path: root/target/linux/gemini/files/drivers/net/ethernet/gemini/sl351x_hw.h

/*
 *  Register definitions for Gemini LEPUS GMAC Ethernet device driver.
 *
 *  Copyright (C) 2006, Storlink, Corp.
 *  Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
 *  Copyright (C) 2010, Michał Mirosław <mirq-linux@rere.qmqm.pl>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */
#ifndef _GMAC_HW_H
#define _GMAC_HW_H

#include <linux/bitops.h>

/*
 * Base Registers
 */
#define TOE_NONTOE_QUE_HDR_BASE		0x2000
#define TOE_TOE_QUE_HDR_BASE		0x3000
#define TOE_V_BIT_BASE			0x4000
#define TOE_A_BIT_BASE			0x6000
#define TOE_GMAC_DMA_BASE(x)		(0x8000 + 0x4000 * (x))
#define TOE_GMAC_BASE(x)		(0xA000 + 0x4000 * (x))

/*
 * Queue ID
 */
#define TOE_SW_FREE_QID			0x00
#define TOE_HW_FREE_QID			0x01
#define TOE_GMAC0_SW_TXQ0_QID		0x02
#define TOE_GMAC0_SW_TXQ1_QID		0x03
#define TOE_GMAC0_SW_TXQ2_QID		0x04
#define TOE_GMAC0_SW_TXQ3_QID		0x05
#define TOE_GMAC0_SW_TXQ4_QID		0x06
#define TOE_GMAC0_SW_TXQ5_QID		0x07
#define TOE_GMAC0_HW_TXQ0_QID		0x08
#define TOE_GMAC0_HW_TXQ1_QID		0x09
#define TOE_GMAC0_HW_TXQ2_QID		0x0A
#define TOE_GMAC0_HW_TXQ3_QID		0x0B
#define TOE_GMAC1_SW_TXQ0_QID		0x12
#define TOE_GMAC1_SW_TXQ1_QID		0x13
#define TOE_GMAC1_SW_TXQ2_QID		0x14
#define TOE_GMAC1_SW_TXQ3_QID		0x15
#define TOE_GMAC1_SW_TXQ4_QID		0x16
#define TOE_GMAC1_SW_TXQ5_QID		0x17
#define TOE_GMAC1_HW_TXQ0_QID		0x18
#define TOE_GMAC1_HW_TXQ1_QID		0x19
#define TOE_GMAC1_HW_TXQ2_QID		0x1A
#define TOE_GMAC1_HW_TXQ3_QID		0x1B
#define TOE_GMAC0_DEFAULT_QID		0x20
#define TOE_GMAC1_DEFAULT_QID		0x21
#define TOE_CLASSIFICATION_QID(x)	(0x22 + x)	/* 0x22 ~ 0x2F */
#define TOE_TOE_QID(x)			(0x40 + x)	/* 0x40 ~ 0x7F */

/*
 * old info:
 * TOE DMA Queue Size should be 2^n, n = 6...12
 * TOE DMA Queues are the following queue types:
 *		SW Free Queue, HW Free Queue,
 *		GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
 * The base address and descriptor number are configured at
 * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
 */

#define GET_WPTR(addr)			__raw_readw((addr) + 2)
#define GET_RPTR(addr)			__raw_readw((addr))
#define SET_WPTR(addr, data)		__raw_writew((data), (addr) + 2)
#define SET_RPTR(addr, data)		__raw_writew((data), (addr))
#define __RWPTR_NEXT(x, mask)		(((unsigned int)(x) + 1) & (mask))
#define __RWPTR_PREV(x, mask)		(((unsigned int)(x) - 1) & (mask))
#define __RWPTR_DISTANCE(r, w, mask)	(((unsigned int)(w) - (r)) & (mask))
#define __RWPTR_MASK(order)		((1 << (order)) - 1)
#define RWPTR_NEXT(x, order)		__RWPTR_NEXT((x), __RWPTR_MASK((order)))
#define RWPTR_PREV(x, order)		__RWPTR_PREV((x), __RWPTR_MASK((order)))
#define RWPTR_DISTANCE(r, w, order)	__RWPTR_DISTANCE((r), (w), \
						__RWPTR_MASK((order)))

/*
 * Global registers
 * #define TOE_GLOBAL_BASE			(TOE_BASE + 0x0000)
 * Base 0x60000000
 */
#define GLOBAL_TOE_VERSION_REG		0x0000
#define GLOBAL_SW_FREEQ_BASE_SIZE_REG	0x0004
#define GLOBAL_HW_FREEQ_BASE_SIZE_REG	0x0008
#define GLOBAL_DMA_SKB_SIZE_REG		0x0010
#define GLOBAL_SWFQ_RWPTR_REG		0x0014
#define GLOBAL_HWFQ_RWPTR_REG		0x0018
#define GLOBAL_INTERRUPT_STATUS_0_REG	0x0020
#define GLOBAL_INTERRUPT_ENABLE_0_REG	0x0024
#define GLOBAL_INTERRUPT_SELECT_0_REG	0x0028
#define GLOBAL_INTERRUPT_STATUS_1_REG	0x0030
#define GLOBAL_INTERRUPT_ENABLE_1_REG	0x0034
#define GLOBAL_INTERRUPT_SELECT_1_REG	0x0038
#define GLOBAL_INTERRUPT_STATUS_2_REG	0x0040
#define GLOBAL_INTERRUPT_ENABLE_2_REG	0x0044
#define GLOBAL_INTERRUPT_SELECT_2_REG	0x0048
#define GLOBAL_INTERRUPT_STATUS_3_REG	0x0050
#define GLOBAL_INTERRUPT_ENABLE_3_REG	0x0054
#define GLOBAL_INTERRUPT_SELECT_3_REG	0x0058
#define GLOBAL_INTERRUPT_STATUS_4_REG	0x0060
#define GLOBAL_INTERRUPT_ENABLE_4_REG	0x0064
#define GLOBAL_INTERRUPT_SELECT_4_REG	0x0068
#define GLOBAL_HASH_TABLE_BASE_REG	0x006C
#define GLOBAL_QUEUE_THRESHOLD_REG	0x0070

/*
 * GMAC 0/1 DMA/TOE register
 * #define TOE_GMAC0_DMA_BASE		(TOE_BASE + 0x8000)
 * #define TOE_GMAC1_DMA_BASE		(TOE_BASE + 0xC000)
 * Base 0x60008000 or 0x6000C000
 */
#define GMAC_DMA_CTRL_REG		0x0000
#define GMAC_TX_WEIGHTING_CTRL_0_REG	0x0004
#define GMAC_TX_WEIGHTING_CTRL_1_REG	0x0008
#define GMAC_SW_TX_QUEUE0_PTR_REG	0x000C
#define GMAC_SW_TX_QUEUE1_PTR_REG	0x0010
#define GMAC_SW_TX_QUEUE2_PTR_REG	0x0014
#define GMAC_SW_TX_QUEUE3_PTR_REG	0x0018
#define GMAC_SW_TX_QUEUE4_PTR_REG	0x001C
#define GMAC_SW_TX_QUEUE5_PTR_REG	0x0020
#define GMAC_SW_TX_QUEUE_PTR_REG(i)	(GMAC_SW_TX_QUEUE0_PTR_REG + 4 * (i))
#define GMAC_HW_TX_QUEUE0_PTR_REG	0x0024
#define GMAC_HW_TX_QUEUE1_PTR_REG	0x0028
#define GMAC_HW_TX_QUEUE2_PTR_REG	0x002C
#define GMAC_HW_TX_QUEUE3_PTR_REG	0x0030
#define GMAC_HW_TX_QUEUE_PTR_REG(i)	(GMAC_HW_TX_QUEUE0_PTR_REG + 4 * (i))
#define GMAC_DMA_TX_FIRST_DESC_REG	0x0038
#define GMAC_DMA_TX_CURR_DESC_REG	0x003C
#define GMAC_DMA_TX_DESC_WORD0_REG	0x0040
#define GMAC_DMA_TX_DESC_WORD1_REG	0x0044
#define GMAC_DMA_TX_DESC_WORD2_REG	0x0048
#define GMAC_DMA_TX_DESC_WORD3_REG	0x004C
#define GMAC_SW_TX_QUEUE_BASE_REG	0x0050
#define GMAC_HW_TX_QUEUE_BASE_REG	0x0054
#define GMAC_DMA_RX_FIRST_DESC_REG	0x0058
#define GMAC_DMA_RX_CURR_DESC_REG	0x005C
#define GMAC_DMA_RX_DESC_WORD0_REG	0x0060
#define GMAC_DMA_RX_DESC_WORD1_REG	0x0064
#define GMAC_DMA_RX_DESC_WORD2_REG	0x0068
#define GMAC_DMA_RX_DESC_WORD3_REG	0x006C
#define GMAC_HASH_ENGINE_REG0		0x0070
#define GMAC_HASH_ENGINE_REG1		0x0074
/* matching rule 0 Control register 0 */
#define GMAC_MR0CR0			0x0078
#define GMAC_MR0CR1			0x007C
#define GMAC_MR0CR2			0x0080
#define GMAC_MR1CR0			0x0084
#define GMAC_MR1CR1			0x0088
#define GMAC_MR1CR2			0x008C
#define GMAC_MR2CR0			0x0090
#define GMAC_MR2CR1			0x0094
#define GMAC_MR2CR2			0x0098
#define GMAC_MR3CR0			0x009C
#define GMAC_MR3CR1			0x00A0
#define GMAC_MR3CR2			0x00A4
/* Support Protocol Regsister 0 */
#define GMAC_SPR0			0x00A8
#define GMAC_SPR1			0x00AC
#define GMAC_SPR2			0x00B0
#define GMAC_SPR3			0x00B4
#define GMAC_SPR4			0x00B8
#define GMAC_SPR5			0x00BC
#define GMAC_SPR6			0x00C0
#define GMAC_SPR7			0x00C4
/* GMAC Hash/Rx/Tx AHB Weighting register */
#define GMAC_AHB_WEIGHT_REG		0x00C8

