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core_cia.h
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1 #ifndef __ALPHA_CIA__H__
2 #define __ALPHA_CIA__H__
3 
4 /* Define to experiment with fitting everything into one 512MB HAE window. */
5 #define CIA_ONE_HAE_WINDOW 1
6 
7 #include <linux/types.h>
8 #include <asm/compiler.h>
9 
10 /*
11  * CIA is the internal name for the 21171 chipset which provides
12  * memory controller and PCI access for the 21164 chip based systems.
13  * Also supported here is the 21172 (CIA-2) and 21174 (PYXIS).
14  *
15  * The lineage is a bit confused, since the 21174 was reportedly started
16  * from the 21171 Pass 1 mask, and so is missing bug fixes that appear
17  * in 21171 Pass 2 and 21172, but it also contains additional features.
18  *
19  * This file is based on:
20  *
21  * DECchip 21171 Core Logic Chipset
22  * Technical Reference Manual
23  *
24  * EC-QE18B-TE
25  *
26  * [email protected] Initial Version.
27  *
28  */
29 
30 /*
31  * CIA ADDRESS BIT DEFINITIONS
32  *
33  * 3333 3333 3322 2222 2222 1111 1111 11
34  * 9876 5432 1098 7654 3210 9876 5432 1098 7654 3210
35  * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
36  * 1 000
37  * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
38  * | |\|
39  * | Byte Enable --+ |
40  * | Transfer Length --+
41  * +-- IO space, not cached
42  *
43  * Byte Transfer
44  * Enable Length Transfer Byte Address
45  * adr<6:5> adr<4:3> Length Enable Adder
46  * ---------------------------------------------
47  * 00 00 Byte 1110 0x000
48  * 01 00 Byte 1101 0x020
49  * 10 00 Byte 1011 0x040
50  * 11 00 Byte 0111 0x060
51  *
52  * 00 01 Word 1100 0x008
53  * 01 01 Word 1001 0x028 <= Not supported in this code.
54  * 10 01 Word 0011 0x048
55  *
56  * 00 10 Tribyte 1000 0x010
57  * 01 10 Tribyte 0001 0x030
58  *
59  * 10 11 Longword 0000 0x058
60  *
61  * Note that byte enables are asserted low.
62  *
63  */
64 
65 #define CIA_MEM_R1_MASK 0x1fffffff /* SPARSE Mem region 1 mask is 29 bits */
66 #define CIA_MEM_R2_MASK 0x07ffffff /* SPARSE Mem region 2 mask is 27 bits */
67 #define CIA_MEM_R3_MASK 0x03ffffff /* SPARSE Mem region 3 mask is 26 bits */
68 
69 /*
70  * 21171-CA Control and Status Registers
71  */
72 #define CIA_IOC_CIA_REV (IDENT_ADDR + 0x8740000080UL)
73 # define CIA_REV_MASK 0xff
74 #define CIA_IOC_PCI_LAT (IDENT_ADDR + 0x87400000C0UL)
75 #define CIA_IOC_CIA_CTRL (IDENT_ADDR + 0x8740000100UL)
76 # define CIA_CTRL_PCI_EN (1 << 0)
77 # define CIA_CTRL_PCI_LOCK_EN (1 << 1)
78 # define CIA_CTRL_PCI_LOOP_EN (1 << 2)
79 # define CIA_CTRL_FST_BB_EN (1 << 3)
80 # define CIA_CTRL_PCI_MST_EN (1 << 4)
81 # define CIA_CTRL_PCI_MEM_EN (1 << 5)
82 # define CIA_CTRL_PCI_REQ64_EN (1 << 6)
