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x393_sata
Commit 9f7bbe7d authored by Alexey Grebenkin's avatar Alexey Grebenkin
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Added gtx wrapper to implement PCS features beyond gtx inself

parent bcfe20f6
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Showing with 551 additions and 443 deletions
device/sata_phy_dev.v
View file @ 9f7bbe7d
......@@ -60,7 +60,15 @@ wire [31:0] txdata_oob;
wire [3:0] txcharisk;
wire [3:0] txcharisk_oob;
wire [63:0] rxdata;
wire [3:0] rxcharisk;
wire [63:0] rxdata_gtx;
wire [7:0] rxcharisk;
wire [7:0] rxcharisk_gtx;
wire [7:0] rxchariscomma;
wire [7:0] rxchariscomma_gtx;
wire [7:0] rxdisperr;
wire [7:0] rxdisperr_gtx;
wire [7:0] rxnotintable;
wire [7:0] rxnotintable_gtx;
wire [31:0] rxdata_out;
wire [31:0] txdata_in;
wire [3:0] txcharisk_in;
......@@ -546,15 +554,15 @@ gtx(
.RX8B10BEN (1'b1),
.RXUSRCLK (rxusrclk),
.RXUSRCLK2 (rxusrclk2),
.RXDATA (rxdata),
.RXDATA (rxdata_gtx),
.RXPRBSERR (),
.RXPRBSSEL (3'd0),
.RXPRBSCNTRESET (1'b0),
.RXDFEXYDEN (1'b1),
.RXDFEXYDHOLD (1'b0),
.RXDFEXYDOVRDEN (1'b0),
.RXDISPERR (),
.RXNOTINTABLE (),
.RXDISPERR (rxdisperr_gtx),
.RXNOTINTABLE (rxnotintable_gtx),
.GTXRXP (rxp),
.GTXRXN (rxn),
.RXBUFRESET (1'b0),
......@@ -637,8 +645,8 @@ gtx(
.RXELECIDLEMODE (2'b00),
.RXPOLARITY (1'b0),
.RXSLIDE (1'b0),
.RXCHARISCOMMA (),
.RXCHARISK (rxcharisk),
.RXCHARISCOMMA (rxchariscomma_gtx),
.RXCHARISK (rxcharisk_gtx),
.RXCHBONDI (5'b00000),
.RXRESETDONE (rxresetdone),
.RXQPIEN (1'b0),
......@@ -722,6 +730,16 @@ gtx(
.TXSYNCIN (1'b0)*/
);
// align to 4-byte boundary
reg twobytes_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;
/*
* Interfaces
*/
......
dma/sata_top.v
View file @ 9f7bbe7d
......@@ -30,6 +30,8 @@
*/
module sata_top(
output wire sclk,
output wire sata_rst,
input wire extrst,
/*
* Commands interface
*/
......@@ -146,7 +148,7 @@
input wire EXTCLK_N
);
wire sata_rst;
//wire sata_rst;
// dma_regs <-> sata host
// tmp to cmd control
wire cmd_val_out;
......@@ -223,7 +225,7 @@ wire bram_wen;
wire bram_ren;
wire bram_regen;
// sata logic reset
wire rst;
//wire rst;
// sata clk
//wire sclk;
// dma_regs <-> dma_control
......@@ -284,7 +286,7 @@ wire [63:0] buf_rdata;
// additional adapter <-> membridge wire
wire rdata_done; // = membridge.is_last_in_page & membridge.afi_rready;
assign rst = ARESETN;
//assign rst = ARESETN;
axi_regs axi_regs(
......@@ -344,7 +346,7 @@ axi_regs axi_regs(
* Programmable sata controller registers
*/
dma_regs dma_regs(
.rst (rst),
.rst (sata_rst),
.ACLK (ACLK),
.sclk (sclk),
// control iface
......@@ -436,7 +438,7 @@ dma_regs dma_regs(
dma_control dma_control(
.sclk (sclk),
.hclk (hclk),
.rst (rst),
.rst (sata_rst),
// registers iface
.mem_address (mem_address),
......@@ -484,7 +486,7 @@ dma_control dma_control(
dma_adapter dma_adapter(
.clk (hclk),
.rst (rst),
.rst (sata_rst),
// command iface
.cmd_type (adp_type),
.cmd_val (adp_val),
......@@ -537,8 +539,8 @@ V .MEMBRIDGE_ADDR (),
.FRAME_HEIGHT_BITS (),
.FRAME_WIDTH_BITS ()
)*/ membridge(
.mrst (rst), // input
.hrst (rst), // input
.mrst (sata_rst), // input
.hrst (ARESETN), // input
.mclk (hclk), // input
.hclk (hclk), // input
.cmd_ad (cmd_ad),
......@@ -611,7 +613,7 @@ V .MEMBRIDGE_ADDR (),
assign rdata_done = 1'b0;
sata_host sata_host(
.extrst (rst),
.extrst (extrst),
// sata rst
.rst (sata_rst),
// sata clk
......
dma/top.v
View file @ 9f7bbe7d
......@@ -43,6 +43,8 @@ wire [32*REGISTERS_CNT - 1:0] outmem;
wire clrstart;
wire sclk;
wire sata_rst;
wire extrst;
wire [3:0] fclk;
wire [3:0] frst;
wire axi_aclk;
......@@ -166,6 +168,7 @@ end
BUFG bufg_axi_aclk_i (.O(axi_aclk),.I(/*fclk[0]*/ sclk));
BUFG bufg_axi_aclk0_i (.O(axi_aclk0),.I(fclk[0]));
BUFG bufg_axi_rst_i (.O(axi_rst),.I(axi_rst_pre));
BUFG bufg_extrst_i (.O(extrst),.I(axi_rst_pre));
axi_hp_clk #(
.CLKIN_PERIOD(6.666),
.CLKFBOUT_MULT_AXIHP(6),
......@@ -179,8 +182,10 @@ axi_hp_clk #(
sata_top sata_top(
.sclk (sclk),
.sata_rst (sata_rst),
.extrst (extrst),
.ACLK (axi_aclk),
.ARESETN (axi_rst),
.ARESETN (axi_rst | sata_rst),
// AXI PS Master GP1: Read Address
.ARADDR (ARADDR),
.ARVALID (ARVALID),
......
host/gtx_10x8dec.v
View file @ 9f7bbe7d
......@@ -52,14 +52,14 @@ assign addr1 = indata[19:10];
// get decoded values after 2 clock cycles, all '1's = cannot be decoded
wire [15:0] table0_out;
wire [15:0] table1_out;
wire [9:0] table0;
wire [9:0] table1;
assign table0 = table0_out[9:0];
assign table1 = table1_out[9:0];
wire [10:0] table0;
wire [10:0] table1;
assign table0 = table0_out[10:0];
assign table1 = table1_out[10:0];
assign outdata = {table1[7:0], table0[7:0]};
assign outisk = {table1[8], table0[8]};
assign notintable = {|table1, |table0};
assign notintable = {&table1, &table0};
// disparity control
// last clock disparity
......@@ -68,11 +68,13 @@ reg disparity;
wire disparity_interm;
// delayed ones
reg disp0_r;
reg disp0_rr;
reg disp1_r;
reg disp1_rr;
always @ (posedge clk)
begin
disp0_r <= disparity;
disp0_rr <= disp0_r;
disp1_r <= disparity_interm;
disp1_rr <= disp1_r;
end
......@@ -81,8 +83,8 @@ end
wire expected_disparity;
wire expected_disparity_interm;
assign expected_disparity = disp0_r;
assign expected_disparity_interm = disp1_rr;
assign expected_disparity = disp0_rr ^ correct_table_disp;
assign expected_disparity_interm = disp1_rr ^ correct_table_disp;
// invert disparity after a byte
// if current encoded word containg an equal amount of 1s and 0s (i.e. 5 x '1'), disp shall stay the same
......@@ -99,15 +101,22 @@ always @ (posedge clk)
// to correct disparity if once an error occured
reg correct_table_disp;
always @ (posedge clk)
correct_table_disp <= rst ? 1'b0 : disperror ? ~correct_table_disp : correct_table_disp;
correct_table_disp <= rst ? 1'b0 : disperror[1] ? ~correct_table_disp : correct_table_disp;
// calculate disparity on table values
wire table_disp0;
wire table_disp1;
assign table_disp0 = table0[9] ^ correct_table_disp;
assign table_disp1 = table1[9] ^ correct_table_disp;
wire table_pos_disp0;
wire table_neg_disp0;
wire table_pos_disp1;
wire table_neg_disp1;
// table_pos_disp - for current 10-bit word disparity can be positive
// _neg_ - can be negative
// neg & pos - can be either of them
assign table_pos_disp0 = table0[10];
assign table_neg_disp0 = table0[9];
assign table_pos_disp1 = table1[10];
assign table_neg_disp1 = table1[9];
assign disperror = {table_disp0 == expected_disparity, table_disp1 == expected_disparity_interm};
assign disperror = ~{table_pos_disp0 & expected_disparity | table_neg_disp0 & ~expected_disparity, table_pos_disp1 & expected_disparity_interm | table_neg_disp1 & ~expected_disparity_interm};
// TODO change mem to 18 instead of 36, so the highest address bit could be dropped
ramt_var_w_var_r #(
......
