1/* 2 * PNX4008-specific tweaks for I2C IP3204 block 3 * 4 * Author: Vitaly Wool <vwool@ru.mvista.com> 5 * 6 * 2005 (c) MontaVista Software, Inc. This file is licensed under 7 * the terms of the GNU General Public License version 2. This program 8 * is licensed "as is" without any warranty of any kind, whether express 9 * or implied. 10 */ 11 12#ifndef __ASM_ARCH_I2C_H__ 13#define __ASM_ARCH_I2C_H__ 14 15enum { 16 mstatus_tdi = 0x00000001, 17 mstatus_afi = 0x00000002, 18 mstatus_nai = 0x00000004, 19 mstatus_drmi = 0x00000008, 20 mstatus_active = 0x00000020, 21 mstatus_scl = 0x00000040, 22 mstatus_sda = 0x00000080, 23 mstatus_rff = 0x00000100, 24 mstatus_rfe = 0x00000200, 25 mstatus_tff = 0x00000400, 26 mstatus_tfe = 0x00000800, 27}; 28 29enum { 30 mcntrl_tdie = 0x00000001, 31 mcntrl_afie = 0x00000002, 32 mcntrl_naie = 0x00000004, 33 mcntrl_drmie = 0x00000008, 34 mcntrl_daie = 0x00000020, 35 mcntrl_rffie = 0x00000040, 36 mcntrl_tffie = 0x00000080, 37 mcntrl_reset = 0x00000100, 38 mcntrl_cdbmode = 0x00000400, 39}; 40 41enum { 42 rw_bit = 1 << 0, 43 start_bit = 1 << 8, 44 stop_bit = 1 << 9, 45}; 46 47#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */ 48#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */ 49#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */ 50#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */ 51#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */ 52#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */ 53#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */ 54#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */ 55#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */ 56#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */ 57#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */ 58#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */ 59#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */ 60 61#define HCLK_MHZ 13 62#define I2C_CHIP_NAME "PNX4008-I2C" 63 64#endif /* __ASM_ARCH_I2C_H___ */ 65