/*
 * TOE GMAC 0/1 register
 * #define TOE_GMAC0_BASE				(TOE_BASE + 0xA000)
 * #define TOE_GMAC1_BASE				(TOE_BASE + 0xE000)
 * Base 0x6000A000 or 0x6000E000
 */
enum GMAC_REGISTER {
	GMAC_STA_ADD0	= 0x0000,
	GMAC_STA_ADD1	= 0x0004,
	GMAC_STA_ADD2	= 0x0008,
	GMAC_RX_FLTR	= 0x000c,
	GMAC_MCAST_FIL0 = 0x0010,
	GMAC_MCAST_FIL1 = 0x0014,
	GMAC_CONFIG0	= 0x0018,
	GMAC_CONFIG1	= 0x001c,
	GMAC_CONFIG2	= 0x0020,
	GMAC_CONFIG3	= 0x0024,
	GMAC_RESERVED	= 0x0028,
	GMAC_STATUS	= 0x002c,
	GMAC_IN_DISCARDS= 0x0030,
	GMAC_IN_ERRORS  = 0x0034,
	GMAC_IN_MCAST   = 0x0038,
	GMAC_IN_BCAST   = 0x003c,
	GMAC_IN_MAC1    = 0x0040,	/* for STA 1 MAC Address */
	GMAC_IN_MAC2    = 0x0044	/* for STA 2 MAC Address */
};

#define RX_STATS_NUM	6

/*
 * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
 */
typedef union {
	unsigned int bits32;
	unsigned int base_size;
} DMA_Q_BASE_SIZE_T;
#define DMA_Q_BASE_MASK		(~0x0f)

/*
 * DMA SKB Buffer register (offset 0x0008)
 */
typedef union {
	unsigned int bits32;
	struct bit_0008 {
		unsigned int sw_skb_size : 16;	/* SW Free poll SKB Size */
		unsigned int hw_skb_size : 16;	/* HW Free poll SKB Size */
	} bits;
} DMA_SKB_SIZE_T;

/*
 * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
 */
typedef union {
	unsigned int bits32;
	struct bit_000c {
		unsigned int rptr	: 16;	/* Read Ptr, RO */
		unsigned int wptr	: 16;	/* Write Ptr, RW */
	} bits;
} DMA_RWPTR_T;

/*
 * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
 * see DMA_RWPTR_T structure
 */

/*
 * Interrupt Status Register 0	(offset 0x0020)
 * Interrupt Mask Register 0	(offset 0x0024)
 * Interrupt Select Register 0	(offset 0x0028)
 */
typedef union {
	unsigned int bits32;
	struct bit_0020 {
		/* GMAC0 SW Tx Queue 0 EOF Interrupt */
		unsigned int swtq00_eof	: 1;
		unsigned int swtq01_eof	: 1;
		unsigned int swtq02_eof	: 1;
		unsigned int swtq03_eof	: 1;
		unsigned int swtq04_eof	: 1;
		unsigned int swtq05_eof	: 1;
		/* GMAC1 SW Tx Queue 0 EOF Interrupt */
		unsigned int swtq10_eof	: 1;
		unsigned int swtq11_eof	: 1;
		unsigned int swtq12_eof	: 1;
		unsigned int swtq13_eof	: 1;
		unsigned int swtq14_eof	: 1;
		unsigned int swtq15_eof	: 1;
		/* GMAC0 SW Tx Queue 0 Finish Interrupt */
		unsigned int swtq00_fin	: 1;
		unsigned int swtq01_fin	: 1;
		unsigned int swtq02_fin	: 1;
		unsigned int swtq03_fin	: 1;
		unsigned int swtq04_fin	: 1;
		unsigned int swtq05_fin	: 1;
		/* GMAC1 SW Tx Queue 0 Finish Interrupt */
		unsigned int swtq10_fin	: 1;
		unsigned int swtq11_fin	: 1;
		unsigned int swtq12_fin	: 1;
		unsigned int swtq13_fin	: 1;
		unsigned int swtq14_fin	: 1;
		unsigned int swtq15_fin	: 1;
		/* GMAC0 Rx Descriptor Protocol Error */
		unsigned int rxPerr0	: 1;
		/* GMAC0 AHB Bus Error while Rx */
		unsigned int rxDerr0	: 1;
		/* GMAC1 Rx Descriptor Protocol Error */
		unsigned int rxPerr1	: 1;
		/* GMAC1 AHB Bus Error while Rx */
		unsigned int rxDerr1	: 1;
		/* GMAC0 Tx Descriptor Protocol Error */
		unsigned int txPerr0	: 1;
		/* GMAC0 AHB Bus Error while Tx */
		unsigned int txDerr0	: 1;
		/* GMAC1 Tx Descriptor Protocol Error */
		unsigned int txPerr1	: 1;
		/* GMAC1 AHB Bus Error while Tx */
		unsigned int txDerr1	: 1;
	} bits;
} INTR_REG0_T;

#define GMAC1_TXDERR_INT_BIT		BIT(31)
#define GMAC1_TXPERR_INT_BIT		BIT(30)
#define GMAC0_TXDERR_INT_BIT		BIT(29)
#define GMAC0_TXPERR_INT_BIT		BIT(28)
#define GMAC1_RXDERR_INT_BIT		BIT(27)
#define GMAC1_RXPERR_INT_BIT		BIT(26)
#define GMAC0_RXDERR_INT_BIT		BIT(25)
#define GMAC0_RXPERR_INT_BIT		BIT(24)
#define GMAC1_SWTQ15_FIN_INT_BIT	BIT(23)
#define GMAC1_SWTQ14_FIN_INT_BIT	BIT(22)
#define GMAC1_SWTQ13_FIN_INT_BIT	BIT(21)
#define GMAC1_SWTQ12_FIN_INT_BIT	BIT(20)
#define GMAC1_SWTQ11_FIN_INT_BIT	BIT(19)
#define GMAC1_SWTQ10_FIN_INT_BIT	BIT(18)
#define GMAC0_SWTQ05_FIN_INT_BIT	BIT(17)
#define GMAC0_SWTQ04_FIN_INT_BIT	BIT(16)
#define GMAC0_SWTQ03_FIN_INT_BIT	BIT(15)
#define GMAC0_SWTQ02_FIN_INT_BIT	BIT(14)
#define GMAC0_SWTQ01_FIN_INT_BIT	BIT(13)
#define GMAC0_SWTQ00_FIN_INT_BIT	BIT(12)
#define GMAC1_SWTQ15_EOF_INT_BIT	BIT(11)
#define GMAC1_SWTQ14_EOF_INT_BIT	BIT(10)
#define GMAC1_SWTQ13_EOF_INT_BIT	BIT(9)
#define GMAC1_SWTQ12_EOF_INT_BIT	BIT(8)
#define GMAC1_SWTQ11_EOF_INT_BIT	BIT(7)
#define GMAC1_SWTQ10_EOF_INT_BIT	BIT(6)
#define GMAC0_SWTQ05_EOF_INT_BIT	BIT(5)
#define GMAC0_SWTQ04_EOF_INT_BIT	BIT(4)
#define GMAC0_SWTQ03_EOF_INT_BIT	BIT(3)
#define GMAC0_SWTQ02_EOF_INT_BIT	BIT(2)
#define GMAC0_SWTQ01_EOF_INT_BIT	BIT(1)
#define GMAC0_SWTQ00_EOF_INT_BIT	BIT(0)

