48 #define USR1  0x94 /* Status Register 1 */  macro
711 	u32 usr1;  in imx_uart_rtsint()  local
716 	imx_uart_writel(sport, USR1_RTSD, USR1);  in imx_uart_rtsint()
717 	usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;  in imx_uart_rtsint()
718 	uart_handle_cts_change(&sport->port, !!usr1);  in imx_uart_rtsint()
816 	unsigned usr1 = imx_uart_readl(sport, USR1);  in imx_uart_get_hwmctrl()  local
819 	if (usr1 & USR1_RTSS)  in imx_uart_get_hwmctrl()
863 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;  in imx_uart_int()  local
866 	usr1 = imx_uart_readl(sport, USR1);  in imx_uart_int()
882 		usr1 &= ~USR1_RRDY;  in imx_uart_int()
884 		usr1 &= ~USR1_AGTIM;  in imx_uart_int()
886 		usr1 &= ~USR1_TRDY;  in imx_uart_int()
890 		usr1 &= ~USR1_DTRD;  in imx_uart_int()
892 		usr1 &= ~USR1_RTSD;  in imx_uart_int()
894 		usr1 &= ~USR1_AWAKE;  in imx_uart_int()
898 	if (usr1 & (USR1_RRDY | USR1_AGTIM)) {  in imx_uart_int()
903 	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {  in imx_uart_int()
908 	if (usr1 & USR1_DTRD) {  in imx_uart_int()
911 		imx_uart_writel(sport, USR1_DTRD, USR1);  in imx_uart_int()
920 	if (usr1 & USR1_RTSD) {  in imx_uart_int()
925 	if (usr1 & USR1_AWAKE) {  in imx_uart_int()
926 		imx_uart_writel(sport, USR1_AWAKE, USR1);  in imx_uart_int()
1162 	u32 usr1, usr2;  in imx_uart_clear_rx_errors()  local
1164 	usr1 = imx_uart_readl(sport, USR1);  in imx_uart_clear_rx_errors()
1176 		if (usr1 & USR1_FRAMERR) {  in imx_uart_clear_rx_errors()
1178 			imx_uart_writel(sport, USR1_FRAMERR, USR1);  in imx_uart_clear_rx_errors()
1179 		} else if (usr1 & USR1_PARITYERR) {  in imx_uart_clear_rx_errors()
1181 			imx_uart_writel(sport, USR1_PARITYERR, USR1);  in imx_uart_clear_rx_errors()
1361 	imx_uart_writel(sport, USR1_RTSD | USR1_DTRD, USR1);  in imx_uart_startup()
1513 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD  in imx_uart_flush_buffer()
1516 	 * We don't need to restore the old values from USR1, USR2, URXD and  in imx_uart_flush_buffer()
1818 		status = imx_uart_readl(sport, USR1);  in imx_uart_poll_put_char()
2428 		imx_uart_writel(sport, USR1_AWAKE, USR1);  in imx_uart_enable_wakeup()