Home | History | Annotate | Download | only in aarch64 
      1 /*
      2  * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
      3  *
      4  * SPDX-License-Identifier: BSD-3-Clause
      5  */
      6 
      7 #include <arch_helpers.h>
      8 #include <arm_gic.h>
      9 #include <assert.h>
     10 #include <bl_common.h>
     11 #include <debug.h>
     12 #include <mmio.h>
     13 #include <platform.h>
     14 #include <platform_def.h>
     15 #include <xlat_tables.h>
     16 
     17 #include "../hikey960_def.h"
     18 #include "../hikey960_private.h"
     19 
     20 #define MAP_DDR		MAP_REGION_FLAT(DDR_BASE,			\
     21 					DDR_SIZE,			\
     22 					MT_MEMORY | MT_RW | MT_NS)
     23 
     24 #define MAP_DEVICE	MAP_REGION_FLAT(DEVICE_BASE,			\
     25 					DEVICE_SIZE,			\
     26 					MT_DEVICE | MT_RW | MT_SECURE)
     27 
     28 #define MAP_BL1_RW	MAP_REGION_FLAT(BL1_RW_BASE,			\
     29 					BL1_RW_LIMIT - BL1_RW_BASE,	\
     30 					MT_MEMORY | MT_RW | MT_NS)
     31 
     32 #define MAP_UFS_DATA	MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE,		\
     33 					HIKEY960_UFS_DATA_SIZE,		\
     34 					MT_MEMORY | MT_RW | MT_NS)
     35 
     36 #define MAP_UFS_DESC	MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE,		\
     37 					HIKEY960_UFS_DESC_SIZE,		\
     38 					MT_MEMORY | MT_RW | MT_NS)
     39 
     40 #define MAP_TSP_MEM	MAP_REGION_FLAT(TSP_SEC_MEM_BASE,		\
     41 					TSP_SEC_MEM_SIZE,		\
     42 					MT_MEMORY | MT_RW | MT_SECURE)
     43 
     44 #if LOAD_IMAGE_V2
     45 #ifdef SPD_opteed
     46 #define MAP_OPTEE_PAGEABLE	MAP_REGION_FLAT(		\
     47 					HIKEY960_OPTEE_PAGEABLE_LOAD_BASE,	\
     48 					HIKEY960_OPTEE_PAGEABLE_LOAD_SIZE,	\
     49 					MT_MEMORY | MT_RW | MT_SECURE)
     50 #endif
     51 #endif
     52 
     53 /*
     54  * Table of regions for different BL stages to map using the MMU.
     55  * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
     56  * hikey960_init_mmu_elx() will give the available subset of that,
     57  */
     58 #ifdef IMAGE_BL1
     59 static const mmap_region_t hikey960_mmap[] = {
     60 	MAP_UFS_DATA,
     61 	MAP_BL1_RW,
     62 	MAP_UFS_DESC,
     63 	MAP_DEVICE,
     64 	{0}
     65 };
     66 #endif
     67 
     68 #ifdef IMAGE_BL2
     69 static const mmap_region_t hikey960_mmap[] = {
     70 	MAP_DDR,
     71 	MAP_DEVICE,
     72 	MAP_TSP_MEM,
     73 #if LOAD_IMAGE_V2
     74 #ifdef SPD_opteed
     75 	MAP_OPTEE_PAGEABLE,
     76 #endif
     77 #endif
     78 	{0}
     79 };
     80 #endif
     81 
     82 #ifdef IMAGE_BL31
     83 static const mmap_region_t hikey960_mmap[] = {
     84 	MAP_DEVICE,
     85 	MAP_TSP_MEM,
     86 	{0}
     87 };
     88 #endif
     89 
     90 #ifdef IMAGE_BL32
     91 static const mmap_region_t hikey960_mmap[] = {
     92 	MAP_DEVICE,
     93 	MAP_DDR,
     94 	{0}
     95 };
     96 #endif
     97 
     98 /*
     99  * Macro generating the code for the function setting up the pagetables as per
    100  * the platform memory map & initialize the mmu, for the given exception level
    101  */
    102 #define HIKEY960_CONFIGURE_MMU_EL(_el)					\
    103 	void hikey960_init_mmu_el##_el(unsigned long total_base,	\
    104 				unsigned long total_size,		\
    105 				unsigned long ro_start,			\
    106 				unsigned long ro_limit,			\
    107 				unsigned long coh_start,		\
    108 				unsigned long coh_limit)		\
    109 	{								\
    110 	       mmap_add_region(total_base, total_base,			\
    111 			       total_size,				\
    112 			       MT_MEMORY | MT_RW | MT_SECURE);		\
    113 	       mmap_add_region(ro_start, ro_start,			\
    114 			       ro_limit - ro_start,			\
    115 			       MT_MEMORY | MT_RO | MT_SECURE);		\
    116 	       mmap_add_region(coh_start, coh_start,			\
    117 			       coh_limit - coh_start,			\
    118 			       MT_DEVICE | MT_RW | MT_SECURE);		\
    119 	       mmap_add(hikey960_mmap);					\
    120 	       init_xlat_tables();					\
    121 									\
    122 	       enable_mmu_el##_el(0);					\
    123 	}
    124 
    125 /* Define EL1 and EL3 variants of the function initialising the MMU */
    126 HIKEY960_CONFIGURE_MMU_EL(1)
    127 HIKEY960_CONFIGURE_MMU_EL(3)
    128 
    129 unsigned long plat_get_ns_image_entrypoint(void)
    130 {
    131 	return NS_BL1U_BASE;
    132 }
    133 
    134 unsigned int plat_get_syscnt_freq2(void)
    135 {
    136 	return 1920000;
    137 }
    138