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/*************************************************************************
*
* This file is part of ACT dataflow neuro library
*
* Copyright (c) 2022 University of Groningen - Ole Richter
* Copyright (c) 2022 University of Groningen - Michele Mastella
* Copyright (c) 2022 University of Groningen - Hugh Greatorex
* Copyright (c) 2022 University of Groningen - Madison Cotteret
*
*
* This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later
*
* You may redistribute and modify this documentation and make products
* using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl).
* This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY
* AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2
* for applicable conditions.
*
* Source location: https://git.web.rug.nl/bics/actlib_dataflow_neuro
*
* As per CERN-OHL-W v2 section 4.1, should You produce hardware based on
* these sources, You must maintain the Source Location visible in its
* documentation.
*
**************************************************************************
*/
import "../../dataflow_neuro/cell_lib_async.act";
import "../../dataflow_neuro/cell_lib_std.act";
import "../../dataflow_neuro/treegates.act";
import "../../dataflow_neuro/primitives.act";
import "../../dataflow_neuro/registers.act";
import "../../dataflow_neuro/coders.act";
import "../../dataflow_neuro/interfaces.act";
// import tmpl::dataflow_neuro;
// import tmpl::dataflow_neuro;
import std::channel;
open std::channel;
namespace tmpl {
namespace dataflow_neuro {
export template<pint N_IN, // Size of input data from outside world
N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y, // Number of neurons / synapses
NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,
N_SYN_DLY_CFG,
N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,
N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN, // Number of signals that each synapse outputs to be monitored.
N_FLAGS_PER_SYN, N_FLAGS_PER_NRN, // Number of signals that each nrn/syn recieves from the register.
N_BUFFERS,
N_LINE_PD_DLY, // Number of dummy delays to add line pull down
REG_NCA, REG_NCW, REG_M>
defproc texel_core (avMx1of2<N_IN> in, out;
Mx1of2<REG_NCW> reg_data[REG_M];
// Dummy synapses and neurons in the handshake blocks
// should be removed pre-innovus, else they are floating.
// a1of1 synapses[N_SYN_X * N_SYN_Y];
// a1of1 neurons[N_NRN_X * N_NRN_Y];
// Synapse decoder stuff
// The analogue core and connects to these to replace the above synapses.
bool! dec_req_x[N_SYN_X], dec_req_y[N_SYN_Y];
bool? dec_ackB[N_SYN_X];
a1of1 syn_pu[N_SYN_X];
// Neuron encoder stuff
a1of1 enc_inx[N_NRN_X], enc_iny[N_NRN_Y];
a1of1 nrn_pd_x[N_NRN_X], nrn_pd_y[N_NRN_Y];
// Monitors and flags to/from core, and selected mon out.
bool! nrn_mon_x[N_NRN_MON_X], nrn_mon_y[N_NRN_MON_Y];
bool! syn_mon_x[N_SYN_MON_X], syn_mon_y[N_SYN_MON_Y];
bool? syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! syn_mon_AMZO[N_MON_AMZO_PER_SYN], nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! syn_flags_EFO[N_FLAGS_PER_SYN], nrn_flags_EFO[N_FLAGS_PER_NRN];
power supply;
bool? reset_B, reset_reg_B, reset_syn_stge_BI;
bool! reset_nrn_hs_BO[N_NRN_X], reset_syn_hs_BO[N_SYN_X],
reset_nrn_stge_BO[N_NRN_X], reset_syn_stge_BO[N_SYN_X]){
bool _reset_BX;
BUF_X12 reset_buf(.a = reset_B, .y = _reset_BX, .vdd = supply.vdd, .vss = supply.vss);
pint index = 0; // Just useful
// Onwards
fifo<N_IN,N_BUFFERS> fifo_in(.in = in, .reset_B = _reset_BX, .supply = supply);
demux_bit_msb<N_IN-1> _demux(.in = fifo_in.out, .reset_B = _reset_BX, .supply = supply);
// Register
fifo<N_IN-1,N_BUFFERS> fifo_dmx2reg(.in = _demux.out2, .reset_B = _reset_BX, .supply = supply);
register_wr_array<REG_NCA, REG_NCW, REG_M> register(.in = fifo_dmx2reg.out, .data = reg_data,
.supply = supply, .reset_B = reset_reg_B);
fifo<N_IN-2,N_BUFFERS> fifo_reg2mrg(.in = register.out, .reset_B = _reset_BX, .supply = supply);
// Spike Decoder
pint NC_SYN;
NC_SYN = NC_SYN_X + NC_SYN_Y;
slice_data<N_IN-1, 0, NC_SYN> slice_pre_dec(.in = _demux.out1, .supply = supply);
fifo<NC_SYN,N_BUFFERS> fifo_dmx2dec(.in = slice_pre_dec.out, .reset_B = _reset_BX, .supply = supply);
decoder_2d_hybrid<NC_SYN_X, NC_SYN_Y, N_SYN_X, N_SYN_Y, N_SYN_DLY_CFG> decoder(.in = fifo_dmx2dec.out,
.hs_en = register.data[0].d[0].t, // Defaults to handshake disable
.ack_disable = register.data[1].d[2].t, // Defaults to ack enabled
.out_req_x = dec_req_x, .out_req_y = dec_req_y,
.to_pu = syn_pu,
.in_ackB_decoder = dec_ackB,
.supply = supply, .reset_B = _reset_BX);
INV_X1 dly_cfg_inverters[N_SYN_DLY_CFG];
(i:N_SYN_DLY_CFG:
dly_cfg_inverters[i].a = register.data[0].d[1+i].t; // iff t is high, is the delay disabled.
