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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;
107
Arnd Bergmann67207b92005-11-15 15:53:48 -0500108struct spu {
Jeremy Kerrc61c27d2006-07-12 15:39:54 +1000109 const char *name;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500110 unsigned long local_store_phys;
111 u8 *local_store;
Mark Nutter6df10a82006-03-23 00:00:12 +0100112 unsigned long problem_phys;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500113 struct spu_problem __iomem *problem;
114 struct spu_priv1 __iomem *priv1;
115 struct spu_priv2 __iomem *priv2;
116 struct list_head list;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500117 struct list_head sched_list;
Christian Kraffte570beb2006-10-24 18:31:23 +0200118 struct list_head full_list;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500119 int number;
Jeremy Kerr8261aa62006-05-01 12:16:13 -0700120 int nid;
Benjamin Herrenschmidt0ebfff12006-07-03 21:36:01 +1000121 unsigned int irqs[3];
Arnd Bergmann67207b92005-11-15 15:53:48 -0500122 u32 node;
Mark Nutter5473af02005-11-15 15:53:49 -0500123 u64 flags;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500124 u64 dar;
125 u64 dsisr;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500126 size_t ls_size;
127 unsigned int slb_replace;
128 struct mm_struct *mm;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500129 struct spu_context *ctx;
130 struct spu_runqueue *rq;
Arnd Bergmann2a911f02005-12-05 22:52:26 -0500131 unsigned long long timestamp;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500132 pid_t pid;
133 int prio;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500134 int class_0_pending;
135 spinlock_t register_lock;
136
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500137 void (* wbox_callback)(struct spu *spu);
138 void (* ibox_callback)(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500139 void (* stop_callback)(struct spu *spu);
Arnd Bergmanna33a7d72006-03-23 00:00:11 +0100140 void (* mfc_callback)(struct spu *spu);
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200141 void (* dma_callback)(struct spu *spu, int type);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500142
143 char irq_c0[8];
144 char irq_c1[8];
145 char irq_c2[8];
Jeremy Kerr1d640932006-06-19 20:33:19 +0200146
Christian Kraffte570beb2006-10-24 18:31:23 +0200147 struct device_node *devnode;
148
Jeremy Kerr1d640932006-06-19 20:33:19 +0200149 struct sys_device sysdev;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500150};
151
152struct spu *spu_alloc(void);
Mark Nuttera68cf982006-10-04 17:26:12 +0200153struct spu *spu_alloc_node(int node);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500154void spu_free(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500155int spu_irq_class_0_bottom(struct spu *spu);
156int spu_irq_class_1_bottom(struct spu *spu);
Arnd Bergmann2fb9d202006-01-05 14:05:29 +0000157void spu_irq_setaffinity(struct spu *spu, int cpu);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500158
Arnd Bergmann2dd14932006-03-23 00:00:09 +0100159/* system callbacks from the SPU */
160struct spu_syscall_block {
161 u64 nr_ret;
162 u64 parm[6];
163};
164extern long spu_sys_callback(struct spu_syscall_block *s);
165
166/* syscalls implemented in spufs */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500167extern struct spufs_calls {
168 asmlinkage long (*create_thread)(const char __user *name,
169 unsigned int flags, mode_t mode);
170 asmlinkage long (*spu_run)(struct file *filp, __u32 __user *unpc,
171 __u32 __user *ustatus);
172 struct module *owner;
173} spufs_calls;
174
Dwayne Grant McConnellbf1ab972006-11-23 00:46:37 +0100175/* coredump calls implemented in spufs */
176struct spu_coredump_calls {
177 asmlinkage int (*arch_notes_size)(void);
178 asmlinkage void (*arch_write_notes)(struct file *file);
179 struct module *owner;
180};
181
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200182/* return status from spu_run, same as in libspe */
183#define SPE_EVENT_DMA_ALIGNMENT 0x0008 /*A DMA alignment error */
184#define SPE_EVENT_SPE_ERROR 0x0010 /*An illegal instruction error*/
185#define SPE_EVENT_SPE_DATA_SEGMENT 0x0020 /*A DMA segmentation error */
186#define SPE_EVENT_SPE_DATA_STORAGE 0x0040 /*A DMA storage error */
187#define SPE_EVENT_INVALID_DMA 0x0800 /* Invalid MFC DMA */
188
189/*
190 * Flags for sys_spu_create.
