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 printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n");
138 printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n");
140 #ifdef CONFIG_M68VZ328
141 printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
143 #ifdef CONFIG_COLDFIRE
144 printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
146 printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
149 printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
152 printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n");
155 printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
157 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
158 printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n");
161 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
162 printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
165 #ifdef CONFIG_M68EZ328ADS
166 printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
169 #ifdef CONFIG_ALMA_ANS
170 printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
172 #if defined (CONFIG_M68360)
173 printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
174 printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
176 #ifdef CONFIG_DRAGEN2
177 printk(KERN_INFO "DragonEngine II board support by Georges Menie\n");
179 #ifdef CONFIG_M5235EVB
180 printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)");
184 printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
185 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
186 (int) &_sdata, (int) &_edata,
187 (int) &_sbss, (int) &_ebss);
188 printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
189 "STACK=0x%06x-0x%06x\n",
190 (int) &_ebss, (int) memory_start,
191 (int) memory_start, (int) memory_end,
192 (int) memory_end, (int) _ramend);
195 /* Keep a copy of command line */
196 *cmdline_p = &command_line[0];
197 memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
198 boot_command_line[COMMAND_LINE_SIZE-1] = 0;
201 if (strlen(*cmdline_p))
202 printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
205 #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
206 conswitchp = &dummy_con;
210 * Give all the memory to the bootmap allocator, tell it to put the
211 * boot mem_map at the start of memory.
213 bootmap_size = init_bootmem_node(
215 memory_start >> PAGE_SHIFT, /* map goes here */
216 PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
217 memory_end >> PAGE_SHIFT);
219 * Free the usable memory, we have to make sure we do not free
220 * the bootmem bitmap so we then reserve it after freeing it :-)
222 free_bootmem(memory_start, memory_end - memory_start);
223 reserve_bootmem(memory_start, bootmap_size);
226 * Get kmalloc into gear.
232 * Get CPU information for use by the procfs.
235 static int show_cpuinfo(struct seq_file *m, void *v)
237 char *cpu, *mmu, *fpu;
244 #ifdef CONFIG_COLDFIRE
245 clockfreq = (loops_per_jiffy*HZ)*3;
247 clockfreq = (loops_per_jiffy*HZ)*16;
250 seq_printf(m, "CPU:\t\t%s\n"
253 "Clocking:\t%lu.%1luMHz\n"
254 "BogoMips:\t%lu.%02lu\n"
255 "Calibration:\t%lu loops\n",
257 clockfreq/1000000,(clockfreq/100000)%10,
258 (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100,
259 (loops_per_jiffy*HZ));
264 static void *c_start(struct seq_file *m, loff_t *pos)
266 return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
269 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
272 return c_start(m, pos);
275 static void c_stop(struct seq_file *m, void *v)
279 struct seq_operations cpuinfo_op = {
283 .show = show_cpuinfo,
286 void arch_gettod(int *year, int *mon, int *day, int *hour,
290 mach_gettod(year, mon, day, hour, min, sec);
292 *year = *mon = *day = *hour = *min = *sec = 0;