1 /*
2 * SPU core / file system interface and HW structures
3 *
4 * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
5 *
6 * Author: Arnd Bergmann <arndb@de.ibm.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #ifndef _SPU_H
24 #define _SPU_H
25 #ifdef __KERNEL__
26
27 #include <linux/workqueue.h>
28 #include <linux/sysdev.h>
29
30 #define LS_SIZE (256 * 1024)
31 #define LS_ADDR_MASK (LS_SIZE - 1)
32
33 #define MFC_PUT_CMD 0x20
34 #define MFC_PUTS_CMD 0x28
35 #define MFC_PUTR_CMD 0x30
36 #define MFC_PUTF_CMD 0x22
37 #define MFC_PUTB_CMD 0x21
38 #define MFC_PUTFS_CMD 0x2A
39 #define MFC_PUTBS_CMD 0x29
40 #define MFC_PUTRF_CMD 0x32
41 #define MFC_PUTRB_CMD 0x31
42 #define MFC_PUTL_CMD 0x24
43 #define MFC_PUTRL_CMD 0x34
44 #define MFC_PUTLF_CMD 0x26
45 #define MFC_PUTLB_CMD 0x25
46 #define MFC_PUTRLF_CMD 0x36
47 #define MFC_PUTRLB_CMD 0x35
48
49 #define MFC_GET_CMD 0x40
50 #define MFC_GETS_CMD 0x48
51 #define MFC_GETF_CMD 0x42
52 #define MFC_GETB_CMD 0x41
53 #define MFC_GETFS_CMD 0x4A
54 #define MFC_GETBS_CMD 0x49
55 #define MFC_GETL_CMD 0x44
56 #define MFC_GETLF_CMD 0x46
57 #define MFC_GETLB_CMD 0x45
58
59 #define MFC_SDCRT_CMD 0x80
60 #define MFC_SDCRTST_CMD 0x81
61 #define MFC_SDCRZ_CMD 0x89
62 #define MFC_SDCRS_CMD 0x8D
63 #define MFC_SDCRF_CMD 0x8F
64
65 #define MFC_GETLLAR_CMD 0xD0
66 #define MFC_PUTLLC_CMD 0xB4
67 #define MFC_PUTLLUC_CMD 0xB0
68 #define MFC_PUTQLLUC_CMD 0xB8
69 #define MFC_SNDSIG_CMD 0xA0
70 #define MFC_SNDSIGB_CMD 0xA1
71 #define MFC_SNDSIGF_CMD 0xA2
72 #define MFC_BARRIER_CMD 0xC0
73 #define MFC_EIEIO_CMD 0xC8
74 #define MFC_SYNC_CMD 0xCC
75
76 #define MFC_MIN_DMA_SIZE_SHIFT 4 /* 16 bytes */
77 #define MFC_MAX_DMA_SIZE_SHIFT 14 /* 16384 bytes */
78 #define MFC_MIN_DMA_SIZE (1 << MFC_MIN_DMA_SIZE_SHIFT)
79 #define MFC_MAX_DMA_SIZE (1 << MFC_MAX_DMA_SIZE_SHIFT)
80 #define MFC_MIN_DMA_SIZE_MASK (MFC_MIN_DMA_SIZE - 1)
81 #define MFC_MAX_DMA_SIZE_MASK (MFC_MAX_DMA_SIZE - 1)
82 #define MFC_MIN_DMA_LIST_SIZE 0x0008 /* 8 bytes */
83 #define MFC_MAX_DMA_LIST_SIZE 0x4000 /* 16K bytes */
84
85 #define MFC_TAGID_TO_TAGMASK(tag_id) (1 << (tag_id & 0x1F))
86
87 /* Events for Channels 0-2 */
88 #define MFC_DMA_TAG_STATUS_UPDATE_EVENT 0x00000001
89 #define MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT 0x00000002
90 #define MFC_DMA_QUEUE_AVAILABLE_EVENT 0x00000008
91 #define MFC_SPU_MAILBOX_WRITTEN_EVENT 0x00000010
92 #define MFC_DECREMENTER_EVENT 0x00000020
93 #define MFC_PU_INT_MAILBOX_AVAILABLE_EVENT 0x00000040
94 #define MFC_PU_MAILBOX_AVAILABLE_EVENT 0x00000080
95 #define MFC_SIGNAL_2_EVENT 0x00000100
96 #define MFC_SIGNAL_1_EVENT 0x00000200
97 #define MFC_LLR_LOST_EVENT 0x00000400
98 #define MFC_PRIV_ATTN_EVENT 0x00000800
99 #define MFC_MULTI_SRC_EVENT 0x00001000
100
101 /* Flag indicating progress during context switch. */
102 #define SPU_CONTEXT_SWITCH_PENDING 0UL
103 #define SPU_CONTEXT_FAULT_PENDING 1UL
104
105 struct spu_context;
106 struct spu_runqueue;
107 struct spu_lscsa;
108 struct device_node;
109
110 enum spu_utilization_state {
111 SPU_UTIL_USER,
112 SPU_UTIL_SYSTEM,
113 SPU_UTIL_IOWAIT,
114 SPU_UTIL_IDLE_LOADED,
115 SPU_UTIL_MAX
116 };
117
118 struct spu {
119 const char *name;
120 unsigned long local_store_phys;
121 u8 *local_store;
122 unsigned long problem_phys;
123 struct spu_problem __iomem *problem;
124 struct spu_priv2 __iomem *priv2;
125 struct list_head cbe_list;
126 struct list_head full_list;
127 enum { SPU_FREE, SPU_USED } alloc_state;
128 int number;
129 unsigned int irqs[3];
130 u32 node;
131 unsigned long flags;
132 u64 class_0_pending;
133 u64 class_0_dar;
134 u64 class_1_dar;
135 u64 class_1_dsisr;
136 size_t ls_size;
137 unsigned int slb_replace;
138 struct mm_struct *mm;
139 struct spu_context *ctx;
140 struct spu_runqueue *rq;
141 unsigned long long timestamp;
142 pid_t pid;
