| /* |
| * linux/arch/m68knommu/kernel/setup.c |
| * |
| * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com) |
| * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org> |
| * 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/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/fb.h> |
| #include <linux/module.h> |
| #include <linux/mm.h> |
| #include <linux/console.h> |
| #include <linux/errno.h> |
| #include <linux/string.h> |
| #include <linux/bootmem.h> |
| #include <linux/seq_file.h> |
| #include <linux/init.h> |
| |
| #include <asm/setup.h> |
| #include <asm/irq.h> |
| #include <asm/machdep.h> |
| #include <asm/pgtable.h> |
| |
| unsigned long memory_start; |
| unsigned long memory_end; |
| |
| EXPORT_SYMBOL(memory_start); |
| EXPORT_SYMBOL(memory_end); |
| |
| char __initdata command_line[COMMAND_LINE_SIZE]; |
| |
| /* machine dependent timer functions */ |
| void (*mach_gettod)(int*, int*, int*, int*, int*, int*); |
| int (*mach_set_clock_mmss)(unsigned long); |
| |
| /* machine dependent reboot functions */ |
| void (*mach_reset)(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_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 |
| |
| extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; |
| extern int _ramstart, _ramend; |
| |
| void __init setup_arch(char **cmdline_p) |
| { |
| int bootmap_size; |
| |
| memory_start = PAGE_ALIGN(_ramstart); |
| memory_end = _ramend; |
| |
| 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)); |
| |
| #if defined(CONFIG_BOOTPARAM) |
| strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line)); |
| command_line[sizeof(command_line) - 1] = 0; |
| #endif |
| |
| 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 |
| #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 |
| #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)\n"); |
| #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 "MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ", |
| (int) &_ebss, (int) memory_start, |
| (int) memory_start, (int) memory_end); |
| #endif |
| |
| /* Keep a copy of command line */ |
| *cmdline_p = &command_line[0]; |
| memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); |
| boot_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, BOOTMEM_DEFAULT); |
| |
| /* |
| * 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) |
| { |
| } |
| |
| const struct seq_operations cpuinfo_op = { |
| .start = c_start, |
| .next = c_next, |
| .stop = c_stop, |
| .show = show_cpuinfo, |
| }; |
| |
