xref: /src/sys/dev/ic/dwc_eqos_reg.h

/* $NetBSD: dwc_eqos_reg.h,v 1.5 2022/08/23 05:41:46 ryo Exp $ */

/*-
 * Copyright (c) 2022 Jared McNeill <jmcneill (at) invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * DesignWare Ethernet Quality-of-Service controller
 */

#ifndef _DWC_EQOS_REG_H
#define _DWC_EQOS_REG_H

#define	GMAC_MAC_CONFIGURATION			0x0000
#define	 GMAC_MAC_CONFIGURATION_CST		(1U << 21)
#define	 GMAC_MAC_CONFIGURATION_ACS		(1U << 20)
#define	 GMAC_MAC_CONFIGURATION_BE		(1U << 18)
#define	 GMAC_MAC_CONFIGURATION_JD		(1U << 17)
#define	 GMAC_MAC_CONFIGURATION_JE		(1U << 16)
#define	 GMAC_MAC_CONFIGURATION_PS		(1U << 15)
#define	 GMAC_MAC_CONFIGURATION_FES		(1U << 14)
#define	 GMAC_MAC_CONFIGURATION_DM		(1U << 13)
#define	 GMAC_MAC_CONFIGURATION_DCRS		(1U << 9)
#define	 GMAC_MAC_CONFIGURATION_TE		(1U << 1)
#define	 GMAC_MAC_CONFIGURATION_RE		(1U << 0)
#define	GMAC_MAC_EXT_CONFIGURATION		0x0004
#define	GMAC_MAC_PACKET_FILTER			0x0008
#define	 GMAC_MAC_PACKET_FILTER_HPF		(1U << 10)
#define	 GMAC_MAC_PACKET_FILTER_PCF_MASK	(3U << 6)
#define	 GMAC_MAC_PACKET_FILTER_PCF_ALL		(2U << 6)
#define	 GMAC_MAC_PACKET_FILTER_DBF		(1U << 5)
#define	 GMAC_MAC_PACKET_FILTER_PM		(1U << 4)
#define	 GMAC_MAC_PACKET_FILTER_HMC		(1U << 2)
#define	 GMAC_MAC_PACKET_FILTER_HUC		(1U << 1)
#define	 GMAC_MAC_PACKET_FILTER_PR		(1U << 0)
#define	GMAC_MAC_WATCHDOG_TIMEOUT		0x000C
#define	GMAC_MAC_HASH_TABLE_REG0		0x0010
#define	GMAC_MAC_HASH_TABLE_REG1		0x0014
#define	GMAC_MAC_VLAN_TAG			0x0050
#define	GMAC_MAC_Q0_TX_FLOW_CTRL		0x0070
#define	 GMAC_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT	16
#define	 GMAC_MAC_Q0_TX_FLOW_CTRL_TFE		(1U << 1)
#define	GMAC_MAC_RX_FLOW_CTRL			0x0090
#define	 GMAC_MAC_RX_FLOW_CTRL_RFE		(1U << 0)
#define	GMAC_RXQ_CTRL0				0x00A0
#define	 GMAC_RXQ_CTRL0_EN_MASK			0x3
#define	 GMAC_RXQ_CTRL0_EN_AVB			0x1
#define	 GMAC_RXQ_CTRL0_EN_DCB			0x2
#define	GMAC_RXQ_CTRL1				0x00A4
#define	GMAC_RXQ_CTRL2				0x00A8
#define	GMAC_MAC_INTERRUPT_STATUS		0x00B0
#define	GMAC_MAC_INTERRUPT_ENABLE		0x00B4
#define	GMAC_MAC_RX_TX_STATUS			0x00B8
#define	 GMAC_MAC_RX_TX_STATUS_RWT		(1U << 8)
#define	 GMAC_MAC_RX_TX_STATUS_EXCOL		(1U << 5)
#define	 GMAC_MAC_RX_TX_STATUS_LCOL		(1U << 4)
#define	 GMAC_MAC_RX_TX_STATUS_EXDEF		(1U << 3)
#define	 GMAC_MAC_RX_TX_STATUS_LCARR		(1U << 2)
#define	 GMAC_MAC_RX_TX_STATUS_NCARR		(1U << 1)
#define	 GMAC_MAC_RX_TX_STATUS_TJT		(1U << 0)
#define	GMAC_MAC_PMT_CONTROL_STATUS		0x00C0
#define	GMAC_MAC_RWK_PACKET_FILTER		0x00C4
#define	GMAC_MAC_LPI_CONTROL_STATUS		0x00D0
#define	GMAC_MAC_LPI_TIMERS_CONTROL		0x00D4
#define	GMAC_MAC_LPI_ENTRY_TIMER		0x00D8
#define	GMAC_MAC_1US_TIC_COUNTER		0x00DC
