/*
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/*
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* linux/arch/m68k/kernel/setup.c
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* linux/arch/m68k/kernel/setup.c
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*
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*
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* Copyright (C) 1995 Hamish Macdonald
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* Copyright (C) 1995 Hamish Macdonald
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*/
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*/
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/*
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/*
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* This file handles the architecture-dependent parts of system setup
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* This file handles the architecture-dependent parts of system setup
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*/
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*/
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#include <linux/config.h>
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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#include <linux/fs.h>
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#include <linux/fs.h>
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#include <linux/console.h>
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#include <linux/console.h>
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#include <linux/genhd.h>
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#include <linux/genhd.h>
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#include <linux/errno.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/string.h>
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#include <asm/bootinfo.h>
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#include <asm/bootinfo.h>
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#include <asm/irq.h>
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#include <asm/irq.h>
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#include <asm/machdep.h>
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#include <asm/machdep.h>
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#include <asm/amigatypes.h>
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#include <asm/amigatypes.h>
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#include <asm/amigahw.h>
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#include <asm/amigahw.h>
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#ifdef CONFIG_BLK_DEV_INITRD
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#ifdef CONFIG_BLK_DEV_INITRD
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#include <linux/blk.h>
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#include <linux/blk.h>
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#include <asm/pgtable.h>
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#include <asm/pgtable.h>
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#endif
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#endif
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struct bootinfo boot_info = {0,};
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struct bootinfo boot_info = {0,};
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int bisize = sizeof boot_info;
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int bisize = sizeof boot_info;
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int m68k_is040or060 = 0;
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int m68k_is040or060 = 0;
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char m68k_debug_device[6] = "";
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char m68k_debug_device[6] = "";
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extern int end;
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extern int end;
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extern unsigned long availmem;
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extern unsigned long availmem;
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char saved_command_line[CL_SIZE];
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char saved_command_line[CL_SIZE];
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/* setup some dummy routines */
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/* setup some dummy routines */
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static void dummy_waitbut(void)
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static void dummy_waitbut(void)
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{
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{
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}
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}
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void (*mach_sched_init) (isrfunc);
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void (*mach_sched_init) (isrfunc);
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int (*mach_keyb_init) (void);
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int (*mach_keyb_init) (void);
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int (*mach_kbdrate) (struct kbd_repeat *) = NULL;
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int (*mach_kbdrate) (struct kbd_repeat *) = NULL;
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void (*mach_kbd_leds) (unsigned int) = NULL;
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void (*mach_kbd_leds) (unsigned int) = NULL;
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void (*mach_init_INTS) (void);
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void (*mach_init_INTS) (void);
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int (*mach_add_isr) (unsigned long, isrfunc, int, void *, char *);
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int (*mach_add_isr) (unsigned long, isrfunc, int, void *, char *);
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int (*mach_remove_isr) (unsigned long, isrfunc, void *);
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int (*mach_remove_isr) (unsigned long, isrfunc, void *);
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void (*mach_process_int) (int, struct pt_regs *) = NULL;
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void (*mach_process_int) (int, struct pt_regs *) = NULL;
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void (*mach_enable_irq) (unsigned) = NULL;
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void (*mach_enable_irq) (unsigned) = NULL;
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void (*mach_disable_irq) (unsigned) = NULL;
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void (*mach_disable_irq) (unsigned) = NULL;
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int (*mach_get_irq_list) (char *, int) = NULL;
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int (*mach_get_irq_list) (char *, int) = NULL;
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unsigned long (*mach_gettimeoffset) (void);
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unsigned long (*mach_gettimeoffset) (void);
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void (*mach_gettod) (int*, int*, int*, int*, int*, int*);
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void (*mach_gettod) (int*, int*, int*, int*, int*, int*);
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int (*mach_hwclk) (int, struct hwclk_time*) = NULL;
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int (*mach_hwclk) (int, struct hwclk_time*) = NULL;
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int (*mach_set_clock_mmss) (unsigned long) = NULL;
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int (*mach_set_clock_mmss) (unsigned long) = NULL;
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void (*mach_mksound)( unsigned int count, unsigned int ticks );
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void (*mach_mksound)( unsigned int count, unsigned int ticks );
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void (*mach_reset)( void );
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void (*mach_reset)( void );
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void (*waitbut)(void) = dummy_waitbut;
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void (*waitbut)(void) = dummy_waitbut;
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struct fb_info *(*mach_fb_init)(long *);
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struct fb_info *(*mach_fb_init)(long *);
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long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */
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long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */
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void (*mach_debug_init)(void);
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void (*mach_debug_init)(void);
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void (*mach_video_setup) (char *, int *);
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void (*mach_video_setup) (char *, int *);
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#ifdef CONFIG_BLK_DEV_FD
