| // 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 <limits.h> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/ethernet.h> |
| #include <fbl/algorithm.h> |
| #include <soc/aml-s912/s912-gpio.h> |
| #include <soc/aml-s912/s912-hw.h> |
| |
| #include "vim-gpios.h" |
| #include "vim.h" |
| |
| namespace vim { |
| |
| static const pbus_irq_t eth_mac_irqs[] = { |
| { |
| .irq = S912_ETH_GMAC_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_mmio_t eth_board_mmios[] = { |
| { |
| .base = PERIPHS_REG_BASE, |
| .length = PERIPHS_REG_SIZE, |
| }, |
| { |
| .base = S912_HIU_BASE, |
| .length = S912_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_mmio_t eth_mac_mmios[] = { |
| { |
| .base = ETH_MAC_REG_BASE, |
| .length = ETH_MAC_REG_SIZE, |
| }, |
| }; |
| |
| static const pbus_bti_t eth_mac_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_ETHERNET, |
| }, |
| }; |
| |
| static const pbus_boot_metadata_t eth_mac_metadata[] = { |
| { |
| .zbi_type = DEVICE_METADATA_MAC_ADDRESS, |
| .zbi_extra = 0, |
| }, |
| }; |
| |
| static const eth_dev_metadata_t eth_phy_device = { |
| .vid = PDEV_VID_REALTEK, |
| .pid = PDEV_PID_RTL8211F, |
| .did = PDEV_DID_ETH_PHY, |
| }; |
| |
| static const pbus_metadata_t eth_mac_device_metadata[] = { |
| { |
| .type = DEVICE_METADATA_ETH_PHY_DEVICE, |
| .data_buffer = ð_phy_device, |
| .data_size = sizeof(eth_dev_metadata_t), |
| }, |
| }; |
| |
| static const eth_dev_metadata_t eth_mac_device = { |
| .vid = PDEV_VID_DESIGNWARE, |
| // c++ init error |
| .pid = 0, |
| // c++ init error |
| .did = PDEV_DID_ETH_MAC, |
| }; |
| |
| static const pbus_metadata_t eth_board_metadata[] = { |
| { |
| .type = DEVICE_METADATA_ETH_MAC_DEVICE, |
| .data_buffer = ð_mac_device, |
| .data_size = sizeof(eth_dev_metadata_t), |
| }, |
| }; |
| |
| static pbus_dev_t eth_board_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "ethernet_mac"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_S912; |
| dev.did = PDEV_DID_AMLOGIC_ETH; |
| dev.mmio_list = eth_board_mmios; |
| dev.mmio_count = countof(eth_board_mmios); |
| dev.metadata_list = eth_board_metadata; |
| dev.metadata_count = countof(eth_board_metadata); |
| return dev; |
| }(); |
| |
| static pbus_dev_t dwmac_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "dwmac"; |
| dev.vid = PDEV_VID_DESIGNWARE; |
| dev.did = PDEV_DID_ETH_MAC; |
| dev.mmio_list = eth_mac_mmios; |
| dev.mmio_count = countof(eth_mac_mmios); |
| dev.irq_list = eth_mac_irqs; |
| dev.irq_count = countof(eth_mac_irqs); |
| dev.bti_list = eth_mac_btis; |
| dev.bti_count = countof(eth_mac_btis); |
| dev.metadata_list = eth_mac_device_metadata; |
| dev.metadata_count = countof(eth_mac_device_metadata); |
| dev.boot_metadata_list = eth_mac_metadata; |
| dev.boot_metadata_count = countof(eth_mac_metadata); |
| return dev; |
| }(); |
| |
| static const zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| |
| // Composite binding rules for ethernet board driver. |
| const zx_bind_inst_t i2c_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_I2C), |
| BI_ABORT_IF(NE, BIND_I2C_BUS_ID, 1), |
| BI_MATCH_IF(EQ, BIND_I2C_ADDRESS, 0x18), |
| }; |
| static const zx_bind_inst_t gpio_reset_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_ETH_MAC_RST), |
| }; |
| static const zx_bind_inst_t gpio_int_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_GPIO), |
| BI_MATCH_IF(EQ, BIND_GPIO_PIN, GPIO_ETH_MAC_INTR), |
| }; |
| static const device_fragment_part_t i2c_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(i2c_match), i2c_match}, |
| }; |
| static const device_fragment_part_t gpio_reset_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(gpio_reset_match), gpio_reset_match}, |
| }; |
| static const device_fragment_part_t gpio_int_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(gpio_int_match), gpio_int_match}, |
| }; |
| static const device_fragment_t eth_fragments[] = { |
| {countof(i2c_fragment), i2c_fragment}, |
| {countof(gpio_int_fragment), gpio_int_fragment}, |
| {countof(gpio_reset_fragment), gpio_reset_fragment}, |
| }; |
| |
| // Composite binding rules for dwmac. |
| static const zx_bind_inst_t eth_board_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_ETH_BOARD), |
| BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_DESIGNWARE), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_DID, PDEV_DID_ETH_MAC), |
| }; |
| static const device_fragment_part_t eth_board_fragment[] = { |
| {fbl::count_of(root_match), root_match}, |
| {fbl::count_of(eth_board_match), eth_board_match}, |
| }; |
| static const device_fragment_t dwmac_fragments[] = { |
| {fbl::count_of(eth_board_fragment), eth_board_fragment}, |
| }; |
| |
| zx_status_t Vim::EthInit() { |
| // setup pinmux for RGMII connections |
| gpio_impl_.SetAltFunction(S912_ETH_MDIO, S912_ETH_MDIO_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_MDC, S912_ETH_MDC_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RGMII_RX_CLK, S912_ETH_RGMII_RX_CLK_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RX_DV, S912_ETH_RX_DV_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RXD0, S912_ETH_RXD0_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RXD1, S912_ETH_RXD1_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RXD2, S912_ETH_RXD2_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_RXD3, S912_ETH_RXD3_FN); |
| |
| gpio_impl_.SetAltFunction(S912_ETH_RGMII_TX_CLK, S912_ETH_RGMII_TX_CLK_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_TX_EN, S912_ETH_TX_EN_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_TXD0, S912_ETH_TXD0_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_TXD1, S912_ETH_TXD1_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_TXD2, S912_ETH_TXD2_FN); |
| gpio_impl_.SetAltFunction(S912_ETH_TXD3, S912_ETH_TXD3_FN); |
| |
| // Add a composite device for ethernet board in a new devhost. |
| auto status = pbus_.CompositeDeviceAdd(ð_board_dev, eth_fragments, |
| fbl::count_of(eth_fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| |
| // Add a composite device for dwmac driver in the ethernet board driver's devhost. |
| status = pbus_.CompositeDeviceAdd(&dwmac_dev, dwmac_fragments, fbl::count_of(dwmac_fragments), 1); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: CompositeDeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| |
| return ZX_OK; |
| } |
| } // namespace vim |