Improve iCE40 gfx for IO tiles and RAM tiles

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-08-18 16:20:33 +02:00
parent 5500cf3aff
commit 456a83430a
5 changed files with 243 additions and 23 deletions

View File

@ -342,15 +342,19 @@ std::vector<std::pair<IdString, std::string>> Arch::getWireAttrs(WireId wire) co
std::vector<std::pair<IdString, std::string>> ret;
auto &wi = chip_info->wire_data[wire.index];
ret.push_back(std::make_pair(id("INDEX"), stringf("%d", wi.netidx)));
ret.push_back(std::make_pair(id("GRID_X"), stringf("%d", wi.x)));
ret.push_back(std::make_pair(id("GRID_Y"), stringf("%d", wi.y)));
ret.push_back(std::make_pair(id("GRID_Z"), stringf("%d", wi.z)));
#if 0
for (int i = 0; i < wi.num_segments; i++) {
auto &si = wi.segments[i];
ret.push_back(std::make_pair(id(stringf("segment[%d]", i)),
stringf("X%d/Y%d/%s", si.x, si.y, chip_info->tile_wire_names[si.index].get())));
}
#endif
return ret;
}
@ -760,7 +764,7 @@ std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
GraphicElement el;
el.type = GraphicElement::TYPE_BOX;
el.style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_INACTIVE;
el.x1 = chip_info->bel_data[bel.index].x + logic_cell_x1;
el.x1 = chip_info->bel_data[bel.index].x + lut_swbox_x1;
el.x2 = chip_info->bel_data[bel.index].x + logic_cell_x2;
el.y1 = chip_info->bel_data[bel.index].y + logic_cell_y1 +
(4 * chip_info->bel_data[bel.index].z) * logic_cell_pitch;
@ -774,7 +778,7 @@ std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
GraphicElement el;
el.type = GraphicElement::TYPE_BOX;
el.style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_INACTIVE;
el.x1 = chip_info->bel_data[bel.index].x + logic_cell_x1;
el.x1 = chip_info->bel_data[bel.index].x + lut_swbox_x1;
el.x2 = chip_info->bel_data[bel.index].x + logic_cell_x2;
el.y1 = chip_info->bel_data[bel.index].y + logic_cell_y1 + i;
el.y2 = chip_info->bel_data[bel.index].y + logic_cell_y2 + i + 7 * logic_cell_pitch;

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@ -108,6 +108,8 @@ NPNR_PACKED_STRUCT(struct WireInfoPOD {
};
RelPtr<char> name;
int32_t netidx;
int32_t num_uphill, num_downhill;
RelPtr<int32_t> pips_uphill, pips_downhill;

View File

@ -96,6 +96,128 @@ with open(args.gfxh) as f:
gfx_wire_ids[name] = idx
gfx_wire_names.append(name)
def gfx_wire_alias(old, new):
assert old in gfx_wire_ids
assert new not in gfx_wire_ids
gfx_wire_ids[new] = gfx_wire_ids[old]
# GFX aliases for RAM tiles
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_0", "TILE_WIRE_RAM_RADDR_0")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_1", "TILE_WIRE_RAM_RADDR_1")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_2", "TILE_WIRE_RAM_RADDR_2")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_3", "TILE_WIRE_RAM_RADDR_3")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_0", "TILE_WIRE_RAM_RADDR_4")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_1", "TILE_WIRE_RAM_RADDR_5")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_2", "TILE_WIRE_RAM_RADDR_6")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_3", "TILE_WIRE_RAM_RADDR_7")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_0", "TILE_WIRE_RAM_RADDR_8")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_1", "TILE_WIRE_RAM_RADDR_9")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_2", "TILE_WIRE_RAM_RADDR_10")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_0", "TILE_WIRE_RAM_WADDR_0")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_1", "TILE_WIRE_RAM_WADDR_1")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_2", "TILE_WIRE_RAM_WADDR_2")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_3", "TILE_WIRE_RAM_WADDR_3")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_0", "TILE_WIRE_RAM_WADDR_4")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_1", "TILE_WIRE_RAM_WADDR_5")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_2", "TILE_WIRE_RAM_WADDR_6")