#define	GMAC_MAC_PHYIF_CONTROL_STATUS		0x00F8
#define	GMAC_MAC_VERSION			0x0110
#define	 GMAC_MAC_VERSION_USERVER_SHIFT		8
#define	 GMAC_MAC_VERSION_USERVER_MASK		(0xFFU << GMAC_MAC_VERSION_USERVER_SHIFT)
#define	 GMAC_MAC_VERSION_SNPSVER_MASK		0xFFU
#define	GMAC_MAC_DEBUG				0x0114
#define	GMAC_MAC_HW_FEATURE(n)			(0x011C + 0x4 * (n))
#define	 GMAC_MAC_HW_FEATURE1_TXFIFOSIZE	__BITS(10,6)
#define	 GMAC_MAC_HW_FEATURE1_RXFIFOSIZE	__BITS(5,0)
#define	 GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT	14
#define	 GMAC_MAC_HW_FEATURE1_ADDR64_MASK	(0x3U << GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT)
#define	 GMAC_MAC_HW_FEATURE1_ADDR64_32BIT	(0x0U << GMAC_MAC_HW_FEATURE1_ADDR64_SHIFT)
#define	GMAC_MAC_MDIO_ADDRESS			0x0200
#define	 GMAC_MAC_MDIO_ADDRESS_PA_SHIFT		21
#define	 GMAC_MAC_MDIO_ADDRESS_RDA_SHIFT	16
#define	 GMAC_MAC_MDIO_ADDRESS_CR_SHIFT		8
#define	 GMAC_MAC_MDIO_ADDRESS_CR_MASK		(0x7U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_60_100	(0U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_100_150	(1U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_20_35		(2U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_35_60		(3U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_150_250	(4U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_250_300	(5U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_300_500	(6U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_CR_500_800	(7U << GMAC_MAC_MDIO_ADDRESS_CR_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_SKAP		(1U << 4)
#define	 GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT	2
#define	 GMAC_MAC_MDIO_ADDRESS_GOC_READ		(3U << GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_GOC_WRITE	(1U << GMAC_MAC_MDIO_ADDRESS_GOC_SHIFT)
#define	 GMAC_MAC_MDIO_ADDRESS_C45E		(1U << 1)
#define	 GMAC_MAC_MDIO_ADDRESS_GB		(1U << 0)
#define	GMAC_MAC_MDIO_DATA			0x0204
#define	GMAC_MAC_CSR_SW_CTRL			0x0230
#define	GMAC_MAC_ADDRESS0_HIGH			0x0300
#define	GMAC_MAC_ADDRESS0_LOW			0x0304
#define	GMAC_MMC_CONTROL			0x0700
#define	 GMAC_MMC_CONTROL_UCDBC			(1U << 8)
#define	 GMAC_MMC_CONTROL_CNTPRSTLVL		(1U << 5)
#define	 GMAC_MMC_CONTROL_CNTPRST		(1U << 4)
#define	 GMAC_MMC_CONTROL_CNTFREEZ		(1U << 3)
#define	 GMAC_MMC_CONTROL_RSTONRD		(1U << 2)
#define	 GMAC_MMC_CONTROL_CNTSTOPRO		(1U << 1)
#define	 GMAC_MMC_CONTROL_CNTRST		(1U << 0)
#define	GMAC_MMC_RX_INTERRUPT			0x0704
#define	 GMAC_MMC_RX_INTERRUPT_RXFOVPIS		(1U << 21)
#define	 GMAC_MMC_RX_INTERRUPT_RXLENERPIS	(1U << 18)
#define	 GMAC_MMC_RX_INTERRUPT_RXCRCERPIS	(1U << 5)
#define	 GMAC_MMC_RX_INTERRUPT_RXMCGPIS		(1U << 4)
#define	 GMAC_MMC_RX_INTERRUPT_RXGOCTIS		(1U << 2)
