2 * linux/arch/m68knommu/kernel/setup.c
4 * Copyright (C) 1999-2004 Greg Ungerer (gerg@snapgear.com)
5 * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@lineo.ca>
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/config.h>
20 #include <linux/kernel.h>
21 #include <linux/sched.h>
22 #include <linux/delay.h>
23 #include <linux/interrupt.h>
26 #include <linux/module.h>
27 #include <linux/console.h>
28 #include <linux/genhd.h>
29 #include <linux/errno.h>
30 #include <linux/string.h>
31 #include <linux/major.h>
32 #include <linux/bootmem.h>
33 #include <linux/seq_file.h>
34 #include <linux/root_dev.h>
35 #include <linux/init.h>
37 #include <asm/setup.h>
39 #include <asm/machdep.h>
41 #ifdef CONFIG_BLK_DEV_INITRD
42 #include <asm/pgtable.h>
45 unsigned long memory_start
;
46 unsigned long memory_end
;
48 EXPORT_SYMBOL(memory_start
);
49 EXPORT_SYMBOL(memory_end
);
51 char command_line
[COMMAND_LINE_SIZE
];
53 /* setup some dummy routines */
54 static void dummy_waitbut(void)
58 void (*mach_sched_init
) (irqreturn_t (*handler
)(int, void *, struct pt_regs
*));
59 void (*mach_tick
)( void );
60 /* machine dependent keyboard functions */
61 int (*mach_keyb_init
) (void);
62 int (*mach_kbdrate
) (struct kbd_repeat
*);
63 void (*mach_kbd_leds
) (unsigned int);
64 /* machine dependent irq functions */
65 void (*mach_init_IRQ
) (void);
66 irqreturn_t (*(*mach_default_handler
)[]) (int, void *, struct pt_regs
*);
67 int (*mach_get_irq_list
) (struct seq_file
*, void *);
68 void (*mach_process_int
) (int irq
, struct pt_regs
*fp
);
69 void (*mach_trap_init
) (void);
70 /* machine dependent timer functions */
71 unsigned long (*mach_gettimeoffset
) (void);
72 void (*mach_gettod
) (int*, int*, int*, int*, int*, int*);
73 int (*mach_hwclk
) (int, struct hwclk_time
*);
74 int (*mach_set_clock_mmss
) (unsigned long);
75 void (*mach_mksound
)( unsigned int count
, unsigned int ticks
);
76 void (*mach_reset
)( void );
77 void (*waitbut
)(void) = dummy_waitbut
;
78 void (*mach_debug_init
)(void);
79 void (*mach_halt
)( void );
80 void (*mach_power_off
)( void );
89 #ifdef CONFIG_M68EZ328
90 #define CPU "MC68EZ328"
92 #ifdef CONFIG_M68VZ328
93 #define CPU "MC68VZ328"
101 #if defined(CONFIG_M5206)
102 #define CPU "COLDFIRE(m5206)"
104 #if defined(CONFIG_M5206e)
105 #define CPU "COLDFIRE(m5206e)"
107 #if defined(CONFIG_M520x)
108 #define CPU "COLDFIRE(m520x)"
110 #if defined(CONFIG_M523x)
111 #define CPU "COLDFIRE(m523x)"
113 #if defined(CONFIG_M5249)
114 #define CPU "COLDFIRE(m5249)"
116 #if defined(CONFIG_M5271)
117 #define CPU "COLDFIRE(m5270/5271)"
119 #if defined(CONFIG_M5272)
120 #define CPU "COLDFIRE(m5272)"
122 #if defined(CONFIG_M5275)
123 #define CPU "COLDFIRE(m5274/5275)"
125 #if defined(CONFIG_M528x)
126 #define CPU "COLDFIRE(m5280/5282)"
128 #if defined(CONFIG_M5307)
129 #define CPU "COLDFIRE(m5307)"
131 #if defined(CONFIG_M532x)
132 #define CPU "COLDFIRE(m532x)"
134 #if defined(CONFIG_M5407)
135 #define CPU "COLDFIRE(m5407)"
138 #define CPU "UNKNOWN"
142 /* note: why is this defined here? the must be a better place to put this */
143 #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ))
148 extern int _stext
, _etext
, _sdata
, _edata
, _sbss
, _ebss
, _end
;
149 extern int _ramstart
, _ramend
;
151 void setup_arch(char **cmdline_p
)
155 #if defined(CAT_ROMARRAY) && defined(DEBUG)
156 extern int __data_rom_start
;
157 extern int __data_start
;
158 int *romarray
= (int *)((int) &__data_rom_start
+
159 (int)&_edata
- (int)&__data_start
);
162 memory_start
= PAGE_ALIGN(_ramstart
);
163 memory_end
= _ramend
; /* by now the stack is part of the init task */
165 init_mm
.start_code
= (unsigned long) &_stext
;
166 init_mm
.end_code
= (unsigned long) &_etext
;
167 init_mm
.end_data
= (unsigned long) &_edata
;
168 init_mm
.brk
= (unsigned long) 0;
170 config_BSP(&command_line
[0], sizeof(command_line
));
172 printk(KERN_INFO
"\x0F\r\n\nuClinux/" CPU
"\n");
