xref: /linux/arch/powerpc/include/asm/spu.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * SPU core / file system interface and HW structures
4  *
5  * (C) Copyright IBM Deutschland Entwicklung GmbH 2005
6  *
7  * Author: Arnd Bergmann <arndb@de.ibm.com>
8  */
9 
10 #ifndef _SPU_H
11 #define _SPU_H
12 #ifdef __KERNEL__
13 
14 #include <linux/workqueue.h>
15 #include <linux/device.h>
16 #include <linux/mutex.h>
17 #include <asm/reg.h>
18 #include <asm/copro.h>
19 
20 #define LS_SIZE (256 * 1024)
21 #define LS_ADDR_MASK (LS_SIZE - 1)
22 
23 #define MFC_PUT_CMD             0x20
24 #define MFC_PUTS_CMD            0x28
25 #define MFC_PUTR_CMD            0x30
26 #define MFC_PUTF_CMD            0x22
27 #define MFC_PUTB_CMD            0x21
28 #define MFC_PUTFS_CMD           0x2A
29 #define MFC_PUTBS_CMD           0x29
30 #define MFC_PUTRF_CMD           0x32
31 #define MFC_PUTRB_CMD           0x31
32 #define MFC_PUTL_CMD            0x24
33 #define MFC_PUTRL_CMD           0x34
34 #define MFC_PUTLF_CMD           0x26
35 #define MFC_PUTLB_CMD           0x25
36 #define MFC_PUTRLF_CMD          0x36
37 #define MFC_PUTRLB_CMD          0x35
38 
39 #define MFC_GET_CMD             0x40
40 #define MFC_GETS_CMD            0x48
41 #define MFC_GETF_CMD            0x42
42 #define MFC_GETB_CMD            0x41
43 #define MFC_GETFS_CMD           0x4A
44 #define MFC_GETBS_CMD           0x49
45 #define MFC_GETL_CMD            0x44
46 #define MFC_GETLF_CMD           0x46
47 #define MFC_GETLB_CMD           0x45
48 
49 #define MFC_SDCRT_CMD           0x80
50 #define MFC_SDCRTST_CMD         0x81
51 #define MFC_SDCRZ_CMD           0x89
52 #define MFC_SDCRS_CMD           0x8D
53 #define MFC_SDCRF_CMD           0x8F
54 
55 #define MFC_GETLLAR_CMD         0xD0
56 #define MFC_PUTLLC_CMD          0xB4
57 #define MFC_PUTLLUC_CMD         0xB0
58 #define MFC_PUTQLLUC_CMD        0xB8
59 #define MFC_SNDSIG_CMD          0xA0
60 #define MFC_SNDSIGB_CMD         0xA1
61 #define MFC_SNDSIGF_CMD         0xA2
62 #define MFC_BARRIER_CMD         0xC0
63 #define MFC_EIEIO_CMD           0xC8
64 #define MFC_SYNC_CMD            0xCC
65 
66 #define MFC_MIN_DMA_SIZE_SHIFT  4       /* 16 bytes */
67 #define MFC_MAX_DMA_SIZE_SHIFT  14      /* 16384 bytes */
68 #define MFC_MIN_DMA_SIZE        (1 << MFC_MIN_DMA_SIZE_SHIFT)
69 #define MFC_MAX_DMA_SIZE        (1 << MFC_MAX_DMA_SIZE_SHIFT)
70 #define MFC_MIN_DMA_SIZE_MASK   (MFC_MIN_DMA_SIZE - 1)
71 #define MFC_MAX_DMA_SIZE_MASK   (MFC_MAX_DMA_SIZE - 1)
72 #define MFC_MIN_DMA_LIST_SIZE   0x0008  /*   8 bytes */
73 #define MFC_MAX_DMA_LIST_SIZE   0x4000  /* 16K bytes */
74 
75 #define MFC_TAGID_TO_TAGMASK(tag_id)  (1 << (tag_id & 0x1F))
76 
77 /* Events for Channels 0-2 */
78 #define MFC_DMA_TAG_STATUS_UPDATE_EVENT     0x00000001
79 #define MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT  0x00000002
80 #define MFC_DMA_QUEUE_AVAILABLE_EVENT       0x00000008
81 #define MFC_SPU_MAILBOX_WRITTEN_EVENT       0x00000010
82 #define MFC_DECREMENTER_EVENT               0x00000020
83 #define MFC_PU_INT_MAILBOX_AVAILABLE_EVENT  0x00000040
84 #define MFC_PU_MAILBOX_AVAILABLE_EVENT      0x00000080
85 #define MFC_SIGNAL_2_EVENT                  0x00000100
86 #define MFC_SIGNAL_1_EVENT                  0x00000200
87 #define MFC_LLR_LOST_EVENT                  0x00000400
88 #define MFC_PRIV_ATTN_EVENT                 0x00000800
89 #define MFC_MULTI_SRC_EVENT                 0x00001000
90 
91 /* Flag indicating progress during context switch. */
92 #define SPU_CONTEXT_SWITCH_PENDING	0UL
93 #define SPU_CONTEXT_FAULT_PENDING	1UL
94 
95 struct spu_context;
96 struct spu_runqueue;
97 struct spu_lscsa;
98 struct device_node;
99 
100 enum spu_utilization_state {
101 	SPU_UTIL_USER,
102 	SPU_UTIL_SYSTEM,
103 	SPU_UTIL_IOWAIT,
104 	SPU_UTIL_IDLE_LOADED,
105 	SPU_UTIL_MAX
