| // 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 <lib/mmio/mmio.h> |
| #include <lib/zx/handle.h> |
| |
| #include <optional> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/init-step.h> |
| #include <ddk/platform-defs.h> |
| #include <ddktl/protocol/gpioimpl.h> |
| #include <fbl/algorithm.h> |
| #include <hw/reg.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 sherlock { |
| |
| 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); |
| }; |
| |
| constexpr pbus_boot_metadata_t wifi_boot_metadata[] = { |
| { |
| .zbi_type = DEVICE_METADATA_MAC_ADDRESS, |
| .zbi_extra = MACADDR_WIFI, |
| }, |
| }; |
| |
| constexpr pbus_mmio_t sd_emmc_mmios[] = { |
| { |
| .base = T931_SD_EMMC_A_BASE, |
| .length = T931_SD_EMMC_A_LENGTH, |
| }, |
| }; |
| |
| constexpr pbus_irq_t sd_emmc_irqs[] = { |
| { |
| .irq = T931_SD_EMMC_A_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| constexpr pbus_bti_t sd_emmc_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }, |
| }; |
| |
| constexpr aml_sdmmc_config_t sd_emmc_config = { |
| .supports_dma = false, |
| .min_freq = 500'000, // 500KHz |
| .max_freq = 208'000'000, // 208MHz |
| .version_3 = true, |
| .prefs = 0, |
| }; |
| |
| 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"}, 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}, |
| }, |
| #if (IS_LUIS) |
| .cc_table = |
| { |
| {"WW", 2}, {"AU", 924}, {"CA", 902}, {"US", 844}, {"GB", 890}, {"BE", 890}, |
| {"BG", 890}, {"CZ", 890}, {"DK", 890}, {"DE", 890}, {"EE", 890}, {"IE", 890}, |
| {"GR", 890}, {"ES", 890}, {"FR", 890}, {"HR", 890}, {"IT", 890}, {"CY", 890}, |
| {"LV", 890}, {"LT", 890}, {"LU", 890}, {"HU", 890}, {"MT", 890}, {"NL", 890}, |
| {"AT", 890}, {"PL", 890}, {"PT", 890}, {"RO", 890}, {"SI", 890}, {"SK", 890}, |
| {"FI", 890}, {"SE", 890}, {"EL", 890}, {"IS", 890}, {"LI", 890}, {"TR", 890}, |
| {"CH", 890}, {"NO", 890}, {"JP", 3}, {"KR", 3}, {"TW", 3}, {"IN", 3}, |
| {"SG", 3}, {"MX", 3}, {"NZ", 3}, {"", 0}, |
| }, |
| #else |
| .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}, {"KR", 2}, {"TW", 2}, {"IN", 2}, |
| {"SG", 2}, {"MX", 2}, {"NZ", 2}, {"", 0}, |
| }, |
| #endif |
| }; |
| |
| constexpr pbus_metadata_t sd_emmc_metadata[] = { |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .data_buffer = &sd_emmc_config, |
| .data_size = sizeof(sd_emmc_config), |
| }, |
| { |
| .type = DEVICE_METADATA_WIFI_CONFIG, |
| .data_buffer = &wifi_config, |
| .data_size = sizeof(wifi_config), |
| }, |
| }; |
| |
| const pbus_dev_t sdio_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "sherlock-sd-emmc"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_GENERIC; |
| dev.did = PDEV_DID_AMLOGIC_SDMMC_A; |
| dev.mmio_list = sd_emmc_mmios; |
| dev.mmio_count = countof(sd_emmc_mmios); |
| dev.bti_list = sd_emmc_btis; |
| dev.bti_count = countof(sd_emmc_btis); |
| dev.irq_list = sd_emmc_irqs; |
| dev.irq_count = countof(sd_emmc_irqs); |
| dev.metadata_list = sd_emmc_metadata; |
| dev.metadata_count = countof(sd_emmc_metadata); |
| dev.boot_metadata_list = wifi_boot_metadata; |
| dev.boot_metadata_count = countof(wifi_boot_metadata); |
| return dev; |
| }(); |
| |
| // Composite binding rules for wifi driver. |
| constexpr zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| constexpr zx_bind_inst_t sdio_fn1_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_SDIO), BI_ABORT_IF(NE, BIND_SDIO_VID, 0x02d0), |
| BI_ABORT_IF(NE, BIND_SDIO_FUNCTION, 1), BI_MATCH_IF(EQ, BIND_SDIO_PID, 0x4345), |
| BI_MATCH_IF(EQ, BIND_SDIO_PID, 0x4359), |
| }; |
| constexpr zx_bind_inst_t sdio_fn2_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_SDIO), BI_ABORT_IF(NE, BIND_SDIO_VID, 0x02d0), |
| BI_ABORT_IF(NE, BIND_SDIO_FUNCTION, 2), BI_MATCH_IF(EQ, BIND_SDIO_PID, 0x4345), |
| BI_MATCH_IF(EQ, BIND_SDIO_PID, 0x4359), |
| }; |
| constexpr zx_bind_inst_t oob_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, T931_WIFI_HOST_WAKE), |
| }; |
| constexpr device_fragment_part_t sdio_fn1_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(sdio_fn1_match), sdio_fn1_match}, |
| }; |
| constexpr device_fragment_part_t sdio_fn2_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(sdio_fn2_match), sdio_fn2_match}, |
| }; |
| constexpr device_fragment_part_t oob_gpio_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(oob_gpio_match), oob_gpio_match}, |
| }; |
| constexpr device_fragment_t wifi_composite[] = { |
| {"sdio-function-1", std::size(sdio_fn1_fragment), sdio_fn1_fragment}, |
| {"sdio-function-2", std::size(sdio_fn2_fragment), sdio_fn2_fragment}, |
| {"gpio-oob", std::size(oob_gpio_fragment), oob_gpio_fragment}, |
| }; |
| |
| // Composite binding rules for SDIO. |
| constexpr zx_bind_inst_t wifi_pwren_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, T931_WIFI_REG_ON), |
| }; |
| constexpr zx_bind_inst_t pwm_e_match[] = { |
| BI_MATCH_IF(EQ, BIND_INIT_STEP, BIND_INIT_STEP_PWM), |
| }; |
| constexpr device_fragment_part_t wifi_pwren_gpio_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(wifi_pwren_gpio_match), wifi_pwren_gpio_match}, |
| }; |
| constexpr device_fragment_part_t pwm_e_fragment[] = { |
| {std::size(root_match), root_match}, |
| {std::size(pwm_e_match), pwm_e_match}, |
| }; |
| constexpr device_fragment_t sdio_fragments[] = { |
| {"gpio-wifi-power-on", std::size(wifi_pwren_gpio_fragment), wifi_pwren_gpio_fragment}, |
| {"pwm", std::size(pwm_e_fragment), pwm_e_fragment}, |
| }; |
| |
| } // namespace |
| |
| zx_status_t Sherlock::SdioInit() { |
| zx_status_t status; |
| |
| // Configure eMMC-SD soc pads. |
| if (((status = gpio_impl_.SetAltFunction(T931_SDIO_D0, T931_SDIO_D0_FN)) != ZX_OK) || |
| ((status = gpio_impl_.SetAltFunction(T931_SDIO_D1, T931_SDIO_D1_FN)) != ZX_OK) || |
| ((status = gpio_impl_.SetAltFunction(T931_SDIO_D2, T931_SDIO_D2_FN)) != ZX_OK) || |
| ((status = gpio_impl_.SetAltFunction(T931_SDIO_D3, T931_SDIO_D3_FN)) != ZX_OK) || |
| ((status = gpio_impl_.SetAltFunction(T931_SDIO_CLK, T931_SDIO_CLK_FN)) != ZX_OK) || |
| ((status = gpio_impl_.SetAltFunction(T931_SDIO_CMD, T931_SDIO_CMD_FN)) != ZX_OK)) { |
| return status; |
| } |
| |
| std::optional<ddk::MmioBuffer> buf; |
| zx::unowned_resource res(get_root_resource()); |
| status = ddk::MmioBuffer::Create(kGpioBase, kGpioBaseOffset + T931_GPIO_LENGTH, *res, |
| ZX_CACHE_POLICY_UNCACHED_DEVICE, &buf); |
| |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ddk::MmioBuffer::Create() error: %d", __func__, status); |
| return status; |
| } |
| |
| 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)); |
| |
| status = gpio_impl_.SetAltFunction(T931_WIFI_REG_ON, T931_WIFI_REG_ON_FN); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| status = gpio_impl_.SetAltFunction(T931_WIFI_HOST_WAKE, T931_WIFI_HOST_WAKE_FN); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| status = |
| pbus_.CompositeDeviceAdd(&sdio_dev, sdio_fragments, std::size(sdio_fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd() error: %d", __func__, status); |
| return status; |
| } |
| |
| // Add a composite device for wifi driver. |
| constexpr zx_device_prop_t props[] = { |
| {BIND_PLATFORM_DEV_VID, 0, PDEV_VID_BROADCOM}, |
| {BIND_PLATFORM_DEV_PID, 0, PDEV_PID_BCM43458}, |
| {BIND_PLATFORM_DEV_DID, 0, PDEV_DID_BCM_WIFI}, |
| }; |
| |
| const composite_device_desc_t comp_desc = { |
| .props = props, |
| .props_count = countof(props), |
| .fragments = wifi_composite, |
| .fragments_count = countof(wifi_composite), |
| .coresident_device_index = 0, |
| .metadata_list = nullptr, |
| .metadata_count = 0, |
| }; |
| |
| status = DdkAddComposite("wifi", &comp_desc); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: device_add_composite failed: %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace sherlock |