1 /*	$OpenBSD: pci_swiz_bus_mem_chipdep.c,v 1.8 2009/12/25 20:52:34 miod Exp $	*/
2 /*	$NetBSD: pcs_bus_mem_common.c,v 1.15 1996/12/02 22:19:36 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 /*
32  * Common PCI Chipset "bus I/O" functions, for chipsets which have to
33  * deal with only a single PCI interface chip in a machine.
34  *
35  * uses:
36  *	CHIP		name of the 'chip' it's being compiled for.
37  *	CHIP_D_MEM_BASE	Dense Mem space base to use.
38  *	CHIP_S_MEM_BASE	Sparse Mem space base to use.
39  */
40 
41 #include <sys/extent.h>
42 
43 #define	__C(A,B)	__CONCAT(A,B)
44 #define	__S(S)		__STRING(S)
45 
46 #ifndef	CHIP_EXTENT_DNAME
47 #define	CHIP_EXTENT_DNAME(v)	__S(__C(CHIP,_bus_dmem))
48 #endif
49 #ifndef CHIP_EXTENT_SNAME
50 #define CHIP_EXTENT_SNAME(v)	__S(__C(CHIP,_bus_smem))
51 #endif
52 
53 #ifndef	CHIP_EXTENT_DSTORAGE
54 #define CHIP_EXTENT_DSTORAGE(v)	__C(CHIP,_dmem_ex_storage)
55 static long
56     __C(CHIP,_dmem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
57 #endif
58 #ifndef CHIP_EXTENT_SSTORAGE
59 #define CHIP_EXTENT_SSTORAGE(v)	__C(CHIP,_smem_ex_storage)
60 static long
61     __C(CHIP,_smem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
62 
63 #endif
64 
65 /* mapping/unmapping */
66 int		__C(CHIP,_mem_map)(void *, bus_addr_t, bus_size_t, int,
67 		    bus_space_handle_t *);
68 void		__C(CHIP,_mem_unmap)(void *, bus_space_handle_t,
69 		    bus_size_t);
70 int		__C(CHIP,_mem_subregion)(void *, bus_space_handle_t,
71 		    bus_size_t, bus_size_t, bus_space_handle_t *);
72 
73 /* allocation/deallocation */
74 int		__C(CHIP,_mem_alloc)(void *, bus_addr_t, bus_addr_t,
75 		    bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
76                     bus_space_handle_t *);
77 void		__C(CHIP,_mem_free)(void *, bus_space_handle_t,
78 		    bus_size_t);
79 
80 /* get kernel virtual address */
81 void *		__C(CHIP,_mem_vaddr)(void *, bus_space_handle_t);
82 
83 /* barrier */
84 inline void	__C(CHIP,_mem_barrier)(void *, bus_space_handle_t,
85 		    bus_size_t, bus_size_t, int);
86 
87 /* read (single) */
88 inline u_int8_t	__C(CHIP,_mem_read_1)(void *, bus_space_handle_t,
89 		    bus_size_t);
90 inline u_int16_t __C(CHIP,_mem_read_2)(void *, bus_space_handle_t,
91 		    bus_size_t);
92 inline u_int32_t __C(CHIP,_mem_read_4)(void *, bus_space_handle_t,
93 		    bus_size_t);
94 inline u_int64_t __C(CHIP,_mem_read_8)(void *, bus_space_handle_t,
95 		    bus_size_t);
96 
97 /* read multiple */
98 void		__C(CHIP,_mem_read_multi_1)(void *, bus_space_handle_t,
99 		    bus_size_t, u_int8_t *, bus_size_t);
100 void		__C(CHIP,_mem_read_multi_2)(void *, bus_space_handle_t,
101 		    bus_size_t, u_int16_t *, bus_size_t);
102 void		__C(CHIP,_mem_read_multi_4)(void *, bus_space_handle_t,
103 		    bus_size_t, u_int32_t *, bus_size_t);
104 void		__C(CHIP,_mem_read_multi_8)(void *, bus_space_handle_t,
105 		    bus_size_t, u_int64_t *, bus_size_t);
106 
107 /* read region */
108 void		__C(CHIP,_mem_read_region_1)(void *, bus_space_handle_t,
109 		    bus_size_t, u_int8_t *, bus_size_t);
110 void		__C(CHIP,_mem_read_region_2)(void *, bus_space_handle_t,
111 		    bus_size_t, u_int16_t *, bus_size_t);
112 void		__C(CHIP,_mem_read_region_4)(void *, bus_space_handle_t,
113 		    bus_size_t, u_int32_t *, bus_size_t);
114 void		__C(CHIP,_mem_read_region_8)(void *, bus_space_handle_t,
115 		    bus_size_t, u_int64_t *, bus_size_t);
116 
117 /* write (single) */
118 inline void	__C(CHIP,_mem_write_1)(void *, bus_space_handle_t,
119 		    bus_size_t, u_int8_t);
120 inline void	__C(CHIP,_mem_write_2)(void *, bus_space_handle_t,
121 		    bus_size_t, u_int16_t);
122 inline void	__C(CHIP,_mem_write_4)(void *, bus_space_handle_t,
123 		    bus_size_t, u_int32_t);
124 inline void	__C(CHIP,_mem_write_8)(void *, bus_space_handle_t,
125 		    bus_size_t, u_int64_t);
126 
127 /* write multiple */
128 void		__C(CHIP,_mem_write_multi_1)(void *, bus_space_handle_t,
129 		    bus_size_t, const u_int8_t *, bus_size_t);
130 void		__C(CHIP,_mem_write_multi_2)(void *, bus_space_handle_t,
131 		    bus_size_t, const u_int16_t *, bus_size_t);
132 void		__C(CHIP,_mem_write_multi_4)(void *, bus_space_handle_t,
133 		    bus_size_t, const u_int32_t *, bus_size_t);
134 void		__C(CHIP,_mem_write_multi_8)(void *, bus_space_handle_t,
