/* SPDX-License-Identifier: GPL-2.0-only */ /******************************************************************************* Copyright (C) 2007-2009 STMicroelectronics Ltd Author: Giuseppe Cavallaro *******************************************************************************/ #ifndef __DWMAC1000_H__ #define __DWMAC1000_H__ #include #include "common.h" #define GMAC_CONTROL 0x00000000 /* Configuration */ #define GMAC_FRAME_FILTER 0x00000004 /* Frame Filter */ #define GMAC_HASH_HIGH 0x00000008 /* Multicast Hash Table High */ #define GMAC_HASH_LOW 0x0000000c /* Multicast Hash Table Low */ #define GMAC_MII_ADDR 0x00000010 /* MII Address */ #define GMAC_MII_DATA 0x00000014 /* MII Data */ #define GMAC_FLOW_CTRL 0x00000018 /* Flow Control */ #define GMAC_VLAN_TAG 0x0000001c /* VLAN Tag */ #define GMAC_DEBUG 0x00000024 /* GMAC debug register */ #define GMAC_WAKEUP_FILTER 0x00000028 /* Wake-up Frame Filter */ #define GMAC_INT_STATUS 0x00000038 /* interrupt status register */ #define GMAC_INT_STATUS_PMT BIT(3) #define GMAC_INT_STATUS_MMCIS BIT(4) #define GMAC_INT_STATUS_MMCRIS BIT(5) #define GMAC_INT_STATUS_MMCTIS BIT(6) #define GMAC_INT_STATUS_MMCCSUM BIT(7) #define GMAC_INT_STATUS_TSTAMP BIT(9) #define GMAC_INT_STATUS_LPIIS BIT(10) /* interrupt mask register */ #define GMAC_INT_MASK 0x0000003c #define GMAC_INT_DISABLE_RGMII BIT(0) #define GMAC_INT_DISABLE_PCSLINK BIT(1) #define GMAC_INT_DISABLE_PCSAN BIT(2) #define GMAC_INT_DISABLE_PMT BIT(3) #define GMAC_INT_DISABLE_TIMESTAMP BIT(9) #define GMAC_INT_DISABLE_PCS (GMAC_INT_DISABLE_RGMII | \ GMAC_INT_DISABLE_PCSLINK | \ GMAC_INT_DISABLE_PCSAN) #define GMAC_INT_DEFAULT_MASK (GMAC_INT_DISABLE_TIMESTAMP | \ GMAC_INT_DISABLE_PCS) /* PMT Control and Status */ #define GMAC_PMT 0x0000002c enum power_event { pointer_reset = 0x80000000, global_unicast = 0x00000200, wake_up_rx_frame = 0x00000040, magic_frame = 0x00000020, wake_up_frame_en = 0x00000004, magic_pkt_en = 0x00000002, power_down = 0x00000001, }; /* Energy Efficient Ethernet (EEE) * * LPI status, timer and control register offset */ #define LPI_CTRL_STATUS 0x0030 #define LPI_TIMER_CTRL 0x0034 /* LPI control and status defines */ #define LPI_CTRL_STATUS_LPITXA 0x00080000 /* Enable LPI TX Automate */ #define LPI_CTRL_STATUS_PLSEN 0x00040000 /* Enable PHY Link Status */ #define LPI_CTRL_STATUS_PLS 0x00020000 /* PHY Link Status */ #define LPI_CTRL_STATUS_LPIEN 0x00010000 /* LPI Enable */ #define LPI_CTRL_STATUS_RLPIST 0x00000200 /* Receive LPI state */ #define LPI_CTRL_STATUS_TLPIST 0x00000100 /* Transmit LPI state */ #define LPI_CTRL_STATUS_RLPIEX 0x00000008 /* Receive LPI Exit */ #define LPI_CTRL_STATUS_RLPIEN 0x00000004 /* Receive LPI Entry */ #define LPI_CTRL_STATUS_TLPIEX 0x00000002 /* Transmit LPI Exit */ #define LPI_CTRL_STATUS_TLPIEN 0x00000001 /* Transmit LPI Entry */ /* GMAC HW ADDR regs */ #define GMAC_ADDR_HIGH(reg) (((reg > 15) ? 0x00000800 : 0x00000040) + \ (reg * 8)) #define GMAC_ADDR_LOW(reg) (((reg > 15) ? 