1 /* 2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch_helpers.h> 8 #include <arm_gic.h> 9 #include <assert.h> 10 #include <bl_common.h> 11 #include <cci.h> 12 #include <console.h> 13 #include <debug.h> 14 #include <errno.h> 15 #include <generic_delay_timer.h> 16 #include <gicv2.h> 17 #include <hi3660.h> 18 #include <hisi_ipc.h> 19 #include <interrupt_mgmt.h> 20 #include <platform.h> 21 #include <platform_def.h> 22 23 #include "hikey960_def.h" 24 #include "hikey960_private.h" 25 26 /* 27 * The next 2 constants identify the extents of the code & RO data region. 28 * These addresses are used by the MMU setup code and therefore they must be 29 * page-aligned. It is the responsibility of the linker script to ensure that 30 * __RO_START__ and __RO_END__ linker symbols refer to page-aligned addresses. 31 */ 32 #define BL31_RO_BASE (unsigned long)(&__RO_START__) 33 #define BL31_RO_LIMIT (unsigned long)(&__RO_END__) 34 35 /* 36 * The next 2 constants identify the extents of the coherent memory region. 37 * These addresses are used by the MMU setup code and therefore they must be 38 * page-aligned. It is the responsibility of the linker script to ensure that 39 * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to 40 * page-aligned addresses. 41 */ 42 #define BL31_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__) 43 #define BL31_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__) 44 45 static entry_point_info_t bl32_ep_info; 46 static entry_point_info_t bl33_ep_info; 47 48 /****************************************************************************** 49 * On a GICv2 system, the Group 1 secure interrupts are treated as Group 0 50 * interrupts. 51 *****************************************************************************/ 52 const unsigned int g0_interrupt_array[] = { 53 IRQ_SEC_PHY_TIMER, 54 IRQ_SEC_SGI_0 55 }; 56 57 const gicv2_driver_data_t hikey960_gic_data = { 58 .gicd_base = GICD_REG_BASE, 59 .gicc_base = GICC_REG_BASE, 60 .g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array), 61 .g0_interrupt_array = g0_interrupt_array, 62 }; 63 64 static const int cci_map[] = { 65 CCI400_SL_IFACE3_CLUSTER_IX, 66 CCI400_SL_IFACE4_CLUSTER_IX 67 }; 68 69 entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) 70 { 71 entry_point_info_t *next_image_info; 72 73 next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info; 74 75 /* None of the images on this platform can have 0x0 as the entrypoint */ 76 if (next_image_info->pc) 77 return next_image_info; 78 return NULL; 79 } 80 81 void bl31_early_platform_setup(void *from_bl2, 82 void *plat_params_from_bl2) 83 { 84 unsigned int id, uart_base; 85 86 generic_delay_timer_init(); 87 hikey960_read_boardid(&id); 88 if (id == 5300) 89 uart_base = PL011_UART5_BASE; 90 else 91 uart_base = PL011_UART6_BASE; 92 93 /* Initialize the console to provide early debug support */ 94 console_init(uart_base, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE); 95 96 /* Initialize CCI driver */ 97 cci_init(CCI400_REG_BASE, cci_map, ARRAY_SIZE(cci_map)); 98 cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 99 100 /* 101 * Check params passed from BL2 should not be NULL, 102 */ 103 bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2; 104 assert(params_from_bl2 != NULL); 105 assert(params_from_bl2->h.type == PARAM_BL_PARAMS); 106 assert(params_from_bl2->h.version >= VERSION_2); 107 108 bl_params_node_t *bl_params = params_from_bl2->head; 109 110 /* 111 * Copy BL33 and BL32 (if present), entry point information. 112 * They are stored in Secure RAM, in BL2's address space. 113 */ 114 while (bl_params) { 115 if (bl_params->image_id == BL32_IMAGE_ID) 116 bl32_ep_info = *bl_params->ep_info; 117 118 if (bl_params->image_id == BL33_IMAGE_ID) 119 bl33_ep_info = *bl_params->ep_info; 120 121 bl_params = bl_params->next_params_info; 122 } 123 124 if (bl33_ep_info.pc == 0) 125 panic(); 126 } 127 128 void bl31_plat_arch_setup(void) 129 { 130 hikey960_init_mmu_el3(BL31_BASE, 131 BL31_LIMIT - BL31_BASE, 132 BL31_RO_BASE, 133 BL31_RO_LIMIT, 134 BL31_COHERENT_RAM_BASE, 135 BL31_COHERENT_RAM_LIMIT); 136 } 137 138 void bl31_platform_setup(void) 139 { 140 /* Initialize the GIC driver, cpu and distributor interfaces */ 141 gicv2_driver_init(&hikey960_gic_data); 142 gicv2_distif_init(); 143 gicv2_pcpu_distif_init(); 144 gicv2_cpuif_enable(); 145 146 hisi_ipc_init(); 147 } 148 149 #ifdef SPD_none 150 static uint64_t hikey_debug_fiq_handler(uint32_t id, 151 uint32_t flags, 152 void *handle, 153 void *cookie) 154 { 155 int intr, intr_raw; 156 157 /* Acknowledge interrupt */ 158 intr_raw = plat_ic_acknowledge_interrupt(); 159 intr = plat_ic_get_interrupt_id(intr_raw); 160 ERROR("Invalid interrupt: intr=%d\n", intr); 161 console_flush(); 162 panic(); 163 164 return 0; 165 } 166 #endif 167 168 void bl31_plat_runtime_setup(void) 169 { 170 #ifdef SPD_none 171 uint32_t flags; 172 int32_t rc; 173 174 flags = 0; 175 set_interrupt_rm_flag(flags, NON_SECURE); 176 rc = register_interrupt_type_handler(INTR_TYPE_S_EL1, 177 hikey_debug_fiq_handler, 178 flags); 179 if (rc != 0) 180 panic(); 181 #endif 182 } 183