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1/* SPDX-License-Identifier: GPL-2.0-only */2/*******************************************************************************3  Copyright (C) 2007-2009  STMicroelectronics Ltd4 5 6  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>7*******************************************************************************/8#ifndef __DWMAC1000_H__9#define __DWMAC1000_H__10 11#include <linux/phy.h>12#include "common.h"13 14#define GMAC_CONTROL		0x00000000	/* Configuration */15#define GMAC_FRAME_FILTER	0x00000004	/* Frame Filter */16#define GMAC_HASH_HIGH		0x00000008	/* Multicast Hash Table High */17#define GMAC_HASH_LOW		0x0000000c	/* Multicast Hash Table Low */18#define GMAC_MII_ADDR		0x00000010	/* MII Address */19#define GMAC_MII_DATA		0x00000014	/* MII Data */20#define GMAC_FLOW_CTRL		0x00000018	/* Flow Control */21#define GMAC_VLAN_TAG		0x0000001c	/* VLAN Tag */22#define GMAC_DEBUG		0x00000024	/* GMAC debug register */23#define GMAC_WAKEUP_FILTER	0x00000028	/* Wake-up Frame Filter */24 25#define GMAC_INT_STATUS		0x00000038	/* interrupt status register */26#define GMAC_INT_STATUS_PMT	BIT(3)27#define GMAC_INT_STATUS_MMCIS	BIT(4)28#define GMAC_INT_STATUS_MMCRIS	BIT(5)29#define GMAC_INT_STATUS_MMCTIS	BIT(6)30#define GMAC_INT_STATUS_MMCCSUM	BIT(7)31#define GMAC_INT_STATUS_TSTAMP	BIT(9)32#define GMAC_INT_STATUS_LPIIS	BIT(10)33 34/* interrupt mask register */35#define	GMAC_INT_MASK		0x0000003c36#define	GMAC_INT_DISABLE_RGMII		BIT(0)37#define	GMAC_INT_DISABLE_PCSLINK	BIT(1)38#define	GMAC_INT_DISABLE_PCSAN		BIT(2)39#define	GMAC_INT_DISABLE_PMT		BIT(3)40#define	GMAC_INT_DISABLE_TIMESTAMP	BIT(9)41#define	GMAC_INT_DISABLE_PCS	(GMAC_INT_DISABLE_RGMII | \42				 GMAC_INT_DISABLE_PCSLINK | \43				 GMAC_INT_DISABLE_PCSAN)44#define	GMAC_INT_DEFAULT_MASK	(GMAC_INT_DISABLE_TIMESTAMP | \45				 GMAC_INT_DISABLE_PCS)46 47/* PMT Control and Status */48#define GMAC_PMT		0x0000002c49enum power_event {50	pointer_reset = 0x80000000,51	global_unicast = 0x00000200,52	wake_up_rx_frame = 0x00000040,53	magic_frame = 0x00000020,54	wake_up_frame_en = 0x00000004,55	magic_pkt_en = 0x00000002,56	power_down = 0x00000001,57};58 59/* Energy Efficient Ethernet (EEE)60 *61 * LPI status, timer and control register offset62 */63#define LPI_CTRL_STATUS	0x003064#define LPI_TIMER_CTRL	0x003465 66/* LPI control and status defines */67#define LPI_CTRL_STATUS_LPITXA	0x00080000	/* Enable LPI TX Automate */68#define LPI_CTRL_STATUS_PLSEN	0x00040000	/* Enable PHY Link Status */69#define LPI_CTRL_STATUS_PLS	0x00020000	/* PHY Link Status */70#define LPI_CTRL_STATUS_LPIEN	0x00010000	/* LPI Enable */71#define LPI_CTRL_STATUS_RLPIST	0x00000200	/* Receive LPI state */72#define LPI_CTRL_STATUS_TLPIST	0x00000100	/* Transmit LPI state */73#define LPI_CTRL_STATUS_RLPIEX	0x00000008	/* Receive LPI Exit */74#define LPI_CTRL_STATUS_RLPIEN	0x00000004	/* Receive LPI Entry */75#define LPI_CTRL_STATUS_TLPIEX	0x00000002	/* Transmit LPI Exit */76#define LPI_CTRL_STATUS_TLPIEN	0x00000001	/* Transmit LPI Entry */77 78/* GMAC HW ADDR regs */79#define GMAC_ADDR_HIGH(reg)	((reg > 15) ? 