/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ASMARM_SPARSEMEM_H #define ASMARM_SPARSEMEM_H #include <asm/memory.h> /* * Two definitions are required for sparsemem: * * MAX_PHYSMEM_BITS: The number of physical address bits required * to address the last byte of memory. * * SECTION_SIZE_BITS: The number of physical address bits to cover * the maximum amount of memory in a section. * * Eg, if you have 2 banks of up to 64MB at 0x80000000, 0x84000000, * then MAX_PHYSMEM_BITS is 32, SECTION_SIZE_BITS is 26. * * These can be overridden in your mach/memory.h. */ #if !defined(MAX_PHYSMEM_BITS) || !defined(SECTION_SIZE_BITS) #define MAX_PHYSMEM_BITS 36 #define SECTION_SIZE_BITS 28 #endif #endif