191 */
192#define SPU_CREATE_EVENTS_ENABLED 0x0001
Arnd Bergmann62632032006-10-04 17:26:15 +0200193#define SPU_CREATE_GANG 0x0002
Mark Nutter5737edd2006-10-24 18:31:16 +0200194#define SPU_CREATE_NOSCHED 0x0004
195#define SPU_CREATE_ISOLATE 0x0008
Arnd Bergmann62632032006-10-04 17:26:15 +0200196
Mark Nutter5737edd2006-10-24 18:31:16 +0200197#define SPU_CREATE_FLAG_ALL 0x000f /* mask of all valid flags */
Arnd Bergmann62632032006-10-04 17:26:15 +0200198
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200199
Arnd Bergmann67207b92005-11-15 15:53:48 -0500200#ifdef CONFIG_SPU_FS_MODULE
201int register_spu_syscalls(struct spufs_calls *calls);
202void unregister_spu_syscalls(struct spufs_calls *calls);
203#else
204static inline int register_spu_syscalls(struct spufs_calls *calls)
205{
206 return 0;
207}
208static inline void unregister_spu_syscalls(struct spufs_calls *calls)
209{
210}
211#endif /* MODULE */
212
Dwayne Grant McConnellbf1ab972006-11-23 00:46:37 +0100213int register_arch_coredump_calls(struct spu_coredump_calls *calls);
214void unregister_arch_coredump_calls(struct spu_coredump_calls *calls);
215
Christian Kraffte570beb2006-10-24 18:31:23 +0200216int spu_add_sysdev_attr(struct sysdev_attribute *attr);
217void spu_remove_sysdev_attr(struct sysdev_attribute *attr);
218
219int spu_add_sysdev_attr_group(struct attribute_group *attrs);
220void spu_remove_sysdev_attr_group(struct attribute_group *attrs);
221
Arnd Bergmann67207b92005-11-15 15:53:48 -0500222
223/*
Arnd Bergmann86767272006-10-04 17:26:21 +0200224 * Notifier blocks:
225 *
226 * oprofile can get notified when a context switch is performed
227 * on an spe. The notifer function that gets called is passed
228 * a pointer to the SPU structure as well as the object-id that
229 * identifies the binary running on that SPU now.
230 *
231 * For a context save, the object-id that is passed is zero,
232 * identifying that the kernel will run from that moment on.
233 *
234 * For a context restore, the object-id is the value written
235 * to object-id spufs file from user space and the notifer
236 * function can assume that spu->ctx is valid.
237 */
238int spu_switch_event_register(struct notifier_block * n);
239int spu_switch_event_unregister(struct notifier_block * n);
240
241/*
Arnd Bergmann67207b92005-11-15 15:53:48 -0500242 * This defines the Local Store, Problem Area and Privlege Area of an SPU.