/*
 * Interrupt Status Register 1	(offset 0x0030)
 * Interrupt Mask Register 1	(offset 0x0034)
 * Interrupt Select Register 1	(offset 0x0038)
 */
typedef union {
	unsigned int bits32;
	struct bit_0030 {
		unsigned int default_q0_eof	: 1;	/* Default Queue 0 EOF Interrupt */
		unsigned int default_q1_eof	: 1;	/* Default Queue 1 EOF Interrupt */
		unsigned int class_rx		: 14;	/* Classification Queue Rx Interrupt */
		unsigned int hwtq00_eof		: 1;	/* GMAC0 HW Tx Queue0 EOF Interrupt */
		unsigned int hwtq01_eof		: 1;	/* GMAC0 HW Tx Queue1 EOF Interrupt */
		unsigned int hwtq02_eof		: 1;	/* GMAC0 HW Tx Queue2 EOF Interrupt */
		unsigned int hwtq03_eof		: 1;	/* GMAC0 HW Tx Queue3 EOF Interrupt */
		unsigned int hwtq10_eof		: 1;	/* GMAC1 HW Tx Queue0 EOF Interrupt */
		unsigned int hwtq11_eof		: 1;	/* GMAC1 HW Tx Queue1 EOF Interrupt */
		unsigned int hwtq12_eof		: 1;	/* GMAC1 HW Tx Queue2 EOF Interrupt */
		unsigned int hwtq13_eof		: 1;	/* GMAC1 HW Tx Queue3 EOF Interrupt */
		unsigned int toe_iq0_intr	: 1;	/* TOE Interrupt Queue 0 with Interrupts */
		unsigned int toe_iq1_intr	: 1;	/* TOE Interrupt Queue 1 with Interrupts */
		unsigned int toe_iq2_intr	: 1;	/* TOE Interrupt Queue 2 with Interrupts */
		unsigned int toe_iq3_intr	: 1;	/* TOE Interrupt Queue 3 with Interrupts */
		unsigned int toe_iq0_full	: 1;	/* TOE Interrupt Queue 0 Full Interrupt */
		unsigned int toe_iq1_full	: 1;	/* TOE Interrupt Queue 1 Full Interrupt */
		unsigned int toe_iq2_full	: 1;	/* TOE Interrupt Queue 2 Full Interrupt */
		unsigned int toe_iq3_full	: 1;	/* TOE Interrupt Queue 3 Full Interrupt */
	} bits;
} INTR_REG1_T;

#define TOE_IQ3_FULL_INT_BIT		BIT(31)
#define TOE_IQ2_FULL_INT_BIT		BIT(30)
#define TOE_IQ1_FULL_INT_BIT		BIT(29)
#define TOE_IQ0_FULL_INT_BIT		BIT(28)
#define TOE_IQ3_INT_BIT			BIT(27)
#define TOE_IQ2_INT_BIT			BIT(26)
#define TOE_IQ1_INT_BIT			BIT(25)
#define TOE_IQ0_INT_BIT			BIT(24)
#define GMAC1_HWTQ13_EOF_INT_BIT	BIT(23)
#define GMAC1_HWTQ12_EOF_INT_BIT	BIT(22)
#define GMAC1_HWTQ11_EOF_INT_BIT	BIT(21)
#define GMAC1_HWTQ10_EOF_INT_BIT	BIT(20)
#define GMAC0_HWTQ03_EOF_INT_BIT	BIT(19)
#define GMAC0_HWTQ02_EOF_INT_BIT	BIT(18)
#define GMAC0_HWTQ01_EOF_INT_BIT	BIT(17)
#define GMAC0_HWTQ00_EOF_INT_BIT	BIT(16)
#define CLASS_RX_INT_BIT(x)		BIT((x + 2))
#define DEFAULT_Q1_INT_BIT		BIT(1)
#define DEFAULT_Q0_INT_BIT		BIT(0)

#define TOE_IQ_INT_BITS		(TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
				 TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
#define	TOE_IQ_FULL_BITS	(TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
		                 TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
#define	TOE_IQ_ALL_BITS		(TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
#define TOE_CLASS_RX_INT_BITS	0xfffc

/*
 * Interrupt Status Register 2	(offset 0x0040)
 * Interrupt Mask Register 2	(offset 0x0044)
 * Interrupt Select Register 2	(offset 0x0048)
 */
typedef union {
	unsigned int bits32;
	struct bit_0040 {
		unsigned int toe_q0_full	: 1;	/* bit 0	TOE Queue 0 Full Interrupt */
		unsigned int toe_q1_full	: 1;	/* bit 1	TOE Queue 1 Full Interrupt */
		unsigned int toe_q2_full	: 1;	/* bit 2	TOE Queue 2 Full Interrupt */
		unsigned int toe_q3_full	: 1;	/* bit 3	TOE Queue 3 Full Interrupt */
		unsigned int toe_q4_full	: 1;	/* bit 4	TOE Queue 4 Full Interrupt */
		unsigned int toe_q5_full	: 1;	/* bit 5	TOE Queue 5 Full Interrupt */
		unsigned int toe_q6_full	: 1;	/* bit 6	TOE Queue 6 Full Interrupt */
		unsigned int toe_q7_full	: 1;	/* bit 7	TOE Queue 7 Full Interrupt */
		unsigned int toe_q8_full	: 1;	/* bit 8	TOE Queue 8 Full Interrupt */
		unsigned int toe_q9_full	: 1;	/* bit 9	TOE Queue 9 Full Interrupt */
		unsigned int toe_q10_full	: 1;	/* bit 10	TOE Queue 10 Full Interrupt */
		unsigned int toe_q11_full	: 1;	/* bit 11	TOE Queue 11 Full Interrupt */
		unsigned int toe_q12_full	: 1;	/* bit 12	TOE Queue 12 Full Interrupt */
		unsigned int toe_q13_full	: 1;	/* bit 13	TOE Queue 13 Full Interrupt */
		unsigned int toe_q14_full	: 1;	/* bit 14	TOE Queue 14 Full Interrupt */
		unsigned int toe_q15_full	: 1;	/* bit 15	TOE Queue 15 Full Interrupt */
		unsigned int toe_q16_full	: 1;	/* bit 16	TOE Queue 16 Full Interrupt */
		unsigned int toe_q17_full	: 1;	/* bit 17	TOE Queue 17 Full Interrupt */
		unsigned int toe_q18_full	: 1;	/* bit 18	TOE Queue 18 Full Interrupt */
		unsigned int toe_q19_full	: 1;	/* bit 19	TOE Queue 19 Full Interrupt */
		unsigned int toe_q20_full	: 1;	/* bit 20	TOE Queue 20 Full Interrupt */
		unsigned int toe_q21_full	: 1;	/* bit 21	TOE Queue 21 Full Interrupt */
		unsigned int toe_q22_full	: 1;	/* bit 22	TOE Queue 22 Full Interrupt */
		unsigned int toe_q23_full	: 1;	/* bit 23	TOE Queue 23 Full Interrupt */
		unsigned int toe_q24_full	: 1;	/* bit 24	TOE Queue 24 Full Interrupt */
		unsigned int toe_q25_full	: 1;	/* bit 25	TOE Queue 25 Full Interrupt */
		unsigned int toe_q26_full	: 1;	/* bit 26	TOE Queue 26 Full Interrupt */
		unsigned int toe_q27_full	: 1;	/* bit 27	TOE Queue 27 Full Interrupt */
		unsigned int toe_q28_full	: 1;	/* bit 28	TOE Queue 28 Full Interrupt */
		unsigned int toe_q29_full	: 1;	/* bit 29	TOE Queue 29 Full Interrupt */
		unsigned int toe_q30_full	: 1;	/* bit 30	TOE Queue 30 Full Interrupt */
		unsigned int toe_q31_full	: 1;	/* bit 31	TOE Queue 31 Full Interrupt */
	} bits;
} INTR_REG2_T;

#define TOE_QL_FULL_INT_BIT(x)		BIT(x)

