| // 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 <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <hw/reg.h> |
| #include <lib/mmio/mmio.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-common/aml-sd-emmc.h> |
| #include <wifi/wifi-config.h> |
| |
| #include "astro.h" |
| |
| namespace astro { |
| |
| 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 = S905D2_EMMC_B_SDIO_BASE, |
| .length = S905D2_EMMC_B_SDIO_LENGTH, |
| }, |
| |
| { |
| .base = S905D2_GPIO_BASE, |
| .length = S905D2_GPIO_LENGTH, |
| }, |
| { |
| .base = S905D2_HIU_BASE, |
| .length = S905D2_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t sd_emmc_irqs[] = { |
| { |
| .irq = S905D2_EMMC_B_SDIO_IRQ, |
| .mode = 0, |
| }, |
| }; |
| |
| static const pbus_bti_t sd_emmc_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }, |
| }; |
| |
| static const pbus_gpio_t sd_emmc_gpios[] = { |
| { |
| .gpio = S905D2_GPIOX(6), |
| }, |
| }; |
| |
| static aml_sd_emmc_config_t config = { |
| .supports_dma = true, |
| .min_freq = 400000, |
| .max_freq = 50000000, |
| }; |
| |
| static const wifi_config_t wifi_config = { |
| .oob_irq_mode = ZX_INTERRUPT_MODE_LEVEL_HIGH, |
| }; |
| |
| static const pbus_metadata_t sd_emmc_metadata[] = { |
| { |
| .type = DEVICE_METADATA_EMMC_CONFIG, |
| .data_buffer = &config, |
| .data_size = sizeof(config), |
| }, |
| { |
| .type = DEVICE_METADATA_WIFI_CONFIG, |
| .data_buffer = &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_SD_EMMC_B; |
| 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.gpio_list = sd_emmc_gpios; |
| dev.gpio_count = countof(sd_emmc_gpios); |
| 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, S905D2_WIFI_SDIO_WAKE_HOST), |
| }; |
| static const device_component_part_t sdio_fn1_component[] = { |
| { countof(root_match), root_match }, |
| { countof(sdio_fn1_match), sdio_fn1_match }, |
| }; |
| static const device_component_part_t sdio_fn2_component[] = { |
| { countof(root_match), root_match }, |
| { countof(sdio_fn2_match), sdio_fn2_match }, |
| }; |
| static const device_component_part_t oob_gpio_component[] = { |
| { countof(root_match), root_match }, |
| { countof(oob_gpio_match), oob_gpio_match }, |
| }; |
| static const device_component_t wifi_composite[] = { |
| { countof(sdio_fn1_component), sdio_fn1_component }, |
| { countof(sdio_fn2_component), sdio_fn2_component }, |
| { countof(oob_gpio_component), oob_gpio_component }, |
| }; |
| |
| zx_status_t Astro::SdEmmcConfigurePortB() { |
| // Clear GPIO_X |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_D0, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_D1, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_D2, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_D3, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_CLK, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_CMD, 0); |
| gpio_impl_.SetAltFunction(S905D2_WIFI_SDIO_WAKE_HOST, 0); |
| // Clear GPIO_C |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(0), 0); |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(1), 0); |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(2), 0); |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(3), 0); |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(4), 0); |
| gpio_impl_.SetAltFunction(S905D2_GPIOC(5), 0); |
| |
| zx_status_t status; |
| std::optional<ddk::MmioBuffer> gpio_base; |
| // Please do not use get_root_resource() in new code. See ZX-1467. |
| zx::unowned_resource resource(get_root_resource()); |
| |
| const uint64_t aligned_gpio_base = ROUNDDOWN(S905D2_GPIO_BASE, PAGE_SIZE); |
| size_t aligned_size = ROUNDUP((S905D2_GPIO_BASE - aligned_gpio_base) + |
| S905D2_GPIO_LENGTH, |
| PAGE_SIZE); |
| |
| status = ddk::MmioBuffer::Create(aligned_gpio_base, aligned_size, *resource, |
| ZX_CACHE_POLICY_UNCACHED_DEVICE, |
| &gpio_base); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: Create(gpio) error: %d\n", |
| __func__, status); |
| } |
| |
| //TODO(ravoorir): Figure out if we need gpio protocol ops to modify these |
| //gpio registers. |
| uint32_t preg_pad_gpio5_val = |
| gpio_base->Read32(S905D2_PREG_PAD_GPIO5_O << 2) | |
| AML_SDIO_PORTB_GPIO_REG_5_VAL; |
| gpio_base->Write32(preg_pad_gpio5_val, S905D2_PREG_PAD_GPIO5_O << 2); |
| |
| uint32_t periphs_pin_mux2_val = |
| gpio_base->Read32(S905D2_PERIPHS_PIN_MUX_2 << 2) | |
| AML_SDIO_PORTB_PERIPHS_PINMUX2_VAL; |
| gpio_base->Write32(periphs_pin_mux2_val, S905D2_PERIPHS_PIN_MUX_2 << 2); |
| |
| uint32_t gpio2_en_n_val = |
| gpio_base->Read32(S905D2_PREG_PAD_GPIO2_EN_N << 2) & |
| AML_SDIO_PORTB_PERIPHS_GPIO2_EN; |
| gpio_base->Write32(gpio2_en_n_val, S905D2_PREG_PAD_GPIO2_EN_N << 2); |
| |
| // Configure clock settings |
| std::optional<ddk::MmioBuffer> hiu_base; |
| status = ddk::MmioBuffer::Create(S905D2_HIU_BASE, S905D2_HIU_LENGTH, |
| *resource, |
| ZX_CACHE_POLICY_UNCACHED_DEVICE, |
| &hiu_base); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: Create(hiu) error: %d\n", |
| __func__, status); |
| } |
| |
| uint32_t hhi_gclock_val = hiu_base->Read32(HHI_GCLK_MPEG0_OFFSET << 2) | |
| AML_SDIO_PORTB_HHI_GCLK_MPEG0_VAL; |
| hiu_base->Write32(hhi_gclock_val, HHI_GCLK_MPEG0_OFFSET << 2); |
| |
| uint32_t hh1_sd_emmc_clock_val = |
| hiu_base->Read32(HHI_SD_EMMC_CLK_CNTL_OFFSET << 2) & |
| AML_SDIO_PORTB_SD_EMMC_CLK_VAL; |
| hiu_base->Write32(hh1_sd_emmc_clock_val, HHI_SD_EMMC_CLK_CNTL_OFFSET << 2); |
| |
| return status; |
| } |
| |
| zx_status_t Astro::SdioInit() { |
| zx_status_t status; |
| |
| SdEmmcConfigurePortB(); |
| |
| if ((status = pbus_.DeviceAdd(&sd_emmc_dev)) != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd sd_emmc failed: %d\n", |
| __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 }, |
| }; |
| |
| status = DdkAddComposite("wifi", props, countof(props), wifi_composite, |
| countof(wifi_composite), 0); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd_composite failed: %d\n", |
| __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| |
| } // namespace astro |
