/*
 * put all the configure operate to this file
 *
 * (C) Copyright 2009
 * Author: Marek Lindner <lindner_marek@yahoo.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 3 as published by the Free Software Foundation.
 *
 * 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 <confuse.h>
#include "ingenic_cfg.h"
#include "usb_boot_defines.h"

extern unsigned int total_size;

int hand_init_def(struct hand *hand)
{
	/* nand flash info */
	/* hand.nand_start=0; */ /* important !!!! */
	hand->pt = JZ4740;    /* cpu type  */
	hand->nand_bw = 8;
	hand->nand_rc = 3;
	hand->nand_ps = 2048;
	hand->nand_ppb = 64;
	hand->nand_eccpos = 6;
	hand->nand_bbpage = 0;
	hand->nand_bbpos  = 0;
	hand->nand_force_erase = 0;
	/* hand.nand_ids=0;  */ /* vendor_id & device_id */
	hand->fw_args.cpu_id = 0x4740;
	hand->fw_args.ext_clk = 12;
	hand->fw_args.cpu_speed = 225 / hand->fw_args.ext_clk;
	hand->fw_args.phm_div = 3;
	hand->fw_args.use_uart = 0;
	hand->fw_args.boudrate = 57600;
	hand->fw_args.bus_width = 0;
	hand->fw_args.bank_num = 1;
	hand->fw_args.row_addr = 13;
	hand->fw_args.col_addr = 9;
	hand->fw_args.is_mobile = 0;
	hand->fw_args.is_busshare = 1;

	return 1;
}

int check_dump_cfg(struct hand *hand)
{
	printf("\n Now checking whether all configure args valid: ");
	/* check PLL */
	if (hand->fw_args.ext_clk > 27 || hand->fw_args.ext_clk < 12) {
		printf("\n EXTCLK setting invalid!");
		return 0;
	}
	if (hand->fw_args.phm_div > 32 || hand->fw_args.ext_clk < 2) {
		printf("\n PHMDIV setting invalid!");
		return 0;
	}
	if ((hand->fw_args.cpu_speed * hand->fw_args.ext_clk ) % 12 != 0) {
		printf("\n CPUSPEED setting invalid!");
		return 0;
	}

	/* check SDRAM */
	if (hand->fw_args.bus_width > 1 ) {
		printf("\n SDRAMWIDTH setting invalid!");
		return 0;
	}
	if (hand->fw_args.bank_num > 1 ) {
		printf("\n BANKNUM setting invalid!");
		return 0;
	}
	if (hand->fw_args.row_addr > 13 && hand->fw_args.row_addr < 11 ) {
		printf("\n ROWADDR setting invalid!");
		return 0;
	}
	if (hand->fw_args.col_addr > 13 && hand->fw_args.col_addr < 11 ) {
		printf("\n COLADDR setting invalid!");
		return 0;
	}

	/* check NAND */
	if ( hand->nand_ps < 2048 && hand->nand_os > 16 ) {
		printf("\n PAGESIZE or OOBSIZE setting invalid!");
		return 0;
	}
	if ( hand->nand_ps < 2048 && hand->nand_ppb > 32 ) {
		printf("\n PAGESIZE or PAGEPERBLOCK setting invalid!");
		return 0;
	}

	if ( hand->nand_ps > 512 && hand->nand_os <= 16 ) {
		printf("\n PAGESIZE or OOBSIZE setting invalid!");
		return 0;
	}
	if ( hand->nand_ps > 512 && hand->nand_ppb < 64 ) {
		printf("\n PAGESIZE or PAGEPERBLOCK setting invalid!");
		return 0;
	}	       

	printf("\n Current device information:");
	printf(" CPU is Jz%x",hand->fw_args.cpu_id);
	printf("\n Crystal work at %dMHz, the CCLK up to %dMHz and PMH_CLK up to %dMHz",
		hand->fw_args.ext_clk,
		(unsigned int)hand->fw_args.cpu_speed * hand->fw_args.ext_clk,
		((unsigned int)hand->fw_args.cpu_speed * hand->fw_args.ext_clk) / hand->fw_args.phm_div);

	printf("\n Total SDRAM size is %d MB, work in %d bank and %d bit mode",
		total_size / 0x100000, 2 * (hand->fw_args.bank_num + 1), 
	       16 * (2 - hand->fw_args.bus_width));

