| // Copyright 2018 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.gpu.amlogic/cpp/wire.h> |
| #include <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/hw/reg.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <zircon/syscalls/smc.h> |
| |
| #include <soc/aml-common/aml-registers.h> |
| #include <soc/aml-s905d3/s905d3-hw.h> |
| |
| #include "nelson.h" |
| #include "src/devices/board/drivers/nelson/mali_bind.h" |
| |
| namespace nelson { |
| |
| static const pbus_mmio_t mali_mmios[] = { |
| { |
| .base = S905D3_MALI_BASE, |
| .length = S905D3_MALI_LENGTH, |
| }, |
| { |
| .base = S905D3_HIU_BASE, |
| .length = S905D3_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t mali_irqs[] = { |
| { |
| .irq = S905D3_MALI_IRQ_PP, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| { |
| .irq = S905D3_MALI_IRQ_GPMMU, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| { |
| .irq = S905D3_MALI_IRQ_GP, |
| .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }, |
| }; |
| |
| static pbus_bti_t mali_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = 0, |
| }, |
| }; |
| |
| // SMC is used to switch GPU into protected mode. |
| constexpr pbus_smc_t nelson_mali_smcs[] = { |
| { |
| .service_call_num_base = ARM_SMC_SERVICE_CALL_NUM_TRUSTED_OS_BASE, |
| .count = 1, |
| // The video decoder and TEE driver also use this SMC range. The aml-gpu driver only uses |
| // the kFuncIdConfigDeviceSecure function with DMC_DEV_ID_GPU, and the other users don't |
| // touch device ID. |
| .exclusive = false, |
| }, |
| }; |
| |
| zx_status_t Nelson::MaliInit() { |
| pbus_dev_t mali_dev = {}; |
| mali_dev.name = "mali"; |
| mali_dev.vid = PDEV_VID_AMLOGIC; |
| mali_dev.pid = PDEV_PID_AMLOGIC_S905D3; |
| mali_dev.did = PDEV_DID_AMLOGIC_MALI_INIT; |
| mali_dev.mmio_list = mali_mmios; |
| mali_dev.mmio_count = countof(mali_mmios); |
| mali_dev.irq_list = mali_irqs; |
| mali_dev.irq_count = countof(mali_irqs); |
| mali_dev.bti_list = mali_btis; |
| mali_dev.bti_count = countof(mali_btis); |
| using fuchsia_hardware_gpu_amlogic::wire::Metadata; |
| fidl::Arena allocator; |
| Metadata metadata(allocator); |
| metadata.set_supports_protected_mode(allocator, true); |
| fidl::OwnedEncodedMessage<Metadata> encoded_metadata(&metadata); |
| if (!encoded_metadata.ok()) { |
| zxlogf(ERROR, "%s: Could not build metadata %s\n", __func__, |
| encoded_metadata.FormatDescription().c_str()); |
| return encoded_metadata.status(); |
| } |
| auto encoded_metadata_bytes = encoded_metadata.GetOutgoingMessage().CopyBytes(); |
| const pbus_metadata_t mali_metadata_list[] = { |
| { |
| .type = fuchsia_hardware_gpu_amlogic::wire::kMaliMetadata, |
| .data_buffer = encoded_metadata_bytes.data(), |
| .data_size = encoded_metadata_bytes.size(), |
| }, |
| }; |
| mali_dev.metadata_list = mali_metadata_list; |
| mali_dev.metadata_count = countof(mali_metadata_list); |
| mali_dev.smc_list = nelson_mali_smcs; |
| mali_dev.smc_count = countof(nelson_mali_smcs); |
| |
| // Populate the BTI information |
| mali_btis[0].iommu_index = 0; |
| mali_btis[0].bti_id = BTI_MALI; |
| |
| zx_status_t status = pbus_.AddComposite(&mali_dev, reinterpret_cast<uint64_t>(mali_fragments), |
| countof(mali_fragments), "pdev"); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "CompositeDeviceAdd failed: %d", status); |
| return status; |
| } |
| return status; |
| } |
| |
| } // namespace nelson |