diff options
Diffstat (limited to 'sys/arch/arm/xscale/iopi2creg.h')
| -rw-r--r-- | sys/arch/arm/xscale/iopi2creg.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/arch/arm/xscale/iopi2creg.h b/sys/arch/arm/xscale/iopi2creg.h new file mode 100644 index 00000000000..908c337ef97 --- /dev/null +++ b/sys/arch/arm/xscale/iopi2creg.h @@ -0,0 +1,77 @@ +/* $NetBSD: iopi2creg.h,v 1.2 2005/12/11 12:16:51 christos Exp $ */ + +/* + * Copyright (c) 2003 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Jason R. Thorpe for Wasabi Systems, Inc. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC + * 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. + */ + +#ifndef _ARM_XSCALE_IOPIICREG_H_ +#define _ARM_XSCALE_IOPIICREG_H_ + +#define IIC_ICR 0x00 /* i2c control register */ +#define IIC_ISR 0x04 /* i2c status register */ +#define IIC_ISAR 0x08 /* i2c slave address register */ +#define IIC_IDBR 0x0c /* i2c data buffer register */ +#define IIC_ICCR 0x10 /* i2c clock control register (i80312 only) */ +#define IIC_IBMR 0x14 /* i2c bus monitor register */ + +#define IIC_ICR_FM (1U << 15) /* fast mode (i80321 only) */ +#define IIC_ICR_RESET (1U << 14) /* i2c unit reset */ +#define IIC_ICR_SADIE (1U << 13) /* slave addr det int en */ +#define IIC_ICR_ALDIE (1U << 12) /* arb loss det int en */ +#define IIC_ICR_SSDIE (1U << 11) /* slave stop det in en */ +#define IIC_ICR_BEIE (1U << 10) /* bus error int en */ +#define IIC_ICR_IRFIE (1U << 9) /* IDBR Rx full int en */ +#define IIC_ICR_ITEIE (1U << 8) /* IDBR Tx empty int en */ +#define IIC_ICR_GCD (1U << 7) /* general call disable */ +#define IIC_ICR_UE (1U << 6) /* i2c unit enable */ +#define IIC_ICR_SCLE (1U << 5) /* SCL master enable */ +#define IIC_ICR_MA (1U << 4) /* abort as master */ +#define IIC_ICR_TB (1U << 3) /* transfer byte */ +#define IIC_ICR_NACK (1U << 2) /* 0=ACK, 1=NACK */ +#define IIC_ICR_STOP (1U << 1) /* initiate STOP condition */ +#define IIC_ICR_START (1U << 0) /* initiate START condition */ + +#define IIC_ISR_BED (1U << 10) /* bus error detected */ +#define IIC_ISR_SAD (1U << 9) /* slave address detected */ +#define IIC_ISR_GCAD (1U << 8) /* general call addr detected */ +#define IIC_ISR_IRF (1U << 7) /* IDBR Rx full */ +#define IIC_ISR_ITE (1U << 6) /* IDBR Tx empty */ +#define IIC_ISR_ALD (1U << 5) /* arb loss detected */ +#define IIC_ISR_SSD (1U << 4) /* slave STOP detected */ +#define IIC_ISR_IBB (1U << 3) /* i2c bus busy */ +#define IIC_ISR_UB (1U << 2) /* unit busy */ +#define IIC_ISR_NACK (1U << 1) /* NACK received */ +#define IIC_ISR_RW (1U << 0) /* 0=mt/sr, 1=mr/st */ + +#endif /* _ARM_XSCALE_IOPIICREG_H_ */ |