[thirdparty/u-boot.git] / include / w83c553f.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2000
 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
 */

 /* winbond access routines and defines*/

/* from the winbond data sheet -
 The W83C553F SIO controller with PCI arbiter is a multi-function PCI device.
 Function 0 is the ISA bridge, and Function 1 is the bus master IDE controller.
*/

/*ISA bridge configuration space*/

#define W83C553F_VID		0x10AD
#define W83C553F_DID		0x0565

#define WINBOND_PCICONTR	0x40  /*pci control reg*/
#define WINBOND_SGBAR		0x41  /*scatter/gather base address reg*/
#define WINBOND_LBCR		0x42  /*Line Buffer Control reg*/
#define WINBOND_IDEIRCR		0x43  /*IDE Interrupt Routing Control  Reg*/
#define WINBOND_PCIIRCR		0x44  /*PCI Interrupt Routing Control Reg*/
#define WINBOND_BTBAR		0x46  /*BIOS Timer Base Address Register*/
#define WINBOND_IPADCR		0x48  /*ISA to PCI Address Decoder Control Register*/
#define WINBOND_IRADCR		0x49  /*ISA ROM Address Decoder Control Register*/
#define WINBOND_IPMHSAR		0x4a  /*ISA to PCI Memory Hole STart Address Register*/
#define WINBOND_IPMHSR		0x4b  /*ISA to PCI Memory Hols Size Register*/
#define WINBOND_CDR			0x4c  /*Clock Divisor Register*/
#define WINBOND_CSCR		0x4d  /*Chip Select Control Register*/
#define WINBOND_ATSCR		0x4e  /*AT System Control register*/
#define WINBOND_ATBCR		0x4f  /*AT Bus ControL Register*/
#define WINBOND_IRQBEE0R	0x60  /*IRQ Break Event Enable 0 Register*/
#define WINBOND_IRQBEE1R	0x61  /*IRQ Break Event Enable 1 Register*/
#define WINBOND_ABEER		0x62  /*Additional Break Event Enable Register*/
#define WINBOND_DMABEER		0x63  /*DMA Break Event Enable Register*/

#define WINDOND_IDECSR		0x40  /*IDE Control/Status Register, Function 1*/

#define IPADCR_MBE512		0x1
#define IPADCR_MBE640		0x2
#define IPADCR_IPATOM4		0x10
#define IPADCR_IPATOM5		0x20
#define IPADCR_IPATOM6		0x40
#define IPADCR_IPATOM7		0x80

#define CSCR_UBIOSCSE		0x10
#define CSCR_BIOSWP			0x20

#define IDECSR_P0EN			0x01
#define IDECSR_P0F16		0x02
#define IDECSR_P1EN			0x10
#define IDECSR_P1F16		0x20
#define IDECSR_LEGIRQ		0x800

/*
 * Interrupt controller
 */
#define W83C553F_PIC1_ICW1	CONFIG_SYS_ISA_IO + 0x20
#define W83C553F_PIC1_ICW2	CONFIG_SYS_ISA_IO + 0x21
#define W83C553F_PIC1_ICW3	CONFIG_SYS_ISA_IO + 0x21
#define W83C553F_PIC1_ICW4	CONFIG_SYS_ISA_IO + 0x21
#define W83C553F_PIC1_OCW1	CONFIG_SYS_ISA_IO + 0x21
#define W83C553F_PIC1_OCW2	CONFIG_SYS_ISA_IO + 0x20
#define W83C553F_PIC1_OCW3	CONFIG_SYS_ISA_IO + 0x20
#define W83C553F_PIC1_ELC	CONFIG_SYS_ISA_IO + 0x4D0
#define W83C553F_PIC2_ICW1	CONFIG_SYS_ISA_IO + 0xA0
#define W83C553F_PIC2_ICW2	CONFIG_SYS_ISA_IO + 0xA1
#define W83C553F_PIC2_ICW3	CONFIG_SYS_ISA_IO + 0xA1
#define W83C553F_PIC2_ICW4	CONFIG_SYS_ISA_IO + 0xA1
#define W83C553F_PIC2_OCW1	CONFIG_SYS_ISA_IO + 0xA1
#define W83C553F_PIC2_OCW2	CONFIG_SYS_ISA_IO + 0xA0
#define W83C553F_PIC2_OCW3	CONFIG_SYS_ISA_IO + 0xA0
#define W83C553F_PIC2_ELC	CONFIG_SYS_ISA_IO + 0x4D1

