1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ALPHA_T2__H__
3 #define __ALPHA_T2__H__
5 /* Fit everything into one 128MB HAE window. */
6 #define T2_ONE_HAE_WINDOW 1
8 #include <linux/types.h>
9 #include <linux/spinlock.h>
10 #include <asm/compiler.h>
13 * T2 is the internal name for the core logic chipset which provides
14 * memory controller and PCI access for the SABLE-based systems.
16 * This file is based on:
18 * SABLE I/O Specification
19 * Revision/Update Information: 1.3
25 #define T2_MEM_R1_MASK 0x07ffffff /* Mem sparse region 1 mask is 27 bits */
27 /* GAMMA-SABLE is a SABLE with EV5-based CPUs */
28 #define _GAMMA_BIAS 0x8000000000UL
29 #define GAMMA_BIAS _GAMMA_BIAS
34 #define T2_CONF (IDENT_ADDR + GAMMA_BIAS + 0x390000000UL)
35 #define T2_IO (IDENT_ADDR + GAMMA_BIAS + 0x3a0000000UL)
36 #define T2_SPARSE_MEM (IDENT_ADDR + GAMMA_BIAS + 0x200000000UL)
37 #define T2_DENSE_MEM (IDENT_ADDR + GAMMA_BIAS + 0x3c0000000UL)
39 #define T2_IOCSR (IDENT_ADDR + GAMMA_BIAS + 0x38e000000UL)
40 #define T2_CERR1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000020UL)
41 #define T2_CERR2 (IDENT_ADDR + GAMMA_BIAS + 0x38e000040UL)
42 #define T2_CERR3 (IDENT_ADDR + GAMMA_BIAS + 0x38e000060UL)
43 #define T2_PERR1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000080UL)
44 #define T2_PERR2 (IDENT_ADDR + GAMMA_BIAS + 0x38e0000a0UL)
45 #define T2_PSCR (IDENT_ADDR + GAMMA_BIAS + 0x38e0000c0UL)
46 #define T2_HAE_1 (IDENT_ADDR + GAMMA_BIAS + 0x38e0000e0UL)
47 #define T2_HAE_2 (IDENT_ADDR + GAMMA_BIAS + 0x38e000100UL)
48 #define T2_HBASE (IDENT_ADDR + GAMMA_BIAS + 0x38e000120UL)
49 #define T2_WBASE1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000140UL)
50 #define T2_WMASK1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000160UL)
51 #define T2_TBASE1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000180UL)
52 #define T2_WBASE2 (IDENT_ADDR + GAMMA_BIAS + 0x38e0001a0UL)
53 #define T2_WMASK2 (IDENT_ADDR + GAMMA_BIAS + 0x38e0001c0UL)
54 #define T2_TBASE2 (IDENT_ADDR + GAMMA_BIAS + 0x38e0001e0UL)
55 #define T2_TLBBR (IDENT_ADDR + GAMMA_BIAS + 0x38e000200UL)
56 #define T2_IVR (IDENT_ADDR + GAMMA_BIAS + 0x38e000220UL)
57 #define T2_HAE_3 (IDENT_ADDR + GAMMA_BIAS + 0x38e000240UL)
58 #define T2_HAE_4 (IDENT_ADDR + GAMMA_BIAS + 0x38e000260UL)
60 /* The CSRs below are T3/T4 only */
61 #define T2_WBASE3 (IDENT_ADDR + GAMMA_BIAS + 0x38e000280UL)
62 #define T2_WMASK3 (IDENT_ADDR + GAMMA_BIAS + 0x38e0002a0UL)
