from simple_config import * def is_io(x, y): return x == 0 or x == X-1 or y == 0 or y == Y-1 for x in range(X): for y in range(Y): # Bel port wires for z in range(N): ctx.addWire(name="X%dY%dZ%d_CLK" % (x, y, z), type="BEL_CLK", x=x, y=y) ctx.addWire(name="X%dY%dZ%d_Q" % (x, y, z), type="BEL_Q", x=x, y=y) ctx.addWire(name="X%dY%dZ%d_F" % (x, y, z), type="BEL_F", x=x, y=y) for i in range(K): ctx.addWire(name="X%dY%dZ%d_I%d" % (x, y, z, i), type="BEL_I", x=x, y=y) # Local wires for l in range(Wl): ctx.addWire(name="X%dY%d_LOCAL%d" % (x, y, l), type="LOCAL", x=x, y=y) # Create bels if is_io(x, y): if x == y: continue for z in range(2): ctx.addBel(name="X%dY%d_IO%d" % (x, y, z), type="GENERIC_IOB", loc=Loc(x, y, z), gb=False, hidden=False) ctx.addBelInput(bel="X%dY%d_IO%d" % (x, y, z), name="I", wire="X%dY%dZ%d_I0" % (x, y, z)) ctx.addBelInput(bel="X%dY%d_IO%d" % (x, y, z), name="EN", wire="X%dY%dZ%d_I1" % (x, y, z)) ctx.addBelOutput(bel="X%dY%d_IO%d" % (x, y, z), name="O", wire="X%dY%dZ%d_Q" % (x, y, z)) else: for z in range(N): ctx.addBel(name="X%dY%d_SLICE%d" % (x, y, z), type="GENERIC_SLICE", loc=Loc(x, y, z), gb=False, hidden=False) ctx.addBelInput(bel="X%dY%d_SLICE%d" % (x, y, z), name="CLK", wire="X%dY%dZ%d_CLK" % (x, y, z)) for k in range(K): ctx.addBelInput(bel="X%dY%d_SLICE%d" % (x, y, z), name="I[%d]" % k, wire="X%dY%dZ%d_I%d" % (x, y, z, k)) ctx.addBelOutput(bel="X%dY%d_SLICE%d" % (x, y, z), name="F", wire="X%dY%dZ%d_F" % (x, y, z)) ctx.addBelOutput(bel="X%dY%d_SLICE%d" % (x, y, z), name="Q", wire="X%dY%dZ%d_Q" % (x, y, z)) for x in range(X): for y in range(Y): # Pips driving bel input wires # Bel input wires are driven by every Si'th local with an offset def create_input_pips(dst, offset, skip): for i in range(offset % skip, Wl, skip): src = "X%dY%d_LOCAL%d" % (x, y, i) ctx.addPip(name="X%dY%d.%s.%s" % (x, y, src, dst), type="BEL_INPUT", srcWire=src, dstWire=dst, delay=ctx.getDelayFromNS(0.05), loc=Loc(x, y, 0)) for z in range(N): create_input_pips("X%dY%dZ%d_CLK" % (x, y, z), 0, Si) for k in range(K): create_input_pips("X%dY%dZ%d_I%d" % (x, y, z, k), k % Si, Si) # Pips from bel outputs to locals def create_output_pips(dst, offset, skip): for i in range(offset % skip, N, skip): src = "X%dY%dZ%d_F" % (x, y, i) ctx.addPip(name="X%dY%d.%s.%s" % (x, y, src, dst), type="BEL_OUTPUT", srcWire=src, dstWire=dst, delay=ctx.getDelayFromNS(0.05), loc=Loc(x, y, 0)) src = "X%dY%dZ%d_Q" % (x, y, i) ctx.addPip(name="X%dY%d.%s.%s" % (x, y, src, dst), type="BEL_OUTPUT", srcWire=src, dstWire=dst, delay=ctx.getDelayFromNS(0.05), loc=Loc(x, y, 0)) # Pips from neighbour locals to locals def create_neighbour_pips(dst, nx, ny, offset, skip): if nx < 0 or nx >= X or ny < 0 or ny >= Y: return for i in range(offset % skip, Wl, skip): src = "X%dY%d_LOCAL%d" % (nx, ny, i) ctx.addPip(name="X%dY%d.%s.%s" % (x, y, src, dst), type="NEIGHBOUR", srcWire=src, dstWire=dst, delay=ctx.getDelayFromNS(0.05), loc=Loc(x, y, 0)) for l in range(Wl): dst = "X%dY%d_LOCAL%d" % (x, y, l) create_output_pips(dst, l % Sq, Sq) create_neighbour_pips(dst, x-1, y-1, (l + 1) % Sl, Sl) create_neighbour_pips(dst, x-1, y, (l + 2) % Sl, Sl) create_neighbour_pips(dst, x-1, y+1, (l + 2) % Sl, Sl) create_neighbour_pips(dst, x, y-1, (l + 3) % Sl, Sl) create_neighbour_pips(dst, x, y+1, (l + 4) % Sl, Sl) create_neighbour_pips(dst, x+1, y-1, (l + 5) % Sl, Sl) create_neighbour_pips(dst, x+1, y, (l + 6) % Sl, Sl) create_neighbour_pips(dst, x+1, y+1, (l + 7) % Sl, Sl)