83 # define CIA_CTRL_PCI_ACK64_EN (1 << 7)
84 # define CIA_CTRL_ADDR_PE_EN (1 << 8)
85 # define CIA_CTRL_PERR_EN (1 << 9)
86 # define CIA_CTRL_FILL_ERR_EN (1 << 10)
87 # define CIA_CTRL_MCHK_ERR_EN (1 << 11)
88 # define CIA_CTRL_ECC_CHK_EN (1 << 12)
89 # define CIA_CTRL_ASSERT_IDLE_BC (1 << 13)
90 # define CIA_CTRL_COM_IDLE_BC (1 << 14)
91 # define CIA_CTRL_CSR_IOA_BYPASS (1 << 15)
92 # define CIA_CTRL_IO_FLUSHREQ_EN (1 << 16)
93 # define CIA_CTRL_CPU_FLUSHREQ_EN (1 << 17)
94 # define CIA_CTRL_ARB_CPU_EN (1 << 18)
95 # define CIA_CTRL_EN_ARB_LINK (1 << 19)
96 # define CIA_CTRL_RD_TYPE_SHIFT 20
97 # define CIA_CTRL_RL_TYPE_SHIFT 24
98 # define CIA_CTRL_RM_TYPE_SHIFT 28
99 # define CIA_CTRL_EN_DMA_RD_PERF (1 << 31)
100 #define CIA_IOC_CIA_CNFG (IDENT_ADDR + 0x8740000140UL)
101 # define CIA_CNFG_IOA_BWEN (1 << 0)
102 # define CIA_CNFG_PCI_MWEN (1 << 4)
103 # define CIA_CNFG_PCI_DWEN (1 << 5)
104 # define CIA_CNFG_PCI_WLEN (1 << 8)
105 #define CIA_IOC_FLASH_CTRL (IDENT_ADDR + 0x8740000200UL)
106 #define CIA_IOC_HAE_MEM (IDENT_ADDR + 0x8740000400UL)
107 #define CIA_IOC_HAE_IO (IDENT_ADDR + 0x8740000440UL)
108 #define CIA_IOC_CFG (IDENT_ADDR + 0x8740000480UL)
109 #define CIA_IOC_CACK_EN (IDENT_ADDR + 0x8740000600UL)
110 # define CIA_CACK_EN_LOCK_EN (1 << 0)
111 # define CIA_CACK_EN_MB_EN (1 << 1)
112 # define CIA_CACK_EN_SET_DIRTY_EN (1 << 2)
113 # define CIA_CACK_EN_BC_VICTIM_EN (1 << 3)
114 
115 
116 /*
117  * 21171-CA Diagnostic Registers
118  */
119 #define CIA_IOC_CIA_DIAG (IDENT_ADDR + 0x8740002000UL)
120 #define CIA_IOC_DIAG_CHECK (IDENT_ADDR + 0x8740003000UL)
121 
122 /*
123  * 21171-CA Performance Monitor registers
124  */
125 #define CIA_IOC_PERF_MONITOR (IDENT_ADDR + 0x8740004000UL)
126 #define CIA_IOC_PERF_CONTROL (IDENT_ADDR + 0x8740004040UL)
127 
128 /*
129  * 21171-CA Error registers
130  */
131 #define CIA_IOC_CPU_ERR0 (IDENT_ADDR + 0x8740008000UL)
132 #define CIA_IOC_CPU_ERR1 (IDENT_ADDR + 0x8740008040UL)
133 #define CIA_IOC_CIA_ERR (IDENT_ADDR + 0x8740008200UL)
134 # define CIA_ERR_COR_ERR (1 << 0)
135 # define CIA_ERR_UN_COR_ERR (1 << 1)
136 # define CIA_ERR_CPU_PE (1 << 2)
137 # define CIA_ERR_MEM_NEM (1 << 3)
138 # define CIA_ERR_PCI_SERR (1 << 4)
139 # define CIA_ERR_PERR (1 << 5)
140 # define CIA_ERR_PCI_ADDR_PE (1 << 6)
141 # define CIA_ERR_RCVD_MAS_ABT (1 << 7)
142 # define CIA_ERR_RCVD_TAR_ABT (1 << 8)
143 # define CIA_ERR_PA_PTE_INV (1 << 9)
144 # define CIA_ERR_FROM_WRT_ERR (1 << 10)
145 # define CIA_ERR_IOA_TIMEOUT (1 << 11)
146 # define CIA_ERR_LOST_CORR_ERR (1 << 16)
147 # define CIA_ERR_LOST_UN_CORR_ERR (1 << 17)
148 # define CIA_ERR_LOST_CPU_PE (1 << 18)
149 # define CIA_ERR_LOST_MEM_NEM (1 << 19)
150 # define CIA_ERR_LOST_PERR (1 << 21)
151 # define CIA_ERR_LOST_PCI_ADDR_PE (1 << 22)