#define W83C553F_TMR1_CMOD	CONFIG_SYS_ISA_IO + 0x43

/*
 * DMA controller
 */
#define W83C553F_DMA1	CONFIG_SYS_ISA_IO + 0x000	/* channel 0 - 3 */
#define W83C553F_DMA2	CONFIG_SYS_ISA_IO + 0x0C0	/* channel 4 - 7 */

/* command/status register bit definitions */

#define W83C553F_CS_COM_DACKAL	(1<<7)	/* DACK# assert level */
#define W83C553F_CS_COM_DREQSAL	(1<<6)	/* DREQ sense assert level */
#define W83C553F_CS_COM_GAP	(1<<4)	/* group arbitration priority */
#define W83C553F_CS_COM_CGE	(1<<2)	/* channel group enable */

#define W83C553F_CS_STAT_CH0REQ	(1<<4)	/* channel 0 (4) DREQ status */
#define W83C553F_CS_STAT_CH1REQ	(1<<5)	/* channel 1 (5) DREQ status */
#define W83C553F_CS_STAT_CH2REQ	(1<<6)	/* channel 2 (6) DREQ status */
#define W83C553F_CS_STAT_CH3REQ	(1<<7)	/* channel 3 (7) DREQ status */

#define W83C553F_CS_STAT_CH0TC	(1<<0)	/* channel 0 (4) TC status */
#define W83C553F_CS_STAT_CH1TC	(1<<1)	/* channel 1 (5) TC status */
#define W83C553F_CS_STAT_CH2TC	(1<<2)	/* channel 2 (6) TC status */
#define W83C553F_CS_STAT_CH3TC	(1<<3)	/* channel 3 (7) TC status */

/* mode register bit definitions */

#define W83C553F_MODE_TM_DEMAND	(0<<6)	/* transfer mode - demand */
#define W83C553F_MODE_TM_SINGLE	(1<<6)	/* transfer mode - single */
#define W83C553F_MODE_TM_BLOCK	(2<<6)	/* transfer mode - block */
#define W83C553F_MODE_TM_CASCADE	(3<<6)	/* transfer mode - cascade */
#define W83C553F_MODE_ADDRDEC	(1<<5)	/* address increment/decrement select */
#define W83C553F_MODE_AUTOINIT	(1<<4)	/* autoinitialize enable */
#define W83C553F_MODE_TT_VERIFY	(0<<2)	/* transfer type - verify */
#define W83C553F_MODE_TT_WRITE	(1<<2)	/* transfer type - write */
#define W83C553F_MODE_TT_READ	(2<<2)	/* transfer type - read */
#define W83C553F_MODE_TT_ILLEGAL	(3<<2)	/* transfer type - illegal */
#define W83C553F_MODE_CH0SEL	(0<<0)	/* channel 0 (4) select */
#define W83C553F_MODE_CH1SEL	(1<<0)	/* channel 1 (5) select */
#define W83C553F_MODE_CH2SEL	(2<<0)	/* channel 2 (6) select */
#define W83C553F_MODE_CH3SEL	(3<<0)	/* channel 3 (7) select */

/* request register bit definitions */

#define W83C553F_REQ_CHSERREQ	(1<<2)	/* channel service request */
#define W83C553F_REQ_CH0SEL	(0<<0)	/* channel 0 (4) select */
#define W83C553F_REQ_CH1SEL	(1<<0)	/* channel 1 (5) select */
#define W83C553F_REQ_CH2SEL	(2<<0)	/* channel 2 (6) select */
#define W83C553F_REQ_CH3SEL	(3<<0)	/* channel 3 (7) select */

/* write single mask bit register bit definitions */

#define W83C553F_WSMB_CHMASKSEL	(1<<2)	/* channel mask select */
#define W83C553F_WSMB_CH0SEL	(0<<0)	/* channel 0 (4) select */
#define W83C553F_WSMB_CH1SEL	(1<<0)	/* channel 1 (5) select */
#define W83C553F_WSMB_CH2SEL	(2<<0)	/* channel 2 (6) select */
#define W83C553F_WSMB_CH3SEL	(3<<0)	/* channel 3 (7) select */