135 		    bus_size_t, const u_int64_t *, bus_size_t);
136 
137 /* write region */
138 void		__C(CHIP,_mem_write_region_1)(void *, bus_space_handle_t,
139 		    bus_size_t, const u_int8_t *, bus_size_t);
140 void		__C(CHIP,_mem_write_region_2)(void *, bus_space_handle_t,
141 		    bus_size_t, const u_int16_t *, bus_size_t);
142 void		__C(CHIP,_mem_write_region_4)(void *, bus_space_handle_t,
143 		    bus_size_t, const u_int32_t *, bus_size_t);
144 void		__C(CHIP,_mem_write_region_8)(void *, bus_space_handle_t,
145 		    bus_size_t, const u_int64_t *, bus_size_t);
146 
147 /* set multiple */
148 void		__C(CHIP,_mem_set_multi_1)(void *, bus_space_handle_t,
149 		    bus_size_t, u_int8_t, bus_size_t);
150 void		__C(CHIP,_mem_set_multi_2)(void *, bus_space_handle_t,
151 		    bus_size_t, u_int16_t, bus_size_t);
152 void		__C(CHIP,_mem_set_multi_4)(void *, bus_space_handle_t,
153 		    bus_size_t, u_int32_t, bus_size_t);
154 void		__C(CHIP,_mem_set_multi_8)(void *, bus_space_handle_t,
155 		    bus_size_t, u_int64_t, bus_size_t);
156 
157 /* set region */
158 void		__C(CHIP,_mem_set_region_1)(void *, bus_space_handle_t,
159 		    bus_size_t, u_int8_t, bus_size_t);
160 void		__C(CHIP,_mem_set_region_2)(void *, bus_space_handle_t,
161 		    bus_size_t, u_int16_t, bus_size_t);
162 void		__C(CHIP,_mem_set_region_4)(void *, bus_space_handle_t,
163 		    bus_size_t, u_int32_t, bus_size_t);
164 void		__C(CHIP,_mem_set_region_8)(void *, bus_space_handle_t,
165 		    bus_size_t, u_int64_t, bus_size_t);
166 
167 /* copy */
168 void		__C(CHIP,_mem_copy_1)(void *, bus_space_handle_t,
169 		    bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
170 void		__C(CHIP,_mem_copy_2)(void *, bus_space_handle_t,
171 		    bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
172 void		__C(CHIP,_mem_copy_4)(void *, bus_space_handle_t,
173 		    bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
174 void		__C(CHIP,_mem_copy_8)(void *, bus_space_handle_t,
175 		    bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
176 
177 /* read multiple raw */
178 void		__C(CHIP,_mem_read_raw_multi_2)(void *,
179 		    bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
180 void		__C(CHIP,_mem_read_raw_multi_4)(void *,
181 		    bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
182 void		__C(CHIP,_mem_read_raw_multi_8)(void *,
183 		    bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
184 
185 /* write multiple raw */
186 void		__C(CHIP,_mem_write_raw_multi_2)(void *,
187 		    bus_space_handle_t, bus_size_t, const u_int8_t *,
188 		    bus_size_t);
189 void		__C(CHIP,_mem_write_raw_multi_4)(void *,
190 		    bus_space_handle_t, bus_size_t, const u_int8_t *,
191 		    bus_size_t);
192 void		__C(CHIP,_mem_write_raw_multi_8)(void *,
193 		    bus_space_handle_t, bus_size_t, const u_int8_t *,
194 		    bus_size_t);
195 
196 void
197 __C(CHIP,_bus_mem_init)(t, v)
198 	bus_space_tag_t t;
199 	void *v;
200 {
201 	struct extent *dex, *sex;
202 
203 	/*
204 	 * Initialize the bus space tag.
205 	 */
206 
207 	/* cookie */
208 	t->abs_cookie = v;
209 
210 	/* mapping/unmapping */
211 	t->abs_map =		__C(CHIP,_mem_map);
212 	t->abs_unmap =		__C(CHIP,_mem_unmap);
213 	t->abs_subregion =	__C(CHIP,_mem_subregion);
214 
215 	/* allocation/deallocation */
216 	t->abs_alloc =		__C(CHIP,_mem_alloc);
217 	t->abs_free = 		__C(CHIP,_mem_free);
218 
219 	/* get kernel virtual address */
220 	t->abs_vaddr =		__C(CHIP,_mem_vaddr);
221 	/* barrier */
222 	t->abs_barrier =	__C(CHIP,_mem_barrier);
223 
224 	/* read (single) */
225 	t->abs_r_1 =		__C(CHIP,_mem_read_1);
226 	t->abs_r_2 =		__C(CHIP,_mem_read_2);
227 	t->abs_r_4 =		__C(CHIP,_mem_read_4);
228 	t->abs_r_8 =		__C(CHIP,_mem_read_8);
229 
230 	/* read multiple */
231 	t->abs_rm_1 =		__C(CHIP,_mem_read_multi_1);
232 	t->abs_rm_2 =		__C(CHIP,_mem_read_multi_2);
233 	t->abs_rm_4 =		__C(CHIP,_mem_read_multi_4);
234 	t->abs_rm_8 =		__C(CHIP,_mem_read_multi_8);
235 
236 	/* read region */
237 	t->abs_rr_1 =		__C(CHIP,_mem_read_region_1);
238 	t->abs_rr_2 =		__C(CHIP,_mem_read_region_2);
239 	t->abs_rr_4 =		__C(CHIP,_mem_read_region_4);
240 	t->abs_rr_8 =		__C(CHIP,_mem_read_region_8);
241 
242 	/* write (single) */
243 	t->abs_w_1 =		__C(CHIP,_mem_write_1);
244 	t->abs_w_2 =		__C(CHIP,_mem_write_2);
