| 1 | /* leon_smp.c: Sparc-Leon SMP support. |
| 2 | * |
| 3 | * based on sun4m_smp.c |
| 4 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) |
| 5 | * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB |
| 6 | * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB |
| 7 | */ |
| 8 | |
| 9 | #include <asm/head.h> |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/sched.h> |
| 13 | #include <linux/threads.h> |
| 14 | #include <linux/smp.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/kernel_stat.h> |
| 17 | #include <linux/of.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/spinlock.h> |
| 20 | #include <linux/mm.h> |
| 21 | #include <linux/swap.h> |
| 22 | #include <linux/profile.h> |
| 23 | #include <linux/pm.h> |
| 24 | #include <linux/delay.h> |
| 25 | #include <linux/gfp.h> |
| 26 | |
| 27 | #include <asm/cacheflush.h> |
| 28 | #include <asm/tlbflush.h> |
| 29 | |
| 30 | #include <asm/ptrace.h> |
| 31 | #include <asm/atomic.h> |
| 32 | #include <asm/irq_regs.h> |
| 33 | #include <asm/traps.h> |
| 34 | |
| 35 | #include <asm/delay.h> |
| 36 | #include <asm/irq.h> |
| 37 | #include <asm/page.h> |
| 38 | #include <asm/pgalloc.h> |
| 39 | #include <asm/pgtable.h> |
| 40 | #include <asm/oplib.h> |
| 41 | #include <asm/cpudata.h> |
| 42 | #include <asm/asi.h> |
| 43 | #include <asm/leon.h> |
| 44 | #include <asm/leon_amba.h> |
| 45 | |
| 46 | #include "kernel.h" |
| 47 | |
| 48 | #ifdef CONFIG_SPARC_LEON |
| 49 | |
| 50 | #include "irq.h" |
| 51 | |
| 52 | extern ctxd_t *srmmu_ctx_table_phys; |
| 53 | static int smp_processors_ready; |
| 54 | extern volatile unsigned long cpu_callin_map[NR_CPUS]; |
| 55 | extern cpumask_t smp_commenced_mask; |
| 56 | void __init leon_configure_cache_smp(void); |
| 57 | static void leon_ipi_init(void); |
| 58 | |
| 59 | /* IRQ number of LEON IPIs */ |
| 60 | int leon_ipi_irq = LEON3_IRQ_IPI_DEFAULT; |
| 61 | |
| 62 | static inline unsigned long do_swap(volatile unsigned long *ptr, |
| 63 | unsigned long val) |
| 64 | { |
| 65 | __asm__ __volatile__("swapa [%2] %3, %0\n\t" : "=&r"(val) |
| 66 | : "0"(val), "r"(ptr), "i"(ASI_LEON_DCACHE_MISS) |
| 67 | : "memory"); |
| 68 | return val; |
| 69 | } |
| 70 | |
| 71 | static void smp_setup_percpu_timer(void); |
| 72 | |
| 73 | void __cpuinit leon_callin(void) |
| 74 | { |
| 75 | int cpuid = hard_smpleon_processor_id(); |
| 76 | |
| 77 | local_flush_cache_all(); |
| 78 | local_flush_tlb_all(); |
| 79 | leon_configure_cache_smp(); |
| 80 | |
| 81 | /* Get our local ticker going. */ |
| 82 | smp_setup_percpu_timer(); |
| 83 | |
| 84 | calibrate_delay(); |
| 85 | smp_store_cpu_info(cpuid); |
| 86 | |
| 87 | local_flush_cache_all(); |
| 88 | local_flush_tlb_all(); |
| 89 | |
| 90 | /* |
| 91 | * Unblock the master CPU _only_ when the scheduler state |
| 92 | * of all secondary CPUs will be up-to-date, so after |
| 93 | * the SMP initialization the master will be just allowed |
| 94 | * to call the scheduler code. |
| 95 | * Allow master to continue. |
| 96 | */ |
| 97 | do_swap(&cpu_callin_map[cpuid], 1); |
| 98 | |
| 99 | local_flush_cache_all(); |
| 100 | local_flush_tlb_all(); |
| 101 | |
| 102 | /* Fix idle thread fields. */ |
| 103 | __asm__ __volatile__("ld [%0], %%g6\n\t" : : "r"(¤t_set[cpuid]) |
| 104 | : "memory" /* paranoid */); |
| 105 | |
| 106 | /* Attach to the address space of init_task. */ |
| 107 | atomic_inc(&init_mm.mm_count); |
| 108 | current->active_mm = &init_mm; |
| 109 | |
| 110 | while (!cpu_isset(cpuid, smp_commenced_mask)) |
| 111 | mb(); |
| 112 | |
| 113 | local_irq_enable(); |
| 114 | cpu_set(cpuid, cpu_online_map); |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * Cycle through the processors asking the PROM to start each one. |
| 119 | */ |
| 120 | |
| 121 | extern struct linux_prom_registers smp_penguin_ctable; |
| 122 | |
| 123 | void __init leon_configure_cache_smp(void) |
| 124 | { |
| 125 | unsigned long cfg = sparc_leon3_get_dcachecfg(); |
| 126 | int me = smp_processor_id(); |
| 127 | |
| 128 | if (ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg) > 4) { |
| 129 | printk(KERN_INFO "Note: SMP with snooping only works on 4k cache, found %dk(0x%x) on cpu %d, disabling caches\n", |
| 130 | (unsigned int)ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg), |
| 131 | (unsigned int)cfg, (unsigned int)me); |
| 132 | sparc_leon3_disable_cache(); |
| 133 | } else { |
| 134 | if (cfg & ASI_LEON3_SYSCTRL_CFG_SNOOPING) { |
| 135 | sparc_leon3_enable_snooping(); |
| 136 | } else { |
| 137 | printk(KERN_INFO "Note: You have to enable snooping in the vhdl model cpu %d, disabling caches\n", |
| 138 | me); |
| 139 | sparc_leon3_disable_cache(); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | local_flush_cache_all(); |
| 144 | local_flush_tlb_all(); |
| 145 | } |
| 146 | |
| 147 | void leon_smp_setbroadcast(unsigned int mask) |
| 148 | { |
| 149 | int broadcast = |
| 150 | ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >> |
| 151 | LEON3_IRQMPSTATUS_BROADCAST) & 1); |
| 152 | if (!broadcast) { |
| 153 | prom_printf("######## !!!! The irqmp-ctrl must have broadcast enabled, smp wont work !!!!! ####### nr cpus: %d\n", |
| 154 | leon_smp_nrcpus()); |
| 155 | if (leon_smp_nrcpus() > 1) { |
| 156 | BUG(); |
| 157 | } else { |
| 158 | prom_printf("continue anyway\n"); |
| 159 | return; |
| 160 | } |
| 161 | } |
| 162 | LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpbroadcast), mask); |
| 163 | } |
| 164 | |
| 165 | unsigned int leon_smp_getbroadcast(void) |
| 166 | { |
| 167 | unsigned int mask; |
| 168 | mask = LEON_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpbroadcast)); |
| 169 | return mask; |
| 170 | } |
| 171 | |
| 172 | int leon_smp_nrcpus(void) |
| 173 | { |
| 174 | int nrcpu = |
| 175 | ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >> |
| 176 | LEON3_IRQMPSTATUS_CPUNR) & 0xf) + 1; |
| 177 | return nrcpu; |
| 178 | } |
| 179 | |
| 180 | void __init leon_boot_cpus(void) |
| 181 | { |
| 182 | int nrcpu = leon_smp_nrcpus(); |
| 183 | int me = smp_processor_id(); |
| 184 | |
| 185 | /* Setup IPI */ |
| 186 | leon_ipi_init(); |
| 187 | |
| 188 | printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x\n", (unsigned int)me, |
| 189 | (unsigned int)nrcpu, (unsigned int)NR_CPUS, |
| 190 | (unsigned int)&(leon3_irqctrl_regs->mpstatus)); |
| 191 | |
| 192 | leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, me); |
| 193 | leon_enable_irq_cpu(LEON3_IRQ_TICKER, me); |
| 194 | leon_enable_irq_cpu(leon_ipi_irq, me); |
| 195 | |
| 196 | leon_smp_setbroadcast(1 << LEON3_IRQ_TICKER); |
| 197 | |
| 198 | leon_configure_cache_smp(); |
| 199 | smp_setup_percpu_timer(); |
| 200 | local_flush_cache_all(); |
| 201 | |
| 202 | } |
| 203 | |
| 204 | int __cpuinit leon_boot_one_cpu(int i) |
| 205 | { |
| 206 | |
| 207 | struct task_struct *p; |
| 208 | int timeout; |
| 209 | |
| 210 | /* Cook up an idler for this guy. */ |
| 211 | p = fork_idle(i); |
| 212 | |
| 213 | current_set[i] = task_thread_info(p); |
| 214 | |
| 215 | /* See trampoline.S:leon_smp_cpu_startup for details... |
| 216 | * Initialize the contexts table |
| 217 | * Since the call to prom_startcpu() trashes the structure, |
| 218 | * we need to re-initialize it for each cpu |
| 219 | */ |
| 220 | smp_penguin_ctable.which_io = 0; |
| 221 | smp_penguin_ctable.phys_addr = (unsigned int)srmmu_ctx_table_phys; |
| 222 | smp_penguin_ctable.reg_size = 0; |
| 223 | |
| 224 | /* whirrr, whirrr, whirrrrrrrrr... */ |
| 225 | printk(KERN_INFO "Starting CPU %d : (irqmp: 0x%x)\n", (unsigned int)i, |
| 226 | (unsigned int)&leon3_irqctrl_regs->mpstatus); |
| 227 | local_flush_cache_all(); |
| 228 | |
| 229 | /* Make sure all IRQs are of from the start for this new CPU */ |
| 230 | LEON_BYPASS_STORE_PA(&leon3_irqctrl_regs->mask[i], 0); |
| 231 | |
| 232 | /* Wake one CPU */ |
| 233 | LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpstatus), 1 << i); |
| 234 | |
| 235 | /* wheee... it's going... */ |
| 236 | for (timeout = 0; timeout < 10000; timeout++) { |
| 237 | if (cpu_callin_map[i]) |
| 238 | break; |
| 239 | udelay(200); |
| 240 | } |
| 241 | printk(KERN_INFO "Started CPU %d\n", (unsigned int)i); |
| 242 | |
| 243 | if (!(cpu_callin_map[i])) { |
| 244 | printk(KERN_ERR "Processor %d is stuck.\n", i); |
| 245 | return -ENODEV; |
| 246 | } else { |
| 247 | leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, i); |
| 248 | leon_enable_irq_cpu(LEON3_IRQ_TICKER, i); |
| 249 | leon_enable_irq_cpu(leon_ipi_irq, i); |
| 250 | } |
| 251 | |
| 252 | local_flush_cache_all(); |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | void __init leon_smp_done(void) |
| 257 | { |
| 258 | |
| 259 | int i, first; |
| 260 | int *prev; |
| 261 | |
| 262 | /* setup cpu list for irq rotation */ |
| 263 | first = 0; |
| 264 | prev = &first; |
| 265 | for (i = 0; i < NR_CPUS; i++) { |
| 266 | if (cpu_online(i)) { |
| 267 | *prev = i; |
| 268 | prev = &cpu_data(i).next; |
| 269 | } |
| 270 | } |
| 271 | *prev = first; |
| 272 | local_flush_cache_all(); |
| 273 | |
| 274 | /* Free unneeded trap tables */ |
| 275 | if (!cpu_isset(1, cpu_present_map)) { |
| 276 | ClearPageReserved(virt_to_page(&trapbase_cpu1)); |
| 277 | init_page_count(virt_to_page(&trapbase_cpu1)); |
| 278 | free_page((unsigned long)&trapbase_cpu1); |
| 279 | totalram_pages++; |
| 280 | num_physpages++; |
| 281 | } |
| 282 | if (!cpu_isset(2, cpu_present_map)) { |
| 283 | ClearPageReserved(virt_to_page(&trapbase_cpu2)); |
| 284 | init_page_count(virt_to_page(&trapbase_cpu2)); |
| 285 | free_page((unsigned long)&trapbase_cpu2); |
| 286 | totalram_pages++; |
| 287 | num_physpages++; |
| 288 | } |
| 289 | if (!cpu_isset(3, cpu_present_map)) { |
| 290 | ClearPageReserved(virt_to_page(&trapbase_cpu3)); |
| 291 | init_page_count(virt_to_page(&trapbase_cpu3)); |
| 292 | free_page((unsigned long)&trapbase_cpu3); |
| 293 | totalram_pages++; |
| 294 | num_physpages++; |
| 295 | } |
| 296 | /* Ok, they are spinning and ready to go. */ |
| 297 | smp_processors_ready = 1; |
| 298 | |
| 299 | } |
| 300 | |
| 301 | void leon_irq_rotate(int cpu) |
| 302 | { |
| 303 | } |
| 304 | |
| 305 | struct leon_ipi_work { |
| 306 | int single; |
| 307 | int msk; |
| 308 | int resched; |
| 309 | }; |
| 310 | |
| 311 | static DEFINE_PER_CPU_SHARED_ALIGNED(struct leon_ipi_work, leon_ipi_work); |
| 312 | |
| 313 | /* Initialize IPIs on the LEON, in order to save IRQ resources only one IRQ |
| 314 | * is used for all three types of IPIs. |
| 315 | */ |
| 316 | static void __init leon_ipi_init(void) |
| 317 | { |
| 318 | int cpu, len; |
| 319 | struct leon_ipi_work *work; |
| 320 | struct property *pp; |
| 321 | struct device_node *rootnp; |
| 322 | struct tt_entry *trap_table; |
| 323 | unsigned long flags; |
| 324 | |
| 325 | /* Find IPI IRQ or stick with default value */ |
| 326 | rootnp = of_find_node_by_path("/ambapp0"); |
| 327 | if (rootnp) { |
| 328 | pp = of_find_property(rootnp, "ipi_num", &len); |
| 329 | if (pp && (*(int *)pp->value)) |
| 330 | leon_ipi_irq = *(int *)pp->value; |
| 331 | } |
| 332 | printk(KERN_INFO "leon: SMP IPIs at IRQ %d\n", leon_ipi_irq); |
| 333 | |
| 334 | /* Adjust so that we jump directly to smpleon_ipi */ |
| 335 | local_irq_save(flags); |
| 336 | trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (leon_ipi_irq - 1)]; |
| 337 | trap_table->inst_three += smpleon_ipi - real_irq_entry; |
| 338 | local_flush_cache_all(); |
| 339 | local_irq_restore(flags); |
| 340 | |
| 341 | for_each_possible_cpu(cpu) { |
| 342 | work = &per_cpu(leon_ipi_work, cpu); |
| 343 | work->single = work->msk = work->resched = 0; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | static void leon_ipi_single(int cpu) |
| 348 | { |
| 349 | struct leon_ipi_work *work = &per_cpu(leon_ipi_work, cpu); |
| 350 | |
| 351 | /* Mark work */ |
| 352 | work->single = 1; |
| 353 | |
| 354 | /* Generate IRQ on the CPU */ |
| 355 | set_cpu_int(cpu, leon_ipi_irq); |
| 356 | } |
| 357 | |
| 358 | static void leon_ipi_mask_one(int cpu) |
| 359 | { |
| 360 | struct leon_ipi_work *work = &per_cpu(leon_ipi_work, cpu); |
| 361 | |
| 362 | /* Mark work */ |
| 363 | work->msk = 1; |
| 364 | |
| 365 | /* Generate IRQ on the CPU */ |
| 366 | set_cpu_int(cpu, leon_ipi_irq); |
| 367 | } |
| 368 | |
| 369 | static void leon_ipi_resched(int cpu) |
| 370 | { |
| 371 | struct leon_ipi_work *work = &per_cpu(leon_ipi_work, cpu); |
| 372 | |
| 373 | /* Mark work */ |
| 374 | work->resched = 1; |
| 375 | |
| 376 | /* Generate IRQ on the CPU (any IRQ will cause resched) */ |
| 377 | set_cpu_int(cpu, leon_ipi_irq); |
| 378 | } |
| 379 | |
| 380 | void leonsmp_ipi_interrupt(void) |
| 381 | { |
| 382 | struct leon_ipi_work *work = &__get_cpu_var(leon_ipi_work); |
| 383 | |
| 384 | if (work->single) { |
| 385 | work->single = 0; |
| 386 | smp_call_function_single_interrupt(); |
| 387 | } |
| 388 | if (work->msk) { |
| 389 | work->msk = 0; |
| 390 | smp_call_function_interrupt(); |
| 391 | } |
| 392 | if (work->resched) { |
| 393 | work->resched = 0; |
| 394 | smp_resched_interrupt(); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | static struct smp_funcall { |
| 399 | smpfunc_t func; |
| 400 | unsigned long arg1; |
| 401 | unsigned long arg2; |
| 402 | unsigned long arg3; |
| 403 | unsigned long arg4; |
| 404 | unsigned long arg5; |
| 405 | unsigned long processors_in[NR_CPUS]; /* Set when ipi entered. */ |
| 406 | unsigned long processors_out[NR_CPUS]; /* Set when ipi exited. */ |
| 407 | } ccall_info; |
| 408 | |
| 409 | static DEFINE_SPINLOCK(cross_call_lock); |
| 410 | |
| 411 | /* Cross calls must be serialized, at least currently. */ |
| 412 | static void leon_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, |
| 413 | unsigned long arg2, unsigned long arg3, |
| 414 | unsigned long arg4) |
| 415 | { |
| 416 | if (smp_processors_ready) { |
| 417 | register int high = NR_CPUS - 1; |
| 418 | unsigned long flags; |
| 419 | |
| 420 | spin_lock_irqsave(&cross_call_lock, flags); |
| 421 | |
| 422 | { |
| 423 | /* If you make changes here, make sure gcc generates proper code... */ |
| 424 | register smpfunc_t f asm("i0") = func; |
| 425 | register unsigned long a1 asm("i1") = arg1; |
| 426 | register unsigned long a2 asm("i2") = arg2; |
| 427 | register unsigned long a3 asm("i3") = arg3; |
| 428 | register unsigned long a4 asm("i4") = arg4; |
| 429 | register unsigned long a5 asm("i5") = 0; |
| 430 | |
| 431 | __asm__ __volatile__("std %0, [%6]\n\t" |
| 432 | "std %2, [%6 + 8]\n\t" |
| 433 | "std %4, [%6 + 16]\n\t" : : |
| 434 | "r"(f), "r"(a1), "r"(a2), "r"(a3), |
| 435 | "r"(a4), "r"(a5), |
| 436 | "r"(&ccall_info.func)); |
| 437 | } |
| 438 | |
| 439 | /* Init receive/complete mapping, plus fire the IPI's off. */ |
| 440 | { |
| 441 | register int i; |
| 442 | |
| 443 | cpu_clear(smp_processor_id(), mask); |
| 444 | cpus_and(mask, cpu_online_map, mask); |
| 445 | for (i = 0; i <= high; i++) { |
| 446 | if (cpu_isset(i, mask)) { |
| 447 | ccall_info.processors_in[i] = 0; |
| 448 | ccall_info.processors_out[i] = 0; |
| 449 | set_cpu_int(i, LEON3_IRQ_CROSS_CALL); |
| 450 | |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | { |
| 456 | register int i; |
| 457 | |
| 458 | i = 0; |
| 459 | do { |
| 460 | if (!cpu_isset(i, mask)) |
| 461 | continue; |
| 462 | |
| 463 | while (!ccall_info.processors_in[i]) |
| 464 | barrier(); |
| 465 | } while (++i <= high); |
