/* * Copyright (c) 2021, Idan Horowitz * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include namespace Kernel { #define REG_MAC 0x00 #define REG_MAR4 0x0B #define REG_MAR0 0x0F #define REG_EEE_LED 0x1B #define REG_TXADDR 0x20 #define REG_COMMAND 0x37 #define REG_TXSTART 0x38 #define REG_IMR 0x3C #define REG_ISR 0x3E #define REG_TXCFG 0x40 #define REG_RXCFG 0x44 #define REG_MPC 0x4C #define REG_CFG9346 0x50 #define REG_CONFIG1 0x52 #define REG_CONFIG2 0x53 #define REG_CONFIG3 0x54 #define REG_CONFIG4 0x55 #define REG_CONFIG5 0x56 #define REG_MULTIINTR 0x5C #define REG_PHYACCESS 0x60 #define REG_CSI_DATA 0x64 #define REG_CSI_ADDR 0x68 #define REG_PHYSTATUS 0x6C #define REG_PMCH 0x6F #define REG_ERI_DATA 0x70 #define REG_ERI_ADDR 0x74 #define REG_EPHYACCESS 0x80 #define REG_OCP_DATA 0xB0 #define REG_OCP_ADDR 0xB4 #define REG_GPHY_OCP 0xB8 #define REG_DLLPR 0xD0 #define REG_MCU 0xD3 #define REG_RMS 0xDA #define REG_CPLUS_COMMAND 0xE0 #define REG_INT_MOD 0xE2 #define REG_RXADDR 0xE4 #define REG_MTPS 0xEC #define REG_MISC 0xF0 #define REG_MISC2 0xF2 #define REG_IBCR0 0xF8 #define REG_IBCR2 0xF9 #define REG_IBISR0 0xFB #define COMMAND_TX_ENABLE 0x4 #define COMMAND_RX_ENABLE 0x8 #define COMMAND_RESET 0x10 #define CPLUS_COMMAND_VERIFY_CHECKSUM 0x20 #define CPLUS_COMMAND_VLAN_STRIP 0x40 #define CPLUS_COMMAND_MAC_DBGO_SEL 0x1C #define CPLUS_COMMAND_PACKET_CONTROL_DISABLE 0x80 #define CPLUS_COMMAND_ASF 0x100 #define CPLUS_COMMAND_CXPL_DBG_SEL 0x200 #define CPLUS_COMMAND_FORCE_TXFLOW_ENABLE 0x400 #define CPLUS_COMMAND_FORCE_RXFLOW_ENABLE 0x800 #define CPLUS_COMMAND_FORCE_HALF_DUP 0x1000 #define CPLUS_COMMAND_MAC_DBGO_OE 0x4000 #define CPLUS_COMMAND_ENABLE_BIST 0x8000 #define INT_RXOK 0x1 #define INT_RXERR 0x2 #define INT_TXOK 0x4 #define INT_TXERR 0x8 #define INT_RX_OVERFLOW 0x10 #define INT_LINK_CHANGE 0x20 #define INT_RX_FIFO_OVERFLOW 0x40 #define INT_SYS_ERR 0x8000 #define CFG9346_NONE 0x00 #define CFG9346_EEM0 0x40 #define CFG9346_EEM1 0x80 #define CFG9346_UNLOCK (CFG9346_EEM0 | CFG9346_EEM1) #define TXCFG_AUTO_FIFO 0x80 #define TXCFG_MAX_DMA_UNLIMITED 0x700 #define TXCFG_EMPTY 0x800 #define TXCFG_IFG011 0x3000000 #define RXCFG_READ_MASK 0x3F #define RXCFG_APM 0x2 #define RXCFG_AM 0x4 #define RXCFG_AB 0x8 #define RXCFG_MAX_DMA_UNLIMITED 0x700 #define RXCFG_EARLY_OFF_V2 0x800 #define RXCFG_FTH_NONE 0xE000 #define RXCFG_MULTI_ENABLE 0x4000 #define RXCFG_128INT_ENABLE 0x8000 #define CFG2_CLOCK_REQUEST_ENABLE 0x80 #define CFG3_BEACON_ENABLE 0x1 #define CFG3_READY_TO_L23 0x2 #define CFG5_ASPM_ENABLE 0x1 #define CFG5_SPI_ENABLE 0x8 #define PHY_LINK_STATUS 0x2 #define PHY_FLAG 0x80000000 #define PHY_REG_BMCR 0x00 #define PHY_REG_ANAR 0x4 #define PHY_REG_GBCR 0x9 #define CSI_FLAG 0x80000000 #define CSI_BYTE_ENABLE 0xF000 #define CSI_FUNC_NIC 0x20000 #define CSI_FUNC_NIC2 0x10000 #define CSI_ACCESS_1 0x17000000 #define CSI_ACCESS_2 0x27000000 #define EPHY_FLAG 0x80000000 #define ERI_FLAG 0x80000000 #define ERI_MASK_0001 0x1000 #define ERI_MASK_0011 0x3000 #define ERI_MASK_0100 0x4000 #define ERI_MASK_0101 0x5000 #define ERI_MASK_1111 0xF000 #define ERI_EXGMAC 0x0 #define OCP_FLAG 0x80000000 #define OCP_STANDARD_PHY_BASE 0xa400 #define TXSTART_START 0x40 #define BMCR_RESET 0x8000 #define BMCR_SPEED_0 0x2000 #define BMCR_AUTO_NEGOTIATE 0x1000 #define BMCR_RESTART_AUTO_NEGOTIATE 0x200 #define BMCR_DUPLEX 0x100 #define BMCR_SPEED_1 0x40 #define ADVERTISE_10_HALF 0x20 #define ADVERTISE_10_FULL 0x40 #define ADVERTISE_100_HALF 0x80 #define ADVERTISE_100_FULL 0x100 #define ADVERTISE_PAUSE_CAP 0x400 #define ADVERTISE_PAUSE_ASYM 0x800 #define ADVERTISE_1000_HALF 0x100 #define ADVERTISE_1000_FULL 0x200 #define DLLPR_PFM_ENABLE 0x40 #define DLLPR_TX_10M_PS_ENABLE 0x80 #define MCU_LINK_LIST_READY 0x2 #define MCU_RX_EMPTY 0x10 #define MCU_TX_EMPTY 0x20 #define MCU_NOW_IS_OOB 0x80 #define MTPS_JUMBO 0x3F #define MISC_RXDV_GATE_ENABLE 0x80000 #define MISC_PWM_ENABLE 0x400000 #define MISC2_PFM_D3COLD_ENABLE 0x40 #define TX_BUFFER_SIZE 0x1FF8 #define RX_BUFFER_SIZE 0x1FF8 // FIXME: this should be increased (0x3FFF) UNMAP_AFTER_INIT RefPtr RTL8168NetworkAdapter::try_to_initialize(PCI::Address address) { auto id = PCI::get_id(address); if (id.vendor_id != PCI::VendorID::Realtek) return {}; if (id.device_id != 0x8168) return {}; u8 irq = PCI::get_interrupt_line(address); return adopt_ref_if_nonnull(new (nothrow) RTL8168NetworkAdapter(address, irq)); } UNMAP_AFTER_INIT RTL8168NetworkAdapter::RTL8168NetworkAdapter(PCI::Address address, u8 irq) : PCI::Device(address, irq) , m_io_base(PCI::get_BAR0(pci_address()) & ~1) , m_rx_descriptors_region(MM.allocate_contiguous_kernel_region(page_round_up(sizeof(TXDescriptor) * (number_of_rx_descriptors + 1)), "RTL8168 RX", Region::Access::Read | Region::Access::Write)) , m_tx_descriptors_region(MM.allocate_contiguous_kernel_region(page_round_up(sizeof(RXDescriptor) * (number_of_tx_descriptors + 1)), "RTL8168 TX", Region::Access::Read | Region::Access::Write)) { set_interface_name(address); dmesgln("RTL8168: Found @ {}", pci_address()); dmesgln("RTL8168: I/O port base: {}", m_io_base); identify_chip_version(); dmesgln("RTL8168: Version detected - {} ({}{})", possible_device_name(), (u8)m_version, m_version_uncertain ? "?" : ""); if (m_version == ChipVersion::Unknown || (m_version >= ChipVersion::Version4 && m_version <= ChipVersion::Version16) || m_version >= ChipVersion::Version18) { dmesgln("RTL8168: Aborting initialization! Support