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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/arch/m68knommu/kernel/setup.c | |
3 | * | |
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 | |
e6070a17 | 9 | * Copyright (C) 2000 Lineo Inc. (www.lineo.com) |
1da177e4 LT |
10 | * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> |
11 | * | |
12 | * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca> | |
13 | */ | |
14 | ||
15 | /* | |
16 | * This file handles the architecture-dependent parts of system setup | |
17 | */ | |
18 | ||
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> | |
24 | #include <linux/fs.h> | |
25 | #include <linux/fb.h> | |
e6070a17 | 26 | #include <linux/module.h> |
1da177e4 LT |
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> | |
36 | ||
37 | #include <asm/setup.h> | |
38 | #include <asm/irq.h> | |
39 | #include <asm/machdep.h> | |
40 | ||
41 | #ifdef CONFIG_BLK_DEV_INITRD | |
42 | #include <asm/pgtable.h> | |
43 | #endif | |
44 | ||
45 | unsigned long rom_length; | |
46 | unsigned long memory_start; | |
47 | unsigned long memory_end; | |
48 | ||
e6070a17 GU |
49 | EXPORT_SYMBOL(memory_start); |
50 | EXPORT_SYMBOL(memory_end); | |
51 | ||
1da177e4 LT |
52 | char command_line[COMMAND_LINE_SIZE]; |
53 | ||
54 | /* setup some dummy routines */ | |
55 | static void dummy_waitbut(void) | |
56 | { | |
57 | } | |
58 | ||
59 | void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)) = NULL; | |
60 | void (*mach_tick)( void ) = NULL; | |
61 | /* machine dependent keyboard functions */ | |
62 | int (*mach_keyb_init) (void) = NULL; | |
63 | int (*mach_kbdrate) (struct kbd_repeat *) = NULL; | |
64 | void (*mach_kbd_leds) (unsigned int) = NULL; | |
65 | /* machine dependent irq functions */ | |
66 | void (*mach_init_IRQ) (void) = NULL; | |
67 | irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL; | |
1da177e4 LT |
68 | int (*mach_get_irq_list) (struct seq_file *, void *) = NULL; |
69 | void (*mach_process_int) (int irq, struct pt_regs *fp) = NULL; | |
70 | void (*mach_trap_init) (void); | |
71 | /* machine dependent timer functions */ | |
72 | unsigned long (*mach_gettimeoffset) (void) = NULL; | |
73 | void (*mach_gettod) (int*, int*, int*, int*, int*, int*) = NULL; | |
74 | int (*mach_hwclk) (int, struct hwclk_time*) = NULL; | |
75 | int (*mach_set_clock_mmss) (unsigned long) = NULL; | |
76 | void (*mach_mksound)( unsigned int count, unsigned int ticks ) = NULL; | |
77 | void (*mach_reset)( void ) = NULL; | |
78 | void (*waitbut)(void) = dummy_waitbut; | |
79 | void (*mach_debug_init)(void) = NULL; | |
80 | void (*mach_halt)( void ) = NULL; | |
81 | void (*mach_power_off)( void ) = NULL; | |
82 | ||
83 | ||
84 | #ifdef CONFIG_M68000 | |
85 | #define CPU "MC68000" | |
86 | #endif | |
87 | #ifdef CONFIG_M68328 | |
88 | #define CPU "MC68328" | |
89 | #endif | |
90 | #ifdef CONFIG_M68EZ328 | |
91 | #define CPU "MC68EZ328" | |
92 | #endif | |
93 | #ifdef CONFIG_M68VZ328 | |
94 | #define CPU "MC68VZ328" | |
95 | #endif | |
96 | #ifdef CONFIG_M68332 | |
97 | #define CPU "MC68332" | |
98 | #endif | |
99 | #ifdef CONFIG_M68360 | |
100 | #define CPU "MC68360" | |
101 | #endif | |
102 | #if defined(CONFIG_M5206) | |
103 | #define CPU "COLDFIRE(m5206)" | |
104 | #endif | |
105 | #if defined(CONFIG_M5206e) | |
106 | #define CPU "COLDFIRE(m5206e)" | |
107 | #endif | |
54b03d13 GU |
108 | #if defined(CONFIG_M520x) |
109 | #define CPU "COLDFIRE(m520x)" | |
110 | #endif | |
e6070a17 GU |
111 | #if defined(CONFIG_M523x) |
112 | #define CPU "COLDFIRE(m523x)" | |
113 | #endif | |
1da177e4 LT |
114 | #if defined(CONFIG_M5249) |
115 | #define CPU "COLDFIRE(m5249)" | |
116 | #endif | |
e6070a17 GU |
117 | #if defined(CONFIG_M5271) |
118 | #define CPU "COLDFIRE(m5270/5271)" | |
1da177e4 LT |
119 | #endif |
120 | #if defined(CONFIG_M5272) | |
121 | #define CPU "COLDFIRE(m5272)" | |
122 | #endif | |
e6070a17 GU |
123 | #if defined(CONFIG_M5275) |
124 | #define CPU "COLDFIRE(m5274/5275)" | |
125 | #endif | |
1da177e4 LT |
126 | #if defined(CONFIG_M528x) |
127 | #define CPU "COLDFIRE(m5280/5282)" | |
128 | #endif | |
129 | #if defined(CONFIG_M5307) | |
130 | #define CPU "COLDFIRE(m5307)" | |
131 | #endif | |
132 | #if defined(CONFIG_M5407) | |
133 | #define CPU "COLDFIRE(m5407)" | |
134 | #endif | |
135 | #ifndef CPU | |
54b03d13 | 136 | #define CPU "UNKNOWN" |
1da177e4 LT |
137 | #endif |
138 | ||
139 | /* (es) */ | |
140 | /* note: why is this defined here? the must be a better place to put this */ | |
141 | #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )) | |
142 | #define CAT_ROMARRAY | |
143 | #endif | |
144 | /* (/es) */ | |
145 | ||
146 | extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; | |
147 | extern int _ramstart, _ramend; | |
148 | ||
149 | void setup_arch(char **cmdline_p) | |
150 | { | |
151 | int bootmap_size; | |
152 | ||
153 | #if defined(CAT_ROMARRAY) && defined(DEBUG) | |
154 | extern int __data_rom_start; | |
155 | extern int __data_start; | |
156 | int *romarray = (int *)((int) &__data_rom_start + | |
157 | (int)&_edata - (int)&__data_start); | |
158 | #endif | |
159 | ||
160 | memory_start = PAGE_ALIGN(_ramstart); | |
161 | memory_end = _ramend; /* by now the stack is part of the init task */ | |
162 | ||
163 | init_mm.start_code = (unsigned long) &_stext; | |
164 | init_mm.end_code = (unsigned long) &_etext; | |
165 | init_mm.end_data = (unsigned long) &_edata; | |
e6070a17 | 166 | init_mm.brk = (unsigned long) 0; |
1da177e4 LT |
167 | |
168 | config_BSP(&command_line[0], sizeof(command_line)); | |
169 | ||
170 | printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); | |
171 | ||
172 | #ifdef CONFIG_UCDIMM | |
173 | printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); | |
174 | #endif | |
175 | #ifdef CONFIG_M68VZ328 | |
176 | printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n"); | |
177 | #endif | |
178 | #ifdef CONFIG_COLDFIRE | |
179 | printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n"); | |
180 | #ifdef CONFIG_M5307 | |
181 | printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n"); | |
182 | #endif | |
183 | #ifdef CONFIG_ELITE | |
184 | printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n"); | |
e6070a17 | 185 | #endif |
1da177e4 LT |
186 | #ifdef CONFIG_TELOS |
187 | printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n"); | |
188 | #endif | |
189 | #endif | |
190 | printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); | |
191 | ||
192 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ) | |
193 | printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n"); | |
194 | #endif | |
195 | ||
196 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 ) | |
197 | printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n"); | |
198 | #endif | |
199 | ||
200 | #ifdef CONFIG_M68EZ328ADS | |
201 | printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); | |
202 | #endif | |
203 | ||
204 | #ifdef CONFIG_ALMA_ANS | |
205 | printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); | |
206 | #endif | |
207 | #if defined (CONFIG_M68360) | |
208 | printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n"); | |
209 | printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n"); | |
210 | #endif | |
211 | #ifdef CONFIG_DRAGEN2 | |
212 | printk(KERN_INFO "DragonEngine II board support by Georges Menie\n"); | |
213 | #endif | |
e6070a17 GU |
214 | #ifdef CONFIG_M5235EVB |
215 | printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)"); | |
216 | #endif | |
1da177e4 LT |
217 | |
218 | #ifdef DEBUG | |
219 | printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x " | |
220 | "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext, | |
221 | (int) &_sdata, (int) &_edata, | |
222 | (int) &_sbss, (int) &_ebss); | |
223 | printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x " | |
224 | "STACK=0x%06x-0x%06x\n", | |
225 | #ifdef CAT_ROMARRAY | |
226 | (int) romarray, ((int) romarray) + romarray[2], | |
227 | #else | |
228 | (int) &_ebss, (int) memory_start, | |
229 | #endif | |
230 | (int) memory_start, (int) memory_end, | |
231 | (int) memory_end, (int) _ramend); | |
232 | #endif | |
233 | ||
234 | /* Keep a copy of command line */ | |
235 | *cmdline_p = &command_line[0]; | |
236 | memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); | |
237 | saved_command_line[COMMAND_LINE_SIZE-1] = 0; | |
238 | ||
239 | #ifdef DEBUG | |
e6070a17 | 240 | if (strlen(*cmdline_p)) |
1da177e4 LT |
241 | printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); |
242 | #endif | |
243 | ||
244 | #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) | |
245 | conswitchp = &dummy_con; | |
246 | #endif | |
247 | ||
248 | /* | |
249 | * Give all the memory to the bootmap allocator, tell it to put the | |
250 | * boot mem_map at the start of memory. | |
251 | */ | |
252 | bootmap_size = init_bootmem_node( | |
253 | NODE_DATA(0), | |
254 | memory_start >> PAGE_SHIFT, /* map goes here */ | |
255 | PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ | |
256 | memory_end >> PAGE_SHIFT); | |
257 | /* | |
258 | * Free the usable memory, we have to make sure we do not free | |
259 | * the bootmem bitmap so we then reserve it after freeing it :-) | |
260 | */ | |
261 | free_bootmem(memory_start, memory_end - memory_start); | |
262 | reserve_bootmem(memory_start, bootmap_size); | |
263 | ||
264 | /* | |
265 | * Get kmalloc into gear. | |
266 | */ | |
267 | paging_init(); | |
268 | } | |
269 | ||
270 | int get_cpuinfo(char * buffer) | |
271 | { | |
272 | char *cpu, *mmu, *fpu; | |
273 | u_long clockfreq; | |
274 | ||
275 | cpu = CPU; | |
276 | mmu = "none"; | |
277 | fpu = "none"; | |
278 | ||
279 | #ifdef CONFIG_COLDFIRE | |
280 | clockfreq = (loops_per_jiffy*HZ)*3; | |
281 | #else | |
282 | clockfreq = (loops_per_jiffy*HZ)*16; | |
283 | #endif | |
284 | ||
285 | return(sprintf(buffer, "CPU:\t\t%s\n" | |
286 | "MMU:\t\t%s\n" | |
287 | "FPU:\t\t%s\n" | |
288 | "Clocking:\t%lu.%1luMHz\n" | |
289 | "BogoMips:\t%lu.%02lu\n" | |
290 | "Calibration:\t%lu loops\n", | |
291 | cpu, mmu, fpu, | |
292 | clockfreq/1000000,(clockfreq/100000)%10, | |
293 | (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, | |
294 | (loops_per_jiffy*HZ))); | |
295 | ||
296 | } | |
297 | ||
298 | /* | |
299 | * Get CPU information for use by the procfs. | |
300 | */ | |
301 | ||
302 | static int show_cpuinfo(struct seq_file *m, void *v) | |
303 | { | |
304 | char *cpu, *mmu, *fpu; | |
305 | u_long clockfreq; | |
306 | ||
307 | cpu = CPU; | |
308 | mmu = "none"; | |
309 | fpu = "none"; | |
310 | ||
311 | #ifdef CONFIG_COLDFIRE | |
312 | clockfreq = (loops_per_jiffy*HZ)*3; | |
313 | #else | |
314 | clockfreq = (loops_per_jiffy*HZ)*16; | |
315 | #endif | |
316 | ||
317 | seq_printf(m, "CPU:\t\t%s\n" | |
318 | "MMU:\t\t%s\n" | |
319 | "FPU:\t\t%s\n" | |
320 | "Clocking:\t%lu.%1luMHz\n" | |
321 | "BogoMips:\t%lu.%02lu\n" | |
322 | "Calibration:\t%lu loops\n", | |
323 | cpu, mmu, fpu, | |
324 | clockfreq/1000000,(clockfreq/100000)%10, | |
325 | (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, | |
326 | (loops_per_jiffy*HZ)); | |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
331 | static void *c_start(struct seq_file *m, loff_t *pos) | |
332 | { | |
333 | return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; | |
334 | } | |
335 | ||
336 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) | |
337 | { | |
338 | ++*pos; | |
339 | return c_start(m, pos); | |
340 | } | |
341 | ||
342 | static void c_stop(struct seq_file *m, void *v) | |
343 | { | |
344 | } | |
345 | ||
346 | struct seq_operations cpuinfo_op = { | |
347 | .start = c_start, | |
348 | .next = c_next, | |
349 | .stop = c_stop, | |
350 | .show = show_cpuinfo, | |
351 | }; | |
352 | ||
353 | void arch_gettod(int *year, int *mon, int *day, int *hour, | |
354 | int *min, int *sec) | |
355 | { | |
356 | if (mach_gettod) | |
357 | mach_gettod(year, mon, day, hour, min, sec); | |
358 | else | |
359 | *year = *mon = *day = *hour = *min = *sec = 0; | |
360 | } | |
361 |