56 lines
2 KiB
C
56 lines
2 KiB
C
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/*
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* stmp37xx: I2C register definitions
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*
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* Copyright (c) 2008 Freescale Semiconductor
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* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
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*
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* This program 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 2 of the License, or
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* (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, MA 02111-1307 USA
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*/
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#define REGS_I2C_BASE (STMP3XXX_REGS_BASE + 0x58000)
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#define REGS_I2C_PHYS 0x80058000
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#define REGS_I2C_SIZE 0x2000
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#define HW_I2C_CTRL0 0x0
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#define BM_I2C_CTRL0_XFER_COUNT 0x0000FFFF
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#define BP_I2C_CTRL0_XFER_COUNT 0
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#define BM_I2C_CTRL0_DIRECTION 0x00010000
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#define BM_I2C_CTRL0_MASTER_MODE 0x00020000
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#define BM_I2C_CTRL0_PRE_SEND_START 0x00080000
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#define BM_I2C_CTRL0_POST_SEND_STOP 0x00100000
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#define BM_I2C_CTRL0_RETAIN_CLOCK 0x00200000
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#define BM_I2C_CTRL0_SEND_NAK_ON_LAST 0x02000000
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#define BM_I2C_CTRL0_CLKGATE 0x40000000
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#define BM_I2C_CTRL0_SFTRST 0x80000000
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#define HW_I2C_TIMING0 0x10
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#define HW_I2C_TIMING1 0x20
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#define HW_I2C_TIMING2 0x30
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#define HW_I2C_CTRL1 0x40
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#define BM_I2C_CTRL1_SLAVE_IRQ 0x00000001
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#define BP_I2C_CTRL1_SLAVE_IRQ 0
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#define BM_I2C_CTRL1_SLAVE_STOP_IRQ 0x00000002
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#define BM_I2C_CTRL1_MASTER_LOSS_IRQ 0x00000004
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#define BM_I2C_CTRL1_EARLY_TERM_IRQ 0x00000008
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#define BM_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ 0x00000010
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#define BM_I2C_CTRL1_NO_SLAVE_ACK_IRQ 0x00000020
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#define BM_I2C_CTRL1_DATA_ENGINE_CMPLT_IRQ 0x00000040
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#define BM_I2C_CTRL1_BUS_FREE_IRQ 0x00000080
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#define BM_I2C_CTRL1_CLR_GOT_A_NAK 0x10000000
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#define HW_I2C_VERSION 0x90
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