/******************************************************************************
Copyright 2008-2009, Freie Universitaet Berlin (FUB). All rights reserved.

These sources were developed at the Freie Universitaet Berlin, Computer Systems
and Telematics group (http://cst.mi.fu-berlin.de).
-------------------------------------------------------------------------------
This file is part of FeuerWare.

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 3 of the License, or (at your option) any later
version.

FeuerWare 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, see http://www.gnu.org/licenses/ .
--------------------------------------------------------------------------------
For further information and questions please use the web site
	http://scatterweb.mi.fu-berlin.de
and the mailinglist (subscription via web site)
	scatterweb@lists.spline.inf.fu-berlin.de
*******************************************************************************/

/**
 * @ingroup	avsextrem
 * @{
 */

/**
 * @file
 * @brief 		avsextrem board initialization
 *
 * @author      Freie Universit�t Berlin, Computer Systems & Telematics, FeuerWhere project
 * @author		Heiko Will
 * @author		Kaspar Schleise
 * @author		Michael Baar <baar@inf.fu-berlin.de>
 * @author		Zakaria Kasmi
 * @author		Marco Ziegert
 * @author		Stefan Pfeiffer
 *
 * @note		$Id: board_init.c 1071 2009-04-30 10:15:56Z hwill $
 */
#include "lpc23xx.h"
#include "VIC.h"
#include "cpu.h"
#include "gpioint.h"

#define PCRTC         BIT9
#define CL_CPU_DIV    4


/*---------------------------------------------------------------------------*/
static inline void
pllfeed(void)
{
	PLLFEED = 0xAA;
	PLLFEED = 0x55;
}

/*---------------------------------------------------------------------------*/
void init_clks1(void)
{
	// Disconnect PLL
	PLLCON &= ~0x0002;
	pllfeed();
	while (PLLSTAT & BIT25);			// wait until PLL is disconnected before disabling - deadlock otherwise

	// Disable PLL
	PLLCON &= ~0x0001;
	pllfeed();
	while (PLLSTAT & BIT24);			// wait until PLL is disabled

	SCS |= 0x10;						// main OSC between 15MHz and 24MHz (more stable in tests)
	SCS |= 0x20;						// Enable main OSC
	while( !(SCS & 0x40) );				// Wait until main OSC is usable

	/* select main OSC, 16MHz, as the PLL clock source */
	CLKSRCSEL = 0x0001;

	// Setting Multiplier and Divider values
  	PLLCFG = 0x0008;					// M=9 N=1 Fcco = 288 MHz
  	pllfeed();

	// Enabling the PLL */
	PLLCON = 0x0001;
	pllfeed();

	/* Set clock divider to 4 (value+1) */
	CCLKCFG = CL_CPU_DIV - 1;			// Fcpu = 72 MHz

#if USE_USB
	USBCLKCFG = USBCLKDivValue;		/* usbclk = 288 MHz/6 = 48 MHz */
#endif
}

/*---------------------------------------------------------------------------*/
void bl_init_ports(void)
{
	SCS |= BIT0;											// Set IO Ports to fast switching mode

	/* UART0 */
	PINSEL0 |= BIT4 + BIT6;									// RxD0 and TxD0
	PINSEL0 &= ~(BIT5 + BIT7);

	//PTTU:

	/*Turn Board on*/
//	PINMODE0 |= BIT1;
//	FIO0DIR |= BIT27;
//	FIO0CLR = BIT27;
//	0.27

	/* 5V*/
//	FIO1DIR |= BIT28; // Synch
//	FIO1SET = BIT28;  // No Powersave
//	1.28

//	FIO1DIR |= BIT27; // 5V off
//	FIO1CLR = BIT27;
//	1.27

	/* Disable Resistors on Buttons */
//	PINMODE4 |= BIT9 + BIT11;
//

	/* Disable Resistors on LED - and Ports to output*/
	PINMODE7 |= BIT19 + BIT21;				//3.25 + 3.26
	PINMODE2 |= BIT1;						//1.0
	FIO1DIR |= BIT0;
	FIO3DIR |= BIT25 + BIT26;
	FIO1SET = BIT0;							//all off
	FIO3SET = BIT25 + BIT26;

	// Config and Disable PA
//	FIO1DIR |= BIT25 + BIT26 + BIT22;
//	FIO1SET = BIT26;
//	FIO1CLR = BIT25;
//	FIO1CLR = BIT22; // PA /Shutdown
//	FIO0DIR |= BIT26; // **  // Important: First put this Port as DA 2.0V and then turn on PA!!
//	FIO0SET = BIT26; // **
//	1.22 + 1.25 + 1.26

	// Configure GPS
	PINMODE3 |= BIT3 + BIT7; // No Pullup on 1.17 & 1