1 /* 2 * Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved. 3 * Copyright (c) 2019-2021, 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 <common/debug.h> 13 #include <common/desc_image_load.h> 14 #include <drivers/generic_delay_timer.h> 15 #include <drivers/synopsys/dw_mmc.h> 16 #include <drivers/ti/uart/uart_16550.h> 17 #include <lib/xlat_tables/xlat_tables.h> 18 19 #include "agilex_mmc.h" 20 #include "agilex_clock_manager.h" 21 #include "agilex_memory_controller.h" 22 #include "agilex_pinmux.h" 23 #include "ccu/ncore_ccu.h" 24 #include "qspi/cadence_qspi.h" 25 #include "socfpga_emac.h" 26 #include "socfpga_handoff.h" 27 #include "socfpga_mailbox.h" 28 #include "socfpga_private.h" 29 #include "socfpga_reset_manager.h" 30 #include "socfpga_system_manager.h" 31 #include "wdt/watchdog.h" 32 33 static struct mmc_device_info mmc_info; 34 35 const mmap_region_t agilex_plat_mmap[] = { 36 MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE, 37 MT_MEMORY | MT_RW | MT_NS), 38 MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, 39 MT_DEVICE | MT_RW | MT_NS), 40 MAP_REGION_FLAT(DEVICE2_BASE, DEVICE2_SIZE, 41 MT_DEVICE | MT_RW | MT_SECURE), 42 MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE, 43 MT_NON_CACHEABLE | MT_RW | MT_SECURE), 44 MAP_REGION_FLAT(DEVICE3_BASE, DEVICE3_SIZE, 45 MT_DEVICE | MT_RW | MT_SECURE), 46 MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE, 47 MT_DEVICE | MT_RW | MT_NS), 48 MAP_REGION_FLAT(DEVICE4_BASE, DEVICE4_SIZE, 49 MT_DEVICE | MT_RW | MT_NS), 50 {0}, 51 }; 52 53 boot_source_type boot_source = BOOT_SOURCE; 54 55 void bl2_el3_early_platform_setup(u_register_t x0, u_register_t x1, 56 u_register_t x2, u_register_t x4) 57 { 58 static console_t console; 59 handoff reverse_handoff_ptr; 60 61 generic_delay_timer_init(); 62 63 if (socfpga_get_handoff(&reverse_handoff_ptr)) 64 return; 65 config_pinmux(&reverse_handoff_ptr); 66 config_clkmgr_handoff(&reverse_handoff_ptr); 67 68 enable_nonsecure_access(); 69 deassert_peripheral_reset(); 70 config_hps_hs_before_warm_reset(); 71 72 watchdog_init(get_wdt_clk()); 73 74 console_16550_register(PLAT_UART0_BASE, get_uart_clk(), PLAT_BAUDRATE, 75 &console); 76 77 socfpga_delay_timer_init(); 78 init_ncore_ccu(); 79 socfpga_emac_init(); 80 init_hard_memory_controller(); 81 mailbox_init(); 82 agx_mmc_init(); 83 84 if (!intel_mailbox_is_fpga_not_ready()) 85 socfpga_bridges_enable(); 86 } 87 88 89 void bl2_el3_plat_arch_setup(void) 90 { 91 92 const mmap_region_t bl_regions[] = { 93 MAP_REGION_FLAT(BL2_BASE, BL2_END - BL2_BASE, 94 MT_MEMORY | MT_RW | MT_SECURE), 95 MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, 96 MT_CODE | MT_SECURE), 97 MAP_REGION_FLAT(BL_RO_DATA_BASE, 98 BL_RO_DATA_END - BL_RO_DATA_BASE, 99 MT_RO_DATA | MT_SECURE), 100 #if USE_COHERENT_MEM_BAR 101 MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, 102 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, 103 MT_DEVICE | MT_RW | MT_SECURE), 104 #endif 105 {0}, 106 }; 107 108 setup_page_tables(bl_regions, agilex_plat_mmap); 109 110 enable_mmu_el3(0); 111 112 dw_mmc_params_t params = EMMC_INIT_PARAMS(0x100000, get_mmc_clk()); 113 114 mmc_info.mmc_dev_type = MMC_IS_SD; 115 mmc_info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3; 116 117 switch (boot_source) { 118 case BOOT_SOURCE_SDMMC: 119 dw_mmc_init(¶ms, &mmc_info); 120 socfpga_io_setup(boot_source); 121 break; 122 123 case BOOT_SOURCE_QSPI: 124 mailbox_set_qspi_open(); 125 mailbox_set_qspi_direct(); 126 cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL, 127 QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS, 128 QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0); 129 socfpga_io_setup(boot_source); 130 break; 131 132 default: 133 ERROR("Unsupported boot source\n"); 134 panic(); 135 break; 136 } 137 } 138 139 uint32_t get_spsr_for_bl33_entry(void) 140 { 141 unsigned long el_status; 142 unsigned int mode; 143 uint32_t spsr; 144 145 /* Figure out what mode we enter the non-secure world in */ 146 el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT; 147 el_status &= ID_AA64PFR0_ELX_MASK; 148 149 mode = (el_status) ? MODE_EL2 : MODE_EL1; 150 151 /* 152 * TODO: Consider the possibility of specifying the SPSR in 153 * the FIP ToC and allowing the platform to have a say as 154 * well. 155 */ 156 spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); 157 return spsr; 158 } 159 160 161 int bl2_plat_handle_post_image_load(unsigned int image_id) 162 { 163 bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); 164 165 assert(bl_mem_params); 166 167 switch (image_id) { 168 case BL33_IMAGE_ID: 169 bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr(); 170 bl_mem_params->ep_info.spsr = get_spsr_for_bl33_entry(); 171 break; 172 default: 173 break; 174 } 175 176 return 0; 177 } 178 179 /******************************************************************************* 180 * Perform any BL3-1 platform setup code 181 ******************************************************************************/ 182 void bl2_platform_setup(void) 183 { 184 } 185 186