linux-master/mm/early_ioremap.c

35 pgprot_t __init __weak early_memremap_pgprot_adjust(resource_size_t phys_addr,
100 __early_ioremap(resource_size_t phys_addr, unsigned long size, pgprot_t prot)
119 		 __func__, &phys_addr, size))
123 	last_addr = phys_addr + size - 1;
124 	if (WARN_ON(!size || last_addr < phys_addr))
131 	offset = offset_in_page(phys_addr);
132 	phys_addr &= PAGE_MASK;
133 	size = PAGE_ALIGN(last_addr + 1) - phys_addr;
148 			__late_set_fixmap(idx, phys_addr, prot);
150 			__early_set_fixmap(idx, phys_addr, prot);
151 		phys_addr += PAGE_SIZE;
156 	     __func__, &phys_addr, size, slot, offset, slot_virt[slot]);
211 early_ioremap(resource_size_t phys_addr, unsigned long size)
213 	return __early_ioremap(phys_addr, size, FIXMAP_PAGE_IO);
218 early_memremap(resource_size_t phys_addr, unsigned long size)
220 	pgprot_t prot = early_memremap_pgprot_adjust(phys_addr, size,
223 	return (__force void *)__early_ioremap(phys_addr, size, prot);
227 early_memremap_ro(resource_size_t phys_addr, unsigned long size)
229 	pgprot_t prot = early_memremap_pgprot_adjust(phys_addr, size,
232 	return (__force void *)__early_ioremap(phys_addr, size, prot);
238 early_memremap_prot(resource_size_t phys_addr, unsigned long size,
241 	return (__force void *)__early_ioremap(phys_addr, size,
270 early_ioremap(resource_size_t phys_addr, unsigned long size)
272 	return (__force void __iomem *)phys_addr;
277 early_memremap(resource_size_t phys_addr, unsigned long size)
279 	return (void *)phys_addr;
282 early_memremap_ro(resource_size_t phys_addr, unsigned long size)
284 	return (void *)phys_addr;