for your chip version ({}) is not implemented yet, please open a GH issue and include this message.", (u8)m_version); return; // Each ChipVersion requires a specific implementation of configure_phy and hardware_quirks } initialize(); startup(); } void RTL8168NetworkAdapter::initialize() { // set initial REG_RXCFG auto rx_config = RXCFG_MAX_DMA_UNLIMITED; if (m_version <= ChipVersion::Version3) { rx_config |= RXCFG_FTH_NONE; } else if (m_version <= ChipVersion::Version8 || (m_version >= ChipVersion::Version16 && m_version <= ChipVersion::Version19)) { rx_config |= RXCFG_128INT_ENABLE | RXCFG_MULTI_ENABLE; } else if (m_version >= ChipVersion::Version21) { rx_config |= RXCFG_128INT_ENABLE | RXCFG_MULTI_ENABLE | RXCFG_EARLY_OFF_V2; } else { rx_config |= RXCFG_128INT_ENABLE; } out32(REG_RXCFG, rx_config); // disable interrupts out16(REG_IMR, 0); // initialize hardware if (m_version == ChipVersion::Version23 || m_version == ChipVersion::Version27 || m_version == ChipVersion::Version28) { // disable CMAC out8(REG_IBCR2, in8(REG_IBCR2) & ~1); while ((in32(REG_IBISR0) & 0x2) != 0) ; out8(REG_IBISR0, in8(REG_IBISR0) | 0x20); out8(REG_IBCR0, in8(REG_IBCR0) & ~1); } if (m_version >= ChipVersion::Version21) { m_ocp_base_address = OCP_STANDARD_PHY_BASE; // enable RXDV gate out32(REG_MISC, in32(REG_MISC) | MISC_RXDV_GATE_ENABLE); while ((in32(REG_TXCFG) & TXCFG_EMPTY) == 0) ; while ((in32(REG_MCU) & (MCU_RX_EMPTY | MCU_TX_EMPTY)) == 0) ; out8(REG_COMMAND, in8(REG_COMMAND) & ~(COMMAND_RX_ENABLE | COMMAND_TX_ENABLE)); out8(REG_MCU, in8(REG_MCU) & ~MCU_NOW_IS_OOB); // vendor magic values ??? auto data = ocp_in(0xe8de); data &= ~(1 << 14); ocp_out(0xe8de, data); while ((in32(REG_MCU) & MCU_LINK_LIST_READY) == 0) ; // vendor magic values ??? data = ocp_in(0xe8de); data |= (1 << 15); ocp_out(0xe8de, data); while ((in32(REG_MCU) & MCU_LINK_LIST_READY) == 0) ; } // software reset reset(); // clear interrupts out16(REG_ISR, 0xffff); enable_bus_mastering(pci_address()); read_mac_address(); dmesgln("RTL8168: MAC address: {}", mac_address().to_string()); // notify about driver start if (m_version >= ChipVersion::Version11 && m_version <= ChipVersion::Version13) { // if check_dash // notify TODO(); } else if (m_version == ChipVersion::Version23 || m_version == ChipVersion::Version27 || m_version == ChipVersion::Version28) { // if check_dash // notify TODO(); } } void RTL8168NetworkAdapter::startup() { // initialize descriptors initialize_rx_descriptors(); initialize_tx_descriptors(); // register irq enable_irq(); // version specific phy configuration configure_phy(); // software reset phy phy_out(PHY_REG_BMCR, phy_in(PHY_REG_BMCR) | BMCR_RESET); while ((phy_in(PHY_REG_BMCR) & BMCR_RESET) != 0) ; set_phy_speed(); // set C+ command auto cplus_command = in16(REG_CPLUS_COMMAND) | CPLUS_COMMAND_VERIFY_CHECKSUM | CPLUS_COMMAND_VLAN_STRIP; out16(REG_CPLUS_COMMAND, cplus_command); in16(REG_CPLUS_COMMAND); // C+ Command barrier // power up phy if (m_version >= ChipVersion::Version9 && m_version <= ChipVersion::Version15) { out8(REG_PMCH, in8(REG_PMCH) | 0x80); } else if (m_version >= ChipVersion::Version26) { out8(REG_PMCH, in8(REG_PMCH) | 0xC0); } else if (m_version >= ChipVersion::Version21 && m_version <= ChipVersion::Version23) { out8(REG_PMCH, in8(REG_PMCH) | 0xC0); // vendor magic values ??? eri_update(0x1a8, ERI_MASK_1111, 0xfc000000, 0, ERI_EXGMAC); } // wakeup phy (more vendor magic values) phy_out(0x1F, 0); if (m_version <= ChipVersion::Version13) { phy_out(0x0E, 0); } phy_out(PHY_REG_BMCR, BMCR_AUTO_NEGOTIATE); // send known good phy write (acts as a phy barrier) start_hardware(); // re-enable interrupts auto enabled_interrupts = INT_RXOK | INT_RXERR | INT_TXOK | INT_TXERR | INT_RX_OVERFLOW | INT_LINK_CHANGE | INT_SYS_ERR; if (m_version == ChipVersion::Version1) { enabled_interrupts |= INT_RX_FIFO_OVERFLOW; enabled_interrupts &= ~INT_RX_OVERFLOW; } out16(REG_IMR, enabled_interrupts); // update link status m_link_up = (in8(REG_PHYSTATUS) & PHY_LINK_STATUS) != 0; } void RTL8168NetworkAdapter::configure_phy() { // this method sets a bunch of magic vendor values to the phy configuration registers based on the hardware version switch (m_version) { case ChipVersion::Version1: { configure_phy_b_1(); return; } case ChipVersion::Version2: case ChipVersion::Version3: { configure_phy_b_2(); return; } case ChipVersion::Version4: TODO(); case ChipVersion::Version5: TODO(); case ChipVersion::Version6: TODO(); case ChipVersion::Version7: TODO(); case ChipVersion::Version8: TODO(); case ChipVersion::Version9: TODO(); case ChipVersion::Version10: TODO(); case ChipVersion::Version11: TODO(); case ChipVersion::Version12: TODO(); case ChipVersion::Version13: TODO(); case ChipVersion::Version14: TODO(); case ChipVersion::Version15: TODO(); case ChipVersion::Version16: TODO(); case ChipVersion::Version17: { configure_phy_e_2(); return; } case ChipVersion::Version18: TODO(); case ChipVersion::Version19: TODO(); case ChipVersion::Version20: TODO(); case ChipVersion::Version21: TODO(); case ChipVersion::Version22: TODO(); case ChipVersion::Version23: TODO(); case ChipVersion::Version24: TODO(); case ChipVersion::Version25: TODO(); case ChipVersion::Version26: TODO(); case ChipVersion::Version27: TODO(); case ChipVersion::Version28: TODO(); case ChipVersion::Version29: { configure_phy_h_1(); return; } case ChipVersion::Version30: { configure_phy_h_2(); return; } default: VERIFY_NOT_REACHED(); } } void RTL8168NetworkAdapter::configure_phy_b_1() { constexpr PhyRegister phy_registers[] = { { 0x10, 0xf41b }, { 0x1f, 0 } }; phy_out(0x1f, 0x1); phy_out(0x16, 1 << 0); phy_out_batch(phy_registers, 2); } void RTL8168NetworkAdapter::configure_phy_b_2() { constexpr PhyRegister phy_registers[] = { { 0x1f, 0x1 }, { 0x10, 0xf41b }, { 0x1f, 0 } }; phy_out_batch(phy_registers, 3); } void RTL8168NetworkAdapter::configure_phy_e_2() { // FIXME: linux's driver writes a firmware blob to the device at this point, is this needed? constexpr PhyRegister phy_registers[] = { // Enable delay cap { 0x1f, 0x4 }, { 0x1f, 0x7 }, { 0x1e, 0xac }, { 0x18, 0x6 }, { 0x1f, 0x2 }, { 0x1f, 0 }, { 0x1f, 0 }, // Channel estimation fine tune { 0x1f, 0x3 }, { 0x9, 0xa20f }, { 0x1f, 0 }, { 0x1f, 0 }, // Green Setting { 0x1f, 0x5 }, { 0x5, 0x8b5b }, { 0x6, 0x9222 }, { 0x5, 0x8b6d }, { 0x6, 0x8000 }, { 0x5, 0x8b76 }, { 0x6, 0x8000 }, { 0x1f, 0 }, }; phy_out_batch(phy_registers, 19); // 4 corner performance improvement phy_out(0x1f, 0x5); phy_out(0x5, 0x8b80); phy_update(0x17, 0x6, 0); phy_out(0x1f, 0); // PHY auto speed down phy_out(0x1f, 0x4); phy_out(0x1f, 0x7); phy_out(0x1e, 0x2d); phy_update(0x18, 0x10, 0); phy_out(0x1f, 0x2); phy_out(0x1f, 0); phy_update(0x14, 0x8000, 0); // Improve 10M EEE waveform phy_out(0x1f, 0x5); phy_out(0x5, 0x8b86); phy_update(0x6, 0x1, 0); phy_out(0x1f, 0); // Improve 2-pair detection performance phy_out(0x1f, 0x5); phy_out(0x5, 0x8b85); phy_update(0x6, 0x4000, 0); phy_out(0x1f, 0); // EEE Setting eri_update(0x1b0, ERI_MASK_1111, 0, 0x3, ERI_EXGMAC); phy_out(0x1f, 0x5); phy_out(0x5, 0x8b85); phy_update(0x6, 0, 0x2000); phy_out(0x1f, 0x4); phy_out(0x1f, 0x7); phy_out(0x1e, 0x20); phy_update(0x15, 0, 0x100); phy_out(0x1f, 0x2); phy_out(0x1f, 0); phy_out(0xd, 0x7); phy_out(0xe, 0x3c); phy_out(0xd, 0x4007); phy_out(0xe, 0); phy_out(0xd, 0); // Green feature phy_out(0x1f, 0x3); phy_update(0x19, 0, 0x1); phy_update(0x10, 0, 0x400); phy_out(0x1f, 0); // Broken BIOS workaround: feed GigaMAC registers with MAC address. rar_exgmac_set(); } void RTL8168NetworkAdapter::configure_phy_h_1() { // FIXME: linux's driver writes a firmware blob to the device at this point, is this needed? // CHN EST parameters adjust - giga master phy_out(0x1f, 0x0a43); phy_out(0x13, 0x809b); phy_update(0x14, 0x8000, 0xf800); phy_out(0x13, 0x80a2); phy_update(0x14, 0x8000, 0xff00); phy_out(0x13, 0x80a4); phy_update(0x14, 0x8500, 0xff00); phy_out(0x13, 0x809c); phy_update(0x14, 0xbd00, 0xff00); phy_out(0x1f, 0); // CHN EST parameters adjust - giga slave phy_out(0x1f, 0x0a43); phy_out(0x13, 0x80ad); phy_update(0x14, 0x7000, 0xf800); phy_out(0x13, 0x80b4); phy_update(0x14, 0x5000, 0xff00); phy_out(0x13, 0x80ac); phy_update(0x14, 0x4000, 0xff00); phy_out(0x1f, 0); // CHN EST parameters adjust - fnet phy_out(0x1f, 0x0a43); phy_out(0x13, 0x808e); phy_update(0x14, 0x1200, 0xff00); phy_out(0x13, 0x8090); phy_update(0x14, 0xe500, 0xff00); phy_out(0x13, 0x8092); phy_update(0x14, 0x9f00, 0xff00); phy_out(0x1f, 0); // enable R-tune & PGA-retune function u16 dout_tapbin = 0; phy_out(0x1f, 0x0a46); auto data = phy_in(0x13); data &= 3; data <<= 2; dout_tapbin |= data; data = phy_in(0x12); data &= 0xc000; data >>= 14; dout_tapbin |= data; dout_tapbin = ~(dout_tapbin ^ 0x8); dout_tapbin <<= 12; dout_tapbin &= 0xf000; phy_out(0x1f, 0x0a43); phy_out(0x13, 0x827a); phy_update(0x14, dout_tapbin, 0xf000); phy_out(0x13, 0x827b); phy_update(0x14, dout_tapbin, 0xf000); phy_out(0x13, 0x827c); phy_update(0x14, dout_tapbin, 0xf000); phy_out(0x13, 0x827d); phy_update(0x14, dout_tapbin, 0xf000); phy_out(0x1f, 0x0a43); phy_out(0x13, 0x811); phy_update(0x14, 0x800, 0); phy_out(0x1f, 0x0a42); phy_update(0x16, 0x2, 0); phy_out(0x1f, 0); // enable GPHY 10M phy_out(0x1f, 0x0a44); phy_update(0x11, 0x800, 0); phy_out(0x1f, 0); // SAR ADC performance phy_out(0x1f, 0x0bca); phy_update(0x17, 0x4000, 0x3000); phy_out(0x1f, 0); phy_out(0x1f, 0x0a43); phy_out(0x13, 0x803f); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x8047); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x804f); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x8057); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x805f); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x8067); phy_update(0x14, 0, 0x3000); phy_out(0x13, 0x806f); phy_update(0x14, 0, 0x3000); phy_out(0x1f, 0); // disable phy pfm mode phy_out(0x1f, 0x0a44); phy_update(0x11, 0, 0x80); phy_out(0x1f, 0); // Check ALDPS bit, disable it if enabled phy_out(0x1f, 0x0a43); if (phy_in(0x10) & 0x4) phy_update(0x10, 0, 0x4); phy_out(0x1f, 0); } void RTL8168NetworkAdapter::configure_phy_h_2() { // FIXME: linux's driver writes a firmware blob to the device at this point, is this needed? // CHIN EST parameter update phy_out(0x1f, 0x0a43); phy_out(0x13, 0x808a); phy_update(0x14, 0x000a, 0x3f); phy_out(0x1f, 0); // enable R-tune & PGA-retune function phy_out(0x1f, 0x0a43); phy_out(0x13, 0x811); phy_update(0x14, 0x800, 0); phy_out(0x1f, 0x0a42); phy_update(0x16, 0x2, 0); phy_out(0x1f, 0); // enable GPHY 10M phy_out(0x1f, 0x0a44); phy_update(0x11, 0x800, 0); phy_out(0x1f, 0); ocp_out(0xdd02, 0x807d); auto data = ocp_in(0xdd02); u16 ioffset_p3 = ((data & 0x80) >> 7); ioffset_p3 <<= 3; data = ocp_in(0xdd00); ioffset_p3 |= ((data & (0xe000)) >> 13); u16 ioffset_p2 = ((data & (0x1e00)) >> 9); u16 ioffset_p1 = ((data & (0x1e0)) >> 5); u16 ioffset_p0 = ((data & 0x10) >> 