11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * linux/arch/m68knommu/kernel/setup.c 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 42f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerer * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com) 52f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerer * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1995 Hamish Macdonald 9e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer * Copyright (C) 2000 Lineo Inc. (www.lineo.com) 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file handles the architecture-dependent parts of system setup 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/sched.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 24e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer#include <linux/module.h> 2527ac792ca0b0a1e7e65f20342260650516c95864Andrea Righi#include <linux/mm.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/console.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bootmem.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/seq_file.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 32588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#include <linux/initrd.h> 33588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#include <linux/root_dev.h> 349517746131f62294ddd922bcd288415be5104c23Greg Ungerer#include <linux/rtc.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/setup.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/irq.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/machdep.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/pgtable.h> 40c06e9bb427bc8ae74b43a99888da077c20747165Greg Ungerer#include <asm/sections.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long memory_start; 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunsigned long memory_end; 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45e6070a1712e69779f322239056fb5f1e1db802ceGreg UngererEXPORT_SYMBOL(memory_start); 46e6070a1712e69779f322239056fb5f1e1db802ceGreg UngererEXPORT_SYMBOL(memory_end); 47e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer 48f2a09e19cae45b7dfa4b72d70182b5bc9afa2ddbAlon Bar-Levchar __initdata command_line[COMMAND_LINE_SIZE]; 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* machine dependent timer functions */ 5135aefb2645d1ae7576699b2d7b66d6c9503113fcGreg Ungerervoid (*mach_sched_init)(irq_handler_t handler) __initdata = NULL; 522f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungererint (*mach_set_clock_mmss)(unsigned long); 539517746131f62294ddd922bcd288415be5104c23Greg Ungererint (*mach_hwclk) (int, struct rtc_time*); 542f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerer 552f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerer/* machine dependent reboot functions */ 562f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerervoid (*mach_reset)(void); 572f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerervoid (*mach_halt)(void); 582f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerervoid (*mach_power_off)(void); 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601a62fe8d1b26223abba31e9a81005d550822a1f8Luis Alves#ifdef CONFIG_M68000 615198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#if defined(CONFIG_M68328) 627fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#define CPU_NAME "MC68328" 635198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#elif defined(CONFIG_M68EZ328) 647fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#define CPU_NAME "MC68EZ328" 655198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#elif defined(CONFIG_M68VZ328) 667fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#define CPU_NAME "MC68VZ328" 675198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#else 685198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#define CPU_NAME "MC68000" 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 705198f847f7229a7f3a44d774d1e662ab6c689dc0Daniel Palmer#endif /* CONFIG_M68000 */ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_M68360 727fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#define CPU_NAME "MC68360" 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 747fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#ifndef CPU_NAME 757fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer#define CPU_NAME "UNKNOWN" 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 78733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer/* 79733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer * Different cores have different instruction execution timings. 80733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer * The old/traditional 68000 cores are basically all the same, at 16. 81733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer * The ColdFire cores vary a little, their values are defined in their 82733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer * headers. We default to the standard 68000 value here. 83733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer */ 84733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer#ifndef CPU_INSTR_PER_JIFFY 85733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer#define CPU_INSTR_PER_JIFFY 16 86733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer#endif 87733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer 88588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#if defined(CONFIG_UBOOT) 89588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen/* 90588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * parse_uboot_commandline 91588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 92588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * Copies u-boot commandline arguments and store them in the proper linux 93588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * variables. 94588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 95588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * Assumes: 96588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp global contains the address in the stack pointer when the 97588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * kernel starts (see head.S::_start) 98588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 99588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * U-Boot calling convention: 100588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); 101588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 102588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp can be parsed as such 103588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 104588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+00 = u-boot cmd after jsr into kernel (skip) 105588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+04 = &kernel board_info (residual data) 106588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+08 = &initrd_start 107588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+12 = &initrd_end 108588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+16 = &cmd_start 109588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * _init_sp+20 = &cmd_end 110588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 111588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * This also assumes that the memory locations pointed to are still 112588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * unmodified. U-boot places them near the end of external SDRAM. 