1*d8e919c7SMasahiro Yamada /* 2*d8e919c7SMasahiro Yamada * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. 3*d8e919c7SMasahiro Yamada * 4*d8e919c7SMasahiro Yamada * SPDX-License-Identifier: BSD-3-Clause 5*d8e919c7SMasahiro Yamada */ 6*d8e919c7SMasahiro Yamada 7*d8e919c7SMasahiro Yamada #include <bl_common.h> 8*d8e919c7SMasahiro Yamada #include <debug.h> 9*d8e919c7SMasahiro Yamada #include <desc_image_load.h> 10*d8e919c7SMasahiro Yamada #include <errno.h> 11*d8e919c7SMasahiro Yamada #include <io/io_storage.h> 12*d8e919c7SMasahiro Yamada #include <platform.h> 13*d8e919c7SMasahiro Yamada #include <platform_def.h> 14*d8e919c7SMasahiro Yamada #include <xlat_tables_v2.h> 15*d8e919c7SMasahiro Yamada 16*d8e919c7SMasahiro Yamada #include "uniphier.h" 17*d8e919c7SMasahiro Yamada 18*d8e919c7SMasahiro Yamada static meminfo_t uniphier_bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE); 19*d8e919c7SMasahiro Yamada static int uniphier_bl2_kick_scp; 20*d8e919c7SMasahiro Yamada 21*d8e919c7SMasahiro Yamada void bl2_early_platform_setup(meminfo_t *mem_layout) 22*d8e919c7SMasahiro Yamada { 23*d8e919c7SMasahiro Yamada uniphier_bl2_tzram_layout = *mem_layout; 24*d8e919c7SMasahiro Yamada 25*d8e919c7SMasahiro Yamada uniphier_console_setup(); 26*d8e919c7SMasahiro Yamada } 27*d8e919c7SMasahiro Yamada 28*d8e919c7SMasahiro Yamada static const struct mmap_region uniphier_bl2_mmap[] = { 29*d8e919c7SMasahiro Yamada /* for SCP, BL33 */ 30*d8e919c7SMasahiro Yamada MAP_REGION_FLAT(UNIPHIER_NS_DRAM_BASE, UNIPHIER_NS_DRAM_SIZE, 31*d8e919c7SMasahiro Yamada MT_MEMORY | MT_RW | MT_NS), 32*d8e919c7SMasahiro Yamada { .size = 0 }, 33*d8e919c7SMasahiro Yamada }; 34*d8e919c7SMasahiro Yamada 35*d8e919c7SMasahiro Yamada void bl2_plat_arch_setup(void) 36*d8e919c7SMasahiro Yamada { 37*d8e919c7SMasahiro Yamada unsigned int soc; 38*d8e919c7SMasahiro Yamada int skip_scp = 0; 39*d8e919c7SMasahiro Yamada int ret; 40*d8e919c7SMasahiro Yamada 41*d8e919c7SMasahiro Yamada uniphier_mmap_setup(UNIPHIER_SEC_DRAM_BASE, UNIPHIER_SEC_DRAM_SIZE, 42*d8e919c7SMasahiro Yamada uniphier_bl2_mmap); 43*d8e919c7SMasahiro Yamada enable_mmu_el1(0); 44*d8e919c7SMasahiro Yamada 45*d8e919c7SMasahiro Yamada soc = uniphier_get_soc_id(); 46*d8e919c7SMasahiro Yamada if (soc == UNIPHIER_SOC_UNKNOWN) { 47*d8e919c7SMasahiro Yamada ERROR("unsupported SoC\n"); 48*d8e919c7SMasahiro Yamada plat_error_handler(-ENOTSUP); 49*d8e919c7SMasahiro Yamada } 50*d8e919c7SMasahiro Yamada 51*d8e919c7SMasahiro Yamada ret = uniphier_io_setup(soc); 52*d8e919c7SMasahiro Yamada if (ret) { 53*d8e919c7SMasahiro Yamada ERROR("failed to setup io devices\n"); 54*d8e919c7SMasahiro Yamada plat_error_handler(ret); 55*d8e919c7SMasahiro Yamada } 56*d8e919c7SMasahiro Yamada 57*d8e919c7SMasahiro Yamada switch (uniphier_get_boot_master(soc)) { 58*d8e919c7SMasahiro Yamada case UNIPHIER_BOOT_MASTER_THIS: 59*d8e919c7SMasahiro Yamada INFO("Booting from this SoC\n"); 60*d8e919c7SMasahiro Yamada skip_scp = 1; 61*d8e919c7SMasahiro Yamada break; 62*d8e919c7SMasahiro Yamada case UNIPHIER_BOOT_MASTER_SCP: 63*d8e919c7SMasahiro Yamada INFO("Booting from on-chip SCP\n"); 64*d8e919c7SMasahiro Yamada if (uniphier_scp_is_running()) { 65*d8e919c7SMasahiro Yamada INFO("SCP is already running. SCP_BL2 load will be skipped.