4); ioffset_p0 <<= 3; ioffset_p0 |= (data & (0x7)); data = (ioffset_p3 << 12) | (ioffset_p2 << 8) | (ioffset_p1 << 4) | (ioffset_p0); if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) || (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) { phy_out(0x1f, 0x0bcf); phy_out(0x16, data); phy_out(0x1f, 0); } // Modify rlen (TX LPF corner frequency) level phy_out(0x1f, 0x0bcd); data = phy_in(0x16); data &= 0x000f; u16 rlen = 0; if (data > 3) rlen = data - 3; data = rlen | (rlen << 4) | (rlen << 8) | (rlen << 12); phy_out(0x17, data); phy_out(0x1f, 0x0bcd); phy_out(0x1f, 0); // disable phy pfm mode phy_out(0x1f, 0x0a44); phy_update(0x11, 0, 0x80); phy_out(0x1f, 0); // Check ALDPS bit, disable it if enabled phy_out(0x1f, 0x0a43); if (phy_in(0x10) & 0x4) phy_update(0x10, 0, 0x4); phy_out(0x1f, 0); } void RTL8168NetworkAdapter::rar_exgmac_set() { auto mac = mac_address(); const u16 w[] = { (u16)(mac[0] | (mac[1] << 8)), (u16)(mac[2] | (mac[3] << 8)), (u16)(mac[4] | (mac[5] << 8)), }; const ExgMacRegister exg_mac_registers[] = { { 0xe0, ERI_MASK_1111, (u32)(w[0] | (w[1] << 16)) }, { 0xe4, ERI_MASK_1111, (u32)w[2] }, { 0xf0, ERI_MASK_1111, (u32)(w[0] << 16) }, { 0xf4, ERI_MASK_1111, (u32)(w[1] | (w[2] << 16)) }, }; exgmac_out_batch(exg_mac_registers, 4); } void RTL8168NetworkAdapter::start_hardware() { // unlock config registers out8(REG_CFG9346, CFG9346_UNLOCK); // configure the maximum transmit packet size out16(REG_MTPS, MTPS_JUMBO); // configure the maximum receive packet size out16(REG_RMS, RX_BUFFER_SIZE); auto cplus_command = in16(REG_CPLUS_COMMAND); cplus_command |= CPLUS_COMMAND_PACKET_CONTROL_DISABLE; // undocumented magic value??? cplus_command |= 0x1; out16(REG_CPLUS_COMMAND, cplus_command); // setup interrupt moderation, magic from vendor (Linux Driver uses 0x5151, *BSD Driver uses 0x5100, RTL Driver use 0x5f51???) out16(REG_INT_MOD, 0x5151); // point to tx descriptors out64(REG_TXADDR, m_tx_descriptors_region->physical_page(0)->paddr().get()); // point to rx descriptors out64(REG_RXADDR, m_rx_descriptors_region->physical_page(0)->paddr().get()); // configure tx: use the maximum dma transfer size, default interframe gap time. out32(REG_TXCFG, TXCFG_IFG011 | TXCFG_MAX_DMA_UNLIMITED); // version specific quirks and tweaks hardware_quirks(); in8(REG_IMR); // known good read (acts as a barrier) // relock config registers out8(REG_CFG9346, CFG9346_NONE); // enable rx/tx out8(REG_COMMAND, COMMAND_RX_ENABLE | COMMAND_TX_ENABLE); // turn on all multicast out32(REG_MAR0, 0xFFFFFFFF); out32(REG_MAR4, 0xFFFFFFFF); // configure rx mode: accept physical (MAC) match, multicast, and broadcast out32(REG_RXCFG, (in32(REG_RXCFG) & ~RXCFG_READ_MASK) | RXCFG_APM | RXCFG_AM | RXCFG_AB); // disable early-rx interrupts out16(REG_MULTIINTR, in16(REG_MULTIINTR) & 0xF000); } void RTL8168NetworkAdapter::hardware_quirks() { switch (m_version) { case ChipVersion::Version1: hardware_quirks_b_1(); return; case ChipVersion::Version2: case ChipVersion::Version3: hardware_quirks_b_2(); return; case ChipVersion::Version4: TODO(); case ChipVersion::Version5: TODO(); case ChipVersion::Version6: TODO(); case ChipVersion::Version7: TODO(); case ChipVersion::Version8: TODO(); case ChipVersion::Version9: TODO(); case ChipVersion::Version10: TODO(); case ChipVersion::Version11: TODO(); case ChipVersion::Version12: TODO(); case ChipVersion::Version13: TODO(); case ChipVersion::Version14: TODO(); case ChipVersion::Version15: TODO(); case ChipVersion::Version16: TODO(); case ChipVersion::Version17: hardware_quirks_e_2(); return; case ChipVersion::Version18: TODO(); case ChipVersion::Version19: TODO(); case ChipVersion::Version20: TODO(); case ChipVersion::Version21: TODO(); case ChipVersion::Version22: TODO(); case ChipVersion::Version23: TODO(); case ChipVersion::Version24: TODO(); case ChipVersion::Version25: TODO(); case ChipVersion::Version26: TODO(); case ChipVersion::Version27: TODO(); case ChipVersion::Version28: TODO(); case ChipVersion::Version29: case ChipVersion::Version30: hardware_quirks_h(); return; default: VERIFY_NOT_REACHED(); } } void RTL8168NetworkAdapter::hardware_quirks_b_1() { // disable checked reserved bits out8(REG_CONFIG3, in8(REG_CONFIG3) & ~CFG3_BEACON_ENABLE); constexpr u16 version1_cplus_quirks = CPLUS_COMMAND_ENABLE_BIST | CPLUS_COMMAND_MAC_DBGO_OE | CPLUS_COMMAND_FORCE_HALF_DUP | CPLUS_COMMAND_FORCE_RXFLOW_ENABLE | CPLUS_COMMAND_FORCE_TXFLOW_ENABLE | CPLUS_COMMAND_CXPL_DBG_SEL | CPLUS_COMMAND_ASF | CPLUS_COMMAND_PACKET_CONTROL_DISABLE | CPLUS_COMMAND_MAC_DBGO_SEL; out16(REG_CPLUS_COMMAND, in16(REG_CPLUS_COMMAND) & ~version1_cplus_quirks); } void RTL8168NetworkAdapter::hardware_quirks_b_2() { hardware_quirks_b_1(); // configure the maximum transmit packet size (again) out16(REG_MTPS, MTPS_JUMBO); // disable checked reserved bits out8(REG_CONFIG4, in8(REG_CONFIG4) & ~1); } void RTL8168NetworkAdapter::hardware_quirks_e_2() { constexpr EPhyUpdate ephy_info[] = { { 0x9, 0, 0x80 }, { 0x19, 0, 0x224 }, }; csi_enable(CSI_ACCESS_1); extended_phy_initialize(ephy_info, 2); // FIXME: MTU performance tweak eri_out(0xc0, ERI_MASK_0011, 0, ERI_EXGMAC); eri_out(0xb8, ERI_MASK_0011, 0, ERI_EXGMAC); eri_out(0xc8, ERI_MASK_1111, 0x100002, ERI_EXGMAC); eri_out(0xe8, ERI_MASK_1111, 0x100006, ERI_EXGMAC); eri_out(0xcc, ERI_MASK_1111, 0x50, ERI_EXGMAC); eri_out(0xd0, ERI_MASK_1111, 0x7ff0060, ERI_EXGMAC); eri_update(0x1b0, ERI_MASK_0001, 0x10, 