143 pid_t tgid;
144 spinlock_t register_lock;
145
146 void (* wbox_callback)(struct spu *spu);
147 void (* ibox_callback)(struct spu *spu);
148 void (* stop_callback)(struct spu *spu, int irq);
149 void (* mfc_callback)(struct spu *spu);
150
151 char irq_c0[8];
152 char irq_c1[8];
153 char irq_c2[8];
154
155 u64 spe_id;
156
157 void* pdata; /* platform private data */
158
159 /* of based platforms only */
160 struct device_node *devnode;
161
162 /* native only */
163 struct spu_priv1 __iomem *priv1;
164
165 /* beat only */
166 u64 shadow_int_mask_RW[3];
167
168 struct sys_device sysdev;
169
170 int has_mem_affinity;
171 struct list_head aff_list;
172
173 struct {
174 /* protected by interrupt reentrancy */
175 enum spu_utilization_state util_state;
176 unsigned long long tstamp;
177 unsigned long long times[SPU_UTIL_MAX];
178 unsigned long long vol_ctx_switch;
179 unsigned long long invol_ctx_switch;
180 unsigned long long min_flt;
181 unsigned long long maj_flt;
182 unsigned long long hash_flt;
183 unsigned long long slb_flt;
184 unsigned long long class2_intr;
185 unsigned long long libassist;
186 } stats;
187 };
188
189 struct cbe_spu_info {
190 struct mutex list_mutex;
191 struct list_head spus;
192 int n_spus;
193 int nr_active;
194 atomic_t busy_spus;
195 atomic_t reserved_spus;
196 };
197
198 extern struct cbe_spu_info cbe_spu_info[];
199
200 void spu_init_channels(struct spu *spu);
201 void spu_irq_setaffinity(struct spu *spu, int cpu);
202
203 void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
204 void *code, int code_size);
205
206 #ifdef CONFIG_KEXEC
207 void crash_register_spus(struct list_head *list);
208 #else
crash_register_spus(struct list_head * list)209 static inline void crash_register_spus(struct list_head *list)
210 {
211 }
212 #endif
213
214 extern void spu_invalidate_slbs(struct spu *spu);
215 extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
216 int spu_64k_pages_available(void);
217
218 /* Calls from the memory management to the SPU */
219 struct mm_struct;
220 extern void spu_flush_all_slbs(struct mm_struct *mm);
221
222 /* This interface allows a profiler (e.g., OProfile) to store a ref
223 * to spu context information that it creates. This caching technique
224 * avoids the need to recreate this information after a save/restore operation.
225 *
226 * Assumes the caller has already incremented the ref count to
227 * profile_info; then spu_context_destroy must call kref_put
228 * on prof_info_kref.
229 */
230 void spu_set_profile_private_kref(struct spu_context *ctx,
231 struct kref *prof_info_kref,
232 void ( * prof_info_release) (struct kref *kref));
233
234 void *spu_get_profile_private_kref(struct spu_context *ctx);
235
236 /* system callbacks from the SPU */
237 struct spu_syscall_block {
238 u64 nr_ret;
239 u64 parm[6];
240 };
241 extern long spu_sys_callback(struct spu_syscall_block *s);
242
243 /* syscalls implemented in spufs */
244 struct file;
245 struct spufs_calls {
246 long (*create_thread)(const char __user *name,
247 unsigned int flags, mode_t mode,
248 struct file *neighbor);
249 long (*spu_run)(struct file *filp, __u32 __user *unpc,
250 __u32 __user *ustatus);
251 int (*coredump_extra_notes_size)(void);
252 int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset);
253 void (*notify_spus_active)(void);
254 struct module *owner;
255 };
256
257 /* return status from spu_run, same as in libspe */
258 #define SPE_EVENT_DMA_ALIGNMENT 0x0008 /*A DMA alignment error */
259 #define SPE_EVENT_SPE_ERROR 0x0010 /*An illegal instruction error*/
260 #define SPE_EVENT_SPE_DATA_SEGMENT 0x0020 /*A DMA segmentation error */
261 #define SPE_EVENT_SPE_DATA_STORAGE 0x0040 /*A DMA storage error */
262 #define SPE_EVENT_INVALID_DMA 0x0800 /* Invalid MFC DMA */
263
264 /*
265 * Flags for sys_spu_create.
266 */
267 #define SPU_CREATE_EVENTS_ENABLED 0x0001
268 #define SPU_CREATE_GANG 0x0002
269 #define SPU_CREATE_NOSCHED 0x0004
270 #define SPU_CREATE_ISOLATE 0x0008
271 #define SPU_CREATE_AFFINITY_SPU 0x0010
272 #define SPU_CREATE_AFFINITY_MEM 0x0020
273
274 #define SPU_CREATE_FLAG_ALL 0x003f /* mask of all valid flags */
275
276
277 int register_spu_syscalls(struct spufs_calls *calls);
278 void unregister_spu_syscalls(struct spufs_calls *calls);
279
280 int spu_add_sysdev_attr(struct sysdev_attribute *attr);
281 void spu_remove_sysdev_attr(struct sysdev_attribute *attr);
282
283 int spu_add_sysdev_attr_group(struct attribute_group *attrs);
284 void spu_remove_sysdev_attr_group(struct attribute_group *attrs);
285
286 int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
287 unsigned long dsisr, unsigned *flt);
288
289 /*
290 * Notifier blocks:
291 *
292 * oprofile can get notified when a context switch is performed
293 * on an spe. The notifer function that gets called is passed
294 * a pointer to the SPU structure as well as the object-id that
295 * identifies the binary running on that SPU now.
296 *
297 * For a context save, the object-id that is passed is zero,
298 * identifying that the kernel will run from that moment on.
299 *
300 * For a context restore, the object-id is the value written
301 * to object-id spufs file from user space and the notifer
302 * function can assume that spu->ctx is valid.
303 */
304 struct notifier_block;
305 int spu_switch_event_register(struct notifier_block * n);
306 int spu_switch_event_unregister(struct notifier_block * n);
307
308 extern void notify_spus_active(void);
309 extern void do_notify_spus_active(void);
310
311 /*
312 * This defines the Local Store, Problem Area and Privilege Area of an SPU.
313 */
314
315 union mfc_tag_size_class_cmd {
316 struct {
317 u16 mfc_size;
318 u16 mfc_tag;
319 u8 pad;
320 u8 mfc_rclassid;
321 u16 mfc_cmd;
322 } u;
323 struct {
324 u32 mfc_size_tag32;
325 u32 mfc_class_cmd32;
326 } by32;
327 u64 all64;
328 };
329
330 struct mfc_cq_sr {
331 u64 mfc_cq_data0_RW;
332 u64 mfc_cq_data1_RW;
333 u64 mfc_cq_data2_RW;
334 u64 mfc_cq_data3_RW;
335 };
336
337 struct spu_problem {
338 #define MS_SYNC_PENDING 1L
339 u64 spc_mssync_RW; /* 0x0000 */
340 u8 pad_0x0008_0x3000[0x3000 - 0x0008];
341
342 /* DMA Area */
343 u8 pad_0x3000_0x3004[0x4]; /* 0x3000 */
344 u32 mfc_lsa_W; /* 0x3004 */
345 u64 mfc_ea_W; /* 0x3008 */
346 union mfc_tag_size_class_cmd mfc_union_W; /* 0x3010 */
347 u8 pad_0x3018_0x3104[0xec]; /* 0x3018 */
348 u32 dma_qstatus_R; /* 0x3104 */
349 u8 pad_0x3108_0x3204[0xfc]; /* 0x3108 */
350 u32 dma_querytype_RW; /* 0x3204 */
351 u8 pad_0x3208_0x321c[0x14]; /* 0x3208 */
352 u32 dma_querymask_RW; /* 0x321c */
353 u8 pad_0x3220_0x322c[0xc]; /* 0x3220 */
354 u32 dma_tagstatus_R; /* 0x322c */
355 #define DMA_TAGSTATUS_INTR_ANY 1u
356 #define DMA_TAGSTATUS_INTR_ALL 2u
357 u8 pad_0x3230_0x4000[0x4000 - 0x3230]; /* 0x3230 */
358
359 /* SPU Control Area */
360 u8 pad_0x4000_0x4004[0x4]; /* 0x4000 */
361 u32 pu_mb_R; /* 0x4004 */
362 u8 pad_0x4008_0x400c[0x4]; /* 0x4008 */
363 u32 spu_mb_W; /* 0x400c */
364 u8 pad_0x4010_0x4014[0x4]; /* 0x4010 */
365 u32 mb_stat_R; /* 0x4014 */
