[people/ms/u-boot.git] / drivers / block / ftide020.h

/*
 * Faraday FTIDE020_s ATA Controller (AHB)
 *
 * (C) Copyright 2011 Andes Technology
 * Greentime Hu <greentime@andestech.com>
 * Macpaul Lin <macpaul@andestech.com>
 * Kuo-Wei Chou <kwchou@andestech.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __FTIDE020_H
#define __FTIDE020_H

/* ftide020.h - ide support functions for the FTIDE020_S controller */

/* ATA controller register offset */
struct ftide020_s {
	unsigned int	rw_fifo;	/* 0x00 - READ/WRITE FIFO	*/
	unsigned int	cmd_fifo;	/* 0x04 - R: Status Reg, W: CMD_FIFO */
	unsigned int	cr;		/* 0x08 - Control Reg		*/
	unsigned int	dmatirr;	/* 0x0c - DMA Threshold/Interrupt Reg */
	unsigned int	ctrd0;		/* 0x10 - Command Timing Reg Device 0 */
	unsigned int	dtrd0;		/* 0x14 - Data Timing Reg Device 0 */
	unsigned int	ctrd1;		/* 0x18 - Command Timing Reg Device 1 */
	unsigned int	dtrd1;		/* 0x1c - Data Timing Reg Device 1 */
	unsigned int	ahbtr;		/* 0x20 - AHB Timeout Reg	*/
	unsigned int	RESVD0;		/* 0x24 */
	unsigned int	RESVD1;		/* 0x28 */
	unsigned int	RESVD2;		/* 0x2c */
	unsigned int	f_cfifo;	/* 0x30 - Feature Info of CMD_FIFO */
	unsigned int	f_wfifo;	/* 0x34 - Feature Info of WRITE_FIFO */
	unsigned int	f_rfifo;	/* 0x3c - Feature Info of READ_FIFO */
	unsigned int	revision;	/* 0x38 - Revision No. of FTIDE020_S */
};

/* reference parameters */
#define CONFIG_IDE_REG_CS	0x2	/* ref: ATA spec chaper 10, table 42 */
#define CONFIG_CTRD1_PROBE_T1	0x2
#define CONFIG_CTRD1_PROBE_T2	0x5

/* status register - 0x04 */
#define STATUS_CSEL		(1 << 0)	/* CSEL			*/
#define STATUS_CS(x)		(((x) >> 1) & 0x3)	/* CS#[1:0]	*/
#define STATUS_DMACK		(1 << 3)	/* DMACK#		*/
#define STATUS_DMARQ		(1 << 4)	/* DMA req		*/
#define STATUS_INTRQ		(1 << 5)	/* INT req		*/
#define STATUS_DIOR		(1 << 6)	/* DIOR			*/
#define STATUS_IORDY		(1 << 7)	/* I/O ready		*/
#define STATUS_DIOW		(1 << 8)	/* DIOW#		*/
#define STATUS_PDIAG		(1 << 9)	/* PDIAG		*/
#define STATUS_DASP		(1 << 10)	/* DASP#		*/
#define STATUS_DEV		(1 << 11)	/* selected device	*/
#define STATUS_PIO		(1 << 12)	/* PIO in progress	*/
#define STATUS_DMA		(1 << 13)	/* DMA in progress	*/
#define STATUS_WFE		(1 << 14)	/* write fifo full	*/
#define STATUS_RFE		(1 << 15)	/* read fifo empty	*/
#define STATUS_COUNTER(x)	(((x) >> 16) & 0x3fff)	/* data tx counter */
#define STATUS_ERR		(1 << 30)	/* trasfer terminated	*/
#define STATUS_AER		(1 << 31)	/* AHB timeout indicate	*/

/* Control register - 0x08 */
#define CONTROL_TYPE_PIO	0x0
#define CONTROL_TYPE_UDMA	0x1

