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d708395d2f
This patch modifies the init routine to follow the TRM recommendations. It also modifies the i2c_read_byte function to reflect subtle differences between the i2c controller in OMAP3 and OMAP4. Signed-off-by: Steve Sakoman <steve@sakoman.com> Acked-by: Nishanth Menon <menon.nishanth@gmail.com> Acked-by: Heiko Schocher <hs@denx.de> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* (C) Copyright 2004-2008
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* Texas Instruments, <www.ti.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _OMAP3_I2C_H_
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#define _OMAP3_I2C_H_
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#define I2C_BUS_MAX 3
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#define I2C_DEFAULT_BASE I2C_BASE1
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struct i2c {
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unsigned short rev; /* 0x00 */
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unsigned short res1;
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unsigned short ie; /* 0x04 */
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unsigned short res2;
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unsigned short stat; /* 0x08 */
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unsigned short res3;
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unsigned short iv; /* 0x0C */
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unsigned short res4;
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unsigned short syss; /* 0x10 */
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unsigned short res4a;
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unsigned short buf; /* 0x14 */
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unsigned short res5;
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unsigned short cnt; /* 0x18 */
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unsigned short res6;
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unsigned short data; /* 0x1C */
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unsigned short res7;
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unsigned short sysc; /* 0x20 */
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unsigned short res8;
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unsigned short con; /* 0x24 */
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unsigned short res9;
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unsigned short oa; /* 0x28 */
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unsigned short res10;
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unsigned short sa; /* 0x2C */
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unsigned short res11;
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unsigned short psc; /* 0x30 */
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unsigned short res12;
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unsigned short scll; /* 0x34 */
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unsigned short res13;
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unsigned short sclh; /* 0x38 */
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unsigned short res14;
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unsigned short systest; /* 0x3c */
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unsigned short res15;
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};
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#endif /* _OMAP3_I2C_H_ */
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