| // 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/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <lib/ddk/hw/reg.h> |
| #include <lib/mmio/mmio.h> |
| #include <lib/zircon-internal/align.h> |
| |
| #include <lib/ddk/metadata.h> |
| #include <ddk/metadata/init-step.h> |
| #include <fbl/algorithm.h> |
| #include <hwreg/bitfields.h> |
| #include <soc/aml-common/aml-sdmmc.h> |
| #include <soc/aml-s905d3/s905d3-gpio.h> |
| #include <soc/aml-s905d3/s905d3-hw.h> |
| #include <wifi/wifi-config.h> |
| |
| #include "nelson-gpios.h" |
| #include "nelson.h" |
| |
| namespace nelson { |
| |
| namespace { |
| |
| constexpr uint32_t kGpioBase = fbl::round_down<uint32_t, uint32_t>(S905D3_GPIO_BASE, PAGE_SIZE); |
| constexpr uint32_t kGpioBaseOffset = S905D3_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); |
| }; |
| |
| } // namespace |
| |
| static const pbus_boot_metadata_t wifi_boot_metadata[] = { |
| { |
| .zbi_type = DEVICE_METADATA_MAC_ADDRESS, |
| .zbi_extra = MACADDR_WIFI, |
| }, |
| }; |
| |
| static const pbus_mmio_t sd_emmc_mmios[] = { |
| { |
| .base = S905D3_EMMC_A_SDIO_BASE, |
| .length = S905D3_EMMC_A_SDIO_LENGTH, |
| }, |
| { |
| .base = S905D3_GPIO_BASE, |
| .length = S905D3_GPIO_LENGTH, |
| }, |
| { |
| .base = S905D3_HIU_BASE, |
| .length = S905D3_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t sd_emmc_irqs[] = { |
| { |
| .irq = S905D3_EMMC_A_SDIO_IRQ, |
| .mode = 0, |
| }, |
| }; |
| |
| static const pbus_bti_t sd_emmc_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }, |
| }; |
| |
| static aml_sdmmc_config_t config = { |
| .supports_dma = true, |
| .min_freq = 400'000, |
| .max_freq = 208'000'000, |
| .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}, |
| }, |
| .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}, |
| }, |
| }; |
| |
| static const pbus_metadata_t sd_emmc_metadata[] = { |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&config), |
| .data_size = sizeof(config), |
| }, |
| { |
| .type = DEVICE_METADATA_WIFI_CONFIG, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&wifi_config), |
| .data_size = sizeof(wifi_config), |
| }, |
| }; |
| |
| static const pbus_dev_t sd_emmc_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "aml-sdio"; |
| 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.irq_list = sd_emmc_irqs; |
| dev.irq_count = countof(sd_emmc_irqs); |
| dev.bti_list = sd_emmc_btis; |
| dev.bti_count = countof(sd_emmc_btis); |
| 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. |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const 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), |
| }; |
| static const 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), |
| }; |
| static const zx_bind_inst_t oob_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, S905D3_WIFI_SDIO_WAKE_HOST), |
| }; |
| static const device_fragment_part_t sdio_fn1_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(sdio_fn1_match), sdio_fn1_match}, |
| }; |
| static const device_fragment_part_t sdio_fn2_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(sdio_fn2_match), sdio_fn2_match}, |
| }; |
| static const device_fragment_part_t oob_gpio_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(oob_gpio_match), oob_gpio_match}, |
| }; |
| static const device_fragment_t wifi_composite[] = { |
| {"sdio-function-1", countof(sdio_fn1_fragment), sdio_fn1_fragment}, |
| {"sdio-function-2", countof(sdio_fn2_fragment), sdio_fn2_fragment}, |
| {"gpio-oob", countof(oob_gpio_fragment), oob_gpio_fragment}, |
| }; |
| |
| // Composite binding rules for SDIO. |
| static const zx_bind_inst_t wifi_pwren_gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_WIFI_REG_ON), |
| }; |
| constexpr zx_bind_inst_t pwm_e_match[] = { |
| BI_MATCH_IF(EQ, BIND_INIT_STEP, BIND_INIT_STEP_PWM), |
| }; |
| static const device_fragment_part_t wifi_pwren_gpio_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(wifi_pwren_gpio_match), wifi_pwren_gpio_match}, |
| }; |
| constexpr device_fragment_part_t pwm_e_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(pwm_e_match), pwm_e_match}, |
| }; |
| static const device_fragment_t sdio_fragments[] = { |
| {"gpio-wifi-power-on", countof(wifi_pwren_gpio_fragment), wifi_pwren_gpio_fragment}, |
| {"pwm", countof(pwm_e_fragment), pwm_e_fragment}, |
| }; |
| |
| zx_status_t Nelson::SdEmmcConfigurePortB() { |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_D0, S905D3_WIFI_SDIO_D0_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_D1, S905D3_WIFI_SDIO_D1_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_D2, S905D3_WIFI_SDIO_D2_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_D3, S905D3_WIFI_SDIO_D3_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_CLK, S905D3_WIFI_SDIO_CLK_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_CMD, S905D3_WIFI_SDIO_CMD_FN); |
| gpio_impl_.SetAltFunction(S905D3_WIFI_SDIO_WAKE_HOST, 0); |
| |
| zx_status_t status; |
| std::optional<ddk::MmioBuffer> gpio_base; |
| // Please do not use get_root_resource() in new code. See fxbug.dev/31358. |
| zx::unowned_resource resource(get_root_resource()); |
| |
| size_t aligned_size = ZX_ROUNDUP((S905D3_GPIO_BASE - kGpioBase) + S905D3_GPIO_LENGTH, PAGE_SIZE); |
| |
| status = ddk::MmioBuffer::Create(kGpioBase, aligned_size, *resource, |
| ZX_CACHE_POLICY_UNCACHED_DEVICE, &gpio_base); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: Create(gpio) error: %d", __func__, status); |
| } |
| |
| PadDsReg2A::Get() |
| .ReadFrom(&(*gpio_base)) |
| .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(&(*gpio_base)); |
| |
| return status; |
| } |
| |
| zx_status_t Nelson::SdioInit() { |
| zx_status_t status; |
| |
| SdEmmcConfigurePortB(); |
| |
| status = pbus_.CompositeDeviceAdd(&sd_emmc_dev, reinterpret_cast<uint64_t>(sdio_fragments), |
| countof(sdio_fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd sd_emmc failed: %d", __func__, status); |
| return status; |
| } |
| |
| // Add a composite device for wifi driver. |
| const 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: DdkAddComposite failed: %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace nelson |