/* Device 0 */
#define CONTROL_TYP0(x)		(((x) & 0x7) << 0)
#define CONTROL_IRE0		(1 << 3) /* enable IORDY for PIO */
#define CONTROL_RESVD_DW0	(1 << 4) /* Reserved - DW0 ?	*/
#define CONTROL_E0		(1 << 5) /* E0: 1: Big Endian	*/
#define CONTROL_RESVD_WP0	(1 << 6) /* Reserved - WP0 ?	*/
#define CONTROL_RESVD_SE0	(1 << 7) /* Reserved - SE0 ?	*/
#define CONTROL_RESVD_ECC0	(1 << 8) /* Reserved - ECC0 ?	*/

#define CONTROL_RAEIE		(1 << 9)  /* IRQ - read fifo almost full */
#define CONTROL_RNEIE		(1 << 10) /* IRQ - read fifo not empty	*/
#define CONTROL_WAFIE		(1 << 11) /* IRQ - write fifo almost empty */
#define CONTROL_WNFIE		(1 << 12) /* IRQ - write fifo not full	*/
#define CONTROL_RESVD_FIRQ	(1 << 13) /* RESERVED - FIRQ ?		*/
#define CONTROL_AERIE		(1 << 14) /* IRQ - AHB timeout error	*/
#define CONTROL_IIE		(1 << 15) /* IDE IRQ enable		*/

/* Device 1 */
#define CONTROL_TYP1(x)		(((x) & 0x7) << 16)
#define CONTROL_IRE1		(1 << 19)	/* enable IORDY for PIO */
#define CONTROL_RESVD_DW1	(1 << 20)	/* Reserved - DW1 ?	*/
#define CONTROL_E1		(1 << 21)	/* E1: 1: Big Endian	*/
#define CONTROL_RESVD_WP1	(1 << 22)	/* Reserved - WP1 ?	*/
#define CONTROL_RESVD_SE1	(1 << 23)	/* Reserved - SE1 ?	*/
#define CONTROL_RESVD_ECC1	(1 << 24)	/* Reserved - ECC1 ?	*/

#define CONTROL_DRE	(1 << 25)	/* DMA receive enable		*/
#define CONTROL_DTE	(1 << 26)	/* DMA transmit enable		*/
#define CONTRIL_RESVD	(1 << 27)
#define CONTROL_TERIE	(1 << 28)	/* transfer terminate error IRQ	*/
#define CONTROL_T	(1 << 29)	/* terminate current operation	*/
#define CONTROL_SRST	(1 << 30)	/* IDE soft reset		*/
#define CONTROL_RST	(1 << 31)	/* IDE hardware reset		*/

/* IRQ register - 0x0c */
#define IRQ_RXTHRESH(x)	(((x) & 0x3ff) << 0)	/* Read FIFO threshold	*/
#define IRQ_RFAEIRQ	(1 << 10)	/* Read FIFO almost full intr req */
#define IRQ_RFNEIRQ	(1 << 11)	/* Read FIFO not empty intr req	*/
#define IRQ_WFAFIRQ	(1 << 12)	/* Write FIFO almost empty int req */
#define IRQ_WFNFIRQ	(1 << 13)	/* Write FIFO not full intr req	*/
#define IRQ_RESVD_FIRQ	(1 << 14)	/* Reserved - FIRQ ?		*/
#define IRQ_IIRQ	(1 << 15)	/* IDE device interrupt request	*/
#define IRQ_TXTHRESH(x)	(((x) & 0x3ff) << 16)	/* Write FIFO thershold	*/
#define IRQ_TERMERR	(1 << 28)	/* Transfer termination indication */
#define IRQ_AHBERR	(1 << 29)	/* AHB Timeout indication	*/

