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Commit | Line | Data |
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48f4c485 | 1 | #include <linux/bitops.h> |
1da177e4 LT |
2 | #include <linux/kernel.h> |
3 | #include <linux/init.h> | |
edc05e6d | 4 | |
1da177e4 | 5 | #include <asm/processor.h> |
1da177e4 | 6 | #include <asm/e820.h> |
52f4a91a | 7 | #include <asm/mtrr.h> |
48f4c485 | 8 | #include <asm/msr.h> |
edc05e6d | 9 | |
1da177e4 LT |
10 | #include "cpu.h" |
11 | ||
12 | #ifdef CONFIG_X86_OOSTORE | |
13 | ||
148f9bb8 | 14 | static u32 power2(u32 x) |
1da177e4 | 15 | { |
29a9994b | 16 | u32 s = 1; |
edc05e6d IM |
17 | |
18 | while (s <= x) | |
29a9994b | 19 | s <<= 1; |
edc05e6d | 20 | |
29a9994b | 21 | return s >>= 1; |
1da177e4 LT |
22 | } |
23 | ||
24 | ||
25 | /* | |
edc05e6d | 26 | * Set up an actual MCR |
1da177e4 | 27 | */ |
148f9bb8 | 28 | static void centaur_mcr_insert(int reg, u32 base, u32 size, int key) |
1da177e4 LT |
29 | { |
30 | u32 lo, hi; | |
29a9994b | 31 | |
1da177e4 LT |
32 | hi = base & ~0xFFF; |
33 | lo = ~(size-1); /* Size is a power of 2 so this makes a mask */ | |
34 | lo &= ~0xFFF; /* Remove the ctrl value bits */ | |
35 | lo |= key; /* Attribute we wish to set */ | |
36 | wrmsr(reg+MSR_IDT_MCR0, lo, hi); | |
37 | mtrr_centaur_report_mcr(reg, lo, hi); /* Tell the mtrr driver */ | |
38 | } | |
39 | ||
40 | /* | |
edc05e6d | 41 | * Figure what we can cover with MCR's |
1da177e4 | 42 | * |
edc05e6d | 43 | * Shortcut: We know you can't put 4Gig of RAM on a winchip |
1da177e4 | 44 | */ |
148f9bb8 | 45 | static u32 ramtop(void) |
1da177e4 | 46 | { |
1da177e4 | 47 | u32 clip = 0xFFFFFFFFUL; |
edc05e6d IM |
48 | u32 top = 0; |
49 | int i; | |
29a9994b | 50 | |
1da177e4 LT |
51 | for (i = 0; i < e820.nr_map; i++) { |
52 | unsigned long start, end; | |
53 | ||
54 | if (e820.map[i].addr > 0xFFFFFFFFUL) | |
55 | continue; | |
56 | /* | |
edc05e6d IM |
57 | * Don't MCR over reserved space. Ignore the ISA hole |
58 | * we frob around that catastrophe already | |
1da177e4 | 59 | */ |
edc05e6d IM |
60 | if (e820.map[i].type == E820_RESERVED) { |
61 | if (e820.map[i].addr >= 0x100000UL && | |
62 | e820.map[i].addr < clip) | |
1da177e4 LT |
63 | clip = e820.map[i].addr; |
64 | continue; | |
65 | } | |
66 | start = e820.map[i].addr; | |
67 | end = e820.map[i].addr + e820.map[i].size; | |
68 | if (start >= end) | |
69 | continue; | |
70 | if (end > top) | |
71 | top = end; | |
72 | } | |
edc05e6d IM |
73 | /* |
74 | * Everything below 'top' should be RAM except for the ISA hole. | |
75 | * Because of the limited MCR's we want to map NV/ACPI into our | |
76 | * MCR range for gunk in RAM | |
77 | * | |
78 | * Clip might cause us to MCR insufficient RAM but that is an | |
79 | * acceptable failure mode and should only bite obscure boxes with | |
80 | * a VESA hole at 15Mb | |
81 | * | |
82 | * The second case Clip sometimes kicks in is when the EBDA is marked | |