/*
 * Interrupt Status Register 3	(offset 0x0050)
 * Interrupt Mask Register 3	(offset 0x0054)
 * Interrupt Select Register 3	(offset 0x0058)
 */
typedef union {
	unsigned int bits32;
	struct bit_0050 {
		unsigned int toe_q32_full	: 1;	/* bit 32	TOE Queue 32 Full Interrupt */
		unsigned int toe_q33_full	: 1;	/* bit 33	TOE Queue 33 Full Interrupt */
		unsigned int toe_q34_full	: 1;	/* bit 34	TOE Queue 34 Full Interrupt */
		unsigned int toe_q35_full	: 1;	/* bit 35	TOE Queue 35 Full Interrupt */
		unsigned int toe_q36_full	: 1;	/* bit 36	TOE Queue 36 Full Interrupt */
		unsigned int toe_q37_full	: 1;	/* bit 37	TOE Queue 37 Full Interrupt */
		unsigned int toe_q38_full	: 1;	/* bit 38	TOE Queue 38 Full Interrupt */
		unsigned int toe_q39_full	: 1;	/* bit 39	TOE Queue 39 Full Interrupt */
		unsigned int toe_q40_full	: 1;	/* bit 40	TOE Queue 40 Full Interrupt */
		unsigned int toe_q41_full	: 1;	/* bit 41	TOE Queue 41 Full Interrupt */
		unsigned int toe_q42_full	: 1;	/* bit 42	TOE Queue 42 Full Interrupt */
		unsigned int toe_q43_full	: 1;	/* bit 43	TOE Queue 43 Full Interrupt */
		unsigned int toe_q44_full	: 1;	/* bit 44	TOE Queue 44 Full Interrupt */
		unsigned int toe_q45_full	: 1;	/* bit 45	TOE Queue 45 Full Interrupt */
		unsigned int toe_q46_full	: 1;	/* bit 46	TOE Queue 46 Full Interrupt */
		unsigned int toe_q47_full	: 1;	/* bit 47	TOE Queue 47 Full Interrupt */
		unsigned int toe_q48_full	: 1;	/* bit 48	TOE Queue 48 Full Interrupt */
		unsigned int toe_q49_full	: 1;	/* bit 49	TOE Queue 49 Full Interrupt */
		unsigned int toe_q50_full	: 1;	/* bit 50	TOE Queue 50 Full Interrupt */
		unsigned int toe_q51_full	: 1;	/* bit 51	TOE Queue 51 Full Interrupt */
		unsigned int toe_q52_full	: 1;	/* bit 52	TOE Queue 52 Full Interrupt */
		unsigned int toe_q53_full	: 1;	/* bit 53	TOE Queue 53 Full Interrupt */
		unsigned int toe_q54_full	: 1;	/* bit 54	TOE Queue 54 Full Interrupt */
		unsigned int toe_q55_full	: 1;	/* bit 55	TOE Queue 55 Full Interrupt */
		unsigned int toe_q56_full	: 1;	/* bit 56	TOE Queue 56 Full Interrupt */
		unsigned int toe_q57_full	: 1;	/* bit 57	TOE Queue 57 Full Interrupt */
		unsigned int toe_q58_full	: 1;	/* bit 58	TOE Queue 58 Full Interrupt */
		unsigned int toe_q59_full	: 1;	/* bit 59	TOE Queue 59 Full Interrupt */
		unsigned int toe_q60_full	: 1;	/* bit 60	TOE Queue 60 Full Interrupt */
		unsigned int toe_q61_full	: 1;	/* bit 61	TOE Queue 61 Full Interrupt */
		unsigned int toe_q62_full	: 1;	/* bit 62	TOE Queue 62 Full Interrupt */
		unsigned int toe_q63_full	: 1;	/* bit 63	TOE Queue 63 Full Interrupt */
	} bits;
} INTR_REG3_T;

#define TOE_QH_FULL_INT_BIT(x)		BIT(x-32)

/*
 * Interrupt Status Register 4	(offset 0x0060)
 * Interrupt Mask Register 4	(offset 0x0064)
 * Interrupt Select Register 4	(offset 0x0068)
 */
typedef union {
	unsigned char byte;
	struct bit_0060 {
		unsigned char status_changed	: 1;	/* Status Changed Intr for RGMII Mode */
		unsigned char rx_overrun	: 1;   /* GMAC Rx FIFO overrun interrupt */
		unsigned char tx_pause_off	: 1;	/* received pause off frame interrupt */
		unsigned char rx_pause_off	: 1;	/* received pause off frame interrupt */
		unsigned char tx_pause_on	: 1;	/* transmit pause on frame interrupt */
		unsigned char rx_pause_on	: 1;	/* received pause on frame interrupt */
		unsigned char cnt_full		: 1;	/* MIB counters half full interrupt */
		unsigned char reserved		: 1;	/* */
	} __packed bits;
} __packed GMAC_INTR_T;

typedef union {
	unsigned int bits32;
	struct bit_0060_2 {
		unsigned int    swfq_empty	: 1;	/* bit 0	Software Free Queue Empty Intr. */
		unsigned int    hwfq_empty	: 1;	/* bit 1	Hardware Free Queue Empty Intr. */
		unsigned int	class_qf_int	: 14;	/* bit 15:2 Classification Rx Queue13-0 Full Intr. */
		GMAC_INTR_T	gmac0;
		GMAC_INTR_T	gmac1;
	} bits;
} INTR_REG4_T;

#define GMAC1_RESERVED_INT_BIT		BIT(31)
#define GMAC1_MIB_INT_BIT		BIT(30)
#define GMAC1_RX_PAUSE_ON_INT_BIT	BIT(29)
#define GMAC1_TX_PAUSE_ON_INT_BIT	BIT(28)
#define GMAC1_RX_PAUSE_OFF_INT_BIT	BIT(27)
#define GMAC1_TX_PAUSE_OFF_INT_BIT	BIT(26)
#define GMAC1_RX_OVERRUN_INT_BIT	BIT(25)
#define GMAC1_STATUS_CHANGE_INT_BIT	BIT(24)
#define GMAC0_RESERVED_INT_BIT		BIT(23)
#define GMAC0_MIB_INT_BIT		BIT(22)
#define GMAC0_RX_PAUSE_ON_INT_BIT	BIT(21)
#define GMAC0_TX_PAUSE_ON_INT_BIT	BIT(20)
#define GMAC0_RX_PAUSE_OFF_INT_BIT	BIT(19)
#define GMAC0_TX_PAUSE_OFF_INT_BIT	BIT(18)
#define GMAC0_RX_OVERRUN_INT_BIT	BIT(17)
#define GMAC0_STATUS_CHANGE_INT_BIT	BIT(16)
#define CLASS_RX_FULL_INT_BIT(x)	BIT((x+2))
#define HWFQ_EMPTY_INT_BIT		BIT(1)
#define SWFQ_EMPTY_INT_BIT		BIT(0)

#define GMAC0_INT_BITS		(GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
				 GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT |	\
				 GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT |	\
				 GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
#define GMAC1_INT_BITS		(GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
				 GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT |	\
				 GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT |	\
				 GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)

#define CLASS_RX_FULL_INT_BITS		0xfffc

/*
 * GLOBAL_QUEUE_THRESHOLD_REG	(offset 0x0070)
 */
typedef union {
	unsigned int bits32;
	struct bit_0070_2 {
		unsigned int    swfq_empty	: 8;	/*  7:0		Software Free Queue Empty Threshold */
		unsigned int    hwfq_empty	: 8;	/* 15:8		Hardware Free Queue Empty Threshold */
		unsigned int	intrq		: 8;	/* 23:16 */
		unsigned int	toe_class	: 8;	/* 31:24 */
	} bits;
} QUEUE_THRESHOLD_T;


/*
 * GMAC DMA Control Register
 * GMAC0 offset 0x8000
 * GMAC1 offset 0xC000
 */
typedef union {
	unsigned int bits32;
	struct bit_8000 {
		unsigned int	td_bus		: 2;	/* bit 1:0	Peripheral Bus Width */
		unsigned int	td_burst_size	: 2;	/* bit 3:2	TxDMA max burst size for every AHB request */
		unsigned int	td_prot		: 4;	/* bit 7:4	TxDMA protection control */
		unsigned int	rd_bus		: 2;	/* bit 9:8	Peripheral Bus Width */
		unsigned int	rd_burst_size	: 2;	/* bit 11:10	DMA max burst size for every AHB request */
		unsigned int	rd_prot		: 4;	/* bit 15:12	DMA Protection Control */
		unsigned int	rd_insert_bytes	: 2;	/* bit 17:16 */
		unsigned int	reserved	: 10;	/* bit 27:18 */
		unsigned int    drop_small_ack	: 1;	/* bit 28	1: Drop, 0: Accept */
		unsigned int    loopback	: 1;	/* bit 29	Loopback TxDMA to RxDMA */
		unsigned int    td_enable	: 1;	/* bit 30	Tx DMA Enable */
		unsigned int    rd_enable	: 1;	/* bit 31	Rx DMA Enable */
	} bits;
} GMAC_DMA_CTRL_T;

/*
 * GMAC Tx Weighting Control Register 0
 * GMAC0 offset 0x8004
 * GMAC1 offset 0xC004
 */
typedef union {
	unsigned int bits32;
	struct bit_8004 {
		unsigned int    hw_tq0		: 6;	/* bit 5:0	HW TX Queue 3 */
		unsigned int    hw_tq1		: 6;	/* bit 11:6	HW TX Queue 2 */
		unsigned int    hw_tq2		: 6;	/* bit 17:12	HW TX Queue 1 */
		unsigned int    hw_tq3		: 6;	/* bit 23:18	HW TX Queue 0 */
		unsigned int    reserved	: 8;	/* bit 31:24 */
	} bits;
} GMAC_TX_WCR0_T;	/* Weighting Control Register 0 */

