BL602 pull request

.github/.wordlist.txt

@@ -1451,3 +1451,4 @@ localedef
 nameserver
 nmcli
 tsan
+bouffalolab

.gitmodules

@@ -203,3 +203,7 @@
 [submodule "third_party/efr32_sdk/wiseconnect-wifi-bt-sdk"]
 	path = third_party/efr32_sdk/wiseconnect-wifi-bt-sdk
 	url = https://github.com/SiliconLabs/wiseconnect-wifi-bt-sdk
+[submodule "third_party/bouffalolab/bl602"]
+	path = third_party/bouffalolab/bl602_sdk/repo
+	url = https://github.com/bouffalolab/bl_iot_sdk_matter.git
+	branch = bl602_release

BUILD.gn

@@ -192,6 +192,9 @@ if (current_toolchain != "${dir_pw_toolchain}/default:default") {
 
     # Set this to true to enable k32w builds by default.
     enable_k32w_builds = false
+
+    # Set this to true to enable bl602 builds by default.
+    enable_bl602_builds = false
   }
 
   declare_args() {
@@ -274,6 +277,9 @@ if (current_toolchain != "${dir_pw_toolchain}/default:default") {
     # Build the k32w shell app example.
     enable_k32w_shell_app_build = enable_k32w_builds
 
+    # Build the bl602 lighting app example.
+    enable_bl602_lighting_app_build = enable_bl602_builds
+
     enable_fake_tests = enable_default_builds && host_os == "linux"
   }
 

build/config/BUILDCONFIG.gn

@@ -74,6 +74,8 @@ if (_chip_defaults.custom_toolchain != "") {
 } else if (target_os == "freertos") {
   if (target_cpu == "arm") {
     _default_toolchain = "${_build_overrides.build_root}/toolchain/arm_gcc"
+  } else if (target_cpu == "riscv") {
+    _default_toolchain = "${_build_overrides.build_root}/toolchain/riscv_gcc"
   } else {
     assert(false, "Unsupported target_cpu: ${target_cpu}")
   }

build/config/compiler/BUILD.gn

@@ -42,6 +42,8 @@ if (current_cpu == "arm" || current_cpu == "arm64") {
   import("${build_root}/config/arm.gni")
 } else if (current_cpu == "x86" || current_cpu == "x86_64") {
   import("${build_root}/config/x86.gni")
+} else if (current_cpu == "riscv") {
+  import("${build_root}/config/riscv.gni")
 }
 
 config("release") {
@@ -122,6 +124,26 @@ config("abi_default") {
         ]
       }
     }
+    if (current_cpu == "riscv") {
+      if (riscv_arch != "") {
+        cflags += [ "-march=${riscv_arch}" ]
+      }
+      if (riscv_cpu != "") {
+        cflags += [ "-mcpu=${riscv_cpu}" ]
+      }
+      if (riscv_tune != "") {
+        cflags += [ "-mtune=${riscv_tune}" ]
+      }
+      if (riscv_abi != "") {
+        cflags += [ "-mabi=${riscv_abi}" ]
+      }
+      if (riscv_fpu != "") {
+        cflags += [ "-mfpu=${riscv_fpu}" ]
+      }
+      if (riscv_float_abi != "") {
+        cflags += [ "-mfloat-abi=${riscv_float_abi}" ]
+      }
+    }
   }
 
   asmflags = cflags

build/config/riscv.gni

@@ -0,0 +1,64 @@
+# Copyright (c) 2020 Project CHIP 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
+#
+# http://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/build.gni")
+
+if (current_cpu == "riscv") {
+  declare_args() {
+    # Build file to import for RISCV defaults.
+    riscv_platform_config = ""
+  }
+
+  # Allow platforms to override how RISCV architecture flags are chosen by
+  # providing a file to import.
+  if (riscv_platform_config != "") {
+    _platform_defaults = {
+      import(riscv_platform_config)
+    }
+  }
+
+  _defaults = {
+    riscv_arch = ""
+    riscv_cpu = ""
+    riscv_tune = ""
+    riscv_fpu = ""
+    riscv_float_abi = ""
+    riscv_abi = ""
+
+    # Update defaults with platform values, if any.
+    if (riscv_platform_config != "") {
+      forward_variables_from(_platform_defaults, "*")
+    }
+  }
+
+  declare_args() {
+    # RISCV architecture (value for -march flag).
+    riscv_arch = _defaults.riscv_arch
+
+    # RISCV CPU (value for -mcpu flag).
+    riscv_cpu = _defaults.riscv_cpu
+
+    # RISCV tuning (value for -mtune flag).
+    riscv_tune = _defaults.riscv_tune
+
+    # RISCV FPU (value for -mfpu flag).
+    riscv_fpu = _defaults.riscv_fpu
+
+    # RISCV float ABI (value for -mfloat-abi flag).
+    riscv_float_abi = _defaults.riscv_float_abi
+
+    # RISCV ABI (value for -mabi flag).
+    riscv_abi = _defaults.riscv_abi
+  }
+}

