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serial: add support for the TI AR7 internal UART
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This patch adds support for the TI AR7 internal UART.

Signed-off-by: Florian Fainelli <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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ffainelli authored and torvalds committed Jun 11, 2009
1 parent 257a6e8 commit 08e0992
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Showing 2 changed files with 9 additions and 1 deletion.
7 changes: 7 additions & 0 deletions drivers/serial/8250.c
Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,13 @@ static const struct serial8250_config uart_config[] = {
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO,
},
[PORT_AR7] = {
.name = "AR7",
.fifo_size = 16,
.tx_loadsz = 16,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
.flags = UART_CAP_FIFO | UART_CAP_AFE,
},
};

#if defined (CONFIG_SERIAL_8250_AU1X00)
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3 changes: 2 additions & 1 deletion include/linux/serial_core.h
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */
#define PORT_MAX_8250 17 /* max port ID */
#define PORT_AR7 18 /* Texas Instruments AR7 internal UART */
#define PORT_MAX_8250 18 /* max port ID */

/*
* ARM specific type numbers. These are not currently guaranteed
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