include/asm-parisc/serial.h

   1 /*
   2  * include/asm-parisc/serial.h
   3  */
   4
   5 #include <linux/config.h>
   6 #include <asm/gsc.h>
   7
   8 /*
   9  * This assumes you have a 7.272727 MHz clock for your UART.
  10  * The documentation implies a 40Mhz clock, and elsewhere a 7Mhz clock
  11  * Clarified: 7.2727MHz on LASI. Not yet clarified for DINO
  12  */
  13
  14 #define LASI_BASE_BAUD ( 7272727 / 16 )
  15 #define BASE_BAUD  LASI_BASE_BAUD
  16
  17 #ifdef CONFIG_SERIAL_DETECT_IRQ
  18 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
  19 #define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
  20 #else
  21 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  22 #define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
  23 #endif
  24
  25 #ifdef CONFIG_SERIAL_MANY_PORTS
  26 #define FOURPORT_FLAGS ASYNC_FOURPORT
  27 #define ACCENT_FLAGS 0
  28 #define BOCA_FLAGS 0
  29 #define HUB6_FLAGS 0
  30 #define RS_TABLE_SIZE  64
  31 #else
  32 #define RS_TABLE_SIZE  4
  33 #endif
  34
  35 /*
  36  *      The base is relative to the LASI base. We can fix that
  37  *      up later. We could also virtually map LASI so that we get
  38  *      nice constants all over our kernel...
  39  */
  40
  41 #define STD_SERIAL_PORT_DEFNS                   \
  42         /* UART CLK   PORT IRQ     FLAGS        */                      \
  43         { 0, LASI_BASE_BAUD, -1, 4, ASYNC_SKIP_TEST, 0, PORT_UNKNOWN,}, /* ttyS0 */
  44
  45 #define SERIAL_PORT_DFNS                \
  46         STD_SERIAL_PORT_DEFNS
  47