106 };
107 
108 struct spu {
109 	const char *name;
110 	unsigned long local_store_phys;
111 	u8 *local_store;
112 	unsigned long problem_phys;
113 	struct spu_problem __iomem *problem;
114 	struct spu_priv2 __iomem *priv2;
115 	struct list_head cbe_list;
116 	struct list_head full_list;
117 	enum { SPU_FREE, SPU_USED } alloc_state;
118 	int number;
119 	unsigned int irqs[3];
120 	u32 node;
121 	unsigned long flags;
122 	u64 class_0_pending;
123 	u64 class_0_dar;
124 	u64 class_1_dar;
125 	u64 class_1_dsisr;
126 	size_t ls_size;
127 	unsigned int slb_replace;
128 	struct mm_struct *mm;
129 	struct spu_context *ctx;
130 	struct spu_runqueue *rq;
131 	unsigned long long timestamp;
132 	pid_t pid;
133 	pid_t tgid;
134 	spinlock_t register_lock;
135 
136 	void (* wbox_callback)(struct spu *spu);
137 	void (* ibox_callback)(struct spu *spu);
138 	void (* stop_callback)(struct spu *spu, int irq);
139 	void (* mfc_callback)(struct spu *spu);
140 
141 	char irq_c0[8];
142 	char irq_c1[8];
143 	char irq_c2[8];
144 
145 	u64 spe_id;
146 
147 	void* pdata; /* platform private data */
148 
149 	/* of based platforms only */
150 	struct device_node *devnode;
151 
152 	/* native only */
153 	struct spu_priv1 __iomem *priv1;
154 
155 	/* beat only */
156 	u64 shadow_int_mask_RW[3];
157 
158 	struct device dev;
159 
160 	int has_mem_affinity;
161 	struct list_head aff_list;
162 
163 	struct {
164 		/* protected by interrupt reentrancy */
165 		enum spu_utilization_state util_state;
166 		unsigned long long tstamp;
167 		unsigned long long times[SPU_UTIL_MAX];
168 		unsigned long long vol_ctx_switch;
169 		unsigned long long invol_ctx_switch;
170 		unsigned long long min_flt;
171 		unsigned long long maj_flt;
172 		unsigned long long hash_flt;
173 		unsigned long long slb_flt;
174 		unsigned long long class2_intr;
175 		unsigned long long libassist;
176 	} stats;
177 };
178 
179 struct cbe_spu_info {
180 	struct mutex list_mutex;
181 	struct list_head spus;
182 	int n_spus;
183 	int nr_active;
184 	atomic_t busy_spus;
185 	atomic_t reserved_spus;
186 };
187 
188 extern struct cbe_spu_info cbe_spu_info[];
189 
190 void spu_init_channels(struct spu *spu);
191 void spu_irq_setaffinity(struct spu *spu, int cpu);
192 
193 void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
194 		void *code, int code_size);
195 
196 extern void spu_invalidate_slbs(struct spu *spu);
197 extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
198 int spu_64k_pages_available(void);
199 
200 /* Calls from the memory management to the SPU */
201 struct mm_struct;
202 extern void spu_flush_all_slbs(struct mm_struct *mm);
203 
204 /* system callbacks from the SPU */
205 struct spu_syscall_block {
206 	u64 nr_ret;
207 	u64 parm[6];
208 };
209 extern long spu_sys_callback(struct spu_syscall_block *s);
210 
211 /* syscalls implemented in spufs */
212 struct file;
213 struct coredump_params;
214 struct spufs_calls {
215 	long (*create_thread)(const char __user *name,
216 					unsigned int flags, umode_t mode,
217 					struct file *neighbor);
218 	long (*spu_run)(struct file *filp, __u32 __user *unpc,
219 						__u32 __user *ustatus);
220 	int (*coredump_extra_notes_size)(void);
221 	int (*coredump_extra_notes_write)(struct coredump_params *cprm);
222 	void (*notify_spus_active)(void);
223 	struct module *owner;
224 };
225 
226 /* return status from spu_run, same as in libspe */
227 #define SPE_EVENT_DMA_ALIGNMENT		0x0008	/*A DMA alignment error */
228 #define SPE_EVENT_SPE_ERROR		0x0010	/*An illegal instruction error*/
229 #define SPE_EVENT_SPE_DATA_SEGMENT	0x0020	/*A DMA segmentation error    */
230 #define SPE_EVENT_SPE_DATA_STORAGE	0x0040	/*A DMA storage error */
231 #define SPE_EVENT_INVALID_DMA		0x0800	/* Invalid MFC DMA */
232 
233 /*
234  * Flags for sys_spu_create.
