diff options
Diffstat (limited to 'board/bmw/ns16550.c')
| -rw-r--r-- | board/bmw/ns16550.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/board/bmw/ns16550.c b/board/bmw/ns16550.c index b1c28eb..7064567 100644 --- a/board/bmw/ns16550.c +++ b/board/bmw/ns16550.c @@ -9,49 +9,49 @@ typedef struct NS16550 *NS16550_t; -const NS16550_t COM_PORTS[] = { (NS16550_t) ((CFG_EUMB_ADDR) + 0x4500), (NS16550_t) ((CFG_EUMB_ADDR) + 0x4600)}; +const NS16550_t COM_PORTS[] = + { (NS16550_t) ((CFG_EUMB_ADDR) + 0x4500), +(NS16550_t) ((CFG_EUMB_ADDR) + 0x4600) }; -volatile struct NS16550 * -NS16550_init(int chan, int baud_divisor) +volatile struct NS16550 *NS16550_init (int chan, int baud_divisor) { - volatile struct NS16550 *com_port; - com_port = (struct NS16550 *) COM_PORTS[chan]; - com_port->ier = 0x00; - com_port->lcr = LCR_BKSE; /* Access baud rate */ - com_port->dll = baud_divisor & 0xff; /* 9600 baud */ - com_port->dlm = (baud_divisor >> 8) & 0xff; - com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */ - com_port->mcr = MCR_RTS; /* RTS/DTR */ - com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR; /* Clear & enable FIFOs */ -return (com_port); + volatile struct NS16550 *com_port; + + com_port = (struct NS16550 *) COM_PORTS[chan]; + com_port->ier = 0x00; + com_port->lcr = LCR_BKSE; /* Access baud rate */ + com_port->dll = baud_divisor & 0xff; /* 9600 baud */ + com_port->dlm = (baud_divisor >> 8) & 0xff; + com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */ + com_port->mcr = MCR_RTS; /* RTS/DTR */ + com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR; /* Clear & enable FIFOs */ + return (com_port); } -void -NS16550_reinit(volatile struct NS16550 *com_port, int baud_divisor) +void NS16550_reinit (volatile struct NS16550 *com_port, int baud_divisor) { - com_port->ier = 0x00; - com_port->lcr = LCR_BKSE; /* Access baud rate */ - com_port->dll = baud_divisor & 0xff; /* 9600 baud */ - com_port->dlm = (baud_divisor >> 8) & 0xff; - com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */ - com_port->mcr = MCR_RTS; /* RTS/DTR */ - com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR; /* Clear & enable FIFOs */ + com_port->ier = 0x00; + com_port->lcr = LCR_BKSE; /* Access baud rate */ + com_port->dll = baud_divisor & 0xff; /* 9600 baud */ + com_port->dlm = (baud_divisor >> 8) & 0xff; + com_port->lcr = LCR_8N1; /* 8 data, 1 stop, no parity */ + com_port->mcr = MCR_RTS; /* RTS/DTR */ + com_port->fcr = FCR_FIFO_EN | FCR_RXSR | FCR_TXSR; /* Clear & enable FIFOs */ } -void NS16550_putc(volatile struct NS16550 *com_port, unsigned char c) +void NS16550_putc (volatile struct NS16550 *com_port, unsigned char c) { - while ((com_port->lsr & LSR_THRE) == 0) ; - com_port->thr = c; + while ((com_port->lsr & LSR_THRE) == 0); + com_port->thr = c; } -unsigned char -NS16550_getc(volatile struct NS16550 *com_port) +unsigned char NS16550_getc (volatile struct NS16550 *com_port) { - while ((com_port->lsr & LSR_DR) == 0) ; - return (com_port->rbr); + while ((com_port->lsr & LSR_DR) == 0); + return (com_port->rbr); } -int NS16550_tstc(volatile struct NS16550 *com_port) +int NS16550_tstc (volatile struct NS16550 *com_port) { - return ((com_port->lsr & LSR_DR) != 0); + return ((com_port->lsr & LSR_DR) != 0); } |