Lines Matching refs:port
445 static void mn10300_serial_dis_tx_intr(struct mn10300_serial_port *port) in mn10300_serial_dis_tx_intr() argument
451 if (!mn10300_serial_int_tbl[port->tx_irq].port) in mn10300_serial_dis_tx_intr()
454 port->tx_flags |= MNSCx_TX_STOP; in mn10300_serial_dis_tx_intr()
466 while ((*port->tx_icr & GxICR_ENABLE) && retries-- > 0) in mn10300_serial_dis_tx_intr()
469 *port->tx_icr = in mn10300_serial_dis_tx_intr()
471 x = *port->tx_icr; in mn10300_serial_dis_tx_intr()
475 static void mn10300_serial_en_tx_intr(struct mn10300_serial_port *port) in mn10300_serial_en_tx_intr() argument
480 if (!mn10300_serial_int_tbl[port->tx_irq].port) in mn10300_serial_en_tx_intr()
484 if (!(port->tx_flags & MNSCx_TX_STOP)) in mn10300_serial_en_tx_intr()
485 mn10300_serial_dis_tx_intr(port); in mn10300_serial_en_tx_intr()
487 port->tx_flags &= ~MNSCx_TX_STOP; in mn10300_serial_en_tx_intr()
490 *port->tx_icr = in mn10300_serial_en_tx_intr()
493 x = *port->tx_icr; in mn10300_serial_en_tx_intr()
496 static void mn10300_serial_dis_rx_intr(struct mn10300_serial_port *port) in mn10300_serial_dis_rx_intr() argument
502 *port->rx_icr = NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL); in mn10300_serial_dis_rx_intr()
503 x = *port->rx_icr; in mn10300_serial_dis_rx_intr()
524 static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port) in mn10300_serial_receive_interrupt() argument
526 struct uart_icount *icount = &port->uart.icount; in mn10300_serial_receive_interrupt()
527 struct tty_port *tport = &port->uart.state->port; in mn10300_serial_receive_interrupt()
532 _enter("%s", port->name); in mn10300_serial_receive_interrupt()
536 count = CIRC_CNT(port->rx_inp, port->rx_outp, MNSC_BUFFER_SIZE); in mn10300_serial_receive_interrupt()
546 ix = ACCESS_ONCE(port->rx_outp); in mn10300_serial_receive_interrupt()
547 if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) { in mn10300_serial_receive_interrupt()
554 ch = port->rx_buffer[ix++]; in mn10300_serial_receive_interrupt()
555 st = port->rx_buffer[ix++]; in mn10300_serial_receive_interrupt()
557 port->rx_outp = ix & (MNSC_BUFFER_SIZE - 1); in mn10300_serial_receive_interrupt()
558 port->uart.icount.rx++; in mn10300_serial_receive_interrupt()
570 switch (port->rx_brk) { in mn10300_serial_receive_interrupt()
577 port->rx_brk = 2; in mn10300_serial_receive_interrupt()
584 port->rx_brk = 3; in mn10300_serial_receive_interrupt()
587 if (uart_handle_break(&port->uart)) in mn10300_serial_receive_interrupt()
598 port->rx_brk = 0; /* end of the break */ in mn10300_serial_receive_interrupt()
621 port->rx_brk = 1; in mn10300_serial_receive_interrupt()
639 if (uart_handle_sysrq_char(&port->uart, ch)) in mn10300_serial_receive_interrupt()
646 if (port->rx_brk) in mn10300_serial_receive_interrupt()
655 status &= port->uart.read_status_mask; in mn10300_serial_receive_interrupt()
657 if (!overrun && !(status & port->uart.ignore_status_mask)) { in mn10300_serial_receive_interrupt()
690 port->rx_brk = 0; in mn10300_serial_receive_interrupt()
699 static void mn10300_serial_transmit_interrupt(struct mn10300_serial_port *port) in mn10300_serial_transmit_interrupt() argument
701 _enter("%s", port->name); in mn10300_serial_transmit_interrupt()
703 if (!port->uart.state || !port->uart.state->port.tty) { in mn10300_serial_transmit_interrupt()