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#ifdef CONFIG_BLK_DEV_FD
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int (*mach_floppy_init) (void) = NULL;
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int (*mach_floppy_init) (void) = NULL;
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void (*mach_floppy_setup) (char *, int *) = NULL;
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void (*mach_floppy_setup) (char *, int *) = NULL;
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void (*mach_floppy_eject) (void) = NULL;
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void (*mach_floppy_eject) (void) = NULL;
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#endif
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#endif
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extern void config_amiga(void);
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extern void config_amiga(void);
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extern void config_atari(void);
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extern void config_atari(void);
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extern void config_mac(void);
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extern void config_mac(void);
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extern void register_console(void (*proc)(const char *));
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extern void register_console(void (*proc)(const char *));
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extern void ami_serial_print (const char *str);
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extern void ami_serial_print (const char *str);
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extern void ata_serial_print (const char *str);
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extern void ata_serial_print (const char *str);
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extern void (*kd_mksound)(unsigned int, unsigned int);
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extern void (*kd_mksound)(unsigned int, unsigned int);
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extern void amiga_get_model(char *model);
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extern void amiga_get_model(char *model);
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extern void atari_get_model(char *model);
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extern void atari_get_model(char *model);
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extern void mac_get_model(char *model);
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extern void mac_get_model(char *model);
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extern int amiga_get_hardware_list(char *buffer);
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extern int amiga_get_hardware_list(char *buffer);
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extern int atari_get_hardware_list(char *buffer);
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extern int atari_get_hardware_list(char *buffer);
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extern int mac_get_hardware_list(char *buffer);
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extern int mac_get_hardware_list(char *buffer);
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#define MASK_256K 0xfffc0000
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#define MASK_256K 0xfffc0000
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void setup_arch(char **cmdline_p,
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void setup_arch(char **cmdline_p,
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unsigned long * memory_start_p, unsigned long * memory_end_p)
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unsigned long * memory_start_p, unsigned long * memory_end_p)
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{
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{
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unsigned long memory_start, memory_end;
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unsigned long memory_start, memory_end;
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extern int _etext, _edata, _end;
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extern int _etext, _edata, _end;
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int i;
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int i;
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char *p, *q;
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char *p, *q;
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#ifdef CONFIG_AMIGA
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#ifdef CONFIG_AMIGA
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if (MACH_IS_AMIGA)
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if (MACH_IS_AMIGA)
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register_console (ami_serial_print);
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register_console (ami_serial_print);
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#endif
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#endif
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#ifdef CONFIG_ATARI
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#ifdef CONFIG_ATARI
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if (MACH_IS_ATARI)
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if (MACH_IS_ATARI)
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register_console (ata_serial_print);
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register_console (ata_serial_print);
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#endif
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#endif
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if (boot_info.cputype & CPU_68040)
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if (boot_info.cputype & CPU_68040)
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m68k_is040or060 = 4;
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m68k_is040or060 = 4;
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else if (boot_info.cputype & CPU_68060)
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else if (boot_info.cputype & CPU_68060)
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m68k_is040or060 = 6;
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m68k_is040or060 = 6;
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/* clear the fpu if we have one */
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/* clear the fpu if we have one */
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if (boot_info.cputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060)) {
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if (boot_info.cputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060)) {
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volatile int zero = 0;
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volatile int zero = 0;
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asm __volatile__ ("frestore %0" : : "m" (zero));
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asm __volatile__ ("frestore %0" : : "m" (zero));
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}
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}
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memory_start = availmem;
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memory_start = availmem;
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memory_end = 0;
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memory_end = 0;
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for (i = 0; i < boot_info.num_memory; i++)
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for (i = 0; i < boot_info.num_memory; i++)
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memory_end += boot_info.memory[i].size & MASK_256K;
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memory_end += boot_info.memory[i].size & MASK_256K;
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init_task.mm->start_code = 0;
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init_task.mm->start_code = 0;
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init_task.mm->end_code = (unsigned long) &_etext;
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init_task.mm->end_code = (unsigned long) &_etext;
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init_task.mm->end_data = (unsigned long) &_edata;
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init_task.mm->end_data = (unsigned long) &_edata;
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init_task.mm->brk = (unsigned long) &_end;
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init_task.mm->brk = (unsigned long) &_end;
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*cmdline_p = boot_info.command_line;
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*cmdline_p = boot_info.command_line;
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memcpy(saved_command_line, *cmdline_p, CL_SIZE);
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memcpy(saved_command_line, *cmdline_p, CL_SIZE);
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/* Parse the command line for arch-specific options.
