1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef ASM_PARISC_SPARSEMEM_H 3 #define ASM_PARISC_SPARSEMEM_H 4 5 /* We have these possible memory map layouts: 6 * Astro: 0-3.75, 67.75-68, 4-64 7 * zx1: 0-1, 257-260, 4-256 8 * Stretch (N-class): 0-2, 4-32, 34-xxx 9 */ 10 11 #define MAX_PHYSMEM_BITS 39 /* 512 GB */ 12 #define SECTION_SIZE_BITS 27 /* 128 MB */ 13 14 #endif 15