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/arch/mips/include/asm/sn/sn0/hubpi.h

http://github.com/mirrors/linux
C Header | 409 lines | 298 code | 60 blank | 51 comment | 0 complexity | 69ec3a4fff7ec7a83a551d78d19028d3 MD5 | raw file
  1/*
  2 * This file is subject to the terms and conditions of the GNU General Public
  3 * License.  See the file "COPYING" in the main directory of this archive
  4 * for more details.
  5 *
  6 * Derived from IRIX <sys/SN/SN0/hubpi.h>, revision 1.28.
  7 *
  8 * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc.
  9 * Copyright (C) 1999 by Ralf Baechle
 10 */
 11#ifndef _ASM_SN_SN0_HUBPI_H
 12#define _ASM_SN_SN0_HUBPI_H
 13
 14#include <linux/types.h>
 15
 16/*
 17 * Hub I/O interface registers
 18 *
 19 * All registers in this file are subject to change until Hub chip tapeout.
 20 * All register "addresses" are actually offsets.  Use the LOCAL_HUB
 21 * or REMOTE_HUB macros to synthesize an actual address
 22 */
 23
 24#define PI_BASE			0x000000
 25
 26/* General protection and control registers */
 27
 28#define PI_CPU_PROTECT		0x000000 /* CPU Protection		    */
 29#define PI_PROT_OVERRD		0x000008 /* Clear CPU Protection bit	    */
 30#define PI_IO_PROTECT		0x000010 /* Interrupt Pending Protection    */
 31#define PI_REGION_PRESENT	0x000018 /* Indicates whether region exists */
 32#define PI_CPU_NUM		0x000020 /* CPU Number ID		    */
 33#define PI_CALIAS_SIZE		0x000028 /* Cached Alias Size		    */
 34#define PI_MAX_CRB_TIMEOUT	0x000030 /* Maximum Timeout for CRB	    */
 35#define PI_CRB_SFACTOR		0x000038 /* Scale factor for CRB timeout    */
 36
 37/* CALIAS values */
 38#define PI_CALIAS_SIZE_0	0
 39#define PI_CALIAS_SIZE_4K	1
 40#define PI_CALIAS_SIZE_8K	2
 41#define PI_CALIAS_SIZE_16K	3
 42#define PI_CALIAS_SIZE_32K	4
 43#define PI_CALIAS_SIZE_64K	5
 44#define PI_CALIAS_SIZE_128K	6
 45#define PI_CALIAS_SIZE_256K	7
 46#define PI_CALIAS_SIZE_512K	8
 47#define PI_CALIAS_SIZE_1M	9
 48#define PI_CALIAS_SIZE_2M	10
 49#define PI_CALIAS_SIZE_4M	11
 50#define PI_CALIAS_SIZE_8M	12
 51#define PI_CALIAS_SIZE_16M	13
 52#define PI_CALIAS_SIZE_32M	14
 53#define PI_CALIAS_SIZE_64M	15
 54
 55/* Processor control and status checking */
 56
 57#define PI_CPU_PRESENT_A	0x000040 /* CPU Present A		    */
 58#define PI_CPU_PRESENT_B	0x000048 /* CPU Present B		    */
 59#define PI_CPU_ENABLE_A		0x000050 /* CPU Enable A		    */
 60#define PI_CPU_ENABLE_B		0x000058 /* CPU Enable B		    */
 61#define PI_REPLY_LEVEL		0x000060 /* Reply Level			    */
 62#define PI_HARDRESET_BIT	0x020068 /* Bit cleared by s/w on SR	    */
 63#define PI_NMI_A		0x000070 /* NMI to CPU A		    */
 64#define PI_NMI_B		0x000078 /* NMI to CPU B		    */
 65#define PI_NMI_OFFSET		(PI_NMI_B - PI_NMI_A)
 66#define PI_SOFTRESET		0x000080 /* Softreset (to both CPUs)	    */
 67
 68/* Regular Interrupt register checking.	 */
 69
 70#define PI_INT_PEND_MOD		0x000090 /* Write to set pending ints	    */
 71#define PI_INT_PEND0		0x000098 /* Read to get pending ints	    */
 72#define PI_INT_PEND1		0x0000a0 /* Read to get pending ints	    */
 73#define PI_INT_MASK0_A		0x0000a8 /* Interrupt Mask 0 for CPU A	    */
 74#define PI_INT_MASK1_A		0x0000b0 /* Interrupt Mask 1 for CPU A	    */
 75#define PI_INT_MASK0_B		0x0000b8 /* Interrupt Mask 0 for CPU B	    */
