| // 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.platform.bus/cpp/driver/fidl.h> |
| #include <fidl/fuchsia.hardware.platform.bus/cpp/fidl.h> |
| #include <fidl/fuchsia.hardware.sdmmc/cpp/wire.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/metadata.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <lib/driver/component/cpp/composite_node_spec.h> |
| #include <lib/driver/component/cpp/node_add_args.h> |
| #include <lib/mmio/mmio.h> |
| #include <lib/zx/handle.h> |
| |
| #include <optional> |
| |
| #include <bind/fuchsia/amlogic/platform/cpp/bind.h> |
| #include <bind/fuchsia/broadcom/platform/cpp/bind.h> |
| #include <bind/fuchsia/broadcom/platform/sdio/cpp/bind.h> |
| #include <bind/fuchsia/cpp/bind.h> |
| #include <bind/fuchsia/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/gpio/cpp/bind.h> |
| #include <bind/fuchsia/hardware/sdio/cpp/bind.h> |
| #include <bind/fuchsia/platform/cpp/bind.h> |
| #include <bind/fuchsia/pwm/cpp/bind.h> |
| #include <bind/fuchsia/sdio/cpp/bind.h> |
| #include <fbl/algorithm.h> |
| #include <hwreg/bitfields.h> |
| #include <soc/aml-common/aml-sdmmc.h> |
| #include <soc/aml-t931/t931-gpio.h> |
| #include <soc/aml-t931/t931-hw.h> |
| #include <wifi/wifi-config.h> |
| |
| #include "sherlock.h" |
| |
| namespace fdf { |
| using namespace fuchsia_driver_framework; |
| } // namespace fdf |
| |
| namespace sherlock { |
| namespace fpbus = fuchsia_hardware_platform_bus; |
| |
| namespace { |
| |
| constexpr uint32_t kGpioBase = fbl::round_down<uint32_t, uint32_t>(T931_GPIO_BASE, PAGE_SIZE); |
| constexpr uint32_t kGpioBaseOffset = T931_GPIO_BASE - kGpioBase; |
| |
| class PadDsReg2A : public hwreg::RegisterBase<PadDsReg2A, uint32_t> { |
| public: |
| static constexpr uint32_t kDriveStrengthMax = 3; |
| |
| static auto Get() { return hwreg::RegisterAddr<PadDsReg2A>((0xd2 * 4) + kGpioBaseOffset); } |
| |
| DEF_FIELD(1, 0, gpiox_0_select); |
| DEF_FIELD(3, 2, gpiox_1_select); |
| DEF_FIELD(5, 4, gpiox_2_select); |
| DEF_FIELD(7, 6, gpiox_3_select); |
| DEF_FIELD(9, 8, gpiox_4_select); |
| DEF_FIELD(11, 10, gpiox_5_select); |
| }; |
| |
| static const std::vector<fpbus::BootMetadata> wifi_boot_metadata{ |
| {{ |
| .zbi_type = DEVICE_METADATA_MAC_ADDRESS, |
| .zbi_extra = MACADDR_WIFI, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Mmio> sd_emmc_mmios{ |
| {{ |
| .base = T931_SD_EMMC_A_BASE, |
| .length = T931_SD_EMMC_A_LENGTH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Irq> sd_emmc_irqs{ |
| {{ |
| .irq = T931_SD_EMMC_A_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }}, |
| }; |
| |
| static const std::vector<fpbus::Bti> sd_emmc_btis{ |
| {{ |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }}, |
| }; |
| |
| constexpr wifi_config_t wifi_config = { |
| .oob_irq_mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| .iovar_table = |
| { |
| {IOVAR_STR_TYPE, {"ampdu_ba_wsize"}, 32}, |
| {IOVAR_STR_TYPE, {"stbc_tx"}, 0}, // since tx_streams is 1 |
| {IOVAR_STR_TYPE, {"stbc_rx"}, 1}, |
| {IOVAR_CMD_TYPE, {.iovar_cmd = BRCMF_C_SET_PM}, 0}, |
| {IOVAR_CMD_TYPE, {.iovar_cmd = BRCMF_C_SET_FAKEFRAG}, 1}, |
| {IOVAR_LIST_END_TYPE, {{0}}, 0}, |
| }, |
| .cc_table = |
| { |
| {"WW", 1}, {"AU", 923}, {"CA", 901}, {"US", 843}, {"GB", 889}, {"BE", 889}, |
| {"BG", 889}, {"CZ", 889}, {"DK", 889}, {"DE", 889}, {"EE", 889}, {"IE", 889}, |
| {"GR", 889}, {"ES", 889}, {"FR", 889}, {"HR", 889}, {"IT", 889}, {"CY", 889}, |
| {"LV", 889}, {"LT", 889}, {"LU", 889}, {"HU", 889}, {"MT", 889}, {"NL", 889}, |
| {"AT", 889}, {"PL", 889}, {"PT", 889}, {"RO", 889}, {"SI", 889}, {"SK", 889}, |
| {"FI", 889}, {"SE", 889}, {"EL", 889}, {"IS", 889}, {"LI", 889}, {"TR", 889}, |
| {"CH", 889}, {"NO", 889}, {"JP", 2}, {"", 0}, |
| }, |
| }; |
| |
| static const std::vector<fpbus::Metadata> wifi_metadata{ |
| {{ |
| .type = DEVICE_METADATA_WIFI_CONFIG, |
| .data = std::vector<uint8_t>( |
| reinterpret_cast<const uint8_t*>(&wifi_config), |
| reinterpret_cast<const uint8_t*>(&wifi_config) + sizeof(wifi_config)), |
| }}, |
| }; |
| |
| const std::vector<fdf::BindRule> kPwmRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia::INIT_STEP, bind_fuchsia_pwm::BIND_INIT_STEP_PWM), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kPwmProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia::INIT_STEP, bind_fuchsia_pwm::BIND_INIT_STEP_PWM), |
| }; |
| |
| const std::vector<fdf::BindRule> kGpioResetRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule(bind_fuchsia::GPIO_PIN, static_cast<uint32_t>(T931_WIFI_REG_ON)), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kGpioResetProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty(bind_fuchsia_gpio::FUNCTION, bind_fuchsia_gpio::FUNCTION_SDMMC_RESET), |
| }; |
| |
| const std::vector<fdf::BindRule> kGpioInitRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kGpioInitProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia::INIT_STEP, bind_fuchsia_gpio::BIND_INIT_STEP_GPIO), |
| }; |
| |
| zx_status_t AddWifiComposite(fdf::WireSyncClient<fpbus::PlatformBus>& pbus, |
| fidl::AnyArena& fidl_arena, fdf::Arena& arena) { |
| const std::vector<fdf::BindRule> kGpioWifiHostRules = std::vector{ |
| fdf::MakeAcceptBindRule(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeAcceptBindRule(bind_fuchsia::GPIO_PIN, static_cast<uint32_t>(T931_WIFI_HOST_WAKE)), |
| }; |
| |
| const std::vector<fdf::NodeProperty> kGpioWifiHostProperties = std::vector{ |
| fdf::MakeProperty(bind_fuchsia_hardware_gpio::SERVICE, |
| bind_fuchsia_hardware_gpio::SERVICE_ZIRCONTRANSPORT), |
| }; |
| |
| fpbus::Node wifi_dev; |
| wifi_dev.name() = "wifi"; |
| wifi_dev.vid() = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_VID_BROADCOM; |
| wifi_dev.pid() = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_PID_BCM43458; |