dly_cfg_inverters[i].vdd = supply.vdd;
dly_cfg_inverters[i].vss = supply.vss;
decoder.dly_cfg[i] = dly_cfg_inverters[i].y;
)
// Synapse handshake circuits, to be removed for innovus
// decoder_2d_synapse_hs<N_SYN_X, N_SYN_Y> _synapses(
// .synapses = synapses,
// .in_req_x = dec_req_x, .in_req_y = dec_req_y,
// .to_pu = syn_pu,
// .out_ackB_decoder = dec_ackB,
// .supply = supply);
// Neurons + encoder
pint NC_NRN;
NC_NRN = NC_NRN_X + NC_NRN_Y;
encoder2d_simple<NC_NRN_X, NC_NRN_Y, N_NRN_X, N_NRN_Y, N_LINE_PD_DLY> encoder(
.inx = enc_inx, .iny = enc_iny,
.reset_B = _reset_BX, .supply = supply,
.to_pd_x = nrn_pd_x, .to_pd_y = nrn_pd_y);
fifo<NC_NRN, N_BUFFERS> fifo_enc2mrg(.in = encoder.out,
.reset_B = _reset_BX, .supply = supply);
// Neuron handshake circuits, to be removed for innovus
// nrn_hs_2d_array<N_NRN_X,N_NRN_Y> nrn_grid(.in = neurons,
// .outx = enc_inx, .outy = enc_iny,
// .to_pd_x = nrn_pd_x, .to_pd_y = nrn_pd_y,
// .supply = supply, .reset_B = _reset_BX);
// Merge
append<NC_NRN, N_IN-NC_NRN, 0> append_enc(.in = fifo_enc2mrg.out, .supply = supply);
append<N_IN-2, 2, 2> append_reg(.in = fifo_reg2mrg.out, .supply = supply);
merge<N_IN> merge_enc8reg(.in1 = append_enc.out, .in2 = append_reg.out,
.supply = supply, .reset_B = _reset_BX);
// Output
fifo<N_IN, N_BUFFERS> fifo_out(.in = merge_enc8reg.out, .out = out,
.reset_B = _reset_BX, .supply = supply);
// Neuron/synapse monitor targeters
pint NC_NRN_MON_X = std::ceil_log2(N_NRN_MON_X);
pint NC_NRN_MON_Y = std::ceil_log2(N_NRN_MON_Y);
pint NC_SYN_MON_X = std::ceil_log2(N_SYN_MON_X);
pint NC_SYN_MON_Y = std::ceil_log2(N_SYN_MON_Y);
decoder_dualrail_en<NC_NRN_MON_X, N_NRN_MON_X> nrn_mon_dec_x(.supply = supply);
nrn_mon_dec_x.en = register.data[1].d[0].t;
(i:NC_NRN_MON_X:
nrn_mon_dec_x.in.d[i] = register.data[2].d[i];
)
sigbuf_boolarray<N_NRN_MON_X, 13> nrn_mon_x_buf(.in = nrn_mon_dec_x.out, .out = nrn_mon_x, .supply = supply);
decoder_dualrail_en<NC_NRN_MON_Y, N_NRN_MON_Y> nrn_mon_dec_y(.supply = supply);
nrn_mon_dec_y.en = register.data[1].d[0].t;
(i:NC_NRN_MON_Y:
nrn_mon_dec_y.in.d[i] = register.data[2].d[i+NC_NRN_MON_X];
)
sigbuf_boolarray<N_NRN_MON_Y, 48> nrn_mon_y_buf(.in = nrn_mon_dec_y.out, .out = nrn_mon_y, .supply = supply);
decoder_dualrail_en<NC_SYN_MON_X, N_SYN_MON_X> syn_mon_dec_x(
.supply = supply);
syn_mon_dec_x.en = register.data[1].d[1].t;
(i:NC_SYN_MON_X:
syn_mon_dec_x.in.d[i] = register.data[3].d[i];
)
sigbuf_boolarray<N_SYN_MON_X, 13> syn_mon_x_buf(.out = syn_mon_x, .supply = supply);
decoder_dualrail_en<NC_SYN_MON_Y, N_SYN_MON_Y> syn_mon_dec_y(.supply = supply);
syn_mon_dec_y.en = register.data[1].d[1].t;
(i:NC_SYN_MON_Y:
syn_mon_dec_y.in.d[i] = register.data[3].d[i+NC_SYN_MON_X];
)
sigbuf_boolarray<N_SYN_MON_Y, 48> syn_mon_y_buf(.out = syn_mon_y, .in = syn_mon_dec_y.out, .supply = supply);
// Device debug hard-wired safety (reg0, b05 = DEV_DEBUG)
// Stops the possibility of dev_mon being high while some other sig is high.
// Otherwise boom.
// Also the 4th monitor line to each synapse is active LOW, needs inverter.
bool DEV_DEBUG;
pint NSMX4 = N_SYN_MON_X/4; // Self explanatory
sigbuf<std::max(NSMX4,4)> sb_DEV_DEBUG(.in = register.data[0].d[5].t,
.supply = supply);
DEV_DEBUG = sb_DEV_DEBUG.out[0];
INV_X1 syn_targ_set_high_inv[NSMX4];
[NSMX4 >= 1 ->
AND2_X1 ands_devmon[NSMX4];
(i:NSMX4:
ands_devmon[i].a = syn_mon_dec_x.out[1+i*4];
ands_devmon[i].b = DEV_DEBUG;
ands_devmon[i].y = syn_mon_x_buf.in[1+i*4];
ands_devmon[i].vdd = supply.vdd;
ands_devmon[i].vss = supply.vss;
syn_targ_set_high_inv[i].a = syn_mon_dec_x.out[3+i*4];
syn_targ_set_high_inv[i].y = syn_mon_x_buf.in[3+i*4];
syn_targ_set_high_inv[i].vdd = supply.vdd;
syn_targ_set_high_inv[i].vss = supply.vss;
)
// Wire up the remaining lines.
(i:N_SYN_MON_X:
[(~(i%4 = 1)) & (~(i%4=3))->
syn_mon_x_buf.in[i] = syn_mon_dec_x.out[i];
]
)
]
// Create TBUFs for each synapse column,
// ctrl wired to mon line (first in each 4).
