36),
.SATA_BURST_SEQ_LEN (4'b0110),
.SATA_BURST_VAL (3'b110),
.SATA_EIDLE_VAL (3'b110),
.SATA_BURST_VAL (3'b100),
.SATA_EIDLE_VAL (3'b100),
.SATA_MAX_BURST (8),
.SATA_MAX_INIT (21),
.SATA_MAX_WAKE (7),
......@@ -631,8 +663,8 @@ gtx(
.DRPRDY (),
.DRPWE (1'b0),
.GTREFCLKMONITOR (),
.QPLLCLK (/*gtrefclk*/),
.QPLLREFCLK (/*gtrefclk*/),
.QPLLCLK (1'b0/*gtrefclk*/),
.QPLLREFCLK (1'b0/*gtrefclk*/),
.RXSYSCLKSEL (2'b00),
.TXSYSCLKSEL (2'b00),
.DMONITOROUT (),
......@@ -657,8 +689,8 @@ gtx(
.RXCDRRESETRSV (1'b0),
.RXCLKCORCNT (),
.RX8B10BEN (1'b0),
.RXUSRCLK (rxusrclk),
.RXUSRCLK2 (rxusrclk),
.RXUSRCLK (xclk),
.RXUSRCLK2 (xclk),
.RXDATA (rxdata_gtx),
.RXPRBSERR (),
.RXPRBSSEL (3'd0),
......@@ -729,7 +761,7 @@ gtx(
.RXOSHOLD (1'b0),
.RXOSOVRDEN (1'b0),
.RXRATEDONE (),
.RXOUTCLK (xclk),
.RXOUTCLK (xclk_gtx),
.RXOUTCLKFABRIC (),
.RXOUTCLKPCS (),
.RXOUTCLKSEL (3'b010),
......@@ -806,7 +838,7 @@ gtx(
.TXDATA (txdata_gtx),
.GTXTXN (txn),
.GTXTXP (txp),
.TXOUTCLK (txoutclk),
.TXOUTCLK (txoutclk_gtx),
.TXOUTCLKFABRIC (),
.TXOUTCLKPCS (),
.TXOUTCLKSEL (3'b010),
......
host/link.v
View file @ b2f9de10
......@@ -99,7 +99,20 @@ module link #(
// to phy
output wire [DATA_BYTE_WIDTH*8 - 1:0] phy_data_out,
output wire [DATA_BYTE_WIDTH - 1:0] phy_isk_out // charisk
);
// latching data-primitives stream from phy
reg [DATA_BYTE_WIDTH*8 - 1:0] phy_data_in_r;
reg [DATA_BYTE_WIDTH - 1:0] phy_isk_in_r; // charisk
reg [DATA_BYTE_WIDTH - 1:0] phy_err_in_r; // disperr | notintable
always @ (posedge clk)
begin
phy_data_in_r <= phy_data_in;
phy_isk_in_r <= phy_isk_in;
phy_err_in_r <= phy_err_in;
end
wire frame_done;
// scrambled data
wire [DATA_BYTE_WIDTH*8 - 1:0] scrambler_out;
......@@ -494,7 +507,7 @@ scrambler scrambler(
.val_in (select_prim[CODE_DATA] | inc_is_data),
.data_in (crc_dword & {DATA_BYTE_WIDTH*8{select_prim[CODE_CRC]}} |
data_in & {DATA_BYTE_WIDTH*8{select_prim[CODE_DATA]}} |
phy_data_in & {DATA_BYTE_WIDTH*8{inc_is_data}}),
phy_data_in_r & {DATA_BYTE_WIDTH*8{inc_is_data}}),
.data_out (scrambler_out)
);
......@@ -557,24 +570,24 @@ assign incom_invalidate = state_rcvr_eof & crc_bad & ~alignes_pair | state_rcvr
// shows that incoming primitive or data is ready to be processed // TODO somehow move alignes_pair into dword_val
assign dword_val = |rcvd_dword & phy_ready & ~rcvd_dword[CODE_ALIGNP];
// determine imcoming primitive type
assign rcvd_dword[CODE_DATA] = ~|phy_isk_in;
assign rcvd_dword[CODE_DATA] = ~|phy_isk_in_r;
assign rcvd_dword[CODE_CRC] = 1'b0;
assign rcvd_dword[CODE_SYNCP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_SYNCP ] == phy_data_in;
assign rcvd_dword[CODE_ALIGNP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_ALIGNP] == phy_data_in;
assign rcvd_dword[CODE_XRDYP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_XRDYP ] == phy_data_in;
assign rcvd_dword[CODE_SOFP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_SOFP ] == phy_data_in;
assign rcvd_dword[CODE_HOLDAP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_HOLDAP] == phy_data_in;
assign rcvd_dword[CODE_HOLDP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_HOLDP ] == phy_data_in;
assign rcvd_dword[CODE_EOFP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_EOFP ] == phy_data_in;
assign rcvd_dword[CODE_WTRMP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_WTRMP ] == phy_data_in;
assign rcvd_dword[CODE_RRDYP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_RRDYP ] == phy_data_in;
assign rcvd_dword[CODE_IPP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_IPP ] == phy_data_in;
assign rcvd_dword[CODE_DMATP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_DMATP ] == phy_data_in;
assign rcvd_dword[CODE_OKP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_OKP ] == phy_data_in;
assign rcvd_dword[CODE_ERRP] = phy_isk_in[0] == 1'b1 & ~|phy_isk_in[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_ERRP ] == phy_data_in;
assign rcvd_dword[CODE_SYNCP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_SYNCP ] == phy_data_in_r;
assign rcvd_dword[CODE_ALIGNP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_ALIGNP] == phy_data_in_r;
assign rcvd_dword[CODE_XRDYP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_XRDYP ] == phy_data_in_r;
assign rcvd_dword[CODE_SOFP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_SOFP ] == phy_data_in_r;
assign rcvd_dword[CODE_HOLDAP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_HOLDAP] == phy_data_in_r;
assign rcvd_dword[CODE_HOLDP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_HOLDP ] == phy_data_in_r;
assign rcvd_dword[CODE_EOFP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_EOFP ] == phy_data_in_r;
assign rcvd_dword[CODE_WTRMP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_WTRMP ] == phy_data_in_r;
assign rcvd_dword[CODE_RRDYP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_RRDYP ] == phy_data_in_r;
assign rcvd_dword[CODE_IPP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_IPP ] == phy_data_in_r;
assign rcvd_dword[CODE_DMATP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_DMATP ] == phy_data_in_r;
assign rcvd_dword[CODE_OKP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_OKP ] == phy_data_in_r;
assign rcvd_dword[CODE_ERRP] = phy_isk_in_r[0] == 1'b1 & ~|phy_isk_in_r[DATA_BYTE_WIDTH-1:1] & prim_data[CODE_ERRP ] == phy_data_in_r;
// phy level errors handling TODO
assign dec_err = |phy_err_in;
assign dec_err = |phy_err_in_r;
// form a response to transport layer
assign frame_done = frame_done_good | frame_done_bad;
......@@ -586,7 +599,7 @@ assign frame_done_bad = state_wait & dword_val & rcvd_dword[CODE_ERRP];
always @ (posedge clk)
if (~|rcvd_dword & phy_ready)
begin
$display("%m: invalid primitive recieved : %h, conrol : %h, err : %h", phy_data_in, phy_isk_in, phy_err_in);
$display("%m: invalid primitive recieved : %h, conrol : %h, err : %h", phy_data_in_r, phy_isk_in_r, phy_err_in_r);
$finish;
end
// States checker
......@@ -663,4 +676,9 @@ end
`endif
`ifdef LA
`endif
endmodule
host/sata_phy.v
View file @ b2f9de10
......@@ -184,9 +184,26 @@ always @ (posedge gtrefclk)
*/
wire usrpll_locked;
// make tx/rxreset synchronous to gtrefclk - gather singals from different domains: async, aclk, usrclk2, gtrefclk
reg rxreset_f;
reg txreset_f;
reg rxreset_f_r;
reg txreset_f_r;
reg rxreset_f_rr;
reg txreset_f_rr;
always @ (posedge gtrefclk)
begin
rxreset_f <= ~cplllock | cpllreset | rxreset_oob & gtx_configured;
txreset_f <= ~cplllock | cpllreset;
txreset_f_r <= txreset_f;
rxreset_f_r <= rxreset_f;
txreset_f_rr <= txreset_f_r;
rxreset_f_rr <= rxreset_f_r;
end
assign rxreset = rxreset_f_rr;
assign txreset = txreset_f_rr;
assign cpllreset = extrst;
assign rxreset = ~cplllock | cpllreset | rxreset_oob & gtx_configured;
assign txreset = ~cplllock | cpllreset;
assign rxuserrdy = usrpll_locked & cplllock & ~cpllreset & ~rxreset & rxeyereset_done & sata_reset_done;
assign txuserrdy = usrpll_locked & cplllock & ~cpllreset & ~txreset & txpmareset_done & sata_reset_done;
......
synt/top_timing.xdc
View file @ b2f9de10
# clock, received via FCLK input from PS7
# barely used for now
create_clock -name axi_aclk0 -period 20.000 -waveform {0.000 10.000} {get_nets axi_aclk0}
create_clock -name axi_aclk0 -period 20.000 -waveform {0.000 10.000} [get_nets axi_aclk0]
# external clock 150Mhz
create_clock -name gtrefclk -period 6.666 -waveform {0.000 3.333} {get_nets sata_top.sata_host.sata_phy.gtrefclk}
create_clock -name gtrefclk -period 6.666 -waveform {0.000 3.333} [get_nets sata_top/sata_host/phy/gtrefclk]
# after plls inside of GTX:
create_clock -name txoutclk -period 13.333 -waveform {0.000 6.666} {get_nets sata_top.sata_host.sata_phy.txoutclk}
create_clock -name txoutclk -period 6.666 -waveform {0.000 3.333} [get_nets sata_top/sata_host/phy/txoutclk]
# txoutclk -> userpll, which gives us 2 clocks: userclk and userclk2. The second one is sata host clk
create_generate_clock -name usrclk -source [get_clocks txoutclk] -multiply_by 2 [get_nets sata_top.sata_host.sata_phy.usrclk]
create_generate_clock -name sclk -source [get_clocks txoutclk] [get_nets sata_top.sata_host.sata_phy.usrclk2]
# recovered sata parallel clock
create_clock -name xclk -period 6.666 -waveform {0.000 3.333} [get_nets sata_top/sata_host/phy/gtx_wrap/xclk]
# txoutclk -> userpll, which gives us 2 clocks: userclk and userclk2. The second one is sata host clk
create_generated_clock -name usrclk [get_nets sata_top/sata_host/phy/CLK]
create_generated_clock -name sclk [get_nets sata_top/sata_host/phy/clk]
tb/test_top.v
View file @ b2f9de10
......@@ -187,6 +187,9 @@ begin
/* for (i = 0; i < 32; i = i + 1) begin
$display("data received : %h", dev.receive_data[i]);
end*/
RST = 1'b1;
repeat (2000) @(posedge EXTCLK_P) ;
$display("============= DONE =============");
$finish;
......@@ -240,7 +243,7 @@ begin
end
*/
initial begin
#150000;
#200000;
$display("[Test] Failed");
$display("============= TIMELIMIT =============");
$finish;
......
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