diff options
Diffstat (limited to 'include/configs/TOP860.h')
| -rw-r--r-- | include/configs/TOP860.h | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/include/configs/TOP860.h b/include/configs/TOP860.h index af74f9d..99a7b08 100644 --- a/include/configs/TOP860.h +++ b/include/configs/TOP860.h @@ -181,17 +181,20 @@ #if defined (CONFIG_SOFT_I2C) #define SDA 0x00010 #define SCL 0x00020 -#define DIR immr->im_cpm.cp_pbdir -#define DAT immr->im_cpm.cp_pbdat -#define PAR immr->im_cpm.cp_pbpar -#define ODR immr->im_cpm.cp_pbodr -#define I2C_INIT {PAR&=~(SDA|SCL);ODR&=~(SDA|SCL);DAT|=(SDA|SCL);DIR|=(SDA|SCL);} -#define I2C_READ ((DAT&SDA)?1:0) -#define I2C_SDA(x) {if(x)DAT|=SDA;else DAT&=~SDA;} -#define I2C_SCL(x) {if(x)DAT|=SCL;else DAT&=~SCL;} -#define I2C_DELAY {udelay(5);} -#define I2C_ACTIVE {DIR|=SDA;} -#define I2C_TRISTATE {DIR&=~SDA;} +#define __I2C_DIR immr->im_cpm.cp_pbdir +#define __I2C_DAT immr->im_cpm.cp_pbdat +#define __I2C_PAR immr->im_cpm.cp_pbpar +#define __I2C_ODR immr->im_cpm.cp_pbodr +#define I2C_INIT { __I2C_PAR &= ~(SDA|SCL); \ + __I2C_ODR &= ~(SDA|SCL); \ + __I2C_DAT |= (SDA|SCL); \ + __I2C_DIR|=(SDA|SCL); } +#define I2C_READ ((__I2C_DAT & SDA) ? 1 : 0) +#define I2C_SDA(x) { if (x) __I2C_DAT |= SDA; else __I2C_DAT &= ~SDA; } +#define I2C_SCL(x) { if (x) __I2C_DAT |= SCL; else __I2C_DAT &= ~SCL; } +#define I2C_DELAY { udelay(5); } +#define I2C_ACTIVE { __I2C_DIR |= SDA; } +#define I2C_TRISTATE { __I2C_DIR &= ~SDA; } #endif #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } |