1 /* SPDX-License-Identifier: GPL-2.0 */ 1 2 #ifndef ASMARM_SPARSEMEM_H 3 #define ASMARM_SPARSEMEM_H 4 5 #include <asm/page.h> 6 7 /* 8 * Two definitions are required for sparsemem: 9 * 10 * MAX_PHYSMEM_BITS: The number of physical ad 11 * to address the last byte of memory. 12 * 13 * SECTION_SIZE_BITS: The number of physical a 14 * the maximum amount of memory in a section 15 * 16 * Eg, if you have 2 banks of up to 64MB at 0x 17 * then MAX_PHYSMEM_BITS is 32, SECTION_SIZE_B 18 * 19 * These can be overridden in your mach/memory 20 */ 21 #if !defined(MAX_PHYSMEM_BITS) || !defined(SEC 22 #define MAX_PHYSMEM_BITS 36 23 #define SECTION_SIZE_BITS 28 24 #endif 25 26 #endif 27
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