| wifi_dev.did() = bind_fuchsia_broadcom_platform::BIND_PLATFORM_DEV_DID_WIFI; |
| wifi_dev.metadata() = wifi_metadata; |
| wifi_dev.boot_metadata() = wifi_boot_metadata; |
| |
| constexpr uint32_t kSdioFunctionCount = 2; |
| std::vector<fdf::ParentSpec> wifi_parents = { |
| fdf::ParentSpec{{kGpioWifiHostRules, kGpioWifiHostProperties}}}; |
| wifi_parents.reserve(wifi_parents.size() + kSdioFunctionCount); |
| for (uint32_t i = 1; i <= kSdioFunctionCount; i++) { |
| auto sdio_bind_rules = { |
| fdf::MakeAcceptBindRule(bind_fuchsia::PROTOCOL, bind_fuchsia_sdio::BIND_PROTOCOL_DEVICE), |
| fdf::MakeAcceptBindRule(bind_fuchsia::SDIO_VID, |
| bind_fuchsia_broadcom_platform_sdio::BIND_SDIO_VID_BROADCOM), |
| fdf::MakeAcceptBindRule(bind_fuchsia::SDIO_PID, |
| bind_fuchsia_broadcom_platform_sdio::BIND_SDIO_PID_BCM4345), |
| fdf::MakeAcceptBindRule(bind_fuchsia::SDIO_FUNCTION, i), |
| }; |
| |
| auto sdio_properties = { |
| fdf::MakeProperty(bind_fuchsia_hardware_sdio::SERVICE, |
| bind_fuchsia_hardware_sdio::SERVICE_ZIRCONTRANSPORT), |
| fdf::MakeProperty(bind_fuchsia::SDIO_FUNCTION, i), |
| }; |
| |
| wifi_parents.push_back(fdf::ParentSpec{ |
| {sdio_bind_rules, sdio_properties}, |
| }); |
| } |
| |
| fdf::WireUnownedResult result = pbus.buffer(arena)->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, wifi_dev), |
| fidl::ToWire(fidl_arena, fuchsia_driver_framework::CompositeNodeSpec{ |
| {.name = "wifi", .parents = wifi_parents}})); |
| if (!result.ok()) { |
| zxlogf(ERROR, "Failed to send AddCompositeNodeSpec request to platform bus: %s", |
| result.status_string()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "Failed to add wifi composite to platform device: %s", |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| return ZX_OK; |
| } |
| |
| } // namespace |
| |
| zx_status_t Sherlock::SdioInit() { |
| fidl::Arena<> fidl_arena; |
| |
| fit::result sdmmc_metadata = |
| fidl::Persist(fuchsia_hardware_sdmmc::wire::SdmmcMetadata::Builder(fidl_arena) |
| .max_frequency(208'000'000) |
| // TODO(https://fxbug.dev/42084501): Use the FIDL SDMMC protocol. |
| .use_fidl(false) |
| .Build()); |
| if (!sdmmc_metadata.is_ok()) { |
| zxlogf(ERROR, "Failed to encode SDMMC metadata: %s", |
| sdmmc_metadata.error_value().FormatDescription().c_str()); |
| return sdmmc_metadata.error_value().status(); |
| } |
| |
| const std::vector<fpbus::Metadata> sd_emmc_metadata{ |
| {{ |
| .type = DEVICE_METADATA_SDMMC, |
| .data = std::move(sdmmc_metadata.value()), |
| }}, |
| }; |
| |
| fpbus::Node sdio_dev; |
| sdio_dev.name() = "sherlock-sd-emmc"; |
| sdio_dev.vid() = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_VID_AMLOGIC; |
| sdio_dev.pid() = bind_fuchsia_platform::BIND_PLATFORM_DEV_PID_GENERIC; |
| sdio_dev.did() = bind_fuchsia_amlogic_platform::BIND_PLATFORM_DEV_DID_SDMMC_A; |
| sdio_dev.mmio() = sd_emmc_mmios; |
| sdio_dev.bti() = sd_emmc_btis; |