 76#define PI_INT_MASK1_B		0x0000c0 /* Interrupt Mask 1 for CPU B	    */
 77
 78#define PI_INT_MASK_OFFSET	0x10	 /* Offset from A to B		    */
 79
 80/* Crosscall interrupts */
 81
 82#define PI_CC_PEND_SET_A	0x0000c8 /* CC Interrupt Pending Set, CPU A */
 83#define PI_CC_PEND_SET_B	0x0000d0 /* CC Interrupt Pending Set, CPU B */
 84#define PI_CC_PEND_CLR_A	0x0000d8 /* CC Interrupt Pending Clr, CPU A */
 85#define PI_CC_PEND_CLR_B	0x0000e0 /* CC Interrupt Pending Clr, CPU B */
 86#define PI_CC_MASK		0x0000e8 /* CC Interrupt mask		    */
 87
 88#define PI_INT_SET_OFFSET	0x08	 /* Offset from A to B		    */
 89
 90/* Realtime Counter and Profiler control registers */
 91
 92#define PI_RT_COUNT		0x030100 /* Real Time Counter		    */
 93#define PI_RT_COMPARE_A		0x000108 /* Real Time Compare A		    */
 94#define PI_RT_COMPARE_B		0x000110 /* Real Time Compare B		    */
 95#define PI_PROFILE_COMPARE	0x000118 /* L5 int to both cpus when == RTC */
 96#define PI_RT_PEND_A		0x000120 /* Set if RT int for A pending	    */
 97#define PI_RT_PEND_B		0x000128 /* Set if RT int for B pending	    */
 98#define PI_PROF_PEND_A		0x000130 /* Set if Prof int for A pending   */
 99#define PI_PROF_PEND_B		0x000138 /* Set if Prof int for B pending   */
100#define PI_RT_EN_A		0x000140 /* RT int for CPU A enable	    */
101#define PI_RT_EN_B		0x000148 /* RT int for CPU B enable	    */
102#define PI_PROF_EN_A		0x000150 /* PROF int for CPU A enable	    */
103#define PI_PROF_EN_B		0x000158 /* PROF int for CPU B enable	    */
104#define PI_RT_LOCAL_CTRL	0x000160 /* RT control register		    */
105#define PI_RT_FILTER_CTRL	0x000168 /* GCLK Filter control register    */
106
107#define PI_COUNT_OFFSET		0x08	 /* A to B offset for all counts    */
108
109/* Built-In Self Test support */
110
111#define PI_BIST_WRITE_DATA	0x000200 /* BIST write data		    */
112#define PI_BIST_READ_DATA	0x000208 /* BIST read data		    */
113#define PI_BIST_COUNT_TARG	0x000210 /* BIST Count and Target	    */
114#define PI_BIST_READY		0x000218 /* BIST Ready indicator	    */
115#define PI_BIST_SHIFT_LOAD	0x000220 /* BIST control		    */
116#define PI_BIST_SHIFT_UNLOAD	0x000228 /* BIST control		    */
117#define PI_BIST_ENTER_RUN	0x000230 /* BIST control		    */
118
119/* Graphics control registers */
120
121#define PI_GFX_PAGE_A		0x000300 /* Graphics page A		    */
122#define PI_GFX_CREDIT_CNTR_A	0x000308 /* Graphics credit counter A	    */
123#define PI_GFX_BIAS_A		0x000310 /* Graphics bias A		    */
124#define PI_GFX_INT_CNTR_A	0x000318 /* Graphics interrupt counter A    */
125#define PI_GFX_INT_CMP_A	0x000320 /* Graphics interrupt comparator A */
126#define PI_GFX_PAGE_B		0x000328 /* Graphics page B		    */
127#define PI_GFX_CREDIT_CNTR_B	0x000330 /* Graphics credit counter B	    */
128#define PI_GFX_BIAS_B		0x000338 /* Graphics bias B		    */
129#define PI_GFX_INT_CNTR_B	0x000340 /* Graphics interrupt counter B    */
130#define PI_GFX_INT_CMP_B	0x000348 /* Graphics interrupt comparator B */
131
132#define PI_GFX_OFFSET		(PI_GFX_PAGE_B - PI_GFX_PAGE_A)
133#define PI_GFX_PAGE_ENABLE	0x0000010000000000LL
134
135/* Error and timeout registers */
136#define PI_ERR_INT_PEND		0x000400 /* Error Interrupt Pending	    */
137#define PI_ERR_INT_MASK_A	0x000408 /* Error Interrupt mask for CPU A  */
138#define PI_ERR_INT_MASK_B	0x000410 /* Error Interrupt mask for CPU B  */