366 u8 pad_0x4018_0x401c[0x4]; /* 0x4018 */
367 u32 spu_runcntl_RW; /* 0x401c */
368 #define SPU_RUNCNTL_STOP 0L
369 #define SPU_RUNCNTL_RUNNABLE 1L
370 #define SPU_RUNCNTL_ISOLATE 2L
371 u8 pad_0x4020_0x4024[0x4]; /* 0x4020 */
372 u32 spu_status_R; /* 0x4024 */
373 #define SPU_STOP_STATUS_SHIFT 16
374 #define SPU_STATUS_STOPPED 0x0
375 #define SPU_STATUS_RUNNING 0x1
376 #define SPU_STATUS_STOPPED_BY_STOP 0x2
377 #define SPU_STATUS_STOPPED_BY_HALT 0x4
378 #define SPU_STATUS_WAITING_FOR_CHANNEL 0x8
379 #define SPU_STATUS_SINGLE_STEP 0x10
380 #define SPU_STATUS_INVALID_INSTR 0x20
381 #define SPU_STATUS_INVALID_CH 0x40
382 #define SPU_STATUS_ISOLATED_STATE 0x80
383 #define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
384 #define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
385 u8 pad_0x4028_0x402c[0x4]; /* 0x4028 */
386 u32 spu_spe_R; /* 0x402c */
387 u8 pad_0x4030_0x4034[0x4]; /* 0x4030 */
388 u32 spu_npc_RW; /* 0x4034 */
389 u8 pad_0x4038_0x14000[0x14000 - 0x4038]; /* 0x4038 */
390
391 /* Signal Notification Area */
392 u8 pad_0x14000_0x1400c[0xc]; /* 0x14000 */
393 u32 signal_notify1; /* 0x1400c */
394 u8 pad_0x14010_0x1c00c[0x7ffc]; /* 0x14010 */
395 u32 signal_notify2; /* 0x1c00c */
396 } __attribute__ ((aligned(0x20000)));
397
398 /* SPU Privilege 2 State Area */
399 struct spu_priv2 {
400 /* MFC Registers */
401 u8 pad_0x0000_0x1100[0x1100 - 0x0000]; /* 0x0000 */
402
403 /* SLB Management Registers */
404 u8 pad_0x1100_0x1108[0x8]; /* 0x1100 */
405 u64 slb_index_W; /* 0x1108 */
406 #define SLB_INDEX_MASK 0x7L
407 u64 slb_esid_RW; /* 0x1110 */
408 u64 slb_vsid_RW; /* 0x1118 */
409 #define SLB_VSID_SUPERVISOR_STATE (0x1ull << 11)
410 #define SLB_VSID_SUPERVISOR_STATE_MASK (0x1ull << 11)
411 #define SLB_VSID_PROBLEM_STATE (0x1ull << 10)
412 #define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
413 #define SLB_VSID_EXECUTE_SEGMENT (0x1ull << 9)
414 #define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
415 #define SLB_VSID_EXECUTE_SEGMENT_MASK (0x1ull << 9)
416 #define SLB_VSID_4K_PAGE (0x0 << 8)
417 #define SLB_VSID_LARGE_PAGE (0x1ull << 8)
418 #define SLB_VSID_PAGE_SIZE_MASK (0x1ull << 8)
419 #define SLB_VSID_CLASS_MASK (0x1ull << 7)
420 #define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
421 u64 slb_invalidate_entry_W; /* 0x1120 */
422 u64 slb_invalidate_all_W; /* 0x1128 */
423 u8 pad_0x1130_0x2000[0x2000 - 0x1130]; /* 0x1130 */
424
425 /* Context Save / Restore Area */
426 struct mfc_cq_sr spuq[16]; /* 0x2000 */
427 struct mfc_cq_sr puq[8]; /* 0x2200 */
428 u8 pad_0x2300_0x3000[0x3000 - 0x2300]; /* 0x2300 */
429
430 /* MFC Control */
431 u64 mfc_control_RW; /* 0x3000 */
432 #define MFC_CNTL_RESUME_DMA_QUEUE (0ull << 0)
433 #define MFC_CNTL_SUSPEND_DMA_QUEUE (1ull << 0)
434 #define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK (1ull << 0)
435 #define MFC_CNTL_SUSPEND_MASK (1ull << 4)
436 #define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION (0ull << 8)
437 #define MFC_CNTL_SUSPEND_IN_PROGRESS (1ull << 8)
438 #define MFC_CNTL_SUSPEND_COMPLETE (3ull << 8)
439 #define MFC_CNTL_SUSPEND_DMA_STATUS_MASK (3ull << 8)
440 #define MFC_CNTL_DMA_QUEUES_EMPTY (1ull << 14)
441 #define MFC_CNTL_DMA_QUEUES_EMPTY_MASK (1ull << 14)
