1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef ASM_PARISC_SPARSEMEM_H 3*4882a593Smuzhiyun #define ASM_PARISC_SPARSEMEM_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* We have these possible memory map layouts: 6*4882a593Smuzhiyun * Astro: 0-3.75, 67.75-68, 4-64 7*4882a593Smuzhiyun * zx1: 0-1, 257-260, 4-256 8*4882a593Smuzhiyun * Stretch (N-class): 0-2, 4-32, 34-xxx 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #define MAX_PHYSMEM_BITS 39 /* 512 GB */ 12*4882a593Smuzhiyun #define SECTION_SIZE_BITS 27 /* 128 MB */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #endif 15