152 # define CIA_ERR_LOST_RCVD_MAS_ABT (1 << 23)
153 # define CIA_ERR_LOST_RCVD_TAR_ABT (1 << 24)
154 # define CIA_ERR_LOST_PA_PTE_INV (1 << 25)
155 # define CIA_ERR_LOST_FROM_WRT_ERR (1 << 26)
156 # define CIA_ERR_LOST_IOA_TIMEOUT (1 << 27)
157 # define CIA_ERR_VALID (1 << 31)
158 #define CIA_IOC_CIA_STAT (IDENT_ADDR + 0x8740008240UL)
159 #define CIA_IOC_ERR_MASK (IDENT_ADDR + 0x8740008280UL)
160 #define CIA_IOC_CIA_SYN (IDENT_ADDR + 0x8740008300UL)
161 #define CIA_IOC_MEM_ERR0 (IDENT_ADDR + 0x8740008400UL)
162 #define CIA_IOC_MEM_ERR1 (IDENT_ADDR + 0x8740008440UL)
163 #define CIA_IOC_PCI_ERR0 (IDENT_ADDR + 0x8740008800UL)
164 #define CIA_IOC_PCI_ERR1 (IDENT_ADDR + 0x8740008840UL)
165 #define CIA_IOC_PCI_ERR3 (IDENT_ADDR + 0x8740008880UL)
166 
167 /*
168  * 21171-CA System configuration registers
169  */
170 #define CIA_IOC_MCR (IDENT_ADDR + 0x8750000000UL)
171 #define CIA_IOC_MBA0 (IDENT_ADDR + 0x8750000600UL)
172 #define CIA_IOC_MBA2 (IDENT_ADDR + 0x8750000680UL)
173 #define CIA_IOC_MBA4 (IDENT_ADDR + 0x8750000700UL)
174 #define CIA_IOC_MBA6 (IDENT_ADDR + 0x8750000780UL)
175 #define CIA_IOC_MBA8 (IDENT_ADDR + 0x8750000800UL)
176 #define CIA_IOC_MBAA (IDENT_ADDR + 0x8750000880UL)
177 #define CIA_IOC_MBAC (IDENT_ADDR + 0x8750000900UL)
178 #define CIA_IOC_MBAE (IDENT_ADDR + 0x8750000980UL)
179 #define CIA_IOC_TMG0 (IDENT_ADDR + 0x8750000B00UL)
180 #define CIA_IOC_TMG1 (IDENT_ADDR + 0x8750000B40UL)
181 #define CIA_IOC_TMG2 (IDENT_ADDR + 0x8750000B80UL)
182 
183 /*
184  * 2117A-CA PCI Address and Scatter-Gather Registers.
185  */
186 #define CIA_IOC_PCI_TBIA (IDENT_ADDR + 0x8760000100UL)
187 
188 #define CIA_IOC_PCI_W0_BASE (IDENT_ADDR + 0x8760000400UL)
189 #define CIA_IOC_PCI_W0_MASK (IDENT_ADDR + 0x8760000440UL)
190 #define CIA_IOC_PCI_T0_BASE (IDENT_ADDR + 0x8760000480UL)
191 
192 #define CIA_IOC_PCI_W1_BASE (IDENT_ADDR + 0x8760000500UL)
193 #define CIA_IOC_PCI_W1_MASK (IDENT_ADDR + 0x8760000540UL)
194 #define CIA_IOC_PCI_T1_BASE (IDENT_ADDR + 0x8760000580UL)
195 
196 #define CIA_IOC_PCI_W2_BASE (IDENT_ADDR + 0x8760000600UL)
197 #define CIA_IOC_PCI_W2_MASK (IDENT_ADDR + 0x8760000640UL)
198 #define CIA_IOC_PCI_T2_BASE (IDENT_ADDR + 0x8760000680UL)
199 
200 #define CIA_IOC_PCI_W3_BASE (IDENT_ADDR + 0x8760000700UL)
201 #define CIA_IOC_PCI_W3_MASK (IDENT_ADDR + 0x8760000740UL)
202 #define CIA_IOC_PCI_T3_BASE (IDENT_ADDR + 0x8760000780UL)
203 
204 #define CIA_IOC_PCI_Wn_BASE(N) (IDENT_ADDR + 0x8760000400UL + (N)*0x100)
205 #define CIA_IOC_PCI_Wn_MASK(N) (IDENT_ADDR + 0x8760000440UL + (N)*0x100)
206 #define CIA_IOC_PCI_Tn_BASE(N) (IDENT_ADDR + 0x8760000480UL + (N)*0x100)
207 
208 #define CIA_IOC_PCI_W_DAC (IDENT_ADDR + 0x87600007C0UL)
209 
210 /*
211  * 2117A-CA Address Translation Registers.
