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Arnd Bergmann67207b92005-11-15 15:53:48 -05001/*
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
Arnd Bergmann88ced032005-12-16 22:43:46 +010025#ifdef __KERNEL__
26
Arnd Bergmann67207b92005-11-15 15:53:48 -050027#include <linux/workqueue.h>
Jeremy Kerr1d640932006-06-19 20:33:19 +020028#include <linux/sysdev.h>
Arnd Bergmann67207b92005-11-15 15:53:48 -050029
Arnd Bergmannaeb01372006-01-04 20:31:32 +010030#define LS_SIZE (256 * 1024)
Mark Nutter5473af02005-11-15 15:53:49 -050031#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/* Flags indicating progress during context switch. */
Arnd Bergmann8837d922006-01-04 20:31:28 +0100102#define SPU_CONTEXT_SWITCH_PENDING 0UL
103#define SPU_CONTEXT_SWITCH_ACTIVE 1UL
Arnd Bergmann67207b92005-11-15 15:53:48 -0500104
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500105struct spu_context;
106struct spu_runqueue;
Ishizaki Kouc9868fe2007-02-02 16:45:33 +0900107struct device_node;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500108
Christoph Hellwigfe2f8962007-06-29 10:58:07 +1000109enum spu_utilization_state {
110 SPU_UTIL_SYSTEM,
111 SPU_UTIL_USER,
112 SPU_UTIL_IOWAIT,
113 SPU_UTIL_IDLE,
114 SPU_UTIL_MAX
115};
116
Arnd Bergmann67207b92005-11-15 15:53:48 -0500117struct spu {
Jeremy Kerrc61c27d2006-07-12 15:39:54 +1000118 const char *name;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500119 unsigned long local_store_phys;
120 u8 *local_store;
Mark Nutter6df10a82006-03-23 00:00:12 +0100121 unsigned long problem_phys;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500122 struct spu_problem __iomem *problem;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500123 struct spu_priv2 __iomem *priv2;
124 struct list_head list;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500125 struct list_head sched_list;
Christian Kraffte570beb2006-10-24 18:31:23 +0200126 struct list_head full_list;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500127 int number;
Benjamin Herrenschmidt0ebfff12006-07-03 21:36:01 +1000128 unsigned int irqs[3];
Arnd Bergmann67207b92005-11-15 15:53:48 -0500129 u32 node;
Mark Nutter5473af02005-11-15 15:53:49 -0500130 u64 flags;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500131 u64 dar;
132 u64 dsisr;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500133 size_t ls_size;
134 unsigned int slb_replace;
135 struct mm_struct *mm;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500136 struct spu_context *ctx;
137 struct spu_runqueue *rq;
Arnd Bergmann2a911f02005-12-05 22:52:26 -0500138 unsigned long long timestamp;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500139 pid_t pid;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500140 int class_0_pending;
141 spinlock_t register_lock;
142
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500143 void (* wbox_callback)(struct spu *spu);
144 void (* ibox_callback)(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500145 void (* stop_callback)(struct spu *spu);
Arnd Bergmanna33a7d72006-03-23 00:00:11 +0100146 void (* mfc_callback)(struct spu *spu);
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200147 void (* dma_callback)(struct spu *spu, int type);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500148
149 char irq_c0[8];
150 char irq_c1[8];
151 char irq_c2[8];
Jeremy Kerr1d640932006-06-19 20:33:19 +0200152
Ishizaki Kouc9868fe2007-02-02 16:45:33 +0900153 u64 spe_id;
154
Geoff Levande28b0032006-11-23 00:46:49 +0100155 void* pdata; /* platform private data */
Ishizaki Kouc9868fe2007-02-02 16:45:33 +0900156
157 /* of based platforms only */
158 struct device_node *devnode;
159
160 /* native only */
161 struct spu_priv1 __iomem *priv1;
162
163 /* beat only */
164 u64 shadow_int_mask_RW[3];
165
Jeremy Kerr1d640932006-06-19 20:33:19 +0200166 struct sys_device sysdev;
Christoph Hellwige9f8a0b2007-06-29 10:58:03 +1000167
168 struct {
169 /* protected by interrupt reentrancy */
Christoph Hellwigfe2f8962007-06-29 10:58:07 +1000170 enum spu_utilization_state utilization_state;
171 unsigned long tstamp; /* time of last ctx switch */
172 unsigned long times[SPU_UTIL_MAX];
173 unsigned long long vol_ctx_switch;
174 unsigned long long invol_ctx_switch;
175 unsigned long long min_flt;
176 unsigned long long maj_flt;
177 unsigned long long hash_flt;
