tty/serial/stm32-usart.c

49 		.cr3		= 0x14,
67 		.cr3		= 0x08,
90 		.cr3		= 0x08,
185 static void stm32_usart_config_reg_rs485(u32 *cr1, u32 *cr3, u32 delay_ADE,
192 	*cr3 |= USART_CR3_DEM;
228 	u32 usartdiv, baud, cr1, cr3;
235 		cr3 = readl_relaxed(port->membase + ofs->cr3);
245 		stm32_usart_config_reg_rs485(&cr1, &cr3,
251 			cr3 &= ~USART_CR3_DEP;
253 			cr3 |= USART_CR3_DEP;
255 		writel_relaxed(cr3, port->membase + ofs->cr3);
262 		stm32_usart_clr_bits(port, ofs->cr3,
513 				stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAR);
519 				stm32_usart_set_bits(port, ofs->cr3, USART_CR3_DMAR);
663 		stm32_usart_set_bits(port, ofs->cr3, USART_CR3_TXFTIE);
682 		stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_TXFTIE);
886 		stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_WUFIE);
934 		stm32_usart_set_bits(port, ofs->cr3, USART_CR3_RTSE);
936 		stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_RTSE);
1016 		stm32_usart_clr_bits(port, ofs->cr3, stm32_port->cr3_irq);
1032 		stm32_usart_set_bits(port, ofs->cr3, stm32_port->cr3_irq);
1057 		stm32_usart_clr_bits(port, ofs->cr3, stm32_port->cr3_irq);
1128 		stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAT);
1176 	u32 cr1, cr2, cr3, isr, brr, presc;
1212 	cr3 = readl_relaxed(port->membase + ofs->cr3);
1213 	cr3 &= USART_CR3_TXFTIE | USART_CR3_RXFTIE;
1216 			cr3 |= stm32_port->txftcfg << USART_CR3_TXFTCFG_SHIFT;
1218 			cr3 |= stm32_port->rxftcfg << USART_CR3_RXFTCFG_SHIFT;
1276 	cr3 |= stm32_port->cr3_irq;
1284 		cr3 |= USART_CR3_CTSE | USART_CR3_RTSE;
1362 		cr3 |= USART_CR3_EIE;
1363 		cr3 |= USART_CR3_DMAR;
1364 		cr3 |= USART_CR3_DDRE;
1368 		cr3 |= USART_CR3_DMAT;
1371 		stm32_usart_config_reg_rs485(&cr1, &cr3,
1376 			cr3 &= ~USART_CR3_DEP;
1379 			cr3 |= USART_CR3_DEP;
1384 		cr3 &= ~(USART_CR3_DEM | USART_CR3_DEP);
1390 		cr3 &= ~USART_CR3_WUS_MASK;
1391 		cr3 |= USART_CR3_WUS_START_BIT;
1394 	writel_relaxed(cr3, port->membase + ofs->cr3);
1886 	u32 cr3;
1907 	cr3 = readl_relaxed(port->membase + ofs->cr3);
1908 	cr3 &= ~USART_CR3_EIE;
1909 	cr3 &= ~USART_CR3_DMAR;
1910 	cr3 &= ~USART_CR3_DMAT;
1911 	cr3 &= ~USART_CR3_DDRE;
1912 	writel_relaxed(cr3, port->membase + ofs->cr3);
2094 		stm32_usart_set_bits(port, ofs->cr3, USART_CR3_WUFIE);
2123 		stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_WUFIE);