113588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 114588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * Argument(s): 115588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * commandp = the linux commandline arg container to fill. 116588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * size = the sizeof commandp. 117588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * 118588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen * Returns: 119588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen */ 120df592eb5dc07c5df26a16318ed4bf2f96fa38a4dGeert Uytterhoevenstatic void __init parse_uboot_commandline(char *commandp, int size) 121588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen{ 122588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen extern unsigned long _init_sp; 123588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen unsigned long *sp; 124588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen unsigned long uboot_kbd; 125588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen unsigned long uboot_initrd_start, uboot_initrd_end; 126588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen unsigned long uboot_cmd_start, uboot_cmd_end; 127588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 128588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 129588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen sp = (unsigned long *)_init_sp; 130588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen uboot_kbd = sp[1]; 131588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen uboot_initrd_start = sp[2]; 132588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen uboot_initrd_end = sp[3]; 133588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen uboot_cmd_start = sp[4]; 134588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen uboot_cmd_end = sp[5]; 135588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 136588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen if (uboot_cmd_start && uboot_cmd_end) 137588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen strncpy(commandp, (const char *)uboot_cmd_start, size); 138588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#if defined(CONFIG_BLK_DEV_INITRD) 139588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen if (uboot_initrd_start && uboot_initrd_end && 140588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen (uboot_initrd_end > uboot_initrd_start)) { 141588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen initrd_start = uboot_initrd_start; 142588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen initrd_end = uboot_initrd_end; 143588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen ROOT_DEV = Root_RAM0; 144588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen printk(KERN_INFO "initrd at 0x%lx:0x%lx\n", 145588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen initrd_start, initrd_end); 146588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen } 147588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#endif /* if defined(CONFIG_BLK_DEV_INITRD) */ 148588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen} 149588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#endif /* #if defined(CONFIG_UBOOT) */ 150588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 1511d2842e05a63cbca10a301632598a5193ad8980bGreg Ungerervoid __init setup_arch(char **cmdline_p) 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bootmap_size; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_start = PAGE_ALIGN(_ramstart); 1562f75d1098c51734ce47d0afd44ecdc2ae9713031Greg Ungerer memory_end = _ramend; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_mm.start_code = (unsigned long) &_stext; 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_mm.end_code = (unsigned long) &_etext; 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds init_mm.end_data = (unsigned long) &_edata; 161e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer init_mm.brk = (unsigned long) 0; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds config_BSP(&command_line[0], sizeof(command_line)); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 165bc72450aebe73587f80bbae8fc0b62c3d81b85feGreg Ungerer#if defined(CONFIG_BOOTPARAM) 166bc72450aebe73587f80bbae8fc0b62c3d81b85feGreg Ungerer strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line)); 167bc72450aebe73587f80bbae8fc0b62c3d81b85feGreg Ungerer command_line[sizeof(command_line) - 1] = 0; 168588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#endif /* CONFIG_BOOTPARAM */ 169588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 170588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#if defined(CONFIG_UBOOT) 171588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen /* CONFIG_UBOOT and CONFIG_BOOTPARAM defined, concatenate cmdline */ 172588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen #if defined(CONFIG_BOOTPARAM) 173588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen /* Add the whitespace separator */ 174588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen command_line[strlen(CONFIG_BOOTPARAM_STRING)] = ' '; 175588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen /* Parse uboot command line into the rest of the buffer */ 176588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen parse_uboot_commandline( 177588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen &command_line[(strlen(CONFIG_BOOTPARAM_STRING)+1)], 178588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen (sizeof(command_line) - 179588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen (strlen(CONFIG_BOOTPARAM_STRING)+1))); 180588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen /* Only CONFIG_UBOOT defined, create cmdline */ 181588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen #else 182588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen parse_uboot_commandline(&command_line[0], sizeof(command_line)); 183588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen #endif /* CONFIG_BOOTPARAM */ 184588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen command_line[sizeof(command_line) - 1] = 0; 185588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#endif /* CONFIG_UBOOT */ 186bc72450aebe73587f80bbae8fc0b62c3d81b85feGreg Ungerer 1877fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU_NAME "\n"); 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_UCDIMM 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_M68VZ328 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n"); 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_COLDFIRE 