host/gtx_10x8dec_geninit.py
View file @ 9f7bbe7d
# left_column[9] = disparity
# left_column[8] = conrtol
# left_column[7:0] = decoded 8
# right column[9:0] = encoded 10 in correct order : abcdefgh. Need to flip it, because gtx spits out flipped data with flipped bit order
#
mem7f = []
for i in range(0x80):
mem7f.append(0);
i = 0
filecontent = {}
for line in open('gtx_10x8dec_init_stub.v').readlines():
addr = int('0b' + line.split()[1], 2)
a = int('0b' + line.split()[0], 2)
mem7f[addr >> 4] = (mem7f[addr >> 4] << 16) + a
i += 1
address_flipped_str = line.split()[1];
address_str = address_flipped_str[::-1]
address = int('0b' + address_str, 2)
# retrieve everything but disparity - highest bit
value = int('0b' + line.split()[0][1:], 2)
# retrieve disparity
disparity = int('0b' + line.split()[0][0], 2)
# if disparity = 1 -> flag positive disparity, 0 -> flag negative one
disp_pos = 1 if disparity == 1 else 0
disp_neg = 1 if disparity == 0 else 0
if address_str in filecontent:
disp_pos = 1 if filecontent[address_str][1] == 1 or disp_pos else 0
disp_neg = 1 if filecontent[address_str][2] == 1 or disp_neg else 0
filecontent[address_str] = [address, disp_pos, disp_neg, value];
for key in filecontent:
(address, disp_pos, disp_neg, value) = filecontent[key]
# if address == 0x2aa:
# print '2AA: ADDR>>4 = %X' % (address >> 4),' ADDR = ', bin(address), ' POS DISP = ', bin(disp_pos), ' NEG DISP = ', bin(disp_neg), ' VALUE = ', bin(value)
# print 'ADDR = ', bin(address), ' POS DISP = ', bin(disp_pos), ' NEG DISP = ', bin(disp_neg), ' VALUE = ', bin(value)
to_mem = (disp_pos << 10) + (disp_neg << 9) + value
mem7f[address >> 4] = mem7f[address >> 4] + (to_mem << ((address % 16) * 16))
# if (address >> 4) == 0x2a:
# print '2AA: ADDR = %X, to mem = %X, total = %X ' % ((address ),to_mem, mem7f[address >> 4])#, ' ADDR = ', bin(address), ' POS DISP = ', bin(disp_pos), ' NEG DISP = ', bin(disp_neg), ' VALUE = ', bin(value)
# if addr == 0x2aa:
# print "FLIPPED ADDR %s " % address_flipped_str, "ADDR %x " % addr, "ADDR7f %x " % (addr >> 4), "VALUE %x " % a
for i in range(0x80):
print ', .INIT_%02X\t(256\'h%064X)' % (i, mem7f[i])
host/gtx_10x8dec_init.v
View file @ 9f7bbe7d
......@@ -2,62 +2,62 @@
, .INIT_01 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_02 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_03 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_04 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_05 (256'h00000000000000000000000000000217023702570277029702B702D702F703F7)
, .INIT_06 (256'h000000000000000000000000000000000208022802480268028802A802C802E8)
, .INIT_07 (256'h000000000000000000000000000000000207022702470267028702A702C702E7)
, .INIT_08 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_09 (256'h0000000000000000000000000000021B023B025B027B029B02BB02DB02FB03FB)
, .INIT_0A (256'h000000000000000000000000000000000204022402440264028402A402C402E4)
, .INIT_0B (256'h001402140034023400540254007402740094029400B402B400D402D400F402F4)
, .INIT_0C (256'h000000000000000000000000000000000218023802580278029802B802D802F8)
, .INIT_0D (256'h000C020C002C022C004C024C006C026C008C028C00AC02AC00CC02CC00EC02EC)
, .INIT_0E (256'h001C021C003C023C005C025C007C027C009C029C00BC02BC00DC02DC00FC02FC)
, .INIT_0F (256'h00000000000000000000000000000000011C013C015C017C019C01BC01DC01FC)
, .INIT_10 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_11 (256'h0000000000000000000000000000021D023D025D027D029D02BD02DD02FD03FD)
, .INIT_12 (256'h000000000000000000000000000000000202022202420262028202A202C202E2)
, .INIT_13 (256'h001202120032023200520252007202720092029200B202B200D202D200F202F2)
, .INIT_14 (256'h00000000000000000000000000000000021F023F025F027F029F02BF02DF02FF)
, .INIT_15 (256'h000A020A002A022A004A024A006A026A008A028A00AA02AA00CA02CA00EA02EA)
, .INIT_16 (256'h001A021A003A023A005A025A007A027A009A029A00BA02BA00DA02DA00FA02FA)
, .INIT_17 (256'h00000000000000000000000000000000000F002F004F006F008F00AF00CF00EF)
, .INIT_18 (256'h000000000000000000000000000000000200022002400260028002A002C002E0)
, .INIT_19 (256'h000602060026022600460246006602660086028600A602A600C602C600E602E6)
, .INIT_1A (256'h001602160036023600560256007602760096029600B602B600D602D600F602F6)
, .INIT_1B (256'h000000000000000000000000000000000010003000500070009000B000D000F0)
, .INIT_1C (256'h000E020E002E022E004E024E006E026E008E028E00AE02AE00CE02CE00EE02EE)
, .INIT_1D (256'h000000000000000000000000000000000001002100410061008100A100C100E1)
, .INIT_1E (256'h0000000000000000000000000000001E003E005E007E009E00BE00DE00FE01FE)
, .INIT_04 (256'h000004EE04ED000004EB00000000000000000000000000000000000000000000)
, .INIT_05 (256'h000003FE03FD000003FB00000000000003F70000000000000000000000000000)
, .INIT_06 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_07 (256'h00000000000003FC000000000000000000000000000000000000000000000000)
, .INIT_08 (256'h0000040E040D0000040B00000000000000000000000000000000000000000000)
, .INIT_09 (256'h0000021E021D041C021B041A0419000002170416041500000413000000000000)
, .INIT_0A (256'h000002010202040C0204040A0409000002080406040500000403000000000000)
, .INIT_0B (256'h000000000000031C0000020F0200040700000210021F04140218041204110000)
, .INIT_0C (256'h0000026E026D0478026B047F0470000002670460046F0000057C000000000000)
, .INIT_0D (256'h000000000000027C0000027A0279046800000276027504640273046204610000)
, .INIT_0E (256'h000000000000026C0000026A02690477000002660265047B0263047D047E0000)
, .INIT_0F (256'h0000000000000000000000000000000000000000000002740000027202710000)
, .INIT_10 (256'h0000048E048D0000048B00000000000000000000000000000000000000000000)
, .INIT_11 (256'h0000029E029D049C029B049A0499000002970496049500000493000000000000)
, .INIT_12 (256'h000002810282048C0284048A0489000002880486048500000483000000000000)
, .INIT_13 (256'h000000000000039C0000028F0280048700000290029F04940298049204910000)
, .INIT_14 (256'h000006AE06AD04B806AB04BF04B0000002A704A004AF0000055C000000000000)
, .INIT_15 (256'h000002BE02BD06BC02BB06BA06B904A802B706B606B504A406B304A204A10000)
