2 * linux/arch/m68knommu/kernel/setup.c
4 * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com)
5 * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org>
6 * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com}
7 * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
8 * Copyright (C) 1995 Hamish Macdonald
9 * Copyright (C) 2000 Lineo Inc. (www.lineo.com)
10 * Copyright (C) 2001 Lineo, Inc. <www.lineo.com>
12 * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca>
16 * This file handles the architecture-dependent parts of system setup
19 #include <linux/kernel.h>
20 #include <linux/sched.h>
21 #include <linux/delay.h>
22 #include <linux/interrupt.h>
24 #include <linux/module.h>
25 #include <linux/console.h>
26 #include <linux/errno.h>
27 #include <linux/string.h>
28 #include <linux/bootmem.h>
29 #include <linux/seq_file.h>
30 #include <linux/init.h>
32 #include <asm/setup.h>
34 #include <asm/machdep.h>
35 #include <asm/pgtable.h>
37 unsigned long memory_start;
38 unsigned long memory_end;
40 EXPORT_SYMBOL(memory_start);
41 EXPORT_SYMBOL(memory_end);
43 char __initdata command_line[COMMAND_LINE_SIZE];
45 void (*mach_trap_init)(void);
47 /* machine dependent timer functions */
48 void (*mach_sched_init)(irq_handler_t handler);
49 void (*mach_tick)(void);
50 void (*mach_gettod)(int*, int*, int*, int*, int*, int*);
51 int (*mach_set_clock_mmss)(unsigned long);
52 unsigned long (*mach_gettimeoffset)(void);
54 /* machine dependent reboot functions */
55 void (*mach_reset)(void);
56 void (*mach_halt)(void);
57 void (*mach_power_off)(void);
66 #ifdef CONFIG_M68EZ328
67 #define CPU "MC68EZ328"
69 #ifdef CONFIG_M68VZ328
70 #define CPU "MC68VZ328"
78 #if defined(CONFIG_M5206)
79 #define CPU "COLDFIRE(m5206)"
81 #if defined(CONFIG_M5206e)
82 #define CPU "COLDFIRE(m5206e)"
84 #if defined(CONFIG_M520x)
85 #define CPU "COLDFIRE(m520x)"
87 #if defined(CONFIG_M523x)
88 #define CPU "COLDFIRE(m523x)"
90 #if defined(CONFIG_M5249)
91 #define CPU "COLDFIRE(m5249)"
93 #if defined(CONFIG_M5271)
94 #define CPU "COLDFIRE(m5270/5271)"
96 #if defined(CONFIG_M5272)
97 #define CPU "COLDFIRE(m5272)"
99 #if defined(CONFIG_M5275)
100 #define CPU "COLDFIRE(m5274/5275)"
102 #if defined(CONFIG_M528x)
103 #define CPU "COLDFIRE(m5280/5282)"
105 #if defined(CONFIG_M5307)
106 #define CPU "COLDFIRE(m5307)"
108 #if defined(CONFIG_M532x)
109 #define CPU "COLDFIRE(m532x)"
111 #if defined(CONFIG_M5407)
112 #define CPU "COLDFIRE(m5407)"
115 #define CPU "UNKNOWN"
118 extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
119 extern int _ramstart, _ramend;
121 void setup_arch(char **cmdline_p)
125 memory_start = PAGE_ALIGN(_ramstart);
126 memory_end = _ramend;
128 init_mm.start_code = (unsigned long) &_stext;
129 init_mm.end_code = (unsigned long) &_etext;
130 init_mm.end_data = (unsigned long) &_edata;
131 init_mm.brk = (unsigned long) 0;
133 config_BSP(&command_line[0], sizeof(command_line));
135 #if defined(CONFIG_BOOTPARAM)
136 strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
137 command_line[sizeof(command_line) - 1] = 0;
140 printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n");
143 printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n");
145 #ifdef CONFIG_M68VZ328
146 printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
148 #ifdef CONFIG_COLDFIRE
149 printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
151 printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
154 printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
157 printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n");
160 printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
162 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
163 printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n");
166 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
167 printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
170 #ifdef CONFIG_M68EZ328ADS
171 printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
174 #ifdef CONFIG_ALMA_ANS
175 printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
177 #if defined (CONFIG_M68360)
178 printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
179 printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
181 #ifdef CONFIG_DRAGEN2
182 printk(KERN_INFO "DragonEngine II board support by Georges Menie\n");
184 #ifdef CONFIG_M5235EVB
185 printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)");
189 printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
190 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
191 (int) &_sdata, (int) &_edata,
192 (int) &_sbss, (int) &_ebss);
193 printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
194 "STACK=0x%06x-0x%06x\n",
195 (int) &_ebss, (int) memory_start,
196 (int) memory_start, (int) memory_end,
197 (int) memory_end, (int) _ramend);
200 /* Keep a copy of command line */
201 *cmdline_p = &command_line[0];
202 memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
203 boot_command_line[COMMAND_LINE_SIZE-1] = 0;
206 if (strlen(*cmdline_p))
207 printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
210 #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
211 conswitchp = &dummy_con;
215 * Give all the memory to the bootmap allocator, tell it to put the
216 * boot mem_map at the start of memory.
218 bootmap_size = init_bootmem_node(
220 memory_start >> PAGE_SHIFT, /* map goes here */
221 PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
222 memory_end >> PAGE_SHIFT);
224 * Free the usable memory, we have to make sure we do not free
225 * the bootmem bitmap so we then reserve it after freeing it :-)
227 free_bootmem(memory_start, memory_end - memory_start);
228 reserve_bootmem(memory_start, bootmap_size);
231 * Get kmalloc into gear.
237 * Get CPU information for use by the procfs.
239 static int show_cpuinfo(struct seq_file *m, void *v)
241 char *cpu, *mmu, *fpu;
248 #ifdef CONFIG_COLDFIRE
249 clockfreq = (loops_per_jiffy * HZ) * 3;
251 clockfreq = (loops_per_jiffy * HZ) * 16;
254 seq_printf(m, "CPU:\t\t%s\n"
257 "Clocking:\t%lu.%1luMHz\n"
258 "BogoMips:\t%lu.%02lu\n"
259 "Calibration:\t%lu loops\n",
262 (clockfreq / 100000) % 10,
263 (loops_per_jiffy * HZ) / 500000,
264 ((loops_per_jiffy * HZ) / 5000) % 100,
265 (loops_per_jiffy * HZ));
270 static void *c_start(struct seq_file *m, loff_t *pos)
272 return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
275 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
278 return c_start(m, pos);
281 static void c_stop(struct seq_file *m, void *v)
285 struct seq_operations cpuinfo_op = {
289 .show = show_cpuinfo,
292 void arch_gettod(int *year, int *mon, int *day, int *hour,
296 mach_gettod(year, mon, day, hour, min, sec);
298 *year = *mon = *day = *hour = *min = *sec = 0;