245 	t->abs_w_4 =		__C(CHIP,_mem_write_4);
246 	t->abs_w_8 =		__C(CHIP,_mem_write_8);
247 
248 	/* write multiple */
249 	t->abs_wm_1 =		__C(CHIP,_mem_write_multi_1);
250 	t->abs_wm_2 =		__C(CHIP,_mem_write_multi_2);
251 	t->abs_wm_4 =		__C(CHIP,_mem_write_multi_4);
252 	t->abs_wm_8 =		__C(CHIP,_mem_write_multi_8);
253 
254 	/* write region */
255 	t->abs_wr_1 =		__C(CHIP,_mem_write_region_1);
256 	t->abs_wr_2 =		__C(CHIP,_mem_write_region_2);
257 	t->abs_wr_4 =		__C(CHIP,_mem_write_region_4);
258 	t->abs_wr_8 =		__C(CHIP,_mem_write_region_8);
259 
260 	/* set multiple */
261 	t->abs_sm_1 =		__C(CHIP,_mem_set_multi_1);
262 	t->abs_sm_2 =		__C(CHIP,_mem_set_multi_2);
263 	t->abs_sm_4 =		__C(CHIP,_mem_set_multi_4);
264 	t->abs_sm_8 =		__C(CHIP,_mem_set_multi_8);
265 
266 	/* set region */
267 	t->abs_sr_1 =		__C(CHIP,_mem_set_region_1);
268 	t->abs_sr_2 =		__C(CHIP,_mem_set_region_2);
269 	t->abs_sr_4 =		__C(CHIP,_mem_set_region_4);
270 	t->abs_sr_8 =		__C(CHIP,_mem_set_region_8);
271 
272 	/* copy */
273 	t->abs_c_1 =		__C(CHIP,_mem_copy_1);
274 	t->abs_c_2 =		__C(CHIP,_mem_copy_2);
275 	t->abs_c_4 =		__C(CHIP,_mem_copy_4);
276 	t->abs_c_8 =		__C(CHIP,_mem_copy_8);
277 
278 	/* read multiple raw */
279 	t->abs_rrm_2 =		__C(CHIP,_mem_read_raw_multi_2);
280 	t->abs_rrm_4 =		__C(CHIP,_mem_read_raw_multi_4);
281 	t->abs_rrm_8 =		__C(CHIP,_mem_read_raw_multi_8);
282 
283 	/* write multiple raw*/
284 	t->abs_wrm_2 =		__C(CHIP,_mem_write_raw_multi_2);
285 	t->abs_wrm_4 =		__C(CHIP,_mem_write_raw_multi_4);
286 	t->abs_wrm_8 =		__C(CHIP,_mem_write_raw_multi_8);
287 
288 	/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
289 	dex = extent_create(CHIP_EXTENT_DNAME(v), 0x0UL,
290 	    0xffffffffffffffffUL, M_DEVBUF,
291 	    (caddr_t)CHIP_EXTENT_DSTORAGE(v),
292 	    sizeof(CHIP_EXTENT_DSTORAGE(v)), EX_NOWAIT);
293 	extent_alloc_region(dex, 0, 0xffffffffffffffffUL, EX_NOWAIT);
294 
295 #ifdef CHIP_D_MEM_W1_BUS_START
296 #ifdef EXTENT_DEBUG
297 	printf("dmem: freeing from 0x%lx to 0x%lx\n",
298 	    CHIP_D_MEM_W1_BUS_START(v), CHIP_D_MEM_W1_BUS_END(v));
299 #endif
300 	extent_free(dex, CHIP_D_MEM_W1_BUS_START(v),
301 	    CHIP_D_MEM_W1_BUS_END(v) - CHIP_D_MEM_W1_BUS_START(v) + 1,
302 	    EX_NOWAIT);
303 #endif
304 
305 #ifdef EXTENT_DEBUG
306         extent_print(dex);
307 #endif
308         CHIP_D_MEM_EXTENT(v) = dex;
309 
310 	/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
311 	sex = extent_create(CHIP_EXTENT_SNAME(v), 0x0UL,
312 	    0xffffffffffffffffUL, M_DEVBUF,
313 	    (caddr_t)CHIP_EXTENT_SSTORAGE(v),
314 	    sizeof(CHIP_EXTENT_SSTORAGE(v)), EX_NOWAIT);
315 	extent_alloc_region(sex, 0, 0xffffffffffffffffUL, EX_NOWAIT);
316 
317 #ifdef CHIP_S_MEM_W1_BUS_START
318 #ifdef EXTENT_DEBUG
319 	printf("smem: freeing from 0x%lx to 0x%lx\n",
320 	    CHIP_S_MEM_W1_BUS_START(v), CHIP_S_MEM_W1_BUS_END(v));
321 #endif
322 	extent_free(sex, CHIP_S_MEM_W1_BUS_START(v),
323 	    CHIP_S_MEM_W1_BUS_END(v) - CHIP_S_MEM_W1_BUS_START(v) + 1,
324 	    EX_NOWAIT);
325 #endif
326 #ifdef CHIP_S_MEM_W2_BUS_START
327 	if (CHIP_S_MEM_W2_BUS_START(v) != CHIP_S_MEM_W1_BUS_START(v)) {
328 #ifdef EXTENT_DEBUG
329 		printf("smem: freeing from 0x%lx to 0x%lx\n",
330 		    CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
331 #endif
332 		extent_free(sex, CHIP_S_MEM_W2_BUS_START(v),
333 		    CHIP_S_MEM_W2_BUS_END(v) - CHIP_S_MEM_W2_BUS_START(v) + 1,
334 		    EX_NOWAIT);
335 	} else {
336 #ifdef EXTENT_DEBUG
337 		printf("smem: window 2 (0x%lx to 0x%lx) overlaps window 1\n",
338 		    CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
339 #endif
340 	}
341 #endif
342 #ifdef CHIP_S_MEM_W3_BUS_START
343 	if (CHIP_S_MEM_W3_BUS_START(v) != CHIP_S_MEM_W1_BUS_START(v) &&
344 	    CHIP_S_MEM_W3_BUS_START(v) != CHIP_S_MEM_W2_BUS_START(v)) {
345 #ifdef EXTENT_DEBUG
346 		printf("smem: freeing from 0x%lx to 0x%lx\n",
347 		    CHIP_S_MEM_W3_BUS_START(v), CHIP_S_MEM_W3_BUS_END(v));
348 #endif
349 		extent_free(sex, CHIP_S_MEM_W3_BUS_START(v),
350 		    CHIP_S_MEM_W3_BUS_END(v) - CHIP_S_MEM_W3_BUS_START(v) + 1,
351 		    EX_NOWAIT);
352 	} else {
353 #ifdef EXTENT_DEBUG
354 		printf("smem: window 2 (0x%lx to 0x%lx) overlaps window 1\n",
355 		    CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
356 #endif
357 	}
358 #endif
359 
360 #ifdef EXTENT_DEBUG