0x00000804 : 0x00000044) + \ (reg * 8)) #define GMAC_MAX_PERFECT_ADDRESSES 1 #define GMAC_PCS_BASE 0x000000c0 /* PCS register base */ #define GMAC_RGSMIIIS 0x000000d8 /* RGMII/SMII status */ /* SGMII/RGMII status register */ #define GMAC_RGSMIIIS_LNKMODE BIT(0) #define GMAC_RGSMIIIS_SPEED GENMASK(2, 1) #define GMAC_RGSMIIIS_SPEED_SHIFT 1 #define GMAC_RGSMIIIS_LNKSTS BIT(3) #define GMAC_RGSMIIIS_JABTO BIT(4) #define GMAC_RGSMIIIS_FALSECARDET BIT(5) #define GMAC_RGSMIIIS_SMIDRXS BIT(16) /* LNKMOD */ #define GMAC_RGSMIIIS_LNKMOD_MASK 0x1 /* LNKSPEED */ #define GMAC_RGSMIIIS_SPEED_125 0x2 #define GMAC_RGSMIIIS_SPEED_25 0x1 #define GMAC_RGSMIIIS_SPEED_2_5 0x0 /* GMAC Configuration defines */ #define GMAC_CONTROL_2K 0x08000000 /* IEEE 802.3as 2K packets */ #define GMAC_CONTROL_TC 0x01000000 /* Transmit Conf. in RGMII/SGMII */ #define GMAC_CONTROL_WD 0x00800000 /* Disable Watchdog on receive */ #define GMAC_CONTROL_JD 0x00400000 /* Jabber disable */ #define GMAC_CONTROL_BE 0x00200000 /* Frame Burst Enable */ #define GMAC_CONTROL_JE 0x00100000 /* Jumbo frame */ enum inter_frame_gap { GMAC_CONTROL_IFG_88 = 0x00040000, GMAC_CONTROL_IFG_80 = 0x00020000, GMAC_CONTROL_IFG_40 = 0x000e0000, }; #define GMAC_CONTROL_DCRS 0x00010000 /* Disable carrier sense */ #define GMAC_CONTROL_PS 0x00008000 /* Port Select 0:GMI 1:MII */ #define GMAC_CONTROL_FES 0x00004000 /* Speed 0:10 1:100 */ #define GMAC_CONTROL_DO 0x00002000 /* Disable Rx Own */ #define GMAC_CONTROL_LM 0x00001000 /* Loop-back mode */ #define GMAC_CONTROL_DM 0x00000800 /* Duplex Mode */ #define GMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */ #define GMAC_CONTROL_DR 0x00000200 /* Disable Retry */ #define GMAC_CONTROL_LUD 0x00000100 /* Link up/down */ #define GMAC_CONTROL_ACS 0x00000080 /* Auto Pad/FCS Stripping */ #define GMAC_CONTROL_DC 0x00000010 /* Deferral Check */ #define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */ #define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */ #define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \ GMAC_CONTROL_BE | GMAC_CONTROL_DCRS) /* GMAC Frame Filter defines */ #define GMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */ #define GMAC_FRAME_FILTER_HUC 0x00000002 /* Hash Unicast */ #define GMAC_FRAME_FILTER_HMC 0x00000004 /* Hash Multicast */ #define GMAC_FRAME_FILTER_DAIF 0x00000008 /* DA Inverse Filtering */ #define GMAC_FRAME_FILTER_PM 0x00000010 /* Pass all multicast */ #define GMAC_FRAME_FILTER_DBF 0x00000020 /* Disable Broadcast frames */ #define GMAC_FRAME_FILTER_PCF 0x00000080 /* Pass Control frames */ #define GMAC_FRAME_FILTER_SAIF 0x00000100 /* Inverse Filtering */ #define GMAC_FRAME_FILTER_SAF 0x00000200 /* Source Address Filter */ #define GMAC_FRAME_FILTER_HPF 0x00000400 /* Hash or perfect Filter */ #define GMAC_FRAME_FILTER_RA 0x80000000 /* Receive all mode */ /* GMII ADDR defines */ #define GMAC_MII_ADDR_WRITE 0x00000002 /* MII Write */ #define GMAC_MII_ADDR_BUSY 0x00000001 /* MII Busy */ /* GMAC FLOW CTRL defines */ #define GMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */ #define GMAC_FLOW_CTRL_PT_SHIFT 16 #define GMAC_FLOW_CTRL_UP 0x00000008 /* Unicast pause frame enable */ #define GMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */ #define GMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */ #define GMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */ /* DEBUG Register defines */ /* MTL TxStatus FIFO */ #define GMAC_DEBUG_TXSTSFSTS BIT(25) /* MTL TxStatus