104 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_config_rs485()  local
111 	stm32_clr_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_config_rs485()
118 		cr1 = readl_relaxed(port->membase + ofs->cr1);  in stm32_config_rs485()
119 		cr3 = readl_relaxed(port->membase + ofs->cr3);  in stm32_config_rs485()
120 		usartdiv = readl_relaxed(port->membase + ofs->brr);  in stm32_config_rs485()
141 		writel_relaxed(cr3, port->membase + ofs->cr3);  in stm32_config_rs485()
142 		writel_relaxed(cr1, port->membase + ofs->cr1);  in stm32_config_rs485()
144 		stm32_clr_bits(port, ofs->cr3, USART_CR3_DEM | USART_CR3_DEP);  in stm32_config_rs485()
145 		stm32_clr_bits(port, ofs->cr1,  in stm32_config_rs485()
149 	stm32_set_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_config_rs485()
176 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_pending_rx()  local
180 	*sr = readl_relaxed(port->membase + ofs->isr);  in stm32_pending_rx()
201 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_get_char()  local
210 		return readl_relaxed(port->membase + ofs->rdr);  in stm32_get_char()
218 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_receive_chars()  local
238 				if (ofs->icr != UNDEF_REG)  in stm32_receive_chars()
241 						       ofs->icr);  in stm32_receive_chars()
273 	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;  in stm32_tx_dma_complete()  local
277 	ret = readl_relaxed_poll_timeout_atomic(port->membase + ofs->isr,  in stm32_tx_dma_complete()
285 	if (ofs->icr == UNDEF_REG)  in stm32_tx_dma_complete()
286 		stm32_clr_bits(port, ofs->isr, USART_SR_TC);  in stm32_tx_dma_complete()
288 		stm32_set_bits(port, ofs->icr, USART_CR_TC);  in stm32_tx_dma_complete()
290 	stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_tx_dma_complete()
300 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_transmit_chars_pio()  local
306 		stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_transmit_chars_pio()
310 	ret = readl_relaxed_poll_timeout_atomic(port->membase + ofs->isr,  in stm32_transmit_chars_pio()
318 	stm32_set_bits(port, ofs->cr1, USART_CR1_TXEIE);  in stm32_transmit_chars_pio()
320 	writel_relaxed(xmit->buf[xmit->tail], port->membase + ofs->tdr);  in stm32_transmit_chars_pio()
328 	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;  in stm32_transmit_chars_dma()  local
380 	stm32_clr_bits(port, ofs->isr, USART_SR_TC);  in stm32_transmit_chars_dma()
381 	stm32_set_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_transmit_chars_dma()
390 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_transmit_chars()  local
395 			stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_transmit_chars()
396 		writel_relaxed(port->x_char, port->membase + ofs->tdr);  in stm32_transmit_chars()
400 			stm32_set_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_transmit_chars()
430 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_interrupt()  local
435 	sr = readl_relaxed(port->membase + ofs->isr);  in stm32_interrupt()
437 	if ((sr & USART_SR_WUF) && (ofs->icr != UNDEF_REG))  in stm32_interrupt()
439 			       port->membase + ofs->icr);  in stm32_interrupt()
473 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_tx_empty()  local
475 	return readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE;  in stm32_tx_empty()
481 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_set_mctrl()  local
484 		stm32_set_bits(port, ofs->cr3, USART_CR3_RTSE);  in stm32_set_mctrl()
486 		stm32_clr_bits(port, ofs->cr3, USART_CR3_RTSE);  in stm32_set_mctrl()
499 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_stop_tx()  local
501 	stm32_clr_bits(port, ofs->cr1, USART_CR1_TXEIE);  in stm32_stop_tx()
519 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_throttle()  local
523 	stm32_clr_bits(port, ofs->cr1, USART_CR1_RXNEIE);  in stm32_throttle()
531 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_unthrottle()  local
535 	stm32_set_bits(port, ofs->cr1, USART_CR1_RXNEIE);  in stm32_unthrottle()
543 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_stop_rx()  local
545 	stm32_clr_bits(port, ofs->cr1, USART_CR1_RXNEIE);  in stm32_stop_rx()
556 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_startup()  local
580 	stm32_set_bits(port, ofs->cr1, val);  in stm32_startup()
588 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_shutdown()  local
596 	stm32_clr_bits(port, ofs->cr1, val);  in stm32_shutdown()
606 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_set_termios()  local
623 	writel_relaxed(0, port->membase + ofs->cr1);  in stm32_set_termios()
665 		stm32_set_bits(port, ofs->cr1, USART_CR1_OVER8);  in stm32_set_termios()
669 		stm32_clr_bits(port, ofs->cr1, USART_CR1_OVER8);  in stm32_set_termios()
674 	writel_relaxed(mantissa | fraction, port->membase + ofs->brr);  in stm32_set_termios()
722 	writel_relaxed(cr3, port->membase + ofs->cr3);  in stm32_set_termios()
723 	writel_relaxed(cr2, port->membase + ofs->cr2);  in stm32_set_termios()
724 	writel_relaxed(cr1, port->membase + ofs->cr1);  in stm32_set_termios()
726 	stm32_set_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_set_termios()
762 	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;  in stm32_pm()  local
772 		stm32_clr_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_pm()
883 	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;  in stm32_of_dma_rx_probe()  local
907 	config.src_addr = port->mapbase + ofs->rdr;  in stm32_of_dma_rx_probe()
955 	struct stm32_usart_offsets *ofs = &stm32port->info->ofs;  in stm32_of_dma_tx_probe()  local
979 	config.dst_addr = port->mapbase + ofs->tdr;  in stm32_of_dma_tx_probe()
1059 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_serial_remove()  local
1062 	stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAR);  in stm32_serial_remove()
1072 	stm32_clr_bits(port, ofs->cr3, USART_CR3_DMAT);  in stm32_serial_remove()
1095 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_console_putchar()  local
1097 	while (!(readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE))  in stm32_console_putchar()
1100 	writel_relaxed(ch, port->membase + ofs->tdr);  in stm32_console_putchar()
1107 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_console_write()  local
1122 	old_cr1 = readl_relaxed(port->membase + ofs->cr1);  in stm32_console_write()
1125 	writel_relaxed(new_cr1, port->membase + ofs->cr1);  in stm32_console_write()
1130 	writel_relaxed(old_cr1, port->membase + ofs->cr1);  in stm32_console_write()
1194 	struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;  in stm32_serial_enable_wakeup()  local
1202 		stm32_clr_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_serial_enable_wakeup()
1203 		stm32_set_bits(port, ofs->cr1, USART_CR1_UESM);  in stm32_serial_enable_wakeup()
1204 		val = readl_relaxed(port->membase + ofs->cr3);  in stm32_serial_enable_wakeup()
1208 		writel_relaxed(val, port->membase + ofs->cr3);  in stm32_serial_enable_wakeup()
1209 		stm32_set_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit));  in stm32_serial_enable_wakeup()
1211 		stm32_clr_bits(port, ofs->cr1, USART_CR1_UESM);  in stm32_serial_enable_wakeup()