/* Command Timing Register 0-1: ctrd (0x10, 0x18) */
#define CT_REG_T1(x)	(((x) & 0xff) << 0)	/* setup time of addressed  */
#define CT_REG_T2(x)	(((x) & 0xff) << 8)	/* pluse width of DIOR/DIOW */
#define CT_REG_T4(x)	(((x) & 0xff) << 16)	/* data hold time */
#define CT_REG_TEOC(x)	(((x) & 0xff) << 24)	/* time to the end of a cycle */

/* Data Timing Register 0-1: dtrd (0x14, 0x1c) */
/*
 * PIO mode:
 *	b(0:7)		DT_REG_PIO_T1: the setup time of addressed
 *	b(8:15)		DT_REG_PIO_T2: the pluse width of DIOR/DIOW
 *	b(16:23)	DT_REG_PIO_T4: data hold time
 *	b(24:31)	DT_REG_PIO_TEOC: the time to the end of a cycle
 */
#define DT_REG_PIO_T1(x)	(((x) & 0xff) << 0)
#define DT_REG_PIO_T2(x)	(((x) & 0xff) << 8)
#define DT_REG_PIO_T4(x)	(((x) & 0xff) << 16)
#define DT_REG_PIO_TEOC(x)	(((x) & 0xff) << 24)

/*
 * UDMA mode:
 *	b(0:3)		DT_REG_UDMA_TENV: the envelope time
 *	b(4:7)		DT_REG_UDMA_TMLI: interlock time
 *	b(8:15)		DT_REG_UDMA_TCYC: cycle time - data time
 *	b(16:19)	DT_REG_UDMA_TACK: setup and hold time of DMACK
 *	b(23:30)	DT_REG_UDMA_TCVS: setup time of CRC
 *	b(24:31)	DT_REG_UDMA_TRP: time to ready to pause
 */
#define DT_REG_UDMA_TENV(x)	(((x) & 0xf) << 0)
#define DT_REG_UDMA_TMLI(x)	(((x) & 0xf) << 4)
#define DT_REG_UDMA_TCYC(x)	(((x) & 0xff) << 8)
#define DT_REG_UDMA_TACK(x)	(((x) & 0xf) << 16)
#define DT_REG_UDMA_TCVS(x)	(((x) & 0xf) << 20)
#define DT_REG_UDMA_TRP(x)	(((x) & 0xff) << 24)

/* ftide020_s command formats */
/* read: IDE Register (CF1) */
#define IDE_REG_OPCODE_READ	(1 << 13)		/* 0x2000 */
#define IDE_REG_CS_READ(x)	(((x) & 0x3) << 11)
#define IDE_REG_DA_READ(x)	(((x) & 0x7) << 8)
#define IDE_REG_CMD_READ(x)	0x0			/* fixed value */

/* write: IDE Register (CF2) */
#define IDE_REG_OPCODE_WRITE	(0x5 << 13)		/* 0xA000 */
#define IDE_REG_CS_WRITE(x)	(((x) & 0x3) << 11)
#define IDE_REG_DA_WRITE(x)	(((x) & 0x7) << 8)
/* b(0:7) IDE_REG_CMD_WRITE(x):	Actual ATA command or data */
#define IDE_REG_CMD_WRITE(x)	(((x) & 0xff) << 0)

/* read/write data: PIO/UDMA (CF3) */
#define IDE_DATA_WRITE		(1 << 15)		/* read: 0, write: 1 */
#define IDE_DATA_OPCODE		(0x2 << 13)	/* device data access opcode */
/* b(0:12) IDE_DATA_COUNTER(x): Number of transfers minus 1 */
#define IDE_DATA_COUNTER(x)	(((x) & 0x1fff) << 0)

/* set device: (CF4) */
#define IDE_SET_OPCODE	(0x2740 << 2)			/* [15:2], 0x9d00 */
/* CF3 counter value: 0: Tx in bytes, 1: in blocks (each block is 8 bytes) */
#define IDE_SET_CX8(x)	(((x) & 0x1) << 1)
#define IDE_SET_DEV(x)	(((x) & 0x1) << 0)	/* 0: Master, 1: Slave */