Christoph Hellwige9f8a0b2007-06-29 10:58:03 +1000178 unsigned long long slb_flt;
179 unsigned long long class2_intr;
Christoph Hellwigfe2f8962007-06-29 10:58:07 +1000180 unsigned long long libassist;
Christoph Hellwige9f8a0b2007-06-29 10:58:03 +1000181 } stats;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500182};
183
184struct spu *spu_alloc(void);
Mark Nuttera68cf982006-10-04 17:26:12 +0200185struct spu *spu_alloc_node(int node);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500186void spu_free(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500187int spu_irq_class_0_bottom(struct spu *spu);
188int spu_irq_class_1_bottom(struct spu *spu);
Arnd Bergmann2fb9d202006-01-05 14:05:29 +0000189void spu_irq_setaffinity(struct spu *spu, int cpu);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500190
Benjamin Herrenschmidt94b2a432007-03-10 00:05:37 +0100191extern void spu_invalidate_slbs(struct spu *spu);
192extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
193
194/* Calls from the memory management to the SPU */
195struct mm_struct;
196extern void spu_flush_all_slbs(struct mm_struct *mm);
197
Arnd Bergmann2dd14932006-03-23 00:00:09 +0100198/* system callbacks from the SPU */
199struct spu_syscall_block {
200 u64 nr_ret;
201 u64 parm[6];
202};
203extern long spu_sys_callback(struct spu_syscall_block *s);
204
205/* syscalls implemented in spufs */
Arnd Bergmannf1fa16e2006-12-19 15:32:42 +0100206struct file;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500207extern struct spufs_calls {
208 asmlinkage long (*create_thread)(const char __user *name,
209 unsigned int flags, mode_t mode);
210 asmlinkage long (*spu_run)(struct file *filp, __u32 __user *unpc,
211 __u32 __user *ustatus);
212 struct module *owner;
213} spufs_calls;
214
Dwayne Grant McConnellbf1ab972006-11-23 00:46:37 +0100215/* coredump calls implemented in spufs */
216struct spu_coredump_calls {
217 asmlinkage int (*arch_notes_size)(void);
218 asmlinkage void (*arch_write_notes)(struct file *file);
219 struct module *owner;
220};
221
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200222/* return status from spu_run, same as in libspe */
223#define SPE_EVENT_DMA_ALIGNMENT 0x0008 /*A DMA alignment error */
224#define SPE_EVENT_SPE_ERROR 0x0010 /*An illegal instruction error*/
225#define SPE_EVENT_SPE_DATA_SEGMENT 0x0020 /*A DMA segmentation error */
226#define SPE_EVENT_SPE_DATA_STORAGE 0x0040 /*A DMA storage error */
227#define SPE_EVENT_INVALID_DMA 0x0800 /* Invalid MFC DMA */
228
229/*
230 * Flags for sys_spu_create.
231 */
232#define SPU_CREATE_EVENTS_ENABLED 0x0001
Arnd Bergmann62632032006-10-04 17:26:15 +0200233#define SPU_CREATE_GANG 0x0002
Mark Nutter5737edd2006-10-24 18:31:16 +0200234#define SPU_CREATE_NOSCHED 0x0004
235#define SPU_CREATE_ISOLATE 0x0008
Arnd Bergmann62632032006-10-04 17:26:15 +0200236
Mark Nutter5737edd2006-10-24 18:31:16 +0200237#define SPU_CREATE_FLAG_ALL 0x000f /* mask of all valid flags */
Arnd Bergmann62632032006-10-04 17:26:15 +0200238
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200239
Arnd Bergmann67207b92005-11-15 15:53:48 -0500240#ifdef CONFIG_SPU_FS_MODULE
241int register_spu_syscalls(struct spufs_calls *calls);
242void unregister_spu_syscalls(struct spufs_calls *calls);
243#else
244static inline int register_spu_syscalls(struct spufs_calls *calls)
245{
246 return 0;
247}
248static inline void unregister_spu_syscalls(struct spufs_calls *calls)
249{
250}
251#endif /* MODULE */
252
Dwayne Grant McConnellbf1ab972006-11-23 00:46:37 +0100253int register_arch_coredump_calls(struct spu_coredump_calls *calls);
254void unregister_arch_coredump_calls(struct spu_coredump_calls *calls);
255
Christian Kraffte570beb2006-10-24 18:31:23 +0200256int spu_add_sysdev_attr(struct sysdev_attribute *attr);
257void spu_remove_sysdev_attr(struct sysdev_attribute *attr);
258
259int spu_add_sysdev_attr_group(struct attribute_group *attrs);
260void spu_remove_sysdev_attr_group(struct attribute_group *attrs);
261
Arnd Bergmann67207b92005-11-15 15:53:48 -0500262
263/*
Arnd Bergmann86767272006-10-04 17:26:21 +0200264 * Notifier blocks:
265 *
266 * oprofile can get notified when a context switch is performed
267 * on an spe. The notifer function that gets called is passed
268 * a pointer to the SPU structure as well as the object-id that
269 * identifies the binary running on that SPU now.