83 | * as reserved. Again we fail safe with reasonable results | |
84 | */ | |
85 | if (top > clip) | |
29a9994b PC |
86 | top = clip; |
87 | ||
1da177e4 LT |
88 | return top; |
89 | } | |
90 | ||
91 | /* | |
edc05e6d | 92 | * Compute a set of MCR's to give maximum coverage |
1da177e4 | 93 | */ |
148f9bb8 | 94 | static int centaur_mcr_compute(int nr, int key) |
1da177e4 LT |
95 | { |
96 | u32 mem = ramtop(); | |
97 | u32 root = power2(mem); | |
98 | u32 base = root; | |
99 | u32 top = root; | |
100 | u32 floor = 0; | |
101 | int ct = 0; | |
29a9994b | 102 | |
edc05e6d | 103 | while (ct < nr) { |
1da177e4 | 104 | u32 fspace = 0; |
edc05e6d IM |
105 | u32 high; |
106 | u32 low; | |
1da177e4 LT |
107 | |
108 | /* | |
edc05e6d | 109 | * Find the largest block we will fill going upwards |
1da177e4 | 110 | */ |
edc05e6d | 111 | high = power2(mem-top); |
1da177e4 LT |
112 | |
113 | /* | |
edc05e6d | 114 | * Find the largest block we will fill going downwards |
1da177e4 | 115 | */ |
edc05e6d | 116 | low = base/2; |
1da177e4 LT |
117 | |
118 | /* | |
edc05e6d IM |
119 | * Don't fill below 1Mb going downwards as there |
120 | * is an ISA hole in the way. | |
29a9994b | 121 | */ |
29a9994b | 122 | if (base <= 1024*1024) |
1da177e4 | 123 | low = 0; |
29a9994b | 124 | |
1da177e4 | 125 | /* |
edc05e6d IM |
126 | * See how much space we could cover by filling below |
127 | * the ISA hole | |
1da177e4 | 128 | */ |
29a9994b PC |
129 | |
130 | if (floor == 0) | |
1da177e4 | 131 | fspace = 512*1024; |
29a9994b | 132 | else if (floor == 512*1024) |
1da177e4 LT |
133 | fspace = 128*1024; |
134 | ||
135 | /* And forget ROM space */ | |
29a9994b | 136 | |
1da177e4 | 137 | /* |
edc05e6d | 138 | * Now install the largest coverage we get |
1da177e4 | 139 | */ |
edc05e6d | 140 | if (fspace > high && fspace > low) { |
1da177e4 LT |
141 | centaur_mcr_insert(ct, floor, fspace, key); |
142 | floor += fspace; | |
edc05e6d | 143 | } else if (high > low) { |
1da177e4 LT |
144 | centaur_mcr_insert(ct, top, high, key); |
145 | top += high; | |
edc05e6d | 146 | } else if (low > 0) { |
1da177e4 LT |
147 | base -= low; |
148 | centaur_mcr_insert(ct, base, low, key); | |
edc05e6d IM |
149 | } else |
150 | break; | |
1da177e4 LT |
151 | ct++; |
152 | } | |
153 | /* | |
edc05e6d IM |
154 | * We loaded ct values. We now need to set the mask. The caller |
155 | * must do this bit. | |
1da177e4 | 156 | */ |
1da177e4 LT |
157 | return ct; |
158 | } | |
159 | ||
148f9bb8 | 160 | static void centaur_create_optimal_mcr(void) |
1da177e4 | 161 | { |
edc05e6d | 162 | int used; |
1da177e4 | 163 | int i; |
edc05e6d | 164 | |
1da177e4 | 165 | /* |
edc05e6d IM |
166 | * Allocate up to 6 mcrs to mark as much of ram as possible |
167 | * as write combining and weak write ordered. | |
1da177e4 | 168 | * |
edc05e6d IM |
169 | * To experiment with: Linux never uses stack operations for |
