21 	struct stm32_usart *const usart = plat->base;  in stm32_serial_setbrg()  local
28 		setbits_le32(&usart->cr1, USART_CR1_OVER8);  in stm32_serial_setbrg()
31 		clrbits_le32(&usart->cr1, USART_CR1_OVER8);  in stm32_serial_setbrg()
37 	writel(mantissa | fraction, &usart->brr);  in stm32_serial_setbrg()
45 	struct stm32_usart *const usart = plat->base;  in stm32_serial_getc()  local
47 	if ((readl(&usart->sr) & USART_SR_FLAG_RXNE) == 0)  in stm32_serial_getc()
50 	return readl(&usart->rd_dr);  in stm32_serial_getc()
56 	struct stm32_usart *const usart = plat->base;  in stm32_serial_putc()  local
58 	if ((readl(&usart->sr) & USART_SR_FLAG_TXE) == 0)  in stm32_serial_putc()
61 	writel(c, &usart->tx_dr);  in stm32_serial_putc()
69 	struct stm32_usart *const usart = plat->base;  in stm32_serial_pending()  local
72 		return readl(&usart->sr) & USART_SR_FLAG_RXNE ? 1 : 0;  in stm32_serial_pending()
74 		return readl(&usart->sr) & USART_SR_FLAG_TXE ? 0 : 1;  in stm32_serial_pending()
80 	struct stm32_usart *const usart = plat->base;  in stm32_serial_probe()  local
104 	clrbits_le32(&usart->cr1, USART_CR1_RE | USART_CR1_TE | USART_CR1_UE);  in stm32_serial_probe()
105 	setbits_le32(&usart->cr3, USART_CR3_OVRDIS);  in stm32_serial_probe()
106 	setbits_le32(&usart->cr1, USART_CR1_RE | USART_CR1_TE | USART_CR1_UE);  in stm32_serial_probe()