/* read/write all mask bits register bit definitions */

#define W83C553F_RWAMB_CH0MASK	(1<<0)	/* channel 0 (4) mask */
#define W83C553F_RWAMB_CH1MASK	(1<<1)	/* channel 1 (5) mask */
#define W83C553F_RWAMB_CH2MASK	(1<<2)	/* channel 2 (6) mask */
#define W83C553F_RWAMB_CH3MASK	(1<<3)	/* channel 3 (7) mask */

/* typedefs */

#define W83C553F_DMA1_CS		0x8
#define W83C553F_DMA1_WR		0x9
#define W83C553F_DMA1_WSMB		0xA
#define W83C553F_DMA1_WM		0xB
#define W83C553F_DMA1_CBP		0xC
#define W83C553F_DMA1_MC		0xD
#define W83C553F_DMA1_CM		0xE
#define W83C553F_DMA1_RWAMB		0xF

#define W83C553F_DMA2_CS		0x10
#define W83C553F_DMA2_WR		0x12
#define W83C553F_DMA2_WSMB		0x14
#define W83C553F_DMA2_WM		0x16
#define W83C553F_DMA2_CBP		0x18
#define W83C553F_DMA2_MC		0x1A
#define W83C553F_DMA2_CM		0x1C
#define W83C553F_DMA2_RWAMB		0x1E