/*
 * IDE command bit definition
 * This section is designed for minor hardware revision compatibility.
 */
#define READ_REG_CMD	IDE_REG_OPCODE_READ			/* 0x2000 */
#define WRITE_REG_CMD	IDE_REG_OPCODE_WRITE			/* 0xA000 */
#define READ_DATA_CMD	IDE_DATA_OPCODE				/* 0x4000 */
#define WRITE_DATA_CMD	(IDE_DATA_OPCODE | IDE_DATA_WRITE)	/* 0xC000 */
#define SET_DEV_CMD	IDE_SET_OPCODE				/* 0x9D00 */

#define TATOL_TIMING		3
#define CMD_TIMING		0
#define PIO_TIMING		1
#define DMA_TIMING		2

/* Timing Parameters */
/* Register Access Timing Parameters */
#define REG_PARAMETER		4
#define REG_T0			0
#define REG_T1			1
#define REG_T2			2
#define REG_T4			3

#define REG_MODE		5
#define REG_MODE0		0
#define REG_MODE1		1
#define REG_MODE2		2
#define REG_MODE3		3
#define REG_MODE4		4

/* PIO Access Timing Parameters */
#define PIO_PARAMETER		4
#define PIO_T0			0
#define PIO_T1			1
#define PIO_T2			2
#define PIO_T4			3

#define PIO_MODE		5
#define PIO_MODE0		0
#define PIO_MODE1		1
#define PIO_MODE2		2
#define PIO_MODE3		3
#define PIO_MODE4		4

/* UDMA Access Timing Parameters */
#define UDMA_PARAMETER		6
#define UDMA_TCYC		0
#define UDMA_TCVS		1
#define UDMA_TMLI		2
#define UDMA_TENV		3
#define UDMA_TRP		4
#define UDMA_TACK		5

#define UDMA_MODE		7
#define UDMA_MODE0		0
#define UDMA_MODE1		1
#define UDMA_MODE2		2
#define UDMA_MODE3		3
#define UDMA_MODE4		4
#define UDMA_MODE5		5
#define UDMA_MODE6		6

/*
 * RX_THRESH:
 * hardware limitation: max = 8, should support 1,4,8,16,32,64,128,256
 */
#define RX_THRESH		8
#define WRITE_FIFO		32	/* Hardwired value */

/* Time Table */
unsigned int REG_ACCESS_TIMING[REG_PARAMETER][REG_MODE] = {
	{600,	383,	330,	180,	120},
	{70,	50,	30,	30,	25},
	{290,	290,	290,	80,	70},
	{30,	20,	15,	10,	10},
};

unsigned int PIO_ACCESS_TIMING[PIO_PARAMETER][PIO_MODE] = {
	{600,	383,	240,	180,	120},
	{70,	50,	30,	30,	25},
	{165,	125,	100,	80,	70},
	{30,	20,	15,	10,	10},
};

unsigned int UDMA_ACCESS_TIMING[UDMA_PARAMETER][UDMA_MODE] = {
	{1120,	730,	540,	390,	250,	168,	130}, /* 10X */
	{700,	480,	310,	200,	67,	100,	100}, /* 10X */
	{200,	200,	200,	200,	200,	200,	200}, /* 10X */
	{200,	200,	200,	200,	200,	200,	200}, /* 10X */
	{1600,	1250,	1000,	1000,	1000,	850,	850}, /* 10X */
	{200,	200,	200,	200,	200,	200,	200}, /* 10X */
};