170 | * mmio spaces so we could globally enable stack operation wc | |
1da177e4 | 171 | * |
edc05e6d IM |
172 | * Load the registers with type 31 - full write combining, all |
173 | * writes weakly ordered. | |
1da177e4 | 174 | */ |
edc05e6d | 175 | used = centaur_mcr_compute(6, 31); |
1da177e4 LT |
176 | |
177 | /* | |
edc05e6d | 178 | * Wipe unused MCRs |
1da177e4 | 179 | */ |
29a9994b | 180 | for (i = used; i < 8; i++) |
1da177e4 LT |
181 | wrmsr(MSR_IDT_MCR0+i, 0, 0); |
182 | } | |
183 | ||
148f9bb8 | 184 | static void winchip2_create_optimal_mcr(void) |
1da177e4 LT |
185 | { |
186 | u32 lo, hi; | |
edc05e6d | 187 | int used; |
1da177e4 LT |
188 | int i; |
189 | ||
190 | /* | |
edc05e6d IM |
191 | * Allocate up to 6 mcrs to mark as much of ram as possible |
192 | * as write combining, weak store ordered. | |
1da177e4 | 193 | * |
edc05e6d IM |
194 | * Load the registers with type 25 |
195 | * 8 - weak write ordering | |
196 | * 16 - weak read ordering | |
197 | * 1 - write combining | |
1da177e4 | 198 | */ |
edc05e6d | 199 | used = centaur_mcr_compute(6, 25); |
29a9994b | 200 | |
1da177e4 | 201 | /* |
edc05e6d | 202 | * Mark the registers we are using. |
1da177e4 | 203 | */ |
1da177e4 | 204 | rdmsr(MSR_IDT_MCR_CTRL, lo, hi); |
29a9994b PC |
205 | for (i = 0; i < used; i++) |
206 | lo |= 1<<(9+i); | |
1da177e4 | 207 | wrmsr(MSR_IDT_MCR_CTRL, lo, hi); |
29a9994b | 208 | |
1da177e4 | 209 | /* |
edc05e6d | 210 | * Wipe unused MCRs |
1da177e4 | 211 | */ |
29a9994b PC |
212 | |
213 | for (i = used; i < 8; i++) | |
1da177e4 LT |
214 | wrmsr(MSR_IDT_MCR0+i, 0, 0); |
215 | } | |
216 | ||
217 | /* | |
edc05e6d | 218 | * Handle the MCR key on the Winchip 2. |
1da177e4 | 219 | */ |
148f9bb8 | 220 | static void winchip2_unprotect_mcr(void) |
1da177e4 LT |
221 | { |
222 | u32 lo, hi; | |
223 | u32 key; | |
29a9994b | 224 | |
1da177e4 | 225 | rdmsr(MSR_IDT_MCR_CTRL, lo, hi); |
29a9994b | 226 | lo &= ~0x1C0; /* blank bits 8-6 */ |
1da177e4 LT |
227 | key = (lo>>17) & 7; |
228 | lo |= key<<6; /* replace with unlock key */ | |
229 | wrmsr(MSR_IDT_MCR_CTRL, lo, hi); | |
230 | } | |
231 | ||
148f9bb8 | 232 | static void winchip2_protect_mcr(void) |
1da177e4 LT |
233 | { |
234 | u32 lo, hi; | |
29a9994b | 235 | |
1da177e4 | 236 | rdmsr(MSR_IDT_MCR_CTRL, lo, hi); |
29a9994b | 237 | lo &= ~0x1C0; /* blank bits 8-6 */ |
1da177e4 LT |
238 | wrmsr(MSR_IDT_MCR_CTRL, lo, hi); |
239 | } | |
240 | #endif /* CONFIG_X86_OOSTORE */ | |
241 | ||
242 | #define ACE_PRESENT (1 << 6) | |
243 | #define ACE_ENABLED (1 << 7) | |
244 | #define ACE_FCR (1 << 28) /* MSR_VIA_FCR */ | |
245 | ||
246 | #define RNG_PRESENT (1 << 2) | |
247 | #define RNG_ENABLED (1 << 3) | |
248 | #define RNG_ENABLE (1 << 6) /* MSR_VIA_RNG */ | |
249 | ||
148f9bb8 | 250 | static void init_c3(struct cpuinfo_x86 *c) |
1da177e4 LT |
251 | { |
252 | u32 lo, hi; | |
253 | ||
254 | /* Test for Centaur Extended Feature Flags presence */ | |
255 | if (cpuid_eax(0xC0000000) >= 0xC0000001) { | |
256 | u32 tmp = cpuid_edx(0xC0000001); | |
257 | ||
258 | /* enable ACE unit, if present and disabled */ | |
259 | if ((tmp & (ACE_PRESENT | ACE_ENABLED)) == ACE_PRESENT) { | |
29a9994b | 260 | rdmsr(MSR_VIA_FCR, lo, hi); |
1da177e4 | 261 | lo |= ACE_FCR; /* enable ACE unit */ |
29a9994b | 262 | wrmsr(MSR_VIA_FCR, lo, hi); |
1da177e4 LT |
263 | printk(KERN_INFO "CPU: Enabled ACE h/w crypto\n"); |
264 | } | |
265 | ||
266 | /* enable RNG unit, if present and disabled */ | |
267 | if ((tmp & (RNG_PRESENT | RNG_ENABLED)) == RNG_PRESENT) { | |
29a9994b | 268 | rdmsr(MSR_VIA_RNG, lo, hi); |
1da177e4 | 269 | lo |= RNG_ENABLE; /* enable RNG unit */ |
29a9994b | 270 | wrmsr(MSR_VIA_RNG, lo, hi); |
1da177e4 LT |
271 | printk(KERN_INFO "CPU: Enabled h/w RNG\n"); |
272 | } | |
273 | ||
274 | /* store Centaur Extended Feature Flags as | |
275 | * word 5 of the CPU capability bit array | |
276 | */ | |
277 | c->x86_capability[5] = cpuid_edx(0xC0000001); | |
278 | } | |
48f4c485 | 279 | #ifdef CONFIG_X86_32 |
27b46d76 | 280 | /* Cyrix III family needs CX8 & PGE explicitly enabled. */ |
cb3f718d | 281 | if (c->x86_model >= 6 && c->x86_model <= 13) { |
29a9994b | 282 | rdmsr(MSR_VIA_FCR, lo, hi); |
1da177e4 | 283 | lo |= (1<<1 | 1<<7); |
29a9994b | 284 | wrmsr(MSR_VIA_FCR, lo, hi); |
e1a94a97 | 285 | set_cpu_cap(c, X86_FEATURE_CX8); |
1da177e4 LT |
286 | } |
287 | ||
288 | /* Before Nehemiah, the C3's had 3dNOW! */ | |
29a9994b | 289 | if (c->x86_model >= 6 && c->x86_model < 9) |
e1a94a97 | 290 | set_cpu_cap(c, X86_FEATURE_3DNOW); |
48f4c485 SAS |
291 | #endif |
292 | if (c->x86 == 0x6 && c->x86_model >= 0xf) { | |
293 | c->x86_cache_alignment = c->x86_clflush_size * 2; | |
294 | set_cpu_cap(c, X86_FEATURE_REP_GOOD); | |
295 | } | |
1da177e4 | 296 | |
27c13ece | 297 | cpu_detect_cache_sizes(c); |
1da177e4 LT |
298 | } |
299 | ||
edc05e6d IM |
300 | enum { |
301 | ECX8 = 1<<1, | |
302 | EIERRINT = 1<<2, | |
303 | DPM = 1<<3, | |
304 | DMCE = 1<<4, | |
305 | DSTPCLK = 1<<5, | |
306 | ELINEAR = 1<<6, | |
307 | DSMC = 1<<7, | |
308 | DTLOCK = 1<<8, | |
309 | EDCTLB = 1<<8, | |
310 | EMMX = 1<<9, | |
311 | DPDC = 1<<11, | |
312 | EBRPRED = 1<<12, | |
313 | DIC = 1<<13, | |
314 | DDC = 1<<14, | |
315 | DNA = 1<<15, | |
316 | ERETSTK = 1<<16, | |
317 | E2MMX = 1<<19, | |
318 | EAMD3D = 1<<20, | |
319 | }; | |
320 | ||
148f9bb8 | 321 | static void early_init_centaur(struct cpuinfo_x86 *c) |
5fef55fd YL |
322 | { |
323 | switch (c->x86) { | |
48f4c485 | 324 | #ifdef CONFIG_X86_32 |
5fef55fd YL |
325 | case 5: |
326 | /* Emulate MTRRs using Centaur's MCR. */ | |
327 | set_cpu_cap(c, X86_FEATURE_CENTAUR_MCR); | |
328 | break; | |
48f4c485 SAS |
329 | #endif |
330 | case 6: | |
331 | if (c->x86_model >= 0xf) | |
332 | set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); | |
333 | break; | |
5fef55fd | 334 | } |
48f4c485 SAS |
335 | #ifdef CONFIG_X86_64 |
336 | set_cpu_cap(c, X86_FEATURE_SYSENTER32); | |
337 | #endif | |
5fef55fd YL |
338 | } |
339 | ||
148f9bb8 | 340 | static void init_centaur(struct cpuinfo_x86 *c) |
1da177e4 | 341 | { |
48f4c485 | 342 | #ifdef CONFIG_X86_32 |
1da177e4 | 343 | char *name; |
29a9994b PC |
344 | u32 fcr_set = 0; |
345 | u32 fcr_clr = 0; | |
346 | u32 lo, hi, newlo; | |
347 | u32 aa, bb, cc, dd; | |
1da177e4 | 348 | |
edc05e6d IM |
349 | /* |
350 | * Bit 31 in normal CPUID used for nonstandard 3DNow ID; | |
351 | * 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway | |
352 | */ | |
e1a94a97 | 353 | clear_cpu_cap(c, 0*32+31); |
48f4c485 SAS |
354 | #endif |
355 | early_init_centaur(c); | |
1da177e4 | 356 | switch (c->x86) { |
48f4c485 | 357 | #ifdef CONFIG_X86_32 |
29a9994b | 358 | case 5: |
edc05e6d IM |
359 | switch (c->x86_model) { |
360 | case 4: | |
361 | name = "C6"; | |
362 | fcr_set = ECX8|DSMC|EDCTLB|EMMX|ERETSTK; | |
363 | fcr_clr = DPDC; | |
364 | printk(KERN_NOTICE "Disabling bugged TSC.\n"); | |
e1a94a97 | 365 | clear_cpu_cap(c, X86_FEATURE_TSC); |
1da177e4 | 366 | #ifdef CONFIG_X86_OOSTORE |
edc05e6d IM |
367 | centaur_create_optimal_mcr(); |
368 | /* | |
369 | * Enable: | |
370 | * write combining on non-stack, non-string | |
371 | * write combining on string, all types | |
372 | * weak write ordering | |
373 | * | |
374 | * The C6 original lacks weak read order | |
375 | * | |
376 | * Note 0x120 is write only on Winchip 1 | |
377 | */ | |
378 | wrmsr(MSR_IDT_MCR_CTRL, 0x01F0001F, 0); | |
29a9994b | 379 | #endif |
edc05e6d IM |
380 | break; |
381 | case 8: | |
382 | switch (c->x86_mask) { | |
383 | default: | |
384 | name = "2"; | |
1da177e4 | 385 | break; |
edc05e6d IM |
386 | case 7 ... 9: |
387 | name = "2A"; | |
388 | break; | |
389 | case 10 ... 15: | |
390 | name = "2B"; | |
391 | break; | |
392 | } | |
393 | fcr_set = ECX8|DSMC|DTLOCK|EMMX|EBRPRED|ERETSTK| | |
394 | E2MMX|EAMD3D; | |
395 | fcr_clr = DPDC; | |
1da177e4 | 396 | #ifdef CONFIG_X86_OOSTORE |
edc05e6d IM |
397 | winchip2_unprotect_mcr(); |
398 | winchip2_create_optimal_mcr(); | |
399 | rdmsr(MSR_IDT_MCR_CTRL, lo, hi); | |
400 | /* | |
401 | * Enable: | |
402 | * write combining on non-stack, non-string | |
403 | * write combining on string, all types | |
404 | * weak write ordering | |
405 | */ | |
406 | lo |= 31; | |
407 | wrmsr(MSR_IDT_MCR_CTRL, lo, hi); | |
408 | winchip2_protect_mcr(); | |
1da177e4 | 409 | #endif |
edc05e6d IM |
410 | break; |
411 | case 9: | |
412 | name = "3"; | |
413 | fcr_set = ECX8|DSMC|DTLOCK|EMMX|EBRPRED|ERETSTK| | |
414 | E2MMX|EAMD3D; | |
415 | fcr_clr = DPDC; | |
1da177e4 | 416 | #ifdef CONFIG_X86_OOSTORE |
edc05e6d IM |
417 | winchip2_unprotect_mcr(); |
418 | winchip2_create_optimal_mcr(); | |
419 | rdmsr(MSR_IDT_MCR_CTRL, lo, hi); | |
420 | /* | |
421 | * Enable: | |
422 | * write combining on non-stack, non-string | |
