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sead_setup.c

/*
 * Carsten Langgaard, carstenl@mips.com
 * Copyright (C) 2002 MIPS Technologies, Inc.  All rights reserved.
 *
 *  This program is free software; you can distribute it and/or modify it
 *  under the terms of the GNU General Public License (Version 2) as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * SEAD specific setup.
 */
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>

#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/prom.h>
#include <asm/mips-boards/sead.h>
#include <asm/mips-boards/seadint.h>
#include <asm/time.h>

extern void mips_reboot_setup(void);

static void __init serial_init(void);

const char *get_system_type(void)
{
      return "MIPS SEAD";
}

const char display_string[] = "        LINUX ON SEAD       ";

void __init plat_mem_setup(void)
{
      ioport_resource.end = 0x7fffffff;

      serial_init();

      mips_reboot_setup();
}

static void __init serial_init(void)
{
#ifdef CONFIG_SERIAL_8250
      struct uart_port s;

      memset(&s, 0, sizeof(s));

#ifdef CONFIG_CPU_LITTLE_ENDIAN
      s.iobase = SEAD_UART0_REGS_BASE;
#else
      s.iobase = SEAD_UART0_REGS_BASE+3;
#endif
      s.irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_UART0;
      s.uartclk = SEAD_BASE_BAUD * 16;
      s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
      s.iotype = UPIO_PORT;
      s.regshift = 3;

      if (early_serial_setup(&s) != 0) {
            printk(KERN_ERR "Serial setup failed!\n");
      }
#endif
}

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