212  */
213 
214 /* 8 tag registers, the first 4 of which are lockable. */
215 #define CIA_IOC_TB_TAGn(n) \
216  (IDENT_ADDR + 0x8760000800UL + (n)*0x40)
217 
218 /* 4 page registers per tag register. */
219 #define CIA_IOC_TBn_PAGEm(n,m) \
220  (IDENT_ADDR + 0x8760001000UL + (n)*0x100 + (m)*0x40)
221 
222 /*
223  * Memory spaces:
224  */
225 #define CIA_IACK_SC (IDENT_ADDR + 0x8720000000UL)
226 #define CIA_CONF (IDENT_ADDR + 0x8700000000UL)
227 #define CIA_IO (IDENT_ADDR + 0x8580000000UL)
228 #define CIA_SPARSE_MEM (IDENT_ADDR + 0x8000000000UL)
229 #define CIA_SPARSE_MEM_R2 (IDENT_ADDR + 0x8400000000UL)
230 #define CIA_SPARSE_MEM_R3 (IDENT_ADDR + 0x8500000000UL)
231 #define CIA_DENSE_MEM (IDENT_ADDR + 0x8600000000UL)
232 #define CIA_BW_MEM (IDENT_ADDR + 0x8800000000UL)
233 #define CIA_BW_IO (IDENT_ADDR + 0x8900000000UL)
234 #define CIA_BW_CFG_0 (IDENT_ADDR + 0x8a00000000UL)
235 #define CIA_BW_CFG_1 (IDENT_ADDR + 0x8b00000000UL)
236 
237 /*
238  * ALCOR's GRU ASIC registers
239  */
240 #define GRU_INT_REQ (IDENT_ADDR + 0x8780000000UL)
241 #define GRU_INT_MASK (IDENT_ADDR + 0x8780000040UL)
242 #define GRU_INT_EDGE (IDENT_ADDR + 0x8780000080UL)
243 #define GRU_INT_HILO (IDENT_ADDR + 0x87800000C0UL)
244 #define GRU_INT_CLEAR (IDENT_ADDR + 0x8780000100UL)
245 
246 #define GRU_CACHE_CNFG (IDENT_ADDR + 0x8780000200UL)
247 #define GRU_SCR (IDENT_ADDR + 0x8780000300UL)
248 #define GRU_LED (IDENT_ADDR + 0x8780000800UL)
249 #define GRU_RESET (IDENT_ADDR + 0x8780000900UL)
250 
251 #define ALCOR_GRU_INT_REQ_BITS 0x800fffffUL
252 #define XLT_GRU_INT_REQ_BITS 0x80003fffUL
253 #define GRU_INT_REQ_BITS (alpha_mv.sys.cia.gru_int_req_bits+0)
254 
255 /*
256  * PYXIS interrupt control registers
257  */
258 #define PYXIS_INT_REQ (IDENT_ADDR + 0x87A0000000UL)
259 #define PYXIS_INT_MASK (IDENT_ADDR + 0x87A0000040UL)
260 #define PYXIS_INT_HILO (IDENT_ADDR + 0x87A00000C0UL)
261 #define PYXIS_INT_ROUTE (IDENT_ADDR + 0x87A0000140UL)
262 #define PYXIS_GPO (IDENT_ADDR + 0x87A0000180UL)
263 #define PYXIS_INT_CNFG (IDENT_ADDR + 0x87A00001C0UL)
264 #define PYXIS_RT_COUNT (IDENT_ADDR + 0x87A0000200UL)
265 #define PYXIS_INT_TIME (IDENT_ADDR + 0x87A0000240UL)
266 #define PYXIS_IIC_CTRL (IDENT_ADDR + 0x87A00002C0UL)
267 #define PYXIS_RESET (IDENT_ADDR + 0x8780000900UL)
268 
269 /* Offset between ram physical addresses and pci64 DAC bus addresses. */
270 #define PYXIS_DAC_OFFSET (1UL << 40)
271 
272 /*
273  * Data structure for handling CIA machine checks.