270 *
271 * For a context save, the object-id that is passed is zero,
272 * identifying that the kernel will run from that moment on.
273 *
274 * For a context restore, the object-id is the value written
275 * to object-id spufs file from user space and the notifer
276 * function can assume that spu->ctx is valid.
277 */
Arnd Bergmannf1fa16e2006-12-19 15:32:42 +0100278struct notifier_block;
Arnd Bergmann86767272006-10-04 17:26:21 +0200279int spu_switch_event_register(struct notifier_block * n);
280int spu_switch_event_unregister(struct notifier_block * n);
281
282/*
Arnd Bergmann67207b92005-11-15 15:53:48 -0500283 * This defines the Local Store, Problem Area and Privlege Area of an SPU.
284 */
285
286union mfc_tag_size_class_cmd {
287 struct {
288 u16 mfc_size;
289 u16 mfc_tag;
290 u8 pad;
291 u8 mfc_rclassid;
292 u16 mfc_cmd;
293 } u;
294 struct {
295 u32 mfc_size_tag32;
296 u32 mfc_class_cmd32;
297 } by32;
298 u64 all64;
299};
300
301struct mfc_cq_sr {
302 u64 mfc_cq_data0_RW;
303 u64 mfc_cq_data1_RW;
304 u64 mfc_cq_data2_RW;
305 u64 mfc_cq_data3_RW;
306};
307
308struct spu_problem {
309#define MS_SYNC_PENDING 1L
310 u64 spc_mssync_RW; /* 0x0000 */
311 u8 pad_0x0008_0x3000[0x3000 - 0x0008];
312
313 /* DMA Area */
314 u8 pad_0x3000_0x3004[0x4]; /* 0x3000 */
315 u32 mfc_lsa_W; /* 0x3004 */
316 u64 mfc_ea_W; /* 0x3008 */
317 union mfc_tag_size_class_cmd mfc_union_W; /* 0x3010 */
318 u8 pad_0x3018_0x3104[0xec]; /* 0x3018 */
319 u32 dma_qstatus_R; /* 0x3104 */
320 u8 pad_0x3108_0x3204[0xfc]; /* 0x3108 */
321 u32 dma_querytype_RW; /* 0x3204 */
322 u8 pad_0x3208_0x321c[0x14]; /* 0x3208 */
323 u32 dma_querymask_RW; /* 0x321c */
324 u8 pad_0x3220_0x322c[0xc]; /* 0x3220 */
325 u32 dma_tagstatus_R; /* 0x322c */
326#define DMA_TAGSTATUS_INTR_ANY 1u
327#define DMA_TAGSTATUS_INTR_ALL 2u
328 u8 pad_0x3230_0x4000[0x4000 - 0x3230]; /* 0x3230 */
329
330 /* SPU Control Area */
331 u8 pad_0x4000_0x4004[0x4]; /* 0x4000 */
332 u32 pu_mb_R; /* 0x4004 */
333 u8 pad_0x4008_0x400c[0x4]; /* 0x4008 */
334 u32 spu_mb_W; /* 0x400c */
335 u8 pad_0x4010_0x4014[0x4]; /* 0x4010 */
336 u32 mb_stat_R; /* 0x4014 */
337 u8 pad_0x4018_0x401c[0x4]; /* 0x4018 */
338 u32 spu_runcntl_RW; /* 0x401c */
339#define SPU_RUNCNTL_STOP 0L
340#define SPU_RUNCNTL_RUNNABLE 1L
Mark Nutter5737edd2006-10-24 18:31:16 +0200341#define SPU_RUNCNTL_ISOLATE 2L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500342 u8 pad_0x4020_0x4024[0x4]; /* 0x4020 */
343 u32 spu_status_R; /* 0x4024 */
344#define SPU_STOP_STATUS_SHIFT 16
345#define SPU_STATUS_STOPPED 0x0
346#define SPU_STATUS_RUNNING 0x1
347#define SPU_STATUS_STOPPED_BY_STOP 0x2
348#define SPU_STATUS_STOPPED_BY_HALT 0x4
349#define SPU_STATUS_WAITING_FOR_CHANNEL 0x8
350#define SPU_STATUS_SINGLE_STEP 0x10
351#define SPU_STATUS_INVALID_INSTR 0x20
352#define SPU_STATUS_INVALID_CH 0x40
353#define SPU_STATUS_ISOLATED_STATE 0x80
arnd@arndb.deeb758ce2006-10-24 18:31:17 +0200354#define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
