diff options
Diffstat (limited to 'include/asm-x86/serial.h')
| -rw-r--r-- | include/asm-x86/serial.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/include/asm-x86/serial.h b/include/asm-x86/serial.h index cf1b05227b29..628c801535ea 100644 --- a/include/asm-x86/serial.h +++ b/include/asm-x86/serial.h @@ -1,5 +1,29 @@ -#ifdef CONFIG_X86_32 -# include "serial_32.h" +#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 the faster clock. + */ +#define BASE_BAUD ( 1843200 / 16 ) + +/* Standard COM flags (except for COM4, because of the 8514 problem) */ +#ifdef CONFIG_SERIAL_DETECT_IRQ +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) +#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) #else -# include "serial_64.h" +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) +#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF #endif + +#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 */ \ + { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ + { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ + +#endif /* _ASM_X86_SERIAL_H */ |