70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*
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* Copyright (c) 2008 Carsten Schlote <c.schlote@konzeptpark.de>
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* See file CREDITS for list of people who contributed to this project.
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*
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* This file is part of barebox.
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*
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* barebox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* barebox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with barebox. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file
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* Register and bit definitions for the MCF548X and MCF547x
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* I2C Module (I2C)
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*/
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#ifndef __MCF548X_I2C_H__
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#define __MCF548X_I2C_H__
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/*
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* I2C Module (I2C)
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*/
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/* Register read/write macros */
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#define MCF_I2C_I2AR (*(vuint8_t *)(&__MBAR[0x008F00]))
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#define MCF_I2C_I2FDR (*(vuint8_t *)(&__MBAR[0x008F04]))
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#define MCF_I2C_I2CR (*(vuint8_t *)(&__MBAR[0x008F08]))
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#define MCF_I2C_I2SR (*(vuint8_t *)(&__MBAR[0x008F0C]))
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#define MCF_I2C_I2DR (*(vuint8_t *)(&__MBAR[0x008F10]))
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#define MCF_I2C_I2ICR (*(vuint8_t *)(&__MBAR[0x008F20]))
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/* Bit definitions and macros for MCF_I2C_I2AR */
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#define MCF_I2C_I2AR_ADR(x) (((x)&0x7F)<<1)
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/* Bit definitions and macros for MCF_I2C_I2FDR */
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#define MCF_I2C_I2FDR_IC(x) (((x)&0x3F)<<0)
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/* Bit definitions and macros for MCF_I2C_I2CR */
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#define MCF_I2C_I2CR_RSTA (0x04)
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#define MCF_I2C_I2CR_TXAK (0x08)
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#define MCF_I2C_I2CR_MTX (0x10)
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#define MCF_I2C_I2CR_MSTA (0x20)
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#define MCF_I2C_I2CR_IIEN (0x40)
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#define MCF_I2C_I2CR_IEN (0x80)
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/* Bit definitions and macros for MCF_I2C_I2SR */
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#define MCF_I2C_I2SR_RXAK (0x01)
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#define MCF_I2C_I2SR_IIF (0x02)
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#define MCF_I2C_I2SR_SRW (0x04)
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#define MCF_I2C_I2SR_IAL (0x10)
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#define MCF_I2C_I2SR_IBB (0x20)
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#define MCF_I2C_I2SR_IAAS (0x40)
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#define MCF_I2C_I2SR_ICF (0x80)
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/* Bit definitions and macros for MCF_I2C_I2ICR */
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#define MCF_I2C_I2ICR_IE (0x01)
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#define MCF_I2C_I2ICR_RE (0x02)
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#define MCF_I2C_I2ICR_TE (0x04)
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#define MCF_I2C_I2ICR_BNBE (0x08)
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#endif /* __MCF548X_I2C_H__ */
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