1 /*
2 * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <platform_def.h>
8
9 #include <arch_helpers.h>
10 #include <common/bl_common.h>
11 #include <common/debug.h>
12 #include <drivers/arm/cci.h>
13 #include <lib/utils.h>
14 #include <lib/xlat_tables/xlat_tables.h>
15
16 #include <mt8173_def.h>
17
18 static const int cci_map[] = {
19 PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX,
20 PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX
21 };
22
23 /* Table of regions to map using the MMU. */
24 const mmap_region_t plat_mmap[] = {
25 /* for TF text, RO, RW */
26 MAP_REGION_FLAT(TZRAM_BASE, TZRAM_SIZE,
27 MT_MEMORY | MT_RW | MT_SECURE),
28 MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
29 MT_DEVICE | MT_RW | MT_SECURE),
30 MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
31 MT_DEVICE | MT_RW | MT_SECURE),
32 { 0 }
33
34 };
35
36 /*******************************************************************************
37 * Macro generating the code for the function setting up the pagetables as per
38 * the platform memory map & initialize the mmu, for the given exception level
39 ******************************************************************************/
40 #define DEFINE_CONFIGURE_MMU_EL(_el) \
41 void plat_configure_mmu_el ## _el(unsigned long total_base, \
42 unsigned long total_size, \
43 unsigned long ro_start, \
44 unsigned long ro_limit, \
45 unsigned long coh_start, \
46 unsigned long coh_limit) \
47 { \
48 mmap_add_region(total_base, total_base, \
49 total_size, \
50 MT_MEMORY | MT_RW | MT_SECURE); \
51 mmap_add_region(ro_start, ro_start, \
52 ro_limit - ro_start, \
53 MT_MEMORY | MT_RO | MT_SECURE); \
54 mmap_add_region(coh_start, coh_start, \
55 coh_limit - coh_start, \
56 MT_DEVICE | MT_RW | MT_SECURE); \
57 mmap_add(plat_mmap); \
58 init_xlat_tables(); \
59 \
60 enable_mmu_el ## _el(0); \
61 }
62
63 /* Define EL3 variants of the function initialising the MMU */
64 DEFINE_CONFIGURE_MMU_EL(3)
65
plat_get_syscnt_freq2(void)66 unsigned int plat_get_syscnt_freq2(void)
67 {
68 return SYS_COUNTER_FREQ_IN_TICKS;
69 }
70
plat_cci_init(void)71 void plat_cci_init(void)
72 {
73 /* Initialize CCI driver */
74 cci_init(PLAT_MT_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
75 }
76
plat_cci_enable(void)77 void plat_cci_enable(void)
78 {
79 /*
80 * Enable CCI coherency for this cluster.
81 * No need for locks as no other cpu is active at the moment.
82 */
83 cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
84 }
85
plat_cci_disable(void)86 void plat_cci_disable(void)
87 {
88 cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
89 }
90