| // Copyright 2020 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 <fuchsia/hardware/sdmmc/c/banjo.h> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/metadata.h> |
| #include <ddk/metadata/gpt.h> |
| #include <ddk/platform-defs.h> |
| #include <hw/reg.h> |
| #include <soc/aml-a311d/a311d-gpio.h> |
| #include <soc/aml-a311d/a311d-hw.h> |
| #include <soc/aml-common/aml-sdmmc.h> |
| |
| #include "vim3.h" |
| |
| namespace vim3 { |
| #define BIT_MASK(start, count) (((1 << (count)) - 1) << (start)) |
| #define SET_BITS(dest, start, count, value) \ |
| ((dest & ~BIT_MASK(start, count)) | (((value) << (start)) & BIT_MASK(start, count))) |
| |
| static const pbus_mmio_t emmc_mmios[] = {{ |
| .base = A311D_EMMC_C_BASE, |
| .length = A311D_EMMC_C_LENGTH, |
| }}; |
| |
| static const pbus_irq_t emmc_irqs[] = { |
| { |
| .irq = A311D_SD_EMMC_C_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_bti_t emmc_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_EMMC, |
| }, |
| }; |
| |
| static aml_sdmmc_config_t config = { |
| .supports_dma = true, |
| .min_freq = 400000, |
| .max_freq = 120000000, |
| .version_3 = true, |
| .prefs = SDMMC_HOST_PREFS_DISABLE_HS400, |
| }; |
| static const guid_map_t guid_map[] = { |
| {"zircon-a", GUID_ZIRCON_A_VALUE}, |
| {"zircon-b", GUID_ZIRCON_B_VALUE}, |
| {"zircon-r", GUID_ZIRCON_R_VALUE}, |
| {"fvm", GUID_FVM_VALUE}, |
| }; |
| static const pbus_metadata_t emmc_metadata[] = { |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .data_buffer = &config, |
| .data_size = sizeof(config), |
| }, |
| { |
| .type = DEVICE_METADATA_GUID_MAP, |
| .data_buffer = guid_map, |
| .data_size = sizeof(guid_map), |
| }, |
| }; |
| |
| static const pbus_boot_metadata_t emmc_boot_metadata[] = { |
| { |
| .zbi_type = DEVICE_METADATA_PARTITION_MAP, |
| .zbi_extra = 0, |
| }, |
| }; |
| |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const zx_bind_inst_t gpio_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, A311D_GPIOBOOT(12)), |
| }; |
| static const device_fragment_part_t gpio_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(gpio_match), gpio_match}, |
| }; |
| static const device_fragment_t fragments[] = { |
| {"gpio", countof(gpio_fragment), gpio_fragment}, |
| }; |
| |
| zx_status_t Vim3::EmmcInit() { |
| zx_status_t status; |
| |
| pbus_dev_t emmc_dev = {}; |
| emmc_dev.name = "aml_emmc"; |
| emmc_dev.vid = PDEV_VID_AMLOGIC; |
| emmc_dev.pid = PDEV_PID_GENERIC; |
| emmc_dev.did = PDEV_DID_AMLOGIC_SDMMC_C; |
| emmc_dev.mmio_list = emmc_mmios; |
| emmc_dev.mmio_count = countof(emmc_mmios); |
| emmc_dev.irq_list = emmc_irqs; |
| emmc_dev.irq_count = countof(emmc_irqs); |
| emmc_dev.bti_list = emmc_btis; |
| emmc_dev.bti_count = countof(emmc_btis); |
| emmc_dev.metadata_list = emmc_metadata; |
| emmc_dev.metadata_count = countof(emmc_metadata); |
| emmc_dev.boot_metadata_list = emmc_boot_metadata; |
| emmc_dev.boot_metadata_count = countof(emmc_boot_metadata); |
| |
| // set alternate functions to enable EMMC |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(0), A311D_GPIOBOOT_0_EMMC_D0_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(1), A311D_GPIOBOOT_1_EMMC_D1_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(2), A311D_GPIOBOOT_2_EMMC_D2_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(3), A311D_GPIOBOOT_3_EMMC_D3_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(4), A311D_GPIOBOOT_4_EMMC_D4_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(5), A311D_GPIOBOOT_5_EMMC_D5_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(6), A311D_GPIOBOOT_6_EMMC_D6_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(7), A311D_GPIOBOOT_7_EMMC_D7_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(8), A311D_GPIOBOOT_8_EMMC_CLK_FN); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(10), A311D_GPIOBOOT_10_EMMC_CMD_FN); |
| // gpio_impl_.SetAltFunction(A311D_GPIOBOOT(12), 1); |
| gpio_impl_.SetAltFunction(A311D_GPIOBOOT(13), A311D_GPIOBOOT_13_EMMC_DS_FN); |
| |
| gpio_impl_.ConfigOut(A311D_GPIOBOOT(14), 1); |
| |
| status = pbus_.CompositeDeviceAdd(&emmc_dev, fragments, countof(fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "SdEmmcInit could not add emmc_dev: %d\n", status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| } // namespace vim3 |