, .INIT_16 (256'h000002A102A206AC02A406AA06A904B702A806A606A504BB06A304BD04BE0000)
, .INIT_17 (256'h00000000000003BC000002AF02A004A7000002B002BF06B402B806B206B10000)
, .INIT_18 (256'h000006CE06CD04D806CB04DF04D0000002C704C004CF0000053C000000000000)
, .INIT_19 (256'h000002DE02DD06DC02DB06DA06D904C802D706D606D504C406D304C204C10000)
, .INIT_1A (256'h000002C102C206CC02C406CA06C904D702C806C606C504DB06C304DD04DE0000)
, .INIT_1B (256'h00000000000003DC000002CF02C004C7000002D002DF06D402D806D206D10000)
, .INIT_1C (256'h000002EE02ED04F802EB04FF04F0000002E704E004EF00000000000000000000)
, .INIT_1D (256'h00000000000002FC000002FA02F904E8000002F602F504E402F304E204E10000)
, .INIT_1E (256'h00000000000002EC000002EA02E904F7000002E602E504FB02E304FD04FE0000)
, .INIT_1F (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_20 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_21 (256'h0000000000000000000000000000021E023E025E027E029E02BE02DE02FE03FE)
, .INIT_22 (256'h000000000000000000000000000000000201022102410261028102A102C102E1)
, .INIT_23 (256'h001102110031023100510251007102710091029100B102B100D102D100F102F1)
, .INIT_24 (256'h000000000000000000000000000000000210023002500270029002B002D002F0)
, .INIT_25 (256'h000902090029022900490249006902690089028900A902A900C902C900E902E9)
, .INIT_26 (256'h001902190039023900590259007902790099029900B902B900D902D900F902F9)
, .INIT_27 (256'h000000000000000000000000000000000000002000400060008000A000C000E0)
, .INIT_28 (256'h00000000000000000000000000000000020F022F024F026F028F02AF02CF02EF)
, .INIT_29 (256'h000502050025022500450245006502650085028500A502A500C502C500E502E5)
, .INIT_2A (256'h001502150035023500550255007502750095029500B502B500D502D500F502F5)
, .INIT_2B (256'h00000000000000000000000000000000001F003F005F007F009F00BF00DF00FF)
, .INIT_2C (256'h000D020D002D022D004D024D006D026D008D028D00AD02AD00CD02CD00ED02ED)
, .INIT_2D (256'h000000000000000000000000000000000002002200420062008200A200C200E2)
, .INIT_2E (256'h0000000000000000000000000000001D003D005D007D009D00BD00DD00FD01FD)
, .INIT_2F (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_30 (256'h00000000000000000000000000000000031C033C035C037C039C03BC03DC03FC)
, .INIT_31 (256'h000302030023022300430243006302630083028300A302A300C302C300E302E3)
, .INIT_32 (256'h001302130033023300530253007302730093029300B302B300D302D300F302F3)
, .INIT_33 (256'h000000000000000000000000000000000018003800580078009800B800D800F8)
, .INIT_34 (256'h000B020B002B022B004B024B006B026B008B028B00AB02AB00CB02CB00EB02EB)
, .INIT_35 (256'h000000000000000000000000000000000004002400440064008400A400C400E4)
, .INIT_36 (256'h0000000000000000000000000000001B003B005B007B009B00BB00DB00FB01FB)
, .INIT_37 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_38 (256'h000000000000000000000000000000000007002700470067008700A700C700E7)
, .INIT_39 (256'h000000000000000000000000000000000008002800480068008800A800C800E8)
, .INIT_3A (256'h00000000000000000000000000000017003700570077009700B700D700F701F7)
, .INIT_3B (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_21 (256'h000002FE02FD04FC02FB04FA04F9000002F704F604F5000004F3000000000000)
, .INIT_22 (256'h000002E102E204EC02E404EA04E9000002E804E604E5000004E3000000000000)
, .INIT_23 (256'h0000000000000000000002EF02E004E7000002F002FF04F402F804F204F10000)
, .INIT_24 (256'h0000062E062D0438062B043F0430000002270420042F000005DC000000000000)
, .INIT_25 (256'h0000023E023D063C023B063A0639042802370636063504240633042204210000)
, .INIT_26 (256'h000002210222062C0224062A06290437022806260625043B0623043D043E0000)
, .INIT_27 (256'h000000000000033C0000022F0220042700000230023F06340238063206310000)
, .INIT_28 (256'h0000064E064D0458064B045F0450000002470440044F000005BC000000000000)
, .INIT_29 (256'h0000025E025D065C025B065A0659044802570656065504440653044204410000)
, .INIT_2A (256'h000002410242064C0244064A06490457024806460645045B0643045D045E0000)
, .INIT_2B (256'h000000000000035C0000024F0240044700000250025F06540258065206510000)
, .INIT_2C (256'h0000028E028D0498028B049F0490000002870480048F0000059C000000000000)
, .INIT_2D (256'h000000000000029C0000029A0299048800000296029504840293048204810000)
, .INIT_2E (256'h000000000000028C0000028A02890497000002860285049B0283049D049E0000)
, .INIT_2F (256'h0000000000000000000000000000000000000000000002940000029202910000)
, .INIT_30 (256'h0000046E046D0000046B00000000000000000000000000000000000000000000)
, .INIT_31 (256'h0000027E027D047C027B047A0479000002770476047500000473000000000000)
, .INIT_32 (256'h000002610262046C0264046A0469000002680466046500000463000000000000)
, .INIT_33 (256'h000000000000037C0000026F0260046700000270027F04740278047204710000)
, .INIT_34 (256'h0000020E020D0418020B041F0410000002070400040F0000051C000000000000)
, .INIT_35 (256'h000000000000021C0000021A0219040800000216021504040213040204010000)
, .INIT_36 (256'h000000000000020C0000020A02090417000002060205041B0203041D041E0000)
, .INIT_37 (256'h0000000000000000000000000000000000000000000002140000021202110000)
, .INIT_38 (256'h00000000000000000000000000000000000000000000000005FC000000000000)
, .INIT_39 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3A (256'h000000000000000000000000000005F700000000000005FB000005FD05FE0000)
, .INIT_3B (256'h0000000000000000000000000000000000000000000002F4000002F202F10000)
, .INIT_3C (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3D (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3E (256'h0000000000000000000000000000000000000000000000000000000000000000)
......
host/gtx_8x10enc.v
View file @ 9f7bbe7d
......@@ -65,8 +65,8 @@ always @ (posedge clk)
// select encoded bytes depending on a previous disparity
assign enc0 = ~disparity & table0[19:10] | disparity & table0[9:0];
assign enc1 = ~disparity_interm & table1[19:10] | disparity_interm & table1[9:0];
assign enc0 = {10{~disparity}} & table0[19:10] | {10{disparity}} & table0[9:0];
assign enc1 = {10{~disparity_interm}} & table1[19:10] | {10{disparity_interm}} & table1[9:0];
// latch output data
reg [19:0] outdata_l;
......
host/gtx_8x10enc_geninit.py
View file @ 9f7bbe7d
......@@ -2,13 +2,15 @@ mem7f = []
for i in range(0x80):
mem7f.append(0);
i = 0
for line in open('gtx_8x10enc_init_stub.v').readlines():
addr = int('0b' + line.split()[0], 2)
a = int('0b' + line.split()[1], 2)
b = int('0b' + line.split()[2], 2)
mem7f[addr >> 3] = (((mem7f[addr >> 3] << 16) + b) << 16) + a
i += 1
# mem7f[addr >> 3] = (((mem7f[addr >> 3] << 16) + b) << 16) + a
to_mem = (b << 10) + a
# if addr == 0x1bc or addr == 0x4a:
# print addr, ' = ', to_mem, ' : ', b, ' :', a
mem7f[addr >> 3] = mem7f[addr >> 3] + (to_mem << ((addr % 8) * 32))
for i in range(0x80):
print ', .INIT_%02X\t(256\'h%064X)' % (i, mem7f[i])
host/gtx_8x10enc_init.v
View file @ 9f7bbe7d
, .INIT_00 (256'h018B0274022B01D4012B02D40314031B00AB03540294029B0194019B0074038B)
, .INIT_01 (256'h006B03940254025B0154015B0344034B00D400DB02C402CB01C401CB028B0174)
, .INIT_02 (256'h024B01B40234023B0134013B0324032B00B400BB02A402AB01A401AB005B03A4)
, .INIT_03 (256'h00CB03340264026B0164016B009B036400E400EB011B02E4021B01E4014B02B4)
, .INIT_04 (256'h01890279022901D9012902D90319031900A90359029902990199019900790389)
, .INIT_05 (256'h0069039902590259015901590349034900D900D902C902C901C901C902890179)
, .INIT_06 (256'h024901B902390239013901390329032900B900B902A902A901A901A9005903A9)
, .INIT_07 (256'h00C9033902690269016901690099036900E900E9011902E9021901E9014902B9)
, .INIT_08 (256'h01850275022501D5012502D50315031500A50355029502950195019500750385)
, .INIT_09 (256'h0065039502550255015501550345034500D500D502C502C501C501C502850175)
, .INIT_0A (256'h024501B502350235013501350325032500B500B502A502A501A501A5005503A5)
, .INIT_0B (256'h00C5033502650265016501650095036500E500E5011502E5021501E5014502B5)
, .INIT_0C (256'h018C0273022C01D3012C02D30313031C00AC03530293029C0193019C0073038C)
, .INIT_0D (256'h006C03930253025C0153015C0343034C00D300DC02C302CC01C301CC028C0173)
, .INIT_0E (256'h024C01B30233023C0133013C0323032C00B300BC02A302AC01A301AC005C03A3)
, .INIT_0F (256'h00CC03330263026C0163016C009C036300E300EC011C02E3021C01E3014C02B3)
, .INIT_10 (256'h018D0272022D01D2012D02D20312031D00AD03520292029D0192019D0072038D)
, .INIT_11 (256'h006D03920252025D0152015D0342034D00D200DD02C202CD01C201CD028D0172)
, .INIT_12 (256'h024D01B20232023D0132013D0322032D00B200BD02A202AD01A201AD005D03A2)
, .INIT_13 (256'h00CD03320262026D0162016D009D036200E200ED011D02E2021D01E2014D02B2)
, .INIT_14 (256'h018A027A022A01DA012A02DA031A031A00AA035A029A029A019A019A007A038A)
, .INIT_15 (256'h006A039A025A025A015A015A034A034A00DA00DA02CA02CA01CA01CA028A017A)
, .INIT_16 (256'h024A01BA023A023A013A013A032A032A00BA00BA02AA02AA01AA01AA005A03AA)
, .INIT_17 (256'h00CA033A026A026A016A016A009A036A00EA00EA011A02EA021A01EA014A02BA)
, .INIT_18 (256'h01860276022601D6012602D60316031600A60356029602960196019600760386)
, .INIT_19 (256'h0066039602560256015601560346034600D600D602C602C601C601C602860176)
, .INIT_1A (256'h024601B602360236013601360326032600B600B602A602A601A601A6005603A6)
, .INIT_1B (256'h00C6033602660266016601660096036600E600E6011602E6021601E6014602B6)
, .INIT_1C (256'h018E0271022E01D1012E02D10311031E00AE03510291029E0191019E0071038E)
, .INIT_1D (256'h006E03910251025E0151015E0348034E00D100DE02C802CE01C801CE028E0171)
, .INIT_1E (256'h024E01B102310237013101370321032E00B100B702A102AE01A101AE005E03A1)
, .INIT_1F (256'h00CE03310261026E0161016E009E036100E100EE011E02E1021E01E1014E02B1)
, .INIT_00 (256'h0002E34700029B6600029765000D50AB00028F63000D48AD000D44AE000D18B9)
, .INIT_01 (256'h000D14BA00023B4E0002374D0002B36C00022F4B0002AB6A0002A769000D60A7)
, .INIT_02 (256'h000DA09700025B56000257550002D37400024F530002CB720002C771000D24B6)
, .INIT_03 (256'h000D28B5000D849E000D889D0002735C000D909B00026B5A00026759000D30B3)
, .INIT_04 (256'h0009E24700099A66000996650009526B00098E6300094A6D0009466E00091A79)
, .INIT_05 (256'h0009167A00093A4E0009364D0009B26C00092E4B0009AA6A0009A66900096267)
, .INIT_06 (256'h0009A25700095A56000956550009D27400094E530009CA720009C67100092676)
, .INIT_07 (256'h00092A750009865E00098A5D0009725C0009925B00096A5A0009665900093273)
, .INIT_08 (256'h000AE287000A9AA6000A96A5000A52AB000A8EA3000A4AAD000A46AE000A1AB9)
, .INIT_09 (256'h000A16BA000A3A8E000A368D000AB2AC000A2E8B000AAAAA000AA6A9000A62A7)
, .INIT_0A (256'h000AA297000A5A96000A5695000AD2B4000A4E93000ACAB2000AC6B1000A26B6)
, .INIT_0B (256'h000A2AB5000A869E000A8A9D000A729C000A929B000A6A9A000A6699000A32B3)
, .INIT_0C (256'h000CE0C7000C98E6000C94E50003532B000C8CE300034B2D0003472E00031B39)
, .INIT_0D (256'h0003173A000C38CE000C34CD000CB0EC000C2CCB000CA8EA000CA4E900036327)
, .INIT_0E (256'h0003A317000C58D6000C54D5000CD0F4000C4CD3000CC8F2000CC4F100032736)
, .INIT_0F (256'h00032B350003871E00038B1D000C70DC0003931B000C68DA000C64D900033333)
, .INIT_10 (256'h0004E2C700049AE6000496E5000B512B00048EE3000B492D000B452E000B1939)
, .INIT_11 (256'h000B153A00043ACE000436CD0004B2EC00042ECB0004AAEA0004A6E9000B6127)
, .INIT_12 (256'h000BA11700045AD6000456D50004D2F400044ED30004CAF20004C6F1000B2536)
, .INIT_13 (256'h000B2935000B851E000B891D000472DC000B911B00046ADA000466D9000B3133)
, .INIT_14 (256'h0005E14700059966000595650005516B00058D630005496D0005456E00051979)
, .INIT_15 (256'h0005157A0005394E0005354D0005B16C00052D4B0005A96A0005A56900056167)
, .INIT_16 (256'h0005A15700055956000555550005D17400054D530005C9720005C57100052576)
, .INIT_17 (256'h000529750005855E0005895D0005715C0005915B0005695A0005655900053173)
, .INIT_18 (256'h0006E187000699A6000695A5000651AB00068DA3000649AD000645AE000619B9)
, .INIT_19 (256'h000615BA0006398E0006358D0006B1AC00062D8B0006A9AA0006A5A9000661A7)
, .INIT_1A (256'h0006A19700065996000655950006D1B400064D930006C9B20006C5B1000625B6)
, .INIT_1B (256'h000629B50006859E0006899D0006719C0006919B0006699A00066599000631B3)
, .INIT_1C (256'h0008E1C7000899E6000895E50007522B00088DE300074A2D0007462E00071A39)
, .INIT_1D (256'h0007163A000139CE000135CD0008B1EC00012DCB0008A9EA0008A5E900076227)
, .INIT_1E (256'h0007A217000859D6000855D50008D3B400084DD30008CBB20008C7B100072636)
, .INIT_1F (256'h00072A350007861E00078A1D000871DC0007921B000869DA000865D900073233)
, .INIT_20 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_21 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_22 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_23 (256'h00000000000000000000000000000000000000000000000000000000030B00F4)
, .INIT_23 (256'h000000000000000000000000000D0CBC00000000000000000000000000000000)
, .INIT_24 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_25 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_26 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_27 (256'h00000000000000000000000000000000000000000000000000000000030600F9)
, .INIT_27 (256'h00000000000000000000000000060E7C00000000000000000000000000000000)
, .INIT_28 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_29 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_2A (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_2B (256'h00000000000000000000000000000000000000000000000000000000030A00F5)
, .INIT_2B (256'h00000000000000000000000000050EBC00000000000000000000000000000000)
, .INIT_2C (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_2D (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_2E (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_2F (256'h00000000000000000000000000000000000000000000000000000000030C00F3)
, .INIT_2F (256'h00000000000000000000000000030F3C00000000000000000000000000000000)
, .INIT_30 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_31 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_32 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_33 (256'h00000000000000000000000000000000000000000000000000000000030D00F2)
, .INIT_33 (256'h000000000000000000000000000B0D3C00000000000000000000000000000000)
, .INIT_34 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_35 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_36 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_37 (256'h00000000000000000000000000000000000000000000000000000000030500FA)
, .INIT_37 (256'h000000000000000000000000000A0D7C00000000000000000000000000000000)
, .INIT_38 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_39 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3A (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3B (256'h00000000000000000000000000000000000000000000000000000000030900F6)
, .INIT_3B (256'h00000000000000000000000000090DBC00000000000000000000000000000000)
, .INIT_3C (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3D (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_3E (256'h00000000000000000000000000000000000000000000000000000000005703A8)
, .INIT_3F (256'h00000000000000000000000000000000030700F800970368011702E8021701E8)
, .INIT_3E (256'h000EA05700000000000000000000000000000000000000000000000000000000)
, .INIT_3F (256'h00000000000E845E000E885D000E0C7C000E905B000000000000000000000000)
, .INIT_40 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_41 (256'h0000000000000000000000000000000000000000000000000000000000000000)
, .INIT_42 (256'h0000000000000000000000000000000000000000000000000000000000000000)
......