TBUF_X4 syn_x_AMZI_tbuf[N_SYN_X * N_MON_AMZO_PER_SYN];
KEEP syn_AMZO_keeps[N_MON_AMZO_PER_SYN];
sigbuf_boolarray<N_MON_AMZO_PER_SYN, 40> syn_mon_AMZO_sb(.out = syn_mon_AMZO, .supply = supply);
(j:N_MON_AMZO_PER_SYN:
(i:N_SYN_X:
index = i*N_MON_AMZO_PER_SYN + j;
syn_x_AMZI_tbuf[index].a = syn_mon_AMZI[index];
syn_x_AMZI_tbuf[index].en = syn_mon_x[i*4];
syn_x_AMZI_tbuf[index].y = syn_mon_AMZO_sb.in[j];
)
syn_AMZO_keeps[j].y = syn_mon_AMZO_sb.in[j];
syn_AMZO_keeps[j].vdd = supply.vdd;
syn_AMZO_keeps[j].vss = supply.vss;
)
// Create TBUFs for each neuron column, and add keeps.
// ctrl wired to mon line (first in each 4).
TBUF_X4 nrn_x_AMZI_tbuf[N_NRN_X * N_MON_AMZO_PER_NRN];
KEEP nrn_AMZO_keeps[N_MON_AMZO_PER_NRN];
sigbuf_boolarray<N_MON_AMZO_PER_NRN, 40> nrn_mon_AMZO_sb(.out = nrn_mon_AMZO, .supply = supply);
(j:N_MON_AMZO_PER_NRN:
(i:N_NRN_X:
index = i*N_MON_AMZO_PER_NRN + j;
nrn_x_AMZI_tbuf[index].a = nrn_mon_AMZI[index];
nrn_x_AMZI_tbuf[index].en = nrn_mon_x[i*2];
nrn_x_AMZI_tbuf[index].y = nrn_mon_AMZO_sb.in[j];
)
nrn_AMZO_keeps[j].y = nrn_mon_AMZO_sb.in[j];
nrn_AMZO_keeps[j].vdd = supply.vdd;
nrn_AMZO_keeps[j].vss = supply.vss;
)
// Create buffered signals from register to nrns.
sigbuf_boolarray<N_FLAGS_PER_NRN, 31> sb_nrn_EFO(.out = nrn_flags_EFO, .supply = supply);
(i:N_FLAGS_PER_NRN:
sb_nrn_EFO.in[i] = register.data[5].d[i].t;
)
// Create buffered signals from register to synapses.
// Includes safety on the first 3 flags with dev mon.
sigbuf_boolarray<N_FLAGS_PER_SYN, 31> sb_syn_EFO(.out = syn_flags_EFO, .supply = supply);
(i:3..N_FLAGS_PER_SYN-1:
sb_syn_EFO.in[i] = register.data[4].d[i].t;
)
AND2_X1 syn_flags_dev_safety[3];
(i:0..2:
syn_flags_dev_safety[i].a = register.data[4].d[i].t; // syn flag bit
syn_flags_dev_safety[i].b = register.data[0].d[5].f; // no device is being monitored.
sb_syn_EFO.in[i] = syn_flags_dev_safety[i].y;
syn_flags_dev_safety[i].vdd = supply.vdd;
syn_flags_dev_safety[i].vss = supply.vss;
)
// Create non-buffered reset signals for the neuron/syn handshakes
// Since sigs are buffered before each neuron.
sigbuf<N_SYN_X> rsb_syn_hs(.in = _reset_BX, .out = reset_syn_hs_BO, .supply = supply);
sigbuf<N_NRN_X> rsb_nrn_hs(.in = _reset_BX, .out = reset_nrn_hs_BO, .supply = supply);
sigbuf<N_SYN_X> rsb_syn_storage(.in = reset_syn_stge_BI, .out = reset_syn_stge_BO, .supply = supply);
INV_X1 nrn_reset_stge_inv(.a = register.data[0].d[6].t, .vdd = supply.vdd, .vss = supply.vss);
sigbuf<N_NRN_X> rsb_nrn_storage(.in = nrn_reset_stge_inv.y, .out = reset_nrn_stge_BO, .supply = supply);
}
export template<pint N_IN, // Size of input data from outside world
N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y, // Number of neurons / synapses
NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,
N_SYN_DLY_CFG,
N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,
N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN, // Number of signals that each synapse outputs to be monitored.
N_FLAGS_PER_SYN, N_FLAGS_PER_NRN, // Number of signals that each nrn/syn recieves from the register.
