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/*
* Copyright (c) 2020, 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/generic_delay_timer.h>
#include <drivers/ti/uart/uart_16550.h>
#include <lib/coreboot.h>
/* Platform Includes */
#include <devapc/devapc.h>
#include <emi_mpu/emi_mpu.h>
#include <gpio/mtgpio.h>
#include <mt_gic_v3.h>
#include <mt_spm.h>
#include <mt_timer.h>
#include <mtk_dcm.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("MT8192 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)
{
/* Set dcm on */
if (!dcm_set_default()) {
ERROR("Failed to set default dcm on!!\n");
}
/* MPU Init */
emi_mpu_init();
/* DAPC Init */
devapc_init();
/* Initialize the GIC driver, CPU and distributor interfaces */
mt_gic_driver_init();
mt_gic_init();
mt_gpio_init();
mt_systimer_init();
generic_delay_timer_init();
spm_boot_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);
}
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