243 */
244
245union mfc_tag_size_class_cmd {
246 struct {
247 u16 mfc_size;
248 u16 mfc_tag;
249 u8 pad;
250 u8 mfc_rclassid;
251 u16 mfc_cmd;
252 } u;
253 struct {
254 u32 mfc_size_tag32;
255 u32 mfc_class_cmd32;
256 } by32;
257 u64 all64;
258};
259
260struct mfc_cq_sr {
261 u64 mfc_cq_data0_RW;
262 u64 mfc_cq_data1_RW;
263 u64 mfc_cq_data2_RW;
264 u64 mfc_cq_data3_RW;
265};
266
267struct spu_problem {
268#define MS_SYNC_PENDING 1L
269 u64 spc_mssync_RW; /* 0x0000 */
270 u8 pad_0x0008_0x3000[0x3000 - 0x0008];
271
272 /* DMA Area */
273 u8 pad_0x3000_0x3004[0x4]; /* 0x3000 */
274 u32 mfc_lsa_W; /* 0x3004 */
275 u64 mfc_ea_W; /* 0x3008 */
276 union mfc_tag_size_class_cmd mfc_union_W; /* 0x3010 */
277 u8 pad_0x3018_0x3104[0xec]; /* 0x3018 */
278 u32 dma_qstatus_R; /* 0x3104 */
279 u8 pad_0x3108_0x3204[0xfc]; /* 0x3108 */
280 u32 dma_querytype_RW; /* 0x3204 */
281 u8 pad_0x3208_0x321c[0x14]; /* 0x3208 */
282 u32 dma_querymask_RW; /* 0x321c */
283 u8 pad_0x3220_0x322c[0xc]; /* 0x3220 */
284 u32 dma_tagstatus_R; /* 0x322c */
285#define DMA_TAGSTATUS_INTR_ANY 1u
286#define DMA_TAGSTATUS_INTR_ALL 2u
287 u8 pad_0x3230_0x4000[0x4000 - 0x3230]; /* 0x3230 */
288
289 /* SPU Control Area */
290 u8 pad_0x4000_0x4004[0x4]; /* 0x4000 */
291 u32 pu_mb_R; /* 0x4004 */
292 u8 pad_0x4008_0x400c[0x4]; /* 0x4008 */
293 u32 spu_mb_W; /* 0x400c */
294 u8 pad_0x4010_0x4014[0x4]; /* 0x4010 */
295 u32 mb_stat_R; /* 0x4014 */
296 u8 pad_0x4018_0x401c[0x4]; /* 0x4018 */
297 u32 spu_runcntl_RW; /* 0x401c */
298#define SPU_RUNCNTL_STOP 0L
299#define SPU_RUNCNTL_RUNNABLE 1L
Mark Nutter5737edd2006-10-24 18:31:16 +0200300#define SPU_RUNCNTL_ISOLATE 2L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500301 u8 pad_0x4020_0x4024[0x4]; /* 0x4020 */
302 u32 spu_status_R; /* 0x4024 */
303#define SPU_STOP_STATUS_SHIFT 16
304#define SPU_STATUS_STOPPED 0x0
305#define SPU_STATUS_RUNNING 0x1
306#define SPU_STATUS_STOPPED_BY_STOP 0x2
307#define SPU_STATUS_STOPPED_BY_HALT 0x4
308#define SPU_STATUS_WAITING_FOR_CHANNEL 0x8
309#define SPU_STATUS_SINGLE_STEP 0x10
310#define SPU_STATUS_INVALID_INSTR 0x20
311#define SPU_STATUS_INVALID_CH 0x40
312#define SPU_STATUS_ISOLATED_STATE 0x80
arnd@arndb.deeb758ce2006-10-24 18:31:17 +0200313#define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
314#define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
Arnd Bergmann67207b92005-11-15 15:53:48 -0500315 u8 pad_0x4028_0x402c[0x4]; /* 0x4028 */
316 u32 spu_spe_R; /* 0x402c */
317 u8 pad_0x4030_0x4034[0x4]; /* 0x4030 */
318 u32 spu_npc_RW; /* 0x4034 */
319 u8 pad_0x4038_0x14000[0x14000 - 0x4038]; /* 0x4038 */
320
321 /* Signal Notification Area */
322 u8 pad_0x14000_0x1400c[0xc]; /* 0x14000 */
323 u32 signal_notify1; /* 0x1400c */
324 u8 pad_0x14010_0x1c00c[0x7ffc]; /* 0x14010 */
325 u32 signal_notify2; /* 0x1c00c */
326} __attribute__ ((aligned(0x20000)));
