mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 12:14:01 +08:00
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
|
|
* include/asm-sh/serial.h
|
|
*
|
|
* Configuration details for 8250, 16450, 16550, etc. serial ports
|
|
*/
|
|
|
|
#ifndef _ASM_SERIAL_H
|
|
#define _ASM_SERIAL_H
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#ifdef CONFIG_SH_EC3104
|
|
#include <asm/serial-ec3104.h>
|
|
#elif defined (CONFIG_SH_BIGSUR)
|
|
#include <asm/serial-bigsur.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 )
|
|
|
|
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
|
|
|
|
#ifdef CONFIG_HD64465
|
|
#include <asm/hd64465.h>
|
|
|
|
#define SERIAL_PORT_DFNS \
|
|
/* UART CLK PORT IRQ FLAGS */ \
|
|
{ 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */
|
|
|
|
#else
|
|
|
|
#define SERIAL_PORT_DFNS \
|
|
/* UART CLK PORT IRQ FLAGS */ \
|
|
{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
|
|
{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */
|
|
|
|
#endif
|
|
|
|
#endif
|
|
#endif /* _ASM_SERIAL_H */
|