| sdio_dev.irq() = sd_emmc_irqs; |
| sdio_dev.metadata() = sd_emmc_metadata; |
| |
| // Configure eMMC-SD soc pads. |
| gpio_init_steps_.push_back({T931_SDIO_D0, GpioSetAltFunction(T931_SDIO_D0_FN)}); |
| gpio_init_steps_.push_back({T931_SDIO_D1, GpioSetAltFunction(T931_SDIO_D1_FN)}); |
| gpio_init_steps_.push_back({T931_SDIO_D2, GpioSetAltFunction(T931_SDIO_D2_FN)}); |
| gpio_init_steps_.push_back({T931_SDIO_D3, GpioSetAltFunction(T931_SDIO_D3_FN)}); |
| gpio_init_steps_.push_back({T931_SDIO_CLK, GpioSetAltFunction(T931_SDIO_CLK_FN)}); |
| gpio_init_steps_.push_back({T931_SDIO_CMD, GpioSetAltFunction(T931_SDIO_CMD_FN)}); |
| |
| zx::unowned_resource res(get_mmio_resource(parent())); |
| zx::vmo vmo; |
| zx_status_t status = |
| zx::vmo::create_physical(*res, kGpioBase, kGpioBaseOffset + T931_GPIO_LENGTH, &vmo); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "failed to create VMO: %s", zx_status_get_string(status)); |
| return status; |
| } |
| zx::result<fdf::MmioBuffer> buf = fdf::MmioBuffer::Create( |
| 0, kGpioBaseOffset + T931_GPIO_LENGTH, std::move(vmo), ZX_CACHE_POLICY_UNCACHED_DEVICE); |
| |
| if (buf.is_error()) { |
| zxlogf(ERROR, "fdf::MmioBuffer::Create() error: %s", buf.status_string()); |
| return buf.status_value(); |
| } |
| |
| PadDsReg2A::Get() |
| .ReadFrom(&(*buf)) |
| .set_gpiox_0_select(PadDsReg2A::kDriveStrengthMax) |
| .set_gpiox_1_select(PadDsReg2A::kDriveStrengthMax) |
| .set_gpiox_2_select(PadDsReg2A::kDriveStrengthMax) |
| .set_gpiox_3_select(PadDsReg2A::kDriveStrengthMax) |
| .set_gpiox_4_select(PadDsReg2A::kDriveStrengthMax) |
| .set_gpiox_5_select(PadDsReg2A::kDriveStrengthMax) |
| .WriteTo(&(*buf)); |
| |
| gpio_init_steps_.push_back({T931_WIFI_REG_ON, GpioSetAltFunction(T931_WIFI_REG_ON_FN)}); |
| gpio_init_steps_.push_back({T931_WIFI_HOST_WAKE, GpioSetAltFunction(T931_WIFI_HOST_WAKE_FN)}); |
| |
| std::vector<fdf::ParentSpec> kSdioParents = { |
| fdf::ParentSpec{{kPwmRules, kPwmProperties}}, |
| fdf::ParentSpec{{kGpioInitRules, kGpioInitProperties}}, |
| fdf::ParentSpec{{kGpioResetRules, kGpioResetProperties}}}; |
| |
| fdf::Arena sdio_arena('SDIO'); |
| auto result = |
| pbus_.buffer(sdio_arena) |
| ->AddCompositeNodeSpec( |
| fidl::ToWire(fidl_arena, sdio_dev), |
| fidl::ToWire(fidl_arena, fuchsia_driver_framework::CompositeNodeSpec{ |
| {.name = "sherlock_sd_emmc", .parents = kSdioParents}})); |
| |
| if (!result.ok()) { |
| zxlogf(ERROR, "AddCompositeNodeSpec Sdio(sdio_dev) request failed: %s", |
| result.FormatDescription().data()); |
| return result.status(); |
| } |
| if (result->is_error()) { |
| zxlogf(ERROR, "AddCompositeNodeSpec Sdio(sdio_dev) failed: %s", |
| zx_status_get_string(result->error_value())); |
| return result->error_value(); |
| } |
| |
| fdf::Arena wifi_arena('WIFI'); |
| status = AddWifiComposite(pbus_, fidl_arena, wifi_arena); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace sherlock |