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[rdc] forward port r18254 to 2.6.30
[openwrt.git] / target / linux / coldfire / patches / 003-mcfv4e_coldfire_headers2.patch
1 From 3da86cd2810e9ba4e4a9e7471a92025172c1c990 Mon Sep 17 00:00:00 2001
2 From: Kurt Mahan <kmahan@freescale.com>
3 Date: Wed, 31 Oct 2007 16:41:41 -0600
4 Subject: [PATCH] Add Coldfire specific header files.
5
6 LTIBName: mcfv4e-coldfire-headers2
7 Signed-off-by: Kurt Mahan <kmahan@freescale.com>
8 ---
9 include/asm-m68k/cf_cacheflush.h | 160 ++++++++++++++++
10 include/asm-m68k/cf_entry.h | 146 +++++++++++++++
11 include/asm-m68k/cf_pgalloc.h | 99 ++++++++++
12 include/asm-m68k/cf_pgtable.h | 357 ++++++++++++++++++++++++++++++++++++
13 include/asm-m68k/cf_tlbflush.h | 59 ++++++
14 include/asm-m68k/cf_uaccess.h | 376 ++++++++++++++++++++++++++++++++++++++
15 include/asm-m68k/cfcache.h | 86 +++++++++
16 include/asm-m68k/cfmmu.h | 104 +++++++++++
17 include/asm-m68k/coldfire.h | 38 ++++
18 include/asm-m68k/coldfire_edma.h | 39 ++++
19 include/asm-m68k/mcfqspi.h | 50 +++++
20 include/asm-m68k/mcfsim.h | 96 ++++++++++
21 include/asm-m68k/mcfuart.h | 180 ++++++++++++++++++
22 13 files changed, 1790 insertions(+), 0 deletions(-)
23 create mode 100644 include/asm-m68k/cf_cacheflush.h
24 create mode 100644 include/asm-m68k/cf_entry.h
25 create mode 100644 include/asm-m68k/cf_pgalloc.h
26 create mode 100644 include/asm-m68k/cf_pgtable.h
27 create mode 100644 include/asm-m68k/cf_tlbflush.h
28 create mode 100644 include/asm-m68k/cf_uaccess.h
29 create mode 100644 include/asm-m68k/cfcache.h
30 create mode 100644 include/asm-m68k/cfmmu.h
31 create mode 100644 include/asm-m68k/coldfire.h
32 create mode 100644 include/asm-m68k/coldfire_edma.h
33 create mode 100644 include/asm-m68k/mcfqspi.h
34 create mode 100644 include/asm-m68k/mcfsim.h
35 create mode 100644 include/asm-m68k/mcfuart.h
36
37 --- /dev/null
38 +++ b/include/asm-m68k/cf_cacheflush.h
39 @@ -0,0 +1,160 @@
40 +#ifndef M68K_CF_CACHEFLUSH_H
41 +#define M68K_CF_CACHEFLUSH_H
42 +
43 +#include <asm/cfcache.h>
44 +
45 +/*
46 + * Cache handling functions
47 + */
48 +
49 +#define flush_icache() \
50 +({ \
51 + unsigned long set; \
52 + unsigned long start_set; \
53 + unsigned long end_set; \
54 + \
55 + start_set = 0; \
56 + end_set = (unsigned long)LAST_DCACHE_ADDR; \
57 + \
58 + for (set = start_set; set <= end_set; set += (0x10 - 3)) \
59 + asm volatile("cpushl %%ic,(%0)\n" \
60 + "\taddq%.l #1,%0\n" \
61 + "\tcpushl %%ic,(%0)\n" \
62 + "\taddq%.l #1,%0\n" \
63 + "\tcpushl %%ic,(%0)\n" \
64 + "\taddq%.l #1,%0\n" \
65 + "\tcpushl %%ic,(%0)" : : "a" (set)); \
66 +})
67 +
68 +/*
69 + * invalidate the cache for the specified memory range.
70 + * It starts at the physical address specified for
71 + * the given number of bytes.
72 + */
73 +extern void cache_clear(unsigned long paddr, int len);
74 +/*
75 + * push any dirty cache in the specified memory range.
76 + * It starts at the physical address specified for
77 + * the given number of bytes.
78 + */
79 +extern void cache_push(unsigned long paddr, int len);
80 +
81 +/*
82 + * push and invalidate pages in the specified user virtual
83 + * memory range.
84 + */
85 +extern void cache_push_v(unsigned long vaddr, int len);
86 +
87 +/* This is needed whenever the virtual mapping of the current
88 + process changes. */
89 +
90 +
91 +#define flush_cache_all() do { } while (0)
92 +#define flush_cache_mm(mm) do { } while (0)
93 +#define flush_cache_range(mm, a, b) do { } while (0)
94 +#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
95 +
96 +#define flush_dcache_range(paddr, len) do { } while (0)
97 +
98 +/* Push the page at kernel virtual address and clear the icache */
99 +/* use cpush %bc instead of cpush %dc, cinv %ic */
100 +#define flush_page_to_ram(page) __flush_page_to_ram((void *) page_address(page))
101 +extern inline void __flush_page_to_ram(void *address)
102 +{
103 + unsigned long set;
104 + unsigned long start_set;
105 + unsigned long end_set;
106 + unsigned long addr = (unsigned long) address;
107 +
108 + addr &= ~(PAGE_SIZE - 1); /* round down to page start address */
109 +
110 + start_set = addr & _ICACHE_SET_MASK;
111 + end_set = (addr + PAGE_SIZE-1) & _ICACHE_SET_MASK;
112 +
113 + if (start_set > end_set) {
114 + /* from the begining to the lowest address */
115 + for (set = 0; set <= end_set; set += (0x10 - 3))
116 + asm volatile("cpushl %%bc,(%0)\n"
117 + "\taddq%.l #1,%0\n"
118 + "\tcpushl %%bc,(%0)\n"
119 + "\taddq%.l #1,%0\n"
120 + "\tcpushl %%bc,(%0)\n"
121 + "\taddq%.l #1,%0\n"
122 + "\tcpushl %%bc,(%0)" : : "a" (set));
123 +
124 + /* next loop will finish the cache ie pass the hole */
125 + end_set = LAST_ICACHE_ADDR;
126 + }
127 + for (set = start_set; set <= end_set; set += (0x10 - 3))
128 + asm volatile("cpushl %%bc,(%0)\n"
129 + "\taddq%.l #1,%0\n"
130 + "\tcpushl %%bc,(%0)\n"
131 + "\taddq%.l #1,%0\n"
132 + "\tcpushl %%bc,(%0)\n"
133 + "\taddq%.l #1,%0\n"
134 + "\tcpushl %%bc,(%0)" : : "a" (set));
135 +}
136 +
137 +#define flush_dcache_page(page) do { } while (0)
138 +#define flush_icache_page(vma, pg) do { } while (0)
139 +#define flush_icache_user_range(adr, len) do { } while (0)
140 +/* NL */
141 +#define flush_icache_user_page(vma, page, addr, len) do { } while (0)
142 +
143 +/* Push n pages at kernel virtual address and clear the icache */
144 +/* use cpush %bc instead of cpush %dc, cinv %ic */
145 +extern inline void flush_icache_range(unsigned long address,
146 + unsigned long endaddr)
147 +{
148 + unsigned long set;
149 + unsigned long start_set;
150 + unsigned long end_set;
151 +
152 + start_set = address & _ICACHE_SET_MASK;
153 + end_set = endaddr & _ICACHE_SET_MASK;
154 +
155 + if (start_set > end_set) {
156 + /* from the begining to the lowest address */
157 + for (set = 0; set <= end_set; set += (0x10 - 3))
158 + asm volatile("cpushl %%ic,(%0)\n"
159 + "\taddq%.l #1,%0\n"
160 + "\tcpushl %%ic,(%0)\n"
161 + "\taddq%.l #1,%0\n"
162 + "\tcpushl %%ic,(%0)\n"
163 + "\taddq%.l #1,%0\n"
164 + "\tcpushl %%ic,(%0)" : : "a" (set));
165 +
166 + /* next loop will finish the cache ie pass the hole */
167 + end_set = LAST_ICACHE_ADDR;
168 + }
169 + for (set = start_set; set <= end_set; set += (0x10 - 3))
170 + asm volatile("cpushl %%ic,(%0)\n"
171 + "\taddq%.l #1,%0\n"
172 + "\tcpushl %%ic,(%0)\n"
173 + "\taddq%.l #1,%0\n"
174 + "\tcpushl %%ic,(%0)\n"
175 + "\taddq%.l #1,%0\n"
176 + "\tcpushl %%ic,(%0)" : : "a" (set));
177 +}
178 +
179 +static inline void copy_to_user_page(struct vm_area_struct *vma,
180 + struct page *page, unsigned long vaddr,
181 + void *dst, void *src, int len)
182 +{
183 + memcpy(dst, src, len);
184 + flush_icache_user_page(vma, page, vaddr, len);
185 +}
186 +static inline void copy_from_user_page(struct vm_area_struct *vma,
187 + struct page *page, unsigned long vaddr,
188 + void *dst, void *src, int len)
189 +{
190 + memcpy(dst, src, len);
191 +}
192 +
193 +#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
194 +#define flush_cache_vmap(start, end) flush_cache_all()
195 +#define flush_cache_vunmap(start, end) flush_cache_all()
196 +#define flush_dcache_mmap_lock(mapping) do { } while (0)
197 +#define flush_dcache_mmap_unlock(mapping) do { } while (0)
198 +
199 +#endif /* M68K_CF_CACHEFLUSH_H */
200 --- /dev/null
201 +++ b/include/asm-m68k/cf_entry.h
202 @@ -0,0 +1,146 @@
203 +#ifndef __CF_M68K_ENTRY_H
204 +#define __CF_M68K_ENTRY_H
205 +
206 +#include <asm/setup.h>
207 +#include <asm/page.h>
208 +#include <asm/coldfire.h>
209 +#include <asm/cfmmu.h>
210 +#include <asm/asm-offsets.h>
211 +
212 +/*
213 + * Stack layout in 'ret_from_exception':
214 + *
215 + * This allows access to the syscall arguments in registers d1-d5
216 + *
217 + * 0(sp) - d1
218 + * 4(sp) - d2
219 + * 8(sp) - d3
220 + * C(sp) - d4
221 + * 10(sp) - d5
222 + * 14(sp) - a0
223 + * 18(sp) - a1
224 + * 1C(sp) - a2
225 + * 20(sp) - d0
226 + * 24(sp) - orig_d0
227 + * 28(sp) - stack adjustment
228 + * 2C(sp) - sr
229 + * 2E(sp) - pc
230 + * 32(sp) - format & vector
231 + * 36(sp) - MMUSR
232 + * 3A(sp) - MMUAR
233 + */
234 +
235 +/*
236 + * 97/05/14 Andreas: Register %a2 is now set to the current task throughout
237 + * the whole kernel.
238 + */
239 +
240 +/* the following macro is used when enabling interrupts */
241 +/* portable version */
242 +#define ALLOWINT (~0x700)
243 +#define MAX_NOINT_IPL 0
244 +
245 +#ifdef __ASSEMBLY__
246 +
247 +#define curptr a2
248 +
249 +LFLUSH_I_AND_D = 0x00000808
250 +LSIGTRAP = 5
251 +
252 +/* process bits for task_struct.ptrace */
253 +PT_TRACESYS_OFF = 3
254 +PT_TRACESYS_BIT = 1
255 +PT_PTRACED_OFF = 3
256 +PT_PTRACED_BIT = 0
257 +PT_DTRACE_OFF = 3
258 +PT_DTRACE_BIT = 2
259 +
260 +#define SAVE_ALL_INT save_all_int
261 +#define SAVE_ALL_SYS save_all_sys
262 +#define RESTORE_ALL restore_all
263 +/*
264 + * This defines the normal kernel pt-regs layout.
265 + *
266 + * regs a3-a6 and d6-d7 are preserved by C code
267 + * the kernel doesn't mess with usp unless it needs to
268 + */
269 +
270 +/*
271 + * a -1 in the orig_d0 field signifies
272 + * that the stack frame is NOT for syscall
273 + */
274 +.macro save_all_int
275 + movel MMUSR,%sp@-
276 + movel MMUAR,%sp@-
277 + clrl %sp@- | stk_adj
278 + pea -1:w | orig d0
279 + movel %d0,%sp@- | d0
280 + subal #(8*4), %sp
281 + moveml %d1-%d5/%a0-%a1/%curptr,%sp@
282 +.endm
283 +
284 +.macro save_all_sys
285 + movel MMUSR,%sp@-
286 + movel MMUAR,%sp@-
287 + clrl %sp@- | stk_adj
288 + movel %d0,%sp@- | orig d0
289 + movel %d0,%sp@- | d0
290 + subal #(8*4), %sp
291 + moveml %d1-%d5/%a0-%a1/%curptr,%sp@
292 +.endm
293 +
294 +.macro restore_all
295 + moveml %sp@,%a0-%a1/%curptr/%d1-%d5
296 + addal #(8*4), %sp
297 + movel %sp@+,%d0 | d0
298 + addql #4,%sp | orig d0
299 + addl %sp@+,%sp | stk_adj
300 + addql #8,%sp | MMUAR & MMUSR
301 + rte
302 +.endm
303 +
304 +#define SWITCH_STACK_SIZE (6*4+4) /* includes return address */
305 +
306 +#define SAVE_SWITCH_STACK save_switch_stack
307 +#define RESTORE_SWITCH_STACK restore_switch_stack
308 +#define GET_CURRENT(tmp) get_current tmp
309 +
310 +.macro save_switch_stack
311 + subal #(6*4), %sp
312 + moveml %a3-%a6/%d6-%d7,%sp@
313 +.endm
314 +
315 +.macro restore_switch_stack
316 + moveml %sp@,%a3-%a6/%d6-%d7
317 + addal #(6*4), %sp
318 +.endm
319 +
320 +.macro get_current reg=%d0
321 + movel %sp,\reg
322 + andl #-THREAD_SIZE,\reg
323 + movel \reg,%curptr
324 + movel %curptr@,%curptr
325 +.endm
326 +
327 +#else /* C source */
328 +
329 +#define STR(X) STR1(X)
330 +#define STR1(X) #X
331 +
332 +#define PT_OFF_ORIG_D0 0x24
333 +#define PT_OFF_FORMATVEC 0x32
334 +#define PT_OFF_SR 0x2C
335 +#define SAVE_ALL_INT \
336 + "clrl %%sp@-;" /* stk_adj */ \
337 + "pea -1:w;" /* orig d0 = -1 */ \
338 + "movel %%d0,%%sp@-;" /* d0 */ \
339 + "subal #(8*4),%sp" \
340 + "moveml %%d1-%%d5/%%a0-%%a2,%%sp@"
341 +#define GET_CURRENT(tmp) \
342 + "movel %%sp,"#tmp"\n\t" \
343 + "andw #-"STR(THREAD_SIZE)","#tmp"\n\t" \
344 + "movel "#tmp",%%a2\n\t"
345 +
346 +#endif
347 +
348 +#endif /* __CF_M68K_ENTRY_H */
349 --- /dev/null
350 +++ b/include/asm-m68k/cf_pgalloc.h
351 @@ -0,0 +1,99 @@
352 +#ifndef M68K_CF_PGALLOC_H
353 +#define M68K_CF_PGALLOC_H
354 +
355 +#include <asm/coldfire.h>
356 +#include <asm/page.h>
357 +#include <asm/cf_tlbflush.h>
358 +
359 +extern inline void pte_free_kernel(pte_t *pte)
360 +{
361 + free_page((unsigned long) pte);
362 +}
363 +
364 +extern const char bad_pmd_string[];
365 +
366 +extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
367 + unsigned long address)
368 +{
369 + unsigned long page = __get_free_page(GFP_DMA|__GFP_REPEAT);
370 +
371 + if (!page)
372 + return NULL;
373 +
374 + memset((void *)page, 0, PAGE_SIZE);
375 + return (pte_t *) (page);
376 +}
377 +
378 +extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
379 +{
380 + return (pmd_t *) pgd;
381 +}
382 +
383 +#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
384 +#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
385 +
386 +#define pte_alloc_one_fast(mm, addr) pte_alloc_one(mm, addr)
387 +
388 +#define pmd_populate(mm, pmd, page) (pmd_val(*pmd) = \
389 + (unsigned long)(page_address(page)))
390 +#define pmd_populate_kernel(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte))
391 +
392 +static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *page)
393 +{
394 + __free_page(page);
395 +}
396 +
397 +#define __pmd_free_tlb(tlb, pmd) do { } while (0)
398 +
399 +static inline struct page *pte_alloc_one(struct mm_struct *mm,
400 + unsigned long address)
401 +{
402 + struct page *page = alloc_pages(GFP_DMA|__GFP_REPEAT, 0);
403 + pte_t *pte;
404 +
405 + if (!page)
406 + return NULL;
407 +
408 + pte = kmap(page);
409 + if (pte) {
410 + clear_page(pte);
411 + __flush_page_to_ram(pte);
412 + flush_tlb_kernel_page(pte);
413 + nocache_page(pte);
414 + }
415 + kunmap(pte);
416 +
417 + return page;
418 +}
419 +
420 +extern inline void pte_free(struct page *page)
421 +{
422 + __free_page(page);
423 +}
424 +
425 +/*
426 + * In our implementation, each pgd entry contains 1 pmd that is never allocated
427 + * or freed. pgd_present is always 1, so this should never be called. -NL
428 + */
429 +#define pmd_free(pmd) BUG()
430 +
431 +extern inline void pgd_free(pgd_t *pgd)
432 +{
433 + free_page((unsigned long) pgd);
434 +}
435 +
436 +extern inline pgd_t *pgd_alloc(struct mm_struct *mm)
437 +{
438 + pgd_t *new_pgd;
439 +
440 + new_pgd = (pgd_t *)__get_free_page(GFP_DMA | __GFP_NOWARN);
441 + if (!new_pgd)
442 + return NULL;
443 + memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
444 + memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT);
445 + return new_pgd;
446 +}
447 +
448 +#define pgd_populate(mm, pmd, pte) BUG()
449 +
450 +#endif /* M68K_CF_PGALLOC_H */
451 --- /dev/null
452 +++ b/include/asm-m68k/cf_pgtable.h
453 @@ -0,0 +1,357 @@
454 +#ifndef _CF_PGTABLE_H
455 +#define _CF_PGTABLE_H
456 +
457 +#include <asm/cfmmu.h>
458 +#include <asm/page.h>
459 +
460 +#ifndef __ASSEMBLY__
461 +#include <asm/virtconvert.h>
462 +#include <linux/linkage.h>
463 +
464 +/* For virtual address to physical address conversion */
465 +#define VTOP(addr) __pa(addr)
466 +#define PTOV(addr) __va(addr)
467 +
468 +
469 +#endif /* !__ASSEMBLY__ */
470 +
471 +/* Page protection values within PTE. */
472 +
473 +/* MMUDR bits, in proper place. */
474 +#define CF_PAGE_LOCKED (0x00000002)
475 +#define CF_PAGE_EXEC (0x00000004)
476 +#define CF_PAGE_WRITABLE (0x00000008)
477 +#define CF_PAGE_READABLE (0x00000010)
478 +#define CF_PAGE_SYSTEM (0x00000020)
479 +#define CF_PAGE_COPYBACK (0x00000040)
480 +#define CF_PAGE_NOCACHE (0x00000080)
481 +
482 +#define CF_CACHEMASK (~0x00000040)
483 +#define CF_PAGE_MMUDR_MASK (0x000000fe)
484 +
485 +#define _PAGE_NOCACHE030 (CF_PAGE_NOCACHE)
486 +
487 +/* MMUTR bits, need shifting down. */
488 +#define CF_PAGE_VALID (0x00000400)
489 +#define CF_PAGE_SHARED (0x00000800)
490 +
491 +#define CF_PAGE_MMUTR_MASK (0x00000c00)
492 +#define CF_PAGE_MMUTR_SHIFT (10)
493 +#define CF_ASID_MMU_SHIFT (2)
494 +
495 +/* Fake bits, not implemented in CF, will get masked out before
496 + hitting hardware, and might go away altogether once this port is
497 + complete. */
498 +#if PAGE_SHIFT < 13
499 +#error COLDFIRE Error: Pages must be at least 8k in size
500 +#endif
501 +#define CF_PAGE_ACCESSED (0x00001000)
502 +#define CF_PAGE_FILE (0x00000200)
503 +#define CF_PAGE_DIRTY (0x00000001)
504 +
505 +#define _PAGE_CACHE040 0x020 /* 68040 cache mode, cachable, copyback */
506 +#define _PAGE_NOCACHE_S 0x040 /* 68040 no-cache mode, serialized */
507 +#define _PAGE_NOCACHE 0x060 /* 68040 cache mode, non-serialized */
508 +#define _PAGE_CACHE040W 0x000 /* 68040 cache mode, cachable, write-through */
509 +#define _DESCTYPE_MASK 0x003
510 +#define _CACHEMASK040 (~0x060)
511 +#define _PAGE_GLOBAL040 0x400 /* 68040 global bit, used for kva descs */
512 +
513 +
514 +/* Externally used page protection values. */
515 +#define _PAGE_PRESENT (CF_PAGE_VALID)
516 +#define _PAGE_ACCESSED (CF_PAGE_ACCESSED)
517 +#define _PAGE_DIRTY (CF_PAGE_DIRTY)
518 +#define _PAGE_READWRITE (CF_PAGE_WRITABLE \
519 + | CF_PAGE_READABLE \
520 + | CF_PAGE_SYSTEM \
521 + | CF_PAGE_SHARED)
522 +
523 +/* Compound page protection values. */
524 +#define PAGE_NONE __pgprot(CF_PAGE_VALID \
525 + | CF_PAGE_ACCESSED)
526 +
527 +#define PAGE_SHARED __pgprot(CF_PAGE_VALID \
528 + | CF_PAGE_ACCESSED \
529 + | CF_PAGE_SHARED)
530 +
531 +#define PAGE_INIT __pgprot(CF_PAGE_VALID \
532 + | CF_PAGE_WRITABLE \
533 + | CF_PAGE_READABLE \
534 + | CF_PAGE_EXEC \
535 + | CF_PAGE_SYSTEM \
536 + | CF_PAGE_SHARED)
537 +
538 +#define PAGE_KERNEL __pgprot(CF_PAGE_VALID \
539 + | CF_PAGE_WRITABLE \
540 + | CF_PAGE_READABLE \
541 + | CF_PAGE_EXEC \
542 + | CF_PAGE_SYSTEM \
543 + | CF_PAGE_SHARED \
544 + | CF_PAGE_ACCESSED)
545 +
546 +#define PAGE_COPY __pgprot(CF_PAGE_VALID \
547 + | CF_PAGE_ACCESSED \
548 + | CF_PAGE_READABLE \
549 + | CF_PAGE_DIRTY)
550 +/*
551 + * Page protections for initialising protection_map. See mm/mmap.c
552 + * for use. In general, the bit positions are xwr, and P-items are
553 + * private, the S-items are shared.