274  */
275 
276 /* System-specific info. */
277 struct el_CIA_sysdata_mcheck {
278  unsigned long cpu_err0;
279  unsigned long cpu_err1;
280  unsigned long cia_err;
281  unsigned long cia_stat;
282  unsigned long err_mask;
283  unsigned long cia_syn;
284  unsigned long mem_err0;
285  unsigned long mem_err1;
286  unsigned long pci_err0;
287  unsigned long pci_err1;
288  unsigned long pci_err2;
289 };
290 
291 
292 #ifdef __KERNEL__
293 
294 #ifndef __EXTERN_INLINE
295 /* Do not touch, this should *NOT* be static inline */
296 #define __EXTERN_INLINE extern inline
297 #define __IO_EXTERN_INLINE
298 #endif
299 
300 /*
301  * I/O functions:
302  *
303  * CIA (the 2117x PCI/memory support chipset for the EV5 (21164)
304  * series of processors uses a sparse address mapping scheme to
305  * get at PCI memory and I/O.
306  */
307 
308 /*
309  * Memory functions. 64-bit and 32-bit accesses are done through
310  * dense memory space, everything else through sparse space.
311  *
312  * For reading and writing 8 and 16 bit quantities we need to
313  * go through one of the three sparse address mapping regions
314  * and use the HAE_MEM CSR to provide some bits of the address.
315  * The following few routines use only sparse address region 1
316  * which gives 1Gbyte of accessible space which relates exactly
317  * to the amount of PCI memory mapping *into* system address space.
318  * See p 6-17 of the specification but it looks something like this:
319  *
320  * 21164 Address:
321  *
322  * 3 2 1
323  * 9876543210987654321098765432109876543210
324  * 1ZZZZ0.PCI.QW.Address............BBLL
325  *
326  * ZZ = SBZ
327  * BB = Byte offset
328  * LL = Transfer length
329  *
330  * PCI Address:
331  *
332  * 3 2 1
333  * 10987654321098765432109876543210
334  * HHH....PCI.QW.Address........ 00
335  *
336  * HHH = 31:29 HAE_MEM CSR
337  *
338  */
339 
340 #define vip volatile int __force *
341 #define vuip volatile unsigned int __force *
342 #define vulp volatile unsigned long __force *
343 
344 __EXTERN_INLINE unsigned int cia_ioread8(void __iomem *xaddr)
345 {
346  unsigned long addr = (unsigned long) xaddr;
347  unsigned long result, base_and_type;
348 
349  if (addr >= CIA_DENSE_MEM)
350  base_and_type = CIA_SPARSE_MEM + 0x00;
351  else
352  base_and_type = CIA_IO + 0x00;
353 
354  /* We can use CIA_MEM_R1_MASK for io ports too, since it is large
355  enough to cover all io ports, and smaller than CIA_IO. */
356  addr &= CIA_MEM_R1_MASK;
357  result = *(vip) ((addr << 5) + base_and_type);
358  return __kernel_extbl(result, addr & 3);
359 }
360 
361 __EXTERN_INLINE void cia_iowrite8(u8 b, void __iomem *xaddr)
362 {
363  unsigned long addr = (unsigned long) xaddr;
364  unsigned long w, base_and_type;
365 
366  if (addr >= CIA_DENSE_MEM)
367  base_and_type = CIA_SPARSE_MEM + 0x00;
368  else
369  base_and_type = CIA_IO + 0x00;
370 
371  addr &= CIA_MEM_R1_MASK;
372  w = __kernel_insbl(b, addr & 3);
373  *(vuip) ((addr << 5) + base_and_type) = w;
374 }
375 
376 __EXTERN_INLINE unsigned int cia_ioread16(void __iomem *xaddr)
377 {
378  unsigned long addr = (unsigned long) xaddr;
379  unsigned long result, base_and_type;
380 
381  if (addr >= CIA_DENSE_MEM)