139#define PI_ERR_STACK_ADDR_A	0x000418 /* Error stack address for CPU A   */
140#define PI_ERR_STACK_ADDR_B	0x000420 /* Error stack address for CPU B   */
141#define PI_ERR_STACK_SIZE	0x000428 /* Error Stack Size		    */
142#define PI_ERR_STATUS0_A	0x000430 /* Error Status 0A		    */
143#define PI_ERR_STATUS0_A_RCLR	0x000438 /* Error Status 0A clear on read   */
144#define PI_ERR_STATUS1_A	0x000440 /* Error Status 1A		    */
145#define PI_ERR_STATUS1_A_RCLR	0x000448 /* Error Status 1A clear on read   */
146#define PI_ERR_STATUS0_B	0x000450 /* Error Status 0B		    */
147#define PI_ERR_STATUS0_B_RCLR	0x000458 /* Error Status 0B clear on read   */
148#define PI_ERR_STATUS1_B	0x000460 /* Error Status 1B		    */
149#define PI_ERR_STATUS1_B_RCLR	0x000468 /* Error Status 1B clear on read   */
150#define PI_SPOOL_CMP_A		0x000470 /* Spool compare for CPU A	    */
151#define PI_SPOOL_CMP_B		0x000478 /* Spool compare for CPU B	    */
152#define PI_CRB_TIMEOUT_A	0x000480 /* Timed out CRB entries for A	    */
153#define PI_CRB_TIMEOUT_B	0x000488 /* Timed out CRB entries for B	    */
154#define PI_SYSAD_ERRCHK_EN	0x000490 /* Enables SYSAD error checking    */
155#define PI_BAD_CHECK_BIT_A	0x000498 /* Force SYSAD check bit error	    */
156#define PI_BAD_CHECK_BIT_B	0x0004a0 /* Force SYSAD check bit error	    */
157#define PI_NACK_CNT_A		0x0004a8 /* Consecutive NACK counter	    */
158#define PI_NACK_CNT_B		0x0004b0 /*	"	" for CPU B	    */
159#define PI_NACK_CMP		0x0004b8 /* NACK count compare		    */
160#define PI_STACKADDR_OFFSET	(PI_ERR_STACK_ADDR_B - PI_ERR_STACK_ADDR_A)
161#define PI_ERRSTAT_OFFSET	(PI_ERR_STATUS0_B - PI_ERR_STATUS0_A)
162#define PI_RDCLR_OFFSET		(PI_ERR_STATUS0_A_RCLR - PI_ERR_STATUS0_A)
163
164/* Bits in PI_ERR_INT_PEND */
165#define PI_ERR_SPOOL_CMP_B	0x00000001	/* Spool end hit high water */
166#define PI_ERR_SPOOL_CMP_A	0x00000002
167#define PI_ERR_SPUR_MSG_B	0x00000004	/* Spurious message intr.   */
168#define PI_ERR_SPUR_MSG_A	0x00000008
169#define PI_ERR_WRB_TERR_B	0x00000010	/* WRB TERR		    */
170#define PI_ERR_WRB_TERR_A	0x00000020
171#define PI_ERR_WRB_WERR_B	0x00000040	/* WRB WERR		    */
172#define PI_ERR_WRB_WERR_A	0x00000080
173#define PI_ERR_SYSSTATE_B	0x00000100	/* SysState parity error    */
174#define PI_ERR_SYSSTATE_A	0x00000200
175#define PI_ERR_SYSAD_DATA_B	0x00000400	/* SysAD data parity error  */
176#define PI_ERR_SYSAD_DATA_A	0x00000800
177#define PI_ERR_SYSAD_ADDR_B	0x00001000	/* SysAD addr parity error  */
178#define PI_ERR_SYSAD_ADDR_A	0x00002000
179#define PI_ERR_SYSCMD_DATA_B	0x00004000	/* SysCmd data parity error */
180#define PI_ERR_SYSCMD_DATA_A	0x00008000
181#define PI_ERR_SYSCMD_ADDR_B	0x00010000	/* SysCmd addr parity error */
182#define PI_ERR_SYSCMD_ADDR_A	0x00020000
183#define PI_ERR_BAD_SPOOL_B	0x00040000	/* Error spooling to memory */
184#define PI_ERR_BAD_SPOOL_A	0x00080000
185#define PI_ERR_UNCAC_UNCORR_B	0x00100000	/* Uncached uncorrectable   */
186#define PI_ERR_UNCAC_UNCORR_A	0x00200000
187#define PI_ERR_SYSSTATE_TAG_B	0x00400000	/* SysState tag parity error */
188#define PI_ERR_SYSSTATE_TAG_A	0x00800000
189#define PI_ERR_MD_UNCORR	0x01000000	/* Must be cleared in MD    */
190
191#define PI_ERR_CLEAR_ALL_A	0x00aaaaaa
192#define PI_ERR_CLEAR_ALL_B	0x00555555
193
194
195/*
196 * The following three macros define all possible error int pends.