#endif /* __FTIDE020_H */
Commit	Line	Data
4bed7265 ML	1	/*
	2	* Faraday FTIDE020_s ATA Controller (AHB)
	3	*
	4	* (C) Copyright 2011 Andes Technology
	5	* Greentime Hu <greentime@andestech.com>
	6	* Macpaul Lin <macpaul@andestech.com>
	7	* Kuo-Wei Chou <kwchou@andestech.com>
	8	*
1a459660	9	* SPDX-License-Identifier: GPL-2.0+
4bed7265 ML	10	*/
	11
	12	#ifndef __FTIDE020_H
	13	#define __FTIDE020_H
	14
	15	/* ftide020.h - ide support functions for the FTIDE020_S controller */
	16
	17	/* ATA controller register offset */
	18	struct ftide020_s {
	19	unsigned int rw_fifo; /* 0x00 - READ/WRITE FIFO */
	20	unsigned int cmd_fifo; /* 0x04 - R: Status Reg, W: CMD_FIFO */
	21	unsigned int cr; /* 0x08 - Control Reg */
	22	unsigned int dmatirr; /* 0x0c - DMA Threshold/Interrupt Reg */
	23	unsigned int ctrd0; /* 0x10 - Command Timing Reg Device 0 */
	24	unsigned int dtrd0; /* 0x14 - Data Timing Reg Device 0 */
	25	unsigned int ctrd1; /* 0x18 - Command Timing Reg Device 1 */
	26	unsigned int dtrd1; /* 0x1c - Data Timing Reg Device 1 */
	27	unsigned int ahbtr; /* 0x20 - AHB Timeout Reg */
	28	unsigned int RESVD0; /* 0x24 */
	29	unsigned int RESVD1; /* 0x28 */
	30	unsigned int RESVD2; /* 0x2c */
	31	unsigned int f_cfifo; /* 0x30 - Feature Info of CMD_FIFO */
	32	unsigned int f_wfifo; /* 0x34 - Feature Info of WRITE_FIFO */
	33	unsigned int f_rfifo; /* 0x3c - Feature Info of READ_FIFO */
	34	unsigned int revision; /* 0x38 - Revision No. of FTIDE020_S */
	35	};
	36
	37	/* reference parameters */
	38	#define CONFIG_IDE_REG_CS 0x2 /* ref: ATA spec chaper 10, table 42 */
	39	#define CONFIG_CTRD1_PROBE_T1 0x2
	40	#define CONFIG_CTRD1_PROBE_T2 0x5
	41
	42	/* status register - 0x04 */
	43	#define STATUS_CSEL (1 << 0) /* CSEL */
	44	#define STATUS_CS(x) (((x) >> 1) & 0x3) /* CS#[1:0] */
	45	#define STATUS_DMACK (1 << 3) /* DMACK# */
	46	#define STATUS_DMARQ (1 << 4) /* DMA req */
	47	#define STATUS_INTRQ (1 << 5) /* INT req */
	48	#define STATUS_DIOR (1 << 6) /* DIOR */
	49	#define STATUS_IORDY (1 << 7) /* I/O ready */
	50	#define STATUS_DIOW (1 << 8) /* DIOW# */
	51	#define STATUS_PDIAG (1 << 9) /* PDIAG */
	52	#define STATUS_DASP (1 << 10) /* DASP# */
	53	#define STATUS_DEV (1 << 11) /* selected device */
	54	#define STATUS_PIO (1 << 12) /* PIO in progress */
	55	#define STATUS_DMA (1 << 13) /* DMA in progress */
	56	#define STATUS_WFE (1 << 14) /* write fifo full */
	57	#define STATUS_RFE (1 << 15) /* read fifo empty */
	58	#define STATUS_COUNTER(x) (((x) >> 16) & 0x3fff) /* data tx counter */
	59	#define STATUS_ERR (1 << 30) /* trasfer terminated */
	60	#define STATUS_AER (1 << 31) /* AHB timeout indicate */