327
328/* SPU Privilege 2 State Area */
329struct spu_priv2 {
330 /* MFC Registers */
331 u8 pad_0x0000_0x1100[0x1100 - 0x0000]; /* 0x0000 */
332
333 /* SLB Management Registers */
334 u8 pad_0x1100_0x1108[0x8]; /* 0x1100 */
335 u64 slb_index_W; /* 0x1108 */
336#define SLB_INDEX_MASK 0x7L
337 u64 slb_esid_RW; /* 0x1110 */
338 u64 slb_vsid_RW; /* 0x1118 */
339#define SLB_VSID_SUPERVISOR_STATE (0x1ull << 11)
340#define SLB_VSID_SUPERVISOR_STATE_MASK (0x1ull << 11)
341#define SLB_VSID_PROBLEM_STATE (0x1ull << 10)
342#define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
343#define SLB_VSID_EXECUTE_SEGMENT (0x1ull << 9)
344#define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
345#define SLB_VSID_EXECUTE_SEGMENT_MASK (0x1ull << 9)
346#define SLB_VSID_4K_PAGE (0x0 << 8)
347#define SLB_VSID_LARGE_PAGE (0x1ull << 8)
348#define SLB_VSID_PAGE_SIZE_MASK (0x1ull << 8)
349#define SLB_VSID_CLASS_MASK (0x1ull << 7)
350#define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
351 u64 slb_invalidate_entry_W; /* 0x1120 */
352 u64 slb_invalidate_all_W; /* 0x1128 */
353 u8 pad_0x1130_0x2000[0x2000 - 0x1130]; /* 0x1130 */
354
355 /* Context Save / Restore Area */
356 struct mfc_cq_sr spuq[16]; /* 0x2000 */
357 struct mfc_cq_sr puq[8]; /* 0x2200 */
358 u8 pad_0x2300_0x3000[0x3000 - 0x2300]; /* 0x2300 */
359
360 /* MFC Control */
361 u64 mfc_control_RW; /* 0x3000 */
362#define MFC_CNTL_RESUME_DMA_QUEUE (0ull << 0)
363#define MFC_CNTL_SUSPEND_DMA_QUEUE (1ull << 0)
364#define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK (1ull << 0)
365#define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION (0ull << 8)
366#define MFC_CNTL_SUSPEND_IN_PROGRESS (1ull << 8)
367#define MFC_CNTL_SUSPEND_COMPLETE (3ull << 8)
368#define MFC_CNTL_SUSPEND_DMA_STATUS_MASK (3ull << 8)
369#define MFC_CNTL_DMA_QUEUES_EMPTY (1ull << 14)
370#define MFC_CNTL_DMA_QUEUES_EMPTY_MASK (1ull << 14)
371#define MFC_CNTL_PURGE_DMA_REQUEST (1ull << 15)
372#define MFC_CNTL_PURGE_DMA_IN_PROGRESS (1ull << 24)
373#define MFC_CNTL_PURGE_DMA_COMPLETE (3ull << 24)
374#define MFC_CNTL_PURGE_DMA_STATUS_MASK (3ull << 24)
375#define MFC_CNTL_RESTART_DMA_COMMAND (1ull << 32)
376#define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING (1ull << 32)
377#define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
378#define MFC_CNTL_MFC_PRIVILEGE_STATE (2ull << 33)
379#define MFC_CNTL_MFC_PROBLEM_STATE (3ull << 33)
380#define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK (3ull << 33)
381#define MFC_CNTL_DECREMENTER_HALTED (1ull << 35)
382#define MFC_CNTL_DECREMENTER_RUNNING (1ull << 40)
383#define MFC_CNTL_DECREMENTER_STATUS_MASK (1ull << 40)
384 u8 pad_0x3008_0x4000[0x4000 - 0x3008]; /* 0x3008 */
385
386 /* Interrupt Mailbox */
387 u64 puint_mb_R; /* 0x4000 */
388 u8 pad_0x4008_0x4040[0x4040 - 0x4008]; /* 0x4008 */