FIFO Full Status */ #define GMAC_DEBUG_TXFSTS BIT(24) /* MTL Tx FIFO Not Empty Status */ #define GMAC_DEBUG_TWCSTS BIT(22) /* MTL Tx FIFO Write Controller */ /* MTL Tx FIFO Read Controller Status */ #define GMAC_DEBUG_TRCSTS_MASK GENMASK(21, 20) #define GMAC_DEBUG_TRCSTS_SHIFT 20 #define GMAC_DEBUG_TRCSTS_IDLE 0 #define GMAC_DEBUG_TRCSTS_READ 1 #define GMAC_DEBUG_TRCSTS_TXW 2 #define GMAC_DEBUG_TRCSTS_WRITE 3 #define GMAC_DEBUG_TXPAUSED BIT(19) /* MAC Transmitter in PAUSE */ /* MAC Transmit Frame Controller Status */ #define GMAC_DEBUG_TFCSTS_MASK GENMASK(18, 17) #define GMAC_DEBUG_TFCSTS_SHIFT 17 #define GMAC_DEBUG_TFCSTS_IDLE 0 #define GMAC_DEBUG_TFCSTS_WAIT 1 #define GMAC_DEBUG_TFCSTS_GEN_PAUSE 2 #define GMAC_DEBUG_TFCSTS_XFER 3 /* MAC GMII or MII Transmit Protocol Engine Status */ #define GMAC_DEBUG_TPESTS BIT(16) #define GMAC_DEBUG_RXFSTS_MASK GENMASK(9, 8) /* MTL Rx FIFO Fill-level */ #define GMAC_DEBUG_RXFSTS_SHIFT 8 #define GMAC_DEBUG_RXFSTS_EMPTY 0 #define GMAC_DEBUG_RXFSTS_BT 1 #define GMAC_DEBUG_RXFSTS_AT 2 #define GMAC_DEBUG_RXFSTS_FULL 3 #define GMAC_DEBUG_RRCSTS_MASK GENMASK(6, 5) /* MTL Rx FIFO Read Controller */ #define GMAC_DEBUG_RRCSTS_SHIFT 5 #define GMAC_DEBUG_RRCSTS_IDLE 0 #define GMAC_DEBUG_RRCSTS_RDATA 1 #define GMAC_DEBUG_RRCSTS_RSTAT 2 #define GMAC_DEBUG_RRCSTS_FLUSH 3 #define GMAC_DEBUG_RWCSTS BIT(4) /* MTL Rx FIFO Write Controller Active */ /* MAC Receive Frame Controller FIFO Status */ #define GMAC_DEBUG_RFCFCSTS_MASK GENMASK(2, 1) #define GMAC_DEBUG_RFCFCSTS_SHIFT 1 /* MAC GMII or MII Receive Protocol Engine Status */ #define GMAC_DEBUG_RPESTS BIT(0) /*--- DMA BLOCK defines ---*/ /* DMA Bus Mode register defines */ #define DMA_BUS_MODE_DA 0x00000002 /* Arbitration scheme */ #define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */ #define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */ /* Programmable burst length (passed thorugh platform)*/ #define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */ #define DMA_BUS_MODE_PBL_SHIFT 8 #define DMA_BUS_MODE_ATDS 0x00000080 /* Alternate Descriptor Size */ enum rx_tx_priority_ratio { double_ratio = 0x00004000, /* 2:1 */ triple_ratio = 0x00008000, /* 3:1 */ quadruple_ratio = 0x0000c000, /* 4:1 */ }; #define DMA_BUS_MODE_FB 0x00010000 /* Fixed burst */ #define DMA_BUS_MODE_MB 0x04000000 /* Mixed burst */ #define DMA_BUS_MODE_RPBL_MASK 0x007e0000 /* Rx-Programmable Burst Len */ #define DMA_BUS_MODE_RPBL_SHIFT 17 #define DMA_BUS_MODE_USP 0x00800000 #define DMA_BUS_MODE_MAXPBL 0x01000000 #define DMA_BUS_MODE_AAL 0x02000000 /* DMA CRS Control and Status Register Mapping */ #define DMA_HOST_TX_DESC 0x00001048 /* Current Host Tx descriptor */ #define DMA_HOST_RX_DESC 0x0000104c /* Current Host Rx descriptor */ /* DMA Bus Mode register defines */ #define DMA_BUS_PR_RATIO_MASK 0x0000c000 /* Rx/Tx priority ratio */ #define DMA_BUS_PR_RATIO_SHIFT 14 #define DMA_BUS_FB 0x00010000 /* Fixed Burst */ /* DMA operation mode defines (start/stop tx/rx are placed in common header)*/ /* Disable Drop TCP/IP csum error */ #define DMA_CONTROL_DT 0x04000000 #define DMA_CONTROL_RSF 0x02000000 /* Receive Store and Forward */ #define DMA_CONTROL_DFF 0x01000000 /* Disaable flushing */ /* Threshold for