1 /*
2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <debug.h>
8 #include <platform_def.h>
9 #include <xlat_tables_v2.h>
10
11 #define UNIPHIER_OCM_REGION_BASE 0x30000000
12 #define UNIPHIER_OCM_REGION_SIZE 0x00040000
13
14 #define UNIPHIER_REG_REGION_BASE 0x50000000
15 #define UNIPHIER_REG_REGION_SIZE 0x20000000
16
uniphier_mmap_setup(uintptr_t total_base,size_t total_size,const struct mmap_region * mmap)17 void uniphier_mmap_setup(uintptr_t total_base, size_t total_size,
18 const struct mmap_region *mmap)
19 {
20 VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
21 (void *)total_base, (void *)(total_base + total_size));
22 mmap_add_region(total_base, total_base,
23 total_size,
24 MT_MEMORY | MT_RW | MT_SECURE);
25
26 /* remap the code section */
27 VERBOSE("Code region: %p - %p\n",
28 (void *)BL_CODE_BASE, (void *)BL_CODE_END);
29 mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
30 round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
31 MT_CODE | MT_SECURE);
32
33 /* remap the coherent memory region */
34 VERBOSE("Coherent region: %p - %p\n",
35 (void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
36 mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
37 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
38 MT_DEVICE | MT_RW | MT_SECURE);
39
40 /*
41 * on-chip SRAM region: should be DEVICE attribute because the USB
42 * load functions provided by the ROM use this memory region as a work
43 * area, but do not cater to cache coherency.
44 */
45 mmap_add_region(UNIPHIER_OCM_REGION_BASE, UNIPHIER_OCM_REGION_BASE,
46 UNIPHIER_OCM_REGION_SIZE,
47 MT_DEVICE | MT_RW | MT_SECURE);
48
49 /* register region */
50 mmap_add_region(UNIPHIER_REG_REGION_BASE, UNIPHIER_REG_REGION_BASE,
51 UNIPHIER_REG_REGION_SIZE,
52 MT_DEVICE | MT_RW | MT_SECURE);
53
54 /* additional regions if needed */
55 if (mmap)
56 mmap_add(mmap);
57
58 init_xlat_tables();
59 }
60