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n"); 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_M5307 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n"); 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_ELITE 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n"); 202e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer#endif 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ) 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n"); 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 ) 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n"); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined (CONFIG_M68360) 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n"); 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n"); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_DRAGEN2 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "DragonEngine II board support by Georges Menie\n"); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 219e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer#ifdef CONFIG_M5235EVB 220008150f53729d188a5c14b1a86725972e15fe5f4Sebastian Siewior printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n"); 221e6070a1712e69779f322239056fb5f1e1db802ceGreg Ungerer#endif 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22354503b1da74afdb38c730ad6413dbe54ce119134Geert Uytterhoeven pr_debug("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n", 224dc0610518f9f01814783f14ba476b41c6ffb27cbGeert Uytterhoeven _stext, _etext, _sdata, _edata, __bss_start, __bss_stop); 22554503b1da74afdb38c730ad6413dbe54ce119134Geert Uytterhoeven pr_debug("MEMORY -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx\n ", 226dc0610518f9f01814783f14ba476b41c6ffb27cbGeert Uytterhoeven __bss_stop, memory_start, memory_start, memory_end); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Keep a copy of command line */ 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *cmdline_p = &command_line[0]; 230f2a09e19cae45b7dfa4b72d70182b5bc9afa2ddbAlon Bar-Lev memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); 231f2a09e19cae45b7dfa4b72d70182b5bc9afa2ddbAlon Bar-Lev boot_command_line[COMMAND_LINE_SIZE-1] = 0; 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds conswitchp = &dummy_con; 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Give all the memory to the bootmap allocator, tell it to put the 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * boot mem_map at the start of memory. 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bootmap_size = init_bootmem_node( 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds NODE_DATA(0), 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_start >> PAGE_SHIFT, /* map goes here */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memory_end >> PAGE_SHIFT); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Free the usable memory, we have to make sure we do not free 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the bootmem bitmap so we then reserve it after freeing it :-) 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_bootmem(memory_start, memory_end - memory_start); 25172a7fe3967dbf86cb34e24fbf1d957fe24d2f246Bernhard Walle reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 253588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#if defined(CONFIG_UBOOT) && defined(CONFIG_BLK_DEV_INITRD) 254588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen if ((initrd_start > 0) && (initrd_start < initrd_end) && 255588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen (initrd_end < memory_end)) 256588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen reserve_bootmem(initrd_start, initrd_end - initrd_start, 257588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen BOOTMEM_DEFAULT); 258588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen#endif /* if defined(CONFIG_BLK_DEV_INITRD) */ 259588baeac38829304390b690142376d2c71ac5c9fLennart Sorensen 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Get kmalloc into gear. 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds paging_init(); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Get CPU information for use by the procfs. 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int show_cpuinfo(struct seq_file *m, void *v) 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 27122982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer char *cpu, *mmu, *fpu; 27222982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer u_long clockfreq; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2747fc82b655a169039d8a58fde609b5e778573d5abGreg Ungerer cpu = CPU_NAME; 27522982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer mmu = "none"; 27622982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer fpu = "none"; 277733f31b764061d976a60c5ee454632d9562900eaGreg Ungerer clockfreq = (loops_per_jiffy * HZ) * CPU_INSTR_PER_JIFFY; 27822982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer 27922982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer seq_printf(m, "CPU:\t\t%s\n" 28022982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer "MMU:\t\t%s\n" 28122982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer "FPU:\t\t%s\n" 28222982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer "Clocking:\t%lu.%1luMHz\n" 28322982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer "BogoMips:\t%lu.%02lu\n" 28422982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer "Calibration:\t%lu loops\n", 28522982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer cpu, mmu, fpu, 28622982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer clockfreq / 1000000, 28722982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer (clockfreq / 100000) % 10, 28822982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer (loops_per_jiffy * HZ) / 500000, 28922982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer ((loops_per_jiffy * HZ) / 5000) % 100, 29022982a5687d8abf7bafe6d307585464f47089f18Greg Ungerer (loops_per_jiffy * HZ)); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void *c_start(struct seq_file *m, loff_t *pos) 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void *c_next(struct seq_file *m, void *v, loff_t *pos) 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++*pos; 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return c_start(m, pos); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void c_stop(struct seq_file *m, void *v) 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 31003a44825be987d720df854f63b2f7bd30e46bddeJan Engelhardtconst struct seq_operations cpuinfo_op = { 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .start = c_start, 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .next = c_next, 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stop = c_stop, 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .show = show_cpuinfo, 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 317