void initialise_w83c553f(void);
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
012771d8 WD	2	/*
	3	* (C) Copyright 2000
	4	* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
012771d8 WD	5	*/
	6
	7	/* winbond access routines and defines*/
	8
	9	/* from the winbond data sheet -
	10	The W83C553F SIO controller with PCI arbiter is a multi-function PCI device.
	11	Function 0 is the ISA bridge, and Function 1 is the bus master IDE controller.
	12	*/
	13
	14	/ISA bridge configuration space/
	15
	16	#define W83C553F_VID 0x10AD
	17	#define W83C553F_DID 0x0565
	18
	19	#define WINBOND_PCICONTR 0x40 /pci control reg/
	20	#define WINBOND_SGBAR 0x41 /scatter/gather base address reg/
	21	#define WINBOND_LBCR 0x42 /Line Buffer Control reg/
	22	#define WINBOND_IDEIRCR 0x43 /IDE Interrupt Routing Control Reg/
	23	#define WINBOND_PCIIRCR 0x44 /PCI Interrupt Routing Control Reg/
	24	#define WINBOND_BTBAR 0x46 /BIOS Timer Base Address Register/
	25	#define WINBOND_IPADCR 0x48 /ISA to PCI Address Decoder Control Register/
	26	#define WINBOND_IRADCR 0x49 /ISA ROM Address Decoder Control Register/
	27	#define WINBOND_IPMHSAR 0x4a /ISA to PCI Memory Hole STart Address Register/
	28	#define WINBOND_IPMHSR 0x4b /ISA to PCI Memory Hols Size Register/
	29	#define WINBOND_CDR 0x4c /Clock Divisor Register/
	30	#define WINBOND_CSCR 0x4d /Chip Select Control Register/
	31	#define WINBOND_ATSCR 0x4e /AT System Control register/
	32	#define WINBOND_ATBCR 0x4f /AT Bus ControL Register/
	33	#define WINBOND_IRQBEE0R 0x60 /IRQ Break Event Enable 0 Register/
	34	#define WINBOND_IRQBEE1R 0x61 /IRQ Break Event Enable 1 Register/
	35	#define WINBOND_ABEER 0x62 /Additional Break Event Enable Register/
	36	#define WINBOND_DMABEER 0x63 /DMA Break Event Enable Register/
	37
	38	#define WINDOND_IDECSR 0x40 /IDE Control/Status Register, Function 1/
	39
	40	#define IPADCR_MBE512 0x1
	41	#define IPADCR_MBE640 0x2
	42	#define IPADCR_IPATOM4 0x10
	43	#define IPADCR_IPATOM5 0x20
	44	#define IPADCR_IPATOM6 0x40
	45	#define IPADCR_IPATOM7 0x80
	46
	47	#define CSCR_UBIOSCSE 0x10
	48	#define CSCR_BIOSWP 0x20
	49
	50	#define IDECSR_P0EN 0x01
	51	#define IDECSR_P0F16 0x02
	52	#define IDECSR_P1EN 0x10
	53	#define IDECSR_P1F16 0x20
	54	#define IDECSR_LEGIRQ 0x800
	55
	56	/*
	57	* Interrupt controller
	58	*/
6d0f6bcf JCPV	59	#define W83C553F_PIC1_ICW1 CONFIG_SYS_ISA_IO + 0x20
	60	#define W83C553F_PIC1_ICW2 CONFIG_SYS_ISA_IO + 0x21
	61	#define W83C553F_PIC1_ICW3 CONFIG_SYS_ISA_IO + 0x21
	62	#define W83C553F_PIC1_ICW4 CONFIG_SYS_ISA_IO + 0x21
	63	#define W83C553F_PIC1_OCW1 CONFIG_SYS_ISA_IO + 0x21
	64	#define W83C553F_PIC1_OCW2 CONFIG_SYS_ISA_IO + 0x20
	65	#define W83C553F_PIC1_OCW3 CONFIG_SYS_ISA_IO + 0x20
	66	#define W83C553F_PIC1_ELC CONFIG_SYS_ISA_IO + 0x4D0
	67	#define W83C553F_PIC2_ICW1 CONFIG_SYS_ISA_IO + 0xA0
	68	#define W83C553F_PIC2_ICW2 CONFIG_SYS_ISA_IO + 0xA1
	69	#define W83C553F_PIC2_ICW3 CONFIG_SYS_ISA_IO + 0xA1
	70	#define W83C553F_PIC2_ICW4 CONFIG_SYS_ISA_IO + 0xA1
	71	#define W83C553F_PIC2_OCW1 CONFIG_SYS_ISA_IO + 0xA1
	72	#define W83C553F_PIC2_OCW2 CONFIG_SYS_ISA_IO + 0xA0
	73	#define W83C553F_PIC2_OCW3 CONFIG_SYS_ISA_IO + 0xA0
	74	#define W83C553F_PIC2_ELC CONFIG_SYS_ISA_IO + 0x4D1
012771d8	75
6d0f6bcf	76	#define W83C553F_TMR1_CMOD CONFIG_SYS_ISA_IO + 0x43
012771d8 WD	77
	78	/*
	79	* DMA controller
	80	*/
6d0f6bcf JCPV	81	#define W83C553F_DMA1 CONFIG_SYS_ISA_IO + 0x000 /* channel 0 - 3 */
6d0f6bcf JCPV	82	#define W83C553F_DMA2 CONFIG_SYS_ISA_IO + 0x0C0 /* channel 4 - 7 */
012771d8 WD	83
	84	/* command/status register bit definitions */
	85
	86	#define W83C553F_CS_COM_DACKAL (1<<7) /* DACK# assert level */
