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Commit 08e0992f authored by Florian Fainelli's avatar Florian Fainelli Committed by Linus Torvalds
Browse files

serial: add support for the TI AR7 internal UART 



This patch adds support for the TI AR7 internal UART.

Signed-off-by: default avatarFlorian Fainelli <florian@openwrt.org>
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 257a6e8c

drivers/serial/8250.c

+7 −0
Original line number Diff line number Diff line
@@ -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)

include/linux/serial_core.h

+2 −1
Original line number Diff line number Diff line
@@ -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