| #!/usr/bin/env python3 |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright (C) 2017-2020 The Project X-Ray Authors. |
| # |
| # Use of this source code is governed by a ISC-style |
| # license that can be found in the LICENSE file or at |
| # https://opensource.org/licenses/ISC |
| # |
| # SPDX-License-Identifier: ISC |
| |
| import json |
| import os |
| from enum import Enum |
| |
| from prjxray.segmaker import Segmaker, add_site_group_zero |
| |
| INT = "INT" |
| BIN = "BIN" |
| BOOL = "BOOL" |
| STR = "STR" |
| |
| |
| def bitfilter_gtp_channel_x(frame, bit): |
| # Filter out interconnect bits. |
| if frame not in [28, 29, 30, 31]: |
| return False |
| |
| return True |
| |
| |
| def bitfilter_gtp_channel_x_mid(frame, bit): |
| # Filter out interconnect bits. |
| if frame not in [0, 1, 2, 3]: |
| return False |
| |
| return True |
| |
| |
| def main(): |
| segmk = Segmaker("design.bits") |
| |
| fuz_dir = os.getenv("FUZDIR", None) |
| assert fuz_dir |
| with open(os.path.join(fuz_dir, "attrs.json"), "r") as attr_file: |
| attrs = json.load(attr_file) |
| |
| print("Loading tags") |
| with open("params.json") as f: |
| primitives_list = json.load(f) |
| |
| for primitive in primitives_list: |
| tile_type = primitive["tile_type"] |
| params_list = primitive["params"] |
| |
| for params in params_list: |
| site = params["site"] |
| |
| if "GTPE2_CHANNEL" not in site: |
| continue |
| |
| in_use = params["IN_USE"] |
| |
| segmk.add_site_tag(site, "IN_USE", in_use) |
| |
| if in_use: |
| for param, param_info in attrs.items(): |
| value = params[param] |
| param_type = param_info["type"] |
| param_digits = param_info["digits"] |
| param_values = param_info["values"] |
| |
| if param_type == INT: |
| param_encodings = param_info["encoding"] |
| param_encoding = param_encodings[param_values.index( |
| value)] |
| bitstr = [ |
| int(x) for x in "{value:0{digits}b}".format( |
| value=param_encoding, digits=param_digits) |
| [::-1] |
| ] |
| |
| for i in range(param_digits): |
| segmk.add_site_tag( |
| site, '%s[%u]' % (param, i), bitstr[i]) |
| elif param_type == BIN: |
| bitstr = [ |
| int(x) for x in "{value:0{digits}b}".format( |
| value=value, digits=param_digits)[::-1] |
| ] |
| |
| for i in range(param_digits): |
| segmk.add_site_tag( |
| site, "%s[%u]" % (param, i), bitstr[i]) |
| elif param_type == BOOL: |
| segmk.add_site_tag(site, param, value == "TRUE") |
| else: |
| assert param_type == STR |
| |
| # The RXSLIDE_MODE parameter has overlapping bits |
| # for its possible values. We need to treat it |
| # differently |
| if param == "RXSLIDE_MODE": |
| add_site_group_zero( |
| segmk, site, "{}.".format(param), param_values, |
| "OFF", value) |
| else: |
| for param_value in param_values: |
| segmk.add_site_tag( |
| site, "{}.{}".format(param, param_value), |
| value == param_value) |
| |
| for param in ["TXUSRCLK", "TXUSRCLK2", "TXPHDLYTSTCLK", |
| "SIGVALIDCLK", "RXUSRCLK", "RXUSRCLK2", "DRPCLK", |
| "DMONITORCLK", "CLKRSVD0", "CLKRSVD1"]: |
| segmk.add_site_tag(site, "INV_" + param, params[param]) |
| |
| gtp_channel_x = [ |
| "GTP_CHANNEL_0", |
| "GTP_CHANNEL_1", |
| "GTP_CHANNEL_2", |
| "GTP_CHANNEL_3", |
| ] |
| |
| gtp_channel_x_mid = [ |
| "GTP_CHANNEL_0_MID_LEFT", |
| "GTP_CHANNEL_1_MID_LEFT", |
| "GTP_CHANNEL_2_MID_LEFT", |
| "GTP_CHANNEL_3_MID_LEFT", |
| "GTP_CHANNEL_0_MID_RIGHT", |
| "GTP_CHANNEL_1_MID_RIGHT", |
| "GTP_CHANNEL_2_MID_RIGHT", |
| "GTP_CHANNEL_3_MID_RIGHT", |
| ] |
| |
| if tile_type in gtp_channel_x: |
| bitfilter = bitfilter_gtp_channel_x |
| elif tile_type in gtp_channel_x_mid: |
| bitfilter = bitfilter_gtp_channel_x_mid |
| else: |
| assert False, tile_type |
| |
| segmk.compile(bitfilter=bitfilter) |
| segmk.write() |
| |
| |
| if __name__ == '__main__': |
| main() |