46 #define USR2  0x98 /* Status Register 2 */  macro
427 	u32 ucr1, ucr4, usr2;  in imx_uart_stop_tx()  local
442 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_stop_tx()
443 	if (!(usr2 & USR2_TXDC)) {  in imx_uart_stop_tx()
802 	while (imx_uart_readl(sport, USR2) & USR2_RDR) {  in __imx_uart_rxint()
803 		u32 usr2;  in __imx_uart_rxint()  local
810 		usr2 = imx_uart_readl(sport, USR2);  in __imx_uart_rxint()
811 		if (usr2 & USR2_BRCD) {  in __imx_uart_rxint()
812 			imx_uart_writel(sport, USR2_BRCD, USR2);  in __imx_uart_rxint()
886 	unsigned usr2 = imx_uart_readl(sport, USR2);  in imx_uart_get_hwmctrl()  local
892 	if (!(usr2 & USR2_DCDIN))  in imx_uart_get_hwmctrl()
896 		if (!(imx_uart_readl(sport, USR2) & USR2_RIIN))  in imx_uart_get_hwmctrl()
932 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;  in imx_uart_int()  local
938 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_int()
959 		usr2 &= ~USR2_TXDC;  in imx_uart_int()
967 		usr2 &= ~USR2_ORE;  in imx_uart_int()
976 	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {  in imx_uart_int()
999 	if (usr2 & USR2_ORE) {  in imx_uart_int()
1001 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_int()
1018 	ret = (imx_uart_readl(sport, USR2) & USR2_TXDC) ?  TIOCSER_TEMT : 0;  in imx_uart_tx_empty()
1239 	u32 usr1, usr2;  in imx_uart_clear_rx_errors()  local
1242 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_clear_rx_errors()
1244 	if (usr2 & USR2_BRCD) {  in imx_uart_clear_rx_errors()
1246 		imx_uart_writel(sport, USR2_BRCD, USR2);  in imx_uart_clear_rx_errors()
1261 	if (usr2 & USR2_ORE) {  in imx_uart_clear_rx_errors()
1263 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_clear_rx_errors()
1439 	imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_startup()
1595 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD  in imx_uart_flush_buffer()
1598 	 * We don't need to restore the old values from USR1, USR2, URXD and  in imx_uart_flush_buffer()
1881 	if (!(imx_uart_readl(sport, USR2) & USR2_RDR))  in imx_uart_poll_get_char()
1902 		status = imx_uart_readl(sport, USR2);  in imx_uart_poll_put_char()
2013 	while (!(imx_uart_readl(sport, USR2) & USR2_TXDC));  in imx_uart_console_write()