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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;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500118 int number;
Jeremy Kerr8261aa62006-05-01 12:16:13 -0700119 int nid;
Benjamin Herrenschmidt0ebfff12006-07-03 21:36:01 +1000120 unsigned int irqs[3];
Arnd Bergmann67207b92005-11-15 15:53:48 -0500121 u32 node;
Mark Nutter5473af02005-11-15 15:53:49 -0500122 u64 flags;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500123 u64 dar;
124 u64 dsisr;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500125 size_t ls_size;
126 unsigned int slb_replace;
127 struct mm_struct *mm;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500128 struct spu_context *ctx;
129 struct spu_runqueue *rq;
Arnd Bergmann2a911f02005-12-05 22:52:26 -0500130 unsigned long long timestamp;
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500131 pid_t pid;
132 int prio;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500133 int class_0_pending;
134 spinlock_t register_lock;
135
Arnd Bergmann8b3d6662005-11-15 15:53:52 -0500136 void (* wbox_callback)(struct spu *spu);
137 void (* ibox_callback)(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500138 void (* stop_callback)(struct spu *spu);
Arnd Bergmanna33a7d72006-03-23 00:00:11 +0100139 void (* mfc_callback)(struct spu *spu);
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200140 void (* dma_callback)(struct spu *spu, int type);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500141
142 char irq_c0[8];
143 char irq_c1[8];
144 char irq_c2[8];
Jeremy Kerr1d640932006-06-19 20:33:19 +0200145
146 struct sys_device sysdev;
Arnd Bergmann67207b92005-11-15 15:53:48 -0500147};
148
149struct spu *spu_alloc(void);
Mark Nuttera68cf982006-10-04 17:26:12 +0200150struct spu *spu_alloc_node(int node);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500151void spu_free(struct spu *spu);
Arnd Bergmann51104592005-12-05 22:52:25 -0500152int spu_irq_class_0_bottom(struct spu *spu);
153int spu_irq_class_1_bottom(struct spu *spu);
Arnd Bergmann2fb9d202006-01-05 14:05:29 +0000154void spu_irq_setaffinity(struct spu *spu, int cpu);
Arnd Bergmann67207b92005-11-15 15:53:48 -0500155
Arnd Bergmann2dd14932006-03-23 00:00:09 +0100156/* system callbacks from the SPU */
157struct spu_syscall_block {
158 u64 nr_ret;
159 u64 parm[6];
160};
161extern long spu_sys_callback(struct spu_syscall_block *s);
162
163/* syscalls implemented in spufs */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500164extern struct spufs_calls {
165 asmlinkage long (*create_thread)(const char __user *name,
166 unsigned int flags, mode_t mode);
167 asmlinkage long (*spu_run)(struct file *filp, __u32 __user *unpc,
168 __u32 __user *ustatus);
169 struct module *owner;
170} spufs_calls;
171
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200172/* return status from spu_run, same as in libspe */
173#define SPE_EVENT_DMA_ALIGNMENT 0x0008 /*A DMA alignment error */
174#define SPE_EVENT_SPE_ERROR 0x0010 /*An illegal instruction error*/
175#define SPE_EVENT_SPE_DATA_SEGMENT 0x0020 /*A DMA segmentation error */
176#define SPE_EVENT_SPE_DATA_STORAGE 0x0040 /*A DMA storage error */
177#define SPE_EVENT_INVALID_DMA 0x0800 /* Invalid MFC DMA */
178
179/*
180 * Flags for sys_spu_create.
