i3c: add initial ASPEED AST1060 I3C driver implementation

.gitignore

@@ -6,3 +6,6 @@
 # Bloat analysis reports
 target/bloat-reports/
 target/*-bloat-reports/
+
+# Auto-generated Bazel build file (regenerate via crate_universe)
+BUILD.bazel

BUILD.bazel

@@ -0,0 +1,165 @@
+###############################################################################
+# @generated
+# DO NOT MODIFY: This file is auto-generated by a crate_universe tool. To 
+# regenerate this file, run the following:
+#
+#     bazel mod show_repo 'opentitan_pigweed'
+###############################################################################
+
+load(
+    "@rules_rust//cargo:defs.bzl",
+    "cargo_build_script",
+    "cargo_toml_env_vars",
+)
+
+load("@rules_rust//rust:defs.bzl", "rust_library")
+
+# buildifier: disable=bzl-visibility
+load("@rules_rust//crate_universe/private:selects.bzl", "selects")
+
+package(default_visibility = ["//visibility:public"])
+
+cargo_toml_env_vars(
+    name = "cargo_toml_env_vars",
+    src = "Cargo.toml",
+)
+
+rust_library(
+    name = "aspeed_ddk",
+    deps = [
+        "@oot_crates_no_std__aspeed-ddk-0.1.0//:build_script_build",
+        "@oot_crates_no_std__ast1060-pac-0.1.0//:ast1060_pac",
+        "@oot_crates_no_std__cortex-m-0.7.7//:cortex_m",
+        "@oot_crates_no_std__cortex-m-rt-0.7.5//:cortex_m_rt",
+        "@oot_crates_no_std__critical-section-1.2.0//:critical_section",
+        "@oot_crates_no_std__embedded-hal-1.0.0//:embedded_hal",
+        "@oot_crates_no_std__embedded-hal-1.0.0-alpha.1//:embedded_hal",
+        "@oot_crates_no_std__embedded-io-0.6.1//:embedded_io",
+        "@oot_crates_no_std__fugit-0.3.9//:fugit",
+        "@oot_crates_no_std__heapless-0.8.0//:heapless",
+        "@oot_crates_no_std__hex-literal-0.4.1//:hex_literal",
+        "@oot_crates_no_std__nb-1.1.0//:nb",
+        "@oot_crates_no_std__openprot-hal-blocking-0.1.0//:openprot_hal_blocking",
+        "@oot_crates_no_std__panic-halt-1.0.0//:panic_halt",
+        "@oot_crates_no_std__proposed-traits-0.1.0//:proposed_traits",
+        "@oot_crates_no_std__zerocopy-0.8.39//:zerocopy",
+    ],
+    proc_macro_deps = [
+        "@oot_crates_no_std__paste-1.0.15//:paste",
+    ],
+    aliases = {
+        "@oot_crates_no_std__embedded-hal-1.0.0-alpha.1//:embedded_hal": "embedded_hal_old",
+    },
+    compile_data = glob(
+        allow_empty = True,
+        include = ["**"],
+        exclude = [
+            "**/* *",
+            ".tmp_git_root/**/*",
+            "BUILD",
+            "BUILD.bazel",
+            "WORKSPACE",
+            "WORKSPACE.bazel",
+        ],
+    ),
+    crate_features = [
+        "default",
+    ],
+    crate_root = "src/lib.rs",
+    edition = "2021",
+    rustc_env_files = [
+        ":cargo_toml_env_vars",
+    ],
+    rustc_flags = [
+        "--cap-lints=allow",
+    ],
+    srcs = glob(
+        allow_empty = True,
+        include = ["**/*.rs"],
+    ),
+    tags = [
+        "cargo-bazel",
+        "crate-name=aspeed-ddk",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    target_compatible_with = select({
+        "@rules_rust//rust/platform:aarch64-apple-darwin": [],
+        "@rules_rust//rust/platform:aarch64-unknown-linux-gnu": [],
+        "@rules_rust//rust/platform:riscv32imc-unknown-none-elf": [],
+        "@rules_rust//rust/platform:thumbv6m-none-eabi": [],
+        "@rules_rust//rust/platform:thumbv7em-none-eabi": [],
+        "@rules_rust//rust/platform:thumbv7m-none-eabi": [],
+        "@rules_rust//rust/platform:thumbv8m.main-none-eabi": [],
+        "@rules_rust//rust/platform:x86_64-apple-darwin": [],
+        "@rules_rust//rust/platform:x86_64-unknown-linux-gnu": [],
+        "//conditions:default": ["@platforms//:incompatible"],
+    }),
+    version = "0.1.0",
+)
+
+cargo_build_script(
+    name = "_bs",
+    compile_data = glob(
+        allow_empty = True,
+        include = ["**"],
+        exclude = [
+            "**/* *",
+            "**/*.rs",
+            ".tmp_git_root/**/*",
+            "BUILD",
+            "BUILD.bazel",
+            "WORKSPACE",
+            "WORKSPACE.bazel",
+        ],
+    ),
+    crate_features = [
+        "default",
+    ],
+    crate_name = "build_script_build",
+    crate_root = "build.rs",
+    data = glob(
+        allow_empty = True,
+        include = ["**"],
+        exclude = [
+            "**/* *",
+            ".tmp_git_root/**/*",
+            "BUILD",
+            "BUILD.bazel",
+            "WORKSPACE",
+            "WORKSPACE.bazel",
+        ],
+    ),
+    link_deps = [
+        "@oot_crates_no_std__cortex-m-0.7.7//:cortex_m",
+        "@oot_crates_no_std__cortex-m-rt-0.7.5//:cortex_m_rt",
+    ],
+    edition = "2021",
+    pkg_name = "aspeed-ddk",
+    rustc_env_files = [
+        ":cargo_toml_env_vars",
+    ],
+    rustc_flags = [
+        "--cap-lints=allow",
+    ],
+    srcs = glob(
+        allow_empty = True,
+        include = ["**/*.rs"],
+    ),
+    tags = [
+        "cargo-bazel",
+        "crate-name=aspeed-ddk",
+        "manual",
+        "noclippy",
+        "norustfmt",
+    ],
+    version = "0.1.0",
+    visibility = ["//visibility:private"],
+)
+
+alias(
+    name = "build_script_build",
+    actual = ":_bs",
+    tags = ["manual"],
+)

Cargo.toml

@@ -17,7 +17,10 @@ edition = "2021"
 [features]
 default = []
 std = []
+isr-handlers = []  # Export ISR handlers with #[no_mangle] - disable for kernel integration
 i2c_target = []
+i3c_master = []
+i3c_target = []
 test-rsa = []
 test-ecdsa = []
 test-hmac = []
@@ -38,11 +41,10 @@ hex-literal = "0.4"
 heapless = "0.8.0"
 nb = "1.1.0"
 paste = "1.0"
-
+critical-section = "1.2"
 openprot-hal-blocking = { git="https://github.com/OpenPRoT/openprot" }
 zerocopy = { version = "0.8.25", features = ["derive"] }
-
-cortex-m = { version = "0.7.7" }
+cortex-m = { version = "0.7.7", features = ["critical-section-single-core"] }
 cortex-m-rt = { version = "0.7.5", features = ["device"] }
 panic-halt = "1.0.0"