1/* 2 * stmp378x: I2C register definitions 3 * 4 * Copyright (c) 2008 Freescale Semiconductor 5 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21#define REGS_I2C_BASE (STMP3XXX_REGS_BASE + 0x58000) 22#define REGS_I2C_PHYS 0x80058000 23#define REGS_I2C_SIZE 0x2000 24 25#define HW_I2C_CTRL0 0x0 26#define BM_I2C_CTRL0_XFER_COUNT 0x0000FFFF 27#define BP_I2C_CTRL0_XFER_COUNT 0 28#define BM_I2C_CTRL0_DIRECTION 0x00010000 29#define BM_I2C_CTRL0_MASTER_MODE 0x00020000 30#define BM_I2C_CTRL0_PRE_SEND_START 0x00080000 31#define BM_I2C_CTRL0_POST_SEND_STOP 0x00100000 32#define BM_I2C_CTRL0_RETAIN_CLOCK 0x00200000 33#define BM_I2C_CTRL0_SEND_NAK_ON_LAST 0x02000000 34#define BM_I2C_CTRL0_CLKGATE 0x40000000 35#define BM_I2C_CTRL0_SFTRST 0x80000000 36 37#define HW_I2C_TIMING0 0x10 38 39#define HW_I2C_TIMING1 0x20 40 41#define HW_I2C_TIMING2 0x30 42 43#define HW_I2C_CTRL1 0x40 44#define BM_I2C_CTRL1_SLAVE_IRQ 0x00000001 45#define BP_I2C_CTRL1_SLAVE_IRQ 0 46#define BM_I2C_CTRL1_SLAVE_STOP_IRQ 0x00000002 47#define BM_I2C_CTRL1_MASTER_LOSS_IRQ 0x00000004 48#define BM_I2C_CTRL1_EARLY_TERM_IRQ 0x00000008 49#define BM_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ 0x00000010 50#define BM_I2C_CTRL1_NO_SLAVE_ACK_IRQ 0x00000020 51#define BM_I2C_CTRL1_DATA_ENGINE_CMPLT_IRQ 0x00000040 52#define BM_I2C_CTRL1_BUS_FREE_IRQ 0x00000080 53#define BM_I2C_CTRL1_CLR_GOT_A_NAK 0x10000000 54 55#define HW_I2C_VERSION 0x90 56