181 */
182#define SPU_CREATE_EVENTS_ENABLED 0x0001
Arnd Bergmann62632032006-10-04 17:26:15 +0200183#define SPU_CREATE_GANG 0x0002
Mark Nutter5737edd2006-10-24 18:31:16 +0200184#define SPU_CREATE_NOSCHED 0x0004
185#define SPU_CREATE_ISOLATE 0x0008
Arnd Bergmann62632032006-10-04 17:26:15 +0200186
Mark Nutter5737edd2006-10-24 18:31:16 +0200187#define SPU_CREATE_FLAG_ALL 0x000f /* mask of all valid flags */
Arnd Bergmann62632032006-10-04 17:26:15 +0200188
Arnd Bergmann9add11d2006-10-04 17:26:14 +0200189
Arnd Bergmann67207b92005-11-15 15:53:48 -0500190#ifdef CONFIG_SPU_FS_MODULE
191int register_spu_syscalls(struct spufs_calls *calls);
192void unregister_spu_syscalls(struct spufs_calls *calls);
193#else
194static inline int register_spu_syscalls(struct spufs_calls *calls)
195{
196 return 0;
197}
198static inline void unregister_spu_syscalls(struct spufs_calls *calls)
199{
200}
201#endif /* MODULE */
202
203
204/*
Arnd Bergmann86767272006-10-04 17:26:21 +0200205 * Notifier blocks:
206 *
207 * oprofile can get notified when a context switch is performed
208 * on an spe. The notifer function that gets called is passed
209 * a pointer to the SPU structure as well as the object-id that
210 * identifies the binary running on that SPU now.
211 *
212 * For a context save, the object-id that is passed is zero,
213 * identifying that the kernel will run from that moment on.
214 *
215 * For a context restore, the object-id is the value written
216 * to object-id spufs file from user space and the notifer
217 * function can assume that spu->ctx is valid.
218 */
219int spu_switch_event_register(struct notifier_block * n);
220int spu_switch_event_unregister(struct notifier_block * n);
221
222/*
Arnd Bergmann67207b92005-11-15 15:53:48 -0500223 * This defines the Local Store, Problem Area and Privlege Area of an SPU.
224 */
225
226union mfc_tag_size_class_cmd {
227 struct {
228 u16 mfc_size;
229 u16 mfc_tag;
230 u8 pad;
231 u8 mfc_rclassid;
232 u16 mfc_cmd;
233 } u;
234 struct {
235 u32 mfc_size_tag32;
236 u32 mfc_class_cmd32;
237 } by32;
238 u64 all64;
239};
240
241struct mfc_cq_sr {
242 u64 mfc_cq_data0_RW;
243 u64 mfc_cq_data1_RW;
244 u64 mfc_cq_data2_RW;
245 u64 mfc_cq_data3_RW;
246};
247
248struct spu_problem {
249#define MS_SYNC_PENDING 1L
250 u64 spc_mssync_RW; /* 0x0000 */
251 u8 pad_0x0008_0x3000[0x3000 - 0x0008];
252
253 /* DMA Area */
254 u8 pad_0x3000_0x3004[0x4]; /* 0x3000 */
255 u32 mfc_lsa_W; /* 0x3004 */
256 u64 mfc_ea_W; /* 0x3008 */
257 union mfc_tag_size_class_cmd mfc_union_W; /* 0x3010 */
258 u8 pad_0x3018_0x3104[0xec]; /* 0x3018 */
259 u32 dma_qstatus_R; /* 0x3104 */
260 u8 pad_0x3108_0x3204[0xfc]; /* 0x3108 */