389
390 /* SPU Control */
391 u64 spu_privcntl_RW; /* 0x4040 */
392#define SPU_PRIVCNTL_MODE_NORMAL (0x0ull << 0)
393#define SPU_PRIVCNTL_MODE_SINGLE_STEP (0x1ull << 0)
394#define SPU_PRIVCNTL_MODE_MASK (0x1ull << 0)
395#define SPU_PRIVCNTL_NO_ATTENTION_EVENT (0x0ull << 1)
396#define SPU_PRIVCNTL_ATTENTION_EVENT (0x1ull << 1)
397#define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
398#define SPU_PRIVCNT_LOAD_REQUEST_NORMAL (0x0ull << 2)
399#define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK (0x1ull << 2)
400 u8 pad_0x4048_0x4058[0x10]; /* 0x4048 */
401 u64 spu_lslr_RW; /* 0x4058 */
402 u64 spu_chnlcntptr_RW; /* 0x4060 */
403 u64 spu_chnlcnt_RW; /* 0x4068 */
404 u64 spu_chnldata_RW; /* 0x4070 */
405 u64 spu_cfg_RW; /* 0x4078 */
406 u8 pad_0x4080_0x5000[0x5000 - 0x4080]; /* 0x4080 */
407
408 /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
409 u64 spu_pm_trace_tag_status_RW; /* 0x5000 */
410 u64 spu_tag_status_query_RW; /* 0x5008 */
411#define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
412#define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
413 u64 spu_cmd_buf1_RW; /* 0x5010 */
414#define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
415#define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
416 u64 spu_cmd_buf2_RW; /* 0x5018 */
417#define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
418#define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
419#define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
420 u64 spu_atomic_status_RW; /* 0x5020 */
421} __attribute__ ((aligned(0x20000)));
422
423/* SPU Privilege 1 State Area */
424struct spu_priv1 {
425 /* Control and Configuration Area */
426 u64 mfc_sr1_RW; /* 0x000 */
427#define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK 0x01ull
428#define MFC_STATE1_BUS_TLBIE_MASK 0x02ull
429#define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
430#define MFC_STATE1_PROBLEM_STATE_MASK 0x08ull
431#define MFC_STATE1_RELOCATE_MASK 0x10ull
432#define MFC_STATE1_MASTER_RUN_CONTROL_MASK 0x20ull
433 u64 mfc_lpid_RW; /* 0x008 */
434 u64 spu_idr_RW; /* 0x010 */
435 u64 mfc_vr_RO; /* 0x018 */
436#define MFC_VERSION_BITS (0xffff << 16)
437#define MFC_REVISION_BITS (0xffff)
438#define MFC_GET_VERSION_BITS(vr) (((vr) & MFC_VERSION_BITS) >> 16)
439#define MFC_GET_REVISION_BITS(vr) ((vr) & MFC_REVISION_BITS)
440 u64 spu_vr_RO; /* 0x020 */
441#define SPU_VERSION_BITS (0xffff << 16)
442#define SPU_REVISION_BITS (0xffff)
443#define SPU_GET_VERSION_BITS(vr) (vr & SPU_VERSION_BITS) >> 16
444#define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS)
445 u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */
446
Arnd Bergmann67207b92005-11-15 15:53:48 -0500447 /* Interrupt Area */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100448 u64 int_mask_RW[3]; /* 0x100 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500449#define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L