	61
	62	/* Control register - 0x08 */
	63	#define CONTROL_TYPE_PIO 0x0
	64	#define CONTROL_TYPE_UDMA 0x1
	65
	66	/* Device 0 */
	67	#define CONTROL_TYP0(x) (((x) & 0x7) << 0)
	68	#define CONTROL_IRE0 (1 << 3) /* enable IORDY for PIO */
	69	#define CONTROL_RESVD_DW0 (1 << 4) /* Reserved - DW0 ? */
	70	#define CONTROL_E0 (1 << 5) /* E0: 1: Big Endian */
	71	#define CONTROL_RESVD_WP0 (1 << 6) /* Reserved - WP0 ? */
	72	#define CONTROL_RESVD_SE0 (1 << 7) /* Reserved - SE0 ? */
	73	#define CONTROL_RESVD_ECC0 (1 << 8) /* Reserved - ECC0 ? */
74
75	#define CONTROL_RAEIE (1 << 9) /* IRQ - read fifo almost full */
76	#define CONTROL_RNEIE (1 << 10) /* IRQ - read fifo not empty */
77	#define CONTROL_WAFIE (1 << 11) /* IRQ - write fifo almost empty */
78	#define CONTROL_WNFIE (1 << 12) /* IRQ - write fifo not full */
79	#define CONTROL_RESVD_FIRQ (1 << 13) /* RESERVED - FIRQ ? */
80	#define CONTROL_AERIE (1 << 14) /* IRQ - AHB timeout error */
81	#define CONTROL_IIE (1 << 15) /* IDE IRQ enable */
82
83	/* Device 1 */
84	#define CONTROL_TYP1(x) (((x) & 0x7) << 16)
85	#define CONTROL_IRE1 (1 << 19) /* enable IORDY for PIO */
86	#define CONTROL_RESVD_DW1 (1 << 20) /* Reserved - DW1 ? */
87	#define CONTROL_E1 (1 << 21) /* E1: 1: Big Endian */
88	#define CONTROL_RESVD_WP1 (1 << 22) /* Reserved - WP1 ? */
89	#define CONTROL_RESVD_SE1 (1 << 23) /* Reserved - SE1 ? */
90	#define CONTROL_RESVD_ECC1 (1 << 24) /* Reserved - ECC1 ? */
91
92	#define CONTROL_DRE (1 << 25) /* DMA receive enable */
93	#define CONTROL_DTE (1 << 26) /* DMA transmit enable */
94	#define CONTRIL_RESVD (1 << 27)
95	#define CONTROL_TERIE (1 << 28) /* transfer terminate error IRQ */
96	#define CONTROL_T (1 << 29) /* terminate current operation */
97	#define CONTROL_SRST (1 << 30) /* IDE soft reset */
98	#define CONTROL_RST (1 << 31) /* IDE hardware reset */
99
100	/* IRQ register - 0x0c */
101	#define IRQ_RXTHRESH(x) (((x) & 0x3ff) << 0) /* Read FIFO threshold */
102	#define IRQ_RFAEIRQ (1 << 10) /* Read FIFO almost full intr req */
103	#define IRQ_RFNEIRQ (1 << 11) /* Read FIFO not empty intr req */
104	#define IRQ_WFAFIRQ (1 << 12) /* Write FIFO almost empty int req */
105	#define IRQ_WFNFIRQ (1 << 13) /* Write FIFO not full intr req */
106	#define IRQ_RESVD_FIRQ (1 << 14) /* Reserved - FIRQ ? */
107	#define IRQ_IIRQ (1 << 15) /* IDE device interrupt request */
108	#define IRQ_TXTHRESH(x) (((x) & 0x3ff) << 16) /* Write FIFO thershold */
109	#define IRQ_TERMERR (1 << 28) /* Transfer termination indication */
110	#define IRQ_AHBERR (1 << 29) /* AHB Timeout indication */
111
112	/* Command Timing Register 0-1: ctrd (0x10, 0x18) */