261 u32 dma_querytype_RW; /* 0x3204 */
262 u8 pad_0x3208_0x321c[0x14]; /* 0x3208 */
263 u32 dma_querymask_RW; /* 0x321c */
264 u8 pad_0x3220_0x322c[0xc]; /* 0x3220 */
265 u32 dma_tagstatus_R; /* 0x322c */
266#define DMA_TAGSTATUS_INTR_ANY 1u
267#define DMA_TAGSTATUS_INTR_ALL 2u
268 u8 pad_0x3230_0x4000[0x4000 - 0x3230]; /* 0x3230 */
269
270 /* SPU Control Area */
271 u8 pad_0x4000_0x4004[0x4]; /* 0x4000 */
272 u32 pu_mb_R; /* 0x4004 */
273 u8 pad_0x4008_0x400c[0x4]; /* 0x4008 */
274 u32 spu_mb_W; /* 0x400c */
275 u8 pad_0x4010_0x4014[0x4]; /* 0x4010 */
276 u32 mb_stat_R; /* 0x4014 */
277 u8 pad_0x4018_0x401c[0x4]; /* 0x4018 */
278 u32 spu_runcntl_RW; /* 0x401c */
279#define SPU_RUNCNTL_STOP 0L
280#define SPU_RUNCNTL_RUNNABLE 1L
Mark Nutter5737edd2006-10-24 18:31:16 +0200281#define SPU_RUNCNTL_ISOLATE 2L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500282 u8 pad_0x4020_0x4024[0x4]; /* 0x4020 */
283 u32 spu_status_R; /* 0x4024 */
284#define SPU_STOP_STATUS_SHIFT 16
285#define SPU_STATUS_STOPPED 0x0
286#define SPU_STATUS_RUNNING 0x1
287#define SPU_STATUS_STOPPED_BY_STOP 0x2
288#define SPU_STATUS_STOPPED_BY_HALT 0x4
289#define SPU_STATUS_WAITING_FOR_CHANNEL 0x8
290#define SPU_STATUS_SINGLE_STEP 0x10
291#define SPU_STATUS_INVALID_INSTR 0x20
292#define SPU_STATUS_INVALID_CH 0x40
293#define SPU_STATUS_ISOLATED_STATE 0x80
arnd@arndb.deeb758ce2006-10-24 18:31:17 +0200294#define SPU_STATUS_ISOLATED_LOAD_STATUS 0x200
295#define SPU_STATUS_ISOLATED_EXIT_STATUS 0x400
Arnd Bergmann67207b92005-11-15 15:53:48 -0500296 u8 pad_0x4028_0x402c[0x4]; /* 0x4028 */
297 u32 spu_spe_R; /* 0x402c */
298 u8 pad_0x4030_0x4034[0x4]; /* 0x4030 */
299 u32 spu_npc_RW; /* 0x4034 */
300 u8 pad_0x4038_0x14000[0x14000 - 0x4038]; /* 0x4038 */
301
302 /* Signal Notification Area */
303 u8 pad_0x14000_0x1400c[0xc]; /* 0x14000 */
304 u32 signal_notify1; /* 0x1400c */
305 u8 pad_0x14010_0x1c00c[0x7ffc]; /* 0x14010 */
306 u32 signal_notify2; /* 0x1c00c */
307} __attribute__ ((aligned(0x20000)));
308
309/* SPU Privilege 2 State Area */
310struct spu_priv2 {
311 /* MFC Registers */
312 u8 pad_0x0000_0x1100[0x1100 - 0x0000]; /* 0x0000 */
313
314 /* SLB Management Registers */
315 u8 pad_0x1100_0x1108[0x8]; /* 0x1100 */
316 u64 slb_index_W; /* 0x1108 */
317#define SLB_INDEX_MASK 0x7L
318 u64 slb_esid_RW; /* 0x1110 */
319 u64 slb_vsid_RW; /* 0x1118 */
320#define SLB_VSID_SUPERVISOR_STATE (0x1ull << 11)
321#define SLB_VSID_SUPERVISOR_STATE_MASK (0x1ull << 11)
322#define SLB_VSID_PROBLEM_STATE (0x1ull << 10)
323#define SLB_VSID_PROBLEM_STATE_MASK (0x1ull << 10)
324#define SLB_VSID_EXECUTE_SEGMENT (0x1ull << 9)
325#define SLB_VSID_NO_EXECUTE_SEGMENT (0x1ull << 9)