63 #define T2_TBASE3 (IDENT_ADDR + GAMMA_BIAS + 0x38e0002c0UL)
65 #define T2_TDR0 (IDENT_ADDR + GAMMA_BIAS + 0x38e000300UL)
66 #define T2_TDR1 (IDENT_ADDR + GAMMA_BIAS + 0x38e000320UL)
67 #define T2_TDR2 (IDENT_ADDR + GAMMA_BIAS + 0x38e000340UL)
68 #define T2_TDR3 (IDENT_ADDR + GAMMA_BIAS + 0x38e000360UL)
69 #define T2_TDR4 (IDENT_ADDR + GAMMA_BIAS + 0x38e000380UL)
70 #define T2_TDR5 (IDENT_ADDR + GAMMA_BIAS + 0x38e0003a0UL)
71 #define T2_TDR6 (IDENT_ADDR + GAMMA_BIAS + 0x38e0003c0UL)
72 #define T2_TDR7 (IDENT_ADDR + GAMMA_BIAS + 0x38e0003e0UL)
74 #define T2_WBASE4 (IDENT_ADDR + GAMMA_BIAS + 0x38e000400UL)
75 #define T2_WMASK4 (IDENT_ADDR + GAMMA_BIAS + 0x38e000420UL)
76 #define T2_TBASE4 (IDENT_ADDR + GAMMA_BIAS + 0x38e000440UL)
78 #define T2_AIR (IDENT_ADDR + GAMMA_BIAS + 0x38e000460UL)
79 #define T2_VAR (IDENT_ADDR + GAMMA_BIAS + 0x38e000480UL)
80 #define T2_DIR (IDENT_ADDR + GAMMA_BIAS + 0x38e0004a0UL)
81 #define T2_ICE (IDENT_ADDR + GAMMA_BIAS + 0x38e0004c0UL)
83 #ifndef T2_ONE_HAE_WINDOW
84 #define T2_HAE_ADDRESS T2_HAE_1
87 /* T2 CSRs are in the non-cachable primary IO space from 3.8000.0000 to
90 * +--------------+ 3 8000 0000
92 * +--------------+ 3 8100 0000
94 * +--------------+ 3 8200 0000
96 * +--------------+ 3 8300 0000
98 * +--------------+ 3 8400 0000
100 * +--------------+ 3 8700 0000
102 * +--------------+ 3 8800 0000
104 * +--------------+ 3 8900 0000
106 * +--------------+ 3 8a00 0000
108 * +--------------+ 3 8b00 0000
110 * +--------------+ 3 8c00 0000
112 * +--------------+ 3 8e00 0000
114 * +--------------+ 3 8f00 0000
116 * +--------------+ 3 9000 0000
120 #define T2_CPU0_BASE (IDENT_ADDR + GAMMA_BIAS + 0x380000000L)
121 #define T2_CPU1_BASE (IDENT_ADDR + GAMMA_BIAS + 0x381000000L)
122 #define T2_CPU2_BASE (IDENT_ADDR + GAMMA_BIAS + 0x382000000L)
123 #define T2_CPU3_BASE (IDENT_ADDR + GAMMA_BIAS + 0x383000000L)
125 #define T2_CPUn_BASE(n) (T2_CPU0_BASE + (((n)&3) * 0x001000000L))
127 #define T2_MEM0_BASE (IDENT_ADDR + GAMMA_BIAS + 0x388000000L)
128 #define T2_MEM1_BASE (IDENT_ADDR + GAMMA_BIAS + 0x389000000L)
129 #define T2_MEM2_BASE (IDENT_ADDR + GAMMA_BIAS + 0x38a000000L)
130 #define T2_MEM3_BASE (IDENT_ADDR + GAMMA_BIAS + 0x38b000000L)
134 * Sable CPU Module CSRS
136 * These are CSRs for hardware other than the CPU chip on the CPU module.
137 * The CPU module has Backup Cache control logic, Cbus control logic, and
138 * interrupt control logic on it. There is a duplicate tag store to speed
139 * up maintaining cache coherency.