361         extent_print(sex);
362 #endif
363         CHIP_S_MEM_EXTENT(v) = sex;
364 }
365 
366 static int	__C(CHIP,_xlate_addr_to_dense_handle)(void *,
367 		    bus_addr_t, bus_space_handle_t *);
368 static int	__C(CHIP,_xlate_dense_handle_to_addr)(void *,
369 		    bus_space_handle_t, bus_addr_t *);
370 static int	__C(CHIP,_xlate_addr_to_sparse_handle)(void *,
371 		    bus_addr_t, bus_space_handle_t *);
372 static int	__C(CHIP,_xlate_sparse_handle_to_addr)(void *,
373 		    bus_space_handle_t, bus_addr_t *);
374 
375 static int
376 __C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr, memhp)
377 	void *v;
378 	bus_addr_t memaddr;
379 	bus_space_handle_t *memhp;
380 {
381 #ifdef CHIP_D_MEM_W1_BUS_START
382 	if (memaddr >= CHIP_D_MEM_W1_BUS_START(v) &&
383 	    memaddr <= CHIP_D_MEM_W1_BUS_END(v)) {
384 		*memhp = ALPHA_PHYS_TO_K0SEG(CHIP_D_MEM_W1_SYS_START(v)) +
385 		    (memaddr - CHIP_D_MEM_W1_BUS_START(v));
386 		return (1);
387 	} else
388 #endif
389 		return (0);
390 }
391 
392 static int
393 __C(CHIP,_xlate_dense_handle_to_addr)(v, memh, memaddrp)
394 	void *v;
395 	bus_space_handle_t memh;
396 	bus_addr_t *memaddrp;
397 {
398 
399 	memh = ALPHA_K0SEG_TO_PHYS(memh);
400 
401 #ifdef CHIP_D_MEM_W1_BUS_START
402 	if (memh >= CHIP_D_MEM_W1_SYS_START(v) &&
403 	    memh <= CHIP_D_MEM_W1_SYS_END(v)) {
404 		*memaddrp = CHIP_D_MEM_W1_BUS_START(v) +
405 		    (memh - CHIP_D_MEM_W1_SYS_START(v));
406 		return (1);
407 	} else
408 #endif
409 		return (0);
410 }
411 
412 static int
413 __C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr, memhp)
414 	void *v;
415 	bus_addr_t memaddr;
416 	bus_space_handle_t *memhp;
417 {
418 
419 #ifdef CHIP_S_MEM_W1_BUS_START
420 	if (memaddr >= CHIP_S_MEM_W1_BUS_START(v) &&
421 	    memaddr <= CHIP_S_MEM_W1_BUS_END(v)) {
422 		*memhp =
423 		    (ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W1_SYS_START(v)) >> 5) +
424 		    (memaddr - CHIP_S_MEM_W1_BUS_START(v));
425 		return (1);
426 	} else
427 #endif
428 #ifdef CHIP_S_MEM_W2_BUS_START
429 	if (memaddr >= CHIP_S_MEM_W2_BUS_START(v) &&
430 	    memaddr <= CHIP_S_MEM_W2_BUS_END(v)) {
431 		*memhp =
432 		    (ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W2_SYS_START(v)) >> 5) +
433 		    (memaddr - CHIP_S_MEM_W2_BUS_START(v));
434 		return (1);
435 	} else
436 #endif
437 #ifdef CHIP_S_MEM_W3_BUS_START
438 	if (memaddr >= CHIP_S_MEM_W3_BUS_START(v) &&
439 	    memaddr <= CHIP_S_MEM_W3_BUS_END(v)) {
440 		*memhp =
441 		    (ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W3_SYS_START(v)) >> 5) +
442 		    (memaddr - CHIP_S_MEM_W3_BUS_START(v));
443 		return (1);
444 	} else
445 #endif
446 		return (0);
447 }
448 
449 static int
450 __C(CHIP,_xlate_sparse_handle_to_addr)(v, memh, memaddrp)
451 	void *v;
452 	bus_space_handle_t memh;
453 	bus_addr_t *memaddrp;
454 {
455 
456 	memh = ALPHA_K0SEG_TO_PHYS(memh << 5) >> 5;
457 
458 #ifdef CHIP_S_MEM_W1_BUS_START
459 	if ((memh << 5) >= CHIP_S_MEM_W1_SYS_START(v) &&
460 	    (memh << 5) <= CHIP_S_MEM_W1_SYS_END(v)) {
461 		*memaddrp = CHIP_S_MEM_W1_BUS_START(v) +
462 		    (memh - (CHIP_S_MEM_W1_SYS_START(v) >> 5));
463 		return (1);
464 	} else
465 #endif
466 #ifdef CHIP_S_MEM_W2_BUS_START
467 	if ((memh << 5) >= CHIP_S_MEM_W2_SYS_START(v) &&
468 	    (memh << 5) <= CHIP_S_MEM_W2_SYS_END(v)) {
469 		*memaddrp = CHIP_S_MEM_W2_BUS_START(v) +
470 		    (memh - (CHIP_S_MEM_W2_SYS_START(v) >> 5));
471 		return (1);
472 	} else
473 #endif
474 #ifdef CHIP_S_MEM_W3_BUS_START
475 	if ((memh << 5) >= CHIP_S_MEM_W3_SYS_START(v) &&
476 	    (memh << 5) <= CHIP_S_MEM_W3_SYS_END(v)) {
477 		*memaddrp = CHIP_S_MEM_W3_BUS_START(v) +
478 		    (memh - (CHIP_S_MEM_W3_SYS_START(v) >> 5));
479 		return (1);
480 	} else
481 #endif
482 		return (0);
483 }
484 
485 int
486 __C(CHIP,_mem_map)(v, memaddr, memsize, flags, memhp)
487 	void *v;
488 	bus_addr_t memaddr;
489 	bus_size_t memsize;
490 	int flags;
491 	bus_space_handle_t *memhp;
492 {
493 	bus_space_handle_t dh = 0, sh = 0;	/* XXX -Wuninitialized */
494 	int didd, dids, errord, errors, mustd, musts;
495 	int prefetchable = flags & BUS_SPACE_MAP_PREFETCHABLE;
496 	int linear = flags & BUS_SPACE_MAP_LINEAR;
497 
498 	mustd = 1;
499 	musts = prefetchable == 0;
500 
501 	/*
502 	 * We must have dense space to map memory linearly.
