| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/driver/fidl.h> |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/fidl.h> |
| #include <fidl/fuchsia.hardware.thermal/cpp/wire.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/driver/component/cpp/composite_node_spec.h> |
| #include <lib/driver/component/cpp/node_add_args.h> |
| |
| #include <bind/fuchsia/amlogic/platform/cpp/bind.h> |
| #include <bind/fuchsia/cpp/bind.h> |
| #include <bind/fuchsia/google/platform/cpp/bind.h> |
| #include <bind/fuchsia/thermal/cpp/bind.h> |
| #include <soc/aml-common/aml-cpu-metadata.h> |
| #include <soc/aml-t931/t931-hw.h> |
| |
| #include "sherlock.h" |
| |
| namespace { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| const std::vector<fpbus::Mmio> cpu_mmios{ |
| {{ |
| // AOBUS |
| .base = T931_AOBUS_BASE, |
| .length = 0x1000, |
| }}, |
| }; |
| |
| constexpr amlogic_cpu::legacy_cluster_info_t cluster_sizes[] = { |
| {.pd_id = |
| static_cast<uint32_t>(fuchsia_hardware_thermal::wire::PowerDomain::kBigClusterPowerDomain), |
| .core_count = 4, |
| .relative_performance = 255}, |
| {.pd_id = static_cast<uint32_t>( |
| fuchsia_hardware_thermal::wire::PowerDomain::kLittleClusterPowerDomain), |
| .core_count = 2, |
| .relative_performance = 112}, // Approximation based on a performance measurement on Vim3. |
| }; |
| |
| const std::vector<fpbus::Metadata> cpu_metadata{ |
| {{ |
| .id = std::to_string(DEVICE_METADATA_CLUSTER_SIZE_LEGACY), |
| .data = std::vector<uint8_t>( |
| reinterpret_cast<const uint8_t*>(&cluster_sizes), |
| reinterpret_cast<const uint8_t*>(&cluster_sizes) + sizeof(cluster_sizes)), |
| }}, |
| }; |
| |
| const fpbus::Node cpu_dev = []() { |
| fpbus::Node result = {}; |
| result.name() = "aml-cpu"; |
| result.vid() = bind_fuchsia_google_platform::BIND_PLATFORM_DEV_VID_GOOGLE; |
| result.pid() = bind_fuchsia_google_platform::BIND_PLATFORM_DEV_PID_SHERLOCK; |
| result.did() = bind_fuchsia_google_platform::BIND_PLATFORM_DEV_DID_GOOGLE_AMLOGIC_CPU; |
| result.metadata() = cpu_metadata; |
| result.mmio() = cpu_mmios; |
| return result; |
| }(); |
| |
| } // namespace |
| |
| namespace sherlock { |
| |
| zx_status_t Sherlock::CpuInit() { |
| fidl::Arena<> fidl_arena; |
| fdf::Arena arena('SHER'); |
| |
| auto aml_cpu_legacy_thermal_node = fuchsia_driver_framework::ParentSpec2{{ |
| .bind_rules = |
| { |
| fdf::MakeAcceptBindRule2(bind_fuchsia::PROTOCOL, |
| bind_fuchsia_thermal::BIND_PROTOCOL_DEVICE), |
| fdf::MakeAcceptBindRule2( |
| bind_fuchsia::PLATFORM_DEV_DID, |
| bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_DID_THERMAL_PLL), |
| }, |
| .properties = |
| { |
| fdf::MakeProperty2(bind_fuchsia::PROTOCOL, |
| bind_fuchsia_thermal::BIND_PROTOCOL_DEVICE), |
| fdf::MakeProperty2(bind_fuchsia::PLATFORM_DEV_DID, |
| bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_DID_THERMAL_PLL), |
| }, |
| }}; |
| |
| auto composite_spec = fuchsia_driver_framework::CompositeNodeSpec{{ |
| .name = "aml_cpu_legacy", |
| .parents2 = {{aml_cpu_legacy_thermal_node}}, |
| }}; |
| |
| fdf::WireUnownedResult result = pbus_.buffer(arena)->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, cpu_dev), fidl::ToWire(fidl_arena, composite_spec)); |
| if (!result.ok()) { |
| zxlogf(ERROR, "%s: AddCompositeNodeSpec SherlockCpu(cpu_dev) request failed: %s", __func__, |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "%s: AddCompositeNodeSpec SherlockCpu(cpu_dev) failed: %s", __func__, |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace sherlock |