442 #define MFC_CNTL_PURGE_DMA_REQUEST (1ull << 15)
443 #define MFC_CNTL_PURGE_DMA_IN_PROGRESS (1ull << 24)
444 #define MFC_CNTL_PURGE_DMA_COMPLETE (3ull << 24)
445 #define MFC_CNTL_PURGE_DMA_STATUS_MASK (3ull << 24)
446 #define MFC_CNTL_RESTART_DMA_COMMAND (1ull << 32)
447 #define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING (1ull << 32)
448 #define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
449 #define MFC_CNTL_MFC_PRIVILEGE_STATE (2ull << 33)
450 #define MFC_CNTL_MFC_PROBLEM_STATE (3ull << 33)
451 #define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK (3ull << 33)
452 #define MFC_CNTL_DECREMENTER_HALTED (1ull << 35)
453 #define MFC_CNTL_DECREMENTER_RUNNING (1ull << 40)
454 #define MFC_CNTL_DECREMENTER_STATUS_MASK (1ull << 40)
455 u8 pad_0x3008_0x4000[0x4000 - 0x3008]; /* 0x3008 */
456
457 /* Interrupt Mailbox */
458 u64 puint_mb_R; /* 0x4000 */
459 u8 pad_0x4008_0x4040[0x4040 - 0x4008]; /* 0x4008 */
460
461 /* SPU Control */
462 u64 spu_privcntl_RW; /* 0x4040 */
463 #define SPU_PRIVCNTL_MODE_NORMAL (0x0ull << 0)
464 #define SPU_PRIVCNTL_MODE_SINGLE_STEP (0x1ull << 0)
465 #define SPU_PRIVCNTL_MODE_MASK (0x1ull << 0)
466 #define SPU_PRIVCNTL_NO_ATTENTION_EVENT (0x0ull << 1)
467 #define SPU_PRIVCNTL_ATTENTION_EVENT (0x1ull << 1)
468 #define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
469 #define SPU_PRIVCNT_LOAD_REQUEST_NORMAL (0x0ull << 2)
470 #define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK (0x1ull << 2)
471 u8 pad_0x4048_0x4058[0x10]; /* 0x4048 */
472 u64 spu_lslr_RW; /* 0x4058 */
473 u64 spu_chnlcntptr_RW; /* 0x4060 */
474 u64 spu_chnlcnt_RW; /* 0x4068 */
475 u64 spu_chnldata_RW; /* 0x4070 */
476 u64 spu_cfg_RW; /* 0x4078 */
477 u8 pad_0x4080_0x5000[0x5000 - 0x4080]; /* 0x4080 */
478
479 /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
480 u64 spu_pm_trace_tag_status_RW; /* 0x5000 */
481 u64 spu_tag_status_query_RW; /* 0x5008 */
482 #define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
483 #define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
484 u64 spu_cmd_buf1_RW; /* 0x5010 */
485 #define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
486 #define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
487 u64 spu_cmd_buf2_RW; /* 0x5018 */
488 #define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
489 #define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
490 #define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
491 u64 spu_atomic_status_RW; /* 0x5020 */
492 } __attribute__ ((aligned(0x20000)));
493
494 /* SPU Privilege 1 State Area */
495 struct spu_priv1 {
496 /* Control and Configuration Area */
497 u64 mfc_sr1_RW; /* 0x000 */
498 #define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK 0x01ull
499 #define MFC_STATE1_BUS_TLBIE_MASK 0x02ull
500 #define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
501 #define MFC_STATE1_PROBLEM_STATE_MASK 0x08ull
502 #define MFC_STATE1_RELOCATE_MASK 0x10ull
503 #define MFC_STATE1_MASTER_RUN_CONTROL_MASK 0x20ull
504 #define MFC_STATE1_TABLE_SEARCH_MASK 0x40ull
505 u64 mfc_lpid_RW; /* 0x008 */
506 u64 spu_idr_RW; /* 0x010 */
507 u64 mfc_vr_RO; /* 0x018 */
508 #define MFC_VERSION_BITS (0xffff << 16)