704 mn10300_serial_dis_tx_intr(port); in mn10300_serial_transmit_interrupt()
708 if (uart_tx_stopped(&port->uart) || in mn10300_serial_transmit_interrupt()
709 uart_circ_empty(&port->uart.state->xmit)) in mn10300_serial_transmit_interrupt()
710 mn10300_serial_dis_tx_intr(port); in mn10300_serial_transmit_interrupt()
712 if (uart_circ_chars_pending(&port->uart.state->xmit) < WAKEUP_CHARS) in mn10300_serial_transmit_interrupt()
713 uart_write_wakeup(&port->uart); in mn10300_serial_transmit_interrupt()
719 static void mn10300_serial_cts_changed(struct mn10300_serial_port *port, u8 st) in mn10300_serial_cts_changed() argument
723 port->tx_cts = st; in mn10300_serial_cts_changed()
724 port->uart.icount.cts++; in mn10300_serial_cts_changed()
728 ctr = *port->_control; in mn10300_serial_cts_changed()
730 *port->_control = ctr; in mn10300_serial_cts_changed()
732 uart_handle_cts_change(&port->uart, st & SC2STR_CTS); in mn10300_serial_cts_changed()
733 wake_up_interruptible(&port->uart.state->port.delta_msr_wait); in mn10300_serial_cts_changed()
742 struct mn10300_serial_port *port = dev_id; in mn10300_serial_interrupt() local
745 spin_lock(&port->uart.lock); in mn10300_serial_interrupt()
747 if (port->intr_flags) { in mn10300_serial_interrupt()
748 _debug("INT %s: %x", port->name, port->intr_flags); in mn10300_serial_interrupt()
750 if (mask_test_and_clear(&port->intr_flags, MNSCx_RX_AVAIL)) in mn10300_serial_interrupt()
751 mn10300_serial_receive_interrupt(port); in mn10300_serial_interrupt()
753 if (mask_test_and_clear(&port->intr_flags, in mn10300_serial_interrupt()
755 mn10300_serial_transmit_interrupt(port); in mn10300_serial_interrupt()
760 if (port->type == PORT_MN10300_CTS) { in mn10300_serial_interrupt()
761 st = *port->_status; in mn10300_serial_interrupt()
762 if ((port->tx_cts ^ st) & SC2STR_CTS) in mn10300_serial_interrupt()
763 mn10300_serial_cts_changed(port, st); in mn10300_serial_interrupt()
766 spin_unlock(&port->uart.lock); in mn10300_serial_interrupt()
776 struct mn10300_serial_port *port = in mn10300_serial_tx_empty() local
779 _enter("%s", port->name); in mn10300_serial_tx_empty()
781 return (*port->_status & (SC01STR_TXF | SC01STR_TBF)) ? in mn10300_serial_tx_empty()
791 struct mn10300_serial_port *port __attribute__ ((unused)) = in mn10300_serial_set_mctrl() local
794 _enter("%s,%x", port->name, mctrl); in mn10300_serial_set_mctrl()
802 struct mn10300_serial_port *port = in mn10300_serial_get_mctrl() local
805 _enter("%s", port->name); in mn10300_serial_get_mctrl()
807 if (port->type == PORT_MN10300_CTS && !(*port->_status & SC2STR_CTS)) in mn10300_serial_get_mctrl()
818 struct mn10300_serial_port *port = in mn10300_serial_stop_tx() local
821 _enter("%s", port->name); in mn10300_serial_stop_tx()
824 mn10300_serial_dis_tx_intr(port); in mn10300_serial_stop_tx()
835 struct mn10300_serial_port *port = in mn10300_serial_start_tx() local
839 port->name, in mn10300_serial_start_tx()
840 CIRC_CNT(&port->uart.state->xmit.head, in mn10300_serial_start_tx()
841 &port->uart.state->xmit.tail, in mn10300_serial_start_tx()
845 mn10300_serial_en_tx_intr(port); in mn10300_serial_start_tx()
848 *port->_control, *port->_intr, *port->_status, in mn10300_serial_start_tx()
849 *port->_tmxmd, in mn10300_serial_start_tx()
