arch/ia64/hp/sim/hpsim_setup.c

   1 /*
   2  * Platform dependent support for HP simulator.
   3  *
   4  * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
   5  *      David Mosberger-Tang <davidm@hpl.hp.com>
   6  * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
   7  */
   8 #include <linux/config.h>
   9 #include <linux/console.h>
  10 #include <linux/init.h>
  11 #include <linux/kdev_t.h>
  12 #include <linux/kernel.h>
  13 #include <linux/major.h>
  14 #include <linux/param.h>
  15 #include <linux/root_dev.h>
  16 #include <linux/string.h>
  17 #include <linux/types.h>
  18
  19 #include <asm/delay.h>
  20 #include <asm/irq.h>
  21 #include <asm/pal.h>
  22 #include <asm/machvec.h>
  23 #include <asm/pgtable.h>
  24 #include <asm/sal.h>
  25
  26 #include "hpsim_ssc.h"
  27
  28 /*
  29  * Simulator system call.
  30  */
  31 asm (".text\n"
  32      ".align 32\n"
  33      ".global ia64_ssc\n"
  34      ".proc ia64_ssc\n"
  35      "ia64_ssc:\n"
  36      "mov r15=r36\n"
  37      "break 0x80001\n"
  38      "br.ret.sptk.many rp\n"
  39      ".endp\n");
  40
  41 void
  42 ia64_ssc_connect_irq (long intr, long irq)
  43 {
  44         ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
  45 }
  46
  47 void
  48 ia64_ctl_trace (long on)
  49 {
  50         ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
  51 }
  52
  53 void __init
  54 hpsim_setup (char **cmdline_p)
  55 {
  56         ROOT_DEV = Root_SDA1;           /* default to first SCSI drive */
  57
  58 #ifdef CONFIG_HP_SIMSERIAL_CONSOLE
  59         {
  60                 extern struct console hpsim_cons;
  61                 if (ia64_platform_is("hpsim"))
  62                         register_console(&hpsim_cons);
  63         }
  64 #endif
  65 }