355#define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
Arnd Bergmann67207b92005-11-15 15:53:48 -0500356 u8 pad_0x4028_0x402c[0x4]; /* 0x4028 */
357 u32 spu_spe_R; /* 0x402c */
358 u8 pad_0x4030_0x4034[0x4]; /* 0x4030 */
359 u32 spu_npc_RW; /* 0x4034 */
360 u8 pad_0x4038_0x14000[0x14000 - 0x4038]; /* 0x4038 */
361
362 /* Signal Notification Area */
363 u8 pad_0x14000_0x1400c[0xc]; /* 0x14000 */
364 u32 signal_notify1; /* 0x1400c */
365 u8 pad_0x14010_0x1c00c[0x7ffc]; /* 0x14010 */
366 u32 signal_notify2; /* 0x1c00c */
367} __attribute__ ((aligned(0x20000)));
368
369/* SPU Privilege 2 State Area */
370struct spu_priv2 {
371 /* MFC Registers */
372 u8 pad_0x0000_0x1100[0x1100 - 0x0000]; /* 0x0000 */
373
374 /* SLB Management Registers */
375 u8 pad_0x1100_0x1108[0x8]; /* 0x1100 */
376 u64 slb_index_W; /* 0x1108 */
377#define SLB_INDEX_MASK 0x7L
378 u64 slb_esid_RW; /* 0x1110 */
379 u64 slb_vsid_RW; /* 0x1118 */
380#define SLB_VSID_SUPERVISOR_STATE (0x1ull << 11)
381#define SLB_VSID_SUPERVISOR_STATE_MASK (0x1ull << 11)
382#define SLB_VSID_PROBLEM_STATE (0x1ull << 10)
383#define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
384#define SLB_VSID_EXECUTE_SEGMENT (0x1ull << 9)
385#define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
386#define SLB_VSID_EXECUTE_SEGMENT_MASK (0x1ull << 9)
387#define SLB_VSID_4K_PAGE (0x0 << 8)
388#define SLB_VSID_LARGE_PAGE (0x1ull << 8)
389#define SLB_VSID_PAGE_SIZE_MASK (0x1ull << 8)
390#define SLB_VSID_CLASS_MASK (0x1ull << 7)
391#define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
392 u64 slb_invalidate_entry_W; /* 0x1120 */
393 u64 slb_invalidate_all_W; /* 0x1128 */
394 u8 pad_0x1130_0x2000[0x2000 - 0x1130]; /* 0x1130 */
395
396 /* Context Save / Restore Area */
397 struct mfc_cq_sr spuq[16]; /* 0x2000 */
398 struct mfc_cq_sr puq[8]; /* 0x2200 */
399 u8 pad_0x2300_0x3000[0x3000 - 0x2300]; /* 0x2300 */
400
401 /* MFC Control */
402 u64 mfc_control_RW; /* 0x3000 */
403#define MFC_CNTL_RESUME_DMA_QUEUE (0ull << 0)
404#define MFC_CNTL_SUSPEND_DMA_QUEUE (1ull << 0)
405#define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK (1ull << 0)
406#define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION (0ull << 8)
407#define MFC_CNTL_SUSPEND_IN_PROGRESS (1ull << 8)
408#define MFC_CNTL_SUSPEND_COMPLETE (3ull << 8)
409#define MFC_CNTL_SUSPEND_DMA_STATUS_MASK (3ull << 8)
410#define MFC_CNTL_DMA_QUEUES_EMPTY (1ull << 14)
411#define MFC_CNTL_DMA_QUEUES_EMPTY_MASK (1ull << 14)
412#define MFC_CNTL_PURGE_DMA_REQUEST (1ull << 15)
413#define MFC_CNTL_PURGE_DMA_IN_PROGRESS (1ull << 24)
414#define MFC_CNTL_PURGE_DMA_COMPLETE (3ull << 24)
415#define MFC_CNTL_PURGE_DMA_STATUS_MASK (3ull << 24)
416#define MFC_CNTL_RESTART_DMA_COMMAND (1ull << 32)
417#define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING (1ull << 32)
418#define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
419#define MFC_CNTL_MFC_PRIVILEGE_STATE (2ull << 33)
420#define MFC_CNTL_MFC_PROBLEM_STATE (3ull << 33)