N_BUFFERS,
N_LINE_PD_DLY, // Number of dummy delays to add line pull down
N_BD_DLY_CFG, N_BD_DLY_CFG2,
REG_NCA, REG_NCW, REG_M>
defproc texel_singlecore (bd<N_IN> in, out;
Mx1of2<REG_NCW> reg_data[REG_M];
// a1of1 synapses[N_SYN_X * N_SYN_Y];
// a1of1 neurons[N_NRN_X * N_NRN_Y];
bool! nrn_mon_x[N_NRN_MON_X], nrn_mon_y[N_NRN_MON_Y];
bool! syn_mon_x[N_SYN_MON_X], syn_mon_y[N_SYN_MON_Y];
bool? syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! syn_mon_AMZO[N_MON_AMZO_PER_SYN], nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! syn_flags_EFO[N_FLAGS_PER_SYN], nrn_flags_EFO[N_FLAGS_PER_NRN];
bool? bd_dly_cfg[N_BD_DLY_CFG], bd_dly_cfg2[N_BD_DLY_CFG2];
bool? loopback_en;
power supply;
bool? reset_B){
bool _reset_BX;
BUF_X12 reset_buf(.a = reset_B, .y = _reset_BX, .vdd = supply.vdd, .vss = supply.vss);
pint index = 0; // Just useful
bd2qdi<N_IN, N_BD_DLY_CFG, N_BD_DLY_CFG2> _bd2qdi(.in = in, .dly_cfg = bd_dly_cfg, .dly_cfg2 = bd_dly_cfg2,
.reset_B = _reset_BX, .supply = supply);
fifo<N_IN,N_BUFFERS> fifo_in2fork(.in = _bd2qdi.out, .reset_B = _reset_BX, .supply = supply);
fork<N_IN> _fork(.in = fifo_in2fork.out, .reset_B = _reset_BX, .supply = supply);
// Loopback
fifo<N_IN,N_BUFFERS> fifo_fork2drop(.in = _fork.out1, .reset_B = _reset_BX, .supply = supply);
dropper_static<N_IN, false> _loopback_dropper(.in = fifo_fork2drop.out, .cond = loopback_en,
.supply = supply);
fifo<N_IN,N_BUFFERS> fifo_drop2mrg(.in = _loopback_dropper.out, .reset_B = _reset_BX, .supply = supply);
// Onwards to core
fifo<N_IN,N_BUFFERS> fifo_fork2core(.in = _fork.out2, .reset_B = _reset_BX, .supply = supply);
texel_core<N_IN,N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y,NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,N_SYN_DLY_CFG,N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN,N_FLAGS_PER_SYN, N_FLAGS_PER_NRN,N_BUFFERS,N_LINE_PD_DLY, REG_NCA, REG_NCW, REG_M>
core(.in = fifo_fork2core.out,
.reg_data = reg_data,
// .synapses = synapses,
// .neurons = neurons,
.nrn_mon_x = nrn_mon_x, .nrn_mon_y = nrn_mon_y,
.syn_mon_x = syn_mon_x, .syn_mon_y = syn_mon_y,
.syn_mon_AMZI = syn_mon_AMZI, .nrn_mon_AMZI = nrn_mon_AMZI,
.syn_mon_AMZO = syn_mon_AMZO, .nrn_mon_AMZO = nrn_mon_AMZO,
.syn_flags_EFO = syn_flags_EFO, .nrn_flags_EFO = nrn_flags_EFO,
.reset_B = _reset_BX,
.supply = supply
);
// qdi2bd
fifo<N_IN, N_BUFFERS> fifo_core2mrg(.in = core.out,
.reset_B = _reset_BX, .supply = supply);
// merge core output and loopback
merge<N_IN> merge_drop8core(.in1 = fifo_core2mrg.out, .in2 = fifo_drop2mrg.out,
.supply = supply, .reset_B = _reset_BX);
qdi2bd<N_IN, N_BD_DLY_CFG> _qdi2bd(.in = merge_drop8core.out, .out = out, .dly_cfg = bd_dly_cfg,
.reset_B = _reset_BX, .supply = supply);
}
export template<pint N_IN, // Size of input data from outside world
N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y, // Number of neurons / synapses
NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,
N_SYN_DLY_CFG,
N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,
N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN, // Number of signals that each synapse outputs to be monitored.
N_FLAGS_PER_SYN, N_FLAGS_PER_NRN, // Number of signals that each nrn/syn recieves from the register.
N_BUFFERS,
N_LINE_PD_DLY, // Number of dummy delays to add line pull down
N_BD_DLY_CFG, N_BD_DLY_CFG2,
REG_NCA, REG_NCW, REG_M>
defproc texel_dualcore (bd<N_IN> in, out;
Mx1of2<REG_NCW> c1_reg_data[REG_M];
bool! c1_dec_req_x[N_SYN_X], c1_dec_req_y[N_SYN_Y];
bool? c1_dec_ackB[N_SYN_X];
a1of1 c1_syn_pu[N_SYN_X];
a1of1 c1_enc_inx[N_NRN_X], c1_enc_iny[N_NRN_Y];
a1of1 c1_nrn_pd_x[N_NRN_X], c1_nrn_pd_y[N_NRN_Y];
bool! c1_nrn_mon_x[N_NRN_MON_X], c1_nrn_mon_y[N_NRN_MON_Y];
bool! c1_syn_mon_x[N_SYN_MON_X], c1_syn_mon_y[N_SYN_MON_Y];
bool? c1_syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], c1_nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! c1_syn_mon_AMZO[N_MON_AMZO_PER_SYN], c1_nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! c1_syn_flags_EFO[N_FLAGS_PER_SYN], c1_nrn_flags_EFO[N_FLAGS_PER_NRN];
bool! c1_reset_nrn_hs_BO[N_NRN_X], c1_reset_syn_hs_BO[N_SYN_X],
c1_reset_nrn_stge_BO[N_NRN_X], c1_reset_syn_stge_BO[N_SYN_X];
Mx1of2<REG_NCW> c2_reg_data[REG_M];
bool! c2_dec_req_x[N_SYN_X], c2_dec_req_y[N_SYN_Y];
bool? c2_dec_ackB[N_SYN_X];
a1of1 c2_syn_pu[N_SYN_X];
a1of1 c2_enc_inx[N_NRN_X], c2_enc_iny[N_NRN_Y];
a1of1 c2_nrn_pd_x[N_NRN_X], c2_nrn_pd_y[N_NRN_Y];
bool! c2_nrn_mon_x[N_NRN_MON_X], c2_nrn_mon_y[N_NRN_MON_Y];
bool! c2_syn_mon_x[N_SYN_MON_X], c2_syn_mon_y[N_SYN_MON_Y];
bool? c2_syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], c2_nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! c2_syn_mon_AMZO[N_MON_AMZO_PER_SYN], c2_nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! c2_syn_flags_EFO[N_FLAGS_PER_SYN], c2_nrn_flags_EFO[N_FLAGS_PER_NRN];
bool! c2_reset_nrn_hs_BO[N_NRN_X], c2_reset_syn_hs_BO[N_SYN_X],
c2_reset_nrn_stge_BO[N_NRN_X], c2_reset_syn_stge_BO[N_SYN_X];
