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Diffstat (limited to 'include/4xx_i2c.h')
| -rw-r--r-- | include/4xx_i2c.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/include/4xx_i2c.h b/include/4xx_i2c.h deleted file mode 100644 index 0c6c926..0000000 --- a/include/4xx_i2c.h +++ /dev/null @@ -1,127 +0,0 @@ -/* - * (C) Copyright 2007-2009 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _4xx_i2c_h_ -#define _4xx_i2c_h_ - -#define IIC_OK 0 -#define IIC_NOK 1 -#define IIC_NOK_LA 2 /* Lost arbitration */ -#define IIC_NOK_ICT 3 /* Incomplete transfer */ -#define IIC_NOK_XFRA 4 /* Transfer aborted */ -#define IIC_NOK_DATA 5 /* No data in buffer */ -#define IIC_NOK_TOUT 6 /* Transfer timeout */ - -#define IIC_TIMEOUT 1 /* 1 second */ - -#if defined(CONFIG_I2C_MULTI_BUS) -#define I2C_BUS_OFFS (i2c_bus_num * 0x100) -#else -#define I2C_BUS_OFFS (0x000) -#endif /* CONFIG_I2C_MULTI_BUS */ - -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_460EX) || defined(CONFIG_460GT) -#define I2C_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS) -#elif defined(CONFIG_440) || defined(CONFIG_405EX) -/* all remaining 440 variants */ -#define I2C_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS) -#else -/* all 405 variants */ -#define I2C_BASE_ADDR (0xEF600500 + I2C_BUS_OFFS) -#endif - -struct ppc4xx_i2c { - u8 mdbuf; - u8 res1; - u8 sdbuf; - u8 res2; - u8 lmadr; - u8 hmadr; - u8 cntl; - u8 mdcntl; - u8 sts; - u8 extsts; - u8 lsadr; - u8 hsadr; - u8 clkdiv; - u8 intrmsk; - u8 xfrcnt; - u8 xtcntlss; - u8 directcntl; - u8 intr; -}; - -/* MDCNTL Register Bit definition */ -#define IIC_MDCNTL_HSCL 0x01 -#define IIC_MDCNTL_EUBS 0x02 -#define IIC_MDCNTL_EINT 0x04 -#define IIC_MDCNTL_ESM 0x08 -#define IIC_MDCNTL_FSM 0x10 -#define IIC_MDCNTL_EGC 0x20 -#define IIC_MDCNTL_FMDB 0x40 -#define IIC_MDCNTL_FSDB 0x80 - -/* CNTL Register Bit definition */ -#define IIC_CNTL_PT 0x01 -#define IIC_CNTL_READ 0x02 -#define IIC_CNTL_CHT 0x04 -#define IIC_CNTL_RPST 0x08 -/* bit 2/3 for Transfer count*/ -#define IIC_CNTL_AMD 0x40 -#define IIC_CNTL_HMT 0x80 - -/* STS Register Bit definition */ -#define IIC_STS_PT 0x01 -#define IIC_STS_IRQA 0x02 -#define IIC_STS_ERR 0x04 -#define IIC_STS_SCMP 0x08 -#define IIC_STS_MDBF 0x10 -#define IIC_STS_MDBS 0x20 -#define IIC_STS_SLPR 0x40 -#define IIC_STS_SSS 0x80 - -/* EXTSTS Register Bit definition */ -#define IIC_EXTSTS_XFRA 0x01 -#define IIC_EXTSTS_ICT 0x02 -#define IIC_EXTSTS_LA 0x04 - -/* XTCNTLSS Register Bit definition */ -#define IIC_XTCNTLSS_SRST 0x01 -#define IIC_XTCNTLSS_EPI 0x02 -#define IIC_XTCNTLSS_SDBF 0x04 -#define IIC_XTCNTLSS_SBDD 0x08 -#define IIC_XTCNTLSS_SWS 0x10 -#define IIC_XTCNTLSS_SWC 0x20 -#define IIC_XTCNTLSS_SRS 0x40 -#define IIC_XTCNTLSS_SRC 0x80 - -/* IICx_DIRECTCNTL register */ -#define IIC_DIRCNTL_SDAC 0x08 -#define IIC_DIRCNTL_SCC 0x04 -#define IIC_DIRCNTL_MSDA 0x02 -#define IIC_DIRCNTL_MSC 0x01 - -#define DIRCTNL_FREE(v) (((v) & 0x0f) == 0x0f) -#endif |