serial.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 54 行

/*
 * include/asm-parisc/serial.h
 */

#include <linux/config.h>

/*
 * This assumes you have a 7.272727 MHz clock for your UART.
 * The documentation implies a 40Mhz clock, and elsewhere a 7Mhz clock
 * Clarified: 7.2727MHz on LASI. Not yet clarified for DINO
 */

#define LASI_BASE_BAUD ( 7272727 / 16 )
#define BASE_BAUD  LASI_BASE_BAUD

#ifdef CONFIG_SERIAL_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
#endif

#ifdef CONFIG_SERIAL_MANY_PORTS
#define FOURPORT_FLAGS ASYNC_FOURPORT
#define ACCENT_FLAGS 0
#define BOCA_FLAGS 0
#define HUB6_FLAGS 0
#endif
	
/*
 * We don't use the ISA probing code, so these entries are just to reserve
 * space.  Some example (maximal) configurations:
 * - 712 w/ additional Lasi & RJ16 ports: 4
 * - J5k w/ PCI serial cards: 2 + 4 * card ~= 34
 * A500 w/ PCI serial cards: 5 + 4 * card ~= 17
 */
 
#define STD_SERIAL_PORT_DEFNS			\
	{ 0, },		/* ttyS0 */	\
	{ 0, },		/* ttyS1 */	\
	{ 0, },		/* ttyS2 */	\
	{ 0, },		/* ttyS3 */	\
	{ 0, },		/* ttyS4 */	\
	{ 0, },		/* ttyS5 */	\
	{ 0, },		/* ttyS6 */	\
	{ 0, },		/* ttyS7 */	\
	{ 0, },		/* ttyS8 */


#define SERIAL_PORT_DFNS		\
	STD_SERIAL_PORT_DEFNS