0x00000800 + (reg - 16) * 8 : \80				 0x00000040 + (reg * 8))81#define GMAC_ADDR_LOW(reg)	((reg > 15) ? 0x00000804 + (reg - 16) * 8 : \82				 0x00000044 + (reg * 8))83#define GMAC_MAX_PERFECT_ADDRESSES	184 85#define GMAC_PCS_BASE		0x000000c0	/* PCS register base */86#define GMAC_RGSMIIIS		0x000000d8	/* RGMII/SMII status */87 88/* SGMII/RGMII status register */89#define GMAC_RGSMIIIS_LNKMODE		BIT(0)90#define GMAC_RGSMIIIS_SPEED		GENMASK(2, 1)91#define GMAC_RGSMIIIS_SPEED_SHIFT	192#define GMAC_RGSMIIIS_LNKSTS		BIT(3)93#define GMAC_RGSMIIIS_JABTO		BIT(4)94#define GMAC_RGSMIIIS_FALSECARDET	BIT(5)95#define GMAC_RGSMIIIS_SMIDRXS		BIT(16)96/* LNKMOD */97#define GMAC_RGSMIIIS_LNKMOD_MASK	0x198/* LNKSPEED */99#define GMAC_RGSMIIIS_SPEED_125		0x2100#define GMAC_RGSMIIIS_SPEED_25		0x1101#define GMAC_RGSMIIIS_SPEED_2_5		0x0102 103/* GMAC Configuration defines */104#define GMAC_CONTROL_2K 0x08000000	/* IEEE 802.3as 2K packets */105#define GMAC_CONTROL_TC	0x01000000	/* Transmit Conf. in RGMII/SGMII */106#define GMAC_CONTROL_WD	0x00800000	/* Disable Watchdog on receive */107#define GMAC_CONTROL_JD	0x00400000	/* Jabber disable */108#define GMAC_CONTROL_BE	0x00200000	/* Frame Burst Enable */109#define GMAC_CONTROL_JE	0x00100000	/* Jumbo frame */110enum inter_frame_gap {111	GMAC_CONTROL_IFG_88 = 0x00040000,112	GMAC_CONTROL_IFG_80 = 0x00020000,113	GMAC_CONTROL_IFG_40 = 0x000e0000,114};115#define GMAC_CONTROL_DCRS	0x00010000	/* Disable carrier sense */116#define GMAC_CONTROL_PS		0x00008000	/* Port Select 0:GMI 1:MII */117#define GMAC_CONTROL_FES	0x00004000	/* Speed 0:10 1:100 */118#define GMAC_CONTROL_DO		0x00002000	/* Disable Rx Own */119#define GMAC_CONTROL_LM		0x00001000	/* Loop-back mode */120#define GMAC_CONTROL_DM		0x00000800	/* Duplex Mode */121#define GMAC_CONTROL_IPC	0x00000400	/* Checksum Offload */122#define GMAC_CONTROL_DR		0x00000200	/* Disable Retry */123#define GMAC_CONTROL_LUD	0x00000100	/* Link up/down */124#define GMAC_CONTROL_ACS	0x00000080	/* Auto Pad/FCS Stripping */125#define GMAC_CONTROL_DC		0x00000010	/* Deferral Check */126#define GMAC_CONTROL_TE		0x00000008	/* Transmitter Enable */127#define GMAC_CONTROL_RE		0x00000004	/* Receiver Enable */128 129#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | \130			GMAC_CONTROL_BE | GMAC_CONTROL_DCRS)131 132/* GMAC Frame Filter defines */133#define GMAC_FRAME_FILTER_PR	0x00000001	/* Promiscuous Mode */134#define GMAC_FRAME_FILTER_HUC	0x00000002	/* Hash Unicast */135#define GMAC_FRAME_FILTER_HMC	0x00000004	/* Hash Multicast */136#define GMAC_FRAME_FILTER_DAIF	0x00000008	/* DA Inverse Filtering */137#define GMAC_FRAME_FILTER_PM	0x00000010	/* Pass all multicast */138#define GMAC_FRAME_FILTER_DBF	0x00000020	/* Disable Broadcast frames */139#define GMAC_FRAME_FILTER_PCF	0x00000080	/* Pass Control frames */140#define GMAC_FRAME_FILTER_SAIF	0x00000100	/* Inverse Filtering */141#define GMAC_FRAME_FILTER_SAF	0x00000200	/* Source Address Filter */142#define GMAC_FRAME_FILTER_HPF	0x00000400	/* Hash or perfect Filter */143#define GMAC_FRAME_FILTER_RA	0x80000000	/* Receive all mode */144/* GMII ADDR  defines */145#define GMAC_MII_ADDR_WRITE	0x00000002	/* MII Write */146#define GMAC_MII_ADDR_BUSY	0x00000001	/* MII Busy */147/* GMAC FLOW CTRL defines */148#define GMAC_FLOW_CTRL_PT_MASK	0xffff0000	/* Pause Time Mask */149#define GMAC_FLOW_CTRL_PT_SHIFT	16150#define GMAC_FLOW_CTRL_UP	0x00000008	/* Unicast pause frame enable */151#define GMAC_FLOW_CTRL_RFE	0x00000004	/* Rx Flow Control Enable */152#define GMAC_FLOW_CTRL_TFE	0x00000002	/* Tx Flow Control Enable */153#define GMAC_FLOW_CTRL_FCB_BPA	0x00000001	/* Flow Control Busy ... */154 155/* DEBUG Register defines */156/* MTL TxStatus FIFO */157#define GMAC_DEBUG_TXSTSFSTS	BIT(25)	/* MTL TxStatus FIFO Full Status */158#define GMAC_DEBUG_TXFSTS	BIT(24) /* MTL Tx FIFO Not Empty Status */159#define GMAC_DEBUG_TWCSTS	BIT(22) /* MTL Tx FIFO Write Controller */160/* MTL Tx FIFO Read Controller Status */161#define GMAC_DEBUG_TRCSTS_MASK	GENMASK(21, 20)162#define GMAC_DEBUG_TRCSTS_SHIFT	20163#define GMAC_DEBUG_TRCSTS_IDLE	0164#define GMAC_DEBUG_TRCSTS_READ	1165#define GMAC_DEBUG_TRCSTS_TXW	2166#define GMAC_DEBUG_TRCSTS_WRITE	3167#define GMAC_DEBUG_TXPAUSED	BIT(19) /* MAC Transmitter in PAUSE */168/* MAC Transmit Frame Controller Status */169#define GMAC_DEBUG_TFCSTS_MASK	GENMASK(18, 17)170#define GMAC_DEBUG_TFCSTS_SHIFT	17171#define GMAC_DEBUG_TFCSTS_IDLE	0172#define GMAC_DEBUG_TFCSTS_WAIT	1173#define GMAC_DEBUG_TFCSTS_GEN_PAUSE	2174#define GMAC_DEBUG_TFCSTS_XFER	3175/* MAC GMII or MII Transmit Protocol Engine Status */176#define GMAC_DEBUG_TPESTS	BIT(16)177#define GMAC_DEBUG_RXFSTS_MASK	GENMASK(9, 8) /* MTL Rx FIFO Fill-level */178#define GMAC_DEBUG_RXFSTS_SHIFT	8179#define GMAC_DEBUG_RXFSTS_EMPTY	0180#define GMAC_DEBUG_RXFSTS_BT	1181#define GMAC_DEBUG_RXFSTS_AT	2182#define GMAC_DEBUG_RXFSTS_FULL	3183#define GMAC_DEBUG_RRCSTS_MASK	GENMASK(6, 5) /* MTL Rx FIFO Read Controller */184#define GMAC_DEBUG_RRCSTS_SHIFT	5185#define GMAC_DEBUG_RRCSTS_IDLE	0186#define GMAC_DEBUG_RRCSTS_RDATA	1187#define GMAC_DEBUG_RRCSTS_RSTAT	2188#define GMAC_DEBUG_RRCSTS_FLUSH	3189#define GMAC_DEBUG_RWCSTS	BIT(4) /* MTL Rx FIFO Write Controller Active */190/* MAC Receive Frame Controller FIFO Status */191#define GMAC_DEBUG_RFCFCSTS_MASK	GENMASK(2, 1)192#define GMAC_DEBUG_RFCFCSTS_SHIFT	1193/* MAC GMII or MII Receive Protocol Engine Status */194#define GMAC_DEBUG_RPESTS	BIT(0)195 196/*--- DMA BLOCK defines ---*/197/* DMA Bus Mode register defines */198#define DMA_BUS_MODE_DA		0x00000002	/* Arbitration scheme */199#define DMA_BUS_MODE_DSL_MASK	0x0000007c	/* Descriptor Skip Length */200#define DMA_BUS_MODE_DSL_SHIFT	2		/*   (in DWORDS)      */201/* Programmable burst length (passed thorugh platform)*/202#define DMA_BUS_MODE_PBL_MASK	0x00003f00	/* Programmable Burst Len */203#define DMA_BUS_MODE_PBL_SHIFT	8204#define DMA_BUS_MODE_ATDS	0x00000080	/* Alternate Descriptor Size */205 206enum rx_tx_priority_ratio {207	double_ratio = 0x00004000,	/* 2:1 */208	triple_ratio = 0x00008000,	/* 3:1 */209	quadruple_ratio = 0x0000c000,	/* 4:1 */210};211 212#define DMA_BUS_MODE_FB		0x00010000	/* Fixed burst */213#define DMA_BUS_MODE_MB		0x04000000	/* Mixed burst */214#define DMA_BUS_MODE_RPBL_MASK	0x007e0000	/* Rx-Programmable Burst Len */215#define DMA_BUS_MODE_RPBL_SHIFT	17216#define DMA_BUS_MODE_USP	0x00800000217#define DMA_BUS_MODE_MAXPBL	0x01000000218#define DMA_BUS_MODE_AAL	0x02000000219 220/* DMA CRS Control and Status Register Mapping */221#define DMA_HOST_TX_DESC	  0x00001048	/* Current Host Tx descriptor */222#define DMA_HOST_RX_DESC	  0x0000104c	/* Current Host Rx descriptor */223/*  DMA Bus Mode register defines */224#define DMA_BUS_PR_RATIO_MASK	  0x0000c000	/* Rx/Tx priority ratio */225#define DMA_BUS_PR_RATIO_SHIFT	  14226#define DMA_BUS_FB	  	  0x00010000	/* Fixed Burst */227 228/* DMA operation mode defines (start/stop tx/rx are placed in common header)*/229/* Disable Drop TCP/IP csum error */230#define DMA_CONTROL_DT		0x04000000231#define DMA_CONTROL_RSF		0x02000000	/* Receive Store and Forward */232#define DMA_CONTROL_DFF		0x01000000	/* Disaable flushing */233/* Threshold for Activating the FC */234enum rfa {235	act_full_minus_1 = 0x00800000,236	act_full_minus_2 = 0x00800200,237	act_full_minus_3 = 0x00800400,238	act_full_minus_4 = 0x00800600,239};240/* Threshold for Deactivating the FC */241enum rfd {242	deac_full_minus_1 = 0x00400000,243	deac_full_minus_2 = 0x00400800,244	deac_full_minus_3 = 0x00401000,245	deac_full_minus_4 = 0x00401800,246};247#define DMA_CONTROL_TSF	0x00200000	/* Transmit  Store and Forward */248 249enum ttc_control {250	DMA_CONTROL_TTC_64 = 0x00000000,251	DMA_CONTROL_TTC_128 = 0x00004000,252	DMA_CONTROL_TTC_192 = 0x00008000,253	DMA_CONTROL_TTC_256 = 0x0000c000,254	DMA_CONTROL_TTC_40 = 0x00010000,255	DMA_CONTROL_TTC_32 = 0x00014000,256	DMA_CONTROL_TTC_24 = 0x00018000,257	DMA_CONTROL_TTC_16 = 0x0001c000,258};259#define