554 + */
555 +
556 +#define __P000 PAGE_NONE
557 +#define __P100 __pgprot(CF_PAGE_VALID \
558 + | CF_PAGE_ACCESSED \
559 + | CF_PAGE_EXEC)
560 +#define __P010 __pgprot(CF_PAGE_VALID \
561 + | CF_PAGE_WRITABLE \
562 + | CF_PAGE_ACCESSED)
563 +#define __P110 __pgprot(CF_PAGE_VALID \
564 + | CF_PAGE_ACCESSED \
565 + | CF_PAGE_WRITABLE \
566 + | CF_PAGE_EXEC)
567 +#define __P001 __pgprot(CF_PAGE_VALID \
568 + | CF_PAGE_ACCESSED \
569 + | CF_PAGE_READABLE)
570 +#define __P101 __pgprot(CF_PAGE_VALID \
571 + | CF_PAGE_ACCESSED \
572 + | CF_PAGE_READABLE \
573 + | CF_PAGE_EXEC)
574 +#define __P011 __pgprot(CF_PAGE_VALID \
575 + | CF_PAGE_READABLE \
576 + | CF_PAGE_WRITABLE \
577 + | CF_PAGE_ACCESSED)
578 +#define __P111 __pgprot(CF_PAGE_VALID \
579 + | CF_PAGE_ACCESSED \
580 + | CF_PAGE_WRITABLE \
581 + | CF_PAGE_READABLE \
582 + | CF_PAGE_EXEC)
583 +
584 +#define __S000 PAGE_NONE
585 +#define __S100 __pgprot(CF_PAGE_VALID \
586 + | CF_PAGE_ACCESSED \
587 + | CF_PAGE_SHARED \
588 + | CF_PAGE_EXEC)
589 +#define __S010 PAGE_SHARED
590 +#define __S110 __pgprot(CF_PAGE_VALID \
591 + | CF_PAGE_ACCESSED \
592 + | CF_PAGE_SHARED \
593 + | CF_PAGE_EXEC)
594 +#define __S001 __pgprot(CF_PAGE_VALID \
595 + | CF_PAGE_ACCESSED \
596 + | CF_PAGE_SHARED \
597 + | CF_PAGE_READABLE)
598 +#define __S101 __pgprot(CF_PAGE_VALID \
599 + | CF_PAGE_ACCESSED \
600 + | CF_PAGE_SHARED \
601 + | CF_PAGE_READABLE \
602 + | CF_PAGE_EXEC)
603 +#define __S011 __pgprot(CF_PAGE_VALID \
604 + | CF_PAGE_ACCESSED \
605 + | CF_PAGE_SHARED \
606 + | CF_PAGE_READABLE)
607 +#define __S111 __pgprot(CF_PAGE_VALID \
608 + | CF_PAGE_ACCESSED \
609 + | CF_PAGE_SHARED \
610 + | CF_PAGE_READABLE \
611 + | CF_PAGE_EXEC)
612 +
613 +#define PTE_MASK PAGE_MASK
614 +#define CF_PAGE_CHG_MASK (PTE_MASK | CF_PAGE_ACCESSED | CF_PAGE_DIRTY)
615 +
616 +#ifndef __ASSEMBLY__
617 +
618 +/*
619 + * Conversion functions: convert a page and protection to a page entry,
620 + * and a page entry and page directory to the page they refer to.
621 + */
622 +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
623 +
624 +extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
625 +{
626 + pte_val(pte) = (pte_val(pte) & CF_PAGE_CHG_MASK) | pgprot_val(newprot);
627 + return pte;
628 +}
629 +
630 +#define pmd_set(pmdp, ptep) do {} while (0)
631 +
632 +extern inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
633 +{
634 + pgd_val(*pgdp) = virt_to_phys(pmdp);
635 +}
636 +
637 +#define __pte_page(pte) \
638 + ((unsigned long) ((pte_val(pte) & CF_PAGE_PGNUM_MASK) + PAGE_OFFSET))
639 +#define __pmd_page(pmd) ((unsigned long) (pmd_val(pmd)))
640 +
641 +extern inline int pte_none(pte_t pte)
642 +{
643 + return !pte_val(pte);
644 +}
645 +extern inline int pte_present(pte_t pte)
646 +{
647 + return pte_val(pte) & CF_PAGE_VALID;
648 +}
649 +extern inline void pte_clear(struct mm_struct *mm, unsigned long addr,
650 + pte_t *ptep)
651 +{
652 + pte_val(*ptep) = 0;
653 +}
654 +
655 +#define pte_pagenr(pte) ((__pte_page(pte) - PAGE_OFFSET) >> PAGE_SHIFT)
656 +#define pte_page(pte) virt_to_page(__pte_page(pte))
657 +
658 +extern inline int pmd_none2(pmd_t *pmd) { return !pmd_val(*pmd); }
659 +#define pmd_none(pmd) pmd_none2(&(pmd))
660 +extern inline int pmd_bad2(pmd_t *pmd) { return 0; }
661 +#define pmd_bad(pmd) pmd_bad2(&(pmd))
662 +#define pmd_present(pmd) (!pmd_none2(&(pmd)))
663 +extern inline void pmd_clear(pmd_t *pmdp) { pmd_val(*pmdp) = 0; }
664 +
665 +extern inline int pgd_none(pgd_t pgd) { return 0; }
666 +extern inline int pgd_bad(pgd_t pgd) { return 0; }
667 +extern inline int pgd_present(pgd_t pgd) { return 1; }
668 +extern inline void pgd_clear(pgd_t *pgdp) {}
669 +
670 +
671 +#define pte_ERROR(e) \
672 + printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
673 + __FILE__, __LINE__, pte_val(e))
674 +#define pmd_ERROR(e) \
675 + printk(KERN_ERR "%s:%d: bad pmd %08lx.\n", \
676 + __FILE__, __LINE__, pmd_val(e))
677 +#define pgd_ERROR(e) \
678 + printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \
679 + __FILE__, __LINE__, pgd_val(e))
680 +
681 +
682 +/*
683 + * The following only work if pte_present() is true.
684 + * Undefined behaviour if not...