host/gtx_8x10enc_init_stub.v
View file @ 9f7bbe7d
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000100110 1001100110 1001100110 0110011001 0110011001
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000101010 1001101010 1001101010 0101011001 0101011001
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000111110 1001011110 1001100001 0111101001 1000011001
000111111 1001110101 1001001010 1010111001 0101001001
001000000 1010111001 1010000110 1001110101 0110000101
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001000011 1010100011 1010100011 1100010101 1100010101
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001001000 1010100111 1010011000 1110010101 0001100101
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001001010 1010101010 1010101010 0101010101 0101010101
001001011 1010001011 1010001011 1101000101 1101000101
001001100 1010101100 1010101100 0011010101 0011010101
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001001110 1010001110 1010001110 0111000101 0111000101
001001111 1010111010 1010000101 0101110101 1010000101
001010000 1010110110 1010001001 0110110101 1001000101
001010001 1010110001 1010110001 1000110101 1000110101
001010010 1010110010 1010110010 0100110101 0100110101
001010011 1010010011 1010010011 1100100101 1100100101
001010100 1010110100 1010110100 0010110101 0010110101
001010101 1010010101 1010010101 1010100101 1010100101
001010110 1010010110 1010010110 0110100101 0110100101
001010111 1010010111 1010101000 1110100101 0001010101
001011000 1010110011 1010001100 1100110101 0011000101
001011001 1010011001 1010011001 1001100101 1001100101
001011010 1010011010 1010011010 0101100101 0101100101
001011011 1010011011 1010100100 1101100101 0010010101
001011100 1010011100 1010011100 0011100101 0011100101
001011101 1010011101 1010100010 1011100101 0100010101
001011110 1010011110 1010100001 0111100101 1000010101
001011111 1010110101 1010001010 1010110101 0101000101
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001100001 1100101110 0011010001 0111010011 1000101100
001100010 1100101101 0011010010 1011010011 0100101100
001100011 0011100011 1100100011 1100011100 1100010011
001100100 1100101011 0011010100 1101010011 0010101100
001100101 0011100101 1100100101 1010011100 1010010011
001100110 0011100110 1100100110 0110011100 0110010011
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001101000 1100100111 0011011000 1110010011 0001101100
001101001 0011101001 1100101001 1001011100 1001010011
001101010 0011101010 1100101010 0101011100 0101010011
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001101100 0011101100 1100101100 0011011100 0011010011
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001101110 0011001110 1100001110 0111001100 0111000011
001101111 1100111010 0011000101 0101110011 1010001100
001110000 1100110110 0011001001 0110110011 1001001100
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001110010 0011110010 1100110010 0100111100 0100110011
001110011 0011010011 1100010011 1100101100 1100100011
001110100 0011110100 1100110100 0010111100 0010110011
001110101 0011010101 1100010101 1010101100 1010100011
001110110 0011010110 1100010110 0110101100 0110100011
001110111 1100010111 0011101000 1110100011 0001011100
001111000 1100110011 0011001100 1100110011 0011001100
001111001 0011011001 1100011001 1001101100 1001100011
001111010 0011011010 1100011010 0101101100 0101100011
001111011 1100011011 0011100100 1101100011 0010011100
001111100 0011011100 1100011100 0011101100 0011100011
001111101 1100011101 0011100010 1011100011 0100011100
001111110 1100011110 0011100001 0111100011 1000011100
001111111 1100110101 0011001010 1010110011 0101001100
010000000 0100111001 1011000110 1001110010 0110001101
010000001 0100101110 1011010001 0111010010 1000101101
010000010 0100101101 1011010010 1011010010 0100101101
010000011 1011100011 0100100011 1100011101 1100010010
010000100 0100101011 1011010100 1101010010 0010101101
010000101 1011100101 0100100101 1010011101 1010010010
010000110 1011100110 0100100110 0110011101 0110010010
010000111 1011000111 0100111000 1110001101 0001110010
010001000 0100100111 1011011000 1110010010 0001101101
010001001 1011101001 0100101001 1001011101 1001010010
010001010 1011101010 0100101010 0101011101 0101010010
010001011 1011001011 0100001011 1101001101 1101000010
010001100 1011101100 0100101100 0011011101 0011010010
010001101 1011001101 0100001101 1011001101 1011000010
010001110 1011001110 0100001110 0111001101 0111000010
010001111 0100111010 1011000101 0101110010 1010001101
010010000 0100110110 1011001001 0110110010 1001001101
010010001 1011110001 0100110001 1000111101 1000110010
010010010 1011110010 0100110010 0100111101 0100110010
010010011 1011010011 0100010011 1100101101 1100100010
010010100 1011110100 0100110100 0010111101 0010110010
010010101 1011010101 0100010101 1010101101 1010100010
010010110 1011010110 0100010110 0110101101 0110100010
010010111 0100010111 1011101000 1110100010 0001011101
010011000 0100110011 1011001100 1100110010 0011001101
010011001 1011011001 0100011001 1001101101 1001100010
010011010 1011011010 0100011010 0101101101 0101100010
010011011 0100011011 1011100100 1101100010 0010011101
010011100 1011011100 0100011100 0011101101 0011100010
010011101 0100011101 1011100010 1011100010 0100011101
010011110 0100011110 1011100001 0111100010 1000011101
010011111 0100110101 1011001010 1010110010 0101001101
010100000 0101111001 0101000110 1001111010 0110001010
010100001 0101101110 0101010001 0111011010 1000101010
010100010 0101101101 0101010010 1011011010 0100101010
010100011 0101100011 0101100011 1100011010 1100011010
010100100 0101101011 0101010100 1101011010 0010101010
010100101 0101100101 0101100101 1010011010 1010011010
010100110 0101100110 0101100110 0110011010 0110011010
010100111 0101000111 0101111000 1110001010 0001111010
010101000 0101100111 0101011000 1110011010 0001101010
010101001 0101101001 0101101001 1001011010 1001011010
010101010 0101101010 0101101010 0101011010 0101011010
010101011 0101001011 0101001011 1101001010 1101001010
010101100 0101101100 0101101100 0011011010 0011011010
010101101 0101001101 0101001101 1011001010 1011001010
010101110 0101001110 0101001110 0111001010 0111001010
010101111 0101111010 0101000101 0101111010 1010001010
010110000 0101110110 0101001001 0110111010 1001001010
010110001 0101110001 0101110001 1000111010 1000111010
010110010 0101110010 0101110010 0100111010 0100111010
