| // 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. |
| |
| #ifndef SRC_CONNECTIVITY_ETHERNET_DRIVERS_DWMAC_DW_GMAC_DMA_H_ |
| #define SRC_CONNECTIVITY_ETHERNET_DRIVERS_DWMAC_DW_GMAC_DMA_H_ |
| |
| // clang-format off |
| |
| #define CONFIG_DW_GMAC_DEFAULT_DMA_PBL 8 |
| |
| /* Bus mode register definitions */ |
| #define X8PBL (1 << 24) |
| #define FIXEDBURST (1 << 16) |
| #define PRIORXTX_41 (3 << 14) |
| #define PRIORXTX_31 (2 << 14) |
| #define PRIORXTX_21 (1 << 14) |
| #define PRIORXTX_11 (0 << 14) |
| #define DMA_PBL (CONFIG_DW_GMAC_DEFAULT_DMA_PBL << 8) |
| #define RXHIGHPRIO (1 << 1) |
| #define DMAMAC_SRST (1 << 0) |
| |
| #define DMA_OPMODE_RSF (1 << 25) |
| #define DMA_OPMODE_TSF (1 << 21) |
| #define DMA_OPMODE_FTF (1 << 20) |
| #define DMA_OPMODE_ST (1 << 13) |
| #define DMA_OPMODE_EFC (1 << 8) |
| #define DMA_OPMODE_FEF (1 << 7) |
| #define DMA_OPMODE_SR (1 << 1) |
| |
| #define DMA_OPMODE_RFD(val) (((val & 0x3) << 11) | ((val & 0x4) << 20)) |
| #define DMA_OPMODE_RFA(val) (((val & 0x3) << 9) | ((val & 0x4) << 21)) |
| #define DMA_OPMODE_TTC(val) ((val & 0x7) << 14) |
| #define DMA_OPMODE_RTC(val) ((val & 0x3) << 3) |
| |
| |
| #define DESC_TXSTS_OWNBYDMA (1 << 31) |
| #define DESC_TXSTS_MSK (0x1FFFF << 0) |
| |
| /* rx status bits definitions */ |
| #define DESC_RXSTS_OWNBYDMA (1 << 31) |
| #define DESC_RXSTS_DAFILTERFAIL (1 << 30) |
| #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16) |
| #define DESC_RXSTS_FRMLENSHFT (16) |
| |
| #define DESC_RXSTS_ERROR (1 << 15) |
| #define DESC_RXSTS_RXTRUNCATED (1 << 14) |
| #define DESC_RXSTS_SAFILTERFAIL (1 << 13) |
| #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12) |
| #define DESC_RXSTS_RXDAMAGED (1 << 11) |
| #define DESC_RXSTS_RXVLANTAG (1 << 10) |
| #define DESC_RXSTS_RXFIRST (1 << 9) |
| #define DESC_RXSTS_RXLAST (1 << 8) |
| #define DESC_RXSTS_RXIPC_GIANT (1 << 7) |
| #define DESC_RXSTS_RXCOLLISION (1 << 6) |
| #define DESC_RXSTS_RXFRAMEETHER (1 << 5) |
| #define DESC_RXSTS_RXWATCHDOG (1 << 4) |
| #define DESC_RXSTS_RXMIIERROR (1 << 3) |
| #define DESC_RXSTS_RXDRIBBLING (1 << 2) |
| #define DESC_RXSTS_RXCRC (1 << 1) |
| |
| /* tx control bits definitions */ |
| #define DESC_TXCTRL_TXINT (1 << 31) |
| #define DESC_TXCTRL_TXLAST (1 << 30) |
| #define DESC_TXCTRL_TXFIRST (1 << 29) |
| #define DESC_TXCTRL_TXCHECKINSCTRL (2 << 27) |
| #define DESC_TXCTRL_TXCRCDIS (1 << 26) |
| #define DESC_TXCTRL_TXRINGEND (1 << 25) |
| #define DESC_TXCTRL_TXCHAIN (1 << 24) |
| |
| #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0) |
| #define DESC_TXCTRL_SIZE1SHFT (0) |
| #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11) |
| #define DESC_TXCTRL_SIZE2SHFT (11) |
| |
| /* rx control bits definitions */ |
| #define DESC_RXCTRL_RXINTDIS (1 << 31) |
| #define DESC_RXCTRL_RXRINGEND (1 << 25) |
| #define DESC_RXCTRL_RXCHAIN (1 << 24) |
| |
| #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0) |
| #define DESC_RXCTRL_SIZE1SHFT (0) |
| #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11) |
| #define DESC_RXCTRL_SIZE2SHFT (11) |
| |
| /*DMA interrupt enable bits */ |
| #define DMA_INT_NIE (1 << 16) /* Normal Interrupt Enable */ |
| #define DMA_INT_AIE (1 << 15) /* Abnormal Interrupt Enable */ |
| #define DMA_INT_ERE (1 << 14) /* Early Rx */ |
| #define DMA_INT_FBE (1 << 13) /* Fatal Bus Error */ |
| #define DMA_INT_ETE (1 << 10) /* Early Tx */ |
| #define DMA_INT_RWE (1 << 9) /* Rx Watchdog */ |