235  */
236 #define SPU_CREATE_EVENTS_ENABLED	0x0001
237 #define SPU_CREATE_GANG			0x0002
238 #define SPU_CREATE_NOSCHED		0x0004
239 #define SPU_CREATE_ISOLATE		0x0008
240 #define SPU_CREATE_AFFINITY_SPU		0x0010
241 #define SPU_CREATE_AFFINITY_MEM		0x0020
242 
243 #define SPU_CREATE_FLAG_ALL		0x003f /* mask of all valid flags */
244 
245 
246 int register_spu_syscalls(struct spufs_calls *calls);
247 void unregister_spu_syscalls(struct spufs_calls *calls);
248 
249 int spu_add_dev_attr(struct device_attribute *attr);
250 void spu_remove_dev_attr(struct device_attribute *attr);
251 
252 int spu_add_dev_attr_group(const struct attribute_group *attrs);
253 void spu_remove_dev_attr_group(const struct attribute_group *attrs);
254 
255 extern void notify_spus_active(void);
256 extern void do_notify_spus_active(void);
257 
258 /*
259  * This defines the Local Store, Problem Area and Privilege Area of an SPU.
260  */
261 
262 union mfc_tag_size_class_cmd {
263 	struct {
264 		u16 mfc_size;
265 		u16 mfc_tag;
266 		u8  pad;
267 		u8  mfc_rclassid;
268 		u16 mfc_cmd;
269 	} u;
270 	struct {
271 		u32 mfc_size_tag32;
272 		u32 mfc_class_cmd32;
273 	} by32;
274 	u64 all64;
275 };
276 
277 struct mfc_cq_sr {
278 	u64 mfc_cq_data0_RW;
279 	u64 mfc_cq_data1_RW;
280 	u64 mfc_cq_data2_RW;
281 	u64 mfc_cq_data3_RW;
282 };
283 
284 struct spu_problem {
285 #define MS_SYNC_PENDING         1L
286 	u64 spc_mssync_RW;					/* 0x0000 */
287 	u8  pad_0x0008_0x3000[0x3000 - 0x0008];
288 
289 	/* DMA Area */
290 	u8  pad_0x3000_0x3004[0x4];				/* 0x3000 */
291 	u32 mfc_lsa_W;						/* 0x3004 */
292 	u64 mfc_ea_W;						/* 0x3008 */
293 	union mfc_tag_size_class_cmd mfc_union_W;			/* 0x3010 */
294 	u8  pad_0x3018_0x3104[0xec];				/* 0x3018 */
295 	u32 dma_qstatus_R;					/* 0x3104 */
296 	u8  pad_0x3108_0x3204[0xfc];				/* 0x3108 */
297 	u32 dma_querytype_RW;					/* 0x3204 */
298 	u8  pad_0x3208_0x321c[0x14];				/* 0x3208 */
299 	u32 dma_querymask_RW;					/* 0x321c */
300 	u8  pad_0x3220_0x322c[0xc];				/* 0x3220 */
301 	u32 dma_tagstatus_R;					/* 0x322c */
302 #define DMA_TAGSTATUS_INTR_ANY	1u
303 #define DMA_TAGSTATUS_INTR_ALL	2u
304 	u8  pad_0x3230_0x4000[0x4000 - 0x3230]; 		/* 0x3230 */
305 
306 	/* SPU Control Area */
307 	u8  pad_0x4000_0x4004[0x4];				/* 0x4000 */
308 	u32 pu_mb_R;						/* 0x4004 */
309 	u8  pad_0x4008_0x400c[0x4];				/* 0x4008 */
310 	u32 spu_mb_W;						/* 0x400c */
311 	u8  pad_0x4010_0x4014[0x4];				/* 0x4010 */
312 	u32 mb_stat_R;						/* 0x4014 */
313 	u8  pad_0x4018_0x401c[0x4];				/* 0x4018 */
314 	u32 spu_runcntl_RW;					/* 0x401c */
315 #define SPU_RUNCNTL_STOP	0L
316 #define SPU_RUNCNTL_RUNNABLE	1L
317 #define SPU_RUNCNTL_ISOLATE	2L
318 	u8  pad_0x4020_0x4024[0x4];				/* 0x4020 */
319 	u32 spu_status_R;					/* 0x4024 */
320 #define SPU_STOP_STATUS_SHIFT           16
321 #define SPU_STATUS_STOPPED		0x0
322 #define SPU_STATUS_RUNNING		0x1
323 #define SPU_STATUS_STOPPED_BY_STOP	0x2
324 #define SPU_STATUS_STOPPED_BY_HALT	0x4
325 #define SPU_STATUS_WAITING_FOR_CHANNEL	0x8
326 #define SPU_STATUS_SINGLE_STEP		0x10
327 #define SPU_STATUS_INVALID_INSTR        0x20
328 #define SPU_STATUS_INVALID_CH           0x40
329 #define SPU_STATUS_ISOLATED_STATE       0x80