142 struct sable_cpu_csr {
143 unsigned long bcc; long fill_00[3]; /* Backup Cache Control */
144 unsigned long bcce; long fill_01[3]; /* Backup Cache Correctable Error */
145 unsigned long bccea; long fill_02[3]; /* B-Cache Corr Err Address Latch */
146 unsigned long bcue; long fill_03[3]; /* B-Cache Uncorrectable Error */
147 unsigned long bcuea; long fill_04[3]; /* B-Cache Uncorr Err Addr Latch */
148 unsigned long dter; long fill_05[3]; /* Duplicate Tag Error */
149 unsigned long cbctl; long fill_06[3]; /* CBus Control */
150 unsigned long cbe; long fill_07[3]; /* CBus Error */
151 unsigned long cbeal; long fill_08[3]; /* CBus Error Addr Latch low */
152 unsigned long cbeah; long fill_09[3]; /* CBus Error Addr Latch high */
153 unsigned long pmbx; long fill_10[3]; /* Processor Mailbox */
154 unsigned long ipir; long fill_11[3]; /* Inter-Processor Int Request */
155 unsigned long sic; long fill_12[3]; /* System Interrupt Clear */
156 unsigned long adlk; long fill_13[3]; /* Address Lock (LDxL/STxC) */
157 unsigned long madrl; long fill_14[3]; /* CBus Miss Address */
158 unsigned long rev; long fill_15[3]; /* CMIC Revision */
162 * Data structure for handling T2 machine checks:
164 struct el_t2_frame_header {
165 unsigned int elcf_fid; /* Frame ID (from above) */
166 unsigned int elcf_size; /* Size of frame in bytes */
169 struct el_t2_procdata_mcheck {
170 unsigned long elfmc_paltemp[32]; /* PAL TEMP REGS. */
171 /* EV4-specific fields */
172 unsigned long elfmc_exc_addr; /* Addr of excepting insn. */
173 unsigned long elfmc_exc_sum; /* Summary of arith traps. */
174 unsigned long elfmc_exc_mask; /* Exception mask (from exc_sum). */
175 unsigned long elfmc_iccsr; /* IBox hardware enables. */
176 unsigned long elfmc_pal_base; /* Base address for PALcode. */
177 unsigned long elfmc_hier; /* Hardware Interrupt Enable. */
178 unsigned long elfmc_hirr; /* Hardware Interrupt Request. */
179 unsigned long elfmc_mm_csr; /* D-stream fault info. */
180 unsigned long elfmc_dc_stat; /* D-cache status (ECC/Parity Err). */
181 unsigned long elfmc_dc_addr; /* EV3 Phys Addr for ECC/DPERR. */
182 unsigned long elfmc_abox_ctl; /* ABox Control Register. */
183 unsigned long elfmc_biu_stat; /* BIU Status. */
184 unsigned long elfmc_biu_addr; /* BUI Address. */
185 unsigned long elfmc_biu_ctl; /* BIU Control. */
186 unsigned long elfmc_fill_syndrome; /* For correcting ECC errors. */
187 unsigned long elfmc_fill_addr;/* Cache block which was being read. */
188 unsigned long elfmc_va; /* Effective VA of fault or miss. */
189 unsigned long elfmc_bc_tag; /* Backup Cache Tag Probe Results. */
193 * Sable processor specific Machine Check Data segment.