850 (port->div_timer == MNSCx_DIV_TIMER_8BIT) ? in mn10300_serial_start_tx()
851 *(volatile u8 *)port->_tmxbr : *port->_tmxbr, in mn10300_serial_start_tx()
852 *port->tx_icr); in mn10300_serial_start_tx()
860 struct mn10300_serial_port *port = in mn10300_serial_send_xchar() local
864 _enter("%s,%02x", port->name, ch); in mn10300_serial_send_xchar()
866 if (likely(port->gdbstub)) { in mn10300_serial_send_xchar()
867 port->tx_xchar = ch; in mn10300_serial_send_xchar()
869 spin_lock_irqsave(&port->uart.lock, flags); in mn10300_serial_send_xchar()
870 mn10300_serial_en_tx_intr(port); in mn10300_serial_send_xchar()
871 spin_unlock_irqrestore(&port->uart.lock, flags); in mn10300_serial_send_xchar()
882 struct mn10300_serial_port *port = in mn10300_serial_stop_rx() local
887 _enter("%s", port->name); in mn10300_serial_stop_rx()
889 ctr = *port->_control; in mn10300_serial_stop_rx()
891 *port->_control = ctr; in mn10300_serial_stop_rx()
893 mn10300_serial_dis_rx_intr(port); in mn10300_serial_stop_rx()
901 struct mn10300_serial_port *port = in mn10300_serial_enable_ms() local
906 _enter("%s", port->name); in mn10300_serial_enable_ms()
908 if (port->type == PORT_MN10300_CTS) { in mn10300_serial_enable_ms()
912 port->tx_cts = *port->_status; in mn10300_serial_enable_ms()
914 cts = (port->tx_cts & SC2STR_CTS) ? in mn10300_serial_enable_ms()
917 ctr = *port->_control; in mn10300_serial_enable_ms()
920 *port->_control = ctr; in mn10300_serial_enable_ms()
922 mn10300_serial_en_tx_intr(port); in mn10300_serial_enable_ms()
931 struct mn10300_serial_port *port = in mn10300_serial_break_ctl() local
935 _enter("%s,%d", port->name, ctl); in mn10300_serial_break_ctl()
937 spin_lock_irqsave(&port->uart.lock, flags); in mn10300_serial_break_ctl()
940 port->tx_flags |= MNSCx_TX_BREAK; in mn10300_serial_break_ctl()
941 mn10300_serial_en_tx_intr(port); in mn10300_serial_break_ctl()
943 port->tx_flags &= ~MNSCx_TX_BREAK; in mn10300_serial_break_ctl()
944 *port->_control &= ~SC01CTR_BKE; in mn10300_serial_break_ctl()
945 mn10300_serial_en_tx_intr(port); in mn10300_serial_break_ctl()
947 spin_unlock_irqrestore(&port->uart.lock, flags); in mn10300_serial_break_ctl()
955 struct mn10300_serial_port *port = in mn10300_serial_startup() local
959 _enter("%s{%d}", port->name, port->gdbstub); in mn10300_serial_startup()
961 if (unlikely(port->gdbstub)) in mn10300_serial_startup()
965 port->rx_buffer = kmalloc(MNSC_BUFFER_SIZE, GFP_KERNEL); in mn10300_serial_startup()
966 if (!port->rx_buffer) in mn10300_serial_startup()
969 port->rx_inp = port->rx_outp = 0; in mn10300_serial_startup()
970 port->tx_flags = 0; in mn10300_serial_startup()
973 *port->_intr = SC01ICR_TI; in mn10300_serial_startup()
974 *port->_control |= SC01CTR_TXE | SC01CTR_RXE; in mn10300_serial_startup()
976 pint = &mn10300_serial_int_tbl[port->rx_irq]; in mn10300_serial_startup()
977 pint->port = port; in mn10300_serial_startup()
979 pint = &mn10300_serial_int_tbl[port->tx_irq]; in mn10300_serial_startup()
980 pint->port = port; in mn10300_serial_startup()
983 irq_set_chip(port->rx_irq, &mn10300_serial_low_pic); in mn10300_serial_startup()
984 irq_set_chip(port->tx_irq, &mn10300_serial_low_pic); in mn10300_serial_startup()
985 irq_set_chip(port->tm_irq, &mn10300_serial_pic); in mn10300_serial_startup()
987 if (request_irq(port->rx_irq, mn10300_serial_interrupt, in mn10300_serial_startup()
