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https://github.com/AsahiLinux/u-boot
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b4116ede36
Add i2c driver board hookup for AM335X EVM Signed-off-by: Chandan Nath <chandan.nath@ti.com> Signed-off-by: Patil, Rachna <rachna@ti.com>
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
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* (C) Copyright 2012
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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 _I2C_H_
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#define _I2C_H_
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#define I2C_BASE1 0x44E0B000
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#define I2C_BASE2 0x4802A000
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#define I2C_BASE3 0x4819C000
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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 revnb_lo; /* 0x00 */
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unsigned short res1;
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unsigned short revnb_hi; /* 0x04 */
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unsigned short res2[13];
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unsigned short sysc; /* 0x20 */
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unsigned short res3;
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unsigned short irqstatus_raw; /* 0x24 */
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unsigned short res4;
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unsigned short stat; /* 0x28 */
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unsigned short res5;
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unsigned short ie; /* 0x2C */
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unsigned short res6;
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unsigned short irqenable_clr; /* 0x30 */
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unsigned short res7;
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unsigned short iv; /* 0x34 */
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unsigned short res8[45];
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unsigned short syss; /* 0x90 */
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unsigned short res9;
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unsigned short buf; /* 0x94 */
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unsigned short res10;
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unsigned short cnt; /* 0x98 */
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unsigned short res11;
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unsigned short data; /* 0x9C */
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unsigned short res13;
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unsigned short res14; /* 0xA0 */
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unsigned short res15;
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unsigned short con; /* 0xA4 */
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unsigned short res16;
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unsigned short oa; /* 0xA8 */
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unsigned short res17;
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unsigned short sa; /* 0xAC */
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unsigned short res18;
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unsigned short psc; /* 0xB0 */
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unsigned short res19;
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unsigned short scll; /* 0xB4 */
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unsigned short res20;
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unsigned short sclh; /* 0xB8 */
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unsigned short res21;
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unsigned short systest; /* 0xBC */
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unsigned short res22;
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unsigned short bufstat; /* 0xC0 */
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unsigned short res23;
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};
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#define I2C_IP_CLK 48000000
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#define I2C_INTERNAL_SAMLPING_CLK 12000000
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#endif /* _I2C_H_ */
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