[bbb-pru.git] / ti_iicreg.h

/*	$OpenBSD: ti_iicreg.h,v 1.1 2013/11/24 15:00:22 rapha Exp $	*/
/*	$NetBSD: ti_iicreg.h,v 1.1 2013/04/17 14:33:06 bouyer Exp $	*/

/*
 * Copyright (c) 2013 Manuel Bouyer.  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.
 */

/* register definitions for the i2c controller found in the
 * Texas Instrument AM335x SOC
 */

#ifndef _AM335XIICREG_H
#define _AM335XIICREG_H

#define AM335X_I2C_REVNB_LO		0x00
#define		I2C_REVNB_LO_RTL(x)		(((x) >> 11) & 0x01f)
#define		I2C_REVNB_LO_MAJOR(x)		(((x) >>  8) & 0x007)
#define		I2C_REVNB_LO_CUSTOM(x)		(((x) >>  6) & 0x003)
#define		I2C_REVNB_LO_MINOR(x)		(((x) >>  0) & 0x01f)
#define AM335X_I2C_REVNB_HI		0x04
#define		I2C_REVNB_HI_SCHEME(x)		(((x) >> 14) & 0x003)
#define		I2C_REVNB_HI_FUNC(x)		(((x) >>  0) & 0xfff)
#define AM335X_I2C_SYSC			0x10
#define		I2C_SYSC_CLKACTIVITY_OCP	0x0010
#define		I2C_SYSC_CLKACTIVITY_SYSTEM	0x0020
#define		I2C_SYSC_IDLE_MASK		0x0018
#define		I2C_SYSC_IDLE_FORCE		0x0000
#define		I2C_SYSC_IDLE_SMART		0x0010
#define		I2C_SYSC_IDLE_NONE		0x0008
#define		I2C_SYSC_ENAWAKEUP		0x0004
#define		I2C_SYSC_SRST			0x0002
#define		I2C_SYSC_AUTOIDLE		0x0001
#define AM335X_I2C_IRQSTATUS_RAW		0x24
#define AM335X_I2C_IRQSTATUS		0x28
#define AM335X_I2C_IRQENABLE_SET		0x2C
#define AM335X_I2C_IRQENABLE_CLR		0x30
#define AM335X_I2C_WE			0x34
#define		I2C_IRQSTATUS_XDR		0x4000
#define		I2C_IRQSTATUS_RDR		0x2000
#define		I2C_IRQSTATUS_BB		0x1000
#define		I2C_IRQSTATUS_ROVR		0x0800
#define		I2C_IRQSTATUS_XUDF		0x0400
#define		I2C_IRQSTATUS_AAS		0x0200
#define		I2C_IRQSTATUS_BF		0x0100
#define		I2C_IRQSTATUS_AERR		0x0080
#define		I2C_IRQSTATUS_STC		0x0040
#define		I2C_IRQSTATUS_GC		0x0020
#define		I2C_IRQSTATUS_XRDY		0x0010
#define		I2C_IRQSTATUS_RRDY		0x0008
#define		I2C_IRQSTATUS_ARDY		0x0004
#define		I2C_IRQSTATUS_NACK		0x0002
#define		I2C_IRQSTATUS_AL		0x0001
#define AM335X_I2C_DMARXENABLE_SET	0x38
#define AM335X_I2C_DMATXENABLE_SET	0x3C
#define AM335X_I2C_DMARXENABLE_CLR	0x40
#define		I2C_DMARXENABLE			0x0001
#define AM335X_I2C_DMATXENABLE_CLR	0x44
#define		I2C_DMATXENABLE			0x0001
#define AM335X_I2C_DMARXWAKE_EN		0x48
	/* use same bits as IRQ */
#define AM335X_I2C_DMATXWAKE_EN		0x4C
	/* use same bits as IRQ */
#define AM335X_I2C_SYSS			0x90
#define		I2C_SYSS_RDONE			0x0001
#define AM335X_I2C_BUF			0x94
#define		I2C_BUF_RDMA_EN			0x8000
#define		I2C_BUF_RXFIFO_CLR		0x4000
#define		I2C_BUF_RXTRSH_MASK		0x3f00
#define		I2C_BUF_RXTRSH(x)		((x) << 8)
#define		I2C_BUF_XDMA_EN			0x0080
#define		I2C_BUF_TXFIFO_CLR		0x0040
#define		I2C_BUF_TXTRSH_MASK		0x003f
#define		I2C_BUF_TXTRSH(x)		((x) << 0)
#define AM335X_I2C_CNT			0x98
#define		I2C_CNT_MASK			0xffff
#define AM335X_I2C_DATA			0x9C
#define		I2C_DATA_MASK			0x00ff
#define AM335X_I2C_CON			0xA4
#define		I2C_CON_EN			0x8000
#define		I2C_CON_STB			0x0800
#define		I2C_CON_MST			0x0400
#define		I2C_CON_TRX			0x0200
#define		I2C_CON_XSA			0x0100
#define		I2C_CON_XOA0			0x0080
#define		I2C_CON_XOA1			0x0040
#define		I2C_CON_XOA2			0x0020
#define		I2C_CON_XOA3			0x0010
#define		I2C_CON_STP			0x0002
#define		I2C_CON_STT			0x0001
#define AM335X_I2C_OA			0xA8
#define		I2C_OA_MASK			0x03ff
#define AM335X_I2C_SA			0xAC
#define		I2C_SA_MASK			0x03ff
#define AM335X_I2C_PSC			0xB0
#define		I2C_PSC_MASK			0x000f
#define AM335X_I2C_SCLL			0xB4
#define		I2C_SCLL_MASK			0x000f
#define AM335X_I2C_SCLH			0xB8
#define		I2C_SCLH_MASK			0x000f
#define AM335X_I2C_SYSTEST		0xBC
#define AM335X_I2C_BUFSTAT		0xC0
#define		I2C_BUFSTAT_FIFODEPTH(x)	(((x) >> 14) & 0x03)
#define		I2C_BUFSTAT_RXSTAT(x)		(((x) >>  8) & 0x3f)
#define		I2C_BUFSTAT_TXSTAT(x)		(((x) >>  0) & 0x3f)
#define AM335X_I2C_OA1			0xC4
#define AM335X_I2C_OA2			0xC8
#define AM335X_I2C_OA3			0xCC
	/* same bits as I2C_OA */
#define AM335X_I2C_ACTOA			0xD0
#define AM335X_I2C_SBLOCK		0xD4
#define		I2C_ACTOA_OA3_ACT		0x0008
#define		I2C_ACTOA_OA2_ACT		0x0004
#define		I2C_ACTOA_OA1_ACT		0x0002
#define		I2C_ACTOA_OA0_ACT		0x0001

