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/kernel.h>
20 #include <linux/sched.h>
21 #include <linux/delay.h>
22 #include <linux/interrupt.h>
25 #include <linux/module.h>
26 #include <linux/console.h>
27 #include <linux/genhd.h>
28 #include <linux/errno.h>
29 #include <linux/string.h>
30 #include <linux/major.h>
31 #include <linux/bootmem.h>
32 #include <linux/seq_file.h>
33 #include <linux/root_dev.h>
34 #include <linux/init.h>
36 #include <asm/setup.h>
38 #include <asm/machdep.h>
39 #include <asm/pgtable.h>
41 unsigned long memory_start;
42 unsigned long memory_end;
44 EXPORT_SYMBOL(memory_start);
45 EXPORT_SYMBOL(memory_end);
47 char __initdata command_line[COMMAND_LINE_SIZE];
49 /* setup some dummy routines */
50 static void dummy_waitbut(void)
54 void (*mach_sched_init) (irq_handler_t handler);
55 void (*mach_tick)( void );
56 /* machine dependent keyboard functions */
57 int (*mach_keyb_init) (void);
58 int (*mach_kbdrate) (struct kbd_repeat *);
59 void (*mach_kbd_leds) (unsigned int);
60 /* machine dependent irq functions */
61 void (*mach_init_IRQ) (void);
62 irq_handler_t mach_default_handler;
63 int (*mach_get_irq_list) (struct seq_file *, void *);
64 void (*mach_process_int) (int irq, struct pt_regs *fp);
65 void (*mach_trap_init) (void);
66 /* machine dependent timer functions */
67 unsigned long (*mach_gettimeoffset) (void);
68 void (*mach_gettod) (int*, int*, int*, int*, int*, int*);
69 int (*mach_hwclk) (int, struct rtc_time*);
70 int (*mach_set_clock_mmss) (unsigned long);
71 void (*mach_mksound)( unsigned int count, unsigned int ticks );
72 void (*mach_reset)( void );
73 void (*waitbut)(void) = dummy_waitbut;
74 void (*mach_debug_init)(void);
75 void (*mach_halt)( void );
76 void (*mach_power_off)( void );
85 #ifdef CONFIG_M68EZ328
86 #define CPU "MC68EZ328"
88 #ifdef CONFIG_M68VZ328
89 #define CPU "MC68VZ328"
97 #if defined(CONFIG_M5206)
98 #define CPU "COLDFIRE(m5206)"
100 #if defined(CONFIG_M5206e)
101 #define CPU "COLDFIRE(m5206e)"
103 #if defined(CONFIG_M520x)
104 #define CPU "COLDFIRE(m520x)"
106 #if defined(CONFIG_M523x)
107 #define CPU "COLDFIRE(m523x)"
109 #if defined(CONFIG_M5249)
110 #define CPU "COLDFIRE(m5249)"
112 #if defined(CONFIG_M5271)
113 #define CPU "COLDFIRE(m5270/5271)"
115 #if defined(CONFIG_M5272)
116 #define CPU "COLDFIRE(m5272)"
118 #if defined(CONFIG_M5275)
119 #define CPU "COLDFIRE(m5274/5275)"
121 #if defined(CONFIG_M528x)
122 #define CPU "COLDFIRE(m5280/5282)"
124 #if defined(CONFIG_M5307)
125 #define CPU "COLDFIRE(m5307)"
127 #if defined(CONFIG_M532x)
128 #define CPU "COLDFIRE(m532x)"
130 #if defined(CONFIG_M5407)
131 #define CPU "COLDFIRE(m5407)"
134 #define CPU "UNKNOWN"
138 /* note: why is this defined here? the must be a better place to put this */
139 #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ))
144 extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
145 extern int _ramstart, _ramend;
147 void setup_arch(char **cmdline_p)
151 #if defined(CAT_ROMARRAY) && defined(DEBUG)
152 extern int __data_rom_start;
153 extern int __data_start;
154 int *romarray = (int *)((int) &__data_rom_start +
155 (int)&_edata - (int)&__data_start);
158 memory_start = PAGE_ALIGN(_ramstart);
159 memory_end = _ramend; /* by now the stack is part of the init task */
161 init_mm.start_code = (unsigned long) &_stext;
162 init_mm.end_code = (unsigned long) &_etext;
163 init_mm.end_data = (unsigned long) &_edata;
164 init_mm.brk = (unsigned long) 0;
166 config_BSP(&command_line[0], sizeof(command_line));
168 printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n");
171 printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n");
173 #ifdef CONFIG_M68VZ328
174 printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
176 #ifdef CONFIG_COLDFIRE
177 printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
179 printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
182 printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
185 printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n");
188 printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");
190 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
191 printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n");
194 #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
195 printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
198 #ifdef CONFIG_M68EZ328ADS
199 printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
202 #ifdef CONFIG_ALMA_ANS
203 printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n");
205 #if defined (CONFIG_M68360)
206 printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n");
207 printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n");
209 #ifdef CONFIG_DRAGEN2
210 printk(KERN_INFO "DragonEngine II board support by Georges Menie\n");
212 #ifdef CONFIG_M5235EVB
213 printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)");
217 printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
218 "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
219 (int) &_sdata, (int) &_edata,
220 (int) &_sbss, (int) &_ebss);
221 printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
222 "STACK=0x%06x-0x%06x\n",
224 (int) romarray, ((int) romarray) + romarray[2],
226 (int) &_ebss, (int) memory_start,
228 (int) memory_start, (int) memory_end,
229 (int) memory_end, (int) _ramend);
232 /* Keep a copy of command line */
233 *cmdline_p = &command_line[0];
234 memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
235 boot_command_line[COMMAND_LINE_SIZE-1] = 0;
238 if (strlen(*cmdline_p))
239 printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p);
242 #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE)
243 conswitchp = &dummy_con;
247 * Give all the memory to the bootmap allocator, tell it to put the
248 * boot mem_map at the start of memory.
250 bootmap_size = init_bootmem_node(
252 memory_start >> PAGE_SHIFT, /* map goes here */
253 PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */
254 memory_end >> PAGE_SHIFT);
256 * Free the usable memory, we have to make sure we do not free
257 * the bootmem bitmap so we then reserve it after freeing it :-)
259 free_bootmem(memory_start, memory_end - memory_start);
260 reserve_bootmem(memory_start, bootmap_size);
263 * Get kmalloc into gear.
269 * Get CPU information for use by the procfs.
272 static int show_cpuinfo(struct seq_file *m, void *v)
274 char *cpu, *mmu, *fpu;
281 #ifdef CONFIG_COLDFIRE
282 clockfreq = (loops_per_jiffy*HZ)*3;
284 clockfreq = (loops_per_jiffy*HZ)*16;
287 seq_printf(m, "CPU:\t\t%s\n"
290 "Clocking:\t%lu.%1luMHz\n"
291 "BogoMips:\t%lu.%02lu\n"
292 "Calibration:\t%lu loops\n",
294 clockfreq/1000000,(clockfreq/100000)%10,
295 (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100,
296 (loops_per_jiffy*HZ));
301 static void *c_start(struct seq_file *m, loff_t *pos)
303 return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
306 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
309 return c_start(m, pos);
312 static void c_stop(struct seq_file *m, void *v)
316 struct seq_operations cpuinfo_op = {
320 .show = show_cpuinfo,
323 void arch_gettod(int *year, int *mon, int *day, int *hour,
327 mach_gettod(year, mon, day, hour, min, sec);
329 *year = *mon = *day = *hour = *min = *sec = 0;