| /* |
| * Copyright (c) 2021, MediaTek Inc. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| /* System Includes */ |
| #include <assert.h> |
| |
| /* Project Includes */ |
| #include <common/bl_common.h> |
| #include <common/debug.h> |
| #include <common/desc_image_load.h> |
| #include <drivers/ti/uart/uart_16550.h> |
| #include <lib/coreboot.h> |
| |
| /* Platform Includes */ |
| #include <mt_gic_v3.h> |
| #include <plat_params.h> |
| #include <plat_private.h> |
| |
| static entry_point_info_t bl32_ep_info; |
| static entry_point_info_t bl33_ep_info; |
| |
| /******************************************************************************* |
| * Return a pointer to the 'entry_point_info' structure of the next image for |
| * the security state specified. BL33 corresponds to the non-secure image type |
| * while BL32 corresponds to the secure image type. A NULL pointer is returned |
| * if the image does not exist. |
| ******************************************************************************/ |
| entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) |
| { |
| entry_point_info_t *next_image_info; |
| |
| next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info; |
| assert(next_image_info->h.type == PARAM_EP); |
| |
| /* None of the images on this platform can have 0x0 as the entrypoint */ |
| if (next_image_info->pc) { |
| return next_image_info; |
| } else { |
| return NULL; |
| } |
| } |
| |
| /******************************************************************************* |
| * Perform any BL31 early platform setup. 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) |
| { |
| static console_t console; |
| |
| params_early_setup(arg1); |
| |
| #if COREBOOT |
| if (coreboot_serial.type) { |
| console_16550_register(coreboot_serial.baseaddr, |
| coreboot_serial.input_hertz, |
| coreboot_serial.baud, |
| &console); |
| } |
| #else |
| console_16550_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, &console); |
| #endif |
| |
| NOTICE("MT8195 bl31_setup\n"); |
| |
| bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info); |
| } |
| |
| |
| /******************************************************************************* |
| * Perform any BL31 platform setup code |
| ******************************************************************************/ |
| void bl31_platform_setup(void) |
| { |
| /* Initialize the GIC driver, CPU and distributor interfaces */ |
| mt_gic_driver_init(); |
| mt_gic_init(); |
| } |
| |
| /******************************************************************************* |
| * Perform the very early platform specific architectural setup here. At the |
| * moment this is only intializes the mmu in a quick and dirty way. |
| ******************************************************************************/ |
| void bl31_plat_arch_setup(void) |
| { |
| plat_configure_mmu_el3(BL31_START, |
| BL31_END - BL31_START, |
| BL_CODE_BASE, |
| BL_CODE_END); |
| } |