/*
 * GMAC Tx Weighting Control Register 1
 * GMAC0 offset 0x8008
 * GMAC1 offset 0xC008
 */
typedef union {
	unsigned int bits32;
	struct bit_8008 {
		unsigned int    sw_tq0		: 5;	/* bit 4:0	SW TX Queue 0 */
		unsigned int    sw_tq1		: 5;	/* bit 9:5	SW TX Queue 1 */
		unsigned int    sw_tq2		: 5;	/* bit 14:10	SW TX Queue 2 */
		unsigned int    sw_tq3		: 5;	/* bit 19:15	SW TX Queue 3 */
		unsigned int    sw_tq4		: 5;	/* bit 24:20	SW TX Queue 4 */
		unsigned int    sw_tq5		: 5;	/* bit 29:25	SW TX Queue 5 */
		unsigned int    reserved	: 2;	/* bit 31:30 */
	} bits;
} GMAC_TX_WCR1_T;	/* Weighting Control Register 1 */

/*
 * Queue Read/Write Pointer
 * GMAC SW TX Queue 0~5 Read/Write Pointer register
 * GMAC0 offset 0x800C ~ 0x8020
 * GMAC1 offset 0xC00C ~ 0xC020
 * GMAC HW TX Queue 0~3 Read/Write Pointer register
 * GMAC0 offset 0x8024 ~ 0x8030
 * GMAC1 offset 0xC024 ~ 0xC030
 *
 * see DMA_RWPTR_T structure
 */

/*
 * GMAC DMA Tx First Description Address Register
 * GMAC0 offset 0x8038
 * GMAC1 offset 0xC038
 */
typedef union {
	unsigned int bits32;
	struct bit_8038 {
		unsigned int reserved		:  3;
		unsigned int td_busy		:  1;	/* bit 3	1: TxDMA busy; 0: TxDMA idle */
		unsigned int td_first_des_ptr	: 28;	/* bit 31:4	first descriptor address */
	} bits;
} GMAC_TXDMA_FIRST_DESC_T;

/*
 * GMAC DMA Tx Current Description Address Register
 * GMAC0 offset 0x803C
 * GMAC1 offset 0xC03C
 */
typedef union {
	unsigned int bits32;
	struct bit_803C {
		unsigned int reserved		:  4;
		unsigned int td_curr_desc_ptr	: 28;	/* bit 31:4	current descriptor address */
	} bits;
} GMAC_TXDMA_CURR_DESC_T;

/*
 * GMAC DMA Tx Description Word 0 Register
 * GMAC0 offset 0x8040
 * GMAC1 offset 0xC040
 */
typedef union {
	unsigned int bits32;
	struct bit_8040 {
		unsigned int buffer_size	: 16;	/* bit 15:0	Transfer size */
		unsigned int desc_count		: 6;	/* bit 21:16	number of descriptors used for the current frame */
		unsigned int status_tx_ok	: 1;	/* bit 22	Tx Status, 1: Successful 0: Failed */
		unsigned int status_rvd		: 6;	/* bit 28:23	Tx Status, Reserved bits */
		unsigned int perr		: 1;	/* bit 29	protocol error during processing this descriptor */
		unsigned int derr		: 1;	/* bit 30	data error during processing this descriptor */
		unsigned int reserved		: 1;	/* bit 31 */
	} bits;
} GMAC_TXDESC_0_T;

/*
 * GMAC DMA Tx Description Word 1 Register
 * GMAC0 offset 0x8044
 * GMAC1 offset 0xC044
 */
typedef union {
	unsigned int bits32;
	struct txdesc_word1 {
		unsigned int	byte_count	: 16;	/* bit 15: 0	Tx Frame Byte Count */
		unsigned int	mtu_enable	: 1;	/* bit 16	TSS segmentation use MTU setting */
		unsigned int	ip_chksum	: 1;	/* bit 17	IPV4 Header Checksum Enable */
		unsigned int	ipv6_enable	: 1;	/* bit 18	IPV6 Tx Enable */
		unsigned int	tcp_chksum	: 1;	/* bit 19	TCP Checksum Enable */
		unsigned int	udp_chksum	: 1;	/* bit 20	UDP Checksum Enable */
		unsigned int	bypass_tss	: 1;	/* bit 21	Bypass HW offload engine */
		unsigned int	ip_fixed_len	: 1;	/* bit 22	Don't update IP length field */
		unsigned int	reserved	: 9;	/* bit 31:23	Tx Flag, Reserved */
	} bits;
} GMAC_TXDESC_1_T;

#define TSS_IP_FIXED_LEN_BIT	BIT(22)
#define TSS_BYPASS_BIT		BIT(21)
#define TSS_UDP_CHKSUM_BIT	BIT(20)
#define TSS_TCP_CHKSUM_BIT	BIT(19)
#define TSS_IPV6_ENABLE_BIT	BIT(18)
#define TSS_IP_CHKSUM_BIT	BIT(17)
#define TSS_MTU_ENABLE_BIT	BIT(16)

#define TSS_CHECKUM_ENABLE	\
	(TSS_IP_CHKSUM_BIT|TSS_IPV6_ENABLE_BIT| \
	 TSS_TCP_CHKSUM_BIT|TSS_UDP_CHKSUM_BIT)

/*
 * GMAC DMA Tx Description Word 2 Register
 * GMAC0 offset 0x8048
 * GMAC1 offset 0xC048
 */
typedef union {
	unsigned int	bits32;
	unsigned int	buf_adr;
} GMAC_TXDESC_2_T;

/*
 * GMAC DMA Tx Description Word 3 Register
 * GMAC0 offset 0x804C
 * GMAC1 offset 0xC04C
 */
typedef union {
	unsigned int bits32;
	struct txdesc_word3 {
		unsigned int	mtu_size	: 13;	/* bit 12: 0	Tx Frame Byte Count */
		unsigned int	reserved	: 16;	/* bit 28:13 */
		unsigned int	eofie		: 1;	/* bit 29	End of frame interrupt enable */
		unsigned int	sof_eof		: 2;	/* bit 31:30	11: only one, 10: first, 01: last, 00: linking */
	} bits;
} GMAC_TXDESC_3_T;
#define SOF_EOF_BIT_MASK	0x3fffffff
#define SOF_BIT			0x80000000
#define EOF_BIT			0x40000000
#define EOFIE_BIT		BIT(29)
#define MTU_SIZE_BIT_MASK	0x1fff

/*
 * GMAC Tx Descriptor
 */
typedef struct {
	GMAC_TXDESC_0_T	word0;
	GMAC_TXDESC_1_T	word1;
	GMAC_TXDESC_2_T	word2;
	GMAC_TXDESC_3_T	word3;
} GMAC_TXDESC_T;

/*
 * GMAC DMA Rx First Description Address Register
 * GMAC0 offset 0x8058
 * GMAC1 offset 0xC058
 */
typedef union {
	unsigned int bits32;
	struct bit_8058 {
		unsigned int reserved		:  3;	/* bit 2:0 */
		unsigned int rd_busy		:  1;	/* bit 3	1-RxDMA busy; 0-RxDMA idle */
		unsigned int rd_first_des_ptr	: 28;	/* bit 31:4 first descriptor address */
	} bits;
} GMAC_RXDMA_FIRST_DESC_T;

/*
 * GMAC DMA Rx Current Description Address Register
 * GMAC0 offset 0x805C
 * GMAC1 offset 0xC05C
 */
typedef union {
	unsigned int bits32;
	struct bit_805C {
		unsigned int reserved		:  4;	/* bit 3:0 */
		unsigned int rd_curr_des_ptr	: 28;	/* bit 31:4 current descriptor address */
	} bits;
} GMAC_RXDMA_CURR_DESC_T;

/*
 * GMAC DMA Rx Description Word 0 Register
 * GMAC0 offset 0x8060
 * GMAC1 offset 0xC060
 */
typedef union {
	unsigned int bits32;
	struct bit_8060 {
		unsigned int buffer_size	: 16;	/* bit 15:0  number of descriptors used for the current frame */
		unsigned int desc_count		: 6;	/* bit 21:16 number of descriptors used for the current frame */
		unsigned int status		: 4;	/* bit 24:22 Status of rx frame */
		unsigned int chksum_status	: 3;	/* bit 28:26 Check Sum Status */
		unsigned int perr		: 1;	/* bit 29	 protocol error during processing this descriptor */
		unsigned int derr		: 1;	/* bit 30	 data error during processing this descriptor */
		unsigned int drop		: 1;	/* bit 31	 TOE/CIS Queue Full dropped packet to default queue */
	} bits;
} GMAC_RXDESC_0_T;

#define		GMAC_RXDESC_0_T_derr			BIT(30)
#define		GMAC_RXDESC_0_T_perr			BIT(29)
#define		GMAC_RXDESC_0_T_chksum_status(x)	BIT((x+26))
#define		GMAC_RXDESC_0_T_status(x)		BIT((x+22))
#define		GMAC_RXDESC_0_T_desc_count(x)		BIT((x+16))

