diff options
Diffstat (limited to 'include/mpc5xxx.h')
| -rw-r--r-- | include/mpc5xxx.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h index 02683e3..b38d7d4 100644 --- a/include/mpc5xxx.h +++ b/include/mpc5xxx.h @@ -108,6 +108,9 @@ #define MPC5XXX_FEC (CFG_MBAR + 0x3000) +#define MPC5XXX_I2C1 (CFG_MBAR + 0x3D00) +#define MPC5XXX_I2C2 (CFG_MBAR + 0x3D40) + #if defined(CONFIG_MGT5100) #define MPC5XXX_SRAM (CFG_MBAR + 0x4000) #define MPC5XXX_SRAM_SIZE (8*1024) @@ -197,6 +200,24 @@ #define MPC5XXX_GPT0_ENABLE (MPC5XXX_GPT + 0x0) #define MPC5XXX_GPT0_COUNTER (MPC5XXX_GPT + 0x4) +/* I2Cn control register bits */ +#define I2C_EN 0x80 +#define I2C_IEN 0x40 +#define I2C_STA 0x20 +#define I2C_TX 0x10 +#define I2C_TXAK 0x08 +#define I2C_RSTA 0x04 +#define I2C_INIT_MASK (I2C_EN | I2C_STA | I2C_TX | I2C_RSTA) + +/* I2Cn status register bits */ +#define I2C_CF 0x80 +#define I2C_AAS 0x40 +#define I2C_BB 0x20 +#define I2C_AL 0x10 +#define I2C_SRW 0x04 +#define I2C_IF 0x02 +#define I2C_RXAK 0x01 + /* Programmable Serial Controller (PSC) status register bits */ #define PSC_SR_CDE 0x0080 #define PSC_SR_RXRDY 0x0100 @@ -505,6 +526,14 @@ struct mpc5xxx_sdma { volatile u32 EU37; /* SDMA + 0xfc */ }; +struct mpc5xxx_i2c { + volatile u32 madr; /* I2Cn + 0x00 */ + volatile u32 mfdr; /* I2Cn + 0x04 */ + volatile u32 mcr; /* I2Cn + 0x08 */ + volatile u32 msr; /* I2Cn + 0x0C */ + volatile u32 mdr; /* I2Cn + 0x10 */ +}; + /* function prototypes */ void loadtask(int basetask, int tasks); |