509 #define MFC_REVISION_BITS (0xffff)
510 #define MFC_GET_VERSION_BITS(vr) (((vr) & MFC_VERSION_BITS) >> 16)
511 #define MFC_GET_REVISION_BITS(vr) ((vr) & MFC_REVISION_BITS)
512 u64 spu_vr_RO; /* 0x020 */
513 #define SPU_VERSION_BITS (0xffff << 16)
514 #define SPU_REVISION_BITS (0xffff)
515 #define SPU_GET_VERSION_BITS(vr) (vr & SPU_VERSION_BITS) >> 16
516 #define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS)
517 u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */
518
519 /* Interrupt Area */
520 u64 int_mask_RW[3]; /* 0x100 */
521 #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L
522 #define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR 0x2L
523 #define CLASS0_ENABLE_SPU_ERROR_INTR 0x4L
524 #define CLASS0_ENABLE_MFC_FIR_INTR 0x8L
525 #define CLASS1_ENABLE_SEGMENT_FAULT_INTR 0x1L
526 #define CLASS1_ENABLE_STORAGE_FAULT_INTR 0x2L
527 #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
528 #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
529 #define CLASS2_ENABLE_MAILBOX_INTR 0x1L
530 #define CLASS2_ENABLE_SPU_STOP_INTR 0x2L
531 #define CLASS2_ENABLE_SPU_HALT_INTR 0x4L
532 #define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
533 #define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR 0x10L
534 u8 pad_0x118_0x140[0x28]; /* 0x118 */
535 u64 int_stat_RW[3]; /* 0x140 */
536 #define CLASS0_DMA_ALIGNMENT_INTR 0x1L
537 #define CLASS0_INVALID_DMA_COMMAND_INTR 0x2L
538 #define CLASS0_SPU_ERROR_INTR 0x4L
539 #define CLASS0_INTR_MASK 0x7L
540 #define CLASS1_SEGMENT_FAULT_INTR 0x1L
541 #define CLASS1_STORAGE_FAULT_INTR 0x2L
542 #define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
543 #define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
544 #define CLASS1_INTR_MASK 0xfL
545 #define CLASS2_MAILBOX_INTR 0x1L
546 #define CLASS2_SPU_STOP_INTR 0x2L
547 #define CLASS2_SPU_HALT_INTR 0x4L
548 #define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
549 #define CLASS2_MAILBOX_THRESHOLD_INTR 0x10L
550 #define CLASS2_INTR_MASK 0x1fL
551 u8 pad_0x158_0x180[0x28]; /* 0x158 */
552 u64 int_route_RW; /* 0x180 */
553
554 /* Interrupt Routing */
555 u8 pad_0x188_0x200[0x200 - 0x188]; /* 0x188 */
556
557 /* Atomic Unit Control Area */
558 u64 mfc_atomic_flush_RW; /* 0x200 */
559 #define mfc_atomic_flush_enable 0x1L
560 u8 pad_0x208_0x280[0x78]; /* 0x208 */
561 u64 resource_allocation_groupID_RW; /* 0x280 */
562 u64 resource_allocation_enable_RW; /* 0x288 */
563 u8 pad_0x290_0x3c8[0x3c8 - 0x290]; /* 0x290 */
564
565 /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
566
567 u64 smf_sbi_signal_sel; /* 0x3c8 */
568 #define smf_sbi_mask_lsb 56
569 #define smf_sbi_shift (63 - smf_sbi_mask_lsb)
570 #define smf_sbi_mask (0x301LL << smf_sbi_shift)
571 #define smf_sbi_bus0_bits (0x001LL << smf_sbi_shift)
572 #define smf_sbi_bus2_bits (0x100LL << smf_sbi_shift)
573 #define smf_sbi2_bus0_bits (0x201LL << smf_sbi_shift)
574 #define smf_sbi2_bus2_bits (0x300LL << smf_sbi_shift)
575 u64 smf_ato_signal_sel; /* 0x3d0 */
576 #define smf_ato_mask_lsb 35
577 #define smf_ato_shift (63 - smf_ato_mask_lsb)
578 #define smf_ato_mask (0x3LL << smf_ato_shift)
579 #define smf_ato_bus0_bits (0x2LL << smf_ato_shift)
