52 /* Data-side / unified region attributes */
76 /* Optional instruction-side region attributes */
78 /* I-side Region access control register */
84 /* I-side Region size register */
90 /* I-side Region base address register */
108 /* Data-side / unified region attributes */
137 /* ARMv7-M only supports a unified MPU, so I-side operations are nop */
149 	phys_addr_t abase = base & ~(size - 1);  in try_split_region()
150 	phys_addr_t asize = base + size - abase;  in try_split_region()
157 	bdiff = base - abase;  in try_split_region()
158 	sdiff = p2size - asize;  in try_split_region()
177 			_set_bit(i, &region->subreg);  in try_split_region()
180 			_set_bit(PMSAv7_NR_SUBREGS - i, &region->subreg);  in try_split_region()
183 	region->base = abase;  in try_split_region()
184 	region->size = p2size;  in try_split_region()
201 			diff -= size;  in allocate_region()
212 			phys_addr_t asize = (base - 1) ^ base;  in allocate_region()
213 			phys_addr_t p2size = (1 <<  __fls(diff)) - 1;  in allocate_region()
224 		attempts--;  in allocate_region()
239 	int num;  in pmsav7_adjust_lowmem_bounds()  local
242 	/* Free-up PMSAv7_PROBE_REGION */  in pmsav7_adjust_lowmem_bounds()
251 	mem_max_regions--;  in pmsav7_adjust_lowmem_bounds()
254 	/* ... and one for vectors */  in pmsav7_adjust_lowmem_bounds()
255 	mem_max_regions--;  in pmsav7_adjust_lowmem_bounds()
260 	num = allocate_region(CONFIG_XIP_PHYS_ADDR, __pa(_exiprom) - CONFIG_XIP_PHYS_ADDR,  in pmsav7_adjust_lowmem_bounds()
263 	mem_max_regions -= num;  in pmsav7_adjust_lowmem_bounds()
278 			specified_mem_size = mem_end - mem_start;  in pmsav7_adjust_lowmem_bounds()
288 			memblock_remove(reg_start, 0 - reg_start);  in pmsav7_adjust_lowmem_bounds()
294 	num = allocate_region(mem_start, specified_mem_size, mem_max_regions, mem);  in pmsav7_adjust_lowmem_bounds()
296 	for (i = 0; i < num; i++) {  in pmsav7_adjust_lowmem_bounds()
299 		total_mem_size += mem[i].size - subreg * hweight_long(mem[i].subreg);  in pmsav7_adjust_lowmem_bounds()
309 				specified_mem_size - total_mem_size);  in pmsav7_adjust_lowmem_bounds()
326 	/* Check for separate d-side and i-side memory maps */  in __mpu_max_regions()
354 	/* If the MPU is non-unified, we use the larger of the two minima*/  in __mpu_min_region_order()
375 		return -ENOENT;  in mpu_setup_region()
378 		return -ENOMEM;  in mpu_setup_region()
381 		return -ENOMEM;  in mpu_setup_region()
384 	size_data = ((size_order - 1) << PMSAv7_RSR_SZ) | 1 << PMSAv7_RSR_EN;  in mpu_setup_region()
398 	/* Check for independent I-side registers */  in mpu_setup_region()
436                  * head-nommu.S (which is cachable) all subsequent  in pmsav7_setup()
462 	/* Vectors */  in pmsav7_setup()