#endif /* _AM335XIICREG_H */
Commit	Line	Data
cf3c20ae	1	/* $OpenBSD: ti_iicreg.h,v 1.1 2013/11/24 15:00:22 rapha Exp $ */
	2	/* $NetBSD: ti_iicreg.h,v 1.1 2013/04/17 14:33:06 bouyer Exp $ */
	3
	4	/*
	5	* Copyright (c) 2013 Manuel Bouyer. All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	17	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	18	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	19	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	20	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	21	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	22	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	23	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	24	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	25	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*/
	27
	28	/* register definitions for the i2c controller found in the
	29	* Texas Instrument AM335x SOC
	30	*/
	31
	32	#ifndef _AM335XIICREG_H
	33	#define _AM335XIICREG_H
	34
	35	#define AM335X_I2C_REVNB_LO 0x00
	36	#define I2C_REVNB_LO_RTL(x) (((x) >> 11) & 0x01f)
	37	#define I2C_REVNB_LO_MAJOR(x) (((x) >> 8) & 0x007)
	38	#define I2C_REVNB_LO_CUSTOM(x) (((x) >> 6) & 0x003)
	39	#define I2C_REVNB_LO_MINOR(x) (((x) >> 0) & 0x01f)
	40	#define AM335X_I2C_REVNB_HI 0x04
	41	#define I2C_REVNB_HI_SCHEME(x) (((x) >> 14) & 0x003)
	42	#define I2C_REVNB_HI_FUNC(x) (((x) >> 0) & 0xfff)
	43	#define AM335X_I2C_SYSC 0x10
	44	#define I2C_SYSC_CLKACTIVITY_OCP 0x0010
	45	#define I2C_SYSC_CLKACTIVITY_SYSTEM 0x0020
	46	#define I2C_SYSC_IDLE_MASK 0x0018
	47	#define I2C_SYSC_IDLE_FORCE 0x0000
	48	#define I2C_SYSC_IDLE_SMART 0x0010
	49	#define I2C_SYSC_IDLE_NONE 0x0008
	50	#define I2C_SYSC_ENAWAKEUP 0x0004
	51	#define I2C_SYSC_SRST 0x0002
	52	#define I2C_SYSC_AUTOIDLE 0x0001
	53	#define AM335X_I2C_IRQSTATUS_RAW 0x24
	54	#define AM335X_I2C_IRQSTATUS 0x28
	55	#define AM335X_I2C_IRQENABLE_SET 0x2C
	56	#define AM335X_I2C_IRQENABLE_CLR 0x30
	57	#define AM335X_I2C_WE 0x34
	58	#define I2C_IRQSTATUS_XDR 0x4000
	59	#define I2C_IRQSTATUS_RDR 0x2000
	60	#define I2C_IRQSTATUS_BB 0x1000
	61	#define I2C_IRQSTATUS_ROVR 0x0800
	62	#define I2C_IRQSTATUS_XUDF 0x0400
	63	#define I2C_IRQSTATUS_AAS 0x0200
	64	#define I2C_IRQSTATUS_BF 0x0100
65	#define I2C_IRQSTATUS_AERR 0x0080
66	#define I2C_IRQSTATUS_STC 0x0040
67	#define I2C_IRQSTATUS_GC 0x0020
68	#define I2C_IRQSTATUS_XRDY 0x0010