421#define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK (3ull << 33)
422#define MFC_CNTL_DECREMENTER_HALTED (1ull << 35)
423#define MFC_CNTL_DECREMENTER_RUNNING (1ull << 40)
424#define MFC_CNTL_DECREMENTER_STATUS_MASK (1ull << 40)
425 u8 pad_0x3008_0x4000[0x4000 - 0x3008]; /* 0x3008 */
426
427 /* Interrupt Mailbox */
428 u64 puint_mb_R; /* 0x4000 */
429 u8 pad_0x4008_0x4040[0x4040 - 0x4008]; /* 0x4008 */
430
431 /* SPU Control */
432 u64 spu_privcntl_RW; /* 0x4040 */
433#define SPU_PRIVCNTL_MODE_NORMAL (0x0ull << 0)
434#define SPU_PRIVCNTL_MODE_SINGLE_STEP (0x1ull << 0)
435#define SPU_PRIVCNTL_MODE_MASK (0x1ull << 0)
436#define SPU_PRIVCNTL_NO_ATTENTION_EVENT (0x0ull << 1)
437#define SPU_PRIVCNTL_ATTENTION_EVENT (0x1ull << 1)
438#define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
439#define SPU_PRIVCNT_LOAD_REQUEST_NORMAL (0x0ull << 2)
440#define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK (0x1ull << 2)
441 u8 pad_0x4048_0x4058[0x10]; /* 0x4048 */
442 u64 spu_lslr_RW; /* 0x4058 */
443 u64 spu_chnlcntptr_RW; /* 0x4060 */
444 u64 spu_chnlcnt_RW; /* 0x4068 */
445 u64 spu_chnldata_RW; /* 0x4070 */
446 u64 spu_cfg_RW; /* 0x4078 */
447 u8 pad_0x4080_0x5000[0x5000 - 0x4080]; /* 0x4080 */
448
449 /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
450 u64 spu_pm_trace_tag_status_RW; /* 0x5000 */
451 u64 spu_tag_status_query_RW; /* 0x5008 */
452#define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
453#define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
454 u64 spu_cmd_buf1_RW; /* 0x5010 */
455#define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
456#define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
457 u64 spu_cmd_buf2_RW; /* 0x5018 */
458#define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
459#define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
460#define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
461 u64 spu_atomic_status_RW; /* 0x5020 */
462} __attribute__ ((aligned(0x20000)));
463
464/* SPU Privilege 1 State Area */
465struct spu_priv1 {
466 /* Control and Configuration Area */
467 u64 mfc_sr1_RW; /* 0x000 */
468#define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK 0x01ull
469#define MFC_STATE1_BUS_TLBIE_MASK 0x02ull
470#define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
471#define MFC_STATE1_PROBLEM_STATE_MASK 0x08ull
472#define MFC_STATE1_RELOCATE_MASK 0x10ull
473#define MFC_STATE1_MASTER_RUN_CONTROL_MASK 0x20ull
Sebastian Siewiorbe703172007-06-29 10:57:50 +1000474#define MFC_STATE1_TABLE_SEARCH_MASK 0x40ull
Arnd Bergmann67207b92005-11-15 15:53:48 -0500475 u64 mfc_lpid_RW; /* 0x008 */
476 u64 spu_idr_RW; /* 0x010 */
477 u64 mfc_vr_RO; /* 0x018 */
478#define MFC_VERSION_BITS (0xffff << 16)
479#define MFC_REVISION_BITS (0xffff)
480#define MFC_GET_VERSION_BITS(vr) (((vr) & MFC_VERSION_BITS) >> 16)
481#define MFC_GET_REVISION_BITS(vr) ((vr) & MFC_REVISION_BITS)
482 u64 spu_vr_RO; /* 0x020 */
483#define SPU_VERSION_BITS (0xffff << 16)
