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75edd34ade
EMI MPU stands for external memory interface memory protect unit. MT8195 supports 32 regions and 16 domains. We add basic drivers currently, and will add more setting for EMI MPU in next patch. Change-Id: Iedc19d8f6fcf1ceb2d8241319b8dc17c885642dd Signed-off-by: Penny Jan <penny.jan@mediatek.com>
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* Copyright (c) 2021, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/* System Includes */
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#include <assert.h>
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/* Project Includes */
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <common/desc_image_load.h>
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#include <drivers/generic_delay_timer.h>
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#include <drivers/ti/uart/uart_16550.h>
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#include <lib/coreboot.h>
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/* Platform Includes */
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#include <emi_mpu.h>
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#include <mt_gic_v3.h>
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#include <mt_spm.h>
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#include <mt_timer.h>
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#include <mtk_dcm.h>
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#include <mtgpio.h>
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#include <plat_params.h>
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#include <plat_private.h>
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static entry_point_info_t bl32_ep_info;
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static entry_point_info_t bl33_ep_info;
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/*******************************************************************************
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* Return a pointer to the 'entry_point_info' structure of the next image for
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* the security state specified. BL33 corresponds to the non-secure image type
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* while BL32 corresponds to the secure image type. A NULL pointer is returned
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* if the image does not exist.
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******************************************************************************/
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entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
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{
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entry_point_info_t *next_image_info;
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next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
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assert(next_image_info->h.type == PARAM_EP);
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/* None of the images on this platform can have 0x0 as the entrypoint */
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if (next_image_info->pc) {
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return next_image_info;
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} else {
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return NULL;
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}
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}
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/*******************************************************************************
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* Perform any BL31 early platform setup. Here is an opportunity to copy
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* parameters passed by the calling EL (S-EL1 in BL2 & S-EL3 in BL1) before they
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* are lost (potentially). This needs to be done before the MMU is initialized
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* so that the memory layout can be used while creating page tables.
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* BL2 has flushed this information to memory, so we are guaranteed to pick up
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* good data.
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******************************************************************************/
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void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
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u_register_t arg2, u_register_t arg3)
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{
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static console_t console;
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params_early_setup(arg1);
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#if COREBOOT
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if (coreboot_serial.type) {
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console_16550_register(coreboot_serial.baseaddr,
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coreboot_serial.input_hertz,
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coreboot_serial.baud,
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&console);
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}
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#else
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console_16550_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, &console);
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#endif
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NOTICE("MT8195 bl31_setup\n");
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bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info);
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}
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/*******************************************************************************
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* Perform any BL31 platform setup code
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******************************************************************************/
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void bl31_platform_setup(void)
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{
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/* Set dcm on */
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if (!dcm_set_default()) {
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ERROR("Failed to set default dcm on!!\n");
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}
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/* Initialize EMI MPU */
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emi_mpu_init();
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/* Initialize the GIC driver, CPU and distributor interfaces */
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mt_gic_driver_init();
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mt_gic_init();
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mt_gpio_init();
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mt_systimer_init();
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generic_delay_timer_init();
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spm_boot_init();
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}
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/*******************************************************************************
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* Perform the very early platform specific architectural setup here. At the
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* moment this is only intializes the mmu in a quick and dirty way.
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******************************************************************************/
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void bl31_plat_arch_setup(void)
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{
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plat_configure_mmu_el3(BL31_START,
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BL31_END - BL31_START,
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BL_CODE_BASE,
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BL_CODE_END);
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}
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