diff options
Diffstat (limited to 'include/asm-x86/serial_32.h')
-rw-r--r-- | include/asm-x86/serial_32.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-x86/serial_32.h b/include/asm-x86/serial_32.h new file mode 100644 index 000000000000..bd67480ca109 --- /dev/null +++ b/include/asm-x86/serial_32.h | |||
@@ -0,0 +1,29 @@ | |||
1 | /* | ||
2 | * include/asm-i386/serial.h | ||
3 | */ | ||
4 | |||
5 | |||
6 | /* | ||
7 | * This assumes you have a 1.8432 MHz clock for your UART. | ||
8 | * | ||
9 | * It'd be nice if someone built a serial card with a 24.576 MHz | ||
10 | * clock, since the 16550A is capable of handling a top speed of 1.5 | ||
11 | * megabits/second; but this requires the faster clock. | ||
12 | */ | ||
13 | #define BASE_BAUD ( 1843200 / 16 ) | ||
14 | |||
15 | /* Standard COM flags (except for COM4, because of the 8514 problem) */ | ||
16 | #ifdef CONFIG_SERIAL_DETECT_IRQ | ||
17 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) | ||
18 | #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) | ||
19 | #else | ||
20 | #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) | ||
21 | #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF | ||
22 | #endif | ||
23 | |||
24 | #define SERIAL_PORT_DFNS \ | ||
25 | /* UART CLK PORT IRQ FLAGS */ \ | ||
26 | { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ | ||
27 | { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ | ||
28 | { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ | ||
29 | { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ | ||