diff options
Diffstat (limited to 'include/asm-sh/ec3104/serial.h')
| -rw-r--r-- | include/asm-sh/ec3104/serial.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-sh/ec3104/serial.h b/include/asm-sh/ec3104/serial.h new file mode 100644 index 0000000..f8eb163 --- /dev/null +++ b/include/asm-sh/ec3104/serial.h @@ -0,0 +1,22 @@ +#include <asm/ec3104.h> +/* Naturally we don't know the exact value but 115200 baud has a divisor + * of 9 and 19200 baud has a divisor of 52, so this seems like a good + * guess. */ +#define BASE_BAUD (16800000 / 16) + +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) + +/* there is a fourth serial port with the expected values as well, but + * it's got the keyboard controller behind it so we can't really use it + * (without moving the keyboard driver to userspace, which doesn't sound + * like a very good idea) */ +#define STD_SERIAL_PORT_DEFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, 0x11C00, EC3104_IRQBASE+7, STD_COM_FLAGS }, /* ttyS0 */ \ + { 0, BASE_BAUD, 0x12000, EC3104_IRQBASE+8, STD_COM_FLAGS }, /* ttyS1 */ \ + { 0, BASE_BAUD, 0x12400, EC3104_IRQBASE+9, STD_COM_FLAGS }, /* ttyS2 */ + +#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS + +/* XXX: This should be moved ino irq.h */ +#define irq_cannonicalize(x) (x) |