175 printk(KERN_INFO
"uCdimm by Lineo, Inc. <www.lineo.com>\n");
177 #ifdef CONFIG_M68VZ328
178 printk(KERN_INFO
"M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
180 #ifdef CONFIG_COLDFIRE
181 printk(KERN_INFO
"COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
183 printk(KERN_INFO
"Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
186 printk(KERN_INFO
"Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
189 printk(KERN_INFO
"Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n");
192 printk(KERN_INFO
"Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
194 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
195 printk(KERN_INFO
"TRG SuperPilot FLASH card support <info@trgnet.com>\n");
198 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
199 printk(KERN_INFO
"PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
202 #ifdef CONFIG_M68EZ328ADS
203 printk(KERN_INFO
"M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
206 #ifdef CONFIG_ALMA_ANS
207 printk(KERN_INFO
"Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
209 #if defined (CONFIG_M68360)
210 printk(KERN_INFO
"QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
211 printk(KERN_INFO
"based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
213 #ifdef CONFIG_DRAGEN2
214 printk(KERN_INFO
"DragonEngine II board support by Georges Menie\n");
216 #ifdef CONFIG_M5235EVB
217 printk(KERN_INFO
"Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)");
221 printk(KERN_DEBUG
"KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
222 "BSS=0x%06x-0x%06x\n", (int) &_stext
, (int) &_etext
,
223 (int) &_sdata
, (int) &_edata
,
224 (int) &_sbss
, (int) &_ebss
);
225 printk(KERN_DEBUG
"KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
226 "STACK=0x%06x-0x%06x\n",
228 (int) romarray
, ((int) romarray
) + romarray
[2],
230 (int) &_ebss
, (int) memory_start
,
232 (int) memory_start
, (int) memory_end
,
233 (int) memory_end
, (int) _ramend
);
236 /* Keep a copy of command line */
237 *cmdline_p
= &command_line
[0];
238 memcpy(saved_command_line
, command_line
, COMMAND_LINE_SIZE
);
239 saved_command_line
[COMMAND_LINE_SIZE
-1] = 0;
242 if (strlen(*cmdline_p
))
243 printk(KERN_DEBUG
"Command line: '%s'\n", *cmdline_p
);
246 #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
247 conswitchp
= &dummy_con
;
251 * Give all the memory to the bootmap allocator, tell it to put the
252 * boot mem_map at the start of memory.
254 bootmap_size
= init_bootmem_node(
256 memory_start
>> PAGE_SHIFT
, /* map goes here */
257 PAGE_OFFSET
>> PAGE_SHIFT
, /* 0 on coldfire */
258 memory_end
>> PAGE_SHIFT
);
260 * Free the usable memory, we have to make sure we do not free
261 * the bootmem bitmap so we then reserve it after freeing it :-)
263 free_bootmem(memory_start
, memory_end
- memory_start
);
264 reserve_bootmem(memory_start
, bootmap_size
);
267 * Get kmalloc into gear.
273 * Get CPU information for use by the procfs.
276 static int show_cpuinfo(struct seq_file
*m
, void *v
)
278 char *cpu
, *mmu
, *fpu
;
285 #ifdef CONFIG_COLDFIRE
286 clockfreq
= (loops_per_jiffy
*HZ
)*3;
288 clockfreq
= (loops_per_jiffy
*HZ
)*16;
291 seq_printf(m
, "CPU:\t\t%s\n"
294 "Clocking:\t%lu.%1luMHz\n"
295 "BogoMips:\t%lu.%02lu\n"
296 "Calibration:\t%lu loops\n",
298 clockfreq
/1000000,(clockfreq
/100000)%10,
299 (loops_per_jiffy
*HZ
)/500000,((loops_per_jiffy
*HZ
)/5000)%100,
300 (loops_per_jiffy
*HZ
));
305 static void *c_start(struct seq_file
*m
, loff_t
*pos
)
307 return *pos
< NR_CPUS
? ((void *) 0x12345678) : NULL
;
310 static void *c_next(struct seq_file
*m
, void *v
, loff_t
*pos
)
313 return c_start(m
, pos
);
316 static void c_stop(struct seq_file
*m
, void *v
)
320 struct seq_operations cpuinfo_op
= {
324 .show
= show_cpuinfo
,
327 void arch_gettod(int *year
, int *mon
, int *day
, int *hour
,
331 mach_gettod(year
, mon
, day
, hour
, min
, sec
);
333 *year
= *mon
= *day
= *hour
= *min
= *sec
= 0;