580 #define smf_ato_bus2_bits (0x1LL << smf_ato_shift)
581 u8 pad_0x3d8_0x400[0x400 - 0x3d8]; /* 0x3d8 */
582
583 /* TLB Management Registers */
584 u64 mfc_sdr_RW; /* 0x400 */
585 u8 pad_0x408_0x500[0xf8]; /* 0x408 */
586 u64 tlb_index_hint_RO; /* 0x500 */
587 u64 tlb_index_W; /* 0x508 */
588 u64 tlb_vpn_RW; /* 0x510 */
589 u64 tlb_rpn_RW; /* 0x518 */
590 u8 pad_0x520_0x540[0x20]; /* 0x520 */
591 u64 tlb_invalidate_entry_W; /* 0x540 */
592 u64 tlb_invalidate_all_W; /* 0x548 */
593 u8 pad_0x550_0x580[0x580 - 0x550]; /* 0x550 */
594
595 /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
596 u64 smm_hid; /* 0x580 */
597 #define PAGE_SIZE_MASK 0xf000000000000000ull
598 #define PAGE_SIZE_16MB_64KB 0x2000000000000000ull
599 u8 pad_0x588_0x600[0x600 - 0x588]; /* 0x588 */
600
601 /* MFC Status/Control Area */
602 u64 mfc_accr_RW; /* 0x600 */
603 #define MFC_ACCR_EA_ACCESS_GET (1 << 0)
604 #define MFC_ACCR_EA_ACCESS_PUT (1 << 1)
605 #define MFC_ACCR_LS_ACCESS_GET (1 << 3)
606 #define MFC_ACCR_LS_ACCESS_PUT (1 << 4)
607 u8 pad_0x608_0x610[0x8]; /* 0x608 */
608 u64 mfc_dsisr_RW; /* 0x610 */
609 #define MFC_DSISR_PTE_NOT_FOUND (1 << 30)
610 #define MFC_DSISR_ACCESS_DENIED (1 << 27)
611 #define MFC_DSISR_ATOMIC (1 << 26)
612 #define MFC_DSISR_ACCESS_PUT (1 << 25)
613 #define MFC_DSISR_ADDR_MATCH (1 << 22)
614 #define MFC_DSISR_LS (1 << 17)
615 #define MFC_DSISR_L (1 << 16)
616 #define MFC_DSISR_ADDRESS_OVERFLOW (1 << 0)
617 u8 pad_0x618_0x620[0x8]; /* 0x618 */
618 u64 mfc_dar_RW; /* 0x620 */
619 u8 pad_0x628_0x700[0x700 - 0x628]; /* 0x628 */
620
621 /* Replacement Management Table (RMT) Area */
622 u64 rmt_index_RW; /* 0x700 */
623 u8 pad_0x708_0x710[0x8]; /* 0x708 */
624 u64 rmt_data1_RW; /* 0x710 */
625 u8 pad_0x718_0x800[0x800 - 0x718]; /* 0x718 */
626
627 /* Control/Configuration Registers */
628 u64 mfc_dsir_R; /* 0x800 */
629 #define MFC_DSIR_Q (1 << 31)
630 #define MFC_DSIR_SPU_QUEUE MFC_DSIR_Q
631 u64 mfc_lsacr_RW; /* 0x808 */
632 #define MFC_LSACR_COMPARE_MASK ((~0ull) << 32)
633 #define MFC_LSACR_COMPARE_ADDR ((~0ull) >> 32)
634 u64 mfc_lscrr_R; /* 0x810 */
635 #define MFC_LSCRR_Q (1 << 31)
636 #define MFC_LSCRR_SPU_QUEUE MFC_LSCRR_Q
637 #define MFC_LSCRR_QI_SHIFT 32
638 #define MFC_LSCRR_QI_MASK ((~0ull) << MFC_LSCRR_QI_SHIFT)
639 u8 pad_0x818_0x820[0x8]; /* 0x818 */
640 u64 mfc_tclass_id_RW; /* 0x820 */
641 #define MFC_TCLASS_ID_ENABLE (1L << 0L)
642 #define MFC_TCLASS_SLOT2_ENABLE (1L << 5L)
643 #define MFC_TCLASS_SLOT1_ENABLE (1L << 6L)
644 #define MFC_TCLASS_SLOT0_ENABLE (1L << 7L)
645 #define MFC_TCLASS_QUOTA_2_SHIFT 8L
646 #define MFC_TCLASS_QUOTA_1_SHIFT 16L
647 #define MFC_TCLASS_QUOTA_0_SHIFT 24L
648 #define MFC_TCLASS_QUOTA_2_MASK (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
649 #define MFC_TCLASS_QUOTA_1_MASK (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
650 #define MFC_TCLASS_QUOTA_0_MASK (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
651 u8 pad_0x828_0x900[0x900 - 0x828]; /* 0x828 */
652
653 /* Real Mode Support Registers */
654 u64 mfc_rm_boundary; /* 0x900 */
655 u8 pad_0x908_0x938[0x30]; /* 0x908 */
656 u64 smf_dma_signal_sel; /* 0x938 */
657 #define mfc_dma1_mask_lsb 41
658 #define mfc_dma1_shift (63 - mfc_dma1_mask_lsb)