196 struct el_t2_logout_header {
197 unsigned int elfl_size; /* size in bytes of logout area. */
198 unsigned int elfl_sbz1:31; /* Should be zero. */
199 unsigned int elfl_retry:1; /* Retry flag. */
200 unsigned int elfl_procoffset; /* Processor-specific offset. */
201 unsigned int elfl_sysoffset; /* Offset of system-specific. */
202 unsigned int elfl_error_type; /* PAL error type code. */
203 unsigned int elfl_frame_rev; /* PAL Frame revision. */
205 struct el_t2_sysdata_mcheck {
206 unsigned long elcmc_bcc; /* CSR 0 */
207 unsigned long elcmc_bcce; /* CSR 1 */
208 unsigned long elcmc_bccea; /* CSR 2 */
209 unsigned long elcmc_bcue; /* CSR 3 */
210 unsigned long elcmc_bcuea; /* CSR 4 */
211 unsigned long elcmc_dter; /* CSR 5 */
212 unsigned long elcmc_cbctl; /* CSR 6 */
213 unsigned long elcmc_cbe; /* CSR 7 */
214 unsigned long elcmc_cbeal; /* CSR 8 */
215 unsigned long elcmc_cbeah; /* CSR 9 */
216 unsigned long elcmc_pmbx; /* CSR 10 */
217 unsigned long elcmc_ipir; /* CSR 11 */
218 unsigned long elcmc_sic; /* CSR 12 */
219 unsigned long elcmc_adlk; /* CSR 13 */
220 unsigned long elcmc_madrl; /* CSR 14 */
221 unsigned long elcmc_crrev4; /* CSR 15 */
225 * Sable memory error frame - sable pfms section 3.42
227 struct el_t2_data_memory {
228 struct el_t2_frame_header elcm_hdr; /* ID$MEM-FERR = 0x08 */
229 unsigned int elcm_module; /* Module id. */
230 unsigned int elcm_res04; /* Reserved. */
231 unsigned long elcm_merr; /* CSR0: Error Reg 1. */
232 unsigned long elcm_mcmd1; /* CSR1: Command Trap 1. */
233 unsigned long elcm_mcmd2; /* CSR2: Command Trap 2. */
234 unsigned long elcm_mconf; /* CSR3: Configuration. */
235 unsigned long elcm_medc1; /* CSR4: EDC Status 1. */
236 unsigned long elcm_medc2; /* CSR5: EDC Status 2. */
237 unsigned long elcm_medcc; /* CSR6: EDC Control. */
238 unsigned long elcm_msctl; /* CSR7: Stream Buffer Control. */
239 unsigned long elcm_mref; /* CSR8: Refresh Control. */
240 unsigned long elcm_filter; /* CSR9: CRD Filter Control. */
245 * Sable other CPU error frame - sable pfms section 3.43
247 struct el_t2_data_other_cpu {
248 short elco_cpuid; /* CPU ID */
250 unsigned long elco_bcc; /* CSR 0 */
251 unsigned long elco_bcce; /* CSR 1 */
252 unsigned long elco_bccea; /* CSR 2 */
253 unsigned long elco_bcue; /* CSR 3 */
254 unsigned long elco_bcuea; /* CSR 4 */
255 unsigned long elco_dter; /* CSR 5 */
256 unsigned long elco_cbctl; /* CSR 6 */
257 unsigned long elco_cbe; /* CSR 7 */
258 unsigned long elco_cbeal; /* CSR 8 */
259 unsigned long elco_cbeah; /* CSR 9 */
260 unsigned long elco_pmbx; /* CSR 10 */
261 unsigned long elco_ipir; /* CSR 11 */
262 unsigned long elco_sic; /* CSR 12 */
263 unsigned long elco_adlk; /* CSR 13 */
264 unsigned long elco_madrl; /* CSR 14 */
265 unsigned long elco_crrev4; /* CSR 15 */
269 * Sable other CPU error frame - sable pfms section 3.44
271 struct el_t2_data_t2{
272 struct el_t2_frame_header elct_hdr; /* ID$T2-FRAME */
273 unsigned long elct_iocsr; /* IO Control and Status Register */
274 unsigned long elct_cerr1; /* Cbus Error Register 1 */
275 unsigned long elct_cerr2; /* Cbus Error Register 2 */
276 unsigned long elct_cerr3; /* Cbus Error Register 3 */
277 unsigned long elct_perr1; /* PCI Error Register 1 */
278 unsigned long elct_perr2; /* PCI Error Register 2 */
279 unsigned long elct_hae0_1; /* High Address Extension Register 1 */
280 unsigned long elct_hae0_2; /* High Address Extension Register 2 */
281 unsigned long elct_hbase; /* High Base Register */
