1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/arch/unicore32/include/asm/memblock.h 4 * 5 * Code specific to PKUnity SoC and UniCore ISA 6 * 7 * Copyright (C) 2001-2010 GUAN Xue-tao 8 */ 9 10 #ifndef __UNICORE_MEMBLOCK_H__ 11 #define __UNICORE_MEMBLOCK_H__ 12 13 /* 14 * Memory map description 15 */ 16 # define NR_BANKS 8 17 18 struct membank { 19 unsigned long start; 20 unsigned long size; 21 unsigned int highmem; 22 }; 23 24 struct meminfo { 25 int nr_banks; 26 struct membank bank[NR_BANKS]; 27 }; 28 29 extern struct meminfo meminfo; 30 31 #define for_each_bank(iter, mi) \ 32 for (iter = 0; iter < (mi)->nr_banks; iter++) 33 34 #define bank_pfn_start(bank) __phys_to_pfn((bank)->start) 35 #define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) 36 #define bank_pfn_size(bank) ((bank)->size >> PAGE_SHIFT) 37 #define bank_phys_start(bank) ((bank)->start) 38 #define bank_phys_end(bank) ((bank)->start + (bank)->size) 39 #define bank_phys_size(bank) ((bank)->size) 40 41 extern void uc32_memblock_init(struct meminfo *); 42 43 #endif 44