bool? bd_dly_cfg[N_BD_DLY_CFG], bd_dly_cfg2[N_BD_DLY_CFG2];
bool? loopback_en;
power supply;
bool? reset_B, reset_reg_B, reset_syn_stge_BI
){
// Reset buffers
bool _reset_BX;
BUF_X12 reset_buf(.a = reset_B, .y = _reset_BX, .vdd = supply.vdd, .vss = supply.vss);
bd2qdi<N_IN, N_BD_DLY_CFG, N_BD_DLY_CFG2> _bd2qdi(.in = in, .dly_cfg = bd_dly_cfg, .dly_cfg2 = bd_dly_cfg2,
.reset_B = _reset_BX, .supply = supply);
fifo<N_IN,N_BUFFERS> fifo_in2fork(.in = _bd2qdi.out, .reset_B = _reset_BX, .supply = supply);
fork<N_IN> _fork(.in = fifo_in2fork.out, .reset_B = _reset_BX, .supply = supply);
// Loopback
fifo<N_IN,N_BUFFERS> fifo_fork2drop(.in = _fork.out1, .reset_B = _reset_BX, .supply = supply);
dropper_static<N_IN, false> _loopback_dropper(.in = fifo_fork2drop.out, .cond = loopback_en,
.supply = supply);
fifo<N_IN,N_BUFFERS> fifo_drop2mrg(.in = _loopback_dropper.out, .reset_B = _reset_BX, .supply = supply);
// Onwards to core demux
fifo<N_IN,N_BUFFERS> fifo_fork2dmx(.in = _fork.out2, .reset_B = _reset_BX, .supply = supply);
demux_bit_msb<N_IN-1> core_dmx(.in = fifo_fork2dmx.out, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_dmx2core1(.in = core_dmx.out1, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_dmx2core2(.in = core_dmx.out2, .reset_B = _reset_BX, .supply = supply);
// Cores
texel_core<N_IN-1,N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y,NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,N_SYN_DLY_CFG,N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN,N_FLAGS_PER_SYN, N_FLAGS_PER_NRN,N_BUFFERS,N_LINE_PD_DLY, REG_NCA, REG_NCW, REG_M>
core1(.in = fifo_dmx2core1.out,
.reg_data = c1_reg_data,
// .synapses = c1_synapses,
// .neurons = c1_neurons,
.dec_req_x = c1_dec_req_x, .dec_req_y = c1_dec_req_y,
.dec_ackB = c1_dec_ackB,
.syn_pu = c1_syn_pu,
.enc_inx = c1_enc_inx, .enc_iny = c1_enc_iny,
.nrn_pd_x = c1_nrn_pd_x, .nrn_pd_y = c1_nrn_pd_y,
.nrn_mon_x = c1_nrn_mon_x, .nrn_mon_y = c1_nrn_mon_y,
.syn_mon_x = c1_syn_mon_x, .syn_mon_y = c1_syn_mon_y,
.syn_mon_AMZI = c1_syn_mon_AMZI, .nrn_mon_AMZI = c1_nrn_mon_AMZI,
.syn_mon_AMZO = c1_syn_mon_AMZO, .nrn_mon_AMZO = c1_nrn_mon_AMZO,
.syn_flags_EFO = c1_syn_flags_EFO, .nrn_flags_EFO = c1_nrn_flags_EFO,
.reset_B = _reset_BX, .reset_reg_B = reset_reg_B, .reset_syn_stge_BI = reset_syn_stge_BI,
.reset_syn_hs_BO = c1_reset_syn_hs_BO, .reset_syn_stge_BO = c1_reset_syn_stge_BO,
.reset_nrn_hs_BO = c1_reset_nrn_hs_BO, .reset_nrn_stge_BO = c1_reset_nrn_stge_BO,
.supply = supply
);
texel_core<N_IN-1,N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y,NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,N_SYN_DLY_CFG,N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN,N_FLAGS_PER_SYN, N_FLAGS_PER_NRN,N_BUFFERS,N_LINE_PD_DLY, REG_NCA, REG_NCW, REG_M>
core2(.in = fifo_dmx2core2.out,
.reg_data = c2_reg_data,
// .synapses = c2_synapses,
// .neurons = c2_neurons,
.dec_req_x = c2_dec_req_x, .dec_req_y = c2_dec_req_y,
.dec_ackB = c2_dec_ackB,
.syn_pu = c2_syn_pu,
.enc_inx = c2_enc_inx, .enc_iny = c2_enc_iny,
.nrn_pd_x = c2_nrn_pd_x, .nrn_pd_y = c2_nrn_pd_y,
.nrn_mon_x = c2_nrn_mon_x, .nrn_mon_y = c2_nrn_mon_y,
.syn_mon_x = c2_syn_mon_x, .syn_mon_y = c2_syn_mon_y,
.syn_mon_AMZI = c2_syn_mon_AMZI, .nrn_mon_AMZI = c2_nrn_mon_AMZI,
.syn_mon_AMZO = c2_syn_mon_AMZO, .nrn_mon_AMZO = c2_nrn_mon_AMZO,
.syn_flags_EFO = c2_syn_flags_EFO, .nrn_flags_EFO = c2_nrn_flags_EFO,
.reset_B = _reset_BX, .reset_reg_B = reset_reg_B, .reset_syn_stge_BI = reset_syn_stge_BI,
.reset_syn_hs_BO = c2_reset_syn_hs_BO, .reset_syn_stge_BO = c2_reset_syn_stge_BO,
.reset_nrn_hs_BO = c2_reset_nrn_hs_BO, .reset_nrn_stge_BO = c2_reset_nrn_stge_BO,
.supply = supply
);
fifo<N_IN-1,N_BUFFERS> fifo_core1out(.in = core1.out, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_core2out(.in = core2.out, .reset_B = _reset_BX, .supply = supply);
// Merge cores
append<N_IN-1, 1, 0> append_core1(.in = fifo_core1out.out, .supply = supply);
append<N_IN-1, 1, 1> append_core2(.in = fifo_core2out.out, .supply = supply);
merge<N_IN> merge_core1x2(.in1 = append_core1.out, .in2 = append_core2.out,
.supply = supply, .reset_B = _reset_BX);
// Merge cores and loopback
merge<N_IN> merge_drop8core(.in1 = merge_core1x2.out, .in2 = fifo_drop2mrg.out,
.reset_B = _reset_BX, .supply = supply);
// qdi2bd
fifo<N_IN, N_BUFFERS> fifo_mrg2bd(.in = merge_drop8core.out,
.reset_B = _reset_BX, .supply = supply);
qdi2bd<N_IN, N_BD_DLY_CFG> _qdi2bd(.in = fifo_mrg2bd.out, .out = out, .dly_cfg = bd_dly_cfg,
.reset_B = _reset_BX, .supply = supply);
}
export template<pint N_IN, // Size of input data from outside world
N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y, // Number of neurons / synapses
NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,
N_SYN_DLY_CFG,
N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,
N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN, // Number of signals that each synapse outputs to be monitored.