282 unsigned long elct_wbase1; /* Window Base Register 1 */
283 unsigned long elct_wmask1; /* Window Mask Register 1 */
284 unsigned long elct_tbase1; /* Translated Base Register 1 */
285 unsigned long elct_wbase2; /* Window Base Register 2 */
286 unsigned long elct_wmask2; /* Window Mask Register 2 */
287 unsigned long elct_tbase2; /* Translated Base Register 2 */
288 unsigned long elct_tdr0; /* TLB Data Register 0 */
289 unsigned long elct_tdr1; /* TLB Data Register 1 */
290 unsigned long elct_tdr2; /* TLB Data Register 2 */
291 unsigned long elct_tdr3; /* TLB Data Register 3 */
292 unsigned long elct_tdr4; /* TLB Data Register 4 */
293 unsigned long elct_tdr5; /* TLB Data Register 5 */
294 unsigned long elct_tdr6; /* TLB Data Register 6 */
295 unsigned long elct_tdr7; /* TLB Data Register 7 */
299 * Sable error log data structure - sable pfms section 3.40
301 struct el_t2_data_corrected {
302 unsigned long elcpb_biu_stat;
303 unsigned long elcpb_biu_addr;
304 unsigned long elcpb_biu_ctl;
305 unsigned long elcpb_fill_syndrome;
306 unsigned long elcpb_fill_addr;
307 unsigned long elcpb_bc_tag;
311 * Sable error log data structure
312 * Note there are 4 memory slots on sable (see t2.h)
314 struct el_t2_frame_mcheck {
315 struct el_t2_frame_header elfmc_header; /* ID$P-FRAME_MCHECK */
316 struct el_t2_logout_header elfmc_hdr;
317 struct el_t2_procdata_mcheck elfmc_procdata;
318 struct el_t2_sysdata_mcheck elfmc_sysdata;
319 struct el_t2_data_t2 elfmc_t2data;
320 struct el_t2_data_memory elfmc_memdata[4];
321 struct el_t2_frame_header elfmc_footer; /* empty */
326 * Sable error log data structures on memory errors
328 struct el_t2_frame_corrected {
329 struct el_t2_frame_header elfcc_header; /* ID$P-BC-COR */
330 struct el_t2_logout_header elfcc_hdr;
331 struct el_t2_data_corrected elfcc_procdata;
332 /* struct el_t2_data_t2 elfcc_t2data; */
333 /* struct el_t2_data_memory elfcc_memdata[4]; */
334 struct el_t2_frame_header elfcc_footer; /* empty */
340 #ifndef __EXTERN_INLINE
341 #define __EXTERN_INLINE extern inline
342 #define __IO_EXTERN_INLINE
348 * T2 (the core logic PCI/memory support chipset for the SABLE
349 * series of processors uses a sparse address mapping scheme to
350 * get at PCI memory and I/O.
353 #define vip volatile int *
354 #define vuip volatile unsigned int *
355 #define vulp volatile unsigned long *
357 extern inline u8 t2_inb(unsigned long addr)
359 long result = *(vip) ((addr << 5) + T2_IO + 0x00);
360 return __kernel_extbl(result, addr & 3);
363 extern inline void t2_outb(u8 b, unsigned long addr)
367 w = __kernel_insbl(b, addr & 3);
368 *(vuip) ((addr << 5) + T2_IO + 0x00) = w;
372 extern inline u16 t2_inw(unsigned long addr)
374 long result = *(vip) ((addr << 5) + T2_IO + 0x08);
375 return __kernel_extwl(result, addr & 3);
378 extern inline void t2_outw(u16 b, unsigned long addr)
382 w = __kernel_inswl(b, addr & 3);
383 *(vuip) ((addr << 5) + T2_IO + 0x08) = w;
387 extern inline u32 t2_inl(unsigned long addr)
389 return *(vuip) ((addr << 5) + T2_IO + 0x18);
392 extern inline void t2_outl(u32 b, unsigned long addr)
394 *(vuip) ((addr << 5) + T2_IO + 0x18) = b;
398 extern inline u64 t2_inq(unsigned long addr)
400 return *(vulp) ((addr << 5) + T2_IO + 0x18);
403 extern inline void t2_outq(u64 b, unsigned long addr)
405 *(vulp) ((addr << 5) + T2_IO + 0x18) = b;
413 * For reading and writing 8 and 16 bit quantities we need to
414 * go through one of the three sparse address mapping regions
415 * and use the HAE_MEM CSR to provide some bits of the address.