423 | * write combining on string, all types | |
424 | * weak write ordering | |
425 | */ | |
426 | lo |= 31; | |
427 | wrmsr(MSR_IDT_MCR_CTRL, lo, hi); | |
428 | winchip2_protect_mcr(); | |
1da177e4 | 429 | #endif |
edc05e6d IM |
430 | break; |
431 | default: | |
432 | name = "??"; | |
433 | } | |
1da177e4 | 434 | |
edc05e6d IM |
435 | rdmsr(MSR_IDT_FCR1, lo, hi); |
436 | newlo = (lo|fcr_set) & (~fcr_clr); | |
1da177e4 | 437 | |
edc05e6d IM |
438 | if (newlo != lo) { |
439 | printk(KERN_INFO "Centaur FCR was 0x%X now 0x%X\n", | |
440 | lo, newlo); | |
441 | wrmsr(MSR_IDT_FCR1, newlo, hi); | |
442 | } else { | |
443 | printk(KERN_INFO "Centaur FCR is 0x%X\n", lo); | |
444 | } | |
445 | /* Emulate MTRRs using Centaur's MCR. */ | |
e1a94a97 | 446 | set_cpu_cap(c, X86_FEATURE_CENTAUR_MCR); |
edc05e6d | 447 | /* Report CX8 */ |
e1a94a97 | 448 | set_cpu_cap(c, X86_FEATURE_CX8); |
edc05e6d IM |
449 | /* Set 3DNow! on Winchip 2 and above. */ |
450 | if (c->x86_model >= 8) | |
e1a94a97 | 451 | set_cpu_cap(c, X86_FEATURE_3DNOW); |
edc05e6d IM |
452 | /* See if we can find out some more. */ |
453 | if (cpuid_eax(0x80000000) >= 0x80000005) { | |
454 | /* Yes, we can. */ | |
455 | cpuid(0x80000005, &aa, &bb, &cc, &dd); | |
456 | /* Add L1 data and code cache sizes. */ | |
457 | c->x86_cache_size = (cc>>24)+(dd>>24); | |
458 | } | |
459 | sprintf(c->x86_model_id, "WinChip %s", name); | |
460 | break; | |
48f4c485 | 461 | #endif |
29a9994b | 462 | case 6: |
edc05e6d IM |
463 | init_c3(c); |
464 | break; | |
1da177e4 | 465 | } |
48f4c485 SAS |
466 | #ifdef CONFIG_X86_64 |
467 | set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); | |
468 | #endif | |
1da177e4 LT |
469 | } |
470 | ||
148f9bb8 | 471 | static unsigned int |
edc05e6d | 472 | centaur_size_cache(struct cpuinfo_x86 *c, unsigned int size) |
1da177e4 | 473 | { |
48f4c485 | 474 | #ifdef CONFIG_X86_32 |
1da177e4 LT |
475 | /* VIA C3 CPUs (670-68F) need further shifting. */ |
476 | if ((c->x86 == 6) && ((c->x86_model == 7) || (c->x86_model == 8))) | |
477 | size >>= 8; | |
478 | ||
edc05e6d IM |
479 | /* |
480 | * There's also an erratum in Nehemiah stepping 1, which | |
481 | * returns '65KB' instead of '64KB' | |
482 | * - Note, it seems this may only be in engineering samples. | |
483 | */ | |
484 | if ((c->x86 == 6) && (c->x86_model == 9) && | |
485 | (c->x86_mask == 1) && (size == 65)) | |
29a9994b | 486 | size -= 1; |
48f4c485 | 487 | #endif |
1da177e4 LT |
488 | return size; |
489 | } | |
490 | ||
148f9bb8 | 491 | static const struct cpu_dev centaur_cpu_dev = { |
1da177e4 LT |
492 | .c_vendor = "Centaur", |
493 | .c_ident = { "CentaurHauls" }, | |
5fef55fd | 494 | .c_early_init = early_init_centaur, |
1da177e4 LT |
495 | .c_init = init_centaur, |
496 | .c_size_cache = centaur_size_cache, | |
10a434fc | 497 | .c_x86_vendor = X86_VENDOR_CENTAUR, |
1da177e4 LT |
498 | }; |
499 | ||
10a434fc | 500 | cpu_dev_register(centaur_cpu_dev); |