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Diffstat (limited to 'arch/m68knommu/kernel/setup.c')
| -rw-r--r-- | arch/m68knommu/kernel/setup.c | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c deleted file mode 100644 index 16b2de7f510..00000000000 --- a/arch/m68knommu/kernel/setup.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - * 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 <linux/initrd.h> -#include <linux/root_dev.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_M68328 -#define CPU_NAME "MC68328" -#endif -#ifdef CONFIG_M68EZ328 -#define CPU_NAME "MC68EZ328" -#endif -#ifdef CONFIG_M68VZ328 -#define CPU_NAME "MC68VZ328" -#endif -#ifdef CONFIG_M68360 -#define CPU_NAME "MC68360" -#endif -#ifndef CPU_NAME -#define CPU_NAME "UNKNOWN" -#endif - -/* - * Different cores have different instruction execution timings. - * The old/traditional 68000 cores are basically all the same, at 16. - * The ColdFire cores vary a little, their values are defined in their - * headers. We default to the standard 68000 value here. - */ -#ifndef CPU_INSTR_PER_JIFFY -#define CPU_INSTR_PER_JIFFY 16 -#endif - -extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; -extern int _ramstart, _ramend; - -#if defined(CONFIG_UBOOT) -/* - * parse_uboot_commandline - * - * Copies u-boot commandline arguments and store them in the proper linux - * variables. - * - * Assumes: - * _init_sp global contains the address in the stack pointer when the - * kernel starts (see head.S::_start) - * - * U-Boot calling convention: - * (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); - * - * _init_sp can be parsed as such - * - * _init_sp+00 = u-boot cmd after jsr into kernel (skip) - * _init_sp+04 = &kernel board_info (residual data) - * _init_sp+08 = &initrd_start - * _init_sp+12 = &initrd_end - * _init_sp+16 = &cmd_start - * _init_sp+20 = &cmd_end - * - * This also assumes that the memory locations pointed to are still - * unmodified. U-boot places them near the end of external SDRAM. - * - * Argument(s): - * commandp = the linux commandline arg container to fill. - * size = the sizeof commandp. - * - * Returns: - */ -void parse_uboot_commandline(char *commandp, int size) -{ - extern unsigned long _init_sp; - unsigned long *sp; - unsigned long uboot_kbd; - unsigned long uboot_initrd_start, uboot_initrd_end; - unsigned long uboot_cmd_start, uboot_cmd_end; - - - sp = (unsigned long *)_init_sp; - uboot_kbd = sp[1]; - uboot_initrd_start = sp[2]; - uboot_initrd_end = sp[3]; - uboot_cmd_start = sp[4]; - uboot_cmd_end = sp[5]; - - if (uboot_cmd_start && uboot_cmd_end) - strncpy(commandp, (const char *)uboot_cmd_start, size); -#if defined(CONFIG_BLK_DEV_INITRD) - if (uboot_initrd_start && uboot_initrd_end && - (uboot_initrd_end > uboot_initrd_start)) { - initrd_start = uboot_initrd_start; - initrd_end = uboot_initrd_end; - ROOT_DEV = Root_RAM0; - printk(KERN_INFO "initrd at 0x%lx:0x%lx\n", - initrd_start, initrd_end); - } -#endif /* if defined(CONFIG_BLK_DEV_INITRD) */ -} -#endif /* #if defined(CONFIG_UBOOT) */ - -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 /* CONFIG_BOOTPARAM */ - -#if defined(CONFIG_UBOOT) - /* CONFIG_UBOOT and CONFIG_BOOTPARAM defined, concatenate cmdline */ - #if defined(CONFIG_BOOTPARAM) - /* Add the whitespace separator */ - command_line[strlen(CONFIG_BOOTPARAM_STRING)] = ' '; - /* Parse uboot command line into the rest of the buffer */ - parse_uboot_commandline( - &command_line[(strlen(CONFIG_BOOTPARAM_STRING)+1)], - (sizeof(command_line) - - (strlen(CONFIG_BOOTPARAM_STRING)+1))); - /* Only CONFIG_UBOOT defined, create cmdline */ - #else - parse_uboot_commandline(&command_line[0], sizeof(command_line)); - #endif /* CONFIG_BOOTPARAM */ - command_line[sizeof(command_line) - 1] = 0; -#endif /* CONFIG_UBOOT */ - - printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU_NAME "\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 - - pr_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); - pr_debug("MEMORY -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x\n ", - (int) &_ebss, (int) memory_start, - (int) memory_start, (int) memory_end); - - /* 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; - -#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); - -#if defined(CONFIG_UBOOT) && defined(CONFIG_BLK_DEV_INITRD) - if ((initrd_start > 0) && (initrd_start < initrd_end) && - (initrd_end < memory_end)) - reserve_bootmem(initrd_start, initrd_end - initrd_start, - BOOTMEM_DEFAULT); -#endif /* if defined(CONFIG_BLK_DEV_INITRD) */ - - /* - * 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_NAME; - mmu = "none"; - fpu = "none"; - clockfreq = (loops_per_jiffy * HZ) * CPU_INSTR_PER_JIFFY; - - 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, -}; - |