47 #define USR2  0x98 /* Status Register 2 */  macro
451 	u32 ucr1, ucr4, usr2;  in imx_uart_stop_tx()  local
466 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_stop_tx()
467 	if (!(usr2 & USR2_TXDC)) {  in imx_uart_stop_tx()
816 	while (imx_uart_readl(sport, USR2) & USR2_RDR) {  in __imx_uart_rxint()
817 		u32 usr2;  in __imx_uart_rxint()  local
824 		usr2 = imx_uart_readl(sport, USR2);  in __imx_uart_rxint()
825 		if (usr2 & USR2_BRCD) {  in __imx_uart_rxint()
826 			imx_uart_writel(sport, USR2_BRCD, USR2);  in __imx_uart_rxint()
900 	unsigned usr2 = imx_uart_readl(sport, USR2);  in imx_uart_get_hwmctrl()  local
906 	if (!(usr2 & USR2_DCDIN))  in imx_uart_get_hwmctrl()
910 		if (!(imx_uart_readl(sport, USR2) & USR2_RIIN))  in imx_uart_get_hwmctrl()
946 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;  in imx_uart_int()  local
958 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_int()
979 		usr2 &= ~USR2_TXDC;  in imx_uart_int()
987 		usr2 &= ~USR2_ORE;  in imx_uart_int()
996 	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {  in imx_uart_int()
1019 	if (usr2 & USR2_ORE) {  in imx_uart_int()
1021 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_int()
1038 	ret = (imx_uart_readl(sport, USR2) & USR2_TXDC) ?  TIOCSER_TEMT : 0;  in imx_uart_tx_empty()
1264 	u32 usr1, usr2;  in imx_uart_clear_rx_errors()  local
1267 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_clear_rx_errors()
1269 	if (usr2 & USR2_BRCD) {  in imx_uart_clear_rx_errors()
1271 		imx_uart_writel(sport, USR2_BRCD, USR2);  in imx_uart_clear_rx_errors()
1286 	if (usr2 & USR2_ORE) {  in imx_uart_clear_rx_errors()
1288 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_clear_rx_errors()
1463 	imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_startup()
1619 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD  in imx_uart_flush_buffer()
1622 	 * We don't need to restore the old values from USR1, USR2, URXD and  in imx_uart_flush_buffer()
1905 	if (!(imx_uart_readl(sport, USR2) & USR2_RDR))  in imx_uart_poll_get_char()
1926 		status = imx_uart_readl(sport, USR2);  in imx_uart_poll_put_char()
2043 	while (!(imx_uart_readl(sport, USR2) & USR2_TXDC));  in imx_uart_console_write()