1 /* 2 * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch.h> 8 #include <assert.h> 9 #include <bl_common.h> 10 #include <console.h> 11 #include <debug.h> 12 #include <errno.h> 13 #include <mmio.h> 14 #include <platform.h> 15 #include <platform_def.h> 16 #include <xlat_mmu_helpers.h> 17 18 #include "uniphier.h" 19 20 #define BL31_SIZE ((BL31_END) - (BL31_BASE)) 21 22 static entry_point_info_t bl32_image_ep_info; 23 static entry_point_info_t bl33_image_ep_info; 24 25 entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) 26 { 27 assert(sec_state_is_valid(type)); 28 return type == NON_SECURE ? &bl33_image_ep_info : &bl32_image_ep_info; 29 } 30 31 void bl31_early_platform_setup(void *from_bl2, void *plat_params_from_bl2) 32 { 33 bl_params_node_t *bl_params = ((bl_params_t *)from_bl2)->head; 34 35 uniphier_console_setup(); 36 37 while (bl_params) { 38 if (bl_params->image_id == BL32_IMAGE_ID) 39 bl32_image_ep_info = *bl_params->ep_info; 40 41 if (bl_params->image_id == BL33_IMAGE_ID) 42 bl33_image_ep_info = *bl_params->ep_info; 43 44 bl_params = bl_params->next_params_info; 45 } 46 47 if (bl33_image_ep_info.pc == 0) 48 panic(); 49 } 50 51 #define UNIPHIER_SYS_CNTCTL_BASE 0x60E00000 52 53 void bl31_platform_setup(void) 54 { 55 unsigned int soc; 56 57 soc = uniphier_get_soc_id(); 58 if (soc == UNIPHIER_SOC_UNKNOWN) { 59 ERROR("unsupported SoC\n"); 60 plat_error_handler(-ENOTSUP); 61 } 62 63 uniphier_cci_init(soc); 64 uniphier_cci_enable(); 65 66 /* Initialize the GIC driver, cpu and distributor interfaces */ 67 uniphier_gic_driver_init(soc); 68 uniphier_gic_init(); 69 70 /* Enable and initialize the System level generic timer */ 71 mmio_write_32(UNIPHIER_SYS_CNTCTL_BASE + CNTCR_OFF, 72 CNTCR_FCREQ(0U) | CNTCR_EN); 73 } 74 75 void bl31_plat_arch_setup(void) 76 { 77 uniphier_mmap_setup(BL31_BASE, BL31_SIZE, NULL); 78 enable_mmu_el3(0); 79 } 80 81 void bl31_plat_runtime_setup(void) 82 { 83 /* Suppress any runtime logs unless DEBUG is defined */ 84 #if !DEBUG 85 console_uninit(); 86 #endif 87 } 88