tty/serial/imx.c

46 #define USR1  0x94 /* Status Register 1 */
342 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD
345 	 * We don't need to restore the old values from USR1, USR2, URXD and
757 	imx_uart_writel(sport, USR1_RTSD, USR1);
758 	usr1 = imx_uart_readl(sport, USR1) & USR1_RTSS;
916 	unsigned usr1 = imx_uart_readl(sport, USR1);
968 	usr1 = imx_uart_readl(sport, USR1);
1001 		imx_uart_writel(sport, USR1_AGTIM, USR1);
1013 		imx_uart_writel(sport, USR1_DTRD, USR1);
1026 		imx_uart_writel(sport, USR1_AWAKE, USR1);
1279 	usr1 = imx_uart_readl(sport, USR1);
1292 			imx_uart_writel(sport, USR1_FRAMERR, USR1);
1295 			imx_uart_writel(sport, USR1_PARITYERR, USR1);
1479 	imx_uart_writel(sport, USR1_RTSD | USR1_DTRD, USR1);
1918 		status = imx_uart_readl(sport, USR1);
2527 		imx_uart_writel(sport, USR1_AWAKE, USR1);
2537 			imx_uart_writel(sport, USR1_RTSD, USR1);