Lines Matching refs:com_port
129 ns16550_writeb(com_port, \
130 (unsigned char *)addr - (unsigned char *)com_port, value)
132 ns16550_readb(com_port, \
133 (unsigned char *)addr - (unsigned char *)com_port)
148 static void NS16550_setbrg(NS16550_t com_port, int baud_divisor) in NS16550_setbrg() argument
150 serial_out(UART_LCR_BKSE | UART_LCRVAL, &com_port->lcr); in NS16550_setbrg()
151 serial_out(baud_divisor & 0xff, &com_port->dll); in NS16550_setbrg()
152 serial_out((baud_divisor >> 8) & 0xff, &com_port->dlm); in NS16550_setbrg()
153 serial_out(UART_LCRVAL, &com_port->lcr); in NS16550_setbrg()
156 void NS16550_init(NS16550_t com_port, int baud_divisor) in NS16550_init() argument
165 if ((serial_in(&com_port->lsr) & (UART_LSR_TEMT | UART_LSR_THRE)) in NS16550_init()
168 NS16550_setbrg(com_port, baud_divisor); in NS16550_init()
169 serial_out(0, &com_port->mdr1); in NS16550_init()
173 while (!(serial_in(&com_port->lsr) & UART_LSR_TEMT)) in NS16550_init()
176 serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); in NS16550_init()
178 serial_out(0x7, &com_port->mdr1); /* mode select reset TL16C750*/ in NS16550_init()
180 serial_out(UART_MCRVAL, &com_port->mcr); in NS16550_init()
181 serial_out(ns16550_getfcr(com_port), &com_port->fcr); in NS16550_init()
183 NS16550_setbrg(com_port, baud_divisor); in NS16550_init()
186 serial_out(0, &com_port->mdr1); in NS16550_init()
189 serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC); in NS16550_init()
194 void NS16550_reinit(NS16550_t com_port, int baud_divisor) in NS16550_reinit() argument
196 serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); in NS16550_reinit()
197 NS16550_setbrg(com_port, 0); in NS16550_reinit()
198 serial_out(UART_MCRVAL, &com_port->mcr); in NS16550_reinit()
199 serial_out(ns16550_getfcr(com_port), &com_port->fcr); in NS16550_reinit()
200 NS16550_setbrg(com_port, baud_divisor); in NS16550_reinit()
204 void NS16550_putc(NS16550_t com_port, char c) in NS16550_putc() argument
206 while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0) in NS16550_putc()
208 serial_out(c, &com_port->thr); in NS16550_putc()
221 char NS16550_getc(NS16550_t com_port) in NS16550_getc() argument
223 while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0) { in NS16550_getc()
230 return serial_in(&com_port->rbr); in NS16550_getc()
233 int NS16550_tstc(NS16550_t com_port) in NS16550_tstc() argument
235 return (serial_in(&com_port->lsr) & UART_LSR_DR) != 0; in NS16550_tstc()
246 struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_init() local
261 baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK, in _debug_uart_init()
263 serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER); in _debug_uart_init()
264 serial_dout(&com_port->mcr, UART_MCRVAL); in _debug_uart_init()
265 serial_dout(&com_port->fcr, UART_FCR_DEFVAL); in _debug_uart_init()
267 serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); in _debug_uart_init()
268 serial_dout(&com_port->dll, baud_divisor & 0xff); in _debug_uart_init()
269 serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff); in _debug_uart_init()
270 serial_dout(&com_port->lcr, UART_LCRVAL); in _debug_uart_init()
275 struct NS16550 *com_port; in _debug_uart_putc() local
281 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_putc()
283 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_putc()
285 while (!(serial_din(&com_port->lsr) & UART_LSR_THRE)) in _debug_uart_putc()
287 serial_dout(&com_port->thr, ch); in _debug_uart_putc()
292 struct NS16550 *com_port; in _debug_uart_getc() local
298 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_getc()
300 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_getc()
302 while (!(serial_din(&com_port->lsr) & UART_LSR_DR)) in _debug_uart_getc()
305 return serial_din(&com_port->rbr); in _debug_uart_getc()
310 struct NS16550 *com_port; in _debug_uart_tstc() local
316 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_tstc()