#define	RX_CHKSUM_IP_UDP_TCP_OK			0
#define	RX_CHKSUM_IP_OK_ONLY			1
#define	RX_CHKSUM_NONE				2
#define	RX_CHKSUM_IP_ERR_UNKNOWN		4
#define	RX_CHKSUM_IP_ERR			5
#define	RX_CHKSUM_TCP_UDP_ERR			6
#define RX_CHKSUM_NUM				8

#define RX_STATUS_GOOD_FRAME			0
#define RX_STATUS_TOO_LONG_GOOD_CRC		1
#define RX_STATUS_RUNT_FRAME			2
#define RX_STATUS_SFD_NOT_FOUND			3
#define RX_STATUS_CRC_ERROR			4
#define RX_STATUS_TOO_LONG_BAD_CRC		5
#define RX_STATUS_ALIGNMENT_ERROR		6
#define RX_STATUS_TOO_LONG_BAD_ALIGN		7
#define RX_STATUS_RX_ERR			8
#define RX_STATUS_DA_FILTERED			9
#define RX_STATUS_BUFFER_FULL			10
#define RX_STATUS_NUM				16

#define RX_ERROR_LENGTH(s) \
	((s) == RX_STATUS_TOO_LONG_GOOD_CRC || \
	 (s) == RX_STATUS_TOO_LONG_BAD_CRC || \
	 (s) == RX_STATUS_TOO_LONG_BAD_ALIGN)
#define RX_ERROR_OVER(s) \
	((s) == RX_STATUS_BUFFER_FULL)
#define RX_ERROR_CRC(s) \
	((s) == RX_STATUS_CRC_ERROR || \
	 (s) == RX_STATUS_TOO_LONG_BAD_CRC)
#define RX_ERROR_FRAME(s) \
	((s) == RX_STATUS_ALIGNMENT_ERROR || \
	 (s) == RX_STATUS_TOO_LONG_BAD_ALIGN)
#define RX_ERROR_FIFO(s) \
	(0)

/*
 * GMAC DMA Rx Description Word 1 Register
 * GMAC0 offset 0x8064
 * GMAC1 offset 0xC064
 */
typedef union {
	unsigned int bits32;
	struct rxdesc_word1 {
		unsigned int	byte_count	: 16;	/* bit 15: 0	Rx Frame Byte Count */
		unsigned int	sw_id		: 16;	/* bit 31:16	Software ID */
	} bits;
} GMAC_RXDESC_1_T;

/*
 * GMAC DMA Rx Description Word 2 Register
 * GMAC0 offset 0x8068
 * GMAC1 offset 0xC068
 */
typedef union {
	unsigned int	bits32;
	unsigned int	buf_adr;
} GMAC_RXDESC_2_T;

#define RX_INSERT_NONE		0
#define RX_INSERT_1_BYTE	1
#define RX_INSERT_2_BYTE	2
#define RX_INSERT_3_BYTE	3

/*
 * GMAC DMA Rx Description Word 3 Register
 * GMAC0 offset 0x806C
 * GMAC1 offset 0xC06C
 */
typedef union {
	unsigned int bits32;
	struct rxdesc_word3 {
		unsigned int	l3_offset	: 8;	/* bit 7: 0	L3 data offset */
		unsigned int	l4_offset	: 8;	/* bit 15: 8	L4 data offset */
		unsigned int	l7_offset	: 8;	/* bit 23: 16	L7 data offset */
		unsigned int	dup_ack		: 1;	/* bit 24	Duplicated ACK detected */
		unsigned int	abnormal	: 1;	/* bit 25	abnormal case found */
		unsigned int	option		: 1;	/* bit 26	IPV4 option or IPV6 extension header */
		unsigned int	out_of_seq	: 1;	/* bit 27	Out of Sequence packet */
		unsigned int	ctrl_flag	: 1;	/* bit 28	Control Flag is present */
		unsigned int	eofie		: 1;	/* bit 29	End of frame interrupt enable */
		unsigned int	sof_eof		: 2;	/* bit 31:30	11: only one, 10: first, 01: last, 00: linking */
	} bits;
} GMAC_RXDESC_3_T;

/*
 * GMAC Rx Descriptor
 */
typedef struct {
	GMAC_RXDESC_0_T	word0;
	GMAC_RXDESC_1_T	word1;
	GMAC_RXDESC_2_T	word2;
	GMAC_RXDESC_3_T	word3;
} GMAC_RXDESC_T;

/*
 * GMAC Hash Engine Enable/Action Register 0 Offset Register
 * GMAC0 offset 0x8070
 * GMAC1 offset 0xC070
 */
typedef union {
	unsigned int bits32;
	struct bit_8070 {
		unsigned int	mr0hel		: 6;	/* bit 5:0	match rule 0 hash entry size */
		unsigned int	mr0_action	: 5;	/* bit 10:6	Matching Rule 0 action offset */
		unsigned int	reserved0	: 4;	/* bit 14:11 */
		unsigned int	mr0en		: 1;	/* bit 15	Enable Matching Rule 0 */
		unsigned int	mr1hel		: 6;	/* bit 21:16	match rule 1 hash entry size */
		unsigned int	mr1_action	: 5;	/* bit 26:22	Matching Rule 1 action offset */
		unsigned int	timing		: 3;	/* bit 29:27 */
		unsigned int	reserved1	: 1;	/* bit 30 */
		unsigned int	mr1en		: 1;	/* bit 31	Enable Matching Rule 1 */
	} bits;
} GMAC_HASH_ENABLE_REG0_T;

/*
 * GMAC Hash Engine Enable/Action Register 1 Offset Register
 * GMAC0 offset 0x8074
 * GMAC1 offset 0xC074
 */
typedef union {
	unsigned int bits32;
	struct bit_8074 {
		unsigned int	mr2hel		: 6;	/* bit 5:0	match rule 2 hash entry size */
		unsigned int	mr2_action	: 5;	/* bit 10:6	Matching Rule 2 action offset */
		unsigned int	reserved2	: 4;	/* bit 14:11 */
		unsigned int	mr2en		: 1;	/* bit 15	Enable Matching Rule 2 */
		unsigned int	mr3hel		: 6;	/* bit 21:16	match rule 3 hash entry size */
		unsigned int	mr3_action	: 5;	/* bit 26:22	Matching Rule 3 action offset */
		unsigned int	reserved1	: 4;	/* bit 30:27 */
		unsigned int	mr3en		: 1;	/* bit 31	Enable Matching Rule 3 */
	} bits;
} GMAC_HASH_ENABLE_REG1_T;

/*
 * GMAC Matching Rule Control Register 0
 * GMAC0 offset 0x8078
 * GMAC1 offset 0xC078
 */
typedef union {
	unsigned int bits32;
	struct bit_8078 {
		unsigned int	sprx		: 8;	/* bit 7:0	Support Protocol Register 7:0 */
		unsigned int	reserved2	: 4;	/* bit 11:8 */
		unsigned int	tos_traffic	: 1;	/* bit 12	IPV4 TOS or IPV6 Traffice Class */
		unsigned int	flow_lable	: 1;	/* bit 13	IPV6 Flow label */
		unsigned int	ip_hdr_len	: 1;	/* bit 14	IPV4 Header length */
		unsigned int	ip_version	: 1;	/* bit 15	0: IPV4, 1: IPV6 */
		unsigned int	reserved1	: 3;	/* bit 18:16 */
		unsigned int	pppoe		: 1;	/* bit 19	PPPoE Session ID enable */
		unsigned int	vlan		: 1;	/* bit 20	VLAN ID enable */
		unsigned int	ether_type	: 1;	/* bit 21	Ethernet type enable */
		unsigned int	sa		: 1;	/* bit 22	MAC SA enable */
		unsigned int	da		: 1;	/* bit 23	MAC DA enable */
		unsigned int	priority	: 3;	/* bit 26:24	priority if multi-rules matched */
		unsigned int	port		: 1;	/* bit 27	PORT ID matching enable */
		unsigned int	l7		: 1;	/* bit 28	L7 matching enable */
		unsigned int	l4		: 1;	/* bit 29	L4 matching enable */
		unsigned int	l3		: 1;	/* bit 30	L3 matching enable */
		unsigned int	l2		: 1;	/* bit 31	L2 matching enable */
	} bits;
} GMAC_MRxCR0_T;

#define MR_L2_BIT		BIT(31)
#define MR_L3_BIT		BIT(30)
#define MR_L4_BIT		BIT(29)
#define MR_L7_BIT		BIT(28)
#define MR_PORT_BIT		BIT(27)
#define MR_PRIORITY_BIT		BIT(26)
#define MR_DA_BIT		BIT(23)
#define MR_SA_BIT		BIT(22)
#define MR_ETHER_TYPE_BIT	BIT(21)
#define MR_VLAN_BIT		BIT(20)
#define MR_PPPOE_BIT		BIT(19)
#define MR_IP_VER_BIT		BIT(15)
#define MR_IP_HDR_LEN_BIT	BIT(14)
#define MR_FLOW_LABLE_BIT	BIT(13)
#define MR_TOS_TRAFFIC_BIT	BIT(12)
#define MR_SPR_BIT(x)		BIT(x)
#define MR_SPR_BITS		0xff