| #define DMA_INT_RSE (1 << 8) /* Rx Stopped */ |
| #define DMA_INT_RUE (1 << 7) /* Rx Buffer Unavailable */ |
| #define DMA_INT_RIE (1 << 6) |
| #define DMA_INT_UNE (1 << 5) |
| #define DMA_INT_OVE (1 << 4) |
| #define DMA_INT_TJE (1 << 3) |
| #define DMA_INT_TUE (1 << 2) |
| #define DMA_INT_TSE (1 << 1) |
| #define DMA_INT_TIE (1 << 0) |
| |
| |
| #define DMA_STATUS_GLPII (1 << 30) /*GMAC LPI or GTMSI interrupt */ |
| #define DMA_STATUS_GLI (1 << 26) /*GMAC Line interface interrupt*/ |
| #define DMA_STATUS_AIS (1 << 15) /*GMAC Abnormal activity*/ |
| #define DMA_STATUS_RI (1 << 6) /*GMAC Rx Complete*/ |
| #define DMA_STATUS_TI (1 << 0) /*Tx Complete */ |
| #define DMA_STATUS_RS_POS (17) |
| #define DMA_STATUS_RS_MASK (0x7 << DMA_STATUS_RS_POS) |
| |
| #define DMA_RS_STATUS_STOPPED (0) |
| #define DMA_RS_STATUS_FETCHING_DESC (1) |
| #define DMA_RS_STATUS_WAITING (3) |
| #define DMA_RS_STATUS_SUSPENDED (4) |
| #define DMA_RS_STATUS_CLOSING_DESC (5) |
| #define DMA_RS_STATUS_TRANSFERRING (7) |
| |
| #define GMAC_RGMII_STATUS_LNKSTS (1 << 3) |
| |
| /* GMAC Configuration defines */ |
| #define GMAC_CONF_2K 0x08000000 /* IEEE 802.3as 2K packets */ |
| #define GMAC_CONF_TC 0x01000000 /* Transmit Conf. in RGMII/SGMII */ |
| #define GMAC_CONF_WD 0x00800000 /* Disable Watchdog on receive */ |
| #define GMAC_CONF_JD 0x00400000 /* Jabber disable */ |
| #define GMAC_CONF_BE 0x00200000 /* Frame Burst Enable */ |
| #define GMAC_CONF_JE 0x00100000 /* Jumbo frame */ |
| enum inter_frame_gap { |
| GMAC_CONF_IFG_88 = 0x00040000, |
| GMAC_CONF_IFG_80 = 0x00020000, |
| GMAC_CONF_IFG_40 = 0x000e0000, |
| }; |
| #define GMAC_CONF_DCRS 0x00010000 /* Disable carrier sense */ |
| #define GMAC_CONF_PS 0x00008000 /* Port Select 0:GMI 1:MII */ |
| #define GMAC_CONF_FES 0x00004000 /* Speed 0:10 1:100 */ |
| #define GMAC_CONF_DO 0x00002000 /* Disable Rx Own */ |
| #define GMAC_CONF_LM 0x00001000 /* Loop-back mode */ |
| #define GMAC_CONF_DM 0x00000800 /* Duplex Mode */ |
| #define GMAC_CONF_IPC 0x00000400 /* Checksum Offload */ |
| #define GMAC_CONF_DR 0x00000200 /* Disable Retry */ |
| #define GMAC_CONF_LUD 0x00000100 /* Link up/down */ |
| #define GMAC_CONF_ACS 0x00000080 /* Auto Pad/FCS Stripping */ |
| #define GMAC_CONF_DC 0x00000010 /* Deferral Check */ |
| #define GMAC_CONF_TE 0x00000008 /* Transmitter Enable */ |
| #define GMAC_CONF_RE 0x00000004 /* Receiver Enable */ |
| |
| #define GMAC_CORE_INIT (GMAC_CONF_JD | \ |
| GMAC_CONF_DM) |
| |
| |
| #define GMAC_FLOW_TFE (1 << 1) |
| #define GMAC_FLOW_RFE (1 << 2) |
| #define GMAC_FLOW_UP (1 << 3) |
| |
| |
| |
| //ETH_REG0 definitions |
| // (ending in _POS indicates bit position) |
| #define ETH_REG0_RGMII_SEL (1 << 0) |
| #define ETH_REG0_DATA_ENDIAN (1 << 1) |
| #define ETH_REG0_DESC_ENDIAN (1 << 2) |
| #define ETH_REG0_RX_CLK_INV (1 << 3) |
| #define ETH_REG0_TX_CLK_SRC (1 << 4) |
| #define ETH_REG0_TX_CLK_PH_POS (5) |
| #define ETH_REG0_TX_CLK_RATIO_POS (7) |
| #define ETH_REG0_REF_CLK_ENA (1 << 10) |
| #define ETH_REG0_RMII_INV (1 << 11) |
| #define ETH_REG0_CLK_ENA (1 << 12) |
| #define ETH_REG0_ADJ_ENA (1 << 13) |
| #define ETH_REG0_ADJ_SETUP (1 << 14) |
| #define ETH_REG0_ADJ_DELAY_POS (15) |
| #define ETH_REG0_ADJ_SKEW_POS (20) |
| #define ETH_REG0_CALI_START (1 << 25) |
| #define ETH_REG0_CALI_RISE (1 << 26) |
| #define ETH_REG0_CALI_SEL_POS (27) |
| #define ETH_REG0_RX_REUSE (1 << 30) |
| #define ETH_REG0_URGENT (1 << 31) |
| |
| // miiaddr register definitions |
| #define MII_BUSY (1 << 0) |
| #define MII_WRITE (1 << 1) |
| #define MII_CLKRANGE_60_100M (0) |
| #define MII_CLKRANGE_100_150M (0x4) |
| #define MII_CLKRANGE_20_35M (0x8) |
| #define MII_CLKRANGE_35_60M (0xC) |
| #define MII_CLKRANGE_150_250M (0x10) |
| #define MII_CLKRANGE_250_300M (0x14) |
| |
| #define MIIADDRSHIFT (11) |
| #define MIIREGSHIFT (6) |
| #define MII_REGMSK (0x1F << 6) |
| #define MII_ADDRMSK (0x1F << 11) |
| |
| #define MAC_MAX_FRAME_SZ (1600) |
| |
| |
| #define MII_BMCR 0x00 /* Basic mode control register */ |
| #define MII_BMSR 0x01 /* Basic mode status register */ |
| #define MII_PHYSID1 0x02 /* PHYS ID 1 */ |
| #define MII_PHYSID2 0x03 /* PHYS ID 2 */ |
| #define MII_ADVERTISE 0x04 /* Advertisement control reg */ |
| #define MII_LPA 0x05 /* Link partner ability reg */ |
| #define MII_EXPANSION 0x06 /* Expansion register */ |
| #define MII_GBCR 0x09 /* 1000BASE-T control */ |
| #define MII_GBSR 0x0a /* 1000BASE-T status */ |
| #define MII_ESTATUS 0x0f /* Extended Status */ |
| #define MII_DCOUNTER 0x12 /* Disconnect counter */ |
| #define MII_FCSCOUNTER 0x13 /* False carrier counter */ |
| #define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ |
| #define MII_RERRCOUNTER 0x15 /* Receive error counter */ |
| #define MII_SREVISION 0x16 /* Silicon revision */ |
| #define MII_RESV1 0x17 /* Reserved... */ |
| #define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ |
| #define MII_PHYADDR 0x19 /* PHY address */ |
| #define MII_RESV2 0x1a /* Reserved... */ |
| #define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ |
| #define MII_NCONFIG 0x1c /* Network interface config */ |
| #define MII_EPAGSR 0x1f /* Page Select register */ |
| |
| /* Basic mode control register. */ |
| #define BMCR_RESV 0x003f /* Unused... */ |
| #define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */ |
| #define BMCR_CTST 0x0080 /* Collision test */ |
| #define BMCR_FULLDPLX 0x0100 /* Full duplex */ |
| #define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ |
| #define BMCR_ISOLATE 0x0400 /* Isolate data paths from MII */ |
| #define BMCR_PDOWN 0x0800 /* Enable low power state */ |
| #define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ |
| #define BMCR_SPEED100 0x2000 /* Select 100Mbps */ |
| #define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ |
| #define BMCR_RESET 0x8000 /* Reset to default state */ |
| #define BMCR_SPEED10 0x0000 /* Select 10Mbps */ |
| |
| /* Basic mode status register. */ |
| #define BMSR_ERCAP 0x0001 /* Ext-reg capability */ |
| #define BMSR_JCD 0x0002 /* Jabber detected */ |
| #define BMSR_LSTATUS 0x0004 /* Link status */ |
| #define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ |
| #define BMSR_RFAULT 0x0010 /* Remote fault detected */ |
| #define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ |
| #define BMSR_RESV 0x00c0 /* Unused... */ |
| #define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */ |
| #define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */ |
| #define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */ |
| #define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ |
| #define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ |
| #define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ |
| #define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ |
| #define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ |
| |
| |
| #endif // SRC_CONNECTIVITY_ETHERNET_DRIVERS_DWMAC_DW_GMAC_DMA_H_ |
