| // 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 <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <soc/aml-common/aml-registers.h> |
| |
| #include "src/devices/lib/metadata/llcpp/registers.h" |
| #include "vim3.h" |
| |
| namespace vim3 { |
| |
| namespace { |
| |
| enum MmioMetadataIdx { |
| RESET_MMIO, |
| |
| MMIO_COUNT, |
| }; |
| |
| } // namespace |
| |
| zx_status_t Vim3::RegistersInit() { |
| static const pbus_mmio_t registers_mmios[] = { |
| { |
| .base = A311D_RESET_BASE, |
| .length = A311D_RESET_LENGTH, |
| }, |
| }; |
| |
| fidl::BufferThenHeapAllocator<2048> allocator; |
| fidl::VectorView<registers::MmioMetadataEntry> mmio_entries; |
| mmio_entries.set_data(allocator.make<registers::MmioMetadataEntry[]>(MMIO_COUNT)); |
| mmio_entries.set_count(MMIO_COUNT); |
| |
| mmio_entries[RESET_MMIO] = registers::BuildMetadata(allocator, RESET_MMIO); |
| |
| fidl::VectorView<registers::RegistersMetadataEntry> register_entries; |
| register_entries.set_data( |
| allocator.make<registers::RegistersMetadataEntry[]>(aml_registers::REGISTER_ID_COUNT)); |
| register_entries.set_count(aml_registers::REGISTER_ID_COUNT); |
| |
| register_entries[aml_registers::REGISTER_USB_PHY_V2_RESET] = |
| registers::BuildMetadata(allocator, aml_registers::REGISTER_USB_PHY_V2_RESET, RESET_MMIO, |
| std::vector<registers::MaskEntryBuilder<uint32_t>>{ |
| { |
| .mask = aml_registers::USB_RESET1_REGISTER_UNKNOWN_1_MASK | |
| aml_registers::USB_RESET1_REGISTER_UNKNOWN_2_MASK, |
| .mmio_offset = A311D_RESET1_REGISTER, |
| .reg_count = 1, |
| }, |
| { |
| .mask = aml_registers::USB_RESET1_LEVEL_MASK, |
| .mmio_offset = A311D_RESET1_LEVEL, |
| .reg_count = 1, |
| }, |
| }); |
| register_entries[aml_registers::REGISTER_NNA_RESET_LEVEL2] = |
| registers::BuildMetadata(allocator, aml_registers::REGISTER_NNA_RESET_LEVEL2, RESET_MMIO, |
| std::vector<registers::MaskEntryBuilder<uint32_t>>{ |
| { |
| .mask = aml_registers::NNA_RESET2_LEVEL_MASK, |
| .mmio_offset = A311D_RESET2_LEVEL, |
| .reg_count = 1, |
| }, |
| }); |
| |
| auto metadata = |
| registers::BuildMetadata(allocator, std::move(mmio_entries), std::move(register_entries)); |
| fidl::OwnedEncodedMessage<registers::Metadata> encoded_metadata(&metadata); |
| if (!encoded_metadata.ok() || (encoded_metadata.error() != nullptr)) { |
| zxlogf(ERROR, "%s: Could not build metadata %s\n", __func__, encoded_metadata.error()); |
| return encoded_metadata.status(); |
| } |
| |
| static const pbus_metadata_t registers_metadata[] = { |
| { |
| .type = DEVICE_METADATA_REGISTERS, |
| .data_buffer = encoded_metadata.GetOutgoingMessage().bytes(), |
| .data_size = encoded_metadata.GetOutgoingMessage().byte_actual(), |
| }, |
| }; |
| |
| static pbus_dev_t registers_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "registers"; |
| dev.vid = PDEV_VID_GENERIC; |
| dev.pid = PDEV_PID_GENERIC; |
| dev.did = PDEV_DID_REGISTERS; |
| dev.mmio_list = registers_mmios; |
| dev.mmio_count = countof(registers_mmios); |
| dev.metadata_list = registers_metadata; |
| dev.metadata_count = countof(registers_metadata); |
| return dev; |
| }(); |
| |
| zx_status_t status = pbus_.DeviceAdd(®isters_dev); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace vim3 |