197 */
198
199#define PI_FATAL_ERR_CPU_A	(PI_ERR_SYSSTATE_TAG_A	| \
200				 PI_ERR_BAD_SPOOL_A	| \
201				 PI_ERR_SYSCMD_ADDR_A	| \
202				 PI_ERR_SYSCMD_DATA_A	| \
203				 PI_ERR_SYSAD_ADDR_A	| \
204				 PI_ERR_SYSAD_DATA_A	| \
205				 PI_ERR_SYSSTATE_A)
206
207#define PI_MISC_ERR_CPU_A	(PI_ERR_UNCAC_UNCORR_A	| \
208				 PI_ERR_WRB_WERR_A	| \
209				 PI_ERR_WRB_TERR_A	| \
210				 PI_ERR_SPUR_MSG_A	| \
211				 PI_ERR_SPOOL_CMP_A)
212
213#define PI_FATAL_ERR_CPU_B	(PI_ERR_SYSSTATE_TAG_B	| \
214				 PI_ERR_BAD_SPOOL_B	| \
215				 PI_ERR_SYSCMD_ADDR_B	| \
216				 PI_ERR_SYSCMD_DATA_B	| \
217				 PI_ERR_SYSAD_ADDR_B	| \
218				 PI_ERR_SYSAD_DATA_B	| \
219				 PI_ERR_SYSSTATE_B)
220
221#define PI_MISC_ERR_CPU_B	(PI_ERR_UNCAC_UNCORR_B	| \
222				 PI_ERR_WRB_WERR_B	| \
223				 PI_ERR_WRB_TERR_B	| \
224				 PI_ERR_SPUR_MSG_B	| \
225				 PI_ERR_SPOOL_CMP_B)
226
227#define PI_ERR_GENERIC	(PI_ERR_MD_UNCORR)
228
229/*
230 * Error types for PI_ERR_STATUS0_[AB] and error stack:
231 * Use the write types if WRBRRB is 1 else use the read types
232 */
233
234/* Fields in PI_ERR_STATUS0_[AB] */
235#define PI_ERR_ST0_TYPE_MASK	0x0000000000000007
236#define PI_ERR_ST0_TYPE_SHFT	0
237#define PI_ERR_ST0_REQNUM_MASK	0x0000000000000038
238#define PI_ERR_ST0_REQNUM_SHFT	3
239#define PI_ERR_ST0_SUPPL_MASK	0x000000000001ffc0
240#define PI_ERR_ST0_SUPPL_SHFT	6
241#define PI_ERR_ST0_CMD_MASK	0x0000000001fe0000
242#define PI_ERR_ST0_CMD_SHFT	17
243#define PI_ERR_ST0_ADDR_MASK	0x3ffffffffe000000
244#define PI_ERR_ST0_ADDR_SHFT	25
245#define PI_ERR_ST0_OVERRUN_MASK 0x4000000000000000
246#define PI_ERR_ST0_OVERRUN_SHFT 62
247#define PI_ERR_ST0_VALID_MASK	0x8000000000000000
248#define PI_ERR_ST0_VALID_SHFT	63
249
250/* Fields in PI_ERR_STATUS1_[AB] */
251#define PI_ERR_ST1_SPOOL_MASK	0x00000000001fffff
252#define PI_ERR_ST1_SPOOL_SHFT	0
253#define PI_ERR_ST1_TOUTCNT_MASK 0x000000001fe00000
254#define PI_ERR_ST1_TOUTCNT_SHFT 21
255#define PI_ERR_ST1_INVCNT_MASK	0x0000007fe0000000
256#define PI_ERR_ST1_INVCNT_SHFT	29
257#define PI_ERR_ST1_CRBNUM_MASK	0x0000038000000000
258#define PI_ERR_ST1_CRBNUM_SHFT	39
259#define PI_ERR_ST1_WRBRRB_MASK	0x0000040000000000
260#define PI_ERR_ST1_WRBRRB_SHFT	42
261#define PI_ERR_ST1_CRBSTAT_MASK 0x001ff80000000000
262#define PI_ERR_ST1_CRBSTAT_SHFT 43
263#define PI_ERR_ST1_MSGSRC_MASK	0xffe0000000000000
264#define PI_ERR_ST1_MSGSRC_SHFT	53
265
266/* Fields in the error stack */
267#define PI_ERR_STK_TYPE_MASK	0x0000000000000003
268#define PI_ERR_STK_TYPE_SHFT	0
269#define PI_ERR_STK_SUPPL_MASK	0x0000000000000038
270#define PI_ERR_STK_SUPPL_SHFT	3
271#define PI_ERR_STK_REQNUM_MASK	0x00000000000001c0
272#define PI_ERR_STK_REQNUM_SHFT	6
273#define PI_ERR_STK_CRBNUM_MASK	0x0000000000000e00
274#define PI_ERR_STK_CRBNUM_SHFT	9
275#define PI_ERR_STK_WRBRRB_MASK	0x0000000000001000
276#define PI_ERR_STK_WRBRRB_SHFT	12
277#define PI_ERR_STK_CRBSTAT_MASK 0x00000000007fe000
278#define PI_ERR_STK_CRBSTAT_SHFT 13
279#define PI_ERR_STK_CMD_MASK	0x000000007f800000
280#define PI_ERR_STK_CMD_SHFT	23
281#define PI_ERR_STK_ADDR_MASK	0xffffffff80000000
282#define PI_ERR_STK_ADDR_SHFT	31
283
284/* Error type in the error status or stack on Read CRBs */
285#define PI_ERR_RD_PRERR		1
286#define PI_ERR_RD_DERR		2
287#define PI_ERR_RD_TERR		3
288
289/* Error type in the error status or stack on Write CRBs */
290#define PI_ERR_WR_WERR		0
291#define PI_ERR_WR_PWERR		1
292#define PI_ERR_WR_TERR		3
293
294/* Read or Write CRB in error status or stack */
295#define PI_ERR_RRB	0
296#define PI_ERR_WRB	1
297#define PI_ERR_ANY_CRB	2
298
299/* Address masks in the error status and error stack are not the same */
300#define ERR_STK_ADDR_SHFT	7
301#define ERR_STAT0_ADDR_SHFT	3
302
303#define PI_MIN_STACK_SIZE 4096	/* For figuring out the size to set */
304#define PI_STACK_SIZE_SHFT	12	/* 4k */
305
306#define ERR_STACK_SIZE_BYTES(_sz) \
307       ((_sz) ? (PI_MIN_STACK_SIZE << ((_sz) - 1)) : 0)
308
309#ifndef __ASSEMBLY__
310/*
311 * format of error stack and error status registers.