Activating the FC */ enum rfa { act_full_minus_1 = 0x00800000, act_full_minus_2 = 0x00800200, act_full_minus_3 = 0x00800400, act_full_minus_4 = 0x00800600, }; /* Threshold for Deactivating the FC */ enum rfd { deac_full_minus_1 = 0x00400000, deac_full_minus_2 = 0x00400800, deac_full_minus_3 = 0x00401000, deac_full_minus_4 = 0x00401800, }; #define DMA_CONTROL_TSF 0x00200000 /* Transmit Store and Forward */ enum ttc_control { DMA_CONTROL_TTC_64 = 0x00000000, DMA_CONTROL_TTC_128 = 0x00004000, DMA_CONTROL_TTC_192 = 0x00008000, DMA_CONTROL_TTC_256 = 0x0000c000, DMA_CONTROL_TTC_40 = 0x00010000, DMA_CONTROL_TTC_32 = 0x00014000, DMA_CONTROL_TTC_24 = 0x00018000, DMA_CONTROL_TTC_16 = 0x0001c000, }; #define DMA_CONTROL_TC_TX_MASK 0xfffe3fff #define DMA_CONTROL_EFC 0x00000100 #define DMA_CONTROL_FEF 0x00000080 #define DMA_CONTROL_FUF 0x00000040 /* Receive flow control activation field * RFA field in DMA control register, bits 23,10:9 */ #define DMA_CONTROL_RFA_MASK 0x00800600 /* Receive flow control deactivation field * RFD field in DMA control register, bits 22,12:11 */ #define DMA_CONTROL_RFD_MASK 0x00401800 /* RFD and RFA fields are encoded as follows * * Bit Field * 0,00 - Full minus 1KB (only valid when rxfifo >= 4KB and EFC enabled) * 0,01 - Full minus 2KB (only valid when rxfifo >= 4KB and EFC enabled) * 0,10 - Full minus 3KB (only valid when rxfifo >= 4KB and EFC enabled) * 0,11 - Full minus 4KB (only valid when rxfifo > 4KB and EFC enabled) * 1,00 - Full minus 5KB (only valid when rxfifo > 8KB and EFC enabled) * 1,01 - Full minus 6KB (only valid when rxfifo > 8KB and EFC enabled) * 1,10 - Full minus 7KB (only valid when rxfifo > 8KB and EFC enabled) * 1,11 - Reserved * * RFD should always be > RFA for a given FIFO size. RFD == RFA may work, * but packet throughput performance may not be as expected. * * Be sure that bit 3 in GMAC Register 6 is set for Unicast Pause frame * detection (IEEE Specification Requirement, Annex 31B, 31B.1, Pause * Description). * * Be sure that DZPA (bit 7 in Flow Control Register, GMAC Register 6), * is set to 0. This allows pause frames with a quanta of 0 to be sent * as an XOFF message to the link peer. */ #define RFA_FULL_MINUS_1K 0x00000000 #define RFA_FULL_MINUS_2K 0x00000200 #define RFA_FULL_MINUS_3K 0x00000400 #define RFA_FULL_MINUS_4K 0x00000600 #define RFA_FULL_MINUS_5K 0x00800000 #define RFA_FULL_MINUS_6K 0x00800200 #define RFA_FULL_MINUS_7K 0x00800400 #define RFD_FULL_MINUS_1K 0x00000000 #define RFD_FULL_MINUS_2K 0x00000800 #define RFD_FULL_MINUS_3K 0x00001000 #define RFD_FULL_MINUS_4K 0x00001800 #define RFD_FULL_MINUS_5K 0x00400000 #define RFD_FULL_MINUS_6K 0x00400800 #define RFD_FULL_MINUS_7K 0x00401000 enum rtc_control { DMA_CONTROL_RTC_64 = 0x00000000, DMA_CONTROL_RTC_32 = 0x00000008, DMA_CONTROL_RTC_96 = 0x00000010, DMA_CONTROL_RTC_128 = 0x00000018, }; #define DMA_CONTROL_TC_RX_MASK 0xffffffe7 #define DMA_CONTROL_OSF 0x00000004 /* Operate on second frame */ /* MMC registers offset */ #define GMAC_MMC_CTRL 0x100 #define GMAC_MMC_RX_INTR 0x104 #define GMAC_MMC_TX_INTR 0x108 #define GMAC_MMC_RX_CSUM_OFFLOAD 0x208 #define GMAC_EXTHASH_BASE 0x500 extern const struct stmmac_dma_ops dwmac1000_dma_ops; #endif /* __DWMAC1000_H__ */