rpi4/BUILD.gn

# Copyright 2019 The Hafnium Authors.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/BSD-3-Clause.

import("args.gni")

source_set("rpi4") {
}

source_set("mini_uart") {
  sources = [ "mini_uart.c" ]

  assert(gpio_base_address != 0,
         "\"gpio_base_address\" must be defined for ${target_name}.")
  assert(aux_base_address != 0,
         "\"aux_base_address\" must be defined for ${target_name}.")
  assert(core_freq_mhz != 0,
         "\"core_freq_mhz\" must be defined for ${target_name}.")
  assert(baudrate != 0, "\"baudrate\" must be defined for ${target_name}.")

  defines = [
    "GPIO_BASE=${gpio_base_address}",
    "AUX_BASE=${aux_base_address}",
    "CORE_FREQ_MHZ=${core_freq_mhz}",
    "BAUDRATE=${baudrate}",
  ]
}