484#define SPU_REVISION_BITS (0xffff)
485#define SPU_GET_VERSION_BITS(vr) (vr & SPU_VERSION_BITS) >> 16
486#define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS)
487 u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */
488
Arnd Bergmann67207b92005-11-15 15:53:48 -0500489 /* Interrupt Area */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100490 u64 int_mask_RW[3]; /* 0x100 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500491#define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L
492#define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR 0x2L
493#define CLASS0_ENABLE_SPU_ERROR_INTR 0x4L
494#define CLASS0_ENABLE_MFC_FIR_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500495#define CLASS1_ENABLE_SEGMENT_FAULT_INTR 0x1L
496#define CLASS1_ENABLE_STORAGE_FAULT_INTR 0x2L
497#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
498#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500499#define CLASS2_ENABLE_MAILBOX_INTR 0x1L
500#define CLASS2_ENABLE_SPU_STOP_INTR 0x2L
501#define CLASS2_ENABLE_SPU_HALT_INTR 0x4L
502#define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
503 u8 pad_0x118_0x140[0x28]; /* 0x118 */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100504 u64 int_stat_RW[3]; /* 0x140 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500505 u8 pad_0x158_0x180[0x28]; /* 0x158 */
506 u64 int_route_RW; /* 0x180 */
507
508 /* Interrupt Routing */
509 u8 pad_0x188_0x200[0x200 - 0x188]; /* 0x188 */
510
511 /* Atomic Unit Control Area */
512 u64 mfc_atomic_flush_RW; /* 0x200 */
513#define mfc_atomic_flush_enable 0x1L
514 u8 pad_0x208_0x280[0x78]; /* 0x208 */
515 u64 resource_allocation_groupID_RW; /* 0x280 */
516 u64 resource_allocation_enable_RW; /* 0x288 */
517 u8 pad_0x290_0x3c8[0x3c8 - 0x290]; /* 0x290 */
518
519 /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
520
521 u64 smf_sbi_signal_sel; /* 0x3c8 */
522#define smf_sbi_mask_lsb 56
523#define smf_sbi_shift (63 - smf_sbi_mask_lsb)
524#define smf_sbi_mask (0x301LL << smf_sbi_shift)
525#define smf_sbi_bus0_bits (0x001LL << smf_sbi_shift)
526#define smf_sbi_bus2_bits (0x100LL << smf_sbi_shift)
527#define smf_sbi2_bus0_bits (0x201LL << smf_sbi_shift)
528#define smf_sbi2_bus2_bits (0x300LL << smf_sbi_shift)
529 u64 smf_ato_signal_sel; /* 0x3d0 */
530#define smf_ato_mask_lsb 35
531#define smf_ato_shift (63 - smf_ato_mask_lsb)
532#define smf_ato_mask (0x3LL << smf_ato_shift)
533#define smf_ato_bus0_bits (0x2LL << smf_ato_shift)
534#define smf_ato_bus2_bits (0x1LL << smf_ato_shift)
535 u8 pad_0x3d8_0x400[0x400 - 0x3d8]; /* 0x3d8 */
536
537 /* TLB Management Registers */
538 u64 mfc_sdr_RW; /* 0x400 */
539 u8 pad_0x408_0x500[0xf8]; /* 0x408 */
540 u64 tlb_index_hint_RO; /* 0x500 */
541 u64 tlb_index_W; /* 0x508 */
542 u64 tlb_vpn_RW; /* 0x510 */
543 u64 tlb_rpn_RW; /* 0x518 */
544 u8 pad_0x520_0x540[0x20]; /* 0x520 */
545 u64 tlb_invalidate_entry_W; /* 0x540 */
546 u64 tlb_invalidate_all_W; /* 0x548 */