#define	 GMAC_MMC_RX_INTERRUPT_RXGBOCTIS	(1U << 1)
#define	 GMAC_MMC_RX_INTERRUPT_RXGBPKTIS	(1U << 0)
#define	GMAC_MMC_TX_INTERRUPT			0x0708
#define	 GMAC_MMC_TX_INTERRUPT_TXGPKTIS		(1U << 21)
#define	 GMAC_MMC_TX_INTERRUPT_TXGOCTIS		(1U << 20)
#define	 GMAC_MMC_TX_INTERRUPT_TXCARERPIS	(1U << 19)
#define	 GMAC_MMC_TX_INTERRUPT_TXFLOWERPIS	(1U << 13)
#define	 GMAC_MMC_TX_INTERRUPT_TXGBPKTIS	(1U << 1)
#define	 GMAC_MMC_TX_INTERRUPT_TXGBOCTIS	(1U << 0)
/* Use GMAC_MMC_RX_INTERRUPT_MASK bits for GMAC_MMC_RX_INTERRUPT_MASK */
#define	GMAC_MMC_RX_INTERRUPT_MASK		0x070C
/* Use GMAC_MMC_TX_INTERRUPT_MASK bits for GMAC_MMC_TX_INTERRUPT_MASK */
#define	GMAC_MMC_TX_INTERRUPT_MASK		0x0710
#define	GMAC_TX_OCTET_COUNT_GOOD_BAD		0x0714
#define	GMAC_TX_PACKET_COUNT_GOOD_BAD		0x0718
#define	GMAC_TX_UNDERFLOW_ERROR_PACKETS		0x0748
#define	GMAC_TX_CARRIER_ERROR_PACKETS		0x0760
#define	GMAC_TX_OCTET_COUNT_GOOD		0x0764
#define	GMAC_TX_PACKET_COUNT_GOOD		0x0768
#define	GMAC_RX_PACKETS_COUNT_GOOD_BAD		0x0780
#define	GMAC_RX_OCTET_COUNT_GOOD_BAD		0x0784
#define	GMAC_RX_OCTET_COUNT_GOOD		0x0788
#define	GMAC_RX_MULTICAST_PACKETS_GOOD		0x0790
#define	GMAC_RX_CRC_ERROR_PACKETS		0x0794
#define	GMAC_RX_LENGTH_ERROR_PACKETS		0x07C8
#define	GMAC_RX_FIFO_OVERFLOW_PACKETS		0x07D4
#define	GMAC_MMC_IPC_RX_INTERRUPT_MASK		0x0800
#define	GMAC_MMC_IPC_RX_INTERRUPT		0x0808
#define	GMAC_RXIPV4_GOOD_PACKETS		0x0810
#define	GMAC_RXIPV4_HEADER_ERROR_PACKETS	0x0814
#define	GMAC_RXIPV6_GOOD_PACKETS		0x0824
#define	GMAC_RXIPV6_HEADER_ERROR_PACKETS	0x0828
#define	GMAC_RXUDP_ERROR_PACKETS		0x0834
#define	GMAC_RXTCP_ERROR_PACKETS		0x083C
#define	GMAC_RXICMP_ERROR_PACKETS		0x0844
#define	GMAC_RXIPV4_HEADER_ERROR_OCTETS		0x0854
#define	GMAC_RXIPV6_HEADER_ERROR_OCTETS		0x0868
#define	GMAC_RXUDP_ERROR_OCTETS			0x0874
#define	GMAC_RXTCP_ERROR_OCTETS			0x087C
#define	GMAC_RXICMP_ERROR_OCTETS		0x0884
#define	GMAC_MAC_TIMESTAMP_CONTROL		0x0B00
#define	GMAC_MAC_SUB_SECOND_INCREMENT		0x0B04
#define	GMAC_MAC_SYSTEM_TIME_SECS		0x0B08
#define	GMAC_MAC_SYSTEM_TIME_NS			0x0B0C
#define	GMAC_MAC_SYS_TIME_SECS_UPDATE		0x0B10
#define	GMAC_MAC_SYS_TIME_NS_UPDATE		0x0B14
#define	GMAC_MAC_TIMESTAMP_ADDEND		0x0B18
#define	GMAC_MAC_TIMESTAMP_STATUS		0x0B20
#define	GMAC_MAC_TX_TS_STATUS_NS		0x0B30
#define	GMAC_MAC_TX_TS_STATUS_SECS		0x0B34
#define	GMAC_MAC_AUXILIARY_CONTROL		0x0B40
#define	GMAC_MAC_AUXILIARY_TS_NS		0x0B48
#define	GMAC_MAC_AUXILIARY_TS_SECS		0x0B4C
#define	GMAC_MAC_TS_INGRESS_CORR_NS		0x0B58
#define	GMAC_MAC_TS_EGRESS_CORR_NS		0x0B5C
#define	GMAC_MAC_TS_INGRESS_LATENCY		0x0B68
#define	GMAC_MAC_TS_EGRESS_LATENCY		0x0B6C
#define	GMAC_MAC_PPS_CONTROL			0x0B70
#define	GMAC_MTL_DBG_CTL			0x0C08