450#define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR 0x2L
451#define CLASS0_ENABLE_SPU_ERROR_INTR 0x4L
452#define CLASS0_ENABLE_MFC_FIR_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500453#define CLASS1_ENABLE_SEGMENT_FAULT_INTR 0x1L
454#define CLASS1_ENABLE_STORAGE_FAULT_INTR 0x2L
455#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
456#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500457#define CLASS2_ENABLE_MAILBOX_INTR 0x1L
458#define CLASS2_ENABLE_SPU_STOP_INTR 0x2L
459#define CLASS2_ENABLE_SPU_HALT_INTR 0x4L
460#define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
461 u8 pad_0x118_0x140[0x28]; /* 0x118 */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100462 u64 int_stat_RW[3]; /* 0x140 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500463 u8 pad_0x158_0x180[0x28]; /* 0x158 */
464 u64 int_route_RW; /* 0x180 */
465
466 /* Interrupt Routing */
467 u8 pad_0x188_0x200[0x200 - 0x188]; /* 0x188 */
468
469 /* Atomic Unit Control Area */
470 u64 mfc_atomic_flush_RW; /* 0x200 */
471#define mfc_atomic_flush_enable 0x1L
472 u8 pad_0x208_0x280[0x78]; /* 0x208 */
473 u64 resource_allocation_groupID_RW; /* 0x280 */
474 u64 resource_allocation_enable_RW; /* 0x288 */
475 u8 pad_0x290_0x3c8[0x3c8 - 0x290]; /* 0x290 */
476
477 /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
478
479 u64 smf_sbi_signal_sel; /* 0x3c8 */
480#define smf_sbi_mask_lsb 56
481#define smf_sbi_shift (63 - smf_sbi_mask_lsb)
482#define smf_sbi_mask (0x301LL << smf_sbi_shift)
483#define smf_sbi_bus0_bits (0x001LL << smf_sbi_shift)
484#define smf_sbi_bus2_bits (0x100LL << smf_sbi_shift)
485#define smf_sbi2_bus0_bits (0x201LL << smf_sbi_shift)
486#define smf_sbi2_bus2_bits (0x300LL << smf_sbi_shift)
487 u64 smf_ato_signal_sel; /* 0x3d0 */
488#define smf_ato_mask_lsb 35
489#define smf_ato_shift (63 - smf_ato_mask_lsb)
490#define smf_ato_mask (0x3LL << smf_ato_shift)
491#define smf_ato_bus0_bits (0x2LL << smf_ato_shift)
492#define smf_ato_bus2_bits (0x1LL << smf_ato_shift)
493 u8 pad_0x3d8_0x400[0x400 - 0x3d8]; /* 0x3d8 */
494
495 /* TLB Management Registers */
496 u64 mfc_sdr_RW; /* 0x400 */
497 u8 pad_0x408_0x500[0xf8]; /* 0x408 */
498 u64 tlb_index_hint_RO; /* 0x500 */
499 u64 tlb_index_W; /* 0x508 */
500 u64 tlb_vpn_RW; /* 0x510 */
501 u64 tlb_rpn_RW; /* 0x518 */
502 u8 pad_0x520_0x540[0x20]; /* 0x520 */
503 u64 tlb_invalidate_entry_W; /* 0x540 */
504 u64 tlb_invalidate_all_W; /* 0x548 */
505 u8 pad_0x550_0x580[0x580 - 0x550]; /* 0x550 */
506
507 /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
508 u64 smm_hid; /* 0x580 */
509#define PAGE_SIZE_MASK 0xf000000000000000ull
510#define PAGE_SIZE_16MB_64KB 0x2000000000000000ull
511 u8 pad_0x588_0x600[0x600 - 0x588]; /* 0x588 */
512
513 /* MFC Status/Control Area */
514 u64 mfc_accr_RW; /* 0x600 */
515#define MFC_ACCR_EA_ACCESS_GET (1 << 0)
516#define MFC_ACCR_EA_ACCESS_PUT (1 << 1)
517#define MFC_ACCR_LS_ACCESS_GET (1 << 3)
518#define MFC_ACCR_LS_ACCESS_PUT (1 << 4)
519 u8 pad_0x608_0x610[0x8]; /* 0x608 */
520 u64 mfc_dsisr_RW; /* 0x610 */
521#define MFC_DSISR_PTE_NOT_FOUND (1 << 30)
522#define MFC_DSISR_ACCESS_DENIED (1 << 27)
523#define MFC_DSISR_ATOMIC (1 << 26)
524#define MFC_DSISR_ACCESS_PUT (1 << 25)
525#define MFC_DSISR_ADDR_MATCH (1 << 22)
526#define MFC_DSISR_LS (1 << 17)
527#define MFC_DSISR_L (1 << 16)
528#define MFC_DSISR_ADDRESS_OVERFLOW (1 << 0)
529 u8 pad_0x618_0x620[0x8]; /* 0x618 */
530 u64 mfc_dar_RW; /* 0x620 */
531 u8 pad_0x628_0x700[0x700 - 0x628]; /* 0x628 */
532
533 /* Replacement Management Table (RMT) Area */
534 u64 rmt_index_RW; /* 0x700 */
535 u8 pad_0x708_0x710[0x8]; /* 0x708 */
536 u64 rmt_data1_RW; /* 0x710 */
537 u8 pad_0x718_0x800[0x800 - 0x718]; /* 0x718 */
538
539 /* Control/Configuration Registers */
540 u64 mfc_dsir_R; /* 0x800 */
541#define MFC_DSIR_Q (1 << 31)
542#define MFC_DSIR_SPU_QUEUE MFC_DSIR_Q
543 u64 mfc_lsacr_RW; /* 0x808 */
544#define MFC_LSACR_COMPARE_MASK ((~0ull) << 32)
545#define MFC_LSACR_COMPARE_ADDR ((~0ull) >> 32)
546 u64 mfc_lscrr_R; /* 0x810 */
547#define MFC_LSCRR_Q (1 << 31)
548#define MFC_LSCRR_SPU_QUEUE MFC_LSCRR_Q
549#define MFC_LSCRR_QI_SHIFT 32
550#define MFC_LSCRR_QI_MASK ((~0ull) << MFC_LSCRR_QI_SHIFT)
551 u8 pad_0x818_0x820[0x8]; /* 0x818 */
552 u64 mfc_tclass_id_RW; /* 0x820 */
553#define MFC_TCLASS_ID_ENABLE (1L << 0L)
554#define MFC_TCLASS_SLOT2_ENABLE (1L << 5L)
555#define MFC_TCLASS_SLOT1_ENABLE (1L << 6L)
556#define MFC_TCLASS_SLOT0_ENABLE (1L << 7L)
557#define MFC_TCLASS_QUOTA_2_SHIFT 8L
558#define MFC_TCLASS_QUOTA_1_SHIFT 16L
559#define MFC_TCLASS_QUOTA_0_SHIFT 24L
560#define MFC_TCLASS_QUOTA_2_MASK (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
561#define MFC_TCLASS_QUOTA_1_MASK (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
562#define MFC_TCLASS_QUOTA_0_MASK (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
563 u8 pad_0x828_0x900[0x900 - 0x828]; /* 0x828 */
564
565 /* Real Mode Support Registers */
566 u64 mfc_rm_boundary; /* 0x900 */
567 u8 pad_0x908_0x938[0x30]; /* 0x908 */
568 u64 smf_dma_signal_sel; /* 0x938 */
569#define mfc_dma1_mask_lsb 41
570#define mfc_dma1_shift (63 - mfc_dma1_mask_lsb)
571#define mfc_dma1_mask (0x3LL << mfc_dma1_shift)
572#define mfc_dma1_bits (0x1LL << mfc_dma1_shift)
573#define mfc_dma2_mask_lsb 43
574#define mfc_dma2_shift (63 - mfc_dma2_mask_lsb)
575#define mfc_dma2_mask (0x3LL << mfc_dma2_shift)
576#define mfc_dma2_bits (0x1LL << mfc_dma2_shift)
577 u8 pad_0x940_0xa38[0xf8]; /* 0x940 */
578 u64 smm_signal_sel; /* 0xa38 */
579#define smm_sig_mask_lsb 12