330 #define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
331 #define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
332 	u8  pad_0x4028_0x402c[0x4];				/* 0x4028 */
333 	u32 spu_spe_R;						/* 0x402c */
334 	u8  pad_0x4030_0x4034[0x4];				/* 0x4030 */
335 	u32 spu_npc_RW;						/* 0x4034 */
336 	u8  pad_0x4038_0x14000[0x14000 - 0x4038];		/* 0x4038 */
337 
338 	/* Signal Notification Area */
339 	u8  pad_0x14000_0x1400c[0xc];				/* 0x14000 */
340 	u32 signal_notify1;					/* 0x1400c */
341 	u8  pad_0x14010_0x1c00c[0x7ffc];			/* 0x14010 */
342 	u32 signal_notify2;					/* 0x1c00c */
343 } __attribute__ ((aligned(0x20000)));
344 
345 /* SPU Privilege 2 State Area */
346 struct spu_priv2 {
347 	/* MFC Registers */
348 	u8  pad_0x0000_0x1100[0x1100 - 0x0000]; 		/* 0x0000 */
349 
350 	/* SLB Management Registers */
351 	u8  pad_0x1100_0x1108[0x8];				/* 0x1100 */
352 	u64 slb_index_W;					/* 0x1108 */
353 #define SLB_INDEX_MASK				0x7L
354 	u64 slb_esid_RW;					/* 0x1110 */
355 	u64 slb_vsid_RW;					/* 0x1118 */
356 #define SLB_VSID_SUPERVISOR_STATE	(0x1ull << 11)
357 #define SLB_VSID_SUPERVISOR_STATE_MASK	(0x1ull << 11)
358 #define SLB_VSID_PROBLEM_STATE		(0x1ull << 10)
359 #define SLB_VSID_PROBLEM_STATE_MASK	(0x1ull << 10)
360 #define SLB_VSID_EXECUTE_SEGMENT	(0x1ull << 9)
361 #define SLB_VSID_NO_EXECUTE_SEGMENT	(0x1ull << 9)
362 #define SLB_VSID_EXECUTE_SEGMENT_MASK	(0x1ull << 9)
363 #define SLB_VSID_4K_PAGE		(0x0 << 8)
364 #define SLB_VSID_LARGE_PAGE		(0x1ull << 8)
365 #define SLB_VSID_PAGE_SIZE_MASK		(0x1ull << 8)
366 #define SLB_VSID_CLASS_MASK		(0x1ull << 7)
367 #define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK	(0x1ull << 6)
368 	u64 slb_invalidate_entry_W;				/* 0x1120 */
369 	u64 slb_invalidate_all_W;				/* 0x1128 */
370 	u8  pad_0x1130_0x2000[0x2000 - 0x1130]; 		/* 0x1130 */
371 
372 	/* Context Save / Restore Area */
373 	struct mfc_cq_sr spuq[16];				/* 0x2000 */
374 	struct mfc_cq_sr puq[8];				/* 0x2200 */
375 	u8  pad_0x2300_0x3000[0x3000 - 0x2300]; 		/* 0x2300 */
376 
377 	/* MFC Control */
378 	u64 mfc_control_RW;					/* 0x3000 */
379 #define MFC_CNTL_RESUME_DMA_QUEUE		(0ull << 0)
380 #define MFC_CNTL_SUSPEND_DMA_QUEUE		(1ull << 0)
381 #define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK		(1ull << 0)
382 #define MFC_CNTL_SUSPEND_MASK			(1ull << 4)
383 #define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION	(0ull << 8)
384 #define MFC_CNTL_SUSPEND_IN_PROGRESS		(1ull << 8)
385 #define MFC_CNTL_SUSPEND_COMPLETE		(3ull << 8)
386 #define MFC_CNTL_SUSPEND_DMA_STATUS_MASK	(3ull << 8)
387 #define MFC_CNTL_DMA_QUEUES_EMPTY		(1ull << 14)
388 #define MFC_CNTL_DMA_QUEUES_EMPTY_MASK		(1ull << 14)
389 #define MFC_CNTL_PURGE_DMA_REQUEST		(1ull << 15)
390 #define MFC_CNTL_PURGE_DMA_IN_PROGRESS		(1ull << 24)
391 #define MFC_CNTL_PURGE_DMA_COMPLETE		(3ull << 24)
392 #define MFC_CNTL_PURGE_DMA_STATUS_MASK		(3ull << 24)
393 #define MFC_CNTL_RESTART_DMA_COMMAND		(1ull << 32)
394 #define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING	(1ull << 32)
395 #define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
396 #define MFC_CNTL_MFC_PRIVILEGE_STATE		(2ull << 33)
397 #define MFC_CNTL_MFC_PROBLEM_STATE		(3ull << 33)