010110011 0101010011 0101010011 1100101010 1100101010
010110100 0101110100 0101110100 0010111010 0010111010
010110101 0101010101 0101010101 1010101010 1010101010
010110110 0101010110 0101010110 0110101010 0110101010
010110111 0101010111 0101101000 1110101010 0001011010
010111000 0101110011 0101001100 1100111010 0011001010
010111001 0101011001 0101011001 1001101010 1001101010
010111010 0101011010 0101011010 0101101010 0101101010
010111011 0101011011 0101100100 1101101010 0010011010
010111100 0101011100 0101011100 0011101010 0011101010
010111101 0101011101 0101100010 1011101010 0100011010
010111110 0101011110 0101100001 0111101010 1000011010
010111111 0101110101 0101001010 1010111010 0101001010
011000000 0110111001 0110000110 1001110110 0110000110
011000001 0110101110 0110010001 0111010110 1000100110
011000010 0110101101 0110010010 1011010110 0100100110
011000011 0110100011 0110100011 1100010110 1100010110
011000100 0110101011 0110010100 1101010110 0010100110
011000101 0110100101 0110100101 1010010110 1010010110
011000110 0110100110 0110100110 0110010110 0110010110
011000111 0110000111 0110111000 1110000110 0001110110
011001000 0110100111 0110011000 1110010110 0001100110
011001001 0110101001 0110101001 1001010110 1001010110
011001010 0110101010 0110101010 0101010110 0101010110
011001011 0110001011 0110001011 1101000110 1101000110
011001100 0110101100 0110101100 0011010110 0011010110
011001101 0110001101 0110001101 1011000110 1011000110
011001110 0110001110 0110001110 0111000110 0111000110
011001111 0110111010 0110000101 0101110110 1010000110
011010000 0110110110 0110001001 0110110110 1001000110
011010001 0110110001 0110110001 1000110110 1000110110
011010010 0110110010 0110110010 0100110110 0100110110
011010011 0110010011 0110010011 1100100110 1100100110
011010100 0110110100 0110110100 0010110110 0010110110
011010101 0110010101 0110010101 1010100110 1010100110
011010110 0110010110 0110010110 0110100110 0110100110
011010111 0110010111 0110101000 1110100110 0001010110
011011000 0110110011 0110001100 1100110110 0011000110
011011001 0110011001 0110011001 1001100110 1001100110
011011010 0110011010 0110011010 0101100110 0101100110
011011011 0110011011 0110100100 1101100110 0010010110
011011100 0110011100 0110011100 0011100110 0011100110
011011101 0110011101 0110100010 1011100110 0100010110
011011110 0110011110 0110100001 0111100110 1000010110
011011111 0110110101 0110001010 1010110110 0101000110
011100000 1000111001 0111000110 1001110001 0110001110
011100001 1000101110 0111010001 0111010001 1000101110
011100010 1000101101 0111010010 1011010001 0100101110
011100011 0111100011 1000100011 1100011110 1100010001
011100100 1000101011 0111010100 1101010001 0010101110
011100101 0111100101 1000100101 1010011110 1010010001
011100110 0111100110 1000100110 0110011110 0110010001
011100111 0111000111 1000111000 1110001110 0001110001
011101000 1000100111 0111011000 1110010001 0001101110
011101001 0111101001 1000101001 1001011110 1001010001
011101010 0111101010 1000101010 0101011110 0101010001
011101011 0111001011 0001001011 1101001110 1101001000
011101100 0111101100 1000101100 0011011110 0011010001
011101101 0111001101 0001001101 1011001110 1011001000
011101110 0111001110 0001001110 0111001110 0111001000
011101111 1000111010 0111000101 0101110001 1010001110
011110000 1000110110 0111001001 0110110001 1001001110
011110001 1110110001 1000110001 1000110111 1000110001
011110010 1110110010 1000110010 0100110111 0100110001
011110011 0111010011 1000010011 1100101110 1100100001
011110100 1110110100 1000110100 0010110111 0010110001
011110101 0111010101 1000010101 1010101110 1010100001
011110110 0111010110 1000010110 0110101110 0110100001
011110111 1000010111 0111101000 1110100001 0001011110
011111000 1000110011 0111001100 1100110001 0011001110
011111001 0111011001 1000011001 1001101110 1001100001
011111010 0111011010 1000011010 0101101110 0101100001
011111011 1000011011 0111100100 1101100001 0010011110
011111100 0111011100 1000011100 0011101110 0011100001
011111101 1000011101 0111100010 1011100001 0100011110
011111110 1000011110 0111100001 0111100001 1000011110
011111111 1000110101 0111001010 1010110001 0101001110
100011100 0010111100 1101000011 0011110100 1100001011
100111100 1001111100 0110000011 0011111001 1100000110
101011100 1010111100 0101000011 0011110101 1100001010
101111100 1100111100 0011000011 0011110011 1100001100
110011100 0100111100 1011000011 0011110010 1100001101
110111100 0101111100 1010000011 0011111010 1100000101
111011100 0110111100 1001000011 0011110110 1100001001
111111100 0001111100 1110000011 0011111000 1100000111
111110111 0001010111 1110101000 1110101000 0001010111
111111011 0001011011 1110100100 1101101000 0010010111
111111101 0001011101 1110100010 1011101000 0100010111
111111110 0001011110 1110100001 0111101000 1000010111
host/gtx_comma_align.v
View file @ 9f7bbe7d
......@@ -21,6 +21,10 @@
module gtx_comma_align(
input wire rst,
input wire clk,
// input data comes this way (standart 8/10 bit notation)
// cycle 0: {[hgfedcba]=1st byte,[hgfedcba]=0st byte}
// cycle 1: {[hgfedcba]=3rd byte,[hgfedcba]=2dn byte}
// => {[cycle1 data], [cycle0 data]} = as if we were reading by dwords
input wire [19:0] indata,
output wire [19:0] outdata,
// outdata contains comma
......@@ -67,7 +71,7 @@ reg [19:0] indata_r;
wire [38:0] window;
always @ (posedge clk)
indata_r <= indata;
assign window = {indata_r, indata};
assign window = {indata, indata_r};
// there is only 1 matched subwindow due to 20-bit comma's non-repetative pattern
wire [19:0] subwindow [19:0];
......@@ -81,7 +85,9 @@ generate
for (ii = 0; ii < 20; ii = ii + 1)
begin: look_for_comma
assign subwindow[ii] = window[ii + 19:ii];
assign comma_match[ii] = subwindow[ii] == 20'b01010101010011111010;
// assign comma_match[ii] = subwindow[ii] == 20'b01010101010011111010 | subwindow[ii] == 20'b01010101011100000101;
// stream comes inverted
assign comma_match[ii] = subwindow[ii] == 20'b10101010100101111100 | subwindow[ii] == 20'b10101010101010000011;
end
endgenerate
......@@ -89,7 +95,7 @@ assign comma_detected = |comma_match;
// save the shift count
always @ (posedge clk)
comma_match_prev <= rst ? 20'h0 : comma_detected ? comma_match : comma_match_prev;
comma_match_prev <= rst ? 20'h1 : comma_detected ? comma_match : comma_match_prev;
// shift
wire [38:0] shifted_window;
assign shifted_window = comma_detected ? {window >> (comma_match - 1)} : {window >> (comma_match_prev - 1)};
......