113	#define CT_REG_T1(x) (((x) & 0xff) << 0) /* setup time of addressed */
114	#define CT_REG_T2(x) (((x) & 0xff) << 8) /* pluse width of DIOR/DIOW */
115	#define CT_REG_T4(x) (((x) & 0xff) << 16) /* data hold time */
116	#define CT_REG_TEOC(x) (((x) & 0xff) << 24) /* time to the end of a cycle */
117
118	/* Data Timing Register 0-1: dtrd (0x14, 0x1c) */
119	/*
120	* PIO mode:
121	* b(0:7) DT_REG_PIO_T1: the setup time of addressed
122	* b(8:15) DT_REG_PIO_T2: the pluse width of DIOR/DIOW
123	* b(16:23) DT_REG_PIO_T4: data hold time
124	* b(24:31) DT_REG_PIO_TEOC: the time to the end of a cycle
125	*/
126	#define DT_REG_PIO_T1(x) (((x) & 0xff) << 0)
127	#define DT_REG_PIO_T2(x) (((x) & 0xff) << 8)
128	#define DT_REG_PIO_T4(x) (((x) & 0xff) << 16)
129	#define DT_REG_PIO_TEOC(x) (((x) & 0xff) << 24)
130
131	/*
132	* UDMA mode:
133	* b(0:3) DT_REG_UDMA_TENV: the envelope time
134	* b(4:7) DT_REG_UDMA_TMLI: interlock time
135	* b(8:15) DT_REG_UDMA_TCYC: cycle time - data time
136	* b(16:19) DT_REG_UDMA_TACK: setup and hold time of DMACK
137	* b(23:30) DT_REG_UDMA_TCVS: setup time of CRC
138	* b(24:31) DT_REG_UDMA_TRP: time to ready to pause
139	*/
140	#define DT_REG_UDMA_TENV(x) (((x) & 0xf) << 0)
141	#define DT_REG_UDMA_TMLI(x) (((x) & 0xf) << 4)
142	#define DT_REG_UDMA_TCYC(x) (((x) & 0xff) << 8)
143	#define DT_REG_UDMA_TACK(x) (((x) & 0xf) << 16)
144	#define DT_REG_UDMA_TCVS(x) (((x) & 0xf) << 20)
145	#define DT_REG_UDMA_TRP(x) (((x) & 0xff) << 24)
146
147	/* ftide020_s command formats */
148	/* read: IDE Register (CF1) */
149	#define IDE_REG_OPCODE_READ (1 << 13) /* 0x2000 */
150	#define IDE_REG_CS_READ(x) (((x) & 0x3) << 11)
151	#define IDE_REG_DA_READ(x) (((x) & 0x7) << 8)
152	#define IDE_REG_CMD_READ(x) 0x0 /* fixed value */
153
154	/* write: IDE Register (CF2) */
155	#define IDE_REG_OPCODE_WRITE (0x5 << 13) /* 0xA000 */
156	#define IDE_REG_CS_WRITE(x) (((x) & 0x3) << 11)
157	#define IDE_REG_DA_WRITE(x) (((x) & 0x7) << 8)
158	/* b(0:7) IDE_REG_CMD_WRITE(x): Actual ATA command or data */
159	#define IDE_REG_CMD_WRITE(x) (((x) & 0xff) << 0)
160
161	/* read/write data: PIO/UDMA (CF3) */
162	#define IDE_DATA_WRITE (1 << 15) /* read: 0, write: 1 */
163	#define IDE_DATA_OPCODE (0x2 << 13) /* device data access opcode */
164	/* b(0:12) IDE_DATA_COUNTER(x): Number of transfers minus 1 */
165	#define IDE_DATA_COUNTER(x) (((x) & 0x1fff) << 0)
166
167	/* set device: (CF4) */
168	#define IDE_SET_OPCODE (0x2740 << 2) /* [15:2], 0x9d00 */
169	/* CF3 counter value: 0: Tx in bytes, 1: in blocks (each block is 8 bytes) */
170	#define IDE_SET_CX8(x) (((x) & 0x1) << 1)