326#define SLB_VSID_EXECUTE_SEGMENT_MASK (0x1ull << 9)
327#define SLB_VSID_4K_PAGE (0x0 << 8)
328#define SLB_VSID_LARGE_PAGE (0x1ull << 8)
329#define SLB_VSID_PAGE_SIZE_MASK (0x1ull << 8)
330#define SLB_VSID_CLASS_MASK (0x1ull << 7)
331#define SLB_VSID_VIRTUAL_PAGE_SIZE_MASK (0x1ull << 6)
332 u64 slb_invalidate_entry_W; /* 0x1120 */
333 u64 slb_invalidate_all_W; /* 0x1128 */
334 u8 pad_0x1130_0x2000[0x2000 - 0x1130]; /* 0x1130 */
335
336 /* Context Save / Restore Area */
337 struct mfc_cq_sr spuq[16]; /* 0x2000 */
338 struct mfc_cq_sr puq[8]; /* 0x2200 */
339 u8 pad_0x2300_0x3000[0x3000 - 0x2300]; /* 0x2300 */
340
341 /* MFC Control */
342 u64 mfc_control_RW; /* 0x3000 */
343#define MFC_CNTL_RESUME_DMA_QUEUE (0ull << 0)
344#define MFC_CNTL_SUSPEND_DMA_QUEUE (1ull << 0)
345#define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK (1ull << 0)
346#define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION (0ull << 8)
347#define MFC_CNTL_SUSPEND_IN_PROGRESS (1ull << 8)
348#define MFC_CNTL_SUSPEND_COMPLETE (3ull << 8)
349#define MFC_CNTL_SUSPEND_DMA_STATUS_MASK (3ull << 8)
350#define MFC_CNTL_DMA_QUEUES_EMPTY (1ull << 14)
351#define MFC_CNTL_DMA_QUEUES_EMPTY_MASK (1ull << 14)
352#define MFC_CNTL_PURGE_DMA_REQUEST (1ull << 15)
353#define MFC_CNTL_PURGE_DMA_IN_PROGRESS (1ull << 24)
354#define MFC_CNTL_PURGE_DMA_COMPLETE (3ull << 24)
355#define MFC_CNTL_PURGE_DMA_STATUS_MASK (3ull << 24)
356#define MFC_CNTL_RESTART_DMA_COMMAND (1ull << 32)
357#define MFC_CNTL_DMA_COMMAND_REISSUE_PENDING (1ull << 32)
358#define MFC_CNTL_DMA_COMMAND_REISSUE_STATUS_MASK (1ull << 32)
359#define MFC_CNTL_MFC_PRIVILEGE_STATE (2ull << 33)
360#define MFC_CNTL_MFC_PROBLEM_STATE (3ull << 33)
361#define MFC_CNTL_MFC_KEY_PROTECTION_STATE_MASK (3ull << 33)
362#define MFC_CNTL_DECREMENTER_HALTED (1ull << 35)
363#define MFC_CNTL_DECREMENTER_RUNNING (1ull << 40)
364#define MFC_CNTL_DECREMENTER_STATUS_MASK (1ull << 40)
365 u8 pad_0x3008_0x4000[0x4000 - 0x3008]; /* 0x3008 */
366
367 /* Interrupt Mailbox */
368 u64 puint_mb_R; /* 0x4000 */
369 u8 pad_0x4008_0x4040[0x4040 - 0x4008]; /* 0x4008 */
370
371 /* SPU Control */
372 u64 spu_privcntl_RW; /* 0x4040 */
373#define SPU_PRIVCNTL_MODE_NORMAL (0x0ull << 0)
374#define SPU_PRIVCNTL_MODE_SINGLE_STEP (0x1ull << 0)
375#define SPU_PRIVCNTL_MODE_MASK (0x1ull << 0)
376#define SPU_PRIVCNTL_NO_ATTENTION_EVENT (0x0ull << 1)
377#define SPU_PRIVCNTL_ATTENTION_EVENT (0x1ull << 1)
378#define SPU_PRIVCNTL_ATTENTION_EVENT_MASK (0x1ull << 1)
379#define SPU_PRIVCNT_LOAD_REQUEST_NORMAL (0x0ull << 2)
380#define SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK (0x1ull << 2)
381 u8 pad_0x4048_0x4058[0x10]; /* 0x4048 */
382 u64 spu_lslr_RW; /* 0x4058 */
