diff options
Diffstat (limited to 'include/asm-sh/serial.h')
| -rw-r--r-- | include/asm-sh/serial.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-sh/serial.h b/include/asm-sh/serial.h new file mode 100644 index 00000000000..5474dbdbaa8 --- /dev/null +++ b/include/asm-sh/serial.h @@ -0,0 +1,48 @@ +/* + * include/asm-sh/serial.h + * + * Configuration details for 8250, 16450, 16550, etc. serial ports + */ + +#ifndef _ASM_SERIAL_H +#define _ASM_SERIAL_H + +#include <linux/config.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 STD_SERIAL_PORT_DEFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */ + +#else + +#define STD_SERIAL_PORT_DEFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */ + +#endif + +#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS + +#endif +#endif /* _ASM_SERIAL_H */ |