#define	GMAC_MTL_DBG_STS			0x0C0C
#define	GMAC_MTL_FIFO_DEBUG_DATA		0x0C10
#define	GMAC_MTL_INTERRUPT_STATUS		0x0C20
#define	 GMAC_MTL_INTERRUPT_STATUS_DBGIS	(1U << 17)
#define	 GMAC_MTL_INTERRUPT_STATUS_Q0IS		(1U << 0)
#define	GMAC_MTL_TXQ0_OPERATION_MODE		0x0D00
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TQS		__BITS(24,16)
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TTC		__BITS(6,4)
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT	2
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_MASK	(0x3U << GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT)
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_EN		(2U << GMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT)
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_TSF		(1U << 1)
#define	 GMAC_MTL_TXQ0_OPERATION_MODE_FTQ		(1U << 0)
#define	GMAC_MTL_TXQ0_UNDERFLOW			0x0D04
#define	GMAC_MTL_TXQ0_DEBUG			0x0D08
#define	GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS	0x0D2C
#define	 GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOIE	(1U << 24)
#define	 GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_RXOVFIS	(1U << 16)
#define	 GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUIE	(1U << 8)
#define	 GMAC_MTL_Q0_INTERRUPT_CTRL_STATUS_TXUNFIS	(1U << 0)
#define	GMAC_MTL_RXQ0_OPERATION_MODE		0x0D30
#define  GMAC_MTL_RXQ0_OPERATION_MODE_RQS		__BITS(29,20)
#define  GMAC_MTL_RXQ0_OPERATION_MODE_RFD		__BITS(19,14)
#define  GMAC_MTL_RXQ0_OPERATION_MODE_RFA		__BITS(13,8)
#define	 GMAC_MTL_RXQ0_OPERATION_MODE_EHFC		(1U << 7)
#define	 GMAC_MTL_RXQ0_OPERATION_MODE_RSF		(1U << 5)
#define	 GMAC_MTL_RXQ0_OPERATION_MODE_FEP		(1U << 4)
#define	 GMAC_MTL_RXQ0_OPERATION_MODE_FUP		(1U << 3)
#define	GMAC_MTL_RXQ0_MISS_PKT_OVF_CNT		0x0D34
#define	GMAC_MTL_RXQ0_DEBUG			0x0D38
#define	GMAC_DMA_MODE				0x1000
#define	 GMAC_DMA_MODE_SWR			(1U << 0)
#define	GMAC_DMA_SYSBUS_MODE			0x1004
#define	 GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT	24
#define	 GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_MASK	(0x3U << GMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT)
#define	 GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT	16
#define	 GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_MASK	(0x7U << GMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT)
#define	 GMAC_DMA_SYSBUS_MODE_MB		(1U << 14)
#define	 GMAC_DMA_SYSBUS_MODE_EAME		(1U << 11)
#define	 GMAC_DMA_SYSBUS_MODE_BLEN16		(1U << 3)
#define	 GMAC_DMA_SYSBUS_MODE_BLEN8		(1U << 2)
#define	 GMAC_DMA_SYSBUS_MODE_BLEN4		(1U << 1)
#define	 GMAC_DMA_SYSBUS_MODE_FB		(1U << 0)
#define	GMAC_DMA_INTERRUPT_STATUS		0x1008
#define	GMAC_DMA_DEBUG_STATUS0			0x100C
#define	GMAC_AXI_LPI_ENTRY_INTERVAL		0x1040
#define	GMAC_RWK_FILTERn_BYTE_MASK(n)		(0x10C0 + 0x4 * (n))
#define	GMAC_RWK_FILTER01_CRC			0x10D0
#define	GMAC_RWK_FILTER23_CRC			0x10D4
#define	GMAC_RWK_FILTER_OFFSET			0x10D8
#define	GMAC_RWK_FILTER_COMMAND			0x10DC
#define	GMAC_DMA_CHAN0_CONTROL			0x1100
#define	 GMAC_DMA_CHAN0_CONTROL_DSL_SHIFT	18
#define	 GMAC_DMA_CHAN0_CONTROL_DSL_MASK	(0x7U << GMAC_DMA_CHAN0_CONTROL_DSL_SHIFT)
#define	 GMAC_DMA_CHAN0_CONTROL_PBLX8		(1U << 16)
#define	GMAC_DMA_CHAN0_TX_CONTROL		0x1104
#define	 GMAC_DMA_CHAN0_TX_CONTROL_OSP		(1U << 4)
#define	 GMAC_DMA_CHAN0_TX_CONTROL_START	(1U << 0)
#define	GMAC_DMA_CHAN0_RX_CONTROL		0x1108
#define	 GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_SHIFT	1
#define	 GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_MASK	(0x3FFFU << GMAC_DMA_CHAN0_RX_CONTROL_RBSZ_SHIFT)
#define	 GMAC_DMA_CHAN0_RX_CONTROL_START	(1U << 0)
#define	GMAC_DMA_CHAN0_TX_BASE_ADDR_HI		0x1110
#define	GMAC_DMA_CHAN0_TX_BASE_ADDR		0x1114
#define	GMAC_DMA_CHAN0_RX_BASE_ADDR_HI		0x1118
#define	GMAC_DMA_CHAN0_RX_BASE_ADDR		0x111C
#define	GMAC_DMA_CHAN0_TX_END_ADDR		0x1120
#define	GMAC_DMA_CHAN0_RX_END_ADDR		0x1128
#define	GMAC_DMA_CHAN0_TX_RING_LEN		0x112C
#define	GMAC_DMA_CHAN0_RX_RING_LEN		0x1130
#define	GMAC_DMA_CHAN0_INTR_ENABLE		0x1134
#define	 GMAC_DMA_CHAN0_INTR_ENABLE_NIE		(1U << 15)
#define	 GMAC_DMA_CHAN0_INTR_ENABLE_AIE		(1U << 14)
#define	 GMAC_DMA_CHAN0_INTR_ENABLE_FBE		(1U << 12)
#define	 GMAC_DMA_CHAN0_INTR_ENABLE_RIE		(1U << 6)
#define	 GMAC_DMA_CHAN0_INTR_ENABLE_TIE		(1U << 0)
#define	GMAC_DMA_CHAN0_RX_WATCHDOG		0x1138
#define	GMAC_DMA_CHAN0_SLOT_CTRL_STATUS		0x113C
#define	GMAC_DMA_CHAN0_CUR_TX_DESC		0x1144
#define	GMAC_DMA_CHAN0_CUR_RX_DESC		0x114C
#define	GMAC_DMA_CHAN0_CUR_TX_BUF_ADDR		0x1154
#define	GMAC_DMA_CHAN0_CUR_RX_BUF_ADDR		0x115C
#define	GMAC_DMA_CHAN0_STATUS			0x1160
#define	 GMAC_DMA_CHAN0_STATUS_NIS		(1U << 15)
#define	 GMAC_DMA_CHAN0_STATUS_AIS		(1U << 14)
#define	 GMAC_DMA_CHAN0_STATUS_FB		(1U << 12)
#define	 GMAC_DMA_CHAN0_STATUS_RI		(1U << 6)
#define	 GMAC_DMA_CHAN0_STATUS_TI		(1U << 0)

struct eqos_dma_desc {
	uint32_t	tdes0;
	uint32_t	tdes1;
	uint32_t	tdes2;
#define	EQOS_TDES2_IOC				(1U << 31)	/* TX */
	uint32_t	tdes3;
#define	EQOS_TDES3_OWN				(1U << 31)	/* TX and RX */
#define	EQOS_TDES3_IOC				(1U << 30)	/* RX */
#define	EQOS_TDES3_FD				(1U << 29)	/* TX */
#define	EQOS_TDES3_LD				(1U << 28)	/* TX */
#define	EQOS_TDES3_BUF1V			(1U << 24)	/* RX */
#define	EQOS_TDES3_DE				(1U << 23)	/* TX (WB) */
#define	EQOS_TDES3_ES				(1U << 15)	/* TX (WB) */
#define	EQOS_TDES3_LENGTH_MASK			0x7FFFU		/* RX */
} __aligned (64);

#endif /* !_DWC_EQOS_REG_H */