382  base_and_type = CIA_SPARSE_MEM + 0x08;
383  else
384  base_and_type = CIA_IO + 0x08;
385 
386  addr &= CIA_MEM_R1_MASK;
387  result = *(vip) ((addr << 5) + base_and_type);
388  return __kernel_extwl(result, addr & 3);
389 }
390 
391 __EXTERN_INLINE void cia_iowrite16(u16 b, void __iomem *xaddr)
392 {
393  unsigned long addr = (unsigned long) xaddr;
394  unsigned long w, base_and_type;
395 
396  if (addr >= CIA_DENSE_MEM)
397  base_and_type = CIA_SPARSE_MEM + 0x08;
398  else
399  base_and_type = CIA_IO + 0x08;
400 
401  addr &= CIA_MEM_R1_MASK;
402  w = __kernel_inswl(b, addr & 3);
403  *(vuip) ((addr << 5) + base_and_type) = w;
404 }
405 
406 __EXTERN_INLINE unsigned int cia_ioread32(void __iomem *xaddr)
407 {
408  unsigned long addr = (unsigned long) xaddr;
409  if (addr < CIA_DENSE_MEM)
410  addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
411  return *(vuip)addr;
412 }
413 
414 __EXTERN_INLINE void cia_iowrite32(u32 b, void __iomem *xaddr)
415 {
416  unsigned long addr = (unsigned long) xaddr;
417  if (addr < CIA_DENSE_MEM)
418  addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
419  *(vuip)addr = b;
420 }
421 
422 __EXTERN_INLINE void __iomem *cia_ioportmap(unsigned long addr)
423 {
424  return (void __iomem *)(addr + CIA_IO);
425 }
426 
427 __EXTERN_INLINE void __iomem *cia_ioremap(unsigned long addr,
428  unsigned long size)
429 {
430  return (void __iomem *)(addr + CIA_DENSE_MEM);
431 }
432 
433 __EXTERN_INLINE int cia_is_ioaddr(unsigned long addr)
434 {
435  return addr >= IDENT_ADDR + 0x8000000000UL;
436 }
437 
438 __EXTERN_INLINE int cia_is_mmio(const volatile void __iomem *addr)
439 {
440  return (unsigned long)addr >= CIA_DENSE_MEM;
441 }
442 
443 __EXTERN_INLINE void __iomem *cia_bwx_ioportmap(unsigned long addr)
444 {
445  return (void __iomem *)(addr + CIA_BW_IO);
446 }
447 
448 __EXTERN_INLINE void __iomem *cia_bwx_ioremap(unsigned long addr,
449  unsigned long size)
450 {
451  return (void __iomem *)(addr + CIA_BW_MEM);
452 }
453 
454 __EXTERN_INLINE int cia_bwx_is_ioaddr(unsigned long addr)
455 {
456  return addr >= IDENT_ADDR + 0x8000000000UL;
457 }
458 
459 __EXTERN_INLINE int cia_bwx_is_mmio(const volatile void __iomem *addr)
460 {
461  return (unsigned long)addr < CIA_BW_IO;
462 }
463 
464 #undef vip
465 #undef vuip
466 #undef vulp
467 
468 #undef __IO_PREFIX
469 #define __IO_PREFIX cia
470 #define cia_trivial_rw_bw 2
471 #define cia_trivial_rw_lq 1
472 #define cia_trivial_io_bw 0
473 #define cia_trivial_io_lq 0
474 #define cia_trivial_iounmap 1
475 #include <asm/io_trivial.h>
476 
477 #undef __IO_PREFIX
478 #define __IO_PREFIX cia_bwx
479 #define cia_bwx_trivial_rw_bw 1
480 #define cia_bwx_trivial_rw_lq 1
481 #define cia_bwx_trivial_io_bw 1
482 #define cia_bwx_trivial_io_lq 1
483 #define cia_bwx_trivial_iounmap 1
484 #include <asm/io_trivial.h>
485 
486 #undef __IO_PREFIX
487 #ifdef CONFIG_ALPHA_PYXIS
488 #define __IO_PREFIX cia_bwx
489 #else
490 #define __IO_PREFIX cia
491 #endif
492 
493 #ifdef __IO_EXTERN_INLINE
494 #undef __EXTERN_INLINE
495 #undef __IO_EXTERN_INLINE
496 #endif
497 
498 #endif /* __KERNEL__ */
499 
500 #endif /* __ALPHA_CIA__H__ */
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