/*
 * GMAC Matching Rule Control Register 1
 * GMAC0 offset 0x807C
 * GMAC1 offset 0xC07C
 */
typedef union {
	unsigned int bits32;
	struct bit_807C {
		unsigned int    l4_byte0_15	: 16;	/* bit 15: 0 */
		unsigned int	dip_netmask	: 7;	/* bit 22:16	Dest IP net mask, number of mask bits */
		unsigned int	dip		: 1;	/* bit 23		Dest IP */
		unsigned int	sip_netmask	: 7;	/* bit 30:24	Srce IP net mask, number of mask bits */
		unsigned int	sip		: 1;	/* bit 31		Srce IP */
	} bits;
} GMAC_MRxCR1_T;

/*
 * GMAC Matching Rule Control Register 2
 * GMAC0 offset 0x8080
 * GMAC1 offset 0xC080
 */
typedef union {
	unsigned int bits32;
	struct bit_8080 {
		unsigned int    l7_byte0_23	: 24;	/* bit 23:0 */
		unsigned int    l4_byte16_24	: 8;	/* bit 31: 24 */
	} bits;
} GMAC_MRxCR2_T;

/*
 * GMAC Support registers
 * GMAC0 offset 0x80A8
 * GMAC1 offset 0xC0A8
 */
typedef union {
	unsigned int bits32;
	struct bit_80A8 {
		unsigned int    protocol	: 8;	/* bit 7:0		Supported protocol */
		unsigned int    swap		: 3;	/* bit 10:8		Swap */
		unsigned int    reserved	: 21;	/* bit 31:11 */
	} bits;
} GMAC_SPR_T;

/*
 * GMAC_AHB_WEIGHT registers
 * GMAC0 offset 0x80C8
 * GMAC1 offset 0xC0C8
 */
typedef union {
	unsigned int bits32;
	struct bit_80C8 {
		unsigned int    hash_weight	: 5;	/* 4:0 */
		unsigned int    rx_weight	: 5;	/* 9:5 */
		unsigned int    tx_weight	: 5;	/* 14:10 */
		unsigned int    pre_req		: 5;	/* 19:15 Rx Data Pre Request FIFO Threshold */
		unsigned int    tqDV_threshold	: 5;	/* 24:20 DMA TqCtrl to Start tqDV FIFO Threshold */
		unsigned int    reserved	: 7;	/* 31:25 */
	} bits;
} GMAC_AHB_WEIGHT_T;

/*
 * the register structure of GMAC
 */

/*
 * GMAC RX FLTR
 * GMAC0 Offset 0xA00C
 * GMAC1 Offset 0xE00C
 */
typedef union {
	unsigned int bits32;
	struct bit1_000c {
		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
		unsigned int promiscuous	:  1;   /* enable receive of all frames */
		unsigned int error		:  1;	/* enable receive of all error frames */
		unsigned int			: 27;
	} bits;
} GMAC_RX_FLTR_T;

/*
 * GMAC Configuration 0
 * GMAC0 Offset 0xA018
 * GMAC1 Offset 0xE018
 */
typedef union {
	unsigned int bits32;
	struct bit1_0018 {
		unsigned int dis_tx		:  1;	/* 0: disable transmit */
		unsigned int dis_rx		:  1;	/* 1: disable receive */
		unsigned int loop_back		:  1;	/* 2: transmit data loopback enable */
		unsigned int flow_ctrl		:  1;   /* 3: flow control also trigged by Rx queues */
		unsigned int adj_ifg		:  4;	/* 4-7: adjust IFG from 96+/-56 */
		unsigned int max_len		:  3;	/* 8-10 maximum receive frame length allowed */
		unsigned int dis_bkoff		:  1;	/* 11: disable back-off function */
		unsigned int dis_col		:  1;	/* 12: disable 16 collisions abort function */
		unsigned int sim_test		:  1;	/* 13: speed up timers in simulation */
		unsigned int rx_fc_en		:  1;	/* 14: RX flow control enable */
		unsigned int tx_fc_en		:  1;	/* 15: TX flow control enable */
		unsigned int rgmii_en		:  1;   /* 16: RGMII in-band status enable */
		unsigned int ipv4_rx_chksum	:  1;   /* 17: IPv4 RX Checksum enable */
		unsigned int ipv6_rx_chksum	:  1;   /* 18: IPv6 RX Checksum enable */
		unsigned int rx_tag_remove	:  1;   /* 19: Remove Rx VLAN tag */
		unsigned int rgmm_edge		:  1;	/* 20 */
		unsigned int rxc_inv		:  1;	/* 21 */
		unsigned int ipv6_exthdr_order	:  1;	/* 22 */
		unsigned int rx_err_detect	:  1;	/* 23 */
		unsigned int port0_chk_hwq	:  1;	/* 24 */
		unsigned int port1_chk_hwq	:  1;	/* 25 */
		unsigned int port0_chk_toeq	:  1;	/* 26 */
		unsigned int port1_chk_toeq	:  1;	/* 27 */
		unsigned int port0_chk_classq	:  1;	/* 28 */
		unsigned int port1_chk_classq	:  1;	/* 29 */
		unsigned int reserved		:  2;	/* 31 */
	} bits;
} GMAC_CONFIG0_T;

#define CONFIG0_TX_RX_DISABLE	(BIT(1)|BIT(0))
#define CONFIG0_RX_CHKSUM	(BIT(18)|BIT(17))
#define CONFIG0_FLOW_RX		(BIT(14))
#define CONFIG0_FLOW_TX		(BIT(15))
#define CONFIG0_FLOW_TX_RX	(BIT(14)|BIT(15))
#define CONFIG0_FLOW_CTL	(BIT(14)|BIT(15))

#define CONFIG0_MAXLEN_SHIFT	8
#define CONFIG0_MAXLEN_MASK	(7 << CONFIG0_MAXLEN_SHIFT)
#define  CONFIG0_MAXLEN_1536	0
#define  CONFIG0_MAXLEN_1518	1
#define  CONFIG0_MAXLEN_1522	2
#define  CONFIG0_MAXLEN_1542	3
#define  CONFIG0_MAXLEN_9k	4	/* 9212 */
#define  CONFIG0_MAXLEN_10k	5	/* 10236 */
#define  CONFIG0_MAXLEN_1518__6	6
#define  CONFIG0_MAXLEN_1518__7	7

/*
 * GMAC Configuration 1
 * GMAC0 Offset 0xA01C
 * GMAC1 Offset 0xE01C
 */
typedef union {
	unsigned int bits32;
	struct bit1_001c {
		unsigned int set_threshold	: 8;	/* flow control set threshold */
		unsigned int rel_threshold	: 8;	/* flow control release threshold */
		unsigned int reserved		: 16;
	} bits;
} GMAC_CONFIG1_T;

#define GMAC_FLOWCTRL_SET_MAX		32
#define GMAC_FLOWCTRL_SET_MIN		0
#define GMAC_FLOWCTRL_RELEASE_MAX	32
#define GMAC_FLOWCTRL_RELEASE_MIN	0

/*
 * GMAC Configuration 2
 * GMAC0 Offset 0xA020
 * GMAC1 Offset 0xE020
 */
typedef union {
	unsigned int bits32;
	struct bit1_0020 {
		unsigned int set_threshold	: 16;	/* flow control set threshold */
		unsigned int rel_threshold	: 16;	/* flow control release threshold */
	} bits;
} GMAC_CONFIG2_T;

/*
 * GMAC Configuration 3
 * GMAC0 Offset 0xA024
 * GMAC1 Offset 0xE024
 */
typedef union {
	unsigned int bits32;
	struct bit1_0024 {
		unsigned int set_threshold	: 16;	/* flow control set threshold */
		unsigned int rel_threshold	: 16;	/* flow control release threshold */
	} bits;
} GMAC_CONFIG3_T;


/*
 * GMAC STATUS
 * GMAC0 Offset 0xA02C
 * GMAC1 Offset 0xE02C
 */
typedef union {
	unsigned int bits32;
	struct bit1_002c {
		unsigned int link		:  1;	/* link status */
		unsigned int speed		:  2;	/* link speed(00->2.5M 01->25M 10->125M) */
		unsigned int duplex		:  1;	/* duplex mode */
		unsigned int reserved		:  1;
		unsigned int mii_rmii		:  2;   /* PHY interface type */
		unsigned int			: 25;
	} bits;
} GMAC_STATUS_T;

#define GMAC_SPEED_10			0
#define GMAC_SPEED_100			1
#define GMAC_SPEED_1000			2

#define GMAC_PHY_MII			0
#define GMAC_PHY_GMII			1
#define GMAC_PHY_RGMII_100_10		2
#define GMAC_PHY_RGMII_1000		3