547 u8 pad_0x550_0x580[0x580 - 0x550]; /* 0x550 */
548
549 /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
550 u64 smm_hid; /* 0x580 */
551#define PAGE_SIZE_MASK 0xf000000000000000ull
552#define PAGE_SIZE_16MB_64KB 0x2000000000000000ull
553 u8 pad_0x588_0x600[0x600 - 0x588]; /* 0x588 */
554
555 /* MFC Status/Control Area */
556 u64 mfc_accr_RW; /* 0x600 */
557#define MFC_ACCR_EA_ACCESS_GET (1 << 0)
558#define MFC_ACCR_EA_ACCESS_PUT (1 << 1)
559#define MFC_ACCR_LS_ACCESS_GET (1 << 3)
560#define MFC_ACCR_LS_ACCESS_PUT (1 << 4)
561 u8 pad_0x608_0x610[0x8]; /* 0x608 */
562 u64 mfc_dsisr_RW; /* 0x610 */
563#define MFC_DSISR_PTE_NOT_FOUND (1 << 30)
564#define MFC_DSISR_ACCESS_DENIED (1 << 27)
565#define MFC_DSISR_ATOMIC (1 << 26)
566#define MFC_DSISR_ACCESS_PUT (1 << 25)
567#define MFC_DSISR_ADDR_MATCH (1 << 22)
568#define MFC_DSISR_LS (1 << 17)
569#define MFC_DSISR_L (1 << 16)
570#define MFC_DSISR_ADDRESS_OVERFLOW (1 << 0)
571 u8 pad_0x618_0x620[0x8]; /* 0x618 */
572 u64 mfc_dar_RW; /* 0x620 */
573 u8 pad_0x628_0x700[0x700 - 0x628]; /* 0x628 */
574
575 /* Replacement Management Table (RMT) Area */
576 u64 rmt_index_RW; /* 0x700 */
577 u8 pad_0x708_0x710[0x8]; /* 0x708 */
578 u64 rmt_data1_RW; /* 0x710 */
579 u8 pad_0x718_0x800[0x800 - 0x718]; /* 0x718 */
580
581 /* Control/Configuration Registers */
582 u64 mfc_dsir_R; /* 0x800 */
583#define MFC_DSIR_Q (1 << 31)
584#define MFC_DSIR_SPU_QUEUE MFC_DSIR_Q
585 u64 mfc_lsacr_RW; /* 0x808 */
586#define MFC_LSACR_COMPARE_MASK ((~0ull) << 32)
587#define MFC_LSACR_COMPARE_ADDR ((~0ull) >> 32)
588 u64 mfc_lscrr_R; /* 0x810 */
589#define MFC_LSCRR_Q (1 << 31)
590#define MFC_LSCRR_SPU_QUEUE MFC_LSCRR_Q
591#define MFC_LSCRR_QI_SHIFT 32
592#define MFC_LSCRR_QI_MASK ((~0ull) << MFC_LSCRR_QI_SHIFT)
593 u8 pad_0x818_0x820[0x8]; /* 0x818 */
594 u64 mfc_tclass_id_RW; /* 0x820 */
595#define MFC_TCLASS_ID_ENABLE (1L << 0L)
596#define MFC_TCLASS_SLOT2_ENABLE (1L << 5L)
597#define MFC_TCLASS_SLOT1_ENABLE (1L << 6L)
598#define MFC_TCLASS_SLOT0_ENABLE (1L << 7L)
599#define MFC_TCLASS_QUOTA_2_SHIFT 8L
600#define MFC_TCLASS_QUOTA_1_SHIFT 16L
601#define MFC_TCLASS_QUOTA_0_SHIFT 24L
602#define MFC_TCLASS_QUOTA_2_MASK (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
603#define MFC_TCLASS_QUOTA_1_MASK (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
604#define MFC_TCLASS_QUOTA_0_MASK (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
605 u8 pad_0x828_0x900[0x900 - 0x828]; /* 0x828 */
606
607 /* Real Mode Support Registers */
608 u64 mfc_rm_boundary; /* 0x900 */
609 u8 pad_0x908_0x938[0x30]; /* 0x908 */
610 u64 smf_dma_signal_sel; /* 0x938 */
611#define mfc_dma1_mask_lsb 41
612#define mfc_dma1_shift (63 - mfc_dma1_mask_lsb)
613#define mfc_dma1_mask (0x3LL << mfc_dma1_shift)
614#define mfc_dma1_bits (0x1LL << mfc_dma1_shift)
615#define mfc_dma2_mask_lsb 43
616#define mfc_dma2_shift (63 - mfc_dma2_mask_lsb)
617#define mfc_dma2_mask (0x3LL << mfc_dma2_shift)
618#define mfc_dma2_bits (0x1LL << mfc_dma2_shift)