\n"); 66*d8e919c7SMasahiro Yamada skip_scp = 1; 67*d8e919c7SMasahiro Yamada } 68*d8e919c7SMasahiro Yamada 69*d8e919c7SMasahiro Yamada /* 70*d8e919c7SMasahiro Yamada * SCP must be kicked every time even if it is already running 71*d8e919c7SMasahiro Yamada * because it polls this event after the reboot of the backend. 72*d8e919c7SMasahiro Yamada */ 73*d8e919c7SMasahiro Yamada uniphier_bl2_kick_scp = 1; 74*d8e919c7SMasahiro Yamada break; 75*d8e919c7SMasahiro Yamada case UNIPHIER_BOOT_MASTER_EXT: 76*d8e919c7SMasahiro Yamada INFO("Booting from external SCP\n"); 77*d8e919c7SMasahiro Yamada skip_scp = 1; 78*d8e919c7SMasahiro Yamada break; 79*d8e919c7SMasahiro Yamada default: 80*d8e919c7SMasahiro Yamada plat_error_handler(-ENOTSUP); 81*d8e919c7SMasahiro Yamada } 82*d8e919c7SMasahiro Yamada 83*d8e919c7SMasahiro Yamada if (!skip_scp) { 84*d8e919c7SMasahiro Yamada ret = uniphier_check_image(SCP_BL2_IMAGE_ID); 85*d8e919c7SMasahiro Yamada if (ret) { 86*d8e919c7SMasahiro Yamada WARN("SCP_BL2 image not found. SCP_BL2 load will be skipped.\n"); 87*d8e919c7SMasahiro Yamada WARN("You must setup SCP by other means.\n"); 88*d8e919c7SMasahiro Yamada skip_scp = 1; 89*d8e919c7SMasahiro Yamada uniphier_bl2_kick_scp = 0; 90*d8e919c7SMasahiro Yamada } 91*d8e919c7SMasahiro Yamada } 92*d8e919c7SMasahiro Yamada 93*d8e919c7SMasahiro Yamada if (skip_scp) 94*d8e919c7SMasahiro Yamada uniphier_image_descs_fixup(); 95*d8e919c7SMasahiro Yamada } 96*d8e919c7SMasahiro Yamada 97*d8e919c7SMasahiro Yamada void bl2_platform_setup(void) 98*d8e919c7SMasahiro Yamada { 99*d8e919c7SMasahiro Yamada } 100*d8e919c7SMasahiro Yamada 101*d8e919c7SMasahiro Yamada void plat_flush_next_bl_params(void) 102*d8e919c7SMasahiro Yamada { 103*d8e919c7SMasahiro Yamada flush_bl_params_desc(); 104*d8e919c7SMasahiro Yamada } 105*d8e919c7SMasahiro Yamada 106*d8e919c7SMasahiro Yamada bl_load_info_t *plat_get_bl_image_load_info(void) 107*d8e919c7SMasahiro Yamada { 108*d8e919c7SMasahiro Yamada return get_bl_load_info_from_mem_params_desc(); 109*d8e919c7SMasahiro Yamada } 110*d8e919c7SMasahiro Yamada 111*d8e919c7SMasahiro Yamada bl_params_t *plat_get_next_bl_params(void) 112*d8e919c7SMasahiro Yamada { 113*d8e919c7SMasahiro Yamada return get_next_bl_params_from_mem_params_desc(); 114*d8e919c7SMasahiro Yamada } 115*d8e919c7SMasahiro Yamada 116*d8e919c7SMasahiro Yamada int bl2_plat_handle_post_image_load(unsigned int image_id) 117*d8e919c7SMasahiro Yamada { 118*d8e919c7SMasahiro Yamada if (image_id == SCP_BL2_IMAGE_ID && uniphier_bl2_kick_scp) 119*d8e919c7SMasahiro Yamada uniphier_scp_start(); 120*d8e919c7SMasahiro Yamada 121*d8e919c7SMasahiro Yamada return 0; 122*d8e919c7SMasahiro Yamada } 123