host/gtx_elastic.v
View file @ 9f7bbe7d
......@@ -51,9 +51,9 @@ wire [22:0] indata;
wire [22:0] outdata;
assign indata = {isaligned_in, notintable_in, disperror_in, charisk_in, data_in};
assign isaligned_out = outdata[22];
assign charisk_out = outdata[21:20];
assign notintable_out = outdata[19:18];
assign disperror_out = outdata[17:16];
assign notintable_out = outdata[21:20];
assign disperror_out = outdata[19:18];
assign charisk_out = outdata[17:16];
assign data_out = outdata[15:0];
localparam HI = DEPTH_LOG2 - 1; // hi bus index
......@@ -61,7 +61,7 @@ localparam HI = DEPTH_LOG2 - 1; // hi bus index
* buffer itself
*/
// data storage
reg [22:0] ram [HI:0];
reg [22:0] ram [(1 << DEPTH_LOG2) - 1:0];
// data to/from fifo
wire [22:0] inram;
wire [22:0] outram;
......@@ -105,26 +105,26 @@ end
// write address -> rclk (rd) domain to compare
always @ (posedge rclk)
begin
wr_addr_gr_r <= rst ? {DEPTH_LOG2{1'b0}} : wr_addr;
wr_addr_gr_r <= rst ? {DEPTH_LOG2{1'b0}} : wr_addr_gr;
wr_addr_gr_rr <= rst ? {DEPTH_LOG2{1'b0}} : wr_addr_gr_r;
end
// read address -> wclk (wr) domain to compare
always @ (posedge wclk)
begin
rd_addr_gr_r <= rst ? {DEPTH_LOG2{1'b0}} : rd_addr;
rd_addr_gr_r <= rst ? {DEPTH_LOG2{1'b0}} : rd_addr_gr;
rd_addr_gr_rr <= rst ? {DEPTH_LOG2{1'b0}} : rd_addr_gr_r;
end
// translate resynced write address into ordinary (non-gray) address
genvar ii;
generate
for (ii = 0; ii < HI; ii = ii + 1)
for (ii = 0; ii <= HI; ii = ii + 1)
begin: wr_antigray
assign wr_addr_r[ii] = ^wr_addr_gr_rr[HI:ii];
end
endgenerate
// translate resynced read address into ordinary (non-gray) address
generate
for (ii = 0; ii < HI; ii = ii + 1)
for (ii = 0; ii <= HI; ii = ii + 1)
begin: rd_antigray
assign rd_addr_r[ii] = ^rd_addr_gr_rr[HI:ii];
end
......@@ -310,7 +310,7 @@ begin
state_send_ack <= (state_send_ack | set_send_ack ) & ~clr_send_ack & ~rst;
end
assign skip_write = ~set_skip1_align & ~state_skip1_align;
assign skip_write = set_skip1_align | state_skip1_align;
assign inram = indata_r;
assign we = ~skip_write;
......@@ -387,12 +387,22 @@ always @ (posedge rclk)
// choose 1 of 2 words of ALIGNP
wire [22:0] align_word;
assign align_word = {outram[22], 22'h007B4A} & ~align_altern | {outram[22], 22'h014ABC} & align_altern;
assign align_word = {outram[22], 22'h007B4A} & {23{~align_altern}} | {outram[22], 22'h014ABC} & {23{align_altern}};
// 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;
// indicates last cycle before the next primitive
assign lword_strobe = align_1st & align_2nd;
wire fword_strobe_correction;
reg fword_strobe;
`ifdef SIMULATION
assign fword_strobe_correction = (align_1st === 1'bx || align_2nd === 1'bx) ? 1'b0 : align_1st & align_2nd ;
`else
assign fword_strobe_correction = align_1st & align_2nd;
`endif
always @ (posedge rclk)
fword_strobe <= rst ? 1'b0 : fword_strobe_correction ? 1'b1 : lword_strobe;
assign lword_strobe = ~fword_strobe;
endmodule
host/gtx_wrap.v
View file @ 9f7bbe7d
......@@ -74,6 +74,10 @@ module gtx_wrap #(
output wire [DATA_BYTE_WIDTH - 1:0] rxdisperr
);
// resets while PCS resets
assign wrap_rxreset_ = rxuserrdy & rxresetdone_gtx;
assign wrap_txreset_ = txuserrdy & txresetdone_gtx;
wire [63:0] rxdata_gtx;
wire [7:0] rxcharisk_gtx;
wire [7:0] rxdisperr_gtx;
......@@ -98,8 +102,8 @@ assign txchardispval_gtx = {6'h0, txdata_enc_out[18], txdata_enc_out[8]};
// Interface part
/*
input wire cpllreset, - async
input wire rxuserrdy, - async
input wire txuserrdy, - async
input wire wrap_rxreset_, - async
input wire wrap_txreset_, - async
input wire rxreset, - async
input wire txreset, - async
input wire txelecidle, - txusrclk2 - need to resync to gtx iface clk - txusrclk
......@@ -124,12 +128,12 @@ if (DATA_BYTE_WIDTH == 4) begin
wire [38:0] txdata_resync_out;
reg [35:0] txdata_resync;
assign txdata_enc_in = {16{~txdata_resync_strobe}} & txdata_resync[15:0] | {16{txdata_resync_strobe}} & txdata_resync[33:18];
assign txcharisk_enc_in = {2{~txdata_resync_strobe}} & txdata_resync[17:16] | {2{txdata_resync_strobe}} & txdata_resync[35:34];
assign txdata_enc_in = {16{~txdata_resync_strobe}} & txdata_resync[15:0] | {16{txdata_resync_strobe}} & txdata_resync[31:16];
assign txcharisk_enc_in = {2{~txdata_resync_strobe}} & txdata_resync[33:32] | {2{txdata_resync_strobe}} & txdata_resync[35:34];
always @ (posedge txusrclk)
begin
txdata_resync <= ~txuserrdy ? 36'h0 : txdata_resync_nempty & txdata_resync_strobe ? txdata_resync_out[35:0] : txdata_resync;
txdata_resync_strobe <= ~txuserrdy ? 1'b0 : ~txdata_resync_nempty ? txdata_resync_strobe : ~txdata_resync_strobe; // -> 1 once every resynced dword = signal to latch it
txdata_resync <= ~wrap_txreset_ ? 36'h0 : txdata_resync_nempty & txdata_resync_strobe ? txdata_resync_out[35:0] : txdata_resync;
txdata_resync_strobe <= ~wrap_txreset_ ? 1'b0 : ~txdata_resync_nempty ? txdata_resync_strobe : ~txdata_resync_strobe; // -> 1 once every resynced dword = signal to latch it
end
// nempty_rr & nempty => shall be at least 2 elements in fifo - safe to read
......@@ -155,8 +159,8 @@ if (DATA_BYTE_WIDTH == 4) begin
.half_empty ()
);
assign txcominit_gtx = txdata_resync_out[36];
assign txcomwake_gtx = txdata_resync_out[37];
assign txcomwake_gtx = txdata_resync_out[36];
assign txcominit_gtx = txdata_resync_out[37];
assign txelecidle_gtx = txdata_resync_out[38];
end
else
......@@ -179,7 +183,7 @@ endgenerate
// 8/10 encoder @ txusrclk, 16 + 1 bits -> 20
gtx_8x10enc gtx_8x10enc(
.rst (~txuserrdy),
.rst (~wrap_txreset_),
.clk (txusrclk),
.indata (txdata_enc_in),
.inisk (txcharisk_enc_in),
......@@ -195,7 +199,7 @@ wire xclk;
// comma aligner
wire [19:0] rxdata_comma_in;
wire [19:0] rxdata_comma_out;
assign rxdata_comma_in = {rxdisperr_gtx[1], rxcharisk_gtx[1], rxdata[15:8], rxdisperr_gtx[0], rxcharisk_gtx[0], rxdata[7:0]};
assign rxdata_comma_in = {rxdisperr_gtx[1], rxcharisk_gtx[1], rxdata_gtx[15:8], rxdisperr_gtx[0], rxcharisk_gtx[0], rxdata_gtx[7:0]};
// aligner status generation
// if we detected comma & there was 1st realign after non-aligned state -> triggered, we wait until the next comma
......@@ -218,12 +222,12 @@ assign clr_triggered = realign;
always @ (posedge xclk)
begin
state_aligned <= (set_aligned | state_aligned ) & rxuserrdy & ~clr_aligned;
state_triggered <= (set_triggered | state_triggered) & rxuserrdy & ~clr_triggered;
