mirror of https://gitee.com/openkylin/linux.git
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* include/asm-sh/serial.h
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*
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* Configuration details for 8250, 16450, 16550, etc. serial ports
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*/
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#ifndef _ASM_SERIAL_H
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#define _ASM_SERIAL_H
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#include <linux/kernel.h>
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#ifdef CONFIG_SH_EC3104
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#include <asm/serial-ec3104.h>
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#elif defined (CONFIG_SH_BIGSUR)
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#include <asm/serial-bigsur.h>
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#else
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/*
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* This assumes you have a 1.8432 MHz clock for your UART.
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*
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* It'd be nice if someone built a serial card with a 24.576 MHz
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* clock, since the 16550A is capable of handling a top speed of 1.5
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* megabits/second; but this requires the faster clock.
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*/
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#define BASE_BAUD ( 1843200 / 16 )
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#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
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#ifdef CONFIG_HD64465
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#include <asm/hd64465.h>
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#define SERIAL_PORT_DFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */
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#else
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#define SERIAL_PORT_DFNS \
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/* UART CLK PORT IRQ FLAGS */ \
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{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
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{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */
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#endif
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#endif
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#endif /* _ASM_SERIAL_H */
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