diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/ppc403/tty_drv/tty_drv.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/c/src/lib/libcpu/powerpc/ppc403/tty_drv/tty_drv.c b/c/src/lib/libcpu/powerpc/ppc403/tty_drv/tty_drv.c index 6aade98051..d26c8e2f3a 100644 --- a/c/src/lib/libcpu/powerpc/ppc403/tty_drv/tty_drv.c +++ b/c/src/lib/libcpu/powerpc/ppc403/tty_drv/tty_drv.c @@ -3,7 +3,7 @@ * * Derived from /c/src/lib/libbsp/i386/shared/comm/tty_drv.c * - * Modifications to PPC405GP by Dennis Ehlin + * Modifications to PPC405GP by Dennis Ehlin * */ @@ -73,7 +73,7 @@ struct ttyasync { /*---------------------------------------------------------------------------+ | Alternate function registers +---------------------------------------------------------------------------*/ - #define AFR ISR + #define AFR ISR /*---------------------------------------------------------------------------+ | Line control Register. @@ -154,7 +154,7 @@ int tty0_round(double x) return (int)((int)((x-(int)x)*1000)>500 ? x+1 : x); } -void +void tty0BaudSet(uint32_t baudrate) { uint32_t tmp; @@ -214,13 +214,13 @@ tty0PollRead (int minor) /* Wait for character */ while ((tty0port->LSR & LSR_RSR)==0);; - return tty0port->RBR; + return tty0port->RBR; } -static int +static int tty0PollWrite(int minor,const char *buf,int len) -{ +{ while (len-- > 0) { while (!(tty0port->LSR & LSR_THE));; @@ -231,7 +231,7 @@ tty0PollWrite(int minor,const char *buf,int len) #endif /* ================ Termios support =================*/ - + static int tty0InterruptWrite (int minor, const char *buf, int len) { @@ -239,9 +239,9 @@ static int tty0InterruptWrite (int minor, const char *buf, int len) { return 0; } - + /* Write character */ - + tty0port->THR = (*buf &0xff); tty0port->IER |= IER_XMT; /* always enable tx interrupt */ @@ -259,7 +259,7 @@ static rtems_isr tty0serial_ISR(rtems_vector_number v) for(;;) { vect = tty0port->ISR & 0x0f; - if(vect & 1) + if(vect & 1) { /* no more interrupts */ if(off > 0) { @@ -273,32 +273,32 @@ static rtems_isr tty0serial_ISR(rtems_vector_number v) } vect = vect & 0xe; /*mask out all except interrupt pending*/ - + switch(vect) { case ISR_Tx : - /* - * TX holding empty: we have to disable these interrupts - * if there is nothing more to send. + /* + * TX holding empty: we have to disable these interrupts + * if there is nothing more to send. */ /* If nothing else to send disable interrupts */ ret = rtems_termios_dequeue_characters(tty0ttyp, 1); - + if ( ret == 0 ) { tty0port->IER &= ~IER_XMT; } - + break; case ISR_RxTO: case ISR_Rx : /* disable interrupts and notify termios */ - tty0port->IER &= ~IER_RCV; + tty0port->IER &= ~IER_RCV; /* read all bytes in fifo*/ - while (( off < sizeof(buf) ) && ( tty0port->LSR & LSR_RSR )) + while (( off < sizeof(buf) ) && ( tty0port->LSR & LSR_RSR )) { buf[off++] = tty0port->RBR; } @@ -318,17 +318,17 @@ static rtems_isr tty0serial_ISR(rtems_vector_number v) } -/* +/* * - * deinit TTY0 + * deinit TTY0 * */ void -tty0DeInit(void) +tty0DeInit(void) { /* - * disable interrupts for serial tty0port - * set it to state to work with polling boot monitor, if any... + * disable interrupts for serial tty0port + * set it to state to work with polling boot monitor, if any... */ /* set up baud rate to original state */ @@ -338,13 +338,13 @@ tty0DeInit(void) } -/* +/* * - * init SPI + * init SPI * */ -rtems_status_code -tty0Initialize(void) +rtems_status_code +tty0Initialize(void) { register unsigned tmp; rtems_isr_entry previous_isr; /* this is a dummy */ @@ -354,10 +354,10 @@ tty0Initialize(void) extern bool bsp_serial_external_clock; /* - * Initialise the serial tty0port + * Initialise the serial tty0port */ - /* + /* * Select clock source and set uart internal clock divisor */ @@ -379,22 +379,22 @@ tty0Initialize(void) /* set up baud rate */ tty0BaudSet(bsp_serial_rate); - + #ifdef TTY0_USE_INTERRUPT /* add rx/tx isr to vector table */ - if (TTY0_USE_UART==0) + if (TTY0_USE_UART==0) ictrl_set_vector(tty0serial_ISR,PPC_IRQ_EXT_UART0,&previous_isr); else ictrl_set_vector(tty0serial_ISR,PPC_IRQ_EXT_UART1,&previous_isr); - + /* Enable and clear FIFO */ tty0port->FCR = FCR_FE | FCR_CRF | FCR_CTF | FCR_RT14; /* Read status to clear them */ - _tmp = tty0port->LSR; + _tmp = tty0port->LSR; _tmp = tty0port->RBR; _tmp = tty0port->MSR; @@ -446,9 +446,9 @@ rtems_device_driver tty0_initialize( /* * Do device-specific initialization */ - + /*tty0Initialize (); Moved this to open instead */ - + /* * Register the device */ @@ -462,7 +462,7 @@ rtems_device_driver tty0_initialize( /* * Open entry point */ - + rtems_device_driver tty0_open( rtems_device_major_number major, rtems_device_minor_number minor, @@ -511,11 +511,11 @@ rtems_device_driver tty0_open( return sc; } - + /* * Close entry point */ - + rtems_device_driver tty0_close( rtems_device_major_number major, rtems_device_minor_number minor, @@ -524,11 +524,11 @@ rtems_device_driver tty0_close( { return rtems_termios_close (arg); } - + /* * read bytes from the serial port. We only have stdin. */ - + rtems_device_driver tty0_read( rtems_device_major_number major, rtems_device_minor_number minor, @@ -537,11 +537,11 @@ rtems_device_driver tty0_read( { return rtems_termios_read (arg); } - + /* * write bytes to the serial port. Stdout and stderr are the same. */ - + rtems_device_driver tty0_write( rtems_device_major_number major, rtems_device_minor_number minor, @@ -550,11 +550,11 @@ rtems_device_driver tty0_write( { return rtems_termios_write (arg); } - + /* * IO Control entry point */ - + rtems_device_driver tty0_control( rtems_device_major_number major, rtems_device_minor_number minor, |