| // Copyright 2019 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.sysmem/cpp/fidl.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include "astro.h" |
| |
| namespace astro { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| static const std::vector<fpbus::Bti> sysmem_btis{ |
| {{ |
| .iommu_index = 0, |
| .bti_id = BTI_SYSMEM, |
| }}, |
| }; |
| |
| static const std::vector<uint8_t> sysmem_metadata = [] { |
| fuchsia_hardware_sysmem::Metadata metadata; |
| |
| metadata.vid() = PDEV_VID_AMLOGIC; |
| metadata.pid() = PDEV_PID_AMLOGIC_S905D2; |
| |
| // On astro there are two protected memory ranges. The protected_memory_size field configures |
| // the size of the non-VDEC range. In contrast, the VDEC range is configured and allocated via |
| // the TEE, and is currently 7.5 MiB. The VDEC range is a fixed location within the overall |
| // optee reserved range passed to Zircon during boot - the specific location is obtained by |
| // sysmem calling the secmem TA via fuchsia::sysmem::Tee protocol between sysmem and TEE |
| // Controller. |
| // |
| // The values below aren't use and are overridden by the kernel command-line set in the board |
| // file. |
| metadata.protected_memory_size() = 0; |
| metadata.contiguous_memory_size() = 0; |
| |
| auto persist_result = fidl::Persist(metadata); |
| // Given permitted values set above, we won't see failure here. OOM would fail before getting |
| // here. |
| ZX_ASSERT(persist_result.is_ok()); |
| |
| return std::move(persist_result.value()); |
| }(); |
| |
| static const std::vector<fpbus::Metadata> sysmem_metadata_list{ |
| {{ |
| .type = fuchsia_hardware_sysmem::wire::kMetadataType, |
| .data = sysmem_metadata, |
| }}, |
| }; |
| |
| static const fpbus::Node sysmem_dev = []() { |
| fpbus::Node ret = {}; |
| ret.name() = "sysmem"; |
| ret.vid() = PDEV_VID_GENERIC; |
| ret.pid() = PDEV_PID_GENERIC; |
| ret.did() = PDEV_DID_SYSMEM; |
| ret.bti() = sysmem_btis; |
| ret.metadata() = sysmem_metadata_list; |
| return ret; |
| }(); |
| |
| zx_status_t Astro::SysmemInit() { |
| fidl::Arena<> fidl_arena; |
| fdf::Arena arena('SYSM'); |
| auto result = pbus_.buffer(arena)->NodeAdd(fidl::ToWire(fidl_arena, sysmem_dev)); |
| if (!result.ok()) { |
| zxlogf(ERROR, "%s: NodeAdd Sysmem(sysmem_dev) request failed: %s", __func__, |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "%s: NodeAdd Sysmem(sysmem_dev) failed: %s", __func__, |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace astro |