312 */
313
314struct err_stack_format {
315	u64	sk_addr	   : 33,   /* address */
316		sk_cmd	   :  8,   /* message command */
317		sk_crb_sts : 10,   /* status from RRB or WRB */
318		sk_rw_rb   :  1,   /* RRB == 0, WRB == 1 */
319		sk_crb_num :  3,   /* WRB (0 to 7) or RRB (0 to 4) */
320		sk_t5_req  :  3,   /* RRB T5 request number */
321		sk_suppl   :  3,   /* lowest 3 bit of supplemental */
322		sk_err_type:  3;   /* error type	*/
323};
324
325typedef union pi_err_stack {
326	u64	pi_stk_word;
327	struct	err_stack_format pi_stk_fmt;
328} pi_err_stack_t;
329
330struct err_status0_format {
331	u64	s0_valid   :  1,   /* Valid */
332		s0_ovr_run :  1,   /* Overrun, spooled to memory */
333		s0_addr	   : 37,   /* address */
334		s0_cmd	   :  8,   /* message command */
335		s0_supl	   : 11,   /* message supplemental field */
336		s0_t5_req  :  3,   /* RRB T5 request number */
337		s0_err_type:  3;   /* error type */
338};
339
340typedef union pi_err_stat0 {
341	u64	pi_stat0_word;
342	struct err_status0_format pi_stat0_fmt;
343} pi_err_stat0_t;
344
345struct err_status1_format {
346	u64	s1_src	   : 11,   /* message source */
347		s1_crb_sts : 10,   /* status from RRB or WRB */
348		s1_rw_rb   :  1,   /* RRB == 0, WRB == 1 */
349		s1_crb_num :  3,   /* WRB (0 to 7) or RRB (0 to 4) */
350		s1_inval_cnt:10,   /* signed invalidate counter RRB */
351		s1_to_cnt  :  8,   /* crb timeout counter */
352		s1_spl_cnt : 21;   /* number spooled to memory */
353};
354
355typedef union pi_err_stat1 {
356	u64	pi_stat1_word;
357	struct err_status1_format pi_stat1_fmt;
358} pi_err_stat1_t;
359
360typedef u64	rtc_time_t;
361
362#endif /* !__ASSEMBLY__ */
363
364
365/* Bits in PI_SYSAD_ERRCHK_EN */
366#define PI_SYSAD_ERRCHK_ECCGEN	0x01	/* Enable ECC generation	    */
367#define PI_SYSAD_ERRCHK_QUALGEN 0x02	/* Enable data quality signal gen.  */
368#define PI_SYSAD_ERRCHK_SADP	0x04	/* Enable SysAD parity checking	    */
369#define PI_SYSAD_ERRCHK_CMDP	0x08	/* Enable SysCmd parity checking    */
370#define PI_SYSAD_ERRCHK_STATE	0x10	/* Enable SysState parity checking  */
371#define PI_SYSAD_ERRCHK_QUAL	0x20	/* Enable data quality checking	    */
372#define PI_SYSAD_CHECK_ALL	0x3f	/* Generate and check all signals.  */
373
374/* Interrupt pending bits on R10000 */
375
376#define HUB_IP_PEND0		0x0400
377#define HUB_IP_PEND1_CC		0x0800
378#define HUB_IP_RT		0x1000
379#define HUB_IP_PROF		0x2000
380#define HUB_IP_ERROR		0x4000
381#define HUB_IP_MASK		0x7c00
382
383/* PI_RT_LOCAL_CTRL mask and shift definitions */
384
385#define PRLC_USE_INT_SHFT	16
386#define PRLC_USE_INT_MASK	(UINT64_CAST 1 << 16)
387#define PRLC_USE_INT		(UINT64_CAST 1 << 16)
388#define PRLC_GCLK_SHFT		15
389#define PRLC_GCLK_MASK		(UINT64_CAST 1 << 15)
390#define PRLC_GCLK		(UINT64_CAST 1 << 15)
391#define PRLC_GCLK_COUNT_SHFT	8
392#define PRLC_GCLK_COUNT_MASK	(UINT64_CAST 0x7f << 8)
393#define PRLC_MAX_COUNT_SHFT	1
394#define PRLC_MAX_COUNT_MASK	(UINT64_CAST 0x7f << 1)
395#define PRLC_GCLK_EN_SHFT	0
396#define PRLC_GCLK_EN_MASK	(UINT64_CAST 1)
397#define PRLC_GCLK_EN		(UINT64_CAST 1)
398
399/* PI_RT_FILTER_CTRL mask and shift definitions */
400
401/*
402 * Bits for NACK_CNT_A/B and NACK_CMP
403 */
404#define PI_NACK_CNT_EN_SHFT	20
405#define PI_NACK_CNT_EN_MASK	0x100000
406#define PI_NACK_CNT_MASK	0x0fffff
407#define PI_NACK_CNT_MAX		0x0fffff
408
409#endif /* _ASM_SN_SN0_HUBPI_H */