398 #define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK	(3ull << 33)
399 #define MFC_CNTL_DECREMENTER_HALTED		(1ull << 35)
400 #define MFC_CNTL_DECREMENTER_RUNNING		(1ull << 40)
401 #define MFC_CNTL_DECREMENTER_STATUS_MASK	(1ull << 40)
402 	u8  pad_0x3008_0x4000[0x4000 - 0x3008]; 		/* 0x3008 */
403 
404 	/* Interrupt Mailbox */
405 	u64 puint_mb_R;						/* 0x4000 */
406 	u8  pad_0x4008_0x4040[0x4040 - 0x4008]; 		/* 0x4008 */
407 
408 	/* SPU Control */
409 	u64 spu_privcntl_RW;					/* 0x4040 */
410 #define SPU_PRIVCNTL_MODE_NORMAL		(0x0ull << 0)
411 #define SPU_PRIVCNTL_MODE_SINGLE_STEP		(0x1ull << 0)
412 #define SPU_PRIVCNTL_MODE_MASK			(0x1ull << 0)
413 #define SPU_PRIVCNTL_NO_ATTENTION_EVENT		(0x0ull << 1)
414 #define SPU_PRIVCNTL_ATTENTION_EVENT		(0x1ull << 1)
415 #define SPU_PRIVCNTL_ATTENTION_EVENT_MASK	(0x1ull << 1)
416 #define SPU_PRIVCNT_LOAD_REQUEST_NORMAL		(0x0ull << 2)
417 #define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK	(0x1ull << 2)
418 	u8  pad_0x4048_0x4058[0x10];				/* 0x4048 */
419 	u64 spu_lslr_RW;					/* 0x4058 */
420 	u64 spu_chnlcntptr_RW;					/* 0x4060 */
421 	u64 spu_chnlcnt_RW;					/* 0x4068 */
422 	u64 spu_chnldata_RW;					/* 0x4070 */
423 	u64 spu_cfg_RW;						/* 0x4078 */
424 	u8  pad_0x4080_0x5000[0x5000 - 0x4080]; 		/* 0x4080 */
425 
426 	/* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
427 	u64 spu_pm_trace_tag_status_RW;				/* 0x5000 */
428 	u64 spu_tag_status_query_RW;				/* 0x5008 */
429 #define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
430 #define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
431 	u64 spu_cmd_buf1_RW;					/* 0x5010 */
432 #define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
433 #define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
434 	u64 spu_cmd_buf2_RW;					/* 0x5018 */
435 #define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
436 #define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
437 #define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
438 	u64 spu_atomic_status_RW;				/* 0x5020 */
439 } __attribute__ ((aligned(0x20000)));
440 
441 /* SPU Privilege 1 State Area */
442 struct spu_priv1 {
443 	/* Control and Configuration Area */
444 	u64 mfc_sr1_RW;						/* 0x000 */
445 #define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK	0x01ull
446 #define MFC_STATE1_BUS_TLBIE_MASK		0x02ull
447 #define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK	0x04ull
448 #define MFC_STATE1_PROBLEM_STATE_MASK		0x08ull
449 #define MFC_STATE1_RELOCATE_MASK		0x10ull
450 #define MFC_STATE1_MASTER_RUN_CONTROL_MASK	0x20ull
451 #define MFC_STATE1_TABLE_SEARCH_MASK		0x40ull
452 	u64 mfc_lpid_RW;					/* 0x008 */
453 	u64 spu_idr_RW;						/* 0x010 */
454 	u64 mfc_vr_RO;						/* 0x018 */
455 #define MFC_VERSION_BITS		(0xffff << 16)
456 #define MFC_REVISION_BITS		(0xffff)
457 #define MFC_GET_VERSION_BITS(vr)	(((vr) & MFC_VERSION_BITS) >> 16)
458 #define MFC_GET_REVISION_BITS(vr)	((vr) & MFC_REVISION_BITS)
459 	u64 spu_vr_RO;						/* 0x020 */
460 #define SPU_VERSION_BITS		(0xffff << 16)
461 #define SPU_REVISION_BITS		(0xffff)
462 #define SPU_GET_VERSION_BITS(vr)	(vr & SPU_VERSION_BITS) >> 16
463 #define SPU_GET_REVISION_BITS(vr)	(vr & SPU_REVISION_BITS)