	/* printf("\n Nand page size %d, ECC offset %d, ",
		hand->nand_ps,hand->nand_eccpos);

	printf("bad block ID %d, ",hand->nand_bbpage);

	printf("use %d plane mode",hand->nand_plane); */

	printf("\n");
	return 1;
}

int parse_configure(struct hand *hand, char * file_path)
{
	hand_init_def(hand);

	cfg_opt_t opts[] = {
		CFG_SIMPLE_INT("EXTCLK", &hand->fw_args.ext_clk),
		CFG_SIMPLE_INT("CPUSPEED", &hand->fw_args.cpu_speed),
		CFG_SIMPLE_INT("PHMDIV", &hand->fw_args.phm_div),
		CFG_SIMPLE_INT("BOUDRATE", &hand->fw_args.boudrate),
		CFG_SIMPLE_INT("USEUART", &hand->fw_args.use_uart),

		CFG_SIMPLE_INT("BUSWIDTH", &hand->fw_args.bus_width),
		CFG_SIMPLE_INT("BANKS", &hand->fw_args.bank_num),
		CFG_SIMPLE_INT("ROWADDR", &hand->fw_args.row_addr),
		CFG_SIMPLE_INT("COLADDR", &hand->fw_args.col_addr),

		CFG_SIMPLE_INT("ISMOBILE", &hand->fw_args.is_mobile),
		CFG_SIMPLE_INT("ISBUSSHARE", &hand->fw_args.is_busshare),
		CFG_SIMPLE_INT("DEBUGOPS", &hand->fw_args.debug_ops),
		CFG_SIMPLE_INT("PINNUM", &hand->fw_args.pin_num),
		CFG_SIMPLE_INT("START", &hand->fw_args.start),
		CFG_SIMPLE_INT("SIZE", &hand->fw_args.size),

		CFG_SIMPLE_INT("NAND_BUSWIDTH", &hand->nand_bw),
		CFG_SIMPLE_INT("NAND_ROWCYCLES", &hand->nand_rc),
		CFG_SIMPLE_INT("NAND_PAGESIZE", &hand->nand_ps),
		CFG_SIMPLE_INT("NAND_PAGEPERBLOCK", &hand->nand_ppb),
		CFG_SIMPLE_INT("NAND_FORCEERASE", &hand->nand_force_erase),
		CFG_SIMPLE_INT("NAND_OOBSIZE", &hand->nand_os),
		CFG_SIMPLE_INT("NAND_ECCPOS", &hand->nand_eccpos),
		CFG_SIMPLE_INT("NAND_BADBLACKPOS", &hand->nand_bbpos),
		CFG_SIMPLE_INT("NAND_BADBLACKPAGE", &hand->nand_bbpage),
		CFG_SIMPLE_INT("NAND_PLANENUM", &hand->nand_plane),
		CFG_SIMPLE_INT("NAND_BCHBIT", &hand->nand_bchbit),
		CFG_SIMPLE_INT("NAND_WPPIN", &hand->nand_wppin),
		CFG_SIMPLE_INT("NAND_BLOCKPERCHIP", &hand->nand_bbpage),

		CFG_END()
	};

	cfg_t *cfg;
	cfg = cfg_init(opts, 0);
	if (cfg_parse(cfg, file_path) == CFG_PARSE_ERROR)
		return -1;
	cfg_free(cfg);

	hand->fw_args.cpu_id = 0x4740;
	if (hand->fw_args.bus_width == 32)
		hand->fw_args.bus_width = 0 ;
	else
		hand->fw_args.bus_width = 1 ; 
	hand->fw_args.bank_num = hand->fw_args.bank_num / 4; 
	hand->fw_args.cpu_speed = hand->fw_args.cpu_speed / hand->fw_args.ext_clk;

	total_size = (unsigned int)
		(2 << (hand->fw_args.row_addr + hand->fw_args.col_addr - 1)) * 2 
		* (hand->fw_args.bank_num + 1) * 2 
		* (2 - hand->fw_args.bus_width);

	if (check_dump_cfg(hand) < 1)
		return -1;

	return 1;
}