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_setup2(u_register_t arg0, u_register_t arg1, 32 u_register_t arg2, u_register_t arg3) 33 { 34 void *from_bl2; 35 36 from_bl2 = (void *) arg0; 37 38 bl_params_node_t *bl_params = ((bl_params_t *)from_bl2)->head; 39 40 uniphier_console_setup(); 41 42 while (bl_params) { 43 if (bl_params->image_id == BL32_IMAGE_ID) 44 bl32_image_ep_info = *bl_params->ep_info; 45 46 if (bl_params->image_id == BL33_IMAGE_ID) 47 bl33_image_ep_info = *bl_params->ep_info; 48 49 bl_params = bl_params->next_params_info; 50 } 51 52 if (bl33_image_ep_info.pc == 0) 53 panic(); 54 } 55 56 #define UNIPHIER_SYS_CNTCTL_BASE 0x60E00000 57 58 void bl31_platform_setup(void) 59 { 60 unsigned int soc; 61 62 soc = uniphier_get_soc_id(); 63 if (soc == UNIPHIER_SOC_UNKNOWN) { 64 ERROR("unsupported SoC\n"); 65 plat_error_handler(-ENOTSUP); 66 } 67 68 uniphier_cci_init(soc); 69 uniphier_cci_enable(); 70 71 /* Initialize the GIC driver, cpu and distributor interfaces */ 72 uniphier_gic_driver_init(soc); 73 uniphier_gic_init(); 74 75 /* Enable and initialize the System level generic timer */ 76 mmio_write_32(UNIPHIER_SYS_CNTCTL_BASE + CNTCR_OFF, 77 CNTCR_FCREQ(0U) | CNTCR_EN); 78 } 79 80 void bl31_plat_arch_setup(void) 81 { 82 uniphier_mmap_setup(BL31_BASE, BL31_SIZE, NULL); 83 enable_mmu_el3(0); 84 } 85 86 void bl31_plat_runtime_setup(void) 87 { 88 /* Suppress any runtime logs unless DEBUG is defined */ 89 #if !DEBUG 90 console_uninit(); 91 #endif 92 } 93