318 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_tstc()
321 return serial_din(&com_port->lsr) & UART_LSR_DR ? 1 : 0; in _debug_uart_tstc()
323 return serial_din(&com_port->lsr) & UART_LSR_THRE ? 0 : 1; in _debug_uart_tstc()
328 struct NS16550 *com_port; in _debug_uart_clrc() local
334 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_clrc()
336 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_clrc()
338 serial_dout(&com_port->fcr, UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT); in _debug_uart_clrc()
345 struct NS16550 *com_port; in _debug_uart_flushc() local
351 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_flushc()
353 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_flushc()
362 while (!(serial_din(&com_port->rbr + 0x1f) & 0x04)) in _debug_uart_flushc()
371 struct NS16550 *com_port; in _debug_uart_setbrg() local
378 com_port = (struct NS16550 *)gd->serial.addr; in _debug_uart_setbrg()
379 baud_divisor = ns16550_calc_divisor(com_port, in _debug_uart_setbrg()
382 com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_setbrg()
383 baud_divisor = ns16550_calc_divisor(com_port, in _debug_uart_setbrg()
387 serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); in _debug_uart_setbrg()
388 serial_dout(&com_port->dll, baud_divisor & 0xff); in _debug_uart_setbrg()
389 serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff); in _debug_uart_setbrg()
390 serial_dout(&com_port->lcr, UART_LCRVAL); in _debug_uart_setbrg()
405 struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_init() local
408 baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK, in _debug_uart_init()
410 serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER); in _debug_uart_init()
411 serial_dout(&com_port->mdr1, 0x7); in _debug_uart_init()
412 serial_dout(&com_port->mcr, UART_MCRVAL); in _debug_uart_init()
413 serial_dout(&com_port->fcr, UART_FCR_DEFVAL); in _debug_uart_init()
415 serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); in _debug_uart_init()
416 serial_dout(&com_port->dll, baud_divisor & 0xff); in _debug_uart_init()
417 serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff); in _debug_uart_init()
418 serial_dout(&com_port->lcr, UART_LCRVAL); in _debug_uart_init()
419 serial_dout(&com_port->mdr1, 0x0); in _debug_uart_init()
424 struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE; in _debug_uart_putc() local
426 while (!(serial_din(&com_port->lsr) & UART_LSR_THRE)) in _debug_uart_putc()
428 serial_dout(&com_port->thr, ch); in _debug_uart_putc()
438 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_putc() local
447 while (!(serial_in(&com_port->rbr + 0x1f) & 0x02)) in ns16550_serial_putc()
449 serial_out(ch, &com_port->thr); in ns16550_serial_putc()
465 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_pending() local
468 return serial_in(&com_port->lsr) & UART_LSR_DR ? 1 : 0; in ns16550_serial_pending()
470 return serial_in(&com_port->lsr) & UART_LSR_THRE ? 0 : 1; in ns16550_serial_pending()
475 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_getc() local
477 if (!(serial_in(&com_port->lsr) & UART_LSR_DR)) in ns16550_serial_getc()
480 return serial_in(&com_port->rbr); in ns16550_serial_getc()
485 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_setbrg() local
486 struct ns16550_platdata *plat = com_port->plat; in ns16550_serial_setbrg()
489 clock_divisor = ns16550_calc_divisor(com_port, plat->clock, baudrate); in ns16550_serial_setbrg()
491 NS16550_setbrg(com_port, clock_divisor); in ns16550_serial_setbrg()
498 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_clear() local
500 serial_out(UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, &com_port->fcr); in ns16550_serial_clear()
507 struct NS16550 *const com_port = dev_get_priv(dev); in ns16550_serial_probe() local
509 com_port->plat = dev_get_platdata(dev); in ns16550_serial_probe()
510 NS16550_init(com_port, -1); in ns16550_serial_probe()