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/* Parse the command line for arch-specific options.
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* For the m68k, this is currently only "debug=xxx" to enable printing
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* For the m68k, this is currently only "debug=xxx" to enable printing
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* certain kernel messages to some machine-specific device.
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* certain kernel messages to some machine-specific device.
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*/
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*/
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for( p = *cmdline_p; p && *p; ) {
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for( p = *cmdline_p; p && *p; ) {
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i = 0;
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i = 0;
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if (!strncmp( p, "debug=", 6 )) {
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if (!strncmp( p, "debug=", 6 )) {
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strncpy( m68k_debug_device, p+6, sizeof(m68k_debug_device)-1 );
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strncpy( m68k_debug_device, p+6, sizeof(m68k_debug_device)-1 );
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m68k_debug_device[sizeof(m68k_debug_device)-1] = 0;
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m68k_debug_device[sizeof(m68k_debug_device)-1] = 0;
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if ((q = strchr( m68k_debug_device, ' ' ))) *q = 0;
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if ((q = strchr( m68k_debug_device, ' ' ))) *q = 0;
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i = 1;
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i = 1;
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}
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}
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if (i) {
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if (i) {
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/* option processed, delete it */
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/* option processed, delete it */
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if ((q = strchr( p, ' ' )))
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if ((q = strchr( p, ' ' )))
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strcpy( p, q+1 );
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strcpy( p, q+1 );
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else
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else
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*p = 0;
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*p = 0;
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} else {
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} else {
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if ((p = strchr( p, ' ' ))) ++p;
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if ((p = strchr( p, ' ' ))) ++p;
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}
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}
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}
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}
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*memory_start_p = memory_start;
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*memory_start_p = memory_start;
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*memory_end_p = memory_end;
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*memory_end_p = memory_end;
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switch (boot_info.machtype) {
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switch (boot_info.machtype) {
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#ifdef CONFIG_AMIGA
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#ifdef CONFIG_AMIGA
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case MACH_AMIGA:
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case MACH_AMIGA:
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config_amiga();
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config_amiga();
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break;
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break;
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#endif
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#endif
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#ifdef CONFIG_ATARI
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#ifdef CONFIG_ATARI
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case MACH_ATARI:
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case MACH_ATARI:
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config_atari();
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config_atari();
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break;
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break;
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#endif
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#endif
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#ifdef CONFIG_MAC
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#ifdef CONFIG_MAC
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case MACH_MAC:
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case MACH_MAC:
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config_mac();
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config_mac();
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break;
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break;
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#endif
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#endif
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default:
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default:
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panic ("No configuration setup");
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panic ("No configuration setup");
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}
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}
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#ifdef CONFIG_BLK_DEV_INITRD
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#ifdef CONFIG_BLK_DEV_INITRD
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if (boot_info.ramdisk_size) {
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if (boot_info.ramdisk_size) {
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initrd_start = PTOV (boot_info.ramdisk_addr);
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initrd_start = PTOV (boot_info.ramdisk_addr);
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initrd_end = initrd_start + boot_info.ramdisk_size * 1024;
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initrd_end = initrd_start + boot_info.ramdisk_size * 1024;
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}
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}
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#endif
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#endif
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}
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}
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int setkeycode(unsigned int scancode, unsigned int keycode)