659 #define mfc_dma1_mask (0x3LL << mfc_dma1_shift)
660 #define mfc_dma1_bits (0x1LL << mfc_dma1_shift)
661 #define mfc_dma2_mask_lsb 43
662 #define mfc_dma2_shift (63 - mfc_dma2_mask_lsb)
663 #define mfc_dma2_mask (0x3LL << mfc_dma2_shift)
664 #define mfc_dma2_bits (0x1LL << mfc_dma2_shift)
665 u8 pad_0x940_0xa38[0xf8]; /* 0x940 */
666 u64 smm_signal_sel; /* 0xa38 */
667 #define smm_sig_mask_lsb 12
668 #define smm_sig_shift (63 - smm_sig_mask_lsb)
669 #define smm_sig_mask (0x3LL << smm_sig_shift)
670 #define smm_sig_bus0_bits (0x2LL << smm_sig_shift)
671 #define smm_sig_bus2_bits (0x1LL << smm_sig_shift)
672 u8 pad_0xa40_0xc00[0xc00 - 0xa40]; /* 0xa40 */
673
674 /* DMA Command Error Area */
675 u64 mfc_cer_R; /* 0xc00 */
676 #define MFC_CER_Q (1 << 31)
677 #define MFC_CER_SPU_QUEUE MFC_CER_Q
678 u8 pad_0xc08_0x1000[0x1000 - 0xc08]; /* 0xc08 */
679
680 /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
681 /* DMA Command Error Area */
682 u64 spu_ecc_cntl_RW; /* 0x1000 */
683 #define SPU_ECC_CNTL_E (1ull << 0ull)
684 #define SPU_ECC_CNTL_ENABLE SPU_ECC_CNTL_E
685 #define SPU_ECC_CNTL_DISABLE (~SPU_ECC_CNTL_E & 1L)
686 #define SPU_ECC_CNTL_S (1ull << 1ull)
687 #define SPU_ECC_STOP_AFTER_ERROR SPU_ECC_CNTL_S
688 #define SPU_ECC_CONTINUE_AFTER_ERROR (~SPU_ECC_CNTL_S & 2L)
689 #define SPU_ECC_CNTL_B (1ull << 2ull)
690 #define SPU_ECC_BACKGROUND_ENABLE SPU_ECC_CNTL_B
691 #define SPU_ECC_BACKGROUND_DISABLE (~SPU_ECC_CNTL_B & 4L)
692 #define SPU_ECC_CNTL_I_SHIFT 3ull
693 #define SPU_ECC_CNTL_I_MASK (3ull << SPU_ECC_CNTL_I_SHIFT)
694 #define SPU_ECC_WRITE_ALWAYS (~SPU_ECC_CNTL_I & 12L)
695 #define SPU_ECC_WRITE_CORRECTABLE (1ull << SPU_ECC_CNTL_I_SHIFT)
696 #define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
697 #define SPU_ECC_CNTL_D (1ull << 5ull)
698 #define SPU_ECC_DETECTION_ENABLE SPU_ECC_CNTL_D
699 #define SPU_ECC_DETECTION_DISABLE (~SPU_ECC_CNTL_D & 32L)
700 u64 spu_ecc_stat_RW; /* 0x1008 */
701 #define SPU_ECC_CORRECTED_ERROR (1ull << 0ul)
702 #define SPU_ECC_UNCORRECTED_ERROR (1ull << 1ul)
703 #define SPU_ECC_SCRUB_COMPLETE (1ull << 2ul)
704 #define SPU_ECC_SCRUB_IN_PROGRESS (1ull << 3ul)
705 #define SPU_ECC_INSTRUCTION_ERROR (1ull << 4ul)
706 #define SPU_ECC_DATA_ERROR (1ull << 5ul)
707 #define SPU_ECC_DMA_ERROR (1ull << 6ul)
708 #define SPU_ECC_STATUS_CNT_MASK (256ull << 8)
709 u64 spu_ecc_addr_RW; /* 0x1010 */
710 u64 spu_err_mask_RW; /* 0x1018 */
711 #define SPU_ERR_ILLEGAL_INSTR (1ull << 0ul)
712 #define SPU_ERR_ILLEGAL_CHANNEL (1ull << 1ul)
713 u8 pad_0x1020_0x1028[0x1028 - 0x1020]; /* 0x1020 */
714
715 /* SPU Debug-Trace Bus (DTB) Selection Registers */
716 u64 spu_trig0_sel; /* 0x1028 */
717 u64 spu_trig1_sel; /* 0x1030 */
718 u64 spu_trig2_sel; /* 0x1038 */
719 u64 spu_trig3_sel; /* 0x1040 */
720 u64 spu_trace_sel; /* 0x1048 */
721 #define spu_trace_sel_mask 0x1f1fLL
722 #define spu_trace_sel_bus0_bits 0x1000LL
723 #define spu_trace_sel_bus2_bits 0x0010LL
724 u64 spu_event0_sel; /* 0x1050 */
725 u64 spu_event1_sel; /* 0x1058 */
726 u64 spu_event2_sel; /* 0x1060 */
727 u64 spu_event3_sel; /* 0x1068 */
728 u64 spu_trace_cntl; /* 0x1070 */
729 } __attribute__ ((aligned(0x2000)));
730
731 #endif /* __KERNEL__ */
732 #endif
733