989 port->rx_name, port) < 0) in mn10300_serial_startup()
992 if (request_irq(port->tx_irq, mn10300_serial_interrupt, in mn10300_serial_startup()
994 port->tx_name, port) < 0) in mn10300_serial_startup()
997 if (request_irq(port->tm_irq, mn10300_serial_interrupt, in mn10300_serial_startup()
999 port->tm_name, port) < 0) in mn10300_serial_startup()
1001 mn10300_serial_mask_ack(port->tm_irq); in mn10300_serial_startup()
1006 free_irq(port->tx_irq, port); in mn10300_serial_startup()
1008 free_irq(port->rx_irq, port); in mn10300_serial_startup()
1010 kfree(port->rx_buffer); in mn10300_serial_startup()
1011 port->rx_buffer = NULL; in mn10300_serial_startup()
1022 struct mn10300_serial_port *port = in mn10300_serial_shutdown() local
1025 _enter("%s", port->name); in mn10300_serial_shutdown()
1028 mn10300_serial_dis_tx_intr(port); in mn10300_serial_shutdown()
1030 *port->rx_icr = NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL); in mn10300_serial_shutdown()
1031 x = *port->rx_icr; in mn10300_serial_shutdown()
1032 port->tx_flags = 0; in mn10300_serial_shutdown()
1036 *port->_control &= ~(SC01CTR_TXE | SC01CTR_RXE | SC01CTR_BKE); in mn10300_serial_shutdown()
1037 *port->_tmxmd = 0; in mn10300_serial_shutdown()
1039 if (port->rx_buffer) { in mn10300_serial_shutdown()
1040 void *buf = port->rx_buffer; in mn10300_serial_shutdown()
1041 port->rx_buffer = NULL; in mn10300_serial_shutdown()
1046 free_irq(port->tm_irq, port); in mn10300_serial_shutdown()
1047 free_irq(port->rx_irq, port); in mn10300_serial_shutdown()
1048 free_irq(port->tx_irq, port); in mn10300_serial_shutdown()
1050 mn10300_serial_int_tbl[port->tx_irq].port = NULL; in mn10300_serial_shutdown()
1051 mn10300_serial_int_tbl[port->rx_irq].port = NULL; in mn10300_serial_shutdown()
1058 static void mn10300_serial_change_speed(struct mn10300_serial_port *port, in mn10300_serial_change_speed() argument
1063 unsigned long ioclk = port->ioclk; in mn10300_serial_change_speed()
1068 u8 div_timer = port->div_timer; in mn10300_serial_change_speed()
1070 _enter("%s{%lu}", port->name, ioclk); in mn10300_serial_change_speed()
1100 switch (port->uart.line) { in mn10300_serial_change_speed()
1162 baud = uart_get_baud_rate(&port->uart, new, old, 0, in mn10300_serial_change_speed()
1163 port->ioclk / 8); in mn10300_serial_change_speed()
1176 (port->uart.flags & UPF_SPD_MASK) == UPF_SPD_CUST in mn10300_serial_change_speed()
1178 _debug("CUSTOM %u", port->uart.custom_divisor); in mn10300_serial_change_speed()
1181 if (port->uart.custom_divisor <= 65535) { in mn10300_serial_change_speed()
1183 tmxbr = port->uart.custom_divisor; in mn10300_serial_change_speed()
1184 port->uart.uartclk = ioclk; in mn10300_serial_change_speed()
1187 if (port->uart.custom_divisor / 8 <= 65535) { in mn10300_serial_change_speed()
1189 tmxbr = port->uart.custom_divisor / 8; in mn10300_serial_change_speed()
1190 port->uart.custom_divisor = tmxbr * 8; in mn10300_serial_change_speed()
1191 port->uart.uartclk = ioclk / 8; in mn10300_serial_change_speed()
1194 if (port->uart.custom_divisor / 32 <= 65535) { in mn10300_serial_change_speed()
1196 tmxbr = port->uart.custom_divisor / 32; in mn10300_serial_change_speed()
1197 port->uart.custom_divisor = tmxbr * 32; in mn10300_serial_change_speed()
1198 port->uart.uartclk = ioclk / 32; in mn10300_serial_change_speed()