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int setkeycode(unsigned int scancode, unsigned int keycode)
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{
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{
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return -EOPNOTSUPP;
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return -EOPNOTSUPP;
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}
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}
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int getkeycode(unsigned int scancode)
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int getkeycode(unsigned int scancode)
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{
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{
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return -EOPNOTSUPP;
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return -EOPNOTSUPP;
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}
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}
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int get_cpuinfo(char * buffer)
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int get_cpuinfo(char * buffer)
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{
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{
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char *cpu, *mmu, *fpu;
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char *cpu, *mmu, *fpu;
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u_long clockfreq, clockfactor;
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u_long clockfreq, clockfactor;
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#define CLOCK_FACTOR_68020 (8046) /* 3107016 loops/s @ 25 MHz (Sun-3) */
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#define CLOCK_FACTOR_68020 (8046) /* 3107016 loops/s @ 25 MHz (Sun-3) */
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#define CLOCK_FACTOR_68030 (8010) /* 3994575 loops/s @ 32 MHz */
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#define CLOCK_FACTOR_68030 (8010) /* 3994575 loops/s @ 32 MHz */
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#define CLOCK_FACTOR_68040 (3010) /* 8305552 loops/s @ 25 MHz */
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#define CLOCK_FACTOR_68040 (3010) /* 8305552 loops/s @ 25 MHz */
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#define CLOCK_FACTOR_68060 (998) /* 50081241 loops/s @ 50 MHz */
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#define CLOCK_FACTOR_68060 (998) /* 50081241 loops/s @ 50 MHz */
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if (boot_info.cputype & CPU_68020) {
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if (boot_info.cputype & CPU_68020) {
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cpu = "68020";
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cpu = "68020";
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mmu = "68851";
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mmu = "68851";
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clockfactor = CLOCK_FACTOR_68020;
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clockfactor = CLOCK_FACTOR_68020;
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} else if (boot_info.cputype & CPU_68030) {
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} else if (boot_info.cputype & CPU_68030) {
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cpu = mmu = "68030";
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cpu = mmu = "68030";
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clockfactor = CLOCK_FACTOR_68030;
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clockfactor = CLOCK_FACTOR_68030;
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} else if (boot_info.cputype & CPU_68040) {
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} else if (boot_info.cputype & CPU_68040) {
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cpu = mmu = "68040";
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cpu = mmu = "68040";
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clockfactor = CLOCK_FACTOR_68040;
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clockfactor = CLOCK_FACTOR_68040;
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} else if (boot_info.cputype & CPU_68060) {
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} else if (boot_info.cputype & CPU_68060) {
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cpu = mmu = "68060";
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cpu = mmu = "68060";
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clockfactor = CLOCK_FACTOR_68060;
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clockfactor = CLOCK_FACTOR_68060;
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} else {
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} else {
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cpu = mmu = "680x0";
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cpu = mmu = "680x0";
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clockfactor = 0;
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clockfactor = 0;
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}
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}
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if (boot_info.cputype & FPU_68881)
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if (boot_info.cputype & FPU_68881)
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fpu = "68881";
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fpu = "68881";
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else if (boot_info.cputype & FPU_68882)
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else if (boot_info.cputype & FPU_68882)
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fpu = "68882";
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fpu = "68882";
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else if (boot_info.cputype & FPU_68040)
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else if (boot_info.cputype & FPU_68040)
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fpu = "68040";
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fpu = "68040";
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else if (boot_info.cputype & FPU_68060)
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else if (boot_info.cputype & FPU_68060)
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fpu = "68060";
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fpu = "68060";
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else
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else
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fpu = "none";
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fpu = "none";
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clockfreq = loops_per_sec/1000*clockfactor;
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clockfreq = loops_per_sec/1000*clockfactor;
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return(sprintf(buffer, "CPU:\t\t%s\n"
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return(sprintf(buffer, "CPU:\t\t%s\n"
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"MMU:\t\t%s\n"
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"MMU:\t\t%s\n"
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"FPU:\t\t%s\n"