N_FLAGS_PER_SYN, N_FLAGS_PER_NRN, // Number of signals that each nrn/syn recieves from the register.
N_BUFFERS,
N_LINE_PD_DLY, // Number of dummy delays to add line pull down
N_BD_DLY_CFG, N_BD_DLY_CFG2,
REG_NCA, REG_NCW, REG_M>
defproc texel_dualcore_mapper (bd<N_IN> in, out;
Mx1of2<REG_NCW> c1_reg_data[REG_M];
bool! c1_dec_req_x[N_SYN_X], c1_dec_req_y[N_SYN_Y];
bool? c1_dec_ackB[N_SYN_X];
a1of1 c1_syn_pu[N_SYN_X];
a1of1 c1_enc_inx[N_NRN_X], c1_enc_iny[N_NRN_Y];
a1of1 c1_nrn_pd_x[N_NRN_X], c1_nrn_pd_y[N_NRN_Y];
bool! c1_nrn_mon_x[N_NRN_MON_X], c1_nrn_mon_y[N_NRN_MON_Y];
bool! c1_syn_mon_x[N_SYN_MON_X], c1_syn_mon_y[N_SYN_MON_Y];
bool? c1_syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], c1_nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! c1_syn_mon_AMZO[N_MON_AMZO_PER_SYN], c1_nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! c1_syn_flags_EFO[N_FLAGS_PER_SYN], c1_nrn_flags_EFO[N_FLAGS_PER_NRN];
bool! c1_reset_nrn_hs_BO[N_NRN_X], c1_reset_syn_hs_BO[N_SYN_X],
c1_reset_nrn_stge_BO[N_NRN_X], c1_reset_syn_stge_BO[N_SYN_X];
Mx1of2<REG_NCW> c2_reg_data[REG_M];
bool! c2_dec_req_x[N_SYN_X], c2_dec_req_y[N_SYN_Y];
bool? c2_dec_ackB[N_SYN_X];
a1of1 c2_syn_pu[N_SYN_X];
a1of1 c2_enc_inx[N_NRN_X], c2_enc_iny[N_NRN_Y];
a1of1 c2_nrn_pd_x[N_NRN_X], c2_nrn_pd_y[N_NRN_Y];
bool! c2_nrn_mon_x[N_NRN_MON_X], c2_nrn_mon_y[N_NRN_MON_Y];
bool! c2_syn_mon_x[N_SYN_MON_X], c2_syn_mon_y[N_SYN_MON_Y];
bool? c2_syn_mon_AMZI[N_SYN_X * N_MON_AMZO_PER_SYN], c2_nrn_mon_AMZI[N_NRN_X * N_MON_AMZO_PER_NRN];
bool! c2_syn_mon_AMZO[N_MON_AMZO_PER_SYN], c2_nrn_mon_AMZO[N_MON_AMZO_PER_NRN];
bool! c2_syn_flags_EFO[N_FLAGS_PER_SYN], c2_nrn_flags_EFO[N_FLAGS_PER_NRN];
bool! c2_reset_nrn_hs_BO[N_NRN_X], c2_reset_syn_hs_BO[N_SYN_X],
c2_reset_nrn_stge_BO[N_NRN_X], c2_reset_syn_stge_BO[N_SYN_X];
bool? bd_dly_cfg[N_BD_DLY_CFG], bd_dly_cfg2[N_BD_DLY_CFG2];
bool? loopback_en;
power supply;
bool? reset_B, reset_reg_B, reset_syn_stge_BI;
// MAPPER STUFF
bool? mapper_en;
avMx1of2<30> out_sram_wr; // Input packets to go to SRAM (rw word addr)
avMx1of2<8> out_sram_spk; // Spike packets from enc to go to SRAM (core-nrn addr)
avMx1of2<29> in_sram_r; // Readout packets from SRAM
avMx1of2<14> in_sram_spk // Spike packets from SRAM (core-syn addr)
){
// Reset buffers
bool _reset_BX;
BUF_X12 reset_buf(.a = reset_B, .y = _reset_BX, .vdd = supply.vdd, .vss = supply.vss);
bd2qdi<N_IN, N_BD_DLY_CFG, N_BD_DLY_CFG2> _bd2qdi(.in = in, .dly_cfg = bd_dly_cfg, .dly_cfg2 = bd_dly_cfg2,
.reset_B = _reset_BX, .supply = supply);
fifo<N_IN,N_BUFFERS> fifo_in2fork(.in = _bd2qdi.out, .reset_B = _reset_BX, .supply = supply);
fork<N_IN> _fork(.in = fifo_in2fork.out, .reset_B = _reset_BX, .supply = supply);
// Loopback
fifo<N_IN,N_BUFFERS> fifo_fork2drop(.in = _fork.out1, .reset_B = _reset_BX, .supply = supply);
dropper_static<N_IN, false> _loopback_dropper(.in = fifo_fork2drop.out, .cond = loopback_en,
.supply = supply);
fifo<N_IN,N_BUFFERS> fifo_drop2mrg(.in = _loopback_dropper.out, .reset_B = _reset_BX, .supply = supply);
// dmx to SRAM
bool is_to_sram, is_to_cores;
fifo<32, N_BUFFERS> fifo_fork2sramdmx(.in = _fork.out2, .supply = supply, .reset_B = _reset_BX);
demux<32> sram_dmx(.in = fifo_fork2sramdmx.out, .supply = supply, .reset_B = _reset_BX);
sram_dmx.cond.d.d[0].t = is_to_sram;
sram_dmx.cond.d.d[0].f = is_to_cores;
AND2_X1 sram_dmx_and(.a = sram_dmx.in.d.d[30].f, .b = sram_dmx.in.d.d[29].t,
.y = is_to_sram,
.vdd = supply.vdd, .vss = supply.vss);