383 u64 spu_chnlcntptr_RW; /* 0x4060 */
384 u64 spu_chnlcnt_RW; /* 0x4068 */
385 u64 spu_chnldata_RW; /* 0x4070 */
386 u64 spu_cfg_RW; /* 0x4078 */
387 u8 pad_0x4080_0x5000[0x5000 - 0x4080]; /* 0x4080 */
388
389 /* PV2_ImplRegs: Implementation-specific privileged-state 2 regs */
390 u64 spu_pm_trace_tag_status_RW; /* 0x5000 */
391 u64 spu_tag_status_query_RW; /* 0x5008 */
392#define TAG_STATUS_QUERY_CONDITION_BITS (0x3ull << 32)
393#define TAG_STATUS_QUERY_MASK_BITS (0xffffffffull)
394 u64 spu_cmd_buf1_RW; /* 0x5010 */
395#define SPU_COMMAND_BUFFER_1_LSA_BITS (0x7ffffull << 32)
396#define SPU_COMMAND_BUFFER_1_EAH_BITS (0xffffffffull)
397 u64 spu_cmd_buf2_RW; /* 0x5018 */
398#define SPU_COMMAND_BUFFER_2_EAL_BITS ((0xffffffffull) << 32)
399#define SPU_COMMAND_BUFFER_2_TS_BITS (0xffffull << 16)
400#define SPU_COMMAND_BUFFER_2_TAG_BITS (0x3full)
401 u64 spu_atomic_status_RW; /* 0x5020 */
402} __attribute__ ((aligned(0x20000)));
403
404/* SPU Privilege 1 State Area */
405struct spu_priv1 {
406 /* Control and Configuration Area */
407 u64 mfc_sr1_RW; /* 0x000 */
408#define MFC_STATE1_LOCAL_STORAGE_DECODE_MASK 0x01ull
409#define MFC_STATE1_BUS_TLBIE_MASK 0x02ull
410#define MFC_STATE1_REAL_MODE_OFFSET_ENABLE_MASK 0x04ull
411#define MFC_STATE1_PROBLEM_STATE_MASK 0x08ull
412#define MFC_STATE1_RELOCATE_MASK 0x10ull
413#define MFC_STATE1_MASTER_RUN_CONTROL_MASK 0x20ull
414 u64 mfc_lpid_RW; /* 0x008 */
415 u64 spu_idr_RW; /* 0x010 */
416 u64 mfc_vr_RO; /* 0x018 */
417#define MFC_VERSION_BITS (0xffff << 16)
418#define MFC_REVISION_BITS (0xffff)
419#define MFC_GET_VERSION_BITS(vr) (((vr) & MFC_VERSION_BITS) >> 16)
420#define MFC_GET_REVISION_BITS(vr) ((vr) & MFC_REVISION_BITS)
421 u64 spu_vr_RO; /* 0x020 */
422#define SPU_VERSION_BITS (0xffff << 16)
423#define SPU_REVISION_BITS (0xffff)
424#define SPU_GET_VERSION_BITS(vr) (vr & SPU_VERSION_BITS) >> 16
425#define SPU_GET_REVISION_BITS(vr) (vr & SPU_REVISION_BITS)
426 u8 pad_0x28_0x100[0x100 - 0x28]; /* 0x28 */
427
Arnd Bergmann67207b92005-11-15 15:53:48 -0500428 /* Interrupt Area */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100429 u64 int_mask_RW[3]; /* 0x100 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500430#define CLASS0_ENABLE_DMA_ALIGNMENT_INTR 0x1L
431#define CLASS0_ENABLE_INVALID_DMA_COMMAND_INTR 0x2L
432#define CLASS0_ENABLE_SPU_ERROR_INTR 0x4L
433#define CLASS0_ENABLE_MFC_FIR_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500434#define CLASS1_ENABLE_SEGMENT_FAULT_INTR 0x1L
435#define CLASS1_ENABLE_STORAGE_FAULT_INTR 0x2L
436#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L
437#define CLASS1_ENABLE_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L
