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/*

 * linux/arch/i960/kernel/setup.c

 *

 * Copyright (C) 1999 Keith Adams <kma@cse.ogi.edu>,

 *                    Erik Walthinsen <omega@cse.ogi.edu>

 *

 * Copied/hacked from code by:

 *

 * Copyright (C) 1998  D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>,

 *                     Kenneth Albanowski <kjahds@kjahds.com>

 *                     The Silver Hammer Group, Ltd.

 *

 * linux/arch/m68k/kernel/setup.c

 *

 * Copyright (C) 1995  Hamish Macdonald

 */

/*

 * This file handles the architecture-dependent parts of system setup

 */

#include <linux/config.h>

#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/fs.h>

#include <linux/fb.h>

#include <linux/console.h>

#include <linux/genhd.h>

#include <linux/errno.h>

#include <linux/string.h>

#include <linux/major.h>

#include <asm/setup.h>

#include <asm/irq.h>

#include <asm/machdep.h>

#ifdef CONFIG_BLK_DEV_INITRD

#include <linux/blk.h>

#include <asm/pgtable.h>

#endif

extern int end;

/* FIXME this needs to be looked into */

unsigned long availmem = 1024*1024;

unsigned long rom_length;

unsigned long memory_start;

unsigned long memory_end;

char command_line[512];

char saved_command_line[512];

/* setup some dummy routines */

static void dummy_waitbut(void)

{

}

/* machine dependent keyboard functions */

int (*mach_keyb_init) (void);

int (*mach_kbdrate) (struct kbd_repeat *) = NULL;

void (*mach_kbd_leds) (unsigned int) = NULL;

/* machine dependent irq functions */

void (*mach_init_IRQ) (void);

void (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL;

int (*mach_request_irq) (unsigned int, void (*)(int, void *, struct pt_regs *),

                         unsigned long, const char *, void *);

int (*mach_free_irq) (unsigned int, void *);

void (*mach_enable_irq) (unsigned int) = NULL;

void (*mach_disable_irq) (unsigned int) = NULL;

int (*mach_get_irq_list) (char *) = NULL;

void (*mach_process_int) (int, struct pt_regs *) = NULL;

/* machine dependent timer functions */

unsigned long (*mach_gettimeoffset) (void);

void (*mach_gettod) (int*, int*, int*, int*, int*, int*);

int (*mach_hwclk) (int, struct hwclk_time*) = NULL;

int (*mach_set_clock_mmss) (unsigned long) = NULL;

void (*mach_mksound)( unsigned int count, unsigned int ticks );

void (*mach_reset)( void );

void (*waitbut)(void) = dummy_waitbut;

void (*mach_debug_init)(void);

extern void register_console(void (*proc)(const char *));

#define MASK_256K 0xfffc0000

#ifdef CONFIG_I960VH

#       define CPU "i960Vh"

#endif

#ifdef CONFIG_I960RX

#       define CPU "i960Rx"

#endif

#ifdef CONFIG_I960HX

#       define CPU "i960Hx"

#endif

#ifdef CONFIG_I960CX

#       define CPU "i960Cx"

#endif

#ifdef CONFIG_I960JX

#       define CPU "i960Jx"

#endif

/* set up for i960 */

void setup_arch(char **cmdline_p,

                unsigned long * memory_start_p, unsigned long * memory_end_p)

{

        extern  int stackbase, _etext, _edata, _end;

        extern void mon960_console_init(void);

#ifdef CONFIG_MON960_CONSOLE

        extern void console_print_mon960(const char* msg);

        register_console(console_print_mon960);

        mon960_console_init();

#endif

        printk("\r\n\nuClinux " CPU "\n");

        printk("i960 port (C) 1999 Keith Adams, Erik Walthinsen, Oregon Graduate Institute\n");

        printk("Flat model support (C) 1998 Kenneth Albanowski, D. Jeff Dionne, TSHG Ltd.\n");

        memory_start = PAGE_ALIGN(((unsigned long)&_end));

        init_task.mm->start_code = 0;

        init_task.mm->end_code = (unsigned long) &_etext;

        init_task.mm->end_data = (unsigned long) &_edata;

        init_task.mm->brk = (unsigned long) &_end;

        ROOT_DEV = MKDEV(BLKMEM_MAJOR,0);

        command_line[512-1] = '\0';

        if (memcmp(command_line, "Arg!", 4))

                command_line[4] = '\0';

        memset(command_line, 0, 4);

        strcpy(saved_command_line, command_line+4);

        *cmdline_p = command_line+4;

#ifdef DEBUG

        if (strlen(*cmdline_p))

                printk("Command line: '%s'\n", *cmdline_p);

#endif

        *memory_start_p = memory_start;

#ifdef CONFIG_CYVH

        *memory_end_p = (unsigned long)&stackbase;

#endif

}

/* set up for i960 */

int get_cpuinfo(char * buffer)

{

    char *cpu, *mmu, *fpu;

    u_long clockfreq, clockfactor;

    cpu = CPU;

    mmu = "none";

    fpu = "none";

    clockfactor = 16;

    clockfreq = loops_per_sec*clockfactor;

    return(sprintf(buffer, "CPU:\t\t%s\n"

                   "MMU:\t\t%s\n"

                   "FPU:\t\t%s\n"

                   "Clocking:\t%lu.%1luMHz\n"

                   "BogoMips:\t%lu.%02lu\n"

                   "Calibration:\t%lu loops\n",

                   cpu, mmu, fpu,

                   clockfreq/1000000,(clockfreq/100000)%10,

                   loops_per_sec/500000,(loops_per_sec/5000)%100,

                   loops_per_sec));

}

void arch_gettod(int *year, int *mon, int *day, int *hour,

                 int *min, int *sec)

{

        *year = *mon = *day = *hour = *min = *sec = 0;

}