| 466 | |
| 467 | i = 0; |
| 468 | do { |
| 469 | if (!cpu_isset(i, mask)) |
| 470 | continue; |
| 471 | |
| 472 | while (!ccall_info.processors_out[i]) |
| 473 | barrier(); |
| 474 | } while (++i <= high); |
| 475 | } |
| 476 | |
| 477 | spin_unlock_irqrestore(&cross_call_lock, flags); |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | /* Running cross calls. */ |
| 482 | void leon_cross_call_irq(void) |
| 483 | { |
| 484 | int i = smp_processor_id(); |
| 485 | |
| 486 | ccall_info.processors_in[i] = 1; |
| 487 | ccall_info.func(ccall_info.arg1, ccall_info.arg2, ccall_info.arg3, |
| 488 | ccall_info.arg4, ccall_info.arg5); |
| 489 | ccall_info.processors_out[i] = 1; |
| 490 | } |
| 491 | |
| 492 | irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused) |
| 493 | { |
| 494 | int cpu = smp_processor_id(); |
| 495 | |
| 496 | leon_clear_profile_irq(cpu); |
| 497 | |
| 498 | profile_tick(CPU_PROFILING); |
| 499 | |
| 500 | if (!--prof_counter(cpu)) { |
| 501 | int user = user_mode(get_irq_regs()); |
| 502 | |
| 503 | update_process_times(user); |
| 504 | |
| 505 | prof_counter(cpu) = prof_multiplier(cpu); |
| 506 | } |
| 507 | |
| 508 | return IRQ_HANDLED; |
| 509 | } |
| 510 | |
| 511 | static void __init smp_setup_percpu_timer(void) |
| 512 | { |
| 513 | int cpu = smp_processor_id(); |
| 514 | |
| 515 | prof_counter(cpu) = prof_multiplier(cpu) = 1; |
| 516 | } |
| 517 | |
| 518 | void __init leon_blackbox_id(unsigned *addr) |
| 519 | { |
| 520 | int rd = *addr & 0x3e000000; |
| 521 | int rs1 = rd >> 11; |
| 522 | |
| 523 | /* patch places where ___b_hard_smp_processor_id appears */ |
| 524 | addr[0] = 0x81444000 | rd; /* rd %asr17, reg */ |
| 525 | addr[1] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */ |
| 526 | addr[2] = 0x01000000; /* nop */ |
| 527 | } |
| 528 | |
| 529 | void __init leon_blackbox_current(unsigned *addr) |
| 530 | { |
| 531 | int rd = *addr & 0x3e000000; |
| 532 | int rs1 = rd >> 11; |
| 533 | |
| 534 | /* patch LOAD_CURRENT macro where ___b_load_current appears */ |
| 535 | addr[0] = 0x81444000 | rd; /* rd %asr17, reg */ |
| 536 | addr[2] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */ |
| 537 | addr[4] = 0x81282002 | rd | rs1; /* sll reg, 0x2, reg */ |
| 538 | |
| 539 | } |
| 540 | |
| 541 | void __init leon_init_smp(void) |
| 542 | { |
| 543 | /* Patch ipi15 trap table */ |
| 544 | t_nmi[1] = t_nmi[1] + (linux_trap_ipi15_leon - linux_trap_ipi15_sun4m); |
| 545 | |
| 546 | BTFIXUPSET_BLACKBOX(hard_smp_processor_id, leon_blackbox_id); |
| 547 | BTFIXUPSET_BLACKBOX(load_current, leon_blackbox_current); |
| 548 | BTFIXUPSET_CALL(smp_cross_call, leon_cross_call, BTFIXUPCALL_NORM); |
| 549 | BTFIXUPSET_CALL(__hard_smp_processor_id, __leon_processor_id, |
| 550 | BTFIXUPCALL_NORM); |
| 551 | BTFIXUPSET_CALL(smp_ipi_resched, leon_ipi_resched, BTFIXUPCALL_NORM); |
| 552 | BTFIXUPSET_CALL(smp_ipi_single, leon_ipi_single, BTFIXUPCALL_NORM); |
| 553 | BTFIXUPSET_CALL(smp_ipi_mask_one, leon_ipi_mask_one, BTFIXUPCALL_NORM); |
| 554 | } |
| 555 | |
| 556 | #endif /* CONFIG_SPARC_LEON */ |