tty/serial/imx.c

239 	unsigned int	ucr2;
296 	ucr->ucr2 = imx_uart_readl(sport, UCR2);
305 	imx_uart_writel(sport, ucr->ucr2, UCR2);
311 static void imx_uart_rts_active(struct imx_port *sport, u32 *ucr2)
313 	*ucr2 &= ~(UCR2_CTSC | UCR2_CTS);
319 static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2)
321 	*ucr2 &= ~UCR2_CTSC;
322 	*ucr2 |= UCR2_CTS;
336 	u32 ucr2, ubir, ubmr, uts;
353 	ucr2 = imx_uart_readl(sport, UCR2);
354 	imx_uart_writel(sport, ucr2 & ~UCR2_SRST, UCR2);
381 	unsigned int ucr1, ucr2;
384 	ucr2 = imx_uart_readl(sport, UCR2);
386 	ucr2 |= UCR2_RXEN;
392 		ucr2 |= UCR2_ATEN;
396 	imx_uart_writel(sport, ucr2, UCR2);
446 			u32 ucr2;
450 			ucr2 = imx_uart_readl(sport, UCR2);
452 				imx_uart_rts_active(sport, &ucr2);
454 				imx_uart_rts_inactive(sport, &ucr2);
455 			imx_uart_writel(sport, ucr2, UCR2);
470 	u32 ucr1, ucr2, ucr4, uts;
473 	ucr2 = imx_uart_readl(sport, UCR2);
480 		ucr2 &= ~UCR2_ATEN;
493 		ucr2 |= UCR2_RXEN;
495 		ucr2 &= ~UCR2_RXEN;
498 	imx_uart_writel(sport, ucr2, UCR2);
680 			u32 ucr2 = imx_uart_readl(sport, UCR2);
682 				imx_uart_rts_active(sport, &ucr2);
684 				imx_uart_rts_inactive(sport, &ucr2);
685 			imx_uart_writel(sport, ucr2, UCR2);
963 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;
971 	ucr2 = imx_uart_readl(sport, UCR2);
985 	if ((ucr2 & UCR2_ATEN) == 0)
1076 		u32 ucr2;
1082 		ucr2 = imx_uart_readl(sport, UCR2);
1083 		ucr2 &= ~(UCR2_CTS | UCR2_CTSC);
1085 			ucr2 |= UCR2_CTS;
1091 			if (!(ucr2 & UCR2_IRTS))
1092 				ucr2 |= UCR2_CTSC;
1094 		imx_uart_writel(sport, ucr2, UCR2);
1441 	u32 ucr1, ucr2, ucr3, ucr4;
1512 	ucr2 = imx_uart_readl(sport, UCR2) & ~UCR2_ATEN;
1513 	ucr2 |= (UCR2_RXEN | UCR2_TXEN);
1515 		ucr2 |= UCR2_IRTS;
1521 		ucr2 &= ~UCR2_RTSEN;
1522 	imx_uart_writel(sport, ucr2, UCR2);
1537 		ucr2 = imx_uart_readl(sport, UCR2);
1538 		ucr2 |= UCR2_ATEN;
1539 		imx_uart_writel(sport, ucr2, UCR2);
1553 	u32 ucr1, ucr2, ucr4, uts;
1580 	ucr2 = imx_uart_readl(sport, UCR2);
1581 	ucr2 &= ~(UCR2_TXEN | UCR2_ATEN);
1582 	imx_uart_writel(sport, ucr2, UCR2);
1654 	u32 ucr2, old_ucr2, ufcr;
1686 	ucr2 = old_ucr2 & (UCR2_TXEN | UCR2_RXEN | UCR2_ATEN | UCR2_CTS);
1688 	ucr2 |= UCR2_SRST | UCR2_IRTS;
1690 		ucr2 |= UCR2_WS;
1702 			imx_uart_rts_active(sport, &ucr2);
1704 			imx_uart_rts_inactive(sport, &ucr2);
1711 		if (ucr2 & UCR2_CTS)
1712 			ucr2 |= UCR2_CTSC;
1716 		ucr2 &= ~UCR2_IRTS;
1718 		ucr2 |= UCR2_STPB;
1720 		ucr2 |= UCR2_PREN;
1722 			ucr2 |= UCR2_PROE;
1802 	imx_uart_writel(sport, ucr2, UCR2);
1857 	u32 ucr1, ucr2;
1879 	ucr2 = imx_uart_readl(sport, UCR2);
1887 	ucr2 |= UCR2_RXEN | UCR2_TXEN;
1888 	ucr2 &= ~UCR2_ATEN;
1891 	imx_uart_writel(sport, ucr2, UCR2);
1895 	imx_uart_writel(sport, ucr2 | UCR2_ATEN, UCR2);
1936 	u32 ucr2;
1945 		ucr2 = imx_uart_readl(sport, UCR2);
1947 			imx_uart_rts_active(sport, &ucr2);
1949 			imx_uart_rts_inactive(sport, &ucr2);
1950 		imx_uart_writel(sport, ucr2, UCR2);
2029 	imx_uart_writel(sport, old_ucr.ucr2 | UCR2_TXEN, UCR2);
2056 		unsigned int ucr2, ubir, ubmr, uartclk;
2060 		ucr2 = imx_uart_readl(sport, UCR2);
2063 		if (ucr2 & UCR2_PREN) {
2064 			if (ucr2 & UCR2_PROE)
2070 		if (ucr2 & UCR2_WS)
2239 	u32 ucr1, ucr2, uts;
2356 	ucr2 = imx_uart_readl(sport, UCR2);
2357 	ucr2 &= ~UCR2_ATEN;
2358 	imx_uart_writel(sport, ucr2, UCR2);
2380 		ucr2 = imx_uart_readl(sport, UCR2);
2381 		ucr2 |= UCR2_RXEN;
2382 		imx_uart_writel(sport, ucr2, UCR2);