580#define smm_sig_shift (63 - smm_sig_mask_lsb)
581#define smm_sig_mask (0x3LL << smm_sig_shift)
582#define smm_sig_bus0_bits (0x2LL << smm_sig_shift)
583#define smm_sig_bus2_bits (0x1LL << smm_sig_shift)
584 u8 pad_0xa40_0xc00[0xc00 - 0xa40]; /* 0xa40 */
585
586 /* DMA Command Error Area */
587 u64 mfc_cer_R; /* 0xc00 */
588#define MFC_CER_Q (1 << 31)
589#define MFC_CER_SPU_QUEUE MFC_CER_Q
590 u8 pad_0xc08_0x1000[0x1000 - 0xc08]; /* 0xc08 */
591
592 /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
593 /* DMA Command Error Area */
594 u64 spu_ecc_cntl_RW; /* 0x1000 */
595#define SPU_ECC_CNTL_E (1ull << 0ull)
596#define SPU_ECC_CNTL_ENABLE SPU_ECC_CNTL_E
597#define SPU_ECC_CNTL_DISABLE (~SPU_ECC_CNTL_E & 1L)
598#define SPU_ECC_CNTL_S (1ull << 1ull)
599#define SPU_ECC_STOP_AFTER_ERROR SPU_ECC_CNTL_S
600#define SPU_ECC_CONTINUE_AFTER_ERROR (~SPU_ECC_CNTL_S & 2L)
601#define SPU_ECC_CNTL_B (1ull << 2ull)
602#define SPU_ECC_BACKGROUND_ENABLE SPU_ECC_CNTL_B
603#define SPU_ECC_BACKGROUND_DISABLE (~SPU_ECC_CNTL_B & 4L)
604#define SPU_ECC_CNTL_I_SHIFT 3ull
605#define SPU_ECC_CNTL_I_MASK (3ull << SPU_ECC_CNTL_I_SHIFT)
606#define SPU_ECC_WRITE_ALWAYS (~SPU_ECC_CNTL_I & 12L)
607#define SPU_ECC_WRITE_CORRECTABLE (1ull << SPU_ECC_CNTL_I_SHIFT)
608#define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
609#define SPU_ECC_CNTL_D (1ull << 5ull)
610#define SPU_ECC_DETECTION_ENABLE SPU_ECC_CNTL_D
611#define SPU_ECC_DETECTION_DISABLE (~SPU_ECC_CNTL_D & 32L)
612 u64 spu_ecc_stat_RW; /* 0x1008 */
613#define SPU_ECC_CORRECTED_ERROR (1ull << 0ul)
614#define SPU_ECC_UNCORRECTED_ERROR (1ull << 1ul)
615#define SPU_ECC_SCRUB_COMPLETE (1ull << 2ul)
616#define SPU_ECC_SCRUB_IN_PROGRESS (1ull << 3ul)
617#define SPU_ECC_INSTRUCTION_ERROR (1ull << 4ul)
618#define SPU_ECC_DATA_ERROR (1ull << 5ul)
619#define SPU_ECC_DMA_ERROR (1ull << 6ul)
620#define SPU_ECC_STATUS_CNT_MASK (256ull << 8)
621 u64 spu_ecc_addr_RW; /* 0x1010 */
622 u64 spu_err_mask_RW; /* 0x1018 */
623#define SPU_ERR_ILLEGAL_INSTR (1ull << 0ul)
624#define SPU_ERR_ILLEGAL_CHANNEL (1ull << 1ul)
625 u8 pad_0x1020_0x1028[0x1028 - 0x1020]; /* 0x1020 */
626
627 /* SPU Debug-Trace Bus (DTB) Selection Registers */
628 u64 spu_trig0_sel; /* 0x1028 */
629 u64 spu_trig1_sel; /* 0x1030 */
630 u64 spu_trig2_sel; /* 0x1038 */
631 u64 spu_trig3_sel; /* 0x1040 */
632 u64 spu_trace_sel; /* 0x1048 */
633#define spu_trace_sel_mask 0x1f1fLL
634#define spu_trace_sel_bus0_bits 0x1000LL
635#define spu_trace_sel_bus2_bits 0x0010LL
636 u64 spu_event0_sel; /* 0x1050 */
637 u64 spu_event1_sel; /* 0x1058 */
638 u64 spu_event2_sel; /* 0x1060 */
639 u64 spu_event3_sel; /* 0x1068 */
640 u64 spu_trace_cntl; /* 0x1070 */
641} __attribute__ ((aligned(0x2000)));
642
Arnd Bergmann88ced032005-12-16 22:43:46 +0100643#endif /* __KERNEL__ */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500644#endif