0, ERI_EXGMAC); eri_update(0xd4, ERI_MASK_0011, 0xc00, 0xff00, ERI_EXGMAC); // Set early TX out8(REG_MTPS, 0x27); // FIXME: Disable PCIe clock request // enable tx auto fifo out32(REG_TXCFG, in32(REG_TXCFG) | TXCFG_AUTO_FIFO); out8(REG_MCU, in8(REG_MCU) & ~MCU_NOW_IS_OOB); // Set EEE LED frequency out8(REG_EEE_LED, in8(REG_EEE_LED) & ~0x7); out8(REG_DLLPR, in8(REG_DLLPR) | DLLPR_PFM_ENABLE); out32(REG_MISC, in32(REG_MISC) | MISC_PWM_ENABLE); out8(REG_CONFIG5, in8(REG_CONFIG5) & ~CFG5_SPI_ENABLE); } void RTL8168NetworkAdapter::hardware_quirks_h() { // disable aspm and clock request before accessing extended phy out8(REG_CONFIG2, in8(REG_CONFIG2) & ~CFG2_CLOCK_REQUEST_ENABLE); out8(REG_CONFIG5, in8(REG_CONFIG5) & ~CFG5_ASPM_ENABLE); // initialize extended phy constexpr EPhyUpdate ephy_info[] = { { 0x1e, 0x800, 0x1 }, { 0x1d, 0, 0x800 }, { 0x5, 0xffff, 0x2089 }, { 0x6, 0xffff, 0x5881 }, { 0x4, 0xffff, 0x154a }, { 0x1, 0xffff, 0x68b } }; extended_phy_initialize(ephy_info, 6); // enable tx auto fifo out32(REG_TXCFG, in32(REG_TXCFG) | TXCFG_AUTO_FIFO); // vendor magic values ??? eri_out(0xC8, ERI_MASK_0101, 0x80002, ERI_EXGMAC); eri_out(0xCC, ERI_MASK_0001, 0x38, ERI_EXGMAC); eri_out(0xD0, ERI_MASK_0001, 0x48, ERI_EXGMAC); eri_out(0xE8, ERI_MASK_1111, 0x100006, ERI_EXGMAC); csi_enable(CSI_ACCESS_1); // vendor magic values ??? eri_update(0xDC, ERI_MASK_0001, 0x0, 0x1, ERI_EXGMAC); eri_update(0xDC, ERI_MASK_0001, 0x1, 0x0, ERI_EXGMAC); eri_update(0xDC, ERI_MASK_1111, 0x10, 0x0, ERI_EXGMAC); eri_update(0xD4, ERI_MASK_1111, 0x1F00, 0x0, ERI_EXGMAC); eri_out(0x5F0, ERI_MASK_0011, 0x4F87, ERI_EXGMAC); // disable rxdv gate out32(REG_MISC, in32(REG_MISC) & ~MISC_RXDV_GATE_ENABLE); // set early TX out8(REG_MTPS, 0x27); // vendor magic values ??? eri_out(0xC0, ERI_MASK_0011, 0, ERI_EXGMAC); eri_out(0xB8, ERI_MASK_0011, 0, ERI_EXGMAC); // Set EEE LED frequency out8(REG_EEE_LED, in8(REG_EEE_LED) & ~0x7); out8(REG_DLLPR, in8(REG_DLLPR) & ~DLLPR_PFM_ENABLE); out8(REG_MISC2, in8(REG_MISC2) & ~MISC2_PFM_D3COLD_ENABLE); out8(REG_DLLPR, in8(REG_DLLPR) & ~DLLPR_TX_10M_PS_ENABLE); // vendor magic values ??? eri_update(0x1B0, ERI_MASK_0011, 0, 0x1000, ERI_EXGMAC); // disable l2l3 state out8(REG_CONFIG3, in8(REG_CONFIG3) & ~CFG3_READY_TO_L23); // blackmagic code taken from linux's r8169 phy_out(0x1F, 0x0C42); auto rg_saw_count = (phy_in(0x13) & 0x3FFF); phy_out(0x1F, 0); if (rg_saw_count > 0) { u16 sw_count_1ms_ini = 16000000 / rg_saw_count; sw_count_1ms_ini &= 0x0fff; u32 data = ocp_in(0xd412); data &= ~0x0fff; data |= sw_count_1ms_ini; ocp_out(0xd412, data); } u32 data = ocp_in(0xe056); data &= ~0xf0; data |= 0x70; ocp_out(0xe056, data); data = ocp_in(0xe052); data &= ~0x6000; data |= 0x8008; ocp_out(0xe052, data); data = ocp_in(0xe0d6); data &= ~0x1ff; data |= 0x17f; ocp_out(0xe0d6, data); data = ocp_in(0xd420); data &= ~0x0fff; data |= 0x47f; ocp_out(0xd420, data); ocp_out(0xe63e, 0x1); ocp_out(0xe63e, 0); ocp_out(0xc094, 0); ocp_out(0xc09e, 0); } void RTL8168NetworkAdapter::set_phy_speed() { // wakeup phy phy_out(0x1F, 0); // advertise all available features to get best connection possible auto auto_negotiation_advertisement = phy_in(PHY_REG_ANAR); auto_negotiation_advertisement |= ADVERTISE_10_HALF; // 10 mbit half duplex auto_negotiation_advertisement |= ADVERTISE_10_FULL; // 10 mbit full duplex auto_negotiation_advertisement |= ADVERTISE_100_HALF; // 100 mbit half duplex auto_negotiation_advertisement |= ADVERTISE_100_FULL; // 100 mbit full duplex auto_negotiation_advertisement |= ADVERTISE_PAUSE_CAP; // capable of pause flow control auto_negotiation_advertisement |= ADVERTISE_PAUSE_ASYM; // capable of asymmetric pause flow control phy_out(PHY_REG_ANAR, auto_negotiation_advertisement); auto gigabyte_control = phy_in(PHY_REG_GBCR); gigabyte_control |= ADVERTISE_1000_HALF; // 1000 mbit half dulpex gigabyte_control |= ADVERTISE_1000_FULL; // 1000 mbit full duplex phy_out(PHY_REG_GBCR, gigabyte_control); // restart auto-negotation with set advertisements phy_out(PHY_REG_BMCR, BMCR_AUTO_NEGOTIATE | BMCR_RESTART_AUTO_NEGOTIATE); } UNMAP_AFTER_INIT void RTL8168NetworkAdapter::initialize_rx_descriptors() { auto* rx_descriptors = (RXDescriptor*)m_rx_descriptors_region->vaddr().as_ptr(); for (size_t i = 0; i < number_of_rx_descriptors; ++i) { auto& descriptor = rx_descriptors[i]; auto region = MM.allocate_contiguous_kernel_region(page_round_up(RX_BUFFER_SIZE), "RTL8168 RX buffer", Region::Access::Read | Region::Access::Write); VERIFY(region); memset(region->vaddr().as_ptr(), 0, region->size()); // MM already zeros out newly allocated pages, but we do it again in case that ever changes m_rx_buffers_regions.append(region.release_nonnull()); descriptor.buffer_size = RX_BUFFER_SIZE; descriptor.flags = RXDescriptor::Ownership; // let the NIC know it can use this descriptor auto physical_address = m_rx_buffers_regions[i].physical_page(0)->paddr().get(); descriptor.buffer_address_low = physical_address & 0xFFFFFFFF; descriptor.buffer_address_high = (u64)physical_address >> 32; // cast to prevent shift count >= with of type warnings in 32 bit systems } rx_descriptors[number_of_rx_descriptors - 1].flags = rx_descriptors[number_of_rx_descriptors - 1].flags | RXDescriptor::EndOfRing; } UNMAP_AFTER_INIT void RTL8168NetworkAdapter::initialize_tx_descriptors() { auto* tx_descriptors = (TXDescriptor*)m_tx_descriptors_region->vaddr().as_ptr(); for (size_t i = 0; i < number_of_tx_descriptors; ++i) { auto& descriptor = tx_descriptors[i]; auto region = MM.allocate_contiguous_kernel_region(page_round_up(TX_BUFFER_SIZE), "RTL8168 TX buffer", Region::Access::Read | Region::Access::Write); VERIFY(region); memset(region->vaddr().as_ptr(), 0, region->size()); // MM already zeros out newly allocated pages, but we do it again in case that ever changes m_tx_buffers_regions.append(region.release_nonnull()); descriptor.flags = TXDescriptor::FirstSegment | TXDescriptor::LastSegment; auto physical_address = m_tx_buffers_regions[i].physical_page(0)->paddr().get(); descriptor.buffer_address_low = physical_address & 0xFFFFFFFF; descriptor.buffer_address_high = (u64)physical_address >> 32; } tx_descriptors[number_of_tx_descriptors - 1].flags = tx_descriptors[number_of_tx_descriptors - 1].flags | TXDescriptor::EndOfRing; } UNMAP_AFTER_INIT RTL8168NetworkAdapter::~RTL8168NetworkAdapter() { } bool RTL8168NetworkAdapter::handle_irq(const RegisterState&) { bool was_handled = false; for (;;) { int status = in16(REG_ISR); out16(REG_ISR, status); m_entropy_source.add_random_event(status); dbgln_if(RTL8168_DEBUG, "RTL8168: handle_irq status={:#04x}", status); if ((status & (INT_RXOK | INT_RXERR | INT_TXOK | INT_TXERR | INT_RX_OVERFLOW | INT_LINK_CHANGE | INT_RX_FIFO_OVERFLOW | INT_SYS_ERR)) == 0) break; was_handled = true; if (status & INT_RXOK) { dbgln_if(RTL8168_DEBUG, "RTL8168: RX ready"); receive(); } if (status & INT_RXERR) { dbgln_if(RTL8168_DEBUG, "RTL8168: RX error - invalid packet"); } if (status & INT_TXOK) { dbgln_if(RTL8168_DEBUG, "RTL8168: TX complete"); m_wait_queue.wake_one(); } if (status & INT_TXERR) { dbgln_if(RTL8168_DEBUG, "RTL8168: TX error - invalid packet"); } if (status & INT_RX_OVERFLOW) { dmesgln("RTL8168: RX descriptor unavailable (packet lost)"); receive(); } if (status & INT_LINK_CHANGE) { m_link_up = (in8(REG_PHYSTATUS) & PHY_LINK_STATUS) != 0; dmesgln("RTL8168: Link status changed up={}", m_link_up); } if (status & INT_RX_FIFO_OVERFLOW) { dmesgln("RTL8168: RX FIFO overflow"); receive(); } if (status & INT_SYS_ERR) { dmesgln("RTL8168: Fatal system error"); } } return was_handled; } void RTL8168NetworkAdapter::reset() { out8(REG_COMMAND, COMMAND_RESET); while ((in8(REG_COMMAND) & COMMAND_RESET) != 0) ; } UNMAP_AFTER_INIT void RTL8168NetworkAdapter::read_mac_address() { MACAddress mac {}; for (int i = 0; i < 6; i++) mac[i] = in8(REG_MAC + i); set_mac_address(mac); } void RTL8168NetworkAdapter::send_raw(ReadonlyBytes payload) { dbgln_if(RTL8168_DEBUG, "RTL8168: send_raw length={}", payload.size()); if (payload.size() > TX_BUFFER_SIZE) { dmesgln("RTL8168: Packet was too big; discarding"); return; } auto* tx_descriptors = (TXDescriptor*)m_tx_descriptors_region->vaddr().as_ptr(); auto& free_descriptor = tx_descriptors[m_tx_free_index]; if ((free_descriptor.flags & TXDescriptor::Ownership) != 0) { dbgln_if(RTL8168_DEBUG, "RTL8168: No free TX buffers, sleeping until one is available"); m_wait_queue.wait_forever("RTL8168NetworkAdapter"); return send_raw(payload); // if we woke up a TX descriptor is guaranteed to be available, so this should never recurse more than once // but this can probably be done more cleanly } dbgln_if(RTL8168_DEBUG, "RTL8168: Chose descriptor {}", m_tx_free_index); memcpy(m_tx_buffers_regions[m_tx_free_index].vaddr().as_ptr(), payload.data(), payload.size()); m_tx_free_index = (m_tx_free_index + 1) % number_of_tx_descriptors; free_descriptor.frame_length = payload.size() & 0x3FFF; free_descriptor.flags = free_descriptor.flags | TXDescriptor::Ownership; out8(REG_TXSTART, TXSTART_START); // FIXME: this shouldnt be done so often, we should look into doing this using the watchdog timer } void RTL8168NetworkAdapter::receive() { auto* rx_descriptors = (RXDescriptor*)m_rx_descriptors_region->vaddr().as_ptr(); for (u16 i = 0; i < number_of_rx_descriptors; ++i) { auto descriptor_index = (m_rx_free_index + i) % number_of_rx_descriptors; auto& descriptor = rx_descriptors[descriptor_index]; if ((descriptor.flags & RXDescriptor::Ownership) != 0) { m_rx_free_index = descriptor_index; break; } u16 flags = descriptor.flags; u16 length = descriptor.buffer_size & 0x3FFF; dbgln_if(RTL8168_DEBUG, "RTL8168: receive, flags={:#04x}, length={}, descriptor={}", flags, length, descriptor_index); if (length > RX_BUFFER_SIZE || (flags & RXDescriptor::ErrorSummary) != 0) { dmesgln("RTL8168: receive got bad packet, flags={:#04x}, length={}", flags, length); } else if ((flags & RXDescriptor::FirstSegment) != 0 && (flags & RXDescriptor::LastSegment) == 0) { VERIFY_NOT_REACHED(); // Our maximum received packet size is smaller than the descriptor buffer size, so packets should never be segmented // if this happens on a real NIC it might not respect that, and we will have to support packet segmentation } else { did_receive({ m_rx_buffers_regions[descriptor_index].vaddr().as_ptr(), length }); } descriptor.buffer_size = RX_BUFFER_SIZE; flags = RXDescriptor::Ownership; if (descriptor_index == number_of_rx_descriptors - 1) flags |= RXDescriptor::EndOfRing; descriptor.flags = flags; // let the NIC know it can use this descriptor again } } void RTL8168NetworkAdapter::out8(u16 address, u8 data) { m_io_base.offset(address).out(data); } void RTL8168NetworkAdapter::out16(u16 address, u16 data) { m_io_base.offset(address).out(data); } void RTL8168NetworkAdapter::out32(u16 address, u32 data) { m_io_base.offset(address).out(data); } void RTL8168NetworkAdapter::out64(u16 address, u64 data) { // ORDER MATTERS: Some NICs require the high part of the address to be written first m_io_base.offset(address + 4).out((u32)(data >> 32)); m_io_base.offset(address).out((u32)(data & 0xFFFFFFFF)); } u8 RTL8168NetworkAdapter::in8(u16 address) { return m_io_base.offset(address).in(); } u16 RTL8168NetworkAdapter::in16(u16 address) { return m_io_base.offset(address).in(); } u32 RTL8168NetworkAdapter::in32(u16 address) { return m_io_base.offset(address).in(); } void RTL8168NetworkAdapter::phy_out(u8 address, u16 data) { if (m_version == ChipVersion::Version11) { TODO(); } else if (m_version == ChipVersion::Version12 || m_version == ChipVersion::Version13) { TODO(); } else if (m_version >= ChipVersion::Version21) { if (address == 0x1F) { m_ocp_base_address = data ? data << 4 : OCP_STANDARD_PHY_BASE; return; } if (m_ocp_base_address != OCP_STANDARD_PHY_BASE) address -= 0x10; ocp_phy_out(m_ocp_base_address + address * 2, data); } else { VERIFY((address & 0xE0) == 0); // register address is only 5 bit out32(REG_PHYACCESS, PHY_FLAG | (address & 0x1F) << 16 | (data & 0xFFFF)); while ((in32(REG_PHYACCESS) & PHY_FLAG) != 0) ; } } u16 RTL8168NetworkAdapter::phy_in(u8 address) { if (m_version == ChipVersion::Version11) { TODO(); } else if (m_version == ChipVersion::Version12 || m_version == ChipVersion::Version13) { TODO(); } else if (m_version >= ChipVersion::Version21) { if (m_ocp_base_address != OCP_STANDARD_PHY_BASE) address -= 0x10; return ocp_phy_in(m_ocp_base_address + address * 2); } else { VERIFY((address & 0xE0) == 0); // register address is only 5 bit out32(REG_PHYACCESS, (address & 0x1F) << 16); while ((in32(REG_PHYACCESS) & PHY_FLAG) == 0) ; return in32(REG_PHYACCESS) & 0xFFFF; } } void RTL8168NetworkAdapter::phy_update(u32 address, u32 set, u32 clear) { auto value = phy_in(address); phy_out(address, (value & ~clear) | set); } void RTL8168NetworkAdapter::phy_out_batch(const PhyRegister phy_registers[], size_t length) { for (size_t i = 0; i < length; i++) { phy_out(phy_registers[i].address, phy_registers[i].data); } } void RTL8168NetworkAdapter::extended_phy_out(u8 address, u16 data) { VERIFY((address & 0xE0) == 0); // register address is only 5 bit out32(REG_EPHYACCESS, EPHY_FLAG | (address & 0x1F) << 16 | (data & 0xFFFF)); while ((in32(REG_EPHYACCESS) & EPHY_FLAG) != 0) ; } u16 RTL8168NetworkAdapter::extended_phy_in(u8 address) { VERIFY((address & 0xE0) == 0); // register address is only 5 bit out32(REG_EPHYACCESS, (address & 0x1F) << 16); while ((in32(REG_EPHYACCESS) & EPHY_FLAG) == 0) ; return in32(REG_EPHYACCESS) & 0xFFFF; } void RTL8168NetworkAdapter::extended_phy_initialize(const EPhyUpdate ephy_info[], size_t length) { for (size_t i = 0; i < length; i++) { auto updated_value = (extended_phy_in(ephy_info[i].offset) & ~ephy_info[i].clear) | ephy_info[i].set; extended_phy_out(ephy_info[i].offset, updated_value); } } void RTL8168NetworkAdapter::eri_out(u32 address, u32 mask, u32 data, u32 type) { out32(REG_ERI_DATA, data); out32(REG_ERI_ADDR, ERI_FLAG | type | mask | address); while ((in32(REG_ERI_ADDR) & ERI_FLAG) != 0) ; } u32 RTL8168NetworkAdapter::eri_in(u32 address, u32 type) { out32(REG_ERI_ADDR, type | ERI_MASK_1111 | address); while ((in32(REG_ERI_ADDR) & ERI_FLAG) == 0) ; return in32(REG_ERI_DATA); } void RTL8168NetworkAdapter::eri_update(u32 address, u32 mask, u32 set, u32 clear, u32 type) { auto value = eri_in(address, type); eri_out(address, mask, (value & ~clear) | set, type); } void RTL8168NetworkAdapter::exgmac_out_batch(const ExgMacRegister exgmac_registers[], size_t length) { for (size_t i = 0; i < length; i++) { eri_out(exgmac_registers[i].address, exgmac_registers[i].mask, exgmac_registers[i].value, ERI_EXGMAC); } } void RTL8168NetworkAdapter::csi_out(u32 address, u32 data) { VERIFY(m_version >= ChipVersion::Version4); out32(REG_CSI_DATA, data); auto modifier = CSI_BYTE_ENABLE; if (m_version == ChipVersion::Version20) { modifier |= CSI_FUNC_NIC; } else if (m_version == ChipVersion::Version26) { modifier |= CSI_FUNC_NIC2; } out32(REG_CSI_ADDR, CSI_FLAG | (address & 0xFFF) | modifier); while ((in32(REG_CSI_ADDR) & CSI_FLAG) != 0) ; } u32 RTL8168NetworkAdapter::csi_in(u32 address) { VERIFY(m_version >= ChipVersion::Version4); auto modifier = CSI_BYTE_ENABLE; if (m_version == ChipVersion::Version20) { modifier |= CSI_FUNC_NIC; } else if (m_version == ChipVersion::Version26) { modifier |= CSI_FUNC_NIC2; } out32(REG_CSI_ADDR, (address & 0xFFF) | modifier); while ((in32(REG_CSI_ADDR) & CSI_FLAG) == 0) ; return in32(REG_CSI_DATA) & 0xFFFF; } void RTL8168NetworkAdapter::csi_enable(u32 bits) { auto csi = csi_in(0x70c) & 0x00ffffff; csi_out(0x70c, csi | bits); } void RTL8168NetworkAdapter::ocp_out(u32 address, u32 data) { VERIFY((address & 0xFFFF0001) == 0); out32(REG_OCP_DATA, OCP_FLAG | address << 15 | data); } u32 RTL8168NetworkAdapter::ocp_in(u32 address) { VERIFY((address & 0xFFFF0001) == 0); out32(REG_OCP_DATA, address << 15); return in32(REG_OCP_DATA); } void RTL8168NetworkAdapter::ocp_phy_out(u32 address, u32 data) { VERIFY((address & 0xFFFF0001) == 0); out32(REG_GPHY_OCP, OCP_FLAG | (address << 15) | data); while ((in32(REG_GPHY_OCP) & OCP_FLAG) != 0) ; } u16 RTL8168NetworkAdapter::ocp_phy_in(u32 address) { VERIFY((address & 0xFFFF0001) == 0); out32(REG_GPHY_OCP, address << 15); while ((in32(REG_GPHY_OCP) & OCP_FLAG) == 0) ; return in32(REG_GPHY_OCP) & 0xFFFF; } void