1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 /*
2 #ifndef __ASM_GENERIC_SERIAL_H !! 2 * include/asm-alpha/serial.h
3 #define __ASM_GENERIC_SERIAL_H !! 3 */
>> 4
>> 5 #include <linux/config.h>
4 6
5 /* 7 /*
6 * This should not be an architecture specific !! 8 * This assumes you have a 1.8432 MHz clock for your UART.
7 * 9 *
8 * Traditionally, it just describes i8250 and !! 10 * It'd be nice if someone built a serial card with a 24.576 MHz
9 * that have this clock rate. !! 11 * clock, since the 16550A is capable of handling a top speed of 1.5
>> 12 * megabits/second; but this requires the faster clock.
10 */ 13 */
>> 14 #define BASE_BAUD ( 1843200 / 16 )
>> 15
>> 16 /* Standard COM flags (except for COM4, because of the 8514 problem) */
>> 17 #ifdef CONFIG_SERIAL_DETECT_IRQ
>> 18 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
>> 19 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
>> 20 #else
>> 21 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
>> 22 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
>> 23 #endif
>> 24
>> 25 #ifdef CONFIG_SERIAL_MANY_PORTS
>> 26 #define FOURPORT_FLAGS ASYNC_FOURPORT
>> 27 #define ACCENT_FLAGS 0
>> 28 #define BOCA_FLAGS 0
>> 29 #endif
>> 30
>> 31 #define STD_SERIAL_PORT_DEFNS \
>> 32 /* UART CLK PORT IRQ FLAGS */ \
>> 33 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
>> 34 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
>> 35 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
>> 36 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
>> 37
11 38
12 #define BASE_BAUD (1843200 / 16) !! 39 #ifdef CONFIG_SERIAL_MANY_PORTS
>> 40 #define EXTRA_SERIAL_PORT_DEFNS \
>> 41 { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
>> 42 { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
>> 43 { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
>> 44 { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
>> 45 { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
>> 46 { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
>> 47 { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
>> 48 { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
>> 49 { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
>> 50 { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
>> 51 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
>> 52 { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
>> 53 { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
>> 54 { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
>> 55 { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
>> 56 { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
>> 57 { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
>> 58 { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
>> 59 { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
>> 60 { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
>> 61 { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
>> 62 { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
>> 63 { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
>> 64 { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
>> 65 { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
>> 66 { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
>> 67 { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
>> 68 { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
>> 69 #else
>> 70 #define EXTRA_SERIAL_PORT_DEFNS
>> 71 #endif
13 72
14 #endif /* __ASM_GENERIC_SERIAL_H */ !! 73 #define SERIAL_PORT_DFNS \
>> 74 STD_SERIAL_PORT_DEFNS \
>> 75 EXTRA_SERIAL_PORT_DEFNS
15 76
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