# Copyright 2023 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

import("//build_overrides/pigweed.gni")

import("//fpga/fpga_image.gni")

group("fpga") {
  deps = [ ":toplevel" ]
}

# Build an FPGA bitstream. Outputs are placed in:
#
#   out/gn/obj/fpga/toplevel/
#     toplevel.asc
#     toplevel.bin
#     toplevel.json
#     toplevel_timing_report.json
#     toplevel_timing_report.txt
#
fpga_image("toplevel") {
  sources = [
    "gonk/csa_ctl_top.v",
    "gonk/pll.v",
    "gonk/rst_sync.v",
    "gonk/sig_sync.v",
    "gonk/spi_m_core.v",
    "gonk/spi_m_core_ctl.v",
    "gonk/spi_s_core.v",
    "gonk/top.v",
  ]

  pcf = "gonk/top.pcf"
}