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"FPU:\t\t%s\n"
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"Clockspeed:\t%lu.%1luMHz\n"
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"Clockspeed:\t%lu.%1luMHz\n"
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"BogoMips:\t%lu.%02lu\n",
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"BogoMips:\t%lu.%02lu\n",
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cpu, mmu, fpu, (clockfreq+50000)/1000000,
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cpu, mmu, fpu, (clockfreq+50000)/1000000,
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((clockfreq+50000)/100000)%10, loops_per_sec/500000,
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((clockfreq+50000)/100000)%10, loops_per_sec/500000,
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(loops_per_sec/5000)%100));
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(loops_per_sec/5000)%100));
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}
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}
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|
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int get_hardware_list(char *buffer)
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int get_hardware_list(char *buffer)
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{
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{
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int len = 0;
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int len = 0;
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char model[80];
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char model[80];
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u_long mem;
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u_long mem;
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int i;
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int i;
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|
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switch (boot_info.machtype) {
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switch (boot_info.machtype) {
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#ifdef CONFIG_AMIGA
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#ifdef CONFIG_AMIGA
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case MACH_AMIGA:
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case MACH_AMIGA:
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amiga_get_model(model);
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amiga_get_model(model);
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break;
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break;
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#endif
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#endif
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#ifdef CONFIG_ATARI
|
#ifdef CONFIG_ATARI
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case MACH_ATARI:
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case MACH_ATARI:
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atari_get_model(model);
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atari_get_model(model);
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break;
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break;
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#endif
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#endif
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#ifdef CONFIG_MAC
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#ifdef CONFIG_MAC
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case MACH_MAC:
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case MACH_MAC:
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mac_get_model(model);
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mac_get_model(model);
|
break;
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break;
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#endif
|
#endif
|
default:
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default:
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strcpy(model, "Unknown m68k");
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strcpy(model, "Unknown m68k");
|
} /* boot_info.machtype */
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} /* boot_info.machtype */
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|
|
len += sprintf(buffer+len, "Model:\t\t%s\n", model);
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len += sprintf(buffer+len, "Model:\t\t%s\n", model);
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len += get_cpuinfo(buffer+len);
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len += get_cpuinfo(buffer+len);
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for (mem = 0, i = 0; i < boot_info.num_memory; i++)
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for (mem = 0, i = 0; i < boot_info.num_memory; i++)
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mem += boot_info.memory[i].size;
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mem += boot_info.memory[i].size;
|
len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10);
|
len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10);
|
|
|
switch (boot_info.machtype) {
|
switch (boot_info.machtype) {
|
#ifdef CONFIG_AMIGA
|
#ifdef CONFIG_AMIGA
|
case MACH_AMIGA:
|
case MACH_AMIGA:
|
len += amiga_get_hardware_list(buffer+len);
|
len += amiga_get_hardware_list(buffer+len);
|
break;
|
break;
|
#endif
|
#endif
|
#ifdef CONFIG_ATARI
|
#ifdef CONFIG_ATARI
|
case MACH_ATARI:
|
case MACH_ATARI:
|
len += atari_get_hardware_list(buffer+len);
|
len += atari_get_hardware_list(buffer+len);
|
break;
|
break;
|
#endif
|
#endif
|
#ifdef CONFIG_MAC
|
#ifdef CONFIG_MAC
|
case MACH_MAC:
|
case MACH_MAC:
|
break;
|
break;
|
#endif
|
#endif
|
} /* boot_info.machtype */
|
} /* boot_info.machtype */
|
|
|
return(len);
|
return(len);
|
}
|
}
|
|
|
#ifdef CONFIG_BLK_DEV_FD
|
#ifdef CONFIG_BLK_DEV_FD
|
int floppy_init(void)
|
int floppy_init(void)
|
{
|
{
|
if (mach_floppy_init)
|
if (mach_floppy_init)
|
return mach_floppy_init();
|
return mach_floppy_init();
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
void floppy_setup(char *str, int *ints)
|
void floppy_setup(char *str, int *ints)
|
{
|
{
|
if (mach_floppy_setup)
|
if (mach_floppy_setup)
|
mach_floppy_setup (str, ints);
|
mach_floppy_setup (str, ints);
|
}
|
}
|
|
|
void floppy_eject(void)
|
void floppy_eject(void)
|
{
|
{
|
if (mach_floppy_eject)
|
if (mach_floppy_eject)
|
mach_floppy_eject();
|
mach_floppy_eject();
|
}
|
}
|
#endif
|
#endif
|
|
|
unsigned long arch_kbd_init(void)
|
unsigned long arch_kbd_init(void)
|
{
|
{
|
return mach_keyb_init();
|
return mach_keyb_init();
|
}
|
}
|
|
|
void arch_gettod(int *year, int *mon, int *day, int *hour,
|
void arch_gettod(int *year, int *mon, int *day, int *hour,
|
int *min, int *sec)
|
int *min, int *sec)
|
{
|
{
|
if (mach_gettod)
|
if (mach_gettod)
|
mach_gettod(year, mon, day, hour, min, sec);
|
mach_gettod(year, mon, day, hour, min, sec);
|
else
|
else
|
*year = *mon = *day = *hour = *min = *sec = 0;
|
*year = *mon = *day = *hour = *min = *sec = 0;
|
}
|
}
|
|
|
void video_setup (char *options, int *ints)
|
void video_setup (char *options, int *ints)
|
{
|
{
|
if (mach_video_setup)
|
if (mach_video_setup)
|
mach_video_setup (options, ints);
|
mach_video_setup (options, ints);
|
}
|
}
|
|
|
