diff options
Diffstat (limited to 'arch/sh/include/asm/serial.h')
-rw-r--r-- | arch/sh/include/asm/serial.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sh/include/asm/serial.h b/arch/sh/include/asm/serial.h new file mode 100644 index 00000000000..e13cc948ee6 --- /dev/null +++ b/arch/sh/include/asm/serial.h @@ -0,0 +1,36 @@ +/* + * 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> + +/* + * 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/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 + +#endif + +#endif /* _ASM_SERIAL_H */ |