RTL8168NetworkAdapter::identify_chip_version() { auto transmit_config = in32(REG_TXCFG); auto registers = transmit_config & 0x7c800000; auto hw_version_id = transmit_config & 0x700000; m_version_uncertain = false; switch (registers) { case 0x30000000: m_version = ChipVersion::Version1; break; case 0x38000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version2; } else if (hw_version_id == 0x500000) { m_version = ChipVersion::Version3; } else { m_version = ChipVersion::Version3; m_version_uncertain = true; } break; case 0x3C000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version4; } else if (hw_version_id == 0x200000) { m_version = ChipVersion::Version5; } else if (hw_version_id == 0x400000) { m_version = ChipVersion::Version6; } else { m_version = ChipVersion::Version6; m_version_uncertain = true; } break; case 0x3C800000: if (hw_version_id == 0x100000) { m_version = ChipVersion::Version7; } else if (hw_version_id == 0x300000) { m_version = ChipVersion::Version8; } else { m_version = ChipVersion::Version8; m_version_uncertain = true; } break; case 0x28000000: if (hw_version_id == 0x100000) { m_version = ChipVersion::Version9; } else if (hw_version_id == 0x300000) { m_version = ChipVersion::Version10; } else { m_version = ChipVersion::Version10; m_version_uncertain = true; } break; case 0x28800000: if (hw_version_id == 00000) { m_version = ChipVersion::Version11; } else if (hw_version_id == 0x200000) { m_version = ChipVersion::Version12; } else if (hw_version_id == 0x300000) { m_version = ChipVersion::Version13; } else { m_version = ChipVersion::Version13; m_version_uncertain = true; } break; case 0x2C000000: if (hw_version_id == 0x100000) { m_version = ChipVersion::Version14; } else if (hw_version_id == 0x200000) { m_version = ChipVersion::Version15; } else { m_version = ChipVersion::Version15; m_version_uncertain = true; } break; case 0x2C800000: if (hw_version_id == 00000) { m_version = ChipVersion::Version16; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version17; } else { m_version = ChipVersion::Version17; m_version_uncertain = true; } break; case 0x48000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version18; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version19; } else { m_version = ChipVersion::Version19; m_version_uncertain = true; } break; case 0x48800000: if (hw_version_id == 00000) { m_version = ChipVersion::Version20; } else { m_version = ChipVersion::Version20; m_version_uncertain = true; } break; case 0x4C000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version21; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version22; } else { m_version = ChipVersion::Version22; m_version_uncertain = true; } break; case 0x50000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version23; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version27; } else if (hw_version_id == 0x200000) { m_version = ChipVersion::Version28; } else { m_version = ChipVersion::Version28; m_version_uncertain = true; } break; case 0x50800000: if (hw_version_id == 00000) { m_version = ChipVersion::Version24; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version25; } else { m_version = ChipVersion::Version25; m_version_uncertain = true; } break; case 0x5C800000: if (hw_version_id == 00000) { m_version = ChipVersion::Version26; } else { m_version = ChipVersion::Version26; m_version_uncertain = true; } break; case 0x54000000: if (hw_version_id == 00000) { m_version = ChipVersion::Version29; } else if (hw_version_id == 0x100000) { m_version = ChipVersion::Version30; } else { m_version = ChipVersion::Version30; m_version_uncertain = true; } break; default: dbgln_if(RTL8168_DEBUG, "Unable to determine device version: {#04x}", registers); m_version = ChipVersion::Unknown; m_version_uncertain = true; break; } } String RTL8168NetworkAdapter::possible_device_name() { switch (m_version) { // We are following *BSD's versioning scheme, the comments note linux's versioning scheme, but they dont match up exactly case ChipVersion::Version1: case ChipVersion::Version2: case ChipVersion::Version3: return "RTL8168B/8111B"; // 11, 12, 17 case ChipVersion::Version4: case ChipVersion::Version5: case ChipVersion::Version6: return "RTL8168C/8111C"; // 19, 20, 21, 22 case ChipVersion::Version7: case ChipVersion::Version8: return "RTL8168CP/8111CP"; // 18, 23, 24 case ChipVersion::Version9: case ChipVersion::Version10: return "RTL8168D/8111D"; // 25, 26 case ChipVersion::Version11: case ChipVersion::Version12: case ChipVersion::Version13: return "RTL8168DP/8111DP"; // 27, 28, 31 case ChipVersion::Version14: case ChipVersion::Version15: return "RTL8168E/8111E"; // 32, 33 case ChipVersion::Version16: case ChipVersion::Version17: return "RTL8168E-VL/8111E-VL"; // 34 case ChipVersion::Version18: case ChipVersion::Version19: return "RTL8168F/8111F"; // 35, 36 case ChipVersion::Version20: return "RTL8411"; // 38 case ChipVersion::Version21: case ChipVersion::Version22: return "RTL8168G/8111G"; // 40, 41, 42 case ChipVersion::Version23: case ChipVersion::Version27: case ChipVersion::Version28: return "RTL8168EP/8111EP"; // 49, 50, 51 case ChipVersion::Version24: case ChipVersion::Version25: return "RTL8168GU/8111GU"; // ??? case ChipVersion::Version26: return "RTL8411B"; // 44 case ChipVersion::Version29: case ChipVersion::Version30: return "RTL8168H/8111H"; // 45, 46 case ChipVersion::Unknown: return "Unknown"; } VERIFY_NOT_REACHED(); } }