464 	u8  pad_0x28_0x100[0x100 - 0x28];			/* 0x28 */
465 
466 	/* Interrupt Area */
467 	u64 int_mask_RW[3];					/* 0x100 */
468 #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR		0x1L
469 #define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR		0x2L
470 #define CLASS0_ENABLE_SPU_ERROR_INTR			0x4L
471 #define CLASS0_ENABLE_MFC_FIR_INTR			0x8L
472 #define CLASS1_ENABLE_SEGMENT_FAULT_INTR		0x1L
473 #define CLASS1_ENABLE_STORAGE_FAULT_INTR		0x2L
474 #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR	0x4L
475 #define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR	0x8L
476 #define CLASS2_ENABLE_MAILBOX_INTR			0x1L
477 #define CLASS2_ENABLE_SPU_STOP_INTR			0x2L
478 #define CLASS2_ENABLE_SPU_HALT_INTR			0x4L
479 #define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR	0x8L
480 #define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR		0x10L
481 	u8  pad_0x118_0x140[0x28];				/* 0x118 */
482 	u64 int_stat_RW[3];					/* 0x140 */
483 #define CLASS0_DMA_ALIGNMENT_INTR			0x1L
484 #define CLASS0_INVALID_DMA_COMMAND_INTR			0x2L
485 #define CLASS0_SPU_ERROR_INTR				0x4L
486 #define CLASS0_INTR_MASK				0x7L
487 #define CLASS1_SEGMENT_FAULT_INTR			0x1L
488 #define CLASS1_STORAGE_FAULT_INTR			0x2L
489 #define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR		0x4L
490 #define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR		0x8L
491 #define CLASS1_INTR_MASK				0xfL
492 #define CLASS2_MAILBOX_INTR				0x1L
493 #define CLASS2_SPU_STOP_INTR				0x2L
494 #define CLASS2_SPU_HALT_INTR				0x4L
495 #define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR		0x8L
496 #define CLASS2_MAILBOX_THRESHOLD_INTR			0x10L
497 #define CLASS2_INTR_MASK				0x1fL
498 	u8  pad_0x158_0x180[0x28];				/* 0x158 */
499 	u64 int_route_RW;					/* 0x180 */
500 
501 	/* Interrupt Routing */
502 	u8  pad_0x188_0x200[0x200 - 0x188];			/* 0x188 */
503 
504 	/* Atomic Unit Control Area */
505 	u64 mfc_atomic_flush_RW;				/* 0x200 */
506 #define mfc_atomic_flush_enable			0x1L
507 	u8  pad_0x208_0x280[0x78];				/* 0x208 */
508 	u64 resource_allocation_groupID_RW;			/* 0x280 */
509 	u64 resource_allocation_enable_RW; 			/* 0x288 */
510 	u8  pad_0x290_0x3c8[0x3c8 - 0x290];			/* 0x290 */
511 
512 	/* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
513 
514 	u64 smf_sbi_signal_sel;					/* 0x3c8 */
515 #define smf_sbi_mask_lsb	56
516 #define smf_sbi_shift		(63 - smf_sbi_mask_lsb)
517 #define smf_sbi_mask		(0x301LL << smf_sbi_shift)
518 #define smf_sbi_bus0_bits	(0x001LL << smf_sbi_shift)
519 #define smf_sbi_bus2_bits	(0x100LL << smf_sbi_shift)
520 #define smf_sbi2_bus0_bits	(0x201LL << smf_sbi_shift)
521 #define smf_sbi2_bus2_bits	(0x300LL << smf_sbi_shift)
522 	u64 smf_ato_signal_sel;					/* 0x3d0 */
523 #define smf_ato_mask_lsb	35
524 #define smf_ato_shift		(63 - smf_ato_mask_lsb)
525 #define smf_ato_mask		(0x3LL << smf_ato_shift)
526 #define smf_ato_bus0_bits	(0x2LL << smf_ato_shift)
527 #define smf_ato_bus2_bits	(0x1LL << smf_ato_shift)
528 	u8  pad_0x3d8_0x400[0x400 - 0x3d8];			/* 0x3d8 */
529 
530 	/* TLB Management Registers */
531 	u64 mfc_sdr_RW;						/* 0x400 */
532 	u8  pad_0x408_0x500[0xf8];				/* 0x408 */
533 	u64 tlb_index_hint_RO;					/* 0x500 */
534 	u64 tlb_index_W;					/* 0x508 */
535 	u64 tlb_vpn_RW;						/* 0x510 */
536 	u64 tlb_rpn_RW;						/* 0x518 */
537 	u8  pad_0x520_0x540[0x20];				/* 0x520 */
538 	u64 tlb_invalidate_entry_W;				/* 0x540 */
539 	u64 tlb_invalidate_all_W;				/* 0x548 */
540 	u8  pad_0x550_0x580[0x580 - 0x550];			/* 0x550 */
541 
542 	/* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
543 	u64 smm_hid;						/* 0x580 */
544 #define PAGE_SIZE_MASK		0xf000000000000000ull
545 #define PAGE_SIZE_16MB_64KB	0x2000000000000000ull
546 	u8  pad_0x588_0x600[0x600 - 0x588];			/* 0x588 */
547 
548 	/* MFC Status/Control Area */
549 	u64 mfc_accr_RW;					/* 0x600 */
550 #define MFC_ACCR_EA_ACCESS_GET		(1 << 0)
551 #define MFC_ACCR_EA_ACCESS_PUT		(1 << 1)
552 #define MFC_ACCR_LS_ACCESS_GET		(1 << 3)
553 #define MFC_ACCR_LS_ACCESS_PUT		(1 << 4)
554 	u8  pad_0x608_0x610[0x8];				/* 0x608 */
555 	u64 mfc_dsisr_RW;					/* 0x610 */
556 #define MFC_DSISR_PTE_NOT_FOUND		(1 << 30)
557 #define MFC_DSISR_ACCESS_DENIED		(1 << 27)
558 #define MFC_DSISR_ATOMIC		(1 << 26)
559 #define MFC_DSISR_ACCESS_PUT		(1 << 25)
560 #define MFC_DSISR_ADDR_MATCH		(1 << 22)
561 #define MFC_DSISR_LS			(1 << 17)
562 #define MFC_DSISR_L			(1 << 16)
563 #define MFC_DSISR_ADDRESS_OVERFLOW	(1 << 0)
564 	u8  pad_0x618_0x620[0x8];				/* 0x618 */
565 	u64 mfc_dar_RW;						/* 0x620 */
566 	u8  pad_0x628_0x700[0x700 - 0x628];			/* 0x628 */
567 
568 	/* Replacement Management Table (RMT) Area */
569 	u64 rmt_index_RW;					/* 0x700 */
570 	u8  pad_0x708_0x710[0x8];				/* 0x708 */
571 	u64 rmt_data1_RW;					/* 0x710 */
572 	u8  pad_0x718_0x800[0x800 - 0x718];			/* 0x718 */
573 
574 	/* Control/Configuration Registers */
575 	u64 mfc_dsir_R;						/* 0x800 */
576 #define MFC_DSIR_Q			(1 << 31)
577 #define MFC_DSIR_SPU_QUEUE		MFC_DSIR_Q
578 	u64 mfc_lsacr_RW;					/* 0x808 */
579 #define MFC_LSACR_COMPARE_MASK		((~0ull) << 32)
580 #define MFC_LSACR_COMPARE_ADDR		((~0ull) >> 32)
581 	u64 mfc_lscrr_R;					/* 0x810 */
582 #define MFC_LSCRR_Q			(1 << 31)
583 #define MFC_LSCRR_SPU_QUEUE		MFC_LSCRR_Q
584 #define MFC_LSCRR_QI_SHIFT		32
585 #define MFC_LSCRR_QI_MASK		((~0ull) << MFC_LSCRR_QI_SHIFT)
586 	u8  pad_0x818_0x820[0x8];				/* 0x818 */
587 	u64 mfc_tclass_id_RW;					/* 0x820 */
588 #define MFC_TCLASS_ID_ENABLE		(1L << 0L)
589 #define MFC_TCLASS_SLOT2_ENABLE		(1L << 5L)
590 #define MFC_TCLASS_SLOT1_ENABLE		(1L << 6L)
591 #define MFC_TCLASS_SLOT0_ENABLE		(1L << 7L)
592 #define MFC_TCLASS_QUOTA_2_SHIFT	8L
593 #define MFC_TCLASS_QUOTA_1_SHIFT	16L
594 #define MFC_TCLASS_QUOTA_0_SHIFT	24L
595 #define MFC_TCLASS_QUOTA_2_MASK		(0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
596 #define MFC_TCLASS_QUOTA_1_MASK		(0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
597 #define MFC_TCLASS_QUOTA_0_MASK		(0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
598 	u8  pad_0x828_0x900[0x900 - 0x828];			/* 0x828 */
599 
600 	/* Real Mode Support Registers */
601 	u64 mfc_rm_boundary;					/* 0x900 */
602 	u8  pad_0x908_0x938[0x30];				/* 0x908 */
603 	u64 smf_dma_signal_sel;					/* 0x938 */
604 #define mfc_dma1_mask_lsb	41
605 #define mfc_dma1_shift		(63 - mfc_dma1_mask_lsb)
606 #define mfc_dma1_mask		(0x3LL << mfc_dma1_shift)
607 #define mfc_dma1_bits		(0x1LL << mfc_dma1_shift)
