1 /* 2 * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. 3 * Copyright (c) 2019, Intel Corporation. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #include <arch.h> 9 #include <arch_helpers.h> 10 #include <assert.h> 11 #include <common/bl_common.h> 12 #include <drivers/arm/gicv2.h> 13 #include <drivers/ti/uart/uart_16550.h> 14 #include <lib/xlat_tables/xlat_tables.h> 15 #include <lib/mmio.h> 16 #include <plat/common/platform.h> 17 #include <platform_def.h> 18 19 #include "socfpga_private.h" 20 #include "s10_reset_manager.h" 21 #include "s10_memory_controller.h" 22 #include "s10_pinmux.h" 23 #include "s10_clock_manager.h" 24 #include "s10_system_manager.h" 25 26 static entry_point_info_t bl32_image_ep_info; 27 static entry_point_info_t bl33_image_ep_info; 28 29 entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) 30 { 31 entry_point_info_t *next_image_info; 32 33 next_image_info = (type == NON_SECURE) ? 34 &bl33_image_ep_info : &bl32_image_ep_info; 35 36 /* None of the images on this platform can have 0x0 as the entrypoint */ 37 if (next_image_info->pc) 38 return next_image_info; 39 else 40 return NULL; 41 } 42 43 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, 44 u_register_t arg2, u_register_t arg3) 45 { 46 static console_16550_t console; 47 48 console_16550_register(PLAT_UART0_BASE, PLAT_UART_CLOCK, PLAT_BAUDRATE, 49 &console); 50 /* 51 * Check params passed from BL31 should not be NULL, 52 */ 53 void *from_bl2 = (void *) arg0; 54 55 bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2; 56 assert(params_from_bl2 != NULL); 57 58 /* 59 * Copy BL32 (if populated by BL31) and BL33 entry point information. 60 * They are stored in Secure RAM, in BL31's address space. 61 */ 62 63 if (params_from_bl2->h.type == PARAM_BL_PARAMS && 64 params_from_bl2->h.version >= VERSION_2) { 65 66 bl_params_node_t *bl_params = params_from_bl2->head; 67 68 while (bl_params) { 69 if (bl_params->image_id == BL33_IMAGE_ID) 70 bl33_image_ep_info = *bl_params->ep_info; 71 72 bl_params = bl_params->next_params_info; 73 } 74 } else { 75 struct socfpga_bl31_params *arg_from_bl2 = 76 (struct socfpga_bl31_params *) from_bl2; 77 78 assert(arg_from_bl2->h.type == PARAM_BL31); 79 assert(arg_from_bl2->h.version >= VERSION_1); 80 81 bl32_image_ep_info = *arg_from_bl2->bl32_ep_info; 82 bl33_image_ep_info = *arg_from_bl2->bl33_ep_info; 83 } 84 SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); 85 } 86 87 static const interrupt_prop_t s10_interrupt_props[] = { 88 PLAT_INTEL_SOCFPGA_G1S_IRQ_PROPS(GICV2_INTR_GROUP0), 89 PLAT_INTEL_SOCFPGA_G0_IRQ_PROPS(GICV2_INTR_GROUP0) 90 }; 91 92 static unsigned int target_mask_array[PLATFORM_CORE_COUNT]; 93 94 static const gicv2_driver_data_t plat_gicv2_gic_data = { 95 .gicd_base = PLAT_INTEL_SOCFPGA_GICD_BASE, 96 .gicc_base = PLAT_INTEL_SOCFPGA_GICC_BASE, 97 .interrupt_props = s10_interrupt_props, 98 .interrupt_props_num = ARRAY_SIZE(s10_interrupt_props), 99 .target_masks = target_mask_array, 100 .target_masks_num = ARRAY_SIZE(target_mask_array), 101 }; 102 103 /******************************************************************************* 104 * Perform any BL3-1 platform setup code 105 ******************************************************************************/ 106 void bl31_platform_setup(void) 107 { 108 /* Initialize the gic cpu and distributor interfaces */ 109 gicv2_driver_init(&plat_gicv2_gic_data); 110 gicv2_distif_init(); 111 gicv2_pcpu_distif_init(); 112 gicv2_cpuif_enable(); 113 114 /* Signal secondary CPUs to jump to BL31 (BL2 = U-boot SPL) */ 115 mmio_write_64(PLAT_CPU_RELEASE_ADDR, 116 (uint64_t)plat_secondary_cpus_bl31_entry); 117 } 118 119 const mmap_region_t plat_stratix10_mmap[] = { 120 MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE, 121 MT_MEMORY | MT_RW | MT_NS), 122 MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, 123 MT_DEVICE | MT_RW | MT_NS), 124 MAP_REGION_FLAT(DEVICE2_BASE, DEVICE2_SIZE, 125 MT_DEVICE | MT_RW | MT_SECURE), 126 MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE, 127 MT_NON_CACHEABLE | MT_RW | MT_SECURE), 128 MAP_REGION_FLAT(DEVICE3_BASE, DEVICE3_SIZE, 129 MT_DEVICE | MT_RW | MT_SECURE), 130 MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE, 131 MT_DEVICE | MT_RW | MT_NS), 132 MAP_REGION_FLAT(DEVICE4_BASE, DEVICE4_SIZE, 133 MT_DEVICE | MT_RW | MT_NS), 134 {0} 135 }; 136 137 /******************************************************************************* 138 * Perform the very early platform specific architectural setup here. At the 139 * moment this is only intializes the mmu in a quick and dirty way. 140 ******************************************************************************/ 141 void bl31_plat_arch_setup(void) 142 { 143 const mmap_region_t bl_regions[] = { 144 MAP_REGION_FLAT(BL31_BASE, BL31_END - BL31_BASE, 145 MT_MEMORY | MT_RW | MT_SECURE), 146 MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, 147 MT_CODE | MT_SECURE), 148 MAP_REGION_FLAT(BL_RO_DATA_BASE, 149 BL_RO_DATA_END - BL_RO_DATA_BASE, 150 MT_RO_DATA | MT_SECURE), 151 #if USE_COHERENT_MEM 152 MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, 153 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, 154 MT_DEVICE | MT_RW | MT_SECURE), 155 #endif 156 {0} 157 }; 158 159 setup_page_tables(bl_regions, plat_stratix10_mmap); 160 enable_mmu_el3(0); 161 } 162 163