1203 if (port->uart.custom_divisor <= 255) { in mn10300_serial_change_speed()
1205 tmxbr = port->uart.custom_divisor; in mn10300_serial_change_speed()
1206 port->uart.uartclk = ioclk; in mn10300_serial_change_speed()
1209 if (port->uart.custom_divisor / 8 <= 255) { in mn10300_serial_change_speed()
1211 tmxbr = port->uart.custom_divisor / 8; in mn10300_serial_change_speed()
1212 port->uart.custom_divisor = tmxbr * 8; in mn10300_serial_change_speed()
1213 port->uart.uartclk = ioclk / 8; in mn10300_serial_change_speed()
1216 if (port->uart.custom_divisor / 32 <= 255) { in mn10300_serial_change_speed()
1218 tmxbr = port->uart.custom_divisor / 32; in mn10300_serial_change_speed()
1219 port->uart.custom_divisor = tmxbr * 32; in mn10300_serial_change_speed()
1220 port->uart.uartclk = ioclk / 32; in mn10300_serial_change_speed()
1228 port->uart.uartclk = ioclk; in mn10300_serial_change_speed()
1234 port->uart.uartclk = ioclk / 8; in mn10300_serial_change_speed()
1240 port->uart.uartclk = ioclk / 32; in mn10300_serial_change_speed()
1248 port->uart.uartclk = ioclk; in mn10300_serial_change_speed()
1254 port->uart.uartclk = ioclk / 8; in mn10300_serial_change_speed()
1260 port->uart.uartclk = ioclk / 32; in mn10300_serial_change_speed()
1306 port->uart.uartclk = ioclk / 32; in mn10300_serial_change_speed()
1311 _debug("UARTCLK: %u / %hu", port->uart.uartclk, tmxbr); in mn10300_serial_change_speed()
1314 spin_lock_irqsave(&port->uart.lock, flags); in mn10300_serial_change_speed()
1316 uart_update_timeout(&port->uart, new->c_cflag, baud); in mn10300_serial_change_speed()
1321 *port->_tmxmd = 0; in mn10300_serial_change_speed()
1322 *port->_tmxbr = tmxbr; in mn10300_serial_change_speed()
1323 *port->_tmxmd = TM8MD_INIT_COUNTER; in mn10300_serial_change_speed()
1324 *port->_tmxmd = tmxmd | TM8MD_COUNT_ENABLE; in mn10300_serial_change_speed()
1328 *port->_tmxmd = 0; in mn10300_serial_change_speed()
1329 *(volatile u8 *) port->_tmxbr = (u8) tmxbr; in mn10300_serial_change_speed()
1330 *port->_tmxmd = TM2MD_INIT_COUNTER; in mn10300_serial_change_speed()
1331 *port->_tmxmd = tmxmd | TM2MD_COUNT_ENABLE; in mn10300_serial_change_speed()
1338 if (port->type == PORT_MN10300_CTS && cflag & CRTSCTS) { in mn10300_serial_change_speed()
1342 port->tx_cts = *port->_status; in mn10300_serial_change_speed()
1344 if (port->tx_cts & SC2STR_CTS) in mn10300_serial_change_speed()
1351 port->uart.read_status_mask = (1 << TTY_NORMAL) | (1 << TTY_OVERRUN); in mn10300_serial_change_speed()
1353 port->uart.read_status_mask |= in mn10300_serial_change_speed()
1356 port->uart.read_status_mask |= (1 << TTY_BREAK); in mn10300_serial_change_speed()
1359 port->uart.ignore_status_mask = 0; in mn10300_serial_change_speed()
1361 port->uart.ignore_status_mask |= in mn10300_serial_change_speed()
1364 port->uart.ignore_status_mask |= (1 << TTY_BREAK); in mn10300_serial_change_speed()
1370 port->uart.ignore_status_mask |= (1 << TTY_OVERRUN); in mn10300_serial_change_speed()
1375 port->uart.ignore_status_mask |= (1 << TTY_NORMAL); in mn10300_serial_change_speed()
1378 scxctr |= *port->_control & SC01CTR_BKE; in mn10300_serial_change_speed()
1379 *port->_control = scxctr; in mn10300_serial_change_speed()
1381 spin_unlock_irqrestore(&port->uart.lock, flags); in mn10300_serial_change_speed()
