diff options
Diffstat (limited to 'include/asm-parisc/serial.h')
| -rw-r--r-- | include/asm-parisc/serial.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-parisc/serial.h b/include/asm-parisc/serial.h new file mode 100644 index 000000000..a9cef8e95 --- /dev/null +++ b/include/asm-parisc/serial.h @@ -0,0 +1,47 @@ +/* + * include/asm-parisc/serial.h + */ + +#include <linux/config.h> +#include <asm/gsc.h> + +/* + * This assumes you have a 7.272727 MHz clock for your UART. + * The documentation implies a 40Mhz clock, and elsewhere a 7Mhz clock + * Clarified: 7.2727MHz on LASI. Not yet clarified for DINO + */ + +#define LASI_BASE_BAUD ( 7272727 / 16 ) +#define BASE_BAUD LASI_BASE_BAUD + +#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 +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) +#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF +#endif + +#ifdef CONFIG_SERIAL_MANY_PORTS +#define FOURPORT_FLAGS ASYNC_FOURPORT +#define ACCENT_FLAGS 0 +#define BOCA_FLAGS 0 +#define HUB6_FLAGS 0 +#define RS_TABLE_SIZE 64 +#else +#define RS_TABLE_SIZE 4 +#endif + +/* + * The base is relative to the LASI base. We can fix that + * up later. We could also virtually map LASI so that we get + * nice constants all over our kernel... + */ + +#define STD_SERIAL_PORT_DEFNS \ + /* UART CLK PORT IRQ FLAGS */ \ + { 0, LASI_BASE_BAUD, -1, 4, ASYNC_SKIP_TEST, 0, PORT_UNKNOWN,}, /* ttyS0 */ + +#define SERIAL_PORT_DFNS \ + STD_SERIAL_PORT_DEFNS + |