Arnd Bergmann67207b92005-11-15 15:53:48 -0500438#define CLASS2_ENABLE_MAILBOX_INTR 0x1L
439#define CLASS2_ENABLE_SPU_STOP_INTR 0x2L
440#define CLASS2_ENABLE_SPU_HALT_INTR 0x4L
441#define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L
442 u8 pad_0x118_0x140[0x28]; /* 0x118 */
Arnd Bergmannf0831ac2006-01-04 20:31:30 +0100443 u64 int_stat_RW[3]; /* 0x140 */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500444 u8 pad_0x158_0x180[0x28]; /* 0x158 */
445 u64 int_route_RW; /* 0x180 */
446
447 /* Interrupt Routing */
448 u8 pad_0x188_0x200[0x200 - 0x188]; /* 0x188 */
449
450 /* Atomic Unit Control Area */
451 u64 mfc_atomic_flush_RW; /* 0x200 */
452#define mfc_atomic_flush_enable 0x1L
453 u8 pad_0x208_0x280[0x78]; /* 0x208 */
454 u64 resource_allocation_groupID_RW; /* 0x280 */
455 u64 resource_allocation_enable_RW; /* 0x288 */
456 u8 pad_0x290_0x3c8[0x3c8 - 0x290]; /* 0x290 */
457
458 /* SPU_Cache_ImplRegs: Implementation-dependent cache registers */
459
460 u64 smf_sbi_signal_sel; /* 0x3c8 */
461#define smf_sbi_mask_lsb 56
462#define smf_sbi_shift (63 - smf_sbi_mask_lsb)
463#define smf_sbi_mask (0x301LL << smf_sbi_shift)
464#define smf_sbi_bus0_bits (0x001LL << smf_sbi_shift)
465#define smf_sbi_bus2_bits (0x100LL << smf_sbi_shift)
466#define smf_sbi2_bus0_bits (0x201LL << smf_sbi_shift)
467#define smf_sbi2_bus2_bits (0x300LL << smf_sbi_shift)
468 u64 smf_ato_signal_sel; /* 0x3d0 */
469#define smf_ato_mask_lsb 35
470#define smf_ato_shift (63 - smf_ato_mask_lsb)
471#define smf_ato_mask (0x3LL << smf_ato_shift)
472#define smf_ato_bus0_bits (0x2LL << smf_ato_shift)
473#define smf_ato_bus2_bits (0x1LL << smf_ato_shift)
474 u8 pad_0x3d8_0x400[0x400 - 0x3d8]; /* 0x3d8 */
475
476 /* TLB Management Registers */
477 u64 mfc_sdr_RW; /* 0x400 */
478 u8 pad_0x408_0x500[0xf8]; /* 0x408 */
479 u64 tlb_index_hint_RO; /* 0x500 */
480 u64 tlb_index_W; /* 0x508 */
481 u64 tlb_vpn_RW; /* 0x510 */
482 u64 tlb_rpn_RW; /* 0x518 */
483 u8 pad_0x520_0x540[0x20]; /* 0x520 */
484 u64 tlb_invalidate_entry_W; /* 0x540 */
485 u64 tlb_invalidate_all_W; /* 0x548 */
486 u8 pad_0x550_0x580[0x580 - 0x550]; /* 0x550 */
487
488 /* SPU_MMU_ImplRegs: Implementation-dependent MMU registers */
489 u64 smm_hid; /* 0x580 */
490#define PAGE_SIZE_MASK 0xf000000000000000ull
491#define PAGE_SIZE_16MB_64KB 0x2000000000000000ull
492 u8 pad_0x588_0x600[0x600 - 0x588]; /* 0x588 */
493
494 /* MFC Status/Control Area */
495 u64 mfc_accr_RW; /* 0x600 */
496#define MFC_ACCR_EA_ACCESS_GET (1 << 0)
497#define MFC_ACCR_EA_ACCESS_PUT (1 << 1)
498#define MFC_ACCR_LS_ACCESS_GET (1 << 3)
499#define MFC_ACCR_LS_ACCESS_PUT (1 << 4)
500 u8 pad_0x608_0x610[0x8]; /* 0x608 */
