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
255 	baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,  in _debug_uart_init()
257 	serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER);  in _debug_uart_init()
258 	serial_dout(&com_port->mcr, UART_MCRVAL);  in _debug_uart_init()
259 	serial_dout(&com_port->fcr, UART_FCR_DEFVAL);  in _debug_uart_init()
261 	serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);  in _debug_uart_init()
262 	serial_dout(&com_port->dll, baud_divisor & 0xff);  in _debug_uart_init()
263 	serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff);  in _debug_uart_init()
264 	serial_dout(&com_port->lcr, UART_LCRVAL);  in _debug_uart_init()
269 	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_putc()  local
271 	while (!(serial_din(&com_port->lsr) & UART_LSR_THRE))  in _debug_uart_putc()
273 	serial_dout(&com_port->thr, ch);  in _debug_uart_putc()
286 	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_init()  local
289 	baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,  in _debug_uart_init()
291 	serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER);  in _debug_uart_init()
292 	serial_dout(&com_port->mdr1, 0x7);  in _debug_uart_init()
293 	serial_dout(&com_port->mcr, UART_MCRVAL);  in _debug_uart_init()
294 	serial_dout(&com_port->fcr, UART_FCR_DEFVAL);  in _debug_uart_init()
296 	serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);  in _debug_uart_init()
297 	serial_dout(&com_port->dll, baud_divisor & 0xff);  in _debug_uart_init()
298 	serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff);  in _debug_uart_init()
299 	serial_dout(&com_port->lcr, UART_LCRVAL);  in _debug_uart_init()
300 	serial_dout(&com_port->mdr1, 0x0);  in _debug_uart_init()
305 	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;  in _debug_uart_putc()  local
307 	while (!(serial_din(&com_port->lsr) & UART_LSR_THRE))  in _debug_uart_putc()
309 	serial_dout(&com_port->thr, ch);  in _debug_uart_putc()
319 	struct NS16550 *const com_port = dev_get_priv(dev);  in ns16550_serial_putc()  local
321 	if (!(serial_in(&com_port->lsr) & UART_LSR_THRE))  in ns16550_serial_putc()
323 	serial_out(ch, &com_port->thr);  in ns16550_serial_putc()
339 	struct NS16550 *const com_port = dev_get_priv(dev);  in ns16550_serial_pending()  local
342 		return (serial_in(&com_port->lsr) & UART_LSR_DR) ? 1 : 0;  in ns16550_serial_pending()
344 		return (serial_in(&com_port->lsr) & UART_LSR_THRE) ? 0 : 1;  in ns16550_serial_pending()
349 	struct NS16550 *const com_port = dev_get_priv(dev);  in ns16550_serial_getc()  local
351 	if (!(serial_in(&com_port->lsr) & UART_LSR_DR))  in ns16550_serial_getc()
354 	return serial_in(&com_port->rbr);  in ns16550_serial_getc()
359 	struct NS16550 *const com_port = dev_get_priv(dev);  in ns16550_serial_setbrg()  local
360 	struct ns16550_platdata *plat = com_port->plat;  in ns16550_serial_setbrg()
363 	clock_divisor = ns16550_calc_divisor(com_port, plat->clock, baudrate);  in ns16550_serial_setbrg()
365 	NS16550_setbrg(com_port, clock_divisor);  in ns16550_serial_setbrg()
372 	struct NS16550 *const com_port = dev_get_priv(dev);  in ns16550_serial_probe()  local
374 	com_port->plat = dev_get_platdata(dev);  in ns16550_serial_probe()
375 	NS16550_init(com_port, -1);  in ns16550_serial_probe()