1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <assert.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <arch.h> 10*91f16700Schasinglulu #include <arch_helpers.h> 11*91f16700Schasinglulu #include <common/debug.h> 12*91f16700Schasinglulu #include <plat/common/platform.h> 13*91f16700Schasinglulu 14*91f16700Schasinglulu #include <plat_brcm.h> 15*91f16700Schasinglulu #include <platform_def.h> 16*91f16700Schasinglulu 17*91f16700Schasinglulu /* Weak definitions may be overridden in specific BRCM platform */ 18*91f16700Schasinglulu #pragma weak plat_get_ns_image_entrypoint 19*91f16700Schasinglulu #pragma weak plat_brcm_get_mmap 20*91f16700Schasinglulu 21*91f16700Schasinglulu uintptr_t plat_get_ns_image_entrypoint(void) 22*91f16700Schasinglulu { 23*91f16700Schasinglulu #ifdef PRELOADED_BL33_BASE 24*91f16700Schasinglulu return PRELOADED_BL33_BASE; 25*91f16700Schasinglulu #else 26*91f16700Schasinglulu return PLAT_BRCM_NS_IMAGE_OFFSET; 27*91f16700Schasinglulu #endif 28*91f16700Schasinglulu } 29*91f16700Schasinglulu 30*91f16700Schasinglulu uint32_t brcm_get_spsr_for_bl32_entry(void) 31*91f16700Schasinglulu { 32*91f16700Schasinglulu /* 33*91f16700Schasinglulu * The Secure Payload Dispatcher service is responsible for 34*91f16700Schasinglulu * setting the SPSR prior to entry into the BL32 image. 35*91f16700Schasinglulu */ 36*91f16700Schasinglulu return 0; 37*91f16700Schasinglulu } 38*91f16700Schasinglulu 39*91f16700Schasinglulu uint32_t brcm_get_spsr_for_bl33_entry(void) 40*91f16700Schasinglulu { 41*91f16700Schasinglulu unsigned int mode; 42*91f16700Schasinglulu uint32_t spsr; 43*91f16700Schasinglulu 44*91f16700Schasinglulu /* Figure out what mode we enter the non-secure world in */ 45*91f16700Schasinglulu mode = el_implemented(2) ? MODE_EL2 : MODE_EL1; 46*91f16700Schasinglulu 47*91f16700Schasinglulu /* 48*91f16700Schasinglulu * TODO: Consider the possibility of specifying the SPSR in 49*91f16700Schasinglulu * the FIP ToC and allowing the platform to have a say as 50*91f16700Schasinglulu * well. 51*91f16700Schasinglulu */ 52*91f16700Schasinglulu spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); 53*91f16700Schasinglulu return spsr; 54*91f16700Schasinglulu } 55*91f16700Schasinglulu 56*91f16700Schasinglulu const mmap_region_t *plat_brcm_get_mmap(void) 57*91f16700Schasinglulu { 58*91f16700Schasinglulu return plat_brcm_mmap; 59*91f16700Schasinglulu } 60