xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-tegra/arm64-mmu.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2014 - 2015 Xilinx, Inc.
3*4882a593Smuzhiyun  * Michal Simek <michal.simek@xilinx.com>
4*4882a593Smuzhiyun  * (This file derived from arch/arm/cpu/armv8/zynqmp/cpu.c)
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <asm/system.h>
13*4882a593Smuzhiyun #include <asm/armv8/mmu.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun static struct mm_region tegra_mem_map[] = {
16*4882a593Smuzhiyun 	{
17*4882a593Smuzhiyun 		.virt = 0x0UL,
18*4882a593Smuzhiyun 		.phys = 0x0UL,
19*4882a593Smuzhiyun 		.size = 0x80000000UL,
20*4882a593Smuzhiyun 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
21*4882a593Smuzhiyun 			 PTE_BLOCK_NON_SHARE |
22*4882a593Smuzhiyun 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
23*4882a593Smuzhiyun 	}, {
24*4882a593Smuzhiyun 		.virt = 0x80000000UL,
25*4882a593Smuzhiyun 		.phys = 0x80000000UL,
26*4882a593Smuzhiyun 		.size = 0x80000000UL,
27*4882a593Smuzhiyun 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
28*4882a593Smuzhiyun 			 PTE_BLOCK_INNER_SHARE
29*4882a593Smuzhiyun 	}, {
30*4882a593Smuzhiyun 		/* List terminator */
31*4882a593Smuzhiyun 		0,
32*4882a593Smuzhiyun 	}
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun struct mm_region *mem_map = tegra_mem_map;
36