projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 935ecca1 WD |
1 | #ifndef _440_i2c_h_ |
| 2 | #define _440_i2c_h_ | |
| 3 | ||
| 887e2ec9 SR |
4 | #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ |
| 5 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) | |
| c157d8e2 SR |
6 | #define I2C_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000700) |
| 7 | #else | |
| 935ecca1 | 8 | #define I2C_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000400) |
| 846b0dd2 | 9 | #endif /*CONFIG_440EP CONFIG_440GR*/ |
| 935ecca1 WD |
10 | |
| 11 | #define I2C_REGISTERS_BASE_ADDRESS I2C_BASE_ADDR | |
| 12 | #define IIC_MDBUF (I2C_REGISTERS_BASE_ADDRESS+IICMDBUF) | |
| 13 | #define IIC_SDBUF (I2C_REGISTERS_BASE_ADDRESS+IICSDBUF) | |
| 14 | #define IIC_LMADR (I2C_REGISTERS_BASE_ADDRESS+IICLMADR) | |
| 15 | #define IIC_HMADR (I2C_REGISTERS_BASE_ADDRESS+IICHMADR) | |
| 16 | #define IIC_CNTL (I2C_REGISTERS_BASE_ADDRESS+IICCNTL) | |
| 17 | #define IIC_MDCNTL (I2C_REGISTERS_BASE_ADDRESS+IICMDCNTL) | |
| 18 | #define IIC_STS (I2C_REGISTERS_BASE_ADDRESS+IICSTS) | |
| 19 | #define IIC_EXTSTS (I2C_REGISTERS_BASE_ADDRESS+IICEXTSTS) | |
| 20 | #define IIC_LSADR (I2C_REGISTERS_BASE_ADDRESS+IICLSADR) | |
| 21 | #define IIC_HSADR (I2C_REGISTERS_BASE_ADDRESS+IICHSADR) | |
| 22 | #define IIC_CLKDIV (I2C_REGISTERS_BASE_ADDRESS+IICCLKDIV) | |
| 23 | #define IIC_INTRMSK (I2C_REGISTERS_BASE_ADDRESS+IICINTRMSK) | |
| 24 | #define IIC_XFRCNT (I2C_REGISTERS_BASE_ADDRESS+IICXFRCNT) | |
| 25 | #define IIC_XTCNTLSS (I2C_REGISTERS_BASE_ADDRESS+IICXTCNTLSS) | |
| 26 | #define IIC_DIRECTCNTL (I2C_REGISTERS_BASE_ADDRESS+IICDIRECTCNTL) | |
| 27 | ||
| 28 | /* MDCNTL Register Bit definition */ | |
| 29 | #define IIC_MDCNTL_HSCL 0x01 | |
| 30 | #define IIC_MDCNTL_EUBS 0x02 | |
| 31 | #define IIC_MDCNTL_EINT 0x04 | |
| 32 | #define IIC_MDCNTL_ESM 0x08 | |
| 33 | #define IIC_MDCNTL_FSM 0x10 | |
| 34 | #define IIC_MDCNTL_EGC 0x20 | |
| 35 | #define IIC_MDCNTL_FMDB 0x40 | |
| 36 | #define IIC_MDCNTL_FSDB 0x80 | |
| 37 | ||
| 38 | /* CNTL Register Bit definition */ | |
| 39 | #define IIC_CNTL_PT 0x01 | |
| 40 | #define IIC_CNTL_READ 0x02 | |
| 41 | #define IIC_CNTL_CHT 0x04 | |
| 42 | #define IIC_CNTL_RPST 0x08 | |
| 43 | /* bit 2/3 for Transfer count*/ | |
| 44 | #define IIC_CNTL_AMD 0x40 | |
| 45 | #define IIC_CNTL_HMT 0x80 | |
| 46 | ||
| 47 | /* STS Register Bit definition */ | |
| 48 | #define IIC_STS_PT 0X01 | |
| 49 | #define IIC_STS_IRQA 0x02 | |
| 50 | #define IIC_STS_ERR 0X04 | |
| 51 | #define IIC_STS_SCMP 0x08 | |
| 52 | #define IIC_STS_MDBF 0x10 | |
| 53 | #define IIC_STS_MDBS 0X20 | |
| 54 | #define IIC_STS_SLPR 0x40 | |
| 55 | #define IIC_STS_SSS 0x80 | |
| 56 | ||
| 57 | /* EXTSTS Register Bit definition */ | |
| 58 | #define IIC_EXTSTS_XFRA 0X01 | |
| 59 | #define IIC_EXTSTS_ICT 0X02 | |
| 60 | #define IIC_EXTSTS_LA 0X04 | |
| 61 | ||
| 62 | /* XTCNTLSS Register Bit definition */ | |
| 63 | #define IIC_XTCNTLSS_SRST 0x01 | |
| 64 | #define IIC_XTCNTLSS_EPI 0x02 | |
| 65 | #define IIC_XTCNTLSS_SDBF 0x04 | |
| 66 | #define IIC_XTCNTLSS_SBDD 0x08 | |
| 67 | #define IIC_XTCNTLSS_SWS 0x10 | |
| 68 | #define IIC_XTCNTLSS_SWC 0x20 | |
| 69 | #define IIC_XTCNTLSS_SRS 0x40 | |
| 70 | #define IIC_XTCNTLSS_SRC 0x80 | |
| 71 | #endif |