619 u8 pad_0x940_0xa38[0xf8]; /* 0x940 */
620 u64 smm_signal_sel; /* 0xa38 */
621#define smm_sig_mask_lsb 12
622#define smm_sig_shift (63 - smm_sig_mask_lsb)
623#define smm_sig_mask (0x3LL << smm_sig_shift)
624#define smm_sig_bus0_bits (0x2LL << smm_sig_shift)
625#define smm_sig_bus2_bits (0x1LL << smm_sig_shift)
626 u8 pad_0xa40_0xc00[0xc00 - 0xa40]; /* 0xa40 */
627
628 /* DMA Command Error Area */
629 u64 mfc_cer_R; /* 0xc00 */
630#define MFC_CER_Q (1 << 31)
631#define MFC_CER_SPU_QUEUE MFC_CER_Q
632 u8 pad_0xc08_0x1000[0x1000 - 0xc08]; /* 0xc08 */
633
634 /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
635 /* DMA Command Error Area */
636 u64 spu_ecc_cntl_RW; /* 0x1000 */
637#define SPU_ECC_CNTL_E (1ull << 0ull)
638#define SPU_ECC_CNTL_ENABLE SPU_ECC_CNTL_E
639#define SPU_ECC_CNTL_DISABLE (~SPU_ECC_CNTL_E & 1L)
640#define SPU_ECC_CNTL_S (1ull << 1ull)
641#define SPU_ECC_STOP_AFTER_ERROR SPU_ECC_CNTL_S
642#define SPU_ECC_CONTINUE_AFTER_ERROR (~SPU_ECC_CNTL_S & 2L)
643#define SPU_ECC_CNTL_B (1ull << 2ull)
644#define SPU_ECC_BACKGROUND_ENABLE SPU_ECC_CNTL_B
645#define SPU_ECC_BACKGROUND_DISABLE (~SPU_ECC_CNTL_B & 4L)
646#define SPU_ECC_CNTL_I_SHIFT 3ull
647#define SPU_ECC_CNTL_I_MASK (3ull << SPU_ECC_CNTL_I_SHIFT)
648#define SPU_ECC_WRITE_ALWAYS (~SPU_ECC_CNTL_I & 12L)
649#define SPU_ECC_WRITE_CORRECTABLE (1ull << SPU_ECC_CNTL_I_SHIFT)
650#define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
651#define SPU_ECC_CNTL_D (1ull << 5ull)
652#define SPU_ECC_DETECTION_ENABLE SPU_ECC_CNTL_D
653#define SPU_ECC_DETECTION_DISABLE (~SPU_ECC_CNTL_D & 32L)
654 u64 spu_ecc_stat_RW; /* 0x1008 */
655#define SPU_ECC_CORRECTED_ERROR (1ull << 0ul)
656#define SPU_ECC_UNCORRECTED_ERROR (1ull << 1ul)
657#define SPU_ECC_SCRUB_COMPLETE (1ull << 2ul)
658#define SPU_ECC_SCRUB_IN_PROGRESS (1ull << 3ul)
659#define SPU_ECC_INSTRUCTION_ERROR (1ull << 4ul)
660#define SPU_ECC_DATA_ERROR (1ull << 5ul)
661#define SPU_ECC_DMA_ERROR (1ull << 6ul)
662#define SPU_ECC_STATUS_CNT_MASK (256ull << 8)
663 u64 spu_ecc_addr_RW; /* 0x1010 */
664 u64 spu_err_mask_RW; /* 0x1018 */
665#define SPU_ERR_ILLEGAL_INSTR (1ull << 0ul)
666#define SPU_ERR_ILLEGAL_CHANNEL (1ull << 1ul)
667 u8 pad_0x1020_0x1028[0x1028 - 0x1020]; /* 0x1020 */
668
669 /* SPU Debug-Trace Bus (DTB) Selection Registers */
670 u64 spu_trig0_sel; /* 0x1028 */
671 u64 spu_trig1_sel; /* 0x1030 */
672 u64 spu_trig2_sel; /* 0x1038 */
673 u64 spu_trig3_sel; /* 0x1040 */
674 u64 spu_trace_sel; /* 0x1048 */
675#define spu_trace_sel_mask 0x1f1fLL
676#define spu_trace_sel_bus0_bits 0x1000LL
677#define spu_trace_sel_bus2_bits 0x0010LL
678 u64 spu_event0_sel; /* 0x1050 */
679 u64 spu_event1_sel; /* 0x1058 */
680 u64 spu_event2_sel; /* 0x1060 */
681 u64 spu_event3_sel; /* 0x1068 */
682 u64 spu_trace_cntl; /* 0x1070 */
683} __attribute__ ((aligned(0x2000)));
684
Arnd Bergmann88ced032005-12-16 22:43:46 +0100685#endif /* __KERNEL__ */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500686#endif