171	#define IDE_SET_DEV(x) (((x) & 0x1) << 0) /* 0: Master, 1: Slave */
172
173	/*
174	* IDE command bit definition
175	* This section is designed for minor hardware revision compatibility.
176	*/
177	#define READ_REG_CMD IDE_REG_OPCODE_READ /* 0x2000 */
178	#define WRITE_REG_CMD IDE_REG_OPCODE_WRITE /* 0xA000 */
179	#define READ_DATA_CMD IDE_DATA_OPCODE /* 0x4000 */
180	#define WRITE_DATA_CMD (IDE_DATA_OPCODE \| IDE_DATA_WRITE) /* 0xC000 */
181	#define SET_DEV_CMD IDE_SET_OPCODE /* 0x9D00 */
182
183	#define TATOL_TIMING 3
184	#define CMD_TIMING 0
185	#define PIO_TIMING 1
186	#define DMA_TIMING 2
187
188	/* Timing Parameters */
189	/* Register Access Timing Parameters */
190	#define REG_PARAMETER 4
191	#define REG_T0 0
192	#define REG_T1 1
193	#define REG_T2 2
194	#define REG_T4 3
195
196	#define REG_MODE 5
197	#define REG_MODE0 0
198	#define REG_MODE1 1
199	#define REG_MODE2 2
200	#define REG_MODE3 3
201	#define REG_MODE4 4
202
203	/* PIO Access Timing Parameters */
204	#define PIO_PARAMETER 4
205	#define PIO_T0 0
206	#define PIO_T1 1
207	#define PIO_T2 2
208	#define PIO_T4 3
209
210	#define PIO_MODE 5
211	#define PIO_MODE0 0
212	#define PIO_MODE1 1
213	#define PIO_MODE2 2
214	#define PIO_MODE3 3
215	#define PIO_MODE4 4
216
217	/* UDMA Access Timing Parameters */
218	#define UDMA_PARAMETER 6
219	#define UDMA_TCYC 0
220	#define UDMA_TCVS 1
221	#define UDMA_TMLI 2
222	#define UDMA_TENV 3
223	#define UDMA_TRP 4
224	#define UDMA_TACK 5
225
226	#define UDMA_MODE 7
227	#define UDMA_MODE0 0
228	#define UDMA_MODE1 1
229	#define UDMA_MODE2 2
230	#define UDMA_MODE3 3
231	#define UDMA_MODE4 4
232	#define UDMA_MODE5 5
233	#define UDMA_MODE6 6
234
235	/*
236	* RX_THRESH:
237	* hardware limitation: max = 8, should support 1,4,8,16,32,64,128,256
238	*/
239	#define RX_THRESH 8
240	#define WRITE_FIFO 32 /* Hardwired value */
241
242	/* Time Table */
243	unsigned int REG_ACCESS_TIMING[REG_PARAMETER][REG_MODE] = {
244	{600, 383, 330, 180, 120},
245	{70, 50, 30, 30, 25},
246	{290, 290, 290, 80, 70},
247	{30, 20, 15, 10, 10},
248	};
249
250	unsigned int PIO_ACCESS_TIMING[PIO_PARAMETER][PIO_MODE] = {
251	{600, 383, 240, 180, 120},
252	{70, 50, 30, 30, 25},
253	{165, 125, 100, 80, 70},
254	{30, 20, 15, 10, 10},
255	};
256
257	unsigned int UDMA_ACCESS_TIMING[UDMA_PARAMETER][UDMA_MODE] = {
258	{1120, 730, 540, 390, 250, 168, 130}, /* 10X */
259	{700, 480, 310, 200, 67, 100, 100}, /* 10X */
260	{200, 200, 200, 200, 200, 200, 200}, /* 10X */
261	{200, 200, 200, 200, 200, 200, 200}, /* 10X */
262	{1600, 1250, 1000, 1000, 1000, 850, 850}, /* 10X */
263	{200, 200, 200, 200, 200, 200, 200}, /* 10X */
264	};
265
266	#endif /* __FTIDE020_H */