diff -Nru linux-2.6.19.2/include/linux/serialP.h linux-ar7/include/linux/serialP.h --- linux-2.6.19.2/include/linux/serialP.h 2007-01-17 01:24:01.000000000 +0700 +++ linux-ar7/include/linux/serialP.h 2007-03-22 22:36:48.000000000 +0700 @@ -135,6 +135,9 @@ * the interrupt line _up_ instead of down, so if we register the IRQ * while the UART is in that state, we die in an IRQ storm. */ #define ALPHA_KLUDGE_MCR (UART_MCR_OUT2) +#elif defined(CONFIG_AR7) +/* This is how it is set up by bootloader... */ +#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 | UART_MCR_RTS | UART_MCR_DTR) #else #define ALPHA_KLUDGE_MCR 0 #endif diff -Nru linux-2.6.19.2/include/linux/serial_core.h linux-ar7/include/linux/serial_core.h --- linux-2.6.19.2/include/linux/serial_core.h 2007-01-11 02:10:37.000000000 +0700 +++ linux-ar7/include/linux/serial_core.h 2007-03-22 22:50:13.000000000 +0700 @@ -39,7 +39,8 @@ #define PORT_RSA 13 #define PORT_NS16550A 14 #define PORT_XSCALE 15 -#define PORT_MAX_8250 15 /* max port ID */ +#define PORT_AR7 16 +#define PORT_MAX_8250 16 /* max port ID */ /* * ARM specific type numbers. These are not currently guaranteed diff -Nru linux-2.6.19.2/drivers/serial/8250.c linux-ar7/drivers/serial/8250.c --- linux-2.6.19.2/drivers/serial/8250.c 2007-01-11 02:10:37.000000000 +0700 +++ linux-ar7/drivers/serial/8250.c 2007-03-22 22:45:17.000000000 +0700 @@ -251,6 +251,13 @@ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .flags = UART_CAP_FIFO | UART_CAP_UUE, }, + [PORT_AR7] = { + .name = "TI-AR7", + .fifo_size = 16, + .tx_loadsz = 16, + .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, + .flags = UART_CAP_FIFO | UART_CAP_AFE, + }, }; #ifdef CONFIG_SERIAL_8250_AU1X00 @@ -2243,7 +2250,7 @@ { struct uart_8250_port *up = (struct uart_8250_port *)port; - wait_for_xmitr(up, UART_LSR_THRE); + wait_for_xmitr(up, BOTH_EMPTY); serial_out(up, UART_TX, ch); }