1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * include/asm-alpha/serial.h
4 */
5
6
7 /*
8 * This assumes you have a 1.8432 MHz clock fo
9 *
10 * It'd be nice if someone built a serial card
11 * clock, since the 16550A is capable of handl
12 * megabits/second; but this requires the fast
13 */
14 #define BASE_BAUD ( 1843200 / 16 )
15
16 /* Standard COM flags (except for COM4, becaus
17 #ifdef CONFIG_SERIAL_8250_DETECT_IRQ
18 #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF
19 #define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | UP
20 #else
21 #define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF
22 #define STD_COM4_FLAGS UPF_BOOT_AUTOCONF
23 #endif
24
25 #define SERIAL_PORT_DFNS
26 /* UART CLK PORT IRQ FLAGS
27 { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAG
28 { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAG
29 { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAG
30 { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLA
31
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