serial.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:5k
- /*
- * BK Id: SCCS/s.serial.h 1.15 10/23/01 08:09:35 trini
- */
- /*
- * include/asm-ppc/serial.h
- */
- #ifdef __KERNEL__
- #ifndef __ASM_SERIAL_H__
- #define __ASM_SERIAL_H__
- #include <linux/config.h>
- #ifdef CONFIG_GEMINI
- #include <asm/gemini_serial.h>
- #elif defined(CONFIG_4xx)
- #include <asm/ppc4xx_serial.h>
- #else
- /*
- * This assumes you have a 1.8432 MHz clock for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- */
- #define BASE_BAUD ( 1843200 / 16 )
- #ifdef CONFIG_SERIAL_MANY_PORTS
- #define RS_TABLE_SIZE 64
- #else
- #define RS_TABLE_SIZE 4
- #endif
- /* Standard COM flags (except for COM4, because of the 8514 problem) */
- #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
-
- /*
- * The following define the access methods for the HUB6 card. All
- * access is through two ports for all 24 possible chips. The card is
- * selected through the high 2 bits, the port on that card with the
- * "middle" 3 bits, and the register on that port with the bottom
- * 3 bits.
- *
- * While the access port and interrupt is configurable, the default
- * port locations are 0x302 for the port control register, and 0x303
- * for the data read/write register. Normally, the interrupt is at irq3
- * but can be anything from 3 to 7 inclusive. Note that using 3 will
- * require disabling com2.
- */
- #define C_P(card,port) (((card)<<6|(port)<<3) + 1)
- #define STD_SERIAL_PORT_DEFNS
- /* UART CLK PORT IRQ FLAGS */
- { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */
- { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */
- { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */
- { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
- #ifdef CONFIG_SERIAL_MANY_PORTS
- #define EXTRA_SERIAL_PORT_DEFNS
- { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */
- { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */
- { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */
- { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */
- { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */
- { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */
- { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */
- { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */
- { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */
- { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */
- { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */
- { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */
- { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */
- { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */
- { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */
- { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */
- { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */
- { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */
- { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */
- { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */
- { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */
- { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */
- { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */
- { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */
- { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */
- { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */
- { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */
- { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
- #else
- #define EXTRA_SERIAL_PORT_DEFNS
- #endif
- /* You can have up to four HUB6's in the system, but I've only
- * included two cards here for a total of twelve ports.
- */
- #if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
- #define HUB6_SERIAL_PORT_DFNS
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */
- { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */
- #else
- #define HUB6_SERIAL_PORT_DFNS
- #endif
- #define MCA_SERIAL_PORT_DFNS
- #define SERIAL_PORT_DFNS
- STD_SERIAL_PORT_DEFNS
- EXTRA_SERIAL_PORT_DEFNS
- HUB6_SERIAL_PORT_DFNS
- MCA_SERIAL_PORT_DFNS
- #endif /* !CONFIG_GEMINI and others */
- #endif /* __ASM_SERIAL_H__ */
- #endif /* __KERNEL__ */