DMA_CONTROL_TC_TX_MASK	0xfffe3fff260 261#define DMA_CONTROL_EFC		0x00000100262#define DMA_CONTROL_FEF		0x00000080263#define DMA_CONTROL_FUF		0x00000040264 265/* Receive flow control activation field266 * RFA field in DMA control register, bits 23,10:9267 */268#define DMA_CONTROL_RFA_MASK	0x00800600269 270/* Receive flow control deactivation field271 * RFD field in DMA control register, bits 22,12:11272 */273#define DMA_CONTROL_RFD_MASK	0x00401800274 275/* RFD and RFA fields are encoded as follows276 *277 *   Bit Field278 *   0,00 - Full minus 1KB (only valid when rxfifo >= 4KB and EFC enabled)279 *   0,01 - Full minus 2KB (only valid when rxfifo >= 4KB and EFC enabled)280 *   0,10 - Full minus 3KB (only valid when rxfifo >= 4KB and EFC enabled)281 *   0,11 - Full minus 4KB (only valid when rxfifo > 4KB and EFC enabled)282 *   1,00 - Full minus 5KB (only valid when rxfifo > 8KB and EFC enabled)283 *   1,01 - Full minus 6KB (only valid when rxfifo > 8KB and EFC enabled)284 *   1,10 - Full minus 7KB (only valid when rxfifo > 8KB and EFC enabled)285 *   1,11 - Reserved286 *287 * RFD should always be > RFA for a given FIFO size. RFD == RFA may work,288 * but packet throughput performance may not be as expected.289 *290 * Be sure that bit 3 in GMAC Register 6 is set for Unicast Pause frame291 * detection (IEEE Specification Requirement, Annex 31B, 31B.1, Pause292 * Description).293 *294 * Be sure that DZPA (bit 7 in Flow Control Register, GMAC Register 6),295 * is set to 0. This allows pause frames with a quanta of 0 to be sent296 * as an XOFF message to the link peer.297 */298 299#define RFA_FULL_MINUS_1K	0x00000000300#define RFA_FULL_MINUS_2K	0x00000200301#define RFA_FULL_MINUS_3K	0x00000400302#define RFA_FULL_MINUS_4K	0x00000600303#define RFA_FULL_MINUS_5K	0x00800000304#define RFA_FULL_MINUS_6K	0x00800200305#define RFA_FULL_MINUS_7K	0x00800400306 307#define RFD_FULL_MINUS_1K	0x00000000308#define RFD_FULL_MINUS_2K	0x00000800309#define RFD_FULL_MINUS_3K	0x00001000310#define RFD_FULL_MINUS_4K	0x00001800311#define RFD_FULL_MINUS_5K	0x00400000312#define RFD_FULL_MINUS_6K	0x00400800313#define RFD_FULL_MINUS_7K	0x00401000314 315enum rtc_control {316	DMA_CONTROL_RTC_64 = 0x00000000,317	DMA_CONTROL_RTC_32 = 0x00000008,318	DMA_CONTROL_RTC_96 = 0x00000010,319	DMA_CONTROL_RTC_128 = 0x00000018,320};321#define DMA_CONTROL_TC_RX_MASK	0xffffffe7322 323#define DMA_CONTROL_OSF	0x00000004	/* Operate on second frame */324 325/* MMC registers offset */326#define GMAC_MMC_CTRL      0x100327#define GMAC_MMC_RX_INTR   0x104328#define GMAC_MMC_TX_INTR   0x108329#define GMAC_MMC_RX_CSUM_OFFLOAD   0x208330#define GMAC_EXTHASH_BASE  0x500331 332extern const struct stmmac_dma_ops dwmac1000_dma_ops;333#endif /* __DWMAC1000_H__ */334