416 * The following few routines use only sparse address region 1
417 * which gives 1Gbyte of accessible space which relates exactly
418 * to the amount of PCI memory mapping *into* system address space.
419 * See p 6-17 of the specification but it looks something like this:
424 * 9876543210987654321098765432109876543210
425 * 1ZZZZ0.PCI.QW.Address............BBLL
429 * LL = Transfer length
434 * 10987654321098765432109876543210
435 * HHH....PCI.QW.Address........ 00
437 * HHH = 31:29 HAE_MEM CSR
441 #ifdef T2_ONE_HAE_WINDOW
444 #define t2_set_hae { \
445 unsigned long msb = addr >> 27; \
446 addr &= T2_MEM_R1_MASK; \
452 * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
453 * they may be called directly, rather than through the
454 * ioreadNN/iowriteNN routines.
457 __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
459 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
460 unsigned long result;
464 result = *(vip) ((addr << 5) + T2_SPARSE_MEM + 0x00);
465 return __kernel_extbl(result, addr & 3);
468 __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
470 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
471 unsigned long result;
475 result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08);
476 return __kernel_extwl(result, addr & 3);
480 * On SABLE with T2, we must use SPARSE memory even for 32-bit access,
481 * because we cannot access all of DENSE without changing its HAE.
483 __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
485 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
486 unsigned long result;
490 result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18);
491 return result & 0xffffffffUL;
494 __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
496 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
497 unsigned long r0, r1, work;
501 work = (addr << 5) + T2_SPARSE_MEM + 0x18;
503 r1 = *(vuip)(work + (4 << 5));
504 return r1 << 32 | r0;
507 __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
509 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
514 w = __kernel_insbl(b, addr & 3);
515 *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x00) = w;
518 __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
520 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
525 w = __kernel_inswl(b, addr & 3);
526 *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08) = w;
530 * On SABLE with T2, we must use SPARSE memory even for 32-bit access,
531 * because we cannot access all of DENSE without changing its HAE.
533 __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
535 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
539 *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18) = b;
542 __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
544 unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
549 work = (addr << 5) + T2_SPARSE_MEM + 0x18;
551 *(vuip)(work + (4 << 5)) = b >> 32;
554 __EXTERN_INLINE void __iomem *t2_ioportmap(unsigned long addr)
556 return (void __iomem *)(addr + T2_IO);
559 __EXTERN_INLINE void __iomem *t2_ioremap(unsigned long addr,
562 return (void __iomem *)(addr + T2_DENSE_MEM);
565 __EXTERN_INLINE int t2_is_ioaddr(unsigned long addr)
567 return (long)addr >= 0;
570 __EXTERN_INLINE int t2_is_mmio(const volatile void __iomem *addr)
572 return (unsigned long)addr >= T2_DENSE_MEM;
575 /* New-style ioread interface. The mmio routines are so ugly for T2 that
576 it doesn't make sense to merge the pio and mmio routines. */
578 #define IOPORT(OS, NS) \
579 __EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr) \
581 if (t2_is_mmio(xaddr)) \
582 return t2_read##OS(xaddr); \
584 return t2_in##OS((unsigned long)xaddr - T2_IO); \
586 __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr) \
588 if (t2_is_mmio(xaddr)) \
589 t2_write##OS(b, xaddr); \
591 t2_out##OS(b, (unsigned long)xaddr - T2_IO); \
606 #define __IO_PREFIX t2
607 #define t2_trivial_rw_bw 0
608 #define t2_trivial_rw_lq 0
609 #define t2_trivial_io_bw 0
610 #define t2_trivial_io_lq 0
611 #define t2_trivial_iounmap 1
612 #include <asm/io_trivial.h>
614 #ifdef __IO_EXTERN_INLINE
615 #undef __EXTERN_INLINE
616 #undef __IO_EXTERN_INLINE
619 #endif /* __KERNEL__ */
621 #endif /* __ALPHA_T2__H__ */