685 + * [we have the full set here even if they don't change from m68k]
686 + */
687 +extern inline int pte_read(pte_t pte) \
688 + { return pte_val(pte) & CF_PAGE_READABLE; }
689 +extern inline int pte_write(pte_t pte) \
690 + { return pte_val(pte) & CF_PAGE_WRITABLE; }
691 +extern inline int pte_exec(pte_t pte) \
692 + { return pte_val(pte) & CF_PAGE_EXEC; }
693 +extern inline int pte_dirty(pte_t pte) \
694 + { return pte_val(pte) & CF_PAGE_DIRTY; }
695 +extern inline int pte_young(pte_t pte) \
696 + { return pte_val(pte) & CF_PAGE_ACCESSED; }
697 +extern inline int pte_file(pte_t pte) \
698 + { return pte_val(pte) & CF_PAGE_FILE; }
699 +
700 +extern inline pte_t pte_wrprotect(pte_t pte) \
701 + { pte_val(pte) &= ~CF_PAGE_WRITABLE; return pte; }
702 +extern inline pte_t pte_rdprotect(pte_t pte) \
703 + { pte_val(pte) &= ~CF_PAGE_READABLE; return pte; }
704 +extern inline pte_t pte_exprotect(pte_t pte) \
705 + { pte_val(pte) &= ~CF_PAGE_EXEC; return pte; }
706 +extern inline pte_t pte_mkclean(pte_t pte) \
707 + { pte_val(pte) &= ~CF_PAGE_DIRTY; return pte; }
708 +extern inline pte_t pte_mkold(pte_t pte) \
709 + { pte_val(pte) &= ~CF_PAGE_ACCESSED; return pte; }
710 +extern inline pte_t pte_mkwrite(pte_t pte) \
711 + { pte_val(pte) |= CF_PAGE_WRITABLE; return pte; }
712 +extern inline pte_t pte_mkread(pte_t pte) \
713 + { pte_val(pte) |= CF_PAGE_READABLE; return pte; }
714 +extern inline pte_t pte_mkexec(pte_t pte) \
715 + { pte_val(pte) |= CF_PAGE_EXEC; return pte; }
716 +extern inline pte_t pte_mkdirty(pte_t pte) \
717 + { pte_val(pte) |= CF_PAGE_DIRTY; return pte; }
718 +extern inline pte_t pte_mkyoung(pte_t pte) \
719 + { pte_val(pte) |= CF_PAGE_ACCESSED; return pte; }
720 +extern inline pte_t pte_mknocache(pte_t pte) \
721 + { pte_val(pte) |= 0x80 | (pte_val(pte) & ~0x40); return pte; }
722 +extern inline pte_t pte_mkcache(pte_t pte) \
723 + { pte_val(pte) &= ~CF_PAGE_NOCACHE; return pte; }
724 +
725 +#define swapper_pg_dir kernel_pg_dir
726 +extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
727 +
728 +/* Find an entry in a pagetable directory. */
729 +#define pgd_index(address) ((address) >> PGDIR_SHIFT)
730 +
731 +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
732 +
733 +/* Find an entry in a kernel pagetable directory. */
734 +#define pgd_offset_k(address) pgd_offset(&init_mm, address)
735 +
736 +/* Find an entry in the second-level pagetable. */
737 +extern inline pmd_t *pmd_offset(pgd_t *pgd, unsigned long address)
738 +{
739 + return (pmd_t *) pgd;
740 +}
741 +
742 +/* Find an entry in the third-level pagetable. */
743 +#define __pte_offset(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
744 +#define pte_offset_kernel(dir, address) ((pte_t *) __pmd_page(*(dir)) + \
745 + __pte_offset(address))
746 +
747 +/* Disable caching for page at given kernel virtual address. */
748 +static inline void nocache_page(void *vaddr)
749 +{
750 + pgd_t *dir;
751 + pmd_t *pmdp;
752 + pte_t *ptep;
753 + unsigned long addr = (unsigned long)vaddr;
754 +
755 + dir = pgd_offset_k(addr);
756 + pmdp = pmd_offset(dir, addr);
757 + ptep = pte_offset_kernel(pmdp, addr);
758 + *ptep = pte_mknocache(*ptep);
759 +}
760 +
761 +/* Enable caching for page at given kernel virtual address. */
762 +static inline void cache_page(void *vaddr)
763 +{
764 + pgd_t *dir;
765 + pmd_t *pmdp;
766 + pte_t *ptep;
767 + unsigned long addr = (unsigned long)vaddr;
768 +
769 + dir = pgd_offset_k(addr);
770 + pmdp = pmd_offset(dir, addr);
771 + ptep = pte_offset_kernel(pmdp, addr);
772 + *ptep = pte_mkcache(*ptep);
773 +}
774 +
775 +#define PTE_FILE_MAX_BITS 21
776 +#define PTE_FILE_SHIFT 11
777 +
778 +static inline unsigned long pte_to_pgoff(pte_t pte)
779 +{
780 + return pte_val(pte) >> PTE_FILE_SHIFT;
781 +}
782 +
783 +static inline pte_t pgoff_to_pte(unsigned pgoff)
784 +{
785 + pte_t pte = __pte((pgoff << PTE_FILE_SHIFT) + CF_PAGE_FILE);
786 + return pte;
787 +}
788 +
789 +/* Encode and de-code a swap entry (must be !pte_none(e) && !pte_present(e)) */
790 +#define __swp_entry(type, offset) ((swp_entry_t) { (type) | \
791 + (offset << PTE_FILE_SHIFT) })
792 +#define __swp_type(x) ((x).val & 0xFF)
793 +#define __swp_offset(x) ((x).val >> PTE_FILE_SHIFT)
794 +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
795 +#define __swp_entry_to_pte(x) (__pte((x).val))
796 +
797 +#define pmd_page(pmd) virt_to_page(__pmd_page(pmd))
798 +
799 +#define pte_offset_map(pmdp, address) ((pte_t *)__pmd_page(*pmdp) + \
800 + __pte_offset(address))
801 +#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
802 +#define pte_unmap(pte) kunmap(pte)
803 +#define pte_unmap_nested(pte) kunmap(pte)
804 +
805 +#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
806 +#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
807 +
808 +
809 +#endif /* !__ASSEMBLY__ */
810 +#endif /* !_CF_PGTABLE_H */
811 --- /dev/null
812 +++ b/include/asm-m68k/cf_tlbflush.h
813 @@ -0,0 +1,59 @@
814 +#ifndef M68K_CF_TLBFLUSH_H
815 +#define M68K_CF_TLBFLUSH_H
816 +
817 +#include <asm/coldfire.h>
818 +
819 +/* Flush all userspace mappings. */
820 +static inline void flush_tlb_all(void)
821 +{
822 + preempt_disable();
823 + *MMUOR = MMUOR_CNL;
824 + preempt_enable();
825 +}
826 +
827 +/* Clear user TLB entries within the context named in mm */
828 +static inline void flush_tlb_mm(struct mm_struct *mm)
829 +{
830 + preempt_disable();
831 + *MMUOR = MMUOR_CNL;
832 + preempt_enable();
833 +}
834 +
835 +/* Flush a single TLB page. */
836 +static inline void flush_tlb_page(struct vm_area_struct *vma,
837 + unsigned long addr)
838 +{
839 + preempt_disable();
840 + *MMUOR = MMUOR_CNL;
841 + preempt_enable();
842 +}
843 +/* Flush a range of pages from TLB. */
844 +
845 +static inline void flush_tlb_range(struct mm_struct *mm,
846 + unsigned long start, unsigned long end)
847 +{
848 + preempt_disable();
849 + *MMUOR = MMUOR_CNL;
850 + preempt_enable();
851 +}
852 +
853 +/* Flush kernel page from TLB. */
854 +static inline void flush_tlb_kernel_page(void *addr)
855 +{
856 + preempt_disable();
857 + *MMUOR = MMUOR_CNL;
858 + preempt_enable();
859 +}
860 +
861 +static inline void flush_tlb_kernel_range(unsigned long start,
862 + unsigned long end)
863 +{
864 + flush_tlb_all();
865 +}
866 +
867 +extern inline void flush_tlb_pgtables(struct mm_struct *mm,
868 + unsigned long start, unsigned long end)
869 +{
870 +}
871 +
872 +#endif /* M68K_CF_TLBFLUSH_H */
873 --- /dev/null
874 +++ b/include/asm-m68k/cf_uaccess.h
875 @@ -0,0 +1,376 @@
876 +#ifndef __M68K_CF_UACCESS_H
877 +#define __M68K_CF_UACCESS_H
878 +
879 +/*
880 + * User space memory access functions
881 + */
882 +
883 +/* The "moves" command is not available in the CF instruction set. */
884 +#include <linux/compiler.h>
885 +#include <linux/errno.h>
886 +#include <linux/types.h>
887 +#include <linux/sched.h>
888 +#include <asm/segment.h>
889 +
890 +#define VERIFY_READ 0
891 +#define VERIFY_WRITE 1
892 +
893 +/* We let the MMU do all checking */
894 +#define access_ok(type, addr, size) 1
895 +
896 +/*
897 + * The exception table consists of pairs of addresses: the first is the
898 + * address of an instruction that is allowed to fault, and the second is
899 + * the address at which the program should continue. No registers are
900 + * modified, so it is entirely up to the continuation code to figure out
901 + * what to do.
902 + *
903 + * All the routines below use bits of fixup code that are out of line
904 + * with the main instruction path. This means when everything is well,
905 + * we don't even have to jump over them. Further, they do not intrude
906 + * on our cache or tlb entries.
907 + */
908 +
909 +struct exception_table_entry
910 +{
911 + unsigned long insn, fixup;
912 +};
913 +
914 +extern int __put_user_bad(void);
915 +extern int __get_user_bad(void);
916 +
917 +#define __put_user_asm(res, x, ptr, bwl, reg, err) \
918 +asm volatile ("\n" \
919 + "1: move."#bwl" %2,%1\n" \
920 + "2:\n" \
921 + " .section .fixup,\"ax\"\n" \
922 + " .even\n" \
923 + "10: moveq.l %3,%0\n" \
924 + " jra 2b\n" \
925 + " .previous\n" \
926 + "\n" \
927 + " .section __ex_table,\"a\"\n" \
928 + " .align 4\n" \
929 + " .long 1b,10b\n" \
930 + " .long 2b,10b\n" \
931 + " .previous" \
932 + : "+d" (res), "=m" (*(ptr)) \
933 + : #reg (x), "i" (err))
934 +
935 +/*
936 + * These are the main single-value transfer routines. They automatically
937 + * use the right size if we just have the right pointer type.
938 + */
939 +
940 +#define __put_user(x, ptr) \
941 +({ \
942 + typeof(*(ptr)) __pu_val = (x); \
943 + int __pu_err = 0; \
944 + __chk_user_ptr(ptr); \
945 + switch (sizeof (*(ptr))) { \
946 + case 1: \
947 + __put_user_asm(__pu_err, __pu_val, ptr, b, d, -EFAULT); \
948 + break; \
949 + case 2: \
950 + __put_user_asm(__pu_err, __pu_val, ptr, w, d, -EFAULT); \
951 + break; \
952 + case 4: \
953 + __put_user_asm(__pu_err, __pu_val, ptr, l, r, -EFAULT); \
954 + break; \
955 + case 8: \
956 + { \
957 + const void __user *__pu_ptr = (ptr); \
958 + asm volatile ("\n" \
959 + "1: move.l %2,(%1)+\n" \
960 + "2: move.l %R2,(%1)\n" \
961 + "3:\n" \
962 + " .section .fixup,\"ax\"\n" \
963 + " .even\n" \
964 + "10: movel %3,%0\n" \
965 + " jra 3b\n" \
966 + " .previous\n" \
967 + "\n" \
968 + " .section __ex_table,\"a\"\n" \
969 + " .align 4\n" \
970 + " .long 1b,10b\n" \
971 + " .long 2b,10b\n" \
972 + " .long 3b,10b\n" \
973 + " .previous" \
974 + : "+d" (__pu_err), "+a" (__pu_ptr) \
975 + : "r" (__pu_val), "i" (-EFAULT) \
976 + : "memory"); \
977 + break; \
978 + } \
979 + default: \
980 + __pu_err = __put_user_bad(); \
981 + break; \
982 + } \
983 + __pu_err; \
984 +})
985 +#define put_user(x, ptr) __put_user(x, ptr)
986 +
987 +
988 +#define __get_user_asm(res, x, ptr, type, bwl, reg, err) ({ \
989 + type __gu_val; \
990 + asm volatile ("\n" \
991 + "1: move."#bwl" %2,%1\n" \
992 + "2:\n" \
993 + " .section .fixup,\"ax\"\n" \
994 + " .even\n" \
995 + "10: move.l %3,%0\n" \
996 + " subl %1,%1\n" \
997 + " jra 2b\n" \
998 + " .previous\n" \
999 + "\n" \
1000 + " .section __ex_table,\"a\"\n" \
1001 + " .align 4\n" \
1002 + " .long 1b,10b\n" \
1003 + " .previous" \
1004 + : "+d" (res), "=&" #reg (__gu_val) \
1005 + : "m" (*(ptr)), "i" (err)); \
1006 + (x) = (typeof(*(ptr)))(unsigned long)__gu_val; \
1007 +})
1008 +
1009 +#define __get_user(x, ptr) \
1010 +({ \
1011 + int __gu_err = 0; \
1012 + __chk_user_ptr(ptr); \
1013 + switch (sizeof(*(ptr))) { \
1014 + case 1: \
1015 + __get_user_asm(__gu_err, x, ptr, u8, b, d, -EFAULT); \
1016 + break; \
1017 + case 2: \
1018 + __get_user_asm(__gu_err, x, ptr, u16, w, d, -EFAULT); \
1019 + break; \
1020 + case 4: \
1021 + __get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT); \
1022 + break; \
1023 +/* case 8: disabled because gcc-4.1 has a broken typeof \
1024 + { \
1025 + const void *__gu_ptr = (ptr); \
1026 + u64 __gu_val; \
1027 + asm volatile ("\n" \
1028 + "1: move.l (%2)+,%1\n" \
1029 + "2: move.l (%2),%R1\n" \
1030 + "3:\n" \
1031 + " .section .fixup,\"ax\"\n" \
1032 + " .even\n" \
1033 + "10: move.l %3,%0\n" \
1034 + " subl %1,%1\n" \
1035 + " subl %R1,%R1\n" \
1036 + " jra 3b\n" \
1037 + " .previous\n" \
1038 + "\n" \
1039 + " .section __ex_table,\"a\"\n" \
1040 + " .align 4\n" \
1041 + " .long 1b,10b\n" \
1042 + " .long 2b,10b\n" \
1043 + " .previous" \
1044 + : "+d" (__gu_err), "=&r" (__gu_val), \
1045 + "+a" (__gu_ptr) \
1046 + : "i" (-EFAULT) \
1047 + : "memory"); \
1048 + (x) = (typeof(*(ptr)))__gu_val; \
1049 + break; \
1050 + } */ \
1051 + default: \
1052 + __gu_err = __get_user_bad(); \
1053 + break; \
1054 + } \
1055 + __gu_err; \
1056 +})
1057 +#define get_user(x, ptr) __get_user(x, ptr)
1058 +
1059 +unsigned long __generic_copy_from_user(void *to, const void __user *from,
1060 + unsigned long n);
1061 +unsigned long __generic_copy_to_user(void __user *to, const void *from,
1062 + unsigned long n);
1063 +
1064 +#define __constant_copy_from_user_asm(res, to, from, tmp, n, s1, s2, s3)\
1065 + asm volatile ("\n" \
1066 + "1: move."#s1" (%2)+,%3\n" \
1067 + " move."#s1" %3,(%1)+\n" \
1068 + "2: move."#s2" (%2)+,%3\n" \
1069 + " move."#s2" %3,(%1)+\n" \
1070 + " .ifnc \""#s3"\",\"\"\n" \
1071 + "3: move."#s3" (%2)+,%3\n" \
1072 + " move."#s3" %3,(%1)+\n" \
1073 + " .endif\n" \
1074 + "4:\n" \
1075 + " .section __ex_table,\"a\"\n" \
1076 + " .align 4\n" \
1077 + " .long 1b,10f\n" \
1078 + " .long 2b,20f\n" \
1079 + " .ifnc \""#s3"\",\"\"\n" \
1080 + " .long 3b,30f\n" \
1081 + " .endif\n" \
1082 + " .previous\n" \
1083 + "\n" \
1084 + " .section .fixup,\"ax\"\n" \
1085 + " .even\n" \
1086 + "10: clr."#s1" (%1)+\n" \
1087 + "20: clr."#s2" (%1)+\n" \
1088 + " .ifnc \""#s3"\",\"\"\n" \
1089 + "30: clr."#s3" (%1)+\n" \
1090 + " .endif\n" \
1091 + " moveq.l #"#n",%0\n" \
1092 + " jra 4b\n" \
1093 + " .previous\n" \
1094 + : "+d" (res), "+&a" (to), "+a" (from), "=&d" (tmp) \
1095 + : : "memory")
1096 +
1097 +static __always_inline unsigned long
1098 +__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
1099 +{
1100 + unsigned long res = 0, tmp;
1101 +
1102 + switch (n) {
1103 + case 1:
1104 + __get_user_asm(res, *(u8 *)to, (u8 __user *)from, u8, b, d, 1);
1105 + break;
1106 + case 2:
1107 + __get_user_asm(res, *(u16 *)to, (u16 __user *)from, u16, w,
1108 + d, 2);
1109 + break;
1110 + case 3:
1111 + __constant_copy_from_user_asm(res, to, from, tmp, 3, w, b,);
1112 + break;
1113 + case 4:
1114 + __get_user_asm(res, *(u32 *)to, (u32 __user *)from, u32, l,
1115 + r, 4);
1116 + break;
1117 + case 5:
1118 + __constant_copy_from_user_asm(res, to, from, tmp, 5, l, b,);
1119 + break;
1120 + case 6:
1121 + __constant_copy_from_user_asm(res, to, from, tmp, 6, l, w,);
1122 + break;
1123 + case 7:
1124 + __constant_copy_from_user_asm(res, to, from, tmp, 7, l, w, b);
1125 + break;
1126 + case 8:
1127 + __constant_copy_from_user_asm(res, to, from, tmp, 8, l, l,);
1128 + break;
1129 + case 9:
1130 + __constant_copy_from_user_asm(res, to, from, tmp, 9, l, l, b);
1131 + break;
1132 + case 10:
1133 + __constant_copy_from_user_asm(res, to, from, tmp, 10, l, l, w);
1134 + break;
1135 + case 12:
1136 + __constant_copy_from_user_asm(res, to, from, tmp, 12, l, l, l);
1137 + break;
1138 + default:
1139 + /* we limit the inlined version to 3 moves */
1140 + return __generic_copy_from_user(to, from, n);
1141 + }
1142 +
1143 + return res;
1144 +}
1145 +
1146 +#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3) \
1147 + asm volatile ("\n" \
1148 + " move."#s1" (%2)+,%3\n" \
1149 + "11: move."#s1" %3,(%1)+\n" \
1150 + "12: move."#s2" (%2)+,%3\n" \
1151 + "21: move."#s2" %3,(%1)+\n" \
1152 + "22:\n" \
1153 + " .ifnc \""#s3"\",\"\"\n" \
1154 + " move."#s3" (%2)+,%3\n" \
1155 + "31: move."#s3" %3,(%1)+\n" \
1156 + "32:\n" \
1157 + " .endif\n" \
1158 + "4:\n" \
1159 + "\n" \
1160 + " .section __ex_table,\"a\"\n" \
1161 + " .align 4\n" \
1162 + " .long 11b,5f\n" \
1163 + " .long 12b,5f\n" \
1164 + " .long 21b,5f\n" \
1165 + " .long 22b,5f\n" \
1166 + " .ifnc \""#s3"\",\"\"\n" \
1167 + " .long 31b,5f\n" \
1168 + " .long 32b,5f\n" \
1169 + " .endif\n" \
1170 + " .previous\n" \
1171 + "\n" \
1172 + " .section .fixup,\"ax\"\n" \
1173 + " .even\n" \
1174 + "5: moveq.l #"#n",%0\n" \
1175 + " jra 4b\n" \
1176 + " .previous\n" \
1177 + : "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp) \
1178 + : : "memory")
1179 +
1180 +static __always_inline unsigned long
1181 +__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
1182 +{
1183 + unsigned long res = 0, tmp;
1184 +
1185 + switch (n) {
1186 + case 1:
1187 + __put_user_asm(res, *(u8 *)from, (u8 __user *)to, b, d, 1);
1188 + break;
1189 + case 2:
1190 + __put_user_asm(res, *(u16 *)from, (u16 __user *)to, w, d, 2);
1191 + break;
1192 + case 3:
1193 + __constant_copy_to_user_asm(res, to, from, tmp, 3, w, b,);
1194 + break;
1195 + case 4:
1196 + __put_user_asm(res, *(u32 *)from, (u32 __user *)to, l, r, 4);
1197 + break;
1198 + case 5:
1199 + __constant_copy_to_user_asm(res, to, from, tmp, 5, l, b,);
1200 + break;
1201 + case 6:
1202 + __constant_copy_to_user_asm(res, to, from, tmp, 6, l, w,);
1203 + break;
1204 + case 7:
1205 + __constant_copy_to_user_asm(res, to, from, tmp, 7, l, w, b);
1206 + break;
1207 + case 8:
1208 + __constant_copy_to_user_asm(res, to, from, tmp, 8, l, l,);
1209 + break;
1210 + case 9:
1211 + __constant_copy_to_user_asm(res, to, from, tmp, 9, l, l, b);
1212 + break;
1213 + case 10:
1214 + __constant_copy_to_user_asm(res, to, from, tmp, 10, l, l, w);
1215 + break;
1216 + case 12:
1217 + __constant_copy_to_user_asm(res, to, from, tmp, 12, l, l, l);
1218 + break;
1219 + default:
1220 + /* limit the inlined version to 3 moves */
1221 + return __generic_copy_to_user(to, from, n);
1222 + }
1223 +
1224 + return res;
1225 +}
1226 +
1227 +#define __copy_from_user(to, from, n) \
1228 +(__builtin_constant_p(n) ? \
1229 + __constant_copy_from_user(to, from, n) : \
1230 + __generic_copy_from_user(to, from, n))
1231 +
1232 +#define __copy_to_user(to, from, n) \
1233 +(__builtin_constant_p(n) ? \
1234 + __constant_copy_to_user(to, from, n) : \
1235 + __generic_copy_to_user(to, from, n))
1236 +
1237 +#define __copy_to_user_inatomic __copy_to_user
1238 +#define __copy_from_user_inatomic __copy_from_user
1239 +
1240 +#define copy_from_user(to, from, n) __copy_from_user(to, from, n)
1241 +#define copy_to_user(to, from, n) __copy_to_user(to, from, n)
1242 +
1243 +long strncpy_from_user(char *dst, const char __user *src, long count);
1244 +long strnlen_user(const char __user *src, long n);
1245 +unsigned long __clear_user(void __user *to, unsigned long n);
1246 +
1247 +#define clear_user __clear_user
1248 +
1249 +#define strlen_user(str) strnlen_user(str, 32767)
1250 +
1251 +#endif /* _M68K_CF_UACCESS_H */
1252 --- /dev/null
1253 +++ b/include/asm-m68k/cfcache.h
1254 @@ -0,0 +1,86 @@
1255 +/*
1256 + * include/asm-m68k/cfcache.h
1257 + */
1258 +#ifndef CF_CFCACHE_H
1259 +#define CF_CFCACHE_H
1260 +
1261 +#define CF_CACR_DEC (0x80000000) /* Data Cache Enable */
1262 +#define CF_CACR_DW (0x40000000) /* Data default Write-protect */
1263 +#define CF_CACR_DESB (0x20000000) /* Data Enable Store Buffer */
1264 +#define CF_CACR_DDPI (0x10000000) /* Data Disable CPUSHL Invalidate */
1265 +#define CF_CACR_DHLCK (0x08000000) /* 1/2 Data Cache Lock Mode */
1266 +#define CF_CACR_DDCM_00 (0x00000000) /* Cacheable writethrough imprecise */
1267 +#define CF_CACR_DDCM_01 (0x02000000) /* Cacheable copyback */
1268 +#define CF_CACR_DDCM_10 (0x04000000) /* Noncacheable precise */
1269 +#define CF_CACR_DDCM_11 (0x06000000) /* Noncacheable imprecise */
1270 +#define CF_CACR_DCINVA (0x01000000) /* Data Cache Invalidate All */
1271 +#define CF_CACR_IVO (0x00100000) /* Invalidate only */
1272 +#define CF_CACR_BEC (0x00080000) /* Branch Cache Enable */
1273 +#define CF_CACR_BCINVA (0x00040000) /* Branch Cache Invalidate All */
1274 +#define CF_CACR_IEC (0x00008000) /* Instruction Cache Enable */
1275 +#define CF_CACR_SPA (0x00004000) /* Search by Physical Address */
1276 +#define CF_CACR_DNFB (0x00002000) /* Default cache-inhibited fill buf */
1277 +#define CF_CACR_IDPI (0x00001000) /* Instr Disable CPUSHL Invalidate */
1278 +#define CF_CACR_IHLCK (0x00000800) /* 1/2 Instruction Cache Lock Mode */
1279 +#define CF_CACR_IDCM (0x00000400) /* Noncacheable Instr default mode */
1280 +#define CF_CACR_ICINVA (0x00000100) /* Instr Cache Invalidate All */
1281 +#define CF_CACR_EUSP (0x00000020) /* Switch stacks in user mode */
1282 +
1283 +#define DCACHE_LINE_SIZE 0x0010 /* bytes per line */
1284 +#define DCACHE_WAY_SIZE 0x2000 /* words per cache block */
1285 +#define CACHE_DISABLE_MODE (CF_CACR_DCINVA+CF_CACR_BCINVA+CF_CACR_ICINVA)
1286 +#ifdef CONFIG_M5445X_DISABLE_CACHE
1287 +/* disable cache for testing rev0 silicon */
1288 +#define CACHE_INITIAL_MODE (CF_CACR_EUSP)
1289 +#else
1290 +#define CACHE_INITIAL_MODE (CF_CACR_DEC+CF_CACR_BEC+CF_CACR_IEC+CF_CACR_EUSP)
1291 +#endif
1292 +
1293 +#define _DCACHE_SIZE (2*16384)
1294 +#define _ICACHE_SIZE (2*16384)
1295 +
1296 +#define _SET_SHIFT 4
1297 +
1298 +/*
1299 + * Masks for cache sizes. Programming note: because the set size is a
1300 + * power of two, the mask is also the last address in the set.
1301 + * This may need to be #ifdef for other Coldfire processors.
1302 + */
1303 +
1304 +#define _DCACHE_SET_MASK ((_DCACHE_SIZE/64-1)<<_SET_SHIFT)
1305 +#define _ICACHE_SET_MASK ((_ICACHE_SIZE/64-1)<<_SET_SHIFT)
1306 +#define LAST_DCACHE_ADDR _DCACHE_SET_MASK
1307 +#define LAST_ICACHE_ADDR _ICACHE_SET_MASK
1308 +
1309 +
1310 +#ifndef __ASSEMBLY__
1311 +
1312 +extern void DcacheFlushInvalidate(void);
1313 +
1314 +extern void DcacheDisable(void);
1315 +extern void DcacheEnable(void);
1316 +
1317 +/******************************************************************************/
1318 +/*** Unimplemented Cache functionality ***/
1319 +/******************************************************************************/
1320 +#define preDcacheInvalidateBlockMark()
1321 +#define postDcacheInvalidateBlockMark()
1322 +#define DcacheZeroBlock(p, l) fast_bzero((char *)(p), (long)(l))
1323 +#define loadDcacheInvalidateBlock() ASSERT(!"Not Implemented on V4e")
1324 +#define IcacheInvalidateBlock() ASSERT(!"Not Implemented on V4e")
1325 +
1326 +/******************************************************************************/
1327 +/*** Redundant Cache functionality on ColdFire ***/
1328 +/******************************************************************************/
1329 +#define DcacheInvalidateBlock(p, l) DcacheFlushInvalidateCacheBlock(p, l)
1330 +#define DcacheFlushCacheBlock(p, l) DcacheFlushInvalidateCacheBlock(p, l)
1331 +#define DcacheFlushBlock(p, l) DcacheFlushInvalidateCacheBlock(p, l)
1332 +
1333 +extern void DcacheFlushInvalidateCacheBlock(void *start, unsigned long size);
1334 +extern void FLASHDcacheFlushInvalidate(void);
1335 +
1336 +extern void cacr_set(unsigned long x);
1337 +
1338 +#endif /* !__ASSEMBLY__ */
1339 +
1340 +#endif /* CF_CACHE_H */
1341 --- /dev/null
1342 +++ b/include/asm-m68k/cfmmu.h
1343 @@ -0,0 +1,104 @@
1344 +/*
1345 + * Definitions for Coldfire V4e MMU
1346 + */
1347 +#include <asm/movs.h>
1348 +
1349 +#ifndef __CF_MMU_H__
1350 +#define __CF_MMU_H__
1351 +
1352 +
1353 +#define MMU_BASE 0xE1000000
1354 +
1355 +
1356 +#define MMUCR (MMU_BASE+0x00)
1357 +#define MMUCR_ASMN 1
1358 +#define MMUCR_ASM (1<<MMUCR_ASMN)
1359 +#define MMUCR_ENN 0
1360 +#define MMUCR_EN (1<<MMUCR_ENN)
1361 +
1362 +#define MMUOR REG16(MMU_BASE+0x04+0x02)
1363 +#define MMUOR_AAN 16
1364 +#define MMUOR_AA (0xffff<<MMUOR_AAN)
1365 +#define MMUOR_STLBN 8
1366 +#define MMUOR_STLB (1<<MMUOR_STLBN)
1367 +#define MMUOR_CAN 7
1368 +#define MMUOR_CA (1<<MMUOR_CAN)
1369 +#define MMUOR_CNLN 6
1370 +#define MMUOR_CNL (1<<MMUOR_CNLN)
1371 +#define MMUOR_CASN 5
1372 +#define MMUOR_CAS (1<<MMUOR_CASN)
1373 +#define MMUOR_ITLBN 4
1374 +#define MMUOR_ITLB (1<<MMUOR_ITLBN)
1375 +#define MMUOR_ADRN 3
1376 +#define MMUOR_ADR (1<<MMUOR_ADRN)
1377 +#define MMUOR_RWN 2
1378 +#define MMUOR_RW (1<<MMUOR_RWN)
1379 +#define MMUOR_ACCN 1
1380 +#define MMUOR_ACC (1<<MMUOR_ACCN)
1381 +#define MMUOR_UAAN 0
1382 +#define MMUOR_UAA (1<<MMUOR_UAAN)
1383 +
1384 +#define MMUSR REG32(MMU_BASE+0x08)
1385 +#define MMUSR_SPFN 5
1386 +#define MMUSR_SPF (1<<MMUSR_SPFN)
1387 +#define MMUSR_RFN 4
1388 +#define MMUSR_RF (1<<MMUSR_RFN)
1389 +#define MMUSR_WFN 3
1390 +#define MMUSR_WF (1<<MMUSR_WFN)
1391 +#define MMUSR_HITN 1
1392 +#define MMUSR_HIT (1<<MMUSR_HITN)
1393 +
1394 +#define MMUAR REG32(MMU_BASE+0x10)
1395 +#define MMUAR_VPN 1
1396 +#define MMUAR_VP (0xfffffffe)
1397 +#define MMUAR_SN 0
1398 +#define MMUAR_S (1<<MMUAR_SN)
1399 +
1400 +#define MMUTR REG32(MMU_BASE+0x14)
1401 +#define MMUTR_VAN 10
1402 +#define MMUTR_VA (0xfffffc00)
1403 +#define MMUTR_IDN 2
1404 +#define MMUTR_ID (0xff<<MMUTR_IDN)
1405 +#define MMUTR_SGN 1
1406 +#define MMUTR_SG (1<<MMUTR_SGN)
1407 +#define MMUTR_VN 0
1408 +#define MMUTR_V (1<<MMUTR_VN)
1409 +
1410 +#define MMUDR REG32(MMU_BASE+0x18)
1411 +#define MMUDR_PAN 10
1412 +#define MMUDR_PA (0xfffffc00)
1413 +#define MMUDR_SZN 8
1414 +#define MMUDR_SZ_MASK (0x2<<MMUDR_SZN)
1415 +#define MMUDR_SZ1M (0<<MMUDR_SZN)
1416 +#define MMUDR_SZ4K (1<<MMUDR_SZN)
1417 +#define MMUDR_SZ8K (2<<MMUDR_SZN)
1418 +#define MMUDR_SZ16M (3<<MMUDR_SZN)
1419 +#define MMUDR_CMN 6
1420 +#define MMUDR_INC (2<<MMUDR_CMN)
1421 +#define MMUDR_IC (0<<MMUDR_CMN)
1422 +#define MMUDR_DWT (0<<MMUDR_CMN)
1423 +#define MMUDR_DCB (1<<MMUDR_CMN)
1424 +#define MMUDR_DNCP (2<<MMUDR_CMN)
1425 +#define MMUDR_DNCIP (3<<MMUDR_CMN)
1426 +#define MMUDR_SPN 5
1427 +#define MMUDR_SP (1<<MMUDR_SPN)
1428 +#define MMUDR_RN 4
1429 +#define MMUDR_R (1<<MMUDR_RN)
1430 +#define MMUDR_WN 3
1431 +#define MMUDR_W (1<<MMUDR_WN)
1432 +#define MMUDR_XN 2
1433 +#define MMUDR_X (1<<MMUDR_XN)
1434 +#define MMUDR_LKN 1
1435 +#define MMUDR_LK (1<<MMUDR_LKN)
1436 +
1437 +
1438 +#ifndef __ASSEMBLY__
1439 +#define CF_PMEGS_NUM 256
1440 +#define CF_INVALID_CONTEXT 255
1441 +#define CF_PAGE_PGNUM_MASK (PAGE_MASK)
1442 +
1443 +extern int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb,
1444 + int extension_word);
1445 +#endif /* __ASSEMBLY__*/
1446 +
1447 +#endif /* !__CF_MMU_H__ */
1448 --- /dev/null
1449 +++ b/include/asm-m68k/coldfire.h
1450 @@ -0,0 +1,38 @@
1451 +#ifndef _COLDFIRE_H_
1452 +#define _COLDFIRE_H_
1453 +
1454 +#define MCF_MBAR 0x0
1455 +#define MCF_RAMBAR1 0x40000000
1456 +#define MCF_SRAM 0x80000000
1457 +#define MCF_CLK CONFIG_MCFCLK
1458 +#define MCF_BUSCLK (CONFIG_MCFCLK/2)
1459 +
1460 +#ifdef __ASSEMBLY__
1461 +#define REG32
1462 +#define REG16
1463 +#define REG08
1464 +#else /* __ASSEMBLY__ */
1465 +#define REG32(x) ((volatile unsigned long *)(x))
1466 +#define REG16(x) ((volatile unsigned short *)(x))
1467 +#define REG08(x) ((volatile unsigned char *)(x))
1468 +
1469 +#define MCF_REG32(x) *(volatile unsigned long *)(MCF_MBAR+(x))
1470 +#define MCF_REG16(x) *(volatile unsigned short *)(MCF_MBAR+(x))
1471 +#define MCF_REG08(x) *(volatile unsigned char *)(MCF_MBAR+(x))
1472 +
1473 +void cacr_set(unsigned long);
1474 +unsigned long cacr_get(void);
1475 +
1476 +#define coldfire_enable_irq0(irq) MCF_INTC0_CIMR = (irq);
1477 +
1478 +#define coldfire_enable_irq1(irq) MCF_INTC1_CIMR = (irq);
1479 +
1480 +#define coldfire_disable_irq0(irq) MCF_INTC0_SIMR = (irq);
1481 +
1482 +#define coldfire_disable_irq1(irq) MCF_INTC1_SIMR = (irq);
1483 +
1484 +#define getiprh() MCF_INTC0_IPRH
1485 +
1486 +#endif /* __ASSEMBLY__ */
1487 +
1488 +#endif /* _COLDFIRE_H_ */
1489 --- /dev/null
1490 +++ b/include/asm-m68k/coldfire_edma.h
1491 @@ -0,0 +1,39 @@
1492 +#ifndef _LINUX_COLDFIRE_DMA_H
1493 +#define _LINUX_COLDFIRE_DMA_H
1494 +
1495 +#include <linux/interrupt.h>
1496 +
1497 +#define EDMA_DRIVER_NAME "ColdFire-eDMA"
1498 +#define DMA_DEV_MINOR 1
1499 +
1500 +#define EDMA_INT_CHANNEL_BASE 8
1501 +#define EDMA_INT_CONTROLLER_BASE 64
1502 +#define EDMA_CHANNELS 16
1503 +
1504 +#define EDMA_IRQ_LEVEL 5
1505 +
1506 +typedef irqreturn_t (*edma_irq_handler)(int, void *);
1507 +typedef void (*edma_error_handler)(int, void *);
1508 +
1509 +void set_edma_params(int channel, u32 source, u32 dest,
1510 + u32 attr, u32 soff, u32 nbytes, u32 slast,
1511 + u32 citer, u32 biter, u32 doff, u32 dlast_sga);
1512 +
1513 +void start_edma_transfer(int channel, int major_int);
1514 +
1515 +void stop_edma_transfer(int channel);
1516 +
1517 +void confirm_edma_interrupt_handled(int channel);
1518 +
1519 +void init_edma(void);
1520 +
1521 +int request_edma_channel(int channel,
1522 + edma_irq_handler handler,
1523 + edma_error_handler error_handler,
1524 + void *dev,
1525 + spinlock_t *lock,
1526 + const char *device_id);
1527 +
1528 +int free_edma_channel(int channel, void *dev);
1529 +
1530 +#endif
1531 --- /dev/null
1532 +++ b/include/asm-m68k/mcfqspi.h
1533 @@ -0,0 +1,50 @@
1534 +/****************************************************************************/
1535 +/*
1536 + * mcfqspi.h - Master QSPI controller for the ColdFire processors
1537 + *
1538 + * (C) Copyright 2005, Intec Automation,
1539 + * Mike Lavender (mike@steroidmicros)
1540 + *
1541 +
1542 + This program is free software; you can redistribute it and/or modify
1543 + it under the terms of the GNU General Public License as published by
1544 + the Free Software Foundation; either version 2 of the License, or
1545 + (at your option) any later version.
1546 +
1547 + This program is distributed in the hope that it will be useful,
1548 + but WITHOUT ANY WARRANTY; without even the implied warranty of
1549 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1550 + GNU General Public License for more details.
1551 +
1552 + You should have received a copy of the GNU General Public License
1553 + along with this program; if not, write to the Free Software
1554 + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
1555 +/* ------------------------------------------------------------------------- */
1556 +
1557 +#ifndef MCFQSPI_H_
1558 +#define MCFQSPI_H_
1559 +
1560 +#define QSPI_CS_INIT 0x01
1561 +#define QSPI_CS_ASSERT 0x02
1562 +#define QSPI_CS_DROP 0x04
1563 +
1564 +struct coldfire_spi_master {
1565 + u16 bus_num;
1566 + u16 num_chipselect;
1567 + u8 irq_source;
1568 + u32 irq_vector;
1569 + u32 irq_mask;
1570 + u8 irq_lp;
1571 + u8 par_val;
1572 + void (*cs_control)(u8 cs, u8 command);
1573 +};
1574 +
1575 +
1576 +struct coldfire_spi_chip {
1577 + u8 mode;
1578 + u8 bits_per_word;
1579 + u8 del_cs_to_clk;
1580 + u8 del_after_trans;
1581 + u16 void_write_data;
1582 +};
1583 +#endif /*MCFQSPI_H_*/
1584 --- /dev/null
1585 +++ b/include/asm-m68k/mcfsim.h
1586 @@ -0,0 +1,96 @@
1587 +/*
1588 + * mcfsim.h -- ColdFire System Integration Module support.
1589 + *
1590 + * (C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com)
1591 + * (C) Copyright 2000, Lineo Inc. (www.lineo.com)
1592 + */
1593 +
1594 +#ifndef mcfsim_h
1595 +#define mcfsim_h
1596 +
1597 +#if defined(CONFIG_COLDFIRE)
1598 +#include <asm/coldfire.h>
1599 +#endif
1600 +
1601 +#if defined(CONFIG_M54455)
1602 +#include <asm/mcf5445x_intc.h>
1603 +#include <asm/mcf5445x_gpio.h>
1604 +#include <asm/mcf5445x_i2c.h>
1605 +#include <asm/mcf5445x_ccm.h>
1606 +#include <asm/mcf5445x_pci.h>
1607 +#include <asm/mcf5445x_pciarb.h>
1608 +#include <asm/mcf5445x_eport.h>
1609 +#endif
1610 +
1611 +/*
1612 + * Define the base address of the SIM within the MBAR address space.
1613 + */
1614 +#define MCFSIM_BASE 0x0 /* Base address of SIM */
1615 +
1616 +/*
1617 + * Bit definitions for the ICR family of registers.
1618 + */
1619 +#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
1620 +#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
1621 +#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
1622 +#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
1623 +#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
1624 +#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
1625 +#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
1626 +#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
1627 +#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
1628 +
1629 +#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
1630 +#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
1631 +#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
1632 +#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
1633 +
1634 +/*
1635 + * Bit definitions for the Interrupt Mask register (IMR).
1636 + */
1637 +#define MCFSIM_IMR_EINT1 0x0002 /* External intr # 1 */
1638 +#define MCFSIM_IMR_EINT2 0x0004 /* External intr # 2 */
1639 +#define MCFSIM_IMR_EINT3 0x0008 /* External intr # 3 */
1640 +#define MCFSIM_IMR_EINT4 0x0010 /* External intr # 4 */
1641 +#define MCFSIM_IMR_EINT5 0x0020 /* External intr # 5 */
1642 +#define MCFSIM_IMR_EINT6 0x0040 /* External intr # 6 */
1643 +#define MCFSIM_IMR_EINT7 0x0080 /* External intr # 7 */
1644 +
1645 +#define MCFSIM_IMR_SWD 0x0100 /* Software Watchdog intr */
1646 +#define MCFSIM_IMR_TIMER1 0x0200 /* TIMER 1 intr */
1647 +#define MCFSIM_IMR_TIMER2 0x0400 /* TIMER 2 intr */
1648 +#define MCFSIM_IMR_MBUS 0x0800 /* MBUS intr */
1649 +#define MCFSIM_IMR_UART1 0x1000 /* UART 1 intr */
1650 +#define MCFSIM_IMR_UART2 0x2000 /* UART 2 intr */
1651 +
1652 +/*
1653 + * Mask for all of the SIM devices. Some parts have more or less
1654 + * SIM devices. This is a catchall for the sandard set.
1655 + */
1656 +#ifndef MCFSIM_IMR_MASKALL
1657 +#define MCFSIM_IMR_MASKALL 0x3ffe /* All intr sources */
1658 +#endif
1659 +
1660 +
1661 +/*
1662 + * PIT interrupt settings, if not found in mXXXXsim.h file.
1663 + */
1664 +#ifndef ICR_INTRCONF
1665 +#define ICR_INTRCONF 0x2b /* PIT1 level 5, priority 3 */
1666 +#endif
1667 +#ifndef MCFPIT_IMR
1668 +#define MCFPIT_IMR MCFINTC_IMRH
1669 +#endif
1670 +#ifndef MCFPIT_IMR_IBIT
1671 +#define MCFPIT_IMR_IBIT (1 << (MCFINT_PIT1 - 32))
1672 +#endif
1673 +
1674 +
1675 +#ifndef __ASSEMBLY__
1676 +/*
1677 + * Definition for the interrupt auto-vectoring support.
1678 + */
1679 +extern void mcf_autovector(unsigned int vec);
1680 +#endif /* __ASSEMBLY__ */
1681 +
1682 +#endif /* mcfsim_h */
1683 --- /dev/null
1684 +++ b/include/asm-m68k/mcfuart.h
1685 @@ -0,0 +1,180 @@
1686 +/*
1687 + * mcfuart.h -- ColdFire internal UART support defines.
1688 + *
1689 + * Matt Waddel Matt.Waddel@freescale.com
1690 + * Copyright Freescale Semiconductor, Inc. 2007
1691 + *
1692 + * Derived from m68knommu version of this same file (Greg Ungerer & Lineo).
1693 + *
1694 + */
1695 +
1696 +#ifndef mcfuart_h
1697 +#define mcfuart_h
1698 +
1699 +/*
1700 + * Define the base address of the UARTS within the MBAR address
1701 + * space.
1702 + */
1703 +#if defined(CONFIG_M54455)
1704 +#include <asm/mcf5445x_intc.h>
1705 +#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */
1706 +#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */
1707 +#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */
1708 +#define MCFINT_VECBASE 64
1709 +#define MCFINT_UART0 26
1710 +#endif
1711 +
1712 +
1713 +/*
1714 + * Define the ColdFire UART register set addresses.
1715 + */
1716 +#define MCFUART_UMR 0x00 /* Mode register (r/w) */
1717 +#define MCFUART_USR 0x04 /* Status register (r) */
1718 +#define MCFUART_UCSR 0x04 /* Clock Select (w) */
1719 +#define MCFUART_UCR 0x08 /* Command register (w) */
1720 +#define MCFUART_URB 0x0c /* Receiver Buffer (r) */
1721 +#define MCFUART_UTB 0x0c /* Transmit Buffer (w) */
1722 +#define MCFUART_UIPCR 0x10 /* Input Port Change (r) */
1723 +#define MCFUART_UACR 0x10 /* Auxiliary Control (w) */
1724 +#define MCFUART_UISR 0x14 /* Interrup Status (r) */
1725 +#define MCFUART_UIMR 0x14 /* Interrupt Mask (w) */
1726 +#define MCFUART_UBG1 0x18 /* Baud Rate MSB (r/w) */
1727 +#define MCFUART_UBG2 0x1c /* Baud Rate LSB (r/w) */
1728 +#ifdef CONFIG_M5272
1729 +#define MCFUART_UTF 0x28 /* Transmitter FIFO (r/w) */
1730 +#define MCFUART_URF 0x2c /* Receiver FIFO (r/w) */
1731 +#define MCFUART_UFPD 0x30 /* Frac Prec. Divider (r/w) */
1732 +#else
1733 +#define MCFUART_UIVR 0x30 /* Interrupt Vector (r/w) */
1734 +#endif
1735 +#define MCFUART_UIPR 0x34 /* Input Port (r) */
1736 +#define MCFUART_UOP1 0x38 /* Output Port Bit Set (w) */
1737 +#define MCFUART_UOP0 0x3c /* Output Port Bit Reset (w) */
1738 +
1739 +
1740 +/*
1741 + * Define bit flags in Mode Register 1 (MR1).
1742 + */
1743 +#define MCFUART_MR1_RXRTS 0x80 /* Auto RTS flow control */
1744 +#define MCFUART_MR1_RXIRQFULL 0x40 /* RX IRQ type FULL */
1745 +#define MCFUART_MR1_RXIRQRDY 0x00 /* RX IRQ type RDY */
1746 +#define MCFUART_MR1_RXERRBLOCK 0x20 /* RX block error mode */
1747 +#define MCFUART_MR1_RXERRCHAR 0x00 /* RX char error mode */
1748 +
1749 +#define MCFUART_MR1_PARITYNONE 0x10 /* No parity */
1750 +#define MCFUART_MR1_PARITYEVEN 0x00 /* Even parity */
1751 +#define MCFUART_MR1_PARITYODD 0x04 /* Odd parity */
1752 +#define MCFUART_MR1_PARITYSPACE 0x08 /* Space parity */
1753 +#define MCFUART_MR1_PARITYMARK 0x0c /* Mark parity */
1754 +
1755 +#define MCFUART_MR1_CS5 0x00 /* 5 bits per char */
1756 +#define MCFUART_MR1_CS6 0x01 /* 6 bits per char */
1757 +#define MCFUART_MR1_CS7 0x02 /* 7 bits per char */
1758 +#define MCFUART_MR1_CS8 0x03 /* 8 bits per char */
1759 +
1760 +/*
1761 + * Define bit flags in Mode Register 2 (MR2).
1762 + */
1763 +#define MCFUART_MR2_LOOPBACK 0x80 /* Loopback mode */
1764 +#define MCFUART_MR2_REMOTELOOP 0xc0 /* Remote loopback mode */
1765 +#define MCFUART_MR2_AUTOECHO 0x40 /* Automatic echo */
1766 +#define MCFUART_MR2_TXRTS 0x20 /* Assert RTS on TX */
1767 +#define MCFUART_MR2_TXCTS 0x10 /* Auto CTS flow control */
1768 +
1769 +#define MCFUART_MR2_STOP1 0x07 /* 1 stop bit */
1770 +#define MCFUART_MR2_STOP15 0x08 /* 1.5 stop bits */
1771 +#define MCFUART_MR2_STOP2 0x0f /* 2 stop bits */
1772 +
1773 +/*
1774 + * Define bit flags in Status Register (USR).
1775 + */
1776 +#define MCFUART_USR_RXBREAK 0x80 /* Received BREAK */
1777 +#define MCFUART_USR_RXFRAMING 0x40 /* Received framing error */
1778 +#define MCFUART_USR_RXPARITY 0x20 /* Received parity error */
1779 +#define MCFUART_USR_RXOVERRUN 0x10 /* Received overrun error */
1780 +#define MCFUART_USR_TXEMPTY 0x08 /* Transmitter empty */
1781 +#define MCFUART_USR_TXREADY 0x04 /* Transmitter ready */
1782 +#define MCFUART_USR_RXFULL 0x02 /* Receiver full */
1783 +#define MCFUART_USR_RXREADY 0x01 /* Receiver ready */
1784 +
1785 +#define MCFUART_USR_RXERR (MCFUART_USR_RXBREAK | MCFUART_USR_RXFRAMING | \
1786 + MCFUART_USR_RXPARITY | MCFUART_USR_RXOVERRUN)
1787 +
1788 +/*
1789 + * Define bit flags in Clock Select Register (UCSR).
1790 + */
1791 +#define MCFUART_UCSR_RXCLKTIMER 0xd0 /* RX clock is timer */
1792 +#define MCFUART_UCSR_RXCLKEXT16 0xe0 /* RX clock is external x16 */
1793 +#define MCFUART_UCSR_RXCLKEXT1 0xf0 /* RX clock is external x1 */
1794 +
1795 +#define MCFUART_UCSR_TXCLKTIMER 0x0d /* TX clock is timer */
1796 +#define MCFUART_UCSR_TXCLKEXT16 0x0e /* TX clock is external x16 */
1797 +#define MCFUART_UCSR_TXCLKEXT1 0x0f /* TX clock is external x1 */
1798 +
1799 +/*
1800 + * Define bit flags in Command Register (UCR).
1801 + */
1802 +#define MCFUART_UCR_CMDNULL 0x00 /* No command */
1803 +#define MCFUART_UCR_CMDRESETMRPTR 0x10 /* Reset MR pointer */
1804 +#define MCFUART_UCR_CMDRESETRX 0x20 /* Reset receiver */
1805 +#define MCFUART_UCR_CMDRESETTX 0x30 /* Reset transmitter */
1806 +#define MCFUART_UCR_CMDRESETERR 0x40 /* Reset error status */
1807 +#define MCFUART_UCR_CMDRESETBREAK 0x50 /* Reset BREAK change */
1808 +#define MCFUART_UCR_CMDBREAKSTART 0x60 /* Start BREAK */
1809 +#define MCFUART_UCR_CMDBREAKSTOP 0x70 /* Stop BREAK */
1810 +
1811 +#define MCFUART_UCR_TXNULL 0x00 /* No TX command */
1812 +#define MCFUART_UCR_TXENABLE 0x04 /* Enable TX */
1813 +#define MCFUART_UCR_TXDISABLE 0x08 /* Disable TX */
1814 +#define MCFUART_UCR_RXNULL 0x00 /* No RX command */
1815 +#define MCFUART_UCR_RXENABLE 0x01 /* Enable RX */
1816 +#define MCFUART_UCR_RXDISABLE 0x02 /* Disable RX */
1817 +
1818 +/*
1819 + * Define bit flags in Input Port Change Register (UIPCR).
1820 + */
1821 +#define MCFUART_UIPCR_CTSCOS 0x10 /* CTS change of state */
1822 +#define MCFUART_UIPCR_CTS 0x01 /* CTS value */
1823 +
1824 +/*
1825 + * Define bit flags in Input Port Register (UIP).
1826 + */
1827 +#define MCFUART_UIPR_CTS 0x01 /* CTS value */
1828 +
1829 +/*
1830 + * Define bit flags in Output Port Registers (UOP).
1831 + * Clear bit by writing to UOP0, set by writing to UOP1.
1832 + */
1833 +#define MCFUART_UOP_RTS 0x01 /* RTS set or clear */
1834 +
1835 +/*
1836 + * Define bit flags in the Auxiliary Control Register (UACR).
1837 + */
1838 +#define MCFUART_UACR_IEC 0x01 /* Input enable control */
1839 +
1840 +/*
1841 + * Define bit flags in Interrupt Status Register (UISR).
1842 + * These same bits are used for the Interrupt Mask Register (UIMR).
1843 + */
1844 +#define MCFUART_UIR_COS 0x80 /* Change of state (CTS) */
1845 +#define MCFUART_UIR_DELTABREAK 0x04 /* Break start or stop */
1846 +#define MCFUART_UIR_RXREADY 0x02 /* Receiver ready */
1847 +#define MCFUART_UIR_TXREADY 0x01 /* Transmitter ready */
1848 +
1849 +#ifdef CONFIG_M5272
1850 +/*
1851 + * Define bit flags in the Transmitter FIFO Register (UTF).
1852 + */
1853 +#define MCFUART_UTF_TXB 0x1f /* Transmitter data level */
1854 +#define MCFUART_UTF_FULL 0x20 /* Transmitter fifo full */
1855 +#define MCFUART_UTF_TXS 0xc0 /* Transmitter status */
1856 +
1857 +/*
1858 + * Define bit flags in the Receiver FIFO Register (URF).
1859 + */
1860 +#define MCFUART_URF_RXB 0x1f /* Receiver data level */
1861 +#define MCFUART_URF_FULL 0x20 /* Receiver fifo full */
1862 +#define MCFUART_URF_RXS 0xc0 /* Receiver status */
1863 +#endif
1864 +
1865 +#endif /* mcfuart_h */
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