2  * Based on linux/arch/arm/pmsa-v7.c
4  * ARM PMSAv8 supporting functions.
78 static struct range __initdata io[MPU_MAX_REGIONS];  variable
120 			memblock_remove(reg_start, 0 - reg_start);  in pmsav8_adjust_lowmem_bounds()
145 		return -ENOENT;  in __pmsav8_setup_region()
166 		return -EINVAL;  in pmsav8_setup_ram()
169 	lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);  in pmsav8_setup_ram()
182 		return -EINVAL;  in pmsav8_setup_io()
185 	lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);  in pmsav8_setup_io()
198 		return -EINVAL;  in pmsav8_setup_fixed()
201 	lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);  in pmsav8_setup_fixed()
210 		return -EINVAL;  in pmsav8_setup_fixed()
227 		return -EINVAL;  in pmsav8_setup_vector()
230 	lar = (end - 1) & ~(PMSAv8_MINALIGN - 1);  in pmsav8_setup_vector()
251 	/* IO: cover full 4G range */  in pmsav8_setup()
252 	add_range(io, ARRAY_SIZE(io), 0, 0, 0xffffffff);  in pmsav8_setup()
254 	/* RAM and IO: exclude kernel */  in pmsav8_setup()
256 	subtract_range(io, ARRAY_SIZE(io),  __pa(KERNEL_START), __pa(KERNEL_END));  in pmsav8_setup()
259 	/* RAM and IO: exclude xip */  in pmsav8_setup()
261 	subtract_range(io, ARRAY_SIZE(io), CONFIG_XIP_PHYS_ADDR, __pa(_exiprom));  in pmsav8_setup()
265 	/* RAM and IO: exclude vectors */  in pmsav8_setup()
267 	subtract_range(io, ARRAY_SIZE(io),  vectors_base, vectors_base + 2 * PAGE_SIZE);  in pmsav8_setup()
269 	/* IO: exclude RAM */  in pmsav8_setup()
271 		subtract_range(io, ARRAY_SIZE(io), mem[i].start, mem[i].end);  in pmsav8_setup()
283 	/* IO */  in pmsav8_setup()
284 	for (i = 0; i < ARRAY_SIZE(io); i++) {  in pmsav8_setup()
285 		if (!io[i].end)  in pmsav8_setup()
288 		err |= pmsav8_setup_io(region++, io[i].start, io[i].end);  in pmsav8_setup()
306 		pr_info("Using ARM PMSAv8 Compliant MPU. Used %d of %d regions\n",  in pmsav8_setup()