1 /*
2 * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8
9 #include <platform_def.h>
10
11 #include <common/debug.h>
12 #include <lib/xlat_tables/xlat_tables_v2.h>
13 #include <plat/common/platform.h>
14
15 #include "uniphier.h"
16
17 struct uniphier_reg_region {
18 uintptr_t base;
19 size_t size;
20 };
21
22 static const struct uniphier_reg_region uniphier_reg_region[] = {
23 [UNIPHIER_SOC_LD11] = {
24 .base = 0x50000000UL,
25 .size = 0x20000000UL,
26 },
27 [UNIPHIER_SOC_LD20] = {
28 .base = 0x50000000UL,
29 .size = 0x20000000UL,
30 },
31 [UNIPHIER_SOC_PXS3] = {
32 .base = 0x50000000UL,
33 .size = 0x20000000UL,
34 },
35 };
36
uniphier_mmap_setup(unsigned int soc)37 void uniphier_mmap_setup(unsigned int soc)
38 {
39 VERBOSE("Trusted RAM seen by this BL image: %p - %p\n",
40 (void *)BL_CODE_BASE, (void *)BL_END);
41 mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
42 round_up(BL_END, PAGE_SIZE) - BL_CODE_BASE,
43 MT_MEMORY | MT_RW | MT_SECURE);
44
45 /* remap the code section */
46 VERBOSE("Code region: %p - %p\n",
47 (void *)BL_CODE_BASE, (void *)BL_CODE_END);
48 mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
49 round_up(BL_CODE_END, PAGE_SIZE) - BL_CODE_BASE,
50 MT_CODE | MT_SECURE);
51
52 /* remap the coherent memory region */
53 VERBOSE("Coherent region: %p - %p\n",
54 (void *)BL_COHERENT_RAM_BASE, (void *)BL_COHERENT_RAM_END);
55 mmap_add_region(BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_BASE,
56 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
57 MT_DEVICE | MT_RW | MT_SECURE);
58
59 /* register region */
60 assert(soc < ARRAY_SIZE(uniphier_reg_region));
61 mmap_add_region(uniphier_reg_region[soc].base,
62 uniphier_reg_region[soc].base,
63 uniphier_reg_region[soc].size,
64 MT_DEVICE | MT_RW | MT_SECURE);
65
66 init_xlat_tables();
67
68 enable_mmu(0);
69
70 #if PLAT_RO_XLAT_TABLES
71 {
72 int ret;
73
74 ret = xlat_make_tables_readonly();
75 if (ret) {
76 ERROR("Failed to make translation tables read-only.");
77 plat_error_handler(ret);
78 }
79 }
80 #endif
81 }
82