/*
 * Queue Header
 *	(1) TOE Queue Header
 *	(2) Non-TOE Queue Header
 *	(3) Interrupt Queue Header
 *
 * memory Layout
 *	TOE Queue Header
 *		     0x60003000 +---------------------------+ 0x0000
 *				|     TOE Queue 0 Header    |
 *				|         8 * 4 Bytes	    |
 *				+---------------------------+ 0x0020
 *				|     TOE Queue 1 Header    |
 *				|         8 * 4 Bytes	    |
 *				+---------------------------+ 0x0040
 *				|          ......           |
 *				|                           |
 *				+---------------------------+
 *
 *	Non TOE Queue Header
 *		     0x60002000 +---------------------------+ 0x0000
 *				|   Default Queue 0 Header  |
 *				|         2 * 4 Bytes       |
 *				+---------------------------+ 0x0008
 *				|   Default Queue 1 Header  |
 *				|         2 * 4 Bytes       |
 *				+---------------------------+ 0x0010
 *				|   Classification Queue 0  |
 *				|	  2 * 4 Bytes       |
 *				+---------------------------+
 *				|   Classification Queue 1  |
 *				|	  2 * 4 Bytes       |
 *				+---------------------------+ (n * 8 + 0x10)
 *				|		...	    |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+ (13 * 8 + 0x10)
 *				|   Classification Queue 13 |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+ 0x80
 *				|      Interrupt Queue 0    |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+
 *				|      Interrupt Queue 1    |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+
 *				|      Interrupt Queue 2    |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+
 *				|      Interrupt Queue 3    |
 *				|	  2 * 4 Bytes	    |
 *				+---------------------------+
 *
 */
#define TOE_QUEUE_HDR_ADDR(n)		(TOE_TOE_QUE_HDR_BASE + n * 32)
#define TOE_Q_HDR_AREA_END		(TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1))
#define TOE_DEFAULT_Q_HDR_BASE(x)	(TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x))
#define TOE_CLASS_Q_HDR_BASE		(TOE_NONTOE_QUE_HDR_BASE + 0x10)
#define TOE_INTR_Q_HDR_BASE		(TOE_NONTOE_QUE_HDR_BASE + 0x80)
#define INTERRUPT_QUEUE_HDR_ADDR(n)	(TOE_INTR_Q_HDR_BASE + n * 8)
#define NONTOE_Q_HDR_AREA_END		(INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1))
/*
 * TOE Queue Header Word 0
 */
typedef union {
	unsigned int bits32;
	unsigned int base_size;
} TOE_QHDR0_T;

#define TOE_QHDR0_BASE_MASK	(~0x0f)

/*
 * TOE Queue Header Word 1
 */
typedef union {
	unsigned int bits32;
	struct bit_qhdr1 {
		unsigned int rptr	: 16;	/* bit 15:0 */
		unsigned int wptr	: 16;	/* bit 31:16 */
	} bits;
} TOE_QHDR1_T;

/*
 * TOE Queue Header Word 2
 */
typedef union {
	unsigned int bits32;
	struct bit_qhdr2 {
		unsigned int TotalPktSize	: 17;	/* bit 16: 0	Total packet size */
		unsigned int reserved		: 7;	/* bit 23:17 */
		unsigned int dack		: 1;	/* bit 24	1: Duplicated ACK */
		unsigned int abn		: 1;	/* bit 25	1: Abnormal case Found */
		unsigned int tcp_opt		: 1;	/* bit 26	1: Have TCP option */
		unsigned int ip_opt		: 1;	/* bit 27	1: have IPV4 option or IPV6 Extension header */
		unsigned int sat		: 1;	/* bit 28	1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold */
		unsigned int osq		: 1;	/* bit 29	1: out of sequence */
		unsigned int ctl		: 1;	/* bit 30	1: have control flag bits (except ack) */
		unsigned int usd		: 1;	/* bit 31	0: if no data assembled yet */
	} bits;
} TOE_QHDR2_T;

/*
 * TOE Queue Header Word 3
 */
typedef union {
	unsigned int bits32;
	unsigned int seq_num;
} TOE_QHDR3_T;

/*
 * TOE Queue Header Word 4
 */
typedef union {
	unsigned int bits32;
	unsigned int ack_num;
} TOE_QHDR4_T;

/*
 * TOE Queue Header Word 5
 */
typedef union {
	unsigned int bits32;
	struct bit_qhdr5 {
		unsigned int AckCnt	: 16;	/* bit 15:0 */
		unsigned int SeqCnt	: 16;	/* bit 31:16 */
	} bits;
} TOE_QHDR5_T;

/*
 * TOE Queue Header Word 6
 */
typedef union {
	unsigned int bits32;
	struct bit_qhdr6 {
		unsigned int WinSize	: 16;	/* bit 15:0 */
		unsigned int iq_num	: 2;	/* bit 17:16 */
		unsigned int MaxPktSize	: 14;	/* bit 31:18 */
	} bits;
} TOE_QHDR6_T;

/*
 * TOE Queue Header Word 7
 */
typedef union {
	unsigned int bits32;
	struct bit_qhdr7 {
		unsigned int AckThreshold	: 16;	/* bit 15:0 */
		unsigned int SeqThreshold	: 16;	/* bit 31:16 */
	} bits;
} TOE_QHDR7_T;

/*
 * TOE Queue Header
 */
typedef struct {
	TOE_QHDR0_T		word0;
	TOE_QHDR1_T		word1;
	TOE_QHDR2_T		word2;
	TOE_QHDR3_T		word3;
	TOE_QHDR4_T		word4;
	TOE_QHDR5_T		word5;
	TOE_QHDR6_T		word6;
	TOE_QHDR7_T		word7;
} TOE_QHDR_T;

/*
 * NONTOE Queue Header Word 0
 */
typedef union {
	unsigned int bits32;
	unsigned int base_size;
} NONTOE_QHDR0_T;

#define NONTOE_QHDR0_BASE_MASK	(~0x0f)

/*
 * NONTOE Queue Header Word 1
 */
typedef union {
	unsigned int bits32;
	struct bit_nonqhdr1 {
		unsigned int rptr	: 16;	/* bit 15:0 */
		unsigned int wptr	: 16;	/* bit 31:16 */
	} bits;
} NONTOE_QHDR1_T;

/*
 * Non-TOE Queue Header
 */
typedef struct {
	NONTOE_QHDR0_T		word0;
	NONTOE_QHDR1_T		word1;
} NONTOE_QHDR_T;

/*
 * Interrupt Queue Header Word 0
 */
typedef union {
	unsigned int bits32;
	struct bit_intrqhdr0 {
		unsigned int win_size	: 16;	/* bit 15:0	Descriptor Ring Size */
		unsigned int wptr	: 16;	/* bit 31:16	Write Pointer where hw stopped */
	} bits;
} INTR_QHDR0_T;

/*
 * Interrupt Queue Header Word 1
 */
typedef union {
	unsigned int bits32;
	struct bit_intrqhdr1 {
		unsigned int TotalPktSize	: 17;	/* bit 16: 0	Total packet size */
		unsigned int tcp_qid		: 8;	/* bit 24:17	TCP Queue ID */
		unsigned int dack		: 1;	/* bit 25	1: Duplicated ACK */
		unsigned int abn		: 1;	/* bit 26	1: Abnormal case Found */
		unsigned int tcp_opt		: 1;	/* bit 27	1: Have TCP option */
		unsigned int ip_opt		: 1;	/* bit 28	1: have IPV4 option or IPV6 Extension header */
		unsigned int sat		: 1;	/* bit 29	1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold */
		unsigned int osq		: 1;	/* bit 30	1: out of sequence */
		unsigned int ctl		: 1;	/* bit 31	1: have control flag bits (except ack) */
	} bits;
} INTR_QHDR1_T;

/*
 * Interrupt Queue Header Word 2
 */
typedef union {
	unsigned int bits32;
	unsigned int seq_num;
} INTR_QHDR2_T;

/*
 * Interrupt Queue Header Word 3
 */
typedef union {
	unsigned int bits32;
	unsigned int ack_num;
} INTR_QHDR3_T;

/*
 * Interrupt Queue Header Word 4
 */
typedef union {
	unsigned int bits32;
	struct bit_intrqhdr4 {
		unsigned int AckCnt		: 16;	/* bit 15:0	Ack# change since last ack# intr. */
		unsigned int SeqCnt		: 16;	/* bit 31:16	Seq# change since last seq# intr. */
	} bits;
} INTR_QHDR4_T;

/*
 * Interrupt Queue Header
 */
typedef struct {
	INTR_QHDR0_T		word0;
	INTR_QHDR1_T		word1;
	INTR_QHDR2_T		word2;
	INTR_QHDR3_T		word3;
	INTR_QHDR4_T		word4;
	unsigned int		word5;
	unsigned int		word6;
	unsigned int		word7;
} INTR_QHDR_T;

#endif /* _GMAC_SL351x_H */