gfx_wire_alias("TILE_WIRE_LUTFF_1_IN_3", "TILE_WIRE_RAM_WADDR_7")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_0", "TILE_WIRE_RAM_WADDR_8")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_1", "TILE_WIRE_RAM_WADDR_9")
gfx_wire_alias("TILE_WIRE_LUTFF_2_IN_2", "TILE_WIRE_RAM_WADDR_10")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_0", "TILE_WIRE_RAM_MASK_0")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_1", "TILE_WIRE_RAM_MASK_1")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_2", "TILE_WIRE_RAM_MASK_2")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_3", "TILE_WIRE_RAM_MASK_3")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_0", "TILE_WIRE_RAM_MASK_4")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_1", "TILE_WIRE_RAM_MASK_5")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_2", "TILE_WIRE_RAM_MASK_6")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_3", "TILE_WIRE_RAM_MASK_7")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_0", "TILE_WIRE_RAM_MASK_8")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_1", "TILE_WIRE_RAM_MASK_9")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_2", "TILE_WIRE_RAM_MASK_10")
gfx_wire_alias("TILE_WIRE_LUTFF_3_IN_3", "TILE_WIRE_RAM_MASK_11")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_0", "TILE_WIRE_RAM_MASK_12")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_1", "TILE_WIRE_RAM_MASK_13")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_2", "TILE_WIRE_RAM_MASK_14")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_3", "TILE_WIRE_RAM_MASK_15")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_0", "TILE_WIRE_RAM_WDATA_0")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_1", "TILE_WIRE_RAM_WDATA_1")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_2", "TILE_WIRE_RAM_WDATA_2")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_3", "TILE_WIRE_RAM_WDATA_3")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_0", "TILE_WIRE_RAM_WDATA_4")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_1", "TILE_WIRE_RAM_WDATA_5")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_2", "TILE_WIRE_RAM_WDATA_6")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_3", "TILE_WIRE_RAM_WDATA_7")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_0", "TILE_WIRE_RAM_WDATA_8")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_1", "TILE_WIRE_RAM_WDATA_9")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_2", "TILE_WIRE_RAM_WDATA_10")
gfx_wire_alias("TILE_WIRE_LUTFF_5_IN_3", "TILE_WIRE_RAM_WDATA_11")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_0", "TILE_WIRE_RAM_WDATA_12")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_1", "TILE_WIRE_RAM_WDATA_13")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_2", "TILE_WIRE_RAM_WDATA_14")
gfx_wire_alias("TILE_WIRE_LUTFF_6_IN_3", "TILE_WIRE_RAM_WDATA_15")
gfx_wire_alias("TILE_WIRE_LUTFF_0_OUT", "TILE_WIRE_RAM_RDATA_0")
