1 /* 2 * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch.h> 8 #include <arch_helpers.h> 9 #include <drivers/arm/gicv2.h> 10 11 #include <drivers/generic_delay_timer.h> 12 #include <drivers/console.h> 13 #include <drivers/ti/uart/uart_16550.h> 14 #include <common/bl_common.h> 15 #include <common/debug.h> 16 #include <common/desc_image_load.h> 17 #include <errno.h> 18 #include <drivers/io/io_storage.h> 19 #include <common/image_decompress.h> 20 #include <plat/common/platform.h> 21 #include <platform_def.h> 22 #include <platform_private.h> 23 #include <drivers/synopsys/dw_mmc.h> 24 #include <lib/mmio.h> 25 #include <lib/xlat_tables/xlat_tables.h> 26 27 #include "s10_memory_controller.h" 28 #include "s10_reset_manager.h" 29 #include "s10_clock_manager.h" 30 #include "s10_handoff.h" 31 #include "s10_pinmux.h" 32 #include "aarch64/stratix10_private.h" 33 #include "include/s10_mailbox.h" 34 #include "drivers/qspi/cadence_qspi.h" 35 36 37 const mmap_region_t plat_stratix10_mmap[] = { 38 MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE, 39 MT_MEMORY | MT_RW | MT_NS), 40 MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, 41 MT_DEVICE | MT_RW | MT_NS), 42 MAP_REGION_FLAT(DEVICE2_BASE, DEVICE2_SIZE, 43 MT_DEVICE | MT_RW | MT_SECURE), 44 MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE, 45 MT_NON_CACHEABLE | MT_RW | MT_SECURE), 46 MAP_REGION_FLAT(DEVICE3_BASE, DEVICE3_SIZE, 47 MT_DEVICE | MT_RW | MT_SECURE), 48 MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE, 49 MT_DEVICE | MT_RW | MT_NS), 50 MAP_REGION_FLAT(DEVICE4_BASE, DEVICE4_SIZE, 51 MT_DEVICE | MT_RW | MT_NS), 52 {0}, 53 }; 54 55 boot_source_type boot_source; 56 57 void bl2_el3_early_platform_setup(u_register_t x0, u_register_t x1, 58 u_register_t x2, u_register_t x4) 59 { 60 static console_16550_t console; 61 handoff reverse_handoff_ptr; 62 63 generic_delay_timer_init(); 64 65 if (s10_get_handoff(&reverse_handoff_ptr)) 66 return; 67 config_pinmux(&reverse_handoff_ptr); 68 boot_source = reverse_handoff_ptr.boot_source; 69 70 config_clkmgr_handoff(&reverse_handoff_ptr); 71 enable_nonsecure_access(); 72 deassert_peripheral_reset(); 73 config_hps_hs_before_warm_reset(); 74 75 console_16550_register(PLAT_UART0_BASE, PLAT_UART_CLOCK, PLAT_BAUDRATE, 76 &console); 77 78 plat_delay_timer_init(); 79 init_hard_memory_controller(); 80 } 81 82 83 void bl2_el3_plat_arch_setup(void) 84 { 85 86 struct mmc_device_info info; 87 const mmap_region_t bl_regions[] = { 88 MAP_REGION_FLAT(BL2_BASE, BL2_END - BL2_BASE, 89 MT_MEMORY | MT_RW | MT_SECURE), 90 MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, 91 MT_CODE | MT_SECURE), 92 MAP_REGION_FLAT(BL_RO_DATA_BASE, 93 BL_RO_DATA_END - BL_RO_DATA_BASE, 94 MT_RO_DATA | MT_SECURE), 95 #if USE_COHERENT_MEM_BAR 96 MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, 97 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, 98 MT_DEVICE | MT_RW | MT_SECURE), 99 #endif 100 {0}, 101 }; 102 103 setup_page_tables(bl_regions, plat_stratix10_mmap); 104 105 enable_mmu_el3(0); 106 107 dw_mmc_params_t params = EMMC_INIT_PARAMS(0x100000); 108 109 info.mmc_dev_type = MMC_IS_SD; 110 info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3; 111 112 switch (boot_source) { 113 case BOOT_SOURCE_SDMMC: 114 dw_mmc_init(¶ms, &info); 115 stratix10_io_setup(boot_source); 116 break; 117 118 case BOOT_SOURCE_QSPI: 119 mailbox_set_qspi_open(); 120 mailbox_set_qspi_direct(); 121 cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL, 122 QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS, 123 QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0); 124 stratix10_io_setup(boot_source); 125 break; 126 127 default: 128 ERROR("Unsupported boot source\n"); 129 panic(); 130 break; 131 } 132 } 133 134 uint32_t get_spsr_for_bl33_entry(void) 135 { 136 unsigned long el_status; 137 unsigned int mode; 138 uint32_t spsr; 139 140 /* Figure out what mode we enter the non-secure world in */ 141 el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT; 142 el_status &= ID_AA64PFR0_ELX_MASK; 143 144 mode = (el_status) ? MODE_EL2 : MODE_EL1; 145 146 /* 147 * TODO: Consider the possibility of specifying the SPSR in 148 * the FIP ToC and allowing the platform to have a say as 149 * well. 150 */ 151 spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); 152 return spsr; 153 } 154 155 156 int bl2_plat_handle_post_image_load(unsigned int image_id) 157 { 158 bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); 159 160 switch (image_id) { 161 case BL33_IMAGE_ID: 162 bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr(); 163 bl_mem_params->ep_info.spsr = get_spsr_for_bl33_entry(); 164 break; 165 default: 166 break; 167 } 168 169 return 0; 170 } 171 172 /******************************************************************************* 173 * Perform any BL3-1 platform setup code 174 ******************************************************************************/ 175 void bl2_platform_setup(void) 176 { 177 } 178 179