69	#define I2C_IRQSTATUS_RRDY 0x0008
70	#define I2C_IRQSTATUS_ARDY 0x0004
71	#define I2C_IRQSTATUS_NACK 0x0002
72	#define I2C_IRQSTATUS_AL 0x0001
73	#define AM335X_I2C_DMARXENABLE_SET 0x38
74	#define AM335X_I2C_DMATXENABLE_SET 0x3C
75	#define AM335X_I2C_DMARXENABLE_CLR 0x40
76	#define I2C_DMARXENABLE 0x0001
77	#define AM335X_I2C_DMATXENABLE_CLR 0x44
78	#define I2C_DMATXENABLE 0x0001
79	#define AM335X_I2C_DMARXWAKE_EN 0x48
80	/* use same bits as IRQ */
81	#define AM335X_I2C_DMATXWAKE_EN 0x4C
82	/* use same bits as IRQ */
83	#define AM335X_I2C_SYSS 0x90
84	#define I2C_SYSS_RDONE 0x0001
85	#define AM335X_I2C_BUF 0x94
86	#define I2C_BUF_RDMA_EN 0x8000
87	#define I2C_BUF_RXFIFO_CLR 0x4000
88	#define I2C_BUF_RXTRSH_MASK 0x3f00
89	#define I2C_BUF_RXTRSH(x) ((x) << 8)
90	#define I2C_BUF_XDMA_EN 0x0080
91	#define I2C_BUF_TXFIFO_CLR 0x0040
92	#define I2C_BUF_TXTRSH_MASK 0x003f
93	#define I2C_BUF_TXTRSH(x) ((x) << 0)
94	#define AM335X_I2C_CNT 0x98
95	#define I2C_CNT_MASK 0xffff
96	#define AM335X_I2C_DATA 0x9C
97	#define I2C_DATA_MASK 0x00ff
98	#define AM335X_I2C_CON 0xA4
99	#define I2C_CON_EN 0x8000
100	#define I2C_CON_STB 0x0800
101	#define I2C_CON_MST 0x0400
102	#define I2C_CON_TRX 0x0200
103	#define I2C_CON_XSA 0x0100
104	#define I2C_CON_XOA0 0x0080
105	#define I2C_CON_XOA1 0x0040
106	#define I2C_CON_XOA2 0x0020
107	#define I2C_CON_XOA3 0x0010
108	#define I2C_CON_STP 0x0002
109	#define I2C_CON_STT 0x0001
110	#define AM335X_I2C_OA 0xA8
111	#define I2C_OA_MASK 0x03ff
112	#define AM335X_I2C_SA 0xAC
113	#define I2C_SA_MASK 0x03ff
114	#define AM335X_I2C_PSC 0xB0
115	#define I2C_PSC_MASK 0x000f
116	#define AM335X_I2C_SCLL 0xB4
117	#define I2C_SCLL_MASK 0x000f
118	#define AM335X_I2C_SCLH 0xB8
119	#define I2C_SCLH_MASK 0x000f
120	#define AM335X_I2C_SYSTEST 0xBC
121	#define AM335X_I2C_BUFSTAT 0xC0
122	#define I2C_BUFSTAT_FIFODEPTH(x) (((x) >> 14) & 0x03)
123	#define I2C_BUFSTAT_RXSTAT(x) (((x) >> 8) & 0x3f)
124	#define I2C_BUFSTAT_TXSTAT(x) (((x) >> 0) & 0x3f)
125	#define AM335X_I2C_OA1 0xC4
126	#define AM335X_I2C_OA2 0xC8
127	#define AM335X_I2C_OA3 0xCC
128	/* same bits as I2C_OA */
129	#define AM335X_I2C_ACTOA 0xD0
130	#define AM335X_I2C_SBLOCK 0xD4
131	#define I2C_ACTOA_OA3_ACT 0x0008
132	#define I2C_ACTOA_OA2_ACT 0x0004
133	#define I2C_ACTOA_OA1_ACT 0x0002
134	#define I2C_ACTOA_OA0_ACT 0x0001
135
136	#endif /* _AM335XIICREG_H */