state_aligned <= (set_aligned | state_aligned ) & wrap_rxreset_ & ~clr_aligned;
state_triggered <= (set_triggered | state_triggered) & wrap_rxreset_ & ~clr_triggered;
end
gtx_comma_align gtx_comma_align(
.rst (~rxuserrdy),
.rst (~wrap_rxreset_),
.clk (xclk),
.indata (rxdata_comma_in),
.outdata (rxdata_comma_out),
......@@ -240,7 +244,7 @@ wire [1:0] rxnotintable_dec_out;
wire [1:0] rxdisperr_dec_out;
gtx_10x8dec gtx_10x8dec(
.rst (~rxuserrdy),
.rst (~wrap_rxreset_),
.clk (xclk),
.indata (rxdata_comma_out),
.outdata (rxdata_dec_out),
......@@ -262,7 +266,7 @@ gtx_elastic #(
.OFFSET (4)
)
gtx_elastic(
.rst (~rxuserrdy),
.rst (~wrap_rxreset_),
.wclk (xclk),
.rclk (rxusrclk),
......@@ -306,6 +310,8 @@ generate
if (DATA_BYTE_WIDTH == 4) begin
// resync to rxusrclk
// Fin = 2*Fout => 2*WIDTHin = WIDTHout
// first data word arrived = last word of a primitive, second arrived - first one
// lword_strobe indicates that second data word is arrived
wire rxdata_resync_nempty;
reg rxdata_resync_nempty_r;
wire rxdata_resync_strobe;
......@@ -328,7 +334,7 @@ if (DATA_BYTE_WIDTH == 4) begin
rxdata_els_out, // 16
rxdata_resync_buf[21:0]}; // 22 / 51 total
always @ (posedge rxusrclk)
rxdata_resync_buf <= ~rxuserrdy ? 36'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_ ? 36'h0 : ~rxdata_resync_strobe ? {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;
......@@ -338,10 +344,10 @@ if (DATA_BYTE_WIDTH == 4) begin
.DATA_DEPTH (4)
)
rxdata_resynchro(
.rst (~rxuserrdy),
.rst (~wrap_rxreset_),
.rclk (rxusrclk2),
.wclk (rxusrclk),
.we (1'b1),
.we (rxdata_resync_strobe),
.re (rxdata_resync_nempty & rxdata_resync_nempty_r),
.data_in (rxdata_resync_in),
.data_out (rxdata_resync_out),
......@@ -355,10 +361,10 @@ if (DATA_BYTE_WIDTH == 4) begin
assign txresetdone = rxdata_resync_out[46];
assign rxelsfull = rxdata_resync_out[45];
assign rxelsempty = rxdata_resync_out[44];
assign rxdisperr = {rxdata_resync_out[43:42], rxdata_resync_out[21:20]};
assign rxdisperr = {rxdata_resync_out[43:42], rxdata_resync_out[20:20]};
assign rxnotintable = {rxdata_resync_out[41:40], rxdata_resync_out[19:18]};
assign rxcharisk = {rxdata_resync_out[39:38], rxdata_resync_out[17:16]};
assign rxdata = {rxdata_resync_out[37:22], rxdata_resync_out[15:0]};
assign rxdata = {rxdata_resync_out[37:22], rxdata_resync_out[15:0] };
end
else
if (DATA_BYTE_WIDTH == 2) begin
......@@ -474,7 +480,7 @@ GTXE2_CHANNEL #(
.RXBUF_ADDR_MODE ("FAST"),
.RXBUF_EIDLE_HI_CNT (4'b1000),
.RXBUF_EIDLE_LO_CNT (4'b0000),
.RXBUF_EN ("TRUE"),
.RXBUF_EN ("FALSE"),
.RX_BUFFER_CFG (6'b000000),
.RXBUF_RESET_ON_CB_CHANGE ("TRUE"),
.RXBUF_RESET_ON_COMMAALIGN ("FALSE"),
......@@ -644,7 +650,7 @@ gtx(
.RXCLKCORCNT (),
.RX8B10BEN (1'b0),
.RXUSRCLK (rxusrclk),
.RXUSRCLK2 (rxusrclk2),
.RXUSRCLK2 (rxusrclk),
.RXDATA (rxdata_gtx),
.RXPRBSERR (),
.RXPRBSSEL (3'd0),
......@@ -676,9 +682,9 @@ gtx(
.RXBYTEISALIGNED (),
.RXBYTEREALIGN (),
.RXCOMMADET (),
.RXCOMMADETEN (1'b1),
.RXMCOMMAALIGNEN (1'b1),
.RXPCOMMAALIGNEN (1'b1),
.RXCOMMADETEN (1'b0),
.RXMCOMMAALIGNEN (1'b0),
.RXPCOMMAALIGNEN (1'b0),
.RXCHANBONDSEQ (),
.RXCHBONDEN (1'b0),
.RXCHBONDLEVEL (3'd0),
......
host/oob.v
View file @ 9f7bbe7d
......@@ -182,7 +182,7 @@ wire clr_wait_synp;
wire clr_wait_linkup;
wire clr_error;
assign state_idle = ~state_wait_cominit & ~state_wait_comwake & ~state_wait_align & ~state_wait_synp & ~state_wait_linkup & ~state_error & ~state_recal_tx;
assign state_idle = ~state_wait_cominit & ~state_wait_comwake & ~state_wait_align & ~state_wait_synp & ~state_wait_linkup & ~state_error & ~state_recal_tx & ~state_wait_rxrst & ~state_wait_eidle;
always @ (posedge clk)
begin
state_wait_cominit <= (state_wait_cominit | set_wait_cominit) & ~clr_wait_cominit & ~rst;
......@@ -391,6 +391,24 @@ generate
end
endgenerate
`ifdef SIMULATION
// info msgs
always @ (posedge clk)
begin
if (txcominit) begin
$display("[Host] OOB: Issued cominit");
end
if (txcomwake) begin
$display("[Host] OOB: Issued comwake");
end
if (state_wait_linkup) begin
$display("[Host] OOB: Link is up");
end
if (set_wait_synp) begin
$display("[Host] OOB: Started continious align sending");
end
end
always @ (posedge clk)
rxcom_timer <= rst | rxcominit_done & state_wait_cominit | rxcomwake_done & state_wait_comwake | rxcominitdet & state_wait_cominit | rxcomwakedet & state_wait_comwake ? 10'h0 : cominit_req_l & state_idle | rxcominitdet_l & state_wait_cominit | rxcomwakedet_l & state_wait_comwake ? rxcom_timer + CLK_TO_TIMER_CONTRIB : 10'h0;
......
simul/build
View file @ 9f7bbe7d
......@@ -17,7 +17,8 @@ if [ "$GTX_PATH" == '' ]
then
export GTX_PATH=$SATA_PATH
fi
iverilog $SATA_PATH/tb/tb_top.v $SATA_PATH/x393/glbl.v $SATA_PATH/gtxe2_gpl/GTXE2_CHANNEL.v -I$SATA_PATH/device -I$SATA_PATH/host -I$SATA_PATH/dma -I$SATA_PATH/tb -I$SATA_PATH -I$SATA_PATH/x393/axi -I$SATA_PATH/x393 -y$SATA_PATH/x393/util_modules -y$SATA_PATH/x393/wrap -y$UNISIMS_PATH -y$SATA_PATH/x393/memctrl -y$SATA_PATH/x393/axi -y$SATA_PATH/x393/simulation_modules $SATA_PATH/x393/simulation_modules/simul_axi_fifo_out.v -y$SATA_PATH/x393/ -D SIMULATION -D CHECKERS_ENABLED
#iverilog $SATA_PATH/tb/tb_top.v $SATA_PATH/x393/glbl.v $SATA_PATH/gtxe2_gpl/GTXE2_CHANNEL.v -I$SATA_PATH/device -I$SATA_PATH/host -I$SATA_PATH/dma -I$SATA_PATH/tb -I$SATA_PATH -I$SATA_PATH/x393/axi -I$SATA_PATH/x393 -I$SATA_PATH/x393/wrap -y$SATA_PATH/x393/util_modules -y$SATA_PATH/x393/wrap -y$UNISIMS_PATH -y$SATA_PATH/x393/memctrl -y$SATA_PATH/x393/axi -y$SATA_PATH/x393/simulation_modules $SATA_PATH/x393/simulation_modules/simul_axi_fifo_out.v -y$SATA_PATH/x393/ -D SIMULATION -D CHECKERS_ENABLED
iverilog $SATA_PATH/tb/tb_top.v $SATA_PATH/x393/glbl.v $SATA_PATH/GTXE2_CHANNEL.v -I$SATA_PATH/device -I$SATA_PATH/host -I$SATA_PATH/dma -I$SATA_PATH/tb -I$SATA_PATH -I$SATA_PATH/x393/axi -I$SATA_PATH/x393 -I$SATA_PATH/x393/wrap -y$SATA_PATH/x393/util_modules -y$SATA_PATH/x393/wrap -y$UNISIMS_PATH -y$SATA_PATH/x393/memctrl -y$SATA_PATH/x393/axi -y$SATA_PATH/x393/simulation_modules $SATA_PATH/x393/simulation_modules/simul_axi_fifo_out.v -y$SATA_PATH/x393/ -D SIMULATION -D CHECKERS_ENABLED
#iverilog $SATA_PATH/neat_phy.v $SATA_PATH/x393/glbl.v $SATA_PATH/gtxe2_gpl/GTXE2_CHANNEL.v $SATA_PATH/neat_oob.v -y$UNISIMS_PATH
#iverilog $SATA_PATH/tb/tb_top.v $SATA_PATH/x393/glbl.v -f opts -stb -sglbl $1 2>&1| tee $LOGFILE_PATH
......
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