gfx_wire_alias("TILE_WIRE_LUTFF_1_OUT", "TILE_WIRE_RAM_RDATA_1")
gfx_wire_alias("TILE_WIRE_LUTFF_2_OUT", "TILE_WIRE_RAM_RDATA_2")
gfx_wire_alias("TILE_WIRE_LUTFF_3_OUT", "TILE_WIRE_RAM_RDATA_3")
gfx_wire_alias("TILE_WIRE_LUTFF_4_OUT", "TILE_WIRE_RAM_RDATA_4")
gfx_wire_alias("TILE_WIRE_LUTFF_5_OUT", "TILE_WIRE_RAM_RDATA_5")
gfx_wire_alias("TILE_WIRE_LUTFF_6_OUT", "TILE_WIRE_RAM_RDATA_6")
gfx_wire_alias("TILE_WIRE_LUTFF_7_OUT", "TILE_WIRE_RAM_RDATA_7")
gfx_wire_alias("TILE_WIRE_LUTFF_0_OUT", "TILE_WIRE_RAM_RDATA_8")
gfx_wire_alias("TILE_WIRE_LUTFF_1_OUT", "TILE_WIRE_RAM_RDATA_9")
gfx_wire_alias("TILE_WIRE_LUTFF_2_OUT", "TILE_WIRE_RAM_RDATA_10")
gfx_wire_alias("TILE_WIRE_LUTFF_3_OUT", "TILE_WIRE_RAM_RDATA_11")
gfx_wire_alias("TILE_WIRE_LUTFF_4_OUT", "TILE_WIRE_RAM_RDATA_12")
gfx_wire_alias("TILE_WIRE_LUTFF_5_OUT", "TILE_WIRE_RAM_RDATA_13")
gfx_wire_alias("TILE_WIRE_LUTFF_6_OUT", "TILE_WIRE_RAM_RDATA_14")
gfx_wire_alias("TILE_WIRE_LUTFF_7_OUT", "TILE_WIRE_RAM_RDATA_15")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CEN", "TILE_WIRE_RAM_RCLKE")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CEN", "TILE_WIRE_RAM_WCLKE")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CLK", "TILE_WIRE_RAM_RCLK")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CLK", "TILE_WIRE_RAM_WCLK")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_S_R", "TILE_WIRE_RAM_RE")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_S_R", "TILE_WIRE_RAM_WE")
# GFX aliases for IO tiles
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_0", "TILE_WIRE_IO_0_D_OUT_0")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_1", "TILE_WIRE_IO_0_D_OUT_1")
gfx_wire_alias("TILE_WIRE_LUTFF_0_IN_3", "TILE_WIRE_IO_0_OUT_ENB")
gfx_wire_alias("TILE_WIRE_LUTFF_0_OUT", "TILE_WIRE_IO_0_D_IN_0")
gfx_wire_alias("TILE_WIRE_LUTFF_1_OUT", "TILE_WIRE_IO_0_D_IN_1")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_0", "TILE_WIRE_IO_1_D_OUT_0")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_1", "TILE_WIRE_IO_1_D_OUT_1")
gfx_wire_alias("TILE_WIRE_LUTFF_4_IN_3", "TILE_WIRE_IO_1_OUT_ENB")
gfx_wire_alias("TILE_WIRE_LUTFF_4_OUT", "TILE_WIRE_IO_1_D_IN_0")
gfx_wire_alias("TILE_WIRE_LUTFF_5_OUT", "TILE_WIRE_IO_1_D_IN_1")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CEN", "TILE_WIRE_IO_GLOBAL_CEN")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_CLK", "TILE_WIRE_IO_GLOBAL_INCLK")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_S_R", "TILE_WIRE_IO_GLOBAL_OUTCLK")
gfx_wire_alias("TILE_WIRE_FUNC_GLOBAL_G0", "TILE_WIRE_IO_GLOBAL_LATCH")
def read_timings(filename):
db = dict()
with open(filename) as f:
@ -167,6 +289,18 @@ def maj_wire_name(name):
return name[2] in ("sp12_v_b_0", "sp12_v_b_1")
return False
def norm_wire_xy(x, y, name):
if name.startswith("glb_netwk_"):
return None
if name.startswith("neigh_op_"):
return None
if name.startswith("logic_op_"):
return None
if name.startswith("io_global/latch"):
return None
return None # FIXME
return (x, y)
def cmp_wire_names(newname, oldname):
if maj_wire_name(newname):
return True
@ -510,11 +644,13 @@ with open(args.filename, "r") as f:
wire_names_r[mode[1]] = wname
if mode[1] not in wire_xy:
wire_xy[mode[1]] = list()
wire_xy[mode[1]].append((int(line[0]), int(line[1])))
wire_xy[mode[1]].append(wname)
if mode[1] not in wire_segments:
wire_segments[mode[1]] = dict()
if ("TILE_WIRE_" + wname[2].upper().replace("/", "_")) in gfx_wire_ids:
wire_segments[mode[1]][(wname[0], wname[1])] = wname[2]
