| /* |
| * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <arch_helpers.h> |
| #include <assert.h> |
| #include <bl31.h> |
| #include <bl_common.h> |
| #include <console.h> |
| #include <cortex_a53.h> |
| #include <debug.h> |
| #include <errno.h> |
| #include <generic_delay_timer.h> |
| #include <mmio.h> |
| #include <plat_arm.h> |
| #include <platform.h> |
| #include <stddef.h> |
| #include <string.h> |
| #include "hi3798cv200.h" |
| #include "plat_private.h" |
| #include "platform_def.h" |
| |
| /* Memory ranges for code and RO data sections */ |
| #define BL31_RO_BASE (unsigned long)(&__RO_START__) |
| #define BL31_RO_LIMIT (unsigned long)(&__RO_END__) |
| |
| /* Memory ranges for coherent memory section */ |
| #define BL31_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__) |
| #define BL31_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__) |
| |
| #define TZPC_SEC_ATTR_CTRL_VALUE (0x9DB98D45) |
| |
| static entry_point_info_t bl32_image_ep_info; |
| static entry_point_info_t bl33_image_ep_info; |
| |
| static void hisi_tzpc_sec_init(void) |
| { |
| mmio_write_32(HISI_TZPC_SEC_ATTR_CTRL, TZPC_SEC_ATTR_CTRL_VALUE); |
| } |
| |
| entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) |
| { |
| entry_point_info_t *next_image_info; |
| |
| assert(sec_state_is_valid(type)); |
| next_image_info = (type == NON_SECURE) |
| ? &bl33_image_ep_info : &bl32_image_ep_info; |
| /* |
| * None of the images on the ARM development platforms can have 0x0 |
| * as the entrypoint |
| */ |
| if (next_image_info->pc) |
| return next_image_info; |
| else |
| return NULL; |
| } |
| |
| /******************************************************************************* |
| * Perform any BL31 early platform setup common to ARM standard platforms. |
| * Here is an opportunity to copy parameters passed by the calling EL (S-EL1 |
| * in BL2 & S-EL3 in BL1) before they are lost (potentially). This needs to be |
| * done before the MMU is initialized so that the memory layout can be used |
| * while creating page tables. BL2 has flushed this information to memory, so |
| * we are guaranteed to pick up good data. |
| ******************************************************************************/ |
| void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, |
| u_register_t arg2, u_register_t arg3) |
| { |
| void *from_bl2; |
| |
| from_bl2 = (void *) arg0; |
| |
| console_init(PL011_UART0_BASE, PL011_UART0_CLK_IN_HZ, PL011_BAUDRATE); |
| |
| /* Init console for crash report */ |
| plat_crash_console_init(); |
| |
| /* |
| * Check params passed from BL2 should not be NULL, |
| */ |
| bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2; |
| |
| assert(params_from_bl2 != NULL); |
| assert(params_from_bl2->h.type == PARAM_BL_PARAMS); |
| assert(params_from_bl2->h.version >= VERSION_2); |
| |
| bl_params_node_t *bl_params = params_from_bl2->head; |
| |
| /* |
| * Copy BL33 and BL32 (if present), entry point information. |
| * They are stored in Secure RAM, in BL2's address space. |
| */ |
| while (bl_params) { |
| if (bl_params->image_id == BL32_IMAGE_ID) |
| bl32_image_ep_info = *bl_params->ep_info; |
| |
| if (bl_params->image_id == BL33_IMAGE_ID) |
| bl33_image_ep_info = *bl_params->ep_info; |
| |
| bl_params = bl_params->next_params_info; |
| } |
| |
| if (bl33_image_ep_info.pc == 0) |
| panic(); |
| } |
| |
| void bl31_platform_setup(void) |
| { |
| /* Init arch timer */ |
| generic_delay_timer_init(); |
| |
| /* Init GIC distributor and CPU interface */ |
| plat_arm_gic_driver_init(); |
| plat_arm_gic_init(); |
| |
| /* Init security properties of IP blocks */ |
| hisi_tzpc_sec_init(); |
| } |
| |
| void bl31_plat_runtime_setup(void) |
| { |
| /* do nothing */ |
| } |
| |
| void bl31_plat_arch_setup(void) |
| { |
| plat_configure_mmu_el3(BL31_BASE, |
| (BL31_LIMIT - BL31_BASE), |
| BL31_RO_BASE, |
| BL31_RO_LIMIT, |
| BL31_COHERENT_RAM_BASE, |
| BL31_COHERENT_RAM_LIMIT); |
| |
| INFO("Boot BL33 from 0x%lx for %lu Bytes\n", |
| bl33_image_ep_info.pc, bl33_image_ep_info.args.arg2); |
| } |