// SPDX-License-Identifier: BSD-2-Clause
/*
 * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
 *	Andrew F. Davis <afd@ti.com>
 */

#include <platform_config.h>

#include <console.h>
#include <drivers/gic.h>
#include <drivers/serial8250_uart.h>
#include <kernel/generic_boot.h>
#include <kernel/panic.h>
#include <kernel/pm_stubs.h>
#include <mm/core_memprot.h>
#include <mm/tee_pager.h>
#include <platform_config.h>
#include <stdint.h>
#include <tee/entry_fast.h>
#include <tee/entry_std.h>

static struct gic_data gic_data;
static struct serial8250_uart_data console_data;

register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GICC_SIZE);
register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GICD_SIZE);
register_phys_mem_pgdir(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE,
		  SERIAL8250_UART_REG_SIZE);

void main_init_gic(void)
{
	vaddr_t gicc_base;
	vaddr_t gicd_base;

	gicc_base = (vaddr_t)phys_to_virt(GICC_BASE, MEM_AREA_IO_SEC);
	gicd_base = (vaddr_t)phys_to_virt(GICD_BASE, MEM_AREA_IO_SEC);

	if (!gicc_base || !gicd_base)
		panic();

	gic_init_base_addr(&gic_data, gicc_base, gicd_base);
	itr_init(&gic_data.chip);
}

void main_secondary_init_gic(void)
{
	gic_cpu_init(&gic_data);
}

static void main_fiq(void)
{
	gic_it_handle(&gic_data);
}

static const struct thread_handlers handlers = {
	.std_smc = tee_entry_std,
	.fast_smc = tee_entry_fast,
	.nintr = main_fiq,
	.cpu_on = cpu_on_handler,
	.cpu_off = pm_do_nothing,
	.cpu_suspend = pm_do_nothing,
	.cpu_resume = pm_do_nothing,
	.system_off = pm_do_nothing,
	.system_reset = pm_do_nothing,
};

const struct thread_handlers *generic_boot_get_handlers(void)
{
	return &handlers;
}

void console_init(void)
{
	serial8250_uart_init(&console_data, CONSOLE_UART_BASE,
			     CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE);
	register_serial_console(&console_data.chip);
}