503 	 */
504 	if (linear && !prefetchable)
505 		return (EOPNOTSUPP);
506 
507 #ifdef EXTENT_DEBUG
508 	printf("mem: allocating 0x%lx to 0x%lx\n", memaddr,
509 	    memaddr + memsize - 1);
510 	printf("mem: %s dense, %s sparse\n", mustd ? "need" : "want",
511 	    musts ? "need" : "want");
512 #endif
513 	errord = extent_alloc_region(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
514 	    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
515 	didd = (errord == 0);
516 	errors = extent_alloc_region(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
517 	    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
518 	dids = (errors == 0);
519 
520 #ifdef EXTENT_DEBUG
521 	if (!didd)
522 		printf("mem: failed to get dense (%d)\n", errord);
523 	if (!dids)
524 		printf("mem: failed to get sparse (%d)\n", errors);
525 #endif
526 
527 	if ((mustd && !didd) || (musts && !dids))
528 		goto bad;
529 
530 	if (didd && !__C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr, &dh)) {
531 		printf("\n");
532 #ifdef CHIP_D_MEM_W1_BUS_START
533 		printf("%s: window[1]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
534 		    CHIP_D_MEM_W1_BUS_START(v), CHIP_D_MEM_W1_BUS_END(v));
535 #endif
536 		panic("%s: don't know how to map %lx cacheable",
537 		    __S(__C(CHIP,_mem_map)), memaddr);
538 	}
539 
540 	if (dids && !__C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr, &sh)) {
541 		printf("\n");
542 #ifdef CHIP_S_MEM_W1_BUS_START
543 		printf("%s: window[1]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
544 		    CHIP_S_MEM_W1_BUS_START(v), CHIP_S_MEM_W1_BUS_END(v));
545 #endif
546 #ifdef CHIP_S_MEM_W2_BUS_START
547 		printf("%s: window[2]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
548 		    CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
549 #endif
550 #ifdef CHIP_S_MEM_W3_BUS_START
551 		printf("%s: window[3]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
552 		    CHIP_S_MEM_W3_BUS_START(v), CHIP_S_MEM_W3_BUS_END(v));
553 #endif
554 		panic("%s: don't know how to map %lx non-cacheable",
555 		    __S(__C(CHIP,_mem_map)), memaddr);
556 	}
557 
558 	if (prefetchable)
559 		*memhp = dh;
560 	else
561 		*memhp = sh;
562 	return (0);
563 
564 bad:
565 #ifdef EXTENT_DEBUG
566 	printf("mem: failed\n");
567 #endif
568 	if (didd) {
569 #ifdef EXTENT_DEBUG
570 	printf("mem: freeing dense\n");
571 #endif
572 		if (extent_free(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
573 		    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
574 			printf("%s: WARNING: couldn't free dense 0x%lx-0x%lx\n",
575 			    __S(__C(CHIP,_mem_map)), memaddr,
576 			    memaddr + memsize - 1);
577 		}
578 	}
579 	if (dids) {
580 #ifdef EXTENT_DEBUG
581 	printf("mem: freeing sparse\n");
582 #endif
583 		if (extent_free(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
584 		    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
585 			printf("%s: WARNING: couldn't free sparse 0x%lx-0x%lx\n",
586 			    __S(__C(CHIP,_mem_map)), memaddr,
587 			    memaddr + memsize - 1);
588 		}
589 	}
590 
591 #ifdef EXTENT_DEBUG
592 	extent_print(CHIP_D_MEM_EXTENT(v));
593 	extent_print(CHIP_S_MEM_EXTENT(v));
594 #endif
595 
596 	/*
597 	 * return dense error if we needed it but couldn't get it, else
598 	 * sparse error.  The error _has_ to be one of the two...
599 	 */
600 	return (mustd && !didd ? errord : (musts && !dids ? errors : EINVAL));
601 }
602 
603 void
604 __C(CHIP,_mem_unmap)(v, memh, memsize)
605 	void *v;
606 	bus_space_handle_t memh;
607 	bus_size_t memsize;
608 {
609 	bus_addr_t memaddr;
610 	bus_space_handle_t temph;
611 	int sparse, haves, haved;
612 
613 #ifdef EXTENT_DEBUG
614 	printf("mem: freeing handle 0x%lx for 0x%lx\n", memh, memsize);
615 #endif
616 
617 	/*
618 	 * Find out what space we're in.
619 	 */
620 	sparse = ((memh >> 63) == 0);
621 
622 	/*
623 	 * Find out what address we're in in that space.
624 	 */
625 	haves = haved = 0;
626 	if (sparse)
627 		haves = __C(CHIP,_xlate_sparse_handle_to_addr)(v, memh,
628 		    &memaddr);
629 	else
630 		haved = __C(CHIP,_xlate_dense_handle_to_addr)(v, memh,
631 		    &memaddr);
632 
633 	if (!haves && !haved)
634 		panic("%s: couldn't get addr from %s handle 0x%lx",
635 		    __S(__C(CHIP,_mem_unmap)), sparse ? "sparse" : "dense",
636 		    memh);
637 
638 	/*
639 	 * Find out were/if that address lives in the other space.
640 	 */
641 	if (sparse)
642 		haved = __C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr,
643 		    &temph);
644 	else
645 		haves = __C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr,
646 		    &temph);
647 
648 	/*
649 	 * Free any ranges we have.
650 	 */
651 #ifdef EXTENT_DEBUG
652 	printf("mem: it's at 0x%lx (%sdense, %ssparse)\n", memaddr,
653 	    haved ? "" : "not ", haves ? "" : "not ");
654 #endif
655 	if (haved && extent_free(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
656 	    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
657 		printf("%s: WARNING: couldn't free dense 0x%lx-0x%lx\n",
658 		    __S(__C(CHIP,_mem_map)), memaddr,
659 		    memaddr + memsize - 1);
660 	}
661 	if (haves && extent_free(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
662 	    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
663 		printf("%s: WARNING: couldn't free sparse 0x%lx-0x%lx\n",
664 		    __S(__C(CHIP,_mem_map)), memaddr,
665 		    memaddr + memsize - 1);
666 	}
667 }
668 
669 int
670 __C(CHIP,_mem_subregion)(v, memh, offset, size, nmemh)
671 	void *v;
672 	bus_space_handle_t memh, *nmemh;
673 	bus_size_t offset, size;
674 {
675 
676 	*nmemh = memh + offset;
677 	return (0);
678 }
679 
680 int
681 __C(CHIP,_mem_alloc)(v, rstart, rend, size, align, boundary, flags,
682     addrp, bshp)
683 	void *v;
684 	bus_addr_t rstart, rend, *addrp;
685 	bus_size_t size, align, boundary;
686 	int flags;
687 	bus_space_handle_t *bshp;
688 {
689 
690 	/* XXX XXX XXX XXX XXX XXX */
691 	panic("%s not implemented", __S(__C(CHIP,_mem_alloc)));
692 }
693 
694 void
695 __C(CHIP,_mem_free)(v, bsh, size)
696 	void *v;
697 	bus_space_handle_t bsh;
698 	bus_size_t size;
699 {
700 
701 	/* XXX XXX XXX XXX XXX XXX */
702 	panic("%s not implemented", __S(__C(CHIP,_mem_free)));
703 }
704 
705 void *
706 __C(CHIP,_mem_vaddr)(v, bsh)
707 	void *v;
708 	bus_space_handle_t bsh;
709 {
710 	/*
711 	 * XXX should check that the range was mapped
712 	 * with BUS_SPACE_MAP_LINEAR for sanity
713 	 */
714 	if ((bsh >> 63) != 0)
715 		return ((void *)bsh);
716 
717 	return (0);
718 }
719 
720 inline void
721 __C(CHIP,_mem_barrier)(v, h, o, l, f)
722 	void *v;
723 	bus_space_handle_t h;
724 	bus_size_t o, l;
725 	int f;
726 {
727 
728 	if ((f & BUS_SPACE_BARRIER_READ) != 0)
729 		alpha_mb();
730 	else if ((f & BUS_SPACE_BARRIER_WRITE) != 0)
731 		alpha_wmb();
732 }
733 
734 inline u_int8_t
735 __C(CHIP,_mem_read_1)(v, memh, off)
736 	void *v;
737 	bus_space_handle_t memh;
738 	bus_size_t off;
739 {
740 	register bus_space_handle_t tmpmemh;
741 	register u_int32_t *port, val;
742 	register u_int8_t rval;
743 	register int offset;
744 
745 	alpha_mb();
746 
747 	if ((memh >> 63) != 0)
748 		return (*(u_int8_t *)(memh + off));
749 
750 	tmpmemh = memh + off;
751 	offset = tmpmemh & 3;
752 	port = (u_int32_t *)((tmpmemh << 5) | (0 << 3));
753 	val = *port;
754 	rval = ((val) >> (8 * offset)) & 0xff;
755 
756 	return rval;
757 }
758 
759 inline u_int16_t
760 __C(CHIP,_mem_read_2)(v, memh, off)
761 	void *v;
762 	bus_space_handle_t memh;
763 	bus_size_t off;
764 {
765 	register bus_space_handle_t tmpmemh;
766 	register u_int32_t *port, val;
767 	register u_int16_t rval;
768 	register int offset;
769 
770 	alpha_mb();
771 
772 	if ((memh >> 63) != 0)
773 		return (*(u_int16_t *)(memh + off));
774 
775 	tmpmemh = memh + off;
776 	offset = tmpmemh & 3;
777 	port = (u_int32_t *)((tmpmemh << 5) | (1 << 3));
778 	val = *port;
779 	rval = ((val) >> (8 * offset)) & 0xffff;
780 
781 	return rval;
782 }
783 
784 inline u_int32_t
785 __C(CHIP,_mem_read_4)(v, memh, off)
786 	void *v;
787 	bus_space_handle_t memh;
788 	bus_size_t off;
789 {
790 	register bus_space_handle_t tmpmemh;
791 	register u_int32_t *port, val;
792 	register u_int32_t rval;
793 	register int offset;
794 
795 	alpha_mb();
796 
797 	if ((memh >> 63) != 0)
798 		return (*(u_int32_t *)(memh + off));
799 
800 	tmpmemh = memh + off;
801 	offset = tmpmemh & 3;
802 	port = (u_int32_t *)((tmpmemh << 5) | (3 << 3));
803 	val = *port;
804 #if 0
805 	rval = ((val) >> (8 * offset)) & 0xffffffff;
806 #else
807 	rval = val;
808 #endif
809 
810 	return rval;
811 }
812 
813 inline u_int64_t
814 __C(CHIP,_mem_read_8)(v, memh, off)
815 	void *v;
816 	bus_space_handle_t memh;
817 	bus_size_t off;
818 {
819 
820 	alpha_mb();
821 
822         if ((memh >> 63) != 0)
823                 return (*(u_int64_t *)(memh + off));
824 
825 	/* XXX XXX XXX */
826 	panic("%s not implemented", __S(__C(CHIP,_mem_read_8)));
827 }
828 
829 #define CHIP_mem_read_multi_N(BYTES,TYPE)				\
830 void									\
831 __C(__C(CHIP,_mem_read_multi_),BYTES)(v, h, o, a, c)			\
832 	void *v;							\
833 	bus_space_handle_t h;						\
834 	bus_size_t o, c;						\
835 	TYPE *a;							\
836 {									\
837 									\
838 	while (c-- > 0) {						\
839 		__C(CHIP,_mem_barrier)(v, h, o, sizeof *a,		\
840 		    BUS_SPACE_BARRIER_READ);				\
841 		*a++ = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o);	\
842 	}								\
843 }
844 CHIP_mem_read_multi_N(1,u_int8_t)
845 CHIP_mem_read_multi_N(2,u_int16_t)
846 CHIP_mem_read_multi_N(4,u_int32_t)
847 CHIP_mem_read_multi_N(8,u_int64_t)
848 
849 #define CHIP_mem_read_region_N(BYTES,TYPE)				\
850 void									\
851 __C(__C(CHIP,_mem_read_region_),BYTES)(v, h, o, a, c)			\
852 	void *v;							\
853 	bus_space_handle_t h;						\
854 	bus_size_t o, c;						\
855 	TYPE *a;							\
856 {									\
857 									\
858 	while (c-- > 0) {						\
859 		*a++ = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o);	\
860 		o += sizeof *a;						\
861 	}								\
862 }
863 CHIP_mem_read_region_N(1,u_int8_t)
864 CHIP_mem_read_region_N(2,u_int16_t)
865 CHIP_mem_read_region_N(4,u_int32_t)
866 CHIP_mem_read_region_N(8,u_int64_t)
867 
868 inline void
869 __C(CHIP,_mem_write_1)(v, memh, off, val)
870 	void *v;
871 	bus_space_handle_t memh;
872 	bus_size_t off;
873 	u_int8_t val;
874 {
875 	register bus_space_handle_t tmpmemh;
876 	register u_int32_t *port, nval;
877 	register int offset;
878 
879 	if ((memh >> 63) != 0)
880 		(*(u_int8_t *)(memh + off)) = val;
881 	else {
882 		tmpmemh = memh + off;
883 		offset = tmpmemh & 3;
884 		nval = val << (8 * offset);
885 		port = (u_int32_t *)((tmpmemh << 5) | (0 << 3));
886 		*port = nval;
887 	}
888         alpha_mb();
889 }
890 
891 inline void
892 __C(CHIP,_mem_write_2)(v, memh, off, val)
893 	void *v;
894 	bus_space_handle_t memh;
895 	bus_size_t off;
896 	u_int16_t val;
897 {
898 	register bus_space_handle_t tmpmemh;
899 	register u_int32_t *port, nval;
900 	register int offset;
901 
902 	if ((memh >> 63) != 0)
903 		(*(u_int16_t *)(memh + off)) = val;
904 	else {
905 		tmpmemh = memh + off;
906 		offset = tmpmemh & 3;
907 	        nval = val << (8 * offset);
908 	        port = (u_int32_t *)((tmpmemh << 5) | (1 << 3));
909 	        *port = nval;
910 	}
911         alpha_mb();
912 }
913 
914 inline void
915 __C(CHIP,_mem_write_4)(v, memh, off, val)
916 	void *v;
917 	bus_space_handle_t memh;
918 	bus_size_t off;
919 	u_int32_t val;
920 {
921 	register bus_space_handle_t tmpmemh;
922 	register u_int32_t *port, nval;
923 	register int offset;
924 
925 	if ((memh >> 63) != 0)
926 		(*(u_int32_t *)(memh + off)) = val;
927 	else {
928 		tmpmemh = memh + off;
929 		offset = tmpmemh & 3;
930 	        nval = val /*<< (8 * offset)*/;
931 	        port = (u_int32_t *)((tmpmemh << 5) | (3 << 3));
932 	        *port = nval;
933 	}
934         alpha_mb();
935 }
936 
937 inline void
938 __C(CHIP,_mem_write_8)(v, memh, off, val)
939 	void *v;
940 	bus_space_handle_t memh;
941 	bus_size_t off;
942 	u_int64_t val;
943 {
944 
945 	if ((memh >> 63) != 0)
946 		(*(u_int64_t *)(memh + off)) = val;
947 	else {
948 		/* XXX XXX XXX */
949 		panic("%s not implemented",
950 		    __S(__C(CHIP,_mem_write_8)));
951 	}
952 	alpha_mb();
953 }
954 
955 #define CHIP_mem_write_multi_N(BYTES,TYPE)				\
956 void									\
957 __C(__C(CHIP,_mem_write_multi_),BYTES)(v, h, o, a, c)			\
958 	void *v;							\
959 	bus_space_handle_t h;						\
960 	bus_size_t o, c;						\
961 	const TYPE *a;							\
962 {									\
963 									\
964 	while (c-- > 0) {						\
965 		__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, *a++);	\
966 		__C(CHIP,_mem_barrier)(v, h, o, sizeof *a,		\
967 		    BUS_SPACE_BARRIER_WRITE);				\
968 	}								\
969 }
970 CHIP_mem_write_multi_N(1,u_int8_t)
971 CHIP_mem_write_multi_N(2,u_int16_t)
972 CHIP_mem_write_multi_N(4,u_int32_t)
973 CHIP_mem_write_multi_N(8,u_int64_t)
974 
975 #define CHIP_mem_write_region_N(BYTES,TYPE)				\
976 void									\
977 __C(__C(CHIP,_mem_write_region_),BYTES)(v, h, o, a, c)			\
978 	void *v;							\
979 	bus_space_handle_t h;						\
980 	bus_size_t o, c;						\
981 	const TYPE *a;							\
982 {									\
983 									\
984 	while (c-- > 0) {						\
985 		__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, *a++);	\
986 		o += sizeof *a;						\
987 	}								\
988 }
989 CHIP_mem_write_region_N(1,u_int8_t)
990 CHIP_mem_write_region_N(2,u_int16_t)
991 CHIP_mem_write_region_N(4,u_int32_t)
992 CHIP_mem_write_region_N(8,u_int64_t)
993 
994 #define CHIP_mem_set_multi_N(BYTES,TYPE)				\
995 void									\
996 __C(__C(CHIP,_mem_set_multi_),BYTES)(v, h, o, val, c)			\
997 	void *v;							\
998 	bus_space_handle_t h;						\
999 	bus_size_t o, c;						\
1000 	TYPE val;							\
1001 {									\
1002 									\
1003 	while (c-- > 0) {						\
1004 		__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, val);		\
1005 		__C(CHIP,_mem_barrier)(v, h, o, sizeof val,		\
1006 		    BUS_SPACE_BARRIER_WRITE);				\
1007 	}								\
1008 }
1009 CHIP_mem_set_multi_N(1,u_int8_t)
1010 CHIP_mem_set_multi_N(2,u_int16_t)
1011 CHIP_mem_set_multi_N(4,u_int32_t)
1012 CHIP_mem_set_multi_N(8,u_int64_t)
1013 
1014 #define CHIP_mem_set_region_N(BYTES,TYPE)				\
1015 void									\
1016 __C(__C(CHIP,_mem_set_region_),BYTES)(v, h, o, val, c)			\
1017 	void *v;							\
1018 	bus_space_handle_t h;						\
1019 	bus_size_t o, c;						\
1020 	TYPE val;							\
1021 {									\
1022 									\
1023 	while (c-- > 0) {						\
1024 		__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, val);		\
1025 		o += sizeof val;					\
1026 	}								\
1027 }
1028 CHIP_mem_set_region_N(1,u_int8_t)
1029 CHIP_mem_set_region_N(2,u_int16_t)
1030 CHIP_mem_set_region_N(4,u_int32_t)
1031 CHIP_mem_set_region_N(8,u_int64_t)
1032 
1033 #define	CHIP_mem_copy_N(BYTES)						\
1034 void									\
1035 __C(__C(CHIP,_mem_copy_),BYTES)(v, h1, o1, h2, o2, c)			\
1036 	void *v;							\
1037 	bus_space_handle_t h1, h2;					\
1038 	bus_size_t o1, o2, c;						\
1039 {									\
1040 	bus_size_t i, o;						\
1041 									\
1042 	if ((h1 >> 63) != 0 && (h2 >> 63) != 0) {			\
1043 		bcopy((void *)(h1 + o1), (void *)(h2 + o2), c * BYTES);	\
1044 		return;							\
1045 	}								\
1046 									\
1047 	/* Circumvent a common case of overlapping problems */		\
1048 	if (h1 == h2 && o2 > o1)					\
1049 		for (i = 0, o = (c - 1) * BYTES; i < c; i++, o -= BYTES)\
1050 			__C(__C(CHIP,_mem_write_),BYTES)(v, h2, o2 + o,	\
1051 			    __C(__C(CHIP,_mem_read_),BYTES)(v, h1, o1 + o));\
1052 	else								\
1053 		for (i = 0, o = 0; i < c; i++, o += BYTES)		\
1054 			__C(__C(CHIP,_mem_write_),BYTES)(v, h2, o2 + o,	\
1055 			    __C(__C(CHIP,_mem_read_),BYTES)(v, h1, o1 + o));\
1056 }
1057 CHIP_mem_copy_N(1)
1058 CHIP_mem_copy_N(2)
1059 CHIP_mem_copy_N(4)
1060 CHIP_mem_copy_N(8)
1061 
1062 #define CHIP_mem_read_raw_multi_N(BYTES,TYPE)				\
1063 void									\
1064 __C(__C(CHIP,_mem_read_raw_multi_),BYTES)(v, h, o, a, c)			\
1065 	void *v;							\
1066 	bus_space_handle_t h;						\
1067 	bus_size_t o, c;						\
1068 	u_int8_t *a;							\
1069 {									\
1070 	TYPE temp;							\
1071 	int i;								\
1072 									\
1073 	while (c > 0) {							\
1074 		__C(CHIP,_mem_barrier)(v, h, o, BYTES,			\
1075 		    BUS_SPACE_BARRIER_READ);				\
1076 		temp = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o);	\
1077 		i = MIN(c, BYTES);					\
1078 		c -= i;							\
1079 		while (i--) {						\
1080 			*a++ = temp & 0xff;				\
1081 			temp >>= 8;					\
1082 		}							\
1083 	}								\
1084 }
1085 CHIP_mem_read_raw_multi_N(2,u_int16_t)
1086 CHIP_mem_read_raw_multi_N(4,u_int32_t)
1087 CHIP_mem_read_raw_multi_N(8,u_int64_t)
1088 
1089 #define CHIP_mem_write_raw_multi_N(BYTES,TYPE)				\
1090 void									\
1091 __C(__C(CHIP,_mem_write_raw_multi_),BYTES)(v, h, o, a, c)		\
1092 	void *v;							\
1093 	bus_space_handle_t h;						\
1094 	bus_size_t o, c;						\
1095 	const u_int8_t *a;						\
1096 {									\
1097 	TYPE temp;							\
1098 	int i;								\
1099 									\
1100 	while (c > 0) {							\
1101 		temp = 0;						\
1102 		for (i = BYTES - 1; i >= 0; i--) {			\
1103 			temp <<= 8;					\
1104 			if (i < c)					\
1105 				temp |= *(a + i);			\
1106 		}							\
1107 		__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, temp);	\
1108 		__C(CHIP,_mem_barrier)(v, h, o, BYTES,			\
1109 		    BUS_SPACE_BARRIER_WRITE);				\
1110 		i = MIN(c, BYTES);					\
1111 		c -= i;							\
1112 		a += i;							\
1113 	}								\
1114 }
1115 CHIP_mem_write_raw_multi_N(2,u_int16_t)
1116 CHIP_mem_write_raw_multi_N(4,u_int32_t)
1117 CHIP_mem_write_raw_multi_N(8,u_int64_t)
1118