if (wname[0], wname[1]) not in wire_segments[mode[1]]:
wire_segments[mode[1]][(wname[0], wname[1])] = list()
wire_segments[mode[1]][(wname[0], wname[1])].append(wname[2])
continue
if mode[0] in ("buffer", "routing"):
@ -563,7 +699,9 @@ def add_wire(x, y, name):
wire_names_r[wire_idx] = wname
wire_segments[wire_idx] = dict()
if ("TILE_WIRE_" + wname[2].upper().replace("/", "_")) in gfx_wire_ids:
wire_segments[wire_idx][(wname[0], wname[1])] = wname[2]
if (wname[0], wname[1]) not in wire_segments[wire_idx]:
wire_segments[wire_idx][(wname[0], wname[1])] = list()
wire_segments[wire_idx][(wname[0], wname[1])].append(wname[2])
return wire_idx
def add_switch(x, y, bel=-1):
@ -1034,20 +1172,32 @@ for wire in range(num_wires):
info["num_bel_pins"] = num_bel_pins
info["list_bel_pins"] = ("wire%d_bels" % wire) if num_bel_pins > 0 else None
pos_xy = None
first = None
if wire in wire_xy:
avg_x, avg_y = 0, 0
for x, y, n in wire_xy[wire]:
norm_xy = norm_wire_xy(x, y, n)
if norm_xy is None:
continue
if pos_xy is None:
pos_xy = norm_xy
first = (x, y, n)
elif pos_xy != norm_xy:
print("Conflicting positions for wire %s: (%d, %d, %s) -> (%d, %d), (%d, %d, %s) -> (%d, %d)" % \
((info["name"],) + first + pos_xy + (x, y, n) + norm_xy), file=sys.stderr)
assert 0
if (pos_xy is None) and (len(wire_xy[wire]) > 1):
# print("Only 'None' positions for wire %s." % info["name"], file=sys.stderr)
# assert 0
pass
for x, y in wire_xy[wire]:
avg_x += x
avg_y += y
avg_x /= len(wire_xy[wire])
avg_y /= len(wire_xy[wire])
info["x"] = int(round(avg_x))
info["y"] = int(round(avg_y))
else:
if pos_xy is None:
info["x"] = wire_names_r[wire][0]
info["y"] = wire_names_r[wire][1]
else:
info["x"] = pos_xy[0]
info["y"] = pos_xy[1]
wireinfo.append(info)
@ -1108,14 +1258,21 @@ for t in range(num_tile_types):
bba.l("wire_data_%s" % dev_name, "WireInfoPOD")
for wire, info in enumerate(wireinfo):
bba.s(info["name"], "name")
bba.u32(wire, "netidx")
bba.u32(info["num_uphill"], "num_uphill")
bba.u32(info["num_downhill"], "num_downhill")
bba.r(info["list_uphill"], "pips_uphill")
bba.r(info["list_downhill"], "pips_downhill")
bba.u32(info["num_bel_pins"], "num_bel_pins")
bba.r(info["list_bel_pins"], "bel_pins")
bba.u32(len(wire_segments[wire]), "num_segments")
if len(wire_segments[wire]):
num_segments = 0
for segs in wire_segments[wire].values():
num_segments += len(segs)
bba.u32(num_segments, "num_segments")
if num_segments:
bba.r("wire_segments_%d" % wire, "segments")
else:
bba.u32(0, "segments")
@ -1131,24 +1288,25 @@ for wire, info in enumerate(wireinfo):
for wire in range(num_wires):
if len(wire_segments[wire]):
bba.l("wire_segments_%d" % wire, "WireSegmentPOD")
for xy, seg in sorted(wire_segments[wire].items()):
bba.u8(xy[0], "x")
bba.u8(xy[1], "y")
bba.u16(gfx_wire_ids["TILE_WIRE_" + seg.upper().replace("/", "_")], "index")
for xy, segs in sorted(wire_segments[wire].items()):
for seg in segs:
bba.u8(xy[0], "x")
bba.u8(xy[1], "y")
bba.u16(gfx_wire_ids["TILE_WIRE_" + seg.upper().replace("/", "_")], "index")
bba.l("pip_data_%s" % dev_name, "PipInfoPOD")
for info in pipinfo:
src_seg = -1
src_segname = wire_names_r[info["src"]]
if (info["x"], info["y"]) in wire_segments[info["src"]]:
src_segname = wire_segments[info["src"]][(info["x"], info["y"])]
src_segname = wire_segments[info["src"]][(info["x"], info["y"])][0]
src_seg = gfx_wire_ids["TILE_WIRE_" + src_segname.upper().replace("/", "_")]
src_segname = src_segname.replace("/", ".")
