diff options
| -rw-r--r-- | drivers/serial/8250.c | 12 | ||||
| -rw-r--r-- | drivers/serial/serial_core.c | 1 | ||||
| -rw-r--r-- | include/linux/serial_core.h | 1 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 0995430e4cf..5443fcd3835 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -299,6 +299,7 @@ static inline int map_8250_out_reg(struct uart_8250_port *up, int offset) static unsigned int serial_in(struct uart_8250_port *up, int offset) { + unsigned int tmp; offset = map_8250_in_reg(up, offset) << up->port.regshift; switch (up->port.iotype) { @@ -317,6 +318,13 @@ static unsigned int serial_in(struct uart_8250_port *up, int offset) return __raw_readl(up->port.membase + offset); #endif + case UPIO_TSI: + if (offset == UART_IIR) { + tmp = readl((u32 *)(up->port.membase + UART_RX)); + return (cpu_to_le32(tmp) >> 8) & 0xff; + } else + return readb(up->port.membase + offset); + default: return inb(up->port.iobase + offset); } @@ -346,6 +354,10 @@ serial_out(struct uart_8250_port *up, int offset, int value) __raw_writel(value, up->port.membase + offset); break; #endif + case UPIO_TSI: + if (!((offset == UART_IER) && (value & UART_IER_UUE))) + writeb(value, up->port.membase + offset); + break; default: outb(value, up->port.iobase + offset); diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index d5f636fbf29..80ef7d48275 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2036,6 +2036,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) case UPIO_MEM: case UPIO_MEM32: case UPIO_AU: + case UPIO_TSI: snprintf(address, sizeof(address), "MMIO 0x%lx", port->mapbase); break; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 058cba70818..86501a3de2a 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -227,6 +227,7 @@ struct uart_port { #define UPIO_MEM (2) #define UPIO_MEM32 (3) #define UPIO_AU (4) /* Au1x00 type IO */ +#define UPIO_TSI (5) /* Tsi108/109 type IO */ unsigned int read_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */ |