1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * K3: ARM64 MMU setup 4 * 5 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ 6 * Lokesh Vutla <lokeshvutla@ti.com> 7 * (This file is derived from arch/arm/mach-zynqmp/cpu.c) 8 * 9 */ 10 11 #include <common.h> 12 #include <asm/system.h> 13 #include <asm/armv8/mmu.h> 14 15 /* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */ 16 #define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 3) 17 18 /* ToDo: Add 64bit IO */ 19 struct mm_region am654_mem_map[NR_MMU_REGIONS] = { 20 { 21 .virt = 0x0UL, 22 .phys = 0x0UL, 23 .size = 0x80000000UL, 24 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | 25 PTE_BLOCK_NON_SHARE | 26 PTE_BLOCK_PXN | PTE_BLOCK_UXN 27 }, { 28 .virt = 0x80000000UL, 29 .phys = 0x80000000UL, 30 .size = 0x80000000UL, 31 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | 32 PTE_BLOCK_INNER_SHARE 33 }, { 34 .virt = 0x880000000UL, 35 .phys = 0x880000000UL, 36 .size = 0x80000000UL, 37 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | 38 PTE_BLOCK_INNER_SHARE 39 }, { 40 /* List terminator */ 41 0, 42 } 43 }; 44 45 struct mm_region *mem_map = am654_mem_map; 46