build/toolchain/riscv_gcc/BUILD.gn

@@ -0,0 +1,21 @@
+# Copyright 2021 The Pigweed Authors
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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("riscv_toolchain.gni")
+
+riscv_toolchain("riscv_gcc") {
+  toolchain_args = {
+  }
+}

build/toolchain/riscv_gcc/riscv_toolchain.gni

@@ -0,0 +1,35 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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/bl602_sdk.gni")
+import("//build_overrides/build.gni")
+
+import("${build_root}/toolchain/gcc_toolchain.gni")
+
+template("riscv_toolchain") {
+  gcc_toolchain(target_name) {
+    _tool_name_root = "${root_build_dir}/../../third_party/bouffalolab/bl602_sdk/repo/toolchain/riscv/Linux/bin/riscv64-unknown-elf-"
+    ar = _tool_name_root + "ar"
+    cc = _tool_name_root + "gcc"
+    cxx = _tool_name_root + "g++"
+
+    toolchain_args = {
+      current_cpu = "riscv"
+      current_os = invoker.current_os
+      is_clang = false
+
+      forward_variables_from(invoker.toolchain_args, "*")
+    }
+  }
+}

build_overrides/bl602_sdk.gni

@@ -0,0 +1,18 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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.
+
+declare_args() {
+  # Root directory for bl602 SDK build files.
+  bl602_sdk_build_root = "//third_party/bouffalolab/bl602_sdk"
+}

config/bouffalolab/bl602/lib/pw_rpc/BUILD.gn

@@ -0,0 +1,36 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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/chip.gni")
+import("//build_overrides/pigweed.gni")
+import("$dir_pw_build/target_types.gni")
+
+static_library("pw_rpc") {
+  output_name = "libPwRpc"
+
+  public_configs = [ "${dir_pigweed}/pw_hdlc:default_config" ]
+
+  public_deps = [
+    "$dir_pw_rpc:server",
+    "$dir_pw_rpc/nanopb:echo_service",
+    "${chip_root}/examples/platform/bl602/pw_sys_io:pw_sys_io_bl602",
+    "${dir_pigweed}/pw_hdlc:pw_rpc",
+    dir_pw_assert,
+    dir_pw_checksum,
+    dir_pw_hdlc,
+    dir_pw_log,
+  ]
+
+  output_dir = "${root_out_dir}/lib"
+}

config/bouffalolab/bl602/lib/pw_rpc/pw_rpc.gni

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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/chip.gni")
+import("//build_overrides/pigweed.gni")
+
+pw_log_BACKEND = "$dir_pw_log_basic"
+pw_assert_BACKEND = "$dir_pw_assert_log"
+pw_sys_io_BACKEND =
+    "${chip_root}/examples/platform/bl602/pw_sys_io:pw_sys_io_bl602"
+
+pw_build_LINK_DEPS = [
+  "$dir_pw_assert:impl",
+  "$dir_pw_log:impl",
+]
+
+dir_pw_third_party_nanopb = "${chip_root}/third_party/nanopb/repo"

config/bouffalolab/bl602/toolchain/BUILD.gn

@@ -0,0 +1,39 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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/build.gni")
+import("//build_overrides/chip.gni")
+
+import("${build_root}/toolchain/riscv_gcc/riscv_toolchain.gni")
+
+riscv_toolchain("bl602_lock_app") {
+  toolchain_args = {
+    current_os = "freertos"
+    import("${chip_root}/examples/lock-app/bl602/args.gni")
+  }
+}
+
+riscv_toolchain("bl602_lighting_app") {
+  toolchain_args = {
+    current_os = "freertos"
+    import("${chip_root}/examples/lighting-app/bl602/args.gni")
+  }
+}
+
+riscv_toolchain("bl602_window_app") {
+  toolchain_args = {
+    current_os = "freertos"
+    import("${chip_root}/examples/window-app/bl602/args.gni")
+  }
+}

examples/build_overrides/bl602_sdk.gni

@@ -0,0 +1,19 @@
+# Copyright (c) 2020 Project CHIP 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
+#
+# http://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.
+
+declare_args() {
+  # Root directory for bl602 SDK.
+  bl602_sdk_build_root =
+      "//third_party/connectedhomeip/third_party/bouffalolab/bl602_sdk"
+}

examples/lighting-app/bouffalolab/bl602/.gn

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 Project CHIP 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
+#
+# http://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/build.gni")
+
+# The location of the build configuration file.
+buildconfig = "${build_root}/config/BUILDCONFIG.gn"
+
+# CHIP uses angle bracket includes.
+check_system_includes = true
+
+default_args = {
+  target_cpu = "riscv"
+  target_os = "freertos"
+
+  import("//args.gni")
+}