/* * linux/arch/m68knommu/kernel/setup.c * * Copyright (C) 1999-2004 Greg Ungerer (gerg@snapgear.com) * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@lineo.ca> * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> * Copyright (C) 1995 Hamish Macdonald * Copyright (C) 2000 Lineo Inc. (www.lineo.com) * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> * * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca> */ /* * 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/module.h> #include <linux/console.h> #include <linux/genhd.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/major.h> #include <linux/bootmem.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/init.h> #include <asm/setup.h> #include <asm/irq.h> #include <asm/machdep.h> #ifdef CONFIG_BLK_DEV_INITRD #include <asm/pgtable.h> #endif unsigned long memory_start; unsigned long memory_end; EXPORT_SYMBOL(memory_start); EXPORT_SYMBOL(memory_end); char command_line[COMMAND_LINE_SIZE]; /* setup some dummy routines */ static void dummy_waitbut(void) { } void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)); void (*mach_tick)( void ); /* machine dependent keyboard functions */ int (*mach_keyb_init) (void); int (*mach_kbdrate) (struct kbd_repeat *); void (*mach_kbd_leds) (unsigned int); /* machine dependent irq functions */ void (*mach_init_IRQ) (void); irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *); int (*mach_get_irq_list) (struct seq_file *, void *); void (*mach_process_int) (int irq, struct pt_regs *fp); void (*mach_trap_init) (void); /* 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*); int (*mach_set_clock_mmss) (unsigned long); void (*mach_mksound)( unsigned int count, unsigned int ticks ); void (*mach_reset)( void ); void (*waitbut)(void) = dummy_waitbut; void (*mach_debug_init)(void); void (*mach_halt)( void ); void (*mach_power_off)( void ); #ifdef CONFIG_M68000 #define CPU "MC68000" #endif #ifdef CONFIG_M68328 #define CPU "MC68328" #endif #ifdef CONFIG_M68EZ328 #define CPU "MC68EZ328" #endif #ifdef CONFIG_M68VZ328 #define CPU "MC68VZ328" #endif #ifdef CONFIG_M68332 #define CPU "MC68332" #endif #ifdef CONFIG_M68360 #define CPU "MC68360" #endif #if defined(CONFIG_M5206) #define CPU "COLDFIRE(m5206)" #endif #if defined(CONFIG_M5206e) #define CPU "COLDFIRE(m5206e)" #endif #if defined(CONFIG_M520x) #define CPU "COLDFIRE(m520x)" #endif #if defined(CONFIG_M523x) #define CPU "COLDFIRE(m523x)" #endif #if defined(CONFIG_M5249) #define CPU "COLDFIRE(m5249)" #endif #if defined(CONFIG_M5271) #define CPU "COLDFIRE(m5270/5271)" #endif #if defined(CONFIG_M5272) #define CPU "COLDFIRE(m5272)" #endif #if defined(CONFIG_M5275) #define CPU "COLDFIRE(m5274/5275)" #endif #if defined(CONFIG_M528x) #define CPU "COLDFIRE(m5280/5282)" #endif #if defined(CONFIG_M5307) #define CPU "COLDFIRE(m5307)" #endif #if defined(CONFIG_M532x) #define CPU "COLDFIRE(m532x)" #endif #if defined(CONFIG_M5407) #define CPU "COLDFIRE(m5407)" #endif #ifndef CPU #define CPU "UNKNOWN" #endif /* (es) */ /* note: why is this defined here? the must be a better place to put this */ #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )) #define CAT_ROMARRAY #endif /* (/es) */ extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; extern int _ramstart, _ramend; void setup_arch(char **cmdline_p) { int bootmap_size; #if defined(CAT_ROMARRAY) && defined(DEBUG) extern int __data_rom_start; extern int __data_start; int *romarray = (int *)((int) &__data_rom_start + (int)&_edata - (int)&__data_start); #endif memory_start = PAGE_ALIGN(_ramstart); memory_end = _ramend; /* by now the stack is part of the init task */ init_mm.start_code = (unsigned long) &_stext; init_mm.end_code = (unsigned long) &_etext; init_mm.end_data = (unsigned long) &_edata; init_mm.brk = (unsigned long) 0; config_BSP(&command_line[0], sizeof(command_line)); printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); #ifdef CONFIG_UCDIMM printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); #endif #ifdef CONFIG_M68VZ328 printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n"); #endif #ifdef CONFIG_COLDFIRE printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n"); #ifdef CONFIG_M5307 printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n"); #endif #ifdef CONFIG_ELITE printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n"); #endif #ifdef CONFIG_TELOS printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n"); #endif #endif printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ) printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n"); #endif #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 ) printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n"); #endif #ifdef CONFIG_M68EZ328ADS printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); #endif #ifdef CONFIG_ALMA_ANS printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); #endif #if defined (CONFIG_M68360) printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n"); printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n"); #endif #ifdef CONFIG_DRAGEN2 printk(KERN_INFO "DragonEngine II board support by Georges Menie\n"); #endif #ifdef CONFIG_M5235EVB printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)"); #endif #ifdef DEBUG printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x " "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext, (int) &_sdata, (int) &_edata, (int) &_sbss, (int) &_ebss); printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x " "STACK=0x%06x-0x%06x\n", #ifdef CAT_ROMARRAY (int) romarray, ((int) romarray) + romarray[2], #else (int) &_ebss, (int) memory_start, #endif (int) memory_start, (int) memory_end, (int) memory_end, (int) _ramend); #endif /* Keep a copy of command line */ *cmdline_p = &command_line[0]; memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); saved_command_line[COMMAND_LINE_SIZE-1] = 0; #ifdef DEBUG if (strlen(*cmdline_p)) printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); #endif #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) conswitchp = &dummy_con; #endif /* * Give all the memory to the bootmap allocator, tell it to put the * boot mem_map at the start of memory. */ bootmap_size = init_bootmem_node( NODE_DATA(0), memory_start >> PAGE_SHIFT, /* map goes here */ PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ memory_end >> PAGE_SHIFT); /* * Free the usable memory, we have to make sure we do not free * the bootmem bitmap so we then reserve it after freeing it :-) */ free_bootmem(memory_start, memory_end - memory_start); reserve_bootmem(memory_start, bootmap_size); /* * Get kmalloc into gear. */ paging_init(); } /* * Get CPU information for use by the procfs. */ static int show_cpuinfo(struct seq_file *m, void *v) { char *cpu, *mmu, *fpu; u_long clockfreq; cpu = CPU; mmu = "none"; fpu = "none"; #ifdef CONFIG_COLDFIRE clockfreq = (loops_per_jiffy*HZ)*3; #else clockfreq = (loops_per_jiffy*HZ)*16; #endif seq_printf(m, "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_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, (loops_per_jiffy*HZ)); return 0; } static void *c_start(struct seq_file *m, loff_t *pos) { return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; } static void *c_next(struct seq_file *m, void *v, loff_t *pos) { ++*pos; return c_start(m, pos); } static void c_stop(struct seq_file *m, void *v) { } struct seq_operations cpuinfo_op = { .start = c_start, .next = c_next, .stop = c_stop, .show = show_cpuinfo, }; void arch_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec) { if (mach_gettod) mach_gettod(year, mon, day, hour, min, sec); else *year = *mon = *day = *hour = *min = *sec = 0; }