OR3_X1 sram_dmx_or(.a = sram_dmx.in.d.d[30].t, .b = sram_dmx.in.d.d[30].t, .c = sram_dmx.in.d.d[29].f,
.y = is_to_cores,
.vdd = supply.vdd, .vss = supply.vss);
slice_data<32, 0, 30> pre_sram_slice(.supply = supply);
pre_sram_slice.in.a = sram_dmx.out2.a;
pre_sram_slice.in.v = sram_dmx.out2.v;
(i:29:pre_sram_slice.in.d.d[i] = sram_dmx.out2.d.d[i];)
pre_sram_slice.in.d.d[29] = sram_dmx.out2.d.d[31];
pre_sram_slice.in.d.d[30] = sram_dmx.out2.d.d[30];
pre_sram_slice.in.d.d[31] = sram_dmx.out2.d.d[29];
fifo<30, N_BUFFERS> fifo_out_sram_wr(.in = pre_sram_slice.out, .out = out_sram_wr,
.reset_B = _reset_BX, .supply = supply);
// fifo_out_sram_wr.in.a = pre_sram_slice.out.a;
// fifo_out_sram_wr.in.v = pre_sram_slice.out.v;
// (i:29:fifo_out_sram_wr.in.d.d[i] = pre_sram_slice.out.d.d[i];)
// fifo_out_sram_wr.in.d.d[29] = pre_sram_slice.in.d.d[31];
// spikes from sram
// requires weird merging because [core, syny, synx] needs to go to [core, ZEROES, syny, synx]
fifo<14, N_BUFFERS> fifo_in_sram_spk(.in = in_sram_spk, .reset_B = _reset_BX, .supply = supply);
append<14,32,0> sram_spk_in_append(.in = fifo_in_sram_spk.out, .supply = supply);
merge<32> merge_dmx8spk(.in1 = sram_dmx.out1, .reset_B = _reset_BX, .supply = supply);
merge_dmx8spk.in2.a = sram_spk_in_append.out.a;
merge_dmx8spk.in2.v = sram_spk_in_append.out.v;
(i:13: merge_dmx8spk.in2.d.d[i] = sram_spk_in_append.out.d.d[i];)
merge_dmx8spk.in2.d.d[31] = sram_spk_in_append.out.d.d[13];
(i:13..30: merge_dmx8spk.in2.d.d[i] = sram_spk_in_append.out.d.d[i+1];)
// Onwards to core demux
fifo<N_IN,N_BUFFERS> fifo_fork2dmx(.in = merge_dmx8spk.out, .reset_B = _reset_BX, .supply = supply);
demux_bit_msb<N_IN-1> core_dmx(.in = fifo_fork2dmx.out, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_dmx2core1(.in = core_dmx.out1, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_dmx2core2(.in = core_dmx.out2, .reset_B = _reset_BX, .supply = supply);
// Cores
texel_core<N_IN-1,N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y,NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,N_SYN_DLY_CFG,N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN,N_FLAGS_PER_SYN, N_FLAGS_PER_NRN,N_BUFFERS,N_LINE_PD_DLY, REG_NCA, REG_NCW, REG_M>
core1(.in = fifo_dmx2core1.out,
.reg_data = c1_reg_data,
// .synapses = c1_synapses,
// .neurons = c1_neurons,
.dec_req_x = c1_dec_req_x, .dec_req_y = c1_dec_req_y,
.dec_ackB = c1_dec_ackB,
.syn_pu = c1_syn_pu,
.enc_inx = c1_enc_inx, .enc_iny = c1_enc_iny,
.nrn_pd_x = c1_nrn_pd_x, .nrn_pd_y = c1_nrn_pd_y,
.nrn_mon_x = c1_nrn_mon_x, .nrn_mon_y = c1_nrn_mon_y,
.syn_mon_x = c1_syn_mon_x, .syn_mon_y = c1_syn_mon_y,
.syn_mon_AMZI = c1_syn_mon_AMZI, .nrn_mon_AMZI = c1_nrn_mon_AMZI,
.syn_mon_AMZO = c1_syn_mon_AMZO, .nrn_mon_AMZO = c1_nrn_mon_AMZO,
.syn_flags_EFO = c1_syn_flags_EFO, .nrn_flags_EFO = c1_nrn_flags_EFO,
.reset_B = _reset_BX, .reset_reg_B = reset_reg_B, .reset_syn_stge_BI = reset_syn_stge_BI,
.reset_syn_hs_BO = c1_reset_syn_hs_BO, .reset_syn_stge_BO = c1_reset_syn_stge_BO,
.reset_nrn_hs_BO = c1_reset_nrn_hs_BO, .reset_nrn_stge_BO = c1_reset_nrn_stge_BO,
.supply = supply
);
texel_core<N_IN-1,N_NRN_X, N_NRN_Y, N_SYN_X, N_SYN_Y,NC_NRN_X, NC_NRN_Y, NC_SYN_X, NC_SYN_Y,N_SYN_DLY_CFG,N_NRN_MON_X, N_NRN_MON_Y, N_SYN_MON_X, N_SYN_MON_Y,N_MON_AMZO_PER_SYN, N_MON_AMZO_PER_NRN,N_FLAGS_PER_SYN, N_FLAGS_PER_NRN,N_BUFFERS,N_LINE_PD_DLY, REG_NCA, REG_NCW, REG_M>
core2(.in = fifo_dmx2core2.out,
.reg_data = c2_reg_data,
// .synapses = c2_synapses,
// .neurons = c2_neurons,
.dec_req_x = c2_dec_req_x, .dec_req_y = c2_dec_req_y,
.dec_ackB = c2_dec_ackB,
.syn_pu = c2_syn_pu,
.enc_inx = c2_enc_inx, .enc_iny = c2_enc_iny,
.nrn_pd_x = c2_nrn_pd_x, .nrn_pd_y = c2_nrn_pd_y,
.nrn_mon_x = c2_nrn_mon_x, .nrn_mon_y = c2_nrn_mon_y,
.syn_mon_x = c2_syn_mon_x, .syn_mon_y = c2_syn_mon_y,
.syn_mon_AMZI = c2_syn_mon_AMZI, .nrn_mon_AMZI = c2_nrn_mon_AMZI,
.syn_mon_AMZO = c2_syn_mon_AMZO, .nrn_mon_AMZO = c2_nrn_mon_AMZO,
.syn_flags_EFO = c2_syn_flags_EFO, .nrn_flags_EFO = c2_nrn_flags_EFO,
.reset_B = _reset_BX, .reset_reg_B = reset_reg_B, .reset_syn_stge_BI = reset_syn_stge_BI,
.reset_syn_hs_BO = c2_reset_syn_hs_BO, .reset_syn_stge_BO = c2_reset_syn_stge_BO,
.reset_nrn_hs_BO = c2_reset_nrn_hs_BO, .reset_nrn_stge_BO = c2_reset_nrn_stge_BO,
.supply = supply
);
fifo<N_IN-1,N_BUFFERS> fifo_core1out(.in = core1.out, .reset_B = _reset_BX, .supply = supply);
fifo<N_IN-1,N_BUFFERS> fifo_core2out(.in = core2.out, .reset_B = _reset_BX, .supply = supply);
// Merge cores
append<N_IN-1, 1, 0> append_core1(.in = fifo_core1out.out, .supply = supply);
append<N_IN-1, 1, 1> append_core2(.in = fifo_core2out.out, .supply = supply);
merge<N_IN> merge_core1x2(.in1 = append_core1.out, .in2 = append_core2.out,
.supply = supply, .reset_B = _reset_BX);
// fork after core merge then go to mapper if its a spike
fifo<32, N_BUFFERS> fifo_core2fork(.in = merge_core1x2.out, .reset_B = _reset_BX, .supply = supply);
fork<32> postcore_fork(.in = fifo_core2fork.out, .reset_B = _reset_BX, .supply = supply);
dropper_static<32, false> sram_dropper(.in = postcore_fork.out1, .cond = mapper_en, .supply = supply);
// Need to have it then drop the spike if its from a register.
demux_td<32, false> drop_if_reg(.in = sram_dropper.out, .reset_B = _reset_BX, .supply = supply); // if cond true, go out on data
drop_if_reg.cond.d.d[0] = sram_dropper.out.d.d[30];
drop_if_reg.token.r = drop_if_reg.token.a;
fifo<8,N_BUFFERS> fifo_out_sram_spk(.out = out_sram_spk, .reset_B = _reset_BX, .supply = supply);
slice_data<32,0,8> slice_to_sram(.in = drop_if_reg.out, .out = fifo_out_sram_spk.in, .supply = supply);
// And move the msb (core bit) to just after the neuron address...
slice_to_sram.in.a = drop_if_reg.out.a;
slice_to_sram.in.v = drop_if_reg.out.v;
(i:7:slice_to_sram.in.d.d[i] = drop_if_reg.out.d.d[i];)
slice_to_sram.in.d.d[7] = drop_if_reg.out.d.d[31];
(i:7..30: slice_to_sram.in.d.d[i+1] = drop_if_reg.out.d.d[i];)
// merge from cores and sram read in
fifo<29, N_BUFFERS> fifo_in_sram_r(.in = in_sram_r, .reset_B = _reset_BX, .supply = supply);
fifo<32, N_BUFFERS> fifo_fork2mrg(.in = postcore_fork.out2, .reset_B = _reset_BX, .supply = supply);
append<29,3,2> sram_read_in_append(.in = fifo_in_sram_r.out, .supply = supply);
merge<32> merge_sram8core(.in1 = fifo_fork2mrg.out, .in2 = sram_read_in_append.out,
.reset_B = _reset_BX, .supply = supply);
// Merge cores and loopback
fifo<32, N_BUFFERS> fifo_mrg2mrg(.in = merge_sram8core.out, .reset_B = _reset_BX, .supply = supply);
merge<N_IN> merge_drop8core(.in1 = fifo_mrg2mrg.out, .in2 = fifo_drop2mrg.out,
.reset_B = _reset_BX, .supply = supply);
// qdi2bd
fifo<N_IN, N_BUFFERS> fifo_mrg2bd(.in = merge_drop8core.out,
.reset_B = _reset_BX, .supply = supply);
qdi2bd<N_IN, N_BD_DLY_CFG> _qdi2bd(.in = fifo_mrg2bd.out, .out = out, .dly_cfg = bd_dly_cfg,
.reset_B = _reset_BX, .supply = supply);
}
}
}
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