xref: /openbmc/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