	87	#define W83C553F_CS_COM_DREQSAL (1<<6) /* DREQ sense assert level */
	88	#define W83C553F_CS_COM_GAP (1<<4) /* group arbitration priority */
	89	#define W83C553F_CS_COM_CGE (1<<2) /* channel group enable */
	90
	91	#define W83C553F_CS_STAT_CH0REQ (1<<4) /* channel 0 (4) DREQ status */
	92	#define W83C553F_CS_STAT_CH1REQ (1<<5) /* channel 1 (5) DREQ status */
	93	#define W83C553F_CS_STAT_CH2REQ (1<<6) /* channel 2 (6) DREQ status */
	94	#define W83C553F_CS_STAT_CH3REQ (1<<7) /* channel 3 (7) DREQ status */
	95
	96	#define W83C553F_CS_STAT_CH0TC (1<<0) /* channel 0 (4) TC status */
	97	#define W83C553F_CS_STAT_CH1TC (1<<1) /* channel 1 (5) TC status */
	98	#define W83C553F_CS_STAT_CH2TC (1<<2) /* channel 2 (6) TC status */
	99	#define W83C553F_CS_STAT_CH3TC (1<<3) /* channel 3 (7) TC status */
	100
	101	/* mode register bit definitions */
	102
	103	#define W83C553F_MODE_TM_DEMAND (0<<6) /* transfer mode - demand */
	104	#define W83C553F_MODE_TM_SINGLE (1<<6) /* transfer mode - single */
	105	#define W83C553F_MODE_TM_BLOCK (2<<6) /* transfer mode - block */
	106	#define W83C553F_MODE_TM_CASCADE (3<<6) /* transfer mode - cascade */
	107	#define W83C553F_MODE_ADDRDEC (1<<5) /* address increment/decrement select */
	108	#define W83C553F_MODE_AUTOINIT (1<<4) /* autoinitialize enable */
	109	#define W83C553F_MODE_TT_VERIFY (0<<2) /* transfer type - verify */
	110	#define W83C553F_MODE_TT_WRITE (1<<2) /* transfer type - write */
	111	#define W83C553F_MODE_TT_READ (2<<2) /* transfer type - read */
	112	#define W83C553F_MODE_TT_ILLEGAL (3<<2) /* transfer type - illegal */
	113	#define W83C553F_MODE_CH0SEL (0<<0) /* channel 0 (4) select */
	114	#define W83C553F_MODE_CH1SEL (1<<0) /* channel 1 (5) select */
	115	#define W83C553F_MODE_CH2SEL (2<<0) /* channel 2 (6) select */
	116	#define W83C553F_MODE_CH3SEL (3<<0) /* channel 3 (7) select */
	117
	118	/* request register bit definitions */
	119
	120	#define W83C553F_REQ_CHSERREQ (1<<2) /* channel service request */
	121	#define W83C553F_REQ_CH0SEL (0<<0) /* channel 0 (4) select */
	122	#define W83C553F_REQ_CH1SEL (1<<0) /* channel 1 (5) select */
	123	#define W83C553F_REQ_CH2SEL (2<<0) /* channel 2 (6) select */
	124	#define W83C553F_REQ_CH3SEL (3<<0) /* channel 3 (7) select */
	125
	126	/* write single mask bit register bit definitions */
	127
	128	#define W83C553F_WSMB_CHMASKSEL (1<<2) /* channel mask select */
	129	#define W83C553F_WSMB_CH0SEL (0<<0) /* channel 0 (4) select */
	130	#define W83C553F_WSMB_CH1SEL (1<<0) /* channel 1 (5) select */
	131	#define W83C553F_WSMB_CH2SEL (2<<0) /* channel 2 (6) select */
	132	#define W83C553F_WSMB_CH3SEL (3<<0) /* channel 3 (7) select */
	133
	134	/* read/write all mask bits register bit definitions */
	135
	136	#define W83C553F_RWAMB_CH0MASK (1<<0) /* channel 0 (4) mask */
	137	#define W83C553F_RWAMB_CH1MASK (1<<1) /* channel 1 (5) mask */
	138	#define W83C553F_RWAMB_CH2MASK (1<<2) /* channel 2 (6) mask */
	139	#define W83C553F_RWAMB_CH3MASK (1<<3) /* channel 3 (7) mask */
	140
	141	/* typedefs */
	142
	143	#define W83C553F_DMA1_CS 0x8
	144	#define W83C553F_DMA1_WR 0x9
	145	#define W83C553F_DMA1_WSMB 0xA
	146	#define W83C553F_DMA1_WM 0xB
147	#define W83C553F_DMA1_CBP 0xC
148	#define W83C553F_DMA1_MC 0xD
149	#define W83C553F_DMA1_CM 0xE
150	#define W83C553F_DMA1_RWAMB 0xF
151
152	#define W83C553F_DMA2_CS 0x10
153	#define W83C553F_DMA2_WR 0x12
154	#define W83C553F_DMA2_WSMB 0x14
155	#define W83C553F_DMA2_WM 0x16
156	#define W83C553F_DMA2_CBP 0x18
157	#define W83C553F_DMA2_MC 0x1A
158	#define W83C553F_DMA2_CM 0x1C
159	#define W83C553F_DMA2_RWAMB 0x1E
160
161	void initialise_w83c553f(void);