608 #define mfc_dma2_mask_lsb	43
609 #define mfc_dma2_shift		(63 - mfc_dma2_mask_lsb)
610 #define mfc_dma2_mask		(0x3LL << mfc_dma2_shift)
611 #define mfc_dma2_bits		(0x1LL << mfc_dma2_shift)
612 	u8  pad_0x940_0xa38[0xf8];				/* 0x940 */
613 	u64 smm_signal_sel;					/* 0xa38 */
614 #define smm_sig_mask_lsb	12
615 #define smm_sig_shift		(63 - smm_sig_mask_lsb)
616 #define smm_sig_mask		(0x3LL << smm_sig_shift)
617 #define smm_sig_bus0_bits	(0x2LL << smm_sig_shift)
618 #define smm_sig_bus2_bits	(0x1LL << smm_sig_shift)
619 	u8  pad_0xa40_0xc00[0xc00 - 0xa40];			/* 0xa40 */
620 
621 	/* DMA Command Error Area */
622 	u64 mfc_cer_R;						/* 0xc00 */
623 #define MFC_CER_Q		(1 << 31)
624 #define MFC_CER_SPU_QUEUE	MFC_CER_Q
625 	u8  pad_0xc08_0x1000[0x1000 - 0xc08];			/* 0xc08 */
626 
627 	/* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
628 	/* DMA Command Error Area */
629 	u64 spu_ecc_cntl_RW;					/* 0x1000 */
630 #define SPU_ECC_CNTL_E			(1ull << 0ull)
631 #define SPU_ECC_CNTL_ENABLE		SPU_ECC_CNTL_E
632 #define SPU_ECC_CNTL_DISABLE		(~SPU_ECC_CNTL_E & 1L)
633 #define SPU_ECC_CNTL_S			(1ull << 1ull)
634 #define SPU_ECC_STOP_AFTER_ERROR	SPU_ECC_CNTL_S
635 #define SPU_ECC_CONTINUE_AFTER_ERROR	(~SPU_ECC_CNTL_S & 2L)
636 #define SPU_ECC_CNTL_B			(1ull << 2ull)
637 #define SPU_ECC_BACKGROUND_ENABLE	SPU_ECC_CNTL_B
638 #define SPU_ECC_BACKGROUND_DISABLE	(~SPU_ECC_CNTL_B & 4L)
639 #define SPU_ECC_CNTL_I_SHIFT		3ull
640 #define SPU_ECC_CNTL_I_MASK		(3ull << SPU_ECC_CNTL_I_SHIFT)
641 #define SPU_ECC_WRITE_ALWAYS		(~SPU_ECC_CNTL_I & 12L)
642 #define SPU_ECC_WRITE_CORRECTABLE	(1ull << SPU_ECC_CNTL_I_SHIFT)
643 #define SPU_ECC_WRITE_UNCORRECTABLE	(3ull << SPU_ECC_CNTL_I_SHIFT)
644 #define SPU_ECC_CNTL_D			(1ull << 5ull)
645 #define SPU_ECC_DETECTION_ENABLE	SPU_ECC_CNTL_D
646 #define SPU_ECC_DETECTION_DISABLE	(~SPU_ECC_CNTL_D & 32L)
647 	u64 spu_ecc_stat_RW;					/* 0x1008 */
648 #define SPU_ECC_CORRECTED_ERROR		(1ull << 0ul)
649 #define SPU_ECC_UNCORRECTED_ERROR	(1ull << 1ul)
650 #define SPU_ECC_SCRUB_COMPLETE		(1ull << 2ul)
651 #define SPU_ECC_SCRUB_IN_PROGRESS	(1ull << 3ul)
652 #define SPU_ECC_INSTRUCTION_ERROR	(1ull << 4ul)
653 #define SPU_ECC_DATA_ERROR		(1ull << 5ul)
654 #define SPU_ECC_DMA_ERROR		(1ull << 6ul)
655 #define SPU_ECC_STATUS_CNT_MASK		(256ull << 8)
656 	u64 spu_ecc_addr_RW;					/* 0x1010 */
657 	u64 spu_err_mask_RW;					/* 0x1018 */
658 #define SPU_ERR_ILLEGAL_INSTR		(1ull << 0ul)
659 #define SPU_ERR_ILLEGAL_CHANNEL		(1ull << 1ul)
660 	u8  pad_0x1020_0x1028[0x1028 - 0x1020];			/* 0x1020 */
661 
662 	/* SPU Debug-Trace Bus (DTB) Selection Registers */
663 	u64 spu_trig0_sel;					/* 0x1028 */
664 	u64 spu_trig1_sel;					/* 0x1030 */
665 	u64 spu_trig2_sel;					/* 0x1038 */
666 	u64 spu_trig3_sel;					/* 0x1040 */
667 	u64 spu_trace_sel;					/* 0x1048 */
668 #define spu_trace_sel_mask		0x1f1fLL
669 #define spu_trace_sel_bus0_bits		0x1000LL
670 #define spu_trace_sel_bus2_bits		0x0010LL
671 	u64 spu_event0_sel;					/* 0x1050 */
672 	u64 spu_event1_sel;					/* 0x1058 */
673 	u64 spu_event2_sel;					/* 0x1060 */
674 	u64 spu_event3_sel;					/* 0x1068 */
675 	u64 spu_trace_cntl;					/* 0x1070 */
676 } __attribute__ ((aligned(0x2000)));
677 
678 #endif /* __KERNEL__ */
679 #endif
680