45 #define USR1  0x94 /* Status Register 1 */  macro
751 	u32 usr1;  in __imx_uart_rtsint()  local
753 	imx_uart_writel(sport, USR1_RTSD, USR1);  in __imx_uart_rtsint()
754 	usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;  in __imx_uart_rtsint()
755 	uart_handle_cts_change(&sport->port, !!usr1);  in __imx_uart_rtsint()
874 	unsigned usr1 = imx_uart_readl(sport, USR1);  in imx_uart_get_hwmctrl()  local
877 	if (usr1 & USR1_RTSS)  in imx_uart_get_hwmctrl()
921 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;  in imx_uart_int()  local
926 	usr1 = imx_uart_readl(sport, USR1);  in imx_uart_int()
942 		usr1 &= ~USR1_RRDY;  in imx_uart_int()
944 		usr1 &= ~USR1_AGTIM;  in imx_uart_int()
946 		usr1 &= ~USR1_TRDY;  in imx_uart_int()
950 		usr1 &= ~USR1_DTRD;  in imx_uart_int()
952 		usr1 &= ~USR1_RTSD;  in imx_uart_int()
954 		usr1 &= ~USR1_AWAKE;  in imx_uart_int()
958 	if (usr1 & (USR1_RRDY | USR1_AGTIM)) {  in imx_uart_int()
959 		imx_uart_writel(sport, USR1_AGTIM, USR1);  in imx_uart_int()
965 	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {  in imx_uart_int()
970 	if (usr1 & USR1_DTRD) {  in imx_uart_int()
971 		imx_uart_writel(sport, USR1_DTRD, USR1);  in imx_uart_int()
978 	if (usr1 & USR1_RTSD) {  in imx_uart_int()
983 	if (usr1 & USR1_AWAKE) {  in imx_uart_int()
984 		imx_uart_writel(sport, USR1_AWAKE, USR1);  in imx_uart_int()
1228 	u32 usr1, usr2;  in imx_uart_clear_rx_errors()  local
1230 	usr1 = imx_uart_readl(sport, USR1);  in imx_uart_clear_rx_errors()
1241 		if (usr1 & USR1_FRAMERR) {  in imx_uart_clear_rx_errors()
1243 			imx_uart_writel(sport, USR1_FRAMERR, USR1);  in imx_uart_clear_rx_errors()
1244 		} else if (usr1 & USR1_PARITYERR) {  in imx_uart_clear_rx_errors()
1246 			imx_uart_writel(sport, USR1_PARITYERR, USR1);  in imx_uart_clear_rx_errors()
1427 	imx_uart_writel(sport, USR1_RTSD | USR1_DTRD, USR1);  in imx_uart_startup()
1584 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD  in imx_uart_flush_buffer()
1587 	 * We don't need to restore the old values from USR1, USR2, URXD and  in imx_uart_flush_buffer()
1883 		status = imx_uart_readl(sport, USR1);  in imx_uart_poll_put_char()
2464 		imx_uart_writel(sport, USR1_AWAKE, USR1);  in imx_uart_enable_wakeup()