/*
    Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>

    This file is part of Aedrix.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <atags.h>
#include <init.h>
#include <kmalloc.h>
#include <mmu.h>
#include <mm.h>
#include <print.h>
#include <framebuffer.h>
#include <console.h>

#include <drivers/serial.h>

#ifdef CONFIG_VEXPRESS_A9
#include <drivers/pl111.h>
#endif

#ifdef CONFIG_RPI
#include <drivers/bcm2835_videocore.h>
#endif

struct fb myfb;

void print_console_logo() {
	print_func(&console_putc, "                            _            _      _\n");
	print_func(&console_putc, "                           / \\   ___  __| |_ __(_)_  __\n");
	print_func(&console_putc, "                          / _ \\ / _ \\/ _` | '__| \\ \\/ /\n");
	print_func(&console_putc, "                         / ___ \\  __/ (_| | |  | |>  <\n");
	print_func(&console_putc, "                        /_/   \\_\\___|\\__,_|_|  |_/_/\\_\\\n\n");
	print_func(&console_putc, "                        Copyright (C) 2012 - Aaron Lindsay\n");
}

void video_init(void) {
#ifdef CONFIG_VEXPRESS_A9
	pl111_init(&myfb, 16);
#endif
#ifdef CONFIG_RPI
	bcm2835_videocore_init(&myfb, 16);
#endif
}

void serial_console_init() {
	struct serial_dev *sdev = serial_first_device();

	if (sdev)
		print_init(sdev->putc);
}

void kmalloc_init();
 
int main(void) {
	char *lower, *upper;
	struct atag *atags;

	//setup MMU
	mmu_reinit();

	init_earlyinitcalls();

	serial_console_init();

	//setup memory
	mm_init();
	kmalloc_init();

	if (atags_first_mem_region(&atags)) {
		print("Error: atags must contain at least one memory region\n");
		return -1;
	}

	do {
		lower = (char *)atags->data.mem.start;
		upper = lower + atags->data.mem.size - 1;
		declare_memory_region(lower, upper);
	} while (!atags_next_mem_region(&atags));

	init_initcalls();

	video_init();
	console_init(&myfb);
	print_console_logo();

	return 0;
}