1391 struct mn10300_serial_port *port = in mn10300_serial_set_termios() local
1394 _enter("%s,%p,%p", port->name, new, old); in mn10300_serial_set_termios()
1396 mn10300_serial_change_speed(port, new, old); in mn10300_serial_set_termios()
1400 u16 ctr = *port->_control; in mn10300_serial_set_termios()
1402 *port->_control = ctr; in mn10300_serial_set_termios()
1407 *port->_control |= SC01CTR_OD_MSBFIRST; /* MSB MODE */ in mn10300_serial_set_termios()
1409 *port->_control &= ~SC01CTR_OD_MSBFIRST; /* LSB MODE */ in mn10300_serial_set_termios()
1417 struct mn10300_serial_port *port = in mn10300_serial_type() local
1420 if (port->uart.type == PORT_MN10300_CTS) in mn10300_serial_type()
1431 struct mn10300_serial_port *port = in mn10300_serial_release_port() local
1434 _enter("%s", port->name); in mn10300_serial_release_port()
1436 release_mem_region((unsigned long) port->_iobase, 16); in mn10300_serial_release_port()
1444 struct mn10300_serial_port *port = in mn10300_serial_request_port() local
1447 _enter("%s", port->name); in mn10300_serial_request_port()
1449 request_mem_region((unsigned long) port->_iobase, 16, port->name); in mn10300_serial_request_port()
1458 struct mn10300_serial_port *port = in mn10300_serial_config_port() local
1461 _enter("%s", port->name); in mn10300_serial_config_port()
1463 port->uart.type = PORT_MN10300; in mn10300_serial_config_port()
1465 if (port->options & MNSCx_OPT_CTS) in mn10300_serial_config_port()
1466 port->uart.type = PORT_MN10300_CTS; in mn10300_serial_config_port()
1477 struct mn10300_serial_port *port = in mn10300_serial_verify_port() local
1479 void *mapbase = (void *) (unsigned long) port->uart.mapbase; in mn10300_serial_verify_port()
1481 _enter("%s", port->name); in mn10300_serial_verify_port()
1484 if (ss->irq != port->uart.irq || in mn10300_serial_verify_port()
1485 ss->port != port->uart.iobase || in mn10300_serial_verify_port()
1486 ss->io_type != port->uart.iotype || in mn10300_serial_verify_port()
1488 ss->iomem_reg_shift != port->uart.regshift || in mn10300_serial_verify_port()
1489 ss->hub6 != port->uart.hub6 || in mn10300_serial_verify_port()
1490 ss->xmit_fifo_size != port->uart.fifosize) in mn10300_serial_verify_port()
1494 if (ss->type != port->uart.type) { in mn10300_serial_verify_port()
1495 if (!(port->options & MNSCx_OPT_CTS)) in mn10300_serial_verify_port()
1511 struct mn10300_serial_port *port; in mn10300_serial_init() local
1531 port = mn10300_serial_ports[i]; in mn10300_serial_init()
1532 if (!port || port->gdbstub) in mn10300_serial_init()
1535 switch (port->clock_src) { in mn10300_serial_init()
1537 port->ioclk = MN10300_IOCLK; in mn10300_serial_init()
1542 port->ioclk = MN10300_IOBCLK; in mn10300_serial_init()
1550 &port->uart); in mn10300_serial_init()
1578 struct mn10300_serial_port *port; in mn10300_serial_console_write() local
1585 port = mn10300_serial_ports[co->index]; in mn10300_serial_console_write()
1588 if (port->uart.sysrq) { in mn10300_serial_console_write()
1592 locked = spin_trylock(&port->uart.lock); in mn10300_serial_console_write()
1594 spin_lock(&port->uart.lock); in mn10300_serial_console_write()
1597 mn10300_serial_dis_tx_intr(port); in mn10300_serial_console_write()
1600 scxctr = *port->_control; in mn10300_serial_console_write()
1603 tmxmd = *port->_tmxmd; in mn10300_serial_console_write()
1605 switch (port->div_timer) { in mn10300_serial_console_write()
1607 *port->_tmxmd = 0; in mn10300_serial_console_write()
1608 *port->_tmxmd = TM8MD_INIT_COUNTER; in mn10300_serial_console_write()
1609 *port->_tmxmd = tmxmd | TM8MD_COUNT_ENABLE; in mn10300_serial_console_write()
1613 *port->_tmxmd = 0; in mn10300_serial_console_write()
1614 *port->_tmxmd = TM2MD_INIT_COUNTER; in mn10300_serial_console_write()
1615 *port->_tmxmd = tmxmd | TM2MD_COUNT_ENABLE; in mn10300_serial_console_write()
1620 *port->_control = (scxctr & ~SC01CTR_BKE) | SC01CTR_TXE; in mn10300_serial_console_write()
1624 *port->_control = (scxctr & ~SC01CTR_BKE); in mn10300_serial_console_write()
1631 while (*port->_status & SC01STR_TBF) in mn10300_serial_console_write()
1633 *port->_txb = ch; in mn10300_serial_console_write()
1636 while (*port->_status & SC01STR_TBF) in mn10300_serial_console_write()
1638 *port->_txb = 0xd; in mn10300_serial_console_write()
1644 while (*port->_status & (SC01STR_TXF | SC01STR_TBF)) in mn10300_serial_console_write()
1649 *port->_control = scxctr; in mn10300_serial_console_write()
1651 mn10300_serial_en_tx_intr(port); in mn10300_serial_console_write()
1654 spin_unlock(&port->uart.lock); in mn10300_serial_console_write()
1667 struct mn10300_serial_port *port; in mn10300_serial_console_setup() local
1671 port = mn10300_serial_ports[i]; in mn10300_serial_console_setup()
1672 if (port && !port->gdbstub && port->uart.line == co->index) in mn10300_serial_console_setup()
1679 switch (port->clock_src) { in mn10300_serial_console_setup()
1681 port->ioclk = MN10300_IOCLK; in mn10300_serial_console_setup()
1686 port->ioclk = MN10300_IOBCLK; in mn10300_serial_console_setup()
1696 return uart_set_options(&port->uart, co, baud, parity, bits, flow); in mn10300_serial_console_setup()
1717 struct mn10300_serial_port *port = in mn10300_serial_poll_get_char() local
1722 _enter("%s", port->name); in mn10300_serial_poll_get_char()
1724 if (mn10300_serial_int_tbl[port->rx_irq].port != NULL) { in mn10300_serial_poll_get_char()
1727 ix = ACCESS_ONCE(port->rx_outp); in mn10300_serial_poll_get_char()
1728 if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) in mn10300_serial_poll_get_char()
1732 ch = port->rx_buffer[ix++]; in mn10300_serial_poll_get_char()
1733 st = port->rx_buffer[ix++]; in mn10300_serial_poll_get_char()
1735 port->rx_outp = ix & (MNSC_BUFFER_SIZE - 1); in mn10300_serial_poll_get_char()
1740 st = *port->_status; in mn10300_serial_poll_get_char()
1745 ch = *port->_rxb; in mn10300_serial_poll_get_char()
1758 struct mn10300_serial_port *port = in mn10300_serial_poll_put_char() local
1764 while (*port->_status & (SC01STR_TBF | SC01STR_TXF)) in mn10300_serial_poll_put_char()
1768 intr = *port->_intr; in mn10300_serial_poll_put_char()
1769 *port->_intr = intr & ~SC01ICR_TI; in mn10300_serial_poll_put_char()
1770 tmp = *port->_intr; in mn10300_serial_poll_put_char()
1773 *port->_txb = 0x0d; in mn10300_serial_poll_put_char()
1774 while (*port->_status & SC01STR_TBF) in mn10300_serial_poll_put_char()
1778 *port->_txb = ch; in mn10300_serial_poll_put_char()
1779 while (*port->_status & SC01STR_TBF) in mn10300_serial_poll_put_char()
1783 *port->_intr = intr; in mn10300_serial_poll_put_char()
1784 tmp = *port->_intr; in mn10300_serial_poll_put_char()