dst_seg = -1
dst_segname = wire_names_r[info["dst"]]
if (info["x"], info["y"]) in wire_segments[info["dst"]]:
dst_segname = wire_segments[info["dst"]][(info["x"], info["y"])]
dst_segname = wire_segments[info["dst"]][(info["x"], info["y"])][0]
dst_seg = gfx_wire_ids["TILE_WIRE_" + dst_segname.upper().replace("/", "_")]
dst_segname = dst_segname.replace("/", ".")

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@ -457,6 +457,42 @@ void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId id,
}
}
// LC Control for IO and BRAM
if (id >= TILE_WIRE_FUNC_GLOBAL_CEN && id <= TILE_WIRE_FUNC_GLOBAL_S_R) {
int idx = id - TILE_WIRE_FUNC_GLOBAL_CEN;
el.x1 = x + main_swbox_x2 - 0.005 * (idx + 5);
el.x2 = el.x1;
el.y1 = y + main_swbox_y1;
el.y2 = el.y1 - 0.005 * (idx + 2);
g.push_back(el);
el.y1 = el.y2;
el.x2 = x + logic_cell_x2 - 0.005 * (2 - idx + 5);
g.push_back(el);
el.y2 = y + logic_cell_y1;
el.x1 = el.x2;
g.push_back(el);
}
if (id == TILE_WIRE_FABOUT) {
el.y1 = y + main_swbox_y1;
el.y2 = el.y1 - 0.005 * 4;
el.x1 = x + main_swbox_x2 - 0.005 * 9;
el.x2 = el.x1;
g.push_back(el);
}
if (id == TILE_WIRE_FUNC_GLOBAL_G0) {
el.y1 = y + logic_cell_y1;
el.y2 = el.y1 - 0.005 * 4;
el.x1 = x + logic_cell_x2 - 0.005 * 3;
el.x2 = el.x1;
g.push_back(el);
}
// LC Cascade
if (id >= TILE_WIRE_LUTFF_0_LOUT && id <= TILE_WIRE_LUTFF_6_LOUT) {
@ -626,6 +662,19 @@ static bool getWireXY_main(GfxTileWireId id, float &x, float &y)
return true;
}
if (id >= TILE_WIRE_FUNC_GLOBAL_CEN && id <= TILE_WIRE_FUNC_GLOBAL_S_R) {
int idx = id - TILE_WIRE_FUNC_GLOBAL_CEN;
x = main_swbox_x2 - 0.005 * (idx + 5);
y = main_swbox_y1;
return true;
}
if (id == TILE_WIRE_FABOUT) {
x = main_swbox_x2 - 0.005 * 9;
y = main_swbox_y1;
return true;
}
return false;
}

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@ -205,6 +205,13 @@ enum GfxTileWireId
TILE_WIRE_LUTFF_GLOBAL_CLK,
TILE_WIRE_LUTFF_GLOBAL_S_R,
TILE_WIRE_FUNC_GLOBAL_CEN,
TILE_WIRE_FUNC_GLOBAL_CLK,
TILE_WIRE_FUNC_GLOBAL_S_R,
TILE_WIRE_FUNC_GLOBAL_G0,
TILE_WIRE_FABOUT,
TILE_WIRE_CARRY_IN,
TILE_WIRE_CARRY_IN_MUX,