include/asm-alpha/serial.h

   1 /*
   2  * include/asm-alpha/serial.h
   3  */
   4
   5 #include <linux/config.h>
   6
   7 /*
   8  * This assumes you have a 1.8432 MHz clock for your UART.
   9  *
  10  * It'd be nice if someone built a serial card with a 24.576 MHz
  11  * clock, since the 16550A is capable of handling a top speed of 1.5
  12  * megabits/second; but this requires the faster clock.
  13  */
  14 #define BASE_BAUD ( 1843200 / 16 )
  15
  16 /* Standard COM flags (except for COM4, because of the 8514 problem) */
  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 #endif
  30
  31 #define STD_SERIAL_PORT_DEFNS                   \
  32         /* UART CLK   PORT IRQ     FLAGS        */                      \
  33         { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },      /* ttyS0 */     \
  34         { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },      /* ttyS1 */     \
  35         { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
  36         { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
  37
  38
  39 #ifdef CONFIG_SERIAL_MANY_PORTS
  40 #define EXTRA_SERIAL_PORT_DEFNS                 \
  41         { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS },     /* ttyS4 */     \
  42         { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS },     /* ttyS5 */     \
  43         { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS },     /* ttyS6 */     \
  44         { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS },     /* ttyS7 */     \
  45         { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS },     /* ttyS8 */     \
  46         { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS },     /* ttyS9 */     \
  47         { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS },     /* ttyS10 */    \
  48         { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS },     /* ttyS11 */    \
  49         { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS },       /* ttyS12 */    \
  50         { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS },       /* ttyS13 */    \
  51         { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS14 (spare) */            \
  52         { 0, BASE_BAUD, 0x000, 0, 0 },  /* ttyS15 (spare) */            \
  53         { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS },        /* ttyS16 */    \
  54         { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS },        /* ttyS17 */    \
  55         { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS },        /* ttyS18 */    \
  56         { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS },        /* ttyS19 */    \
  57         { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS },        /* ttyS20 */    \
  58         { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS },        /* ttyS21 */    \
  59         { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS },        /* ttyS22 */    \
  60         { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS },        /* ttyS23 */    \
  61         { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS },        /* ttyS24 */    \
  62         { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS },        /* ttyS25 */    \
  63         { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS },        /* ttyS26 */    \
  64         { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS },        /* ttyS27 */    \
  65         { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS },        /* ttyS28 */    \
  66         { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS },        /* ttyS29 */    \
  67         { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS },        /* ttyS30 */    \
  68         { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS },        /* ttyS31 */
  69 #else
  70 #define EXTRA_SERIAL_PORT_DEFNS
  71 #endif
  72
  73 #define SERIAL_PORT_DFNS                \
  74         STD_SERIAL_PORT_DEFNS           \
  75         EXTRA_SERIAL_PORT_DEFNS