diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c b/c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c index a12ee38052..c0f34b38c7 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c +++ b/c/src/lib/libbsp/powerpc/mvme5500/GT64260/GT64260TWSI.c @@ -13,8 +13,8 @@ * For full TWSI protocol description look in Philips Semiconductor * TWSI spec. * - * We need it to read out I2C devices used for the MVME5500 - * (eg. the memory SPD and VPD). + * We need it to read out I2C devices used for the MVME5500 + * (eg. the memory SPD and VPD). * */ #include <libcpu/spr.h> /*registers.h included here for rtems_bsp_delay()*/ @@ -42,8 +42,8 @@ void GT64260TWSIinit(void) /* See 24.2.5 : Assume bus speed is 133MHZ * Try to be close to the default frequency : 62.5KHZ - * value 0x2c: 69.27 KHz TWSI bus clock - */ + * value 0x2c: 69.27 KHz TWSI bus clock + */ outl(0x2c, TWSI_BAUDE_RATE); rtems_bsp_delay(1000); @@ -54,11 +54,11 @@ void GT64260TWSIinit(void) #if TWSI_DEBUG printk(")\n"); #endif - } + } } /* return the interrupt flag */ -int GT64260TWSIintFlag(void) +int GT64260TWSIintFlag(void) { unsigned int loop; @@ -70,7 +70,7 @@ int GT64260TWSIintFlag(void) return(0); } -int GT64260TWSIstop(void) +int GT64260TWSIstop(void) { #if TWSI_DEBUG @@ -97,8 +97,8 @@ int GT64260TWSIstop(void) int GT64260TWSIstart(void) { - unsigned int loop; - unsigned int status; + unsigned int loop; + unsigned int status; #if TWSI_DEBUG printk("GT64260TWSIstart("); @@ -113,7 +113,7 @@ int GT64260TWSIstart(void) if (GT64260TWSIintFlag()) { /* Check for completion of START sequence */ for (loop = 0; loop<MAX_LOOP; loop++ ) { - /* if (start condition transmitted) || + /* if (start condition transmitted) || * (repeated start condition transmitted ) */ if (((status= inl( TWSI_STATUS)) == 8) || (status == 0x10)) { @@ -130,9 +130,9 @@ int GT64260TWSIstart(void) return(-1); } -int GT64260TWSIread(unsigned char * pData, int lastByte) +int GT64260TWSIread(unsigned char * pData, int lastByte) { - unsigned int loop; + unsigned int loop; #if TWSI_DEBUG printk("GT64260TWSIread("); @@ -145,7 +145,7 @@ int GT64260TWSIread(unsigned char * pData, int lastByte) for (loop = 0; loop< MAX_LOOP; loop++) { /* if Master received read data, acknowledge transmitted */ if ( (inl( TWSI_STATUS) == 0x50)) { - *pData = (unsigned char) inl( TWSI_DATA); + *pData = (unsigned char) inl( TWSI_DATA); rtems_bsp_delay(1500); /* Clear INTFLAG and set Enable bit only */ @@ -165,16 +165,16 @@ int GT64260TWSIread(unsigned char * pData, int lastByte) } /* do a TWSI write cycle on the TWSI bus*/ -int GT64260TWSIwrite(unsigned char Data) +int GT64260TWSIwrite(unsigned char Data) { - unsigned int loop; - unsigned int status; + unsigned int loop; + unsigned int status; #if TWSI_DEBUG printk("GT64260TWSIwrite("); #endif /* Write data into the TWSI data register */ - outl(((unsigned int) Data), TWSI_DATA); + outl(((unsigned int) Data), TWSI_DATA); rtems_bsp_delay(1000); /* Clear INTFLG in the control register to drive data onto TWSI bus */ @@ -192,7 +192,7 @@ int GT64260TWSIwrite(unsigned char Data) return(-1); } /* if (address + write bit transmitted, acknowledge received) - * (Master transmmitted data byte, acknowledge received) + * (Master transmmitted data byte, acknowledge received) * (address + read bit transmitted, acknowledge received) */ if ((status == 0x18)||(status == 0x28)||(status == 0x40)) { |