mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 18:24:14 +08:00
507224aa88
Remove CONFIG_SERIAL_DETECT_IRQ and CONFIG_SERIAL_MANY_PORTS, and substitute all references to the proper 8250 Kconfig options. Now, the actual Kconfig dependencies are not hidden when reading the code and static analyzers are less confused. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
#ifndef _ASM_X86_SERIAL_H
|
|
#define _ASM_X86_SERIAL_H
|
|
|
|
/*
|
|
* 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 a faster clock.
|
|
*/
|
|
#define BASE_BAUD (1843200/16)
|
|
|
|
/* Standard COM flags (except for COM4, because of the 8514 problem) */
|
|
#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
|
|
# define STD_COMX_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ)
|
|
# define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | 0 | UPF_AUTO_IRQ)
|
|
#else
|
|
# define STD_COMX_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | 0 )
|
|
# define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | 0 | 0 )
|
|
#endif
|
|
|
|
#define SERIAL_PORT_DFNS \
|
|
/* UART CLK PORT IRQ FLAGS */ \
|
|
{ .uart = 0, BASE_BAUD, 0x3F8, 4, STD_COMX_FLAGS }, /* ttyS0 */ \
|
|
{ .uart = 0, BASE_BAUD, 0x2F8, 3, STD_COMX_FLAGS }, /* ttyS1 */ \
|
|
{ .uart = 0, BASE_BAUD, 0x3E8, 4, STD_COMX_FLAGS }, /* ttyS2 */ \
|
|
{ .uart = 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
|
|
|
|
#endif /* _ASM_X86_SERIAL_H */
|