/* * Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 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. */#include <linux/config.h>#include <linux/init.h>#include <linux/sched.h>#include <linux/mc146818rtc.h>#include <linux/ioport.h>#include <linux/pci.h>#ifdef CONFIG_BLK_DEV_IDE#include <linux/ide.h>#endif#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/malta.h>#include <asm/mips-boards/maltaint.h>#ifdef CONFIG_BLK_DEV_FD#include <asm/floppy.h>#endif#include <asm/dma.h>#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE)extern void console_setup(char *, int *);char serial_console[20];#endif#ifdef CONFIG_REMOTE_DEBUGextern void set_debug_traps(void);extern void rs_kgdb_hook(int);extern void breakpoint(void);static int remote_debug = 0;#endifextern struct ide_ops std_ide_ops;extern struct fd_ops std_fd_ops;extern struct rtc_ops malta_rtc_ops;extern struct kbd_ops std_kbd_ops;extern void mips_reboot_setup(void);struct resource standard_io_resources[] = {	{ "dma1", 0x00, 0x1f, IORESOURCE_BUSY },	{ "timer", 0x40, 0x5f, IORESOURCE_BUSY },	{ "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },	{ "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },};#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))void __init malta_setup(void){#ifdef CONFIG_REMOTE_DEBUG	int rs_putDebugChar(char);	char rs_getDebugChar(void);	extern int (*generic_putDebugChar)(char);	extern char (*generic_getDebugChar)(void);#endif	char *argptr;	int i;	/* Request I/O space for devices used on the Malta board. */	for (i = 0; i < STANDARD_IO_RESOURCES; i++)		request_resource(&ioport_resource, standard_io_resources+i);	/* 	 * Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge.	 */	enable_dma(4);#ifdef CONFIG_SERIAL_CONSOLE	argptr = prom_getcmdline();	if ((argptr = strstr(argptr, "console=")) == NULL) {		argptr = prom_getcmdline();		strcat(argptr, " console=ttyS0,38400");	}#endif#ifdef CONFIG_REMOTE_DEBUG	argptr = prom_getcmdline();	if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {		int line;		argptr += strlen("kgdb=ttyS");		if (*argptr != '0' && *argptr != '1')			printk("KGDB: Uknown serial line /dev/ttyS%c, "			       "falling back to /dev/ttyS1\n", *argptr);		line = *argptr == '0' ? 0 : 1;		printk("KGDB: Using serial line /dev/ttyS%d for session\n",		       line ? 1 : 0);		rs_kgdb_hook(line);		generic_putDebugChar = rs_putDebugChar;		generic_getDebugChar = rs_getDebugChar;		prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "			    "please connect your debugger\n", line ? 1 : 0);		remote_debug = 1;		/* Breakpoints are in init_IRQ() */	}#endif	argptr = prom_getcmdline();	if ((argptr = strstr(argptr, "nofpu")) != NULL)		mips_cpu.options &= ~MIPS_CPU_FPU;			rtc_ops = &malta_rtc_ops;#ifdef CONFIG_BLK_DEV_IDE        ide_ops = &std_ide_ops;#endif#ifdef CONFIG_BLK_DEV_FD        fd_ops = &std_fd_ops;#endif#ifdef CONFIG_PC_KEYB	kbd_ops = &std_kbd_ops;#endif	mips_reboot_setup();}