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ice40: Add package pins to database

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-06-13 11:40:28 +02:00
parent 94eea289ae
commit 696aaee24c
2 changed files with 52 additions and 3 deletions
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17
ice40/chip.h
View File

@ -113,6 +113,19 @@ struct WireInfoPOD
float x, y;
};
struct PackagePinPOD
{
const char *name;
int32_t bel_index;
};
struct PackageInfoPOD
{
const char *name;
int num_pins;
PackagePinPOD *pins;
};
enum TileType
{
TILE_NONE = 0,
@ -168,12 +181,13 @@ struct ChipInfoPOD
{
int width, height;
int num_bels, num_wires, num_pips;
int num_switches;
int num_switches, num_packages;
BelInfoPOD *bel_data;
WireInfoPOD *wire_data;
PipInfoPOD *pip_data;
TileType *tile_grid;
BitstreamInfoPOD *bits_info;
PackageInfoPOD *packages_data;
};
extern ChipInfoPOD chip_info_384;
@ -412,6 +426,7 @@ struct ChipArgs
HX8K,
UP5K
} type = NONE;
std::string package;
};
struct Chip

38
ice40/chipdb.py
View File

@ -23,6 +23,8 @@ switches = list()
ierens = list()
packages = list()
wire_uphill_belport = dict()
wire_downhill_belports = dict()
@ -123,6 +125,11 @@ with open(sys.argv[1], "r") as f:
mode = ("ieren",)
continue
if line[0] == ".pins":
mode = ("pins", line[1])
packages.append((line[1], []))
continue
if (line[0][0] == ".") or (mode is None):
mode = None
continue
@ -157,9 +164,16 @@ with open(sys.argv[1], "r") as f:
assert m
bits.append((int(m.group(1)), int(m.group(2))))
tile_bits[mode[1]].append((name, bits))
continue
if mode[0] == "ieren":
ierens.append(tuple([int(_) for _ in line]))
continue
if mode[0] == "pins":
packages[-1][1].append((line[0], int(line[1]), int(line[2]), int(line[3])))
continue
def add_bel_input(bel, wire, port):
if wire not in wire_downhill_belports:
wire_downhill_belports[wire] = set()
@ -392,6 +406,21 @@ for wire in range(num_wires):
wireinfo.append(info)
packageinfo = []
for package in packages:
name, pins = package
pins_info = []
for pin in pins:
pinname, x, y, z = pin
pin_bel = "%d_%d_io%d" % (x, y, z)
bel_idx = bel_name.index(pin_bel)
pins_info.append('{"%s", %d}' % (pinname, bel_idx))
print("static PackagePinPOD package_%s_pins[%d] = {" % (name, len(pins_info)))
print(",\n".join(pins_info))
print("};")
packageinfo.append('{"%s", %d, package_%s_pins}' % (name, len(pins_info), name))
tilegrid = []
for y in range(dev_height):
for x in range(dev_width):
@ -460,13 +489,18 @@ print("static TileType tile_grid_%s[%d] = {" % (dev_name, len(tilegrid)))
print(",\n".join(tilegrid))
print("};")
print("static PackageInfoPOD package_info_%s[%d] = {" % (dev_name, len(packageinfo)))
print(",\n".join(packageinfo))
print("};")
print('}')
print('NEXTPNR_NAMESPACE_BEGIN')
print("ChipInfoPOD chip_info_%s = {" % dev_name)
print(" %d, %d, %d, %d, %d, %d," % (dev_width, dev_height, len(bel_name), num_wires, len(pipinfo), len(switchinfo)))
print(" %d, %d, %d, %d, %d, %d, %d," % (dev_width, dev_height, len(bel_name), num_wires, len(pipinfo), len(switchinfo), len(packageinfo)))
print(" bel_data_%s, wire_data_%s, pip_data_%s," % (dev_name, dev_name, dev_name))
print(" tile_grid_%s, &bits_info_%s" % (dev_name, dev_name))
print(" tile_grid_%s, &bits_info_%s, package_info_%s" % (dev_name, dev_name, dev_name))
print("};")
print('NEXTPNR_NAMESPACE_END')