501 u64 mfc_dsisr_RW; /* 0x610 */
502#define MFC_DSISR_PTE_NOT_FOUND (1 << 30)
503#define MFC_DSISR_ACCESS_DENIED (1 << 27)
504#define MFC_DSISR_ATOMIC (1 << 26)
505#define MFC_DSISR_ACCESS_PUT (1 << 25)
506#define MFC_DSISR_ADDR_MATCH (1 << 22)
507#define MFC_DSISR_LS (1 << 17)
508#define MFC_DSISR_L (1 << 16)
509#define MFC_DSISR_ADDRESS_OVERFLOW (1 << 0)
510 u8 pad_0x618_0x620[0x8]; /* 0x618 */
511 u64 mfc_dar_RW; /* 0x620 */
512 u8 pad_0x628_0x700[0x700 - 0x628]; /* 0x628 */
513
514 /* Replacement Management Table (RMT) Area */
515 u64 rmt_index_RW; /* 0x700 */
516 u8 pad_0x708_0x710[0x8]; /* 0x708 */
517 u64 rmt_data1_RW; /* 0x710 */
518 u8 pad_0x718_0x800[0x800 - 0x718]; /* 0x718 */
519
520 /* Control/Configuration Registers */
521 u64 mfc_dsir_R; /* 0x800 */
522#define MFC_DSIR_Q (1 << 31)
523#define MFC_DSIR_SPU_QUEUE MFC_DSIR_Q
524 u64 mfc_lsacr_RW; /* 0x808 */
525#define MFC_LSACR_COMPARE_MASK ((~0ull) << 32)
526#define MFC_LSACR_COMPARE_ADDR ((~0ull) >> 32)
527 u64 mfc_lscrr_R; /* 0x810 */
528#define MFC_LSCRR_Q (1 << 31)
529#define MFC_LSCRR_SPU_QUEUE MFC_LSCRR_Q
530#define MFC_LSCRR_QI_SHIFT 32
531#define MFC_LSCRR_QI_MASK ((~0ull) << MFC_LSCRR_QI_SHIFT)
532 u8 pad_0x818_0x820[0x8]; /* 0x818 */
533 u64 mfc_tclass_id_RW; /* 0x820 */
534#define MFC_TCLASS_ID_ENABLE (1L << 0L)
535#define MFC_TCLASS_SLOT2_ENABLE (1L << 5L)
536#define MFC_TCLASS_SLOT1_ENABLE (1L << 6L)
537#define MFC_TCLASS_SLOT0_ENABLE (1L << 7L)
538#define MFC_TCLASS_QUOTA_2_SHIFT 8L
539#define MFC_TCLASS_QUOTA_1_SHIFT 16L
540#define MFC_TCLASS_QUOTA_0_SHIFT 24L
541#define MFC_TCLASS_QUOTA_2_MASK (0x1FL << MFC_TCLASS_QUOTA_2_SHIFT)
542#define MFC_TCLASS_QUOTA_1_MASK (0x1FL << MFC_TCLASS_QUOTA_1_SHIFT)
543#define MFC_TCLASS_QUOTA_0_MASK (0x1FL << MFC_TCLASS_QUOTA_0_SHIFT)
544 u8 pad_0x828_0x900[0x900 - 0x828]; /* 0x828 */
545
546 /* Real Mode Support Registers */
547 u64 mfc_rm_boundary; /* 0x900 */
548 u8 pad_0x908_0x938[0x30]; /* 0x908 */
549 u64 smf_dma_signal_sel; /* 0x938 */
550#define mfc_dma1_mask_lsb 41
551#define mfc_dma1_shift (63 - mfc_dma1_mask_lsb)
552#define mfc_dma1_mask (0x3LL << mfc_dma1_shift)
553#define mfc_dma1_bits (0x1LL << mfc_dma1_shift)
554#define mfc_dma2_mask_lsb 43
555#define mfc_dma2_shift (63 - mfc_dma2_mask_lsb)
556#define mfc_dma2_mask (0x3LL << mfc_dma2_shift)
557#define mfc_dma2_bits (0x1LL << mfc_dma2_shift)
558 u8 pad_0x940_0xa38[0xf8]; /* 0x940 */
559 u64 smm_signal_sel; /* 0xa38 */
560#define smm_sig_mask_lsb 12
561#define smm_sig_shift (63 - smm_sig_mask_lsb)
562#define smm_sig_mask (0x3LL << smm_sig_shift)
563#define smm_sig_bus0_bits (0x2LL << smm_sig_shift)
564#define smm_sig_bus2_bits (0x1LL << smm_sig_shift)
565 u8 pad_0xa40_0xc00[0xc00 - 0xa40]; /* 0xa40 */
566
567 /* DMA Command Error Area */
568 u64 mfc_cer_R; /* 0xc00 */
569#define MFC_CER_Q (1 << 31)
570#define MFC_CER_SPU_QUEUE MFC_CER_Q
571 u8 pad_0xc08_0x1000[0x1000 - 0xc08]; /* 0xc08 */
572
573 /* PV1_ImplRegs: Implementation-dependent privileged-state 1 regs */
574 /* DMA Command Error Area */
575 u64 spu_ecc_cntl_RW; /* 0x1000 */
576#define SPU_ECC_CNTL_E (1ull << 0ull)
577#define SPU_ECC_CNTL_ENABLE SPU_ECC_CNTL_E
578#define SPU_ECC_CNTL_DISABLE (~SPU_ECC_CNTL_E & 1L)
579#define SPU_ECC_CNTL_S (1ull << 1ull)
580#define SPU_ECC_STOP_AFTER_ERROR SPU_ECC_CNTL_S
581#define SPU_ECC_CONTINUE_AFTER_ERROR (~SPU_ECC_CNTL_S & 2L)
582#define SPU_ECC_CNTL_B (1ull << 2ull)
583#define SPU_ECC_BACKGROUND_ENABLE SPU_ECC_CNTL_B
584#define SPU_ECC_BACKGROUND_DISABLE (~SPU_ECC_CNTL_B & 4L)
585#define SPU_ECC_CNTL_I_SHIFT 3ull
586#define SPU_ECC_CNTL_I_MASK (3ull << SPU_ECC_CNTL_I_SHIFT)
587#define SPU_ECC_WRITE_ALWAYS (~SPU_ECC_CNTL_I & 12L)
588#define SPU_ECC_WRITE_CORRECTABLE (1ull << SPU_ECC_CNTL_I_SHIFT)
589#define SPU_ECC_WRITE_UNCORRECTABLE (3ull << SPU_ECC_CNTL_I_SHIFT)
590#define SPU_ECC_CNTL_D (1ull << 5ull)
591#define SPU_ECC_DETECTION_ENABLE SPU_ECC_CNTL_D
592#define SPU_ECC_DETECTION_DISABLE (~SPU_ECC_CNTL_D & 32L)
593 u64 spu_ecc_stat_RW; /* 0x1008 */
594#define SPU_ECC_CORRECTED_ERROR (1ull << 0ul)
595#define SPU_ECC_UNCORRECTED_ERROR (1ull << 1ul)
596#define SPU_ECC_SCRUB_COMPLETE (1ull << 2ul)
597#define SPU_ECC_SCRUB_IN_PROGRESS (1ull << 3ul)
598#define SPU_ECC_INSTRUCTION_ERROR (1ull << 4ul)
599#define SPU_ECC_DATA_ERROR (1ull << 5ul)
600#define SPU_ECC_DMA_ERROR (1ull << 6ul)
601#define SPU_ECC_STATUS_CNT_MASK (256ull << 8)
602 u64 spu_ecc_addr_RW; /* 0x1010 */
603 u64 spu_err_mask_RW; /* 0x1018 */
604#define SPU_ERR_ILLEGAL_INSTR (1ull << 0ul)
605#define SPU_ERR_ILLEGAL_CHANNEL (1ull << 1ul)
606 u8 pad_0x1020_0x1028[0x1028 - 0x1020]; /* 0x1020 */
607
608 /* SPU Debug-Trace Bus (DTB) Selection Registers */
609 u64 spu_trig0_sel; /* 0x1028 */
610 u64 spu_trig1_sel; /* 0x1030 */
611 u64 spu_trig2_sel; /* 0x1038 */
612 u64 spu_trig3_sel; /* 0x1040 */
613 u64 spu_trace_sel; /* 0x1048 */
614#define spu_trace_sel_mask 0x1f1fLL
615#define spu_trace_sel_bus0_bits 0x1000LL
616#define spu_trace_sel_bus2_bits 0x0010LL
617 u64 spu_event0_sel; /* 0x1050 */
618 u64 spu_event1_sel; /* 0x1058 */
619 u64 spu_event2_sel; /* 0x1060 */
620 u64 spu_event3_sel; /* 0x1068 */
621 u64 spu_trace_cntl; /* 0x1070 */
622} __attribute__ ((aligned(0x2000)));
623
Arnd Bergmann88ced032005-12-16 22:43:46 +0100624#endif /* __KERNEL__ */
Arnd Bergmann67207b92005-11-15 15:53:48 -0500625#endif