1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
4 */
5
6 #include <linux/types.h>
7 #include <asm/armv8/mmu.h>
8
9 #include "../init.h"
10
11 static struct mm_region uniphier_mem_map[] = {
12 {
13 .virt = 0x00000000,
14 .phys = 0x00000000,
15 .size = 0x80000000,
16 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
17 PTE_BLOCK_NON_SHARE |
18 PTE_BLOCK_PXN | PTE_BLOCK_UXN
19 },
20 {
21 .virt = 0x80000000,
22 .phys = 0x80000000,
23 .size = 0xc0000000,
24 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
25 PTE_BLOCK_INNER_SHARE
26 },
27 { /* sentinel */ }
28 };
29
30 struct mm_region *mem_map = uniphier_mem_map;
31
uniphier_mem_map_init(unsigned long dram_base,unsigned long dram_size)32 void uniphier_mem_map_init(unsigned long dram_base, unsigned long dram_size)
33 {
34 uniphier_mem_map[0].size = dram_base;
35 uniphier_mem_map[1].virt = dram_base;
36 uniphier_mem_map[1].phys = dram_base;
37 uniphier_mem_map[1].size = dram_size;
38 }
39