| // 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/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/protocol/platform-defs.h> |
| #include <hw/reg.h> |
| #include <soc/aml-s912/s912-hw.h> |
| #include <soc/aml-a113/a113-hw.h> |
| #include <soc/aml-s912/s912-gpio.h> |
| #include <soc/aml-common/aml-sd-emmc.h> |
| |
| #include "vim.h" |
| |
| static const pbus_mmio_t sdio_mmios[] = { |
| { |
| .base = 0xD0070000, |
| .length = 0x2000, |
| } |
| }; |
| |
| static const pbus_irq_t sdio_irqs[] = { |
| { |
| .irq = 248, |
| }, |
| }; |
| |
| static const pbus_bti_t sdio_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_SDIO, |
| }, |
| }; |
| |
| static const pbus_gpio_t sdio_gpios[] = { |
| { |
| .gpio = S912_GPIOX(6), |
| }, |
| { |
| .gpio = S912_WIFI_SDIO_WAKE_HOST, |
| }, |
| }; |
| |
| static aml_sd_emmc_config_t config = { |
| .supports_dma = true, |
| .max_freq = 125000000, |
| .min_freq = 400000, |
| }; |
| |
| static const pbus_metadata_t aml_sd_emmc_metadata[] = { |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .extra = 0, |
| .data = &config, |
| .len = sizeof(config), |
| } |
| }; |
| |
| static const pbus_dev_t sdio_dev = { |
| .name = "vim_sdio", |
| .vid = PDEV_VID_AMLOGIC, |
| .pid = PDEV_PID_GENERIC, |
| .did = PDEV_DID_AMLOGIC_SD_EMMC, |
| .mmios = sdio_mmios, |
| .mmio_count = countof(sdio_mmios), |
| .irqs = sdio_irqs, |
| .irq_count = countof(sdio_irqs), |
| .btis = sdio_btis, |
| .bti_count = countof(sdio_btis), |
| .gpios = sdio_gpios, |
| .gpio_count = countof(sdio_gpios), |
| .metadata = aml_sd_emmc_metadata, |
| .metadata_count = countof(aml_sd_emmc_metadata), |
| }; |
| |
| zx_status_t vim_sdio_init(vim_bus_t* bus) { |
| zx_status_t status; |
| |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_D0, S912_WIFI_SDIO_D0_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_D1, S912_WIFI_SDIO_D1_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_D2, S912_WIFI_SDIO_D2_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_D3, S912_WIFI_SDIO_D3_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_CLK, S912_WIFI_SDIO_CLK_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_CMD, S912_WIFI_SDIO_CMD_FN); |
| gpio_set_alt_function(&bus->gpio, S912_WIFI_SDIO_WAKE_HOST, S912_WIFI_SDIO_WAKE_HOST_FN); |
| |
| if ((status = pbus_device_add(&bus->pbus, &sdio_dev, 0)) != ZX_OK) { |
| zxlogf(ERROR, "vim_sdio_init could not add sdio_dev: %d\n", status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |