Lines Matching refs:region

19 struct region {
25 static struct region __initdata mem[MPU_MAX_REGIONS];
27 static struct region __initdata xip[MPU_MAX_REGIONS];
52 /* Data-side / unified region attributes */
76 /* Optional instruction-side region attributes */
108 /* Data-side / unified region attributes */
146 static bool __init try_split_region(phys_addr_t base, phys_addr_t size, struct region *region)
177 			_set_bit(i, &region->subreg);
180 			_set_bit(PMSAv7_NR_SUBREGS - i, &region->subreg);
183 	region->base = abase;
184 	region->size = p2size;
190 				  unsigned int limit, struct region *regions)
197 		/* Try cover region as is (maybe with help of subregions) */
205 			 * Maximum aligned region might overflow phys_addr_t
207 			 * until we take the smaller of the aligned region
208 			 * size ("asize") and rounded region size ("p2size"),
250 	/* We need to keep one slot for background region */
306 		pr_warn("Truncating memory from %pa to %pa (MPU region constraints)",
344 	/* We've kept a region free for this probing */
349 	 * region order
360 	isb(); /* Ensure that MPU region operations have completed */
372 	/* We kept a region free for probing resolution of MPU regions*/
383 	/* Writing N to bits 5:1 (RSR_SZ)  specifies region size 2^N+1 */
395 	isb(); /* Propagate properties before enabling region */
407 	/* Store region info (we treat i/d side the same, so only store d) */
422 	int i, region = 0, err = 0;
427 	err |= mpu_setup_region(region++, 0, 32,
435                  * In case we overwrite RAM region we set earlier in
438                  * with BG region (which is uncachable), thus we need
441 		bool need_flush = region == PMSAv7_RAM_REGION;
446 		err |= mpu_setup_region(region++, xip[i].base, ilog2(xip[i].size),
457 		err |= mpu_setup_region(region++, mem[i].base, ilog2(mem[i].size),
464 	err |= mpu_setup_region(region++, vectors_base, ilog2(2 * PAGE_SIZE),
469 		panic("MPU region initialization failure! %d", err);