LXR linux/arch/mips/mipssim/sim

   1/*
   2 * Copyright (C) 2005 MIPS Technologies, Inc.  All rights reserved.
   3 *
   4 *  This program is free software; you can distribute it and/or modify it
   5 *  under the terms of the GNU General Public License (Version 2) as
   6 *  published by the Free Software Foundation.
   7 *
   8 *  This program is distributed in the hope it will be useful, but WITHOUT
   9 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11 *  for more details.
  12 *
  13 *  You should have received a copy of the GNU General Public License along
  14 *  with this program; if not, write to the Free Software Foundation, Inc.,
  15 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16 *
  17 */
  18
  19#include <linux/init.h>
  20#include <linux/string.h>
  21#include <linux/kernel.h>
  22#include <linux/io.h>
  23#include <linux/irq.h>
  24#include <linux/ioport.h>
  25#include <linux/tty.h>
  26#include <linux/serial.h>
  27#include <linux/serial_core.h>
  28#include <linux/serial_8250.h>
  29
  30#include <asm/cpu.h>
  31#include <asm/bootinfo.h>
  32#include <asm/mips-boards/generic.h>
  33#include <asm/mips-boards/prom.h>
  34#include <asm/time.h>
  35#include <asm/mips-boards/sim.h>
  36#include <asm/mips-boards/simint.h>
  37
  38
  39static void __init serial_init(void);
  40unsigned int _isbonito;
  41
  42const char *get_system_type(void)
  43{
  44        return "MIPSsim";
  45}
  46
  47void __init plat_mem_setup(void)
  48{
  49        set_io_port_base(0xbfd00000);
  50
  51        serial_init();
  52}
  53
  54extern struct plat_smp_ops ssmtc_smp_ops;
  55
  56void __init prom_init(void)
  57{
  58        set_io_port_base(0xbfd00000);
  59
  60        prom_meminit();
  61
  62#ifdef CONFIG_MIPS_MT_SMP
  63        if (cpu_has_mipsmt)
  64                register_smp_ops(&vsmp_smp_ops);
  65        else
  66                register_smp_ops(&up_smp_ops);
  67#endif
  68#ifdef CONFIG_MIPS_MT_SMTC
  69        if (cpu_has_mipsmt)
  70                register_smp_ops(&ssmtc_smp_ops);
  71        else
  72                register_smp_ops(&up_smp_ops);
  73#endif
  74}
  75
  76static void __init serial_init(void)
  77{
  78#ifdef CONFIG_SERIAL_8250
  79        struct uart_port s;
  80
  81        memset(&s, 0, sizeof(s));
  82
  83        s.iobase = 0x3f8;
  84
  85        /* hardware int 4 - the serial int, is CPU int 6
  86         but poll for now */
  87        s.irq =  0;
  88        s.uartclk = 1843200;
  89        s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
  90        s.iotype = UPIO_PORT;
  91        s.regshift = 0;
  92        s.timeout = 4;
  93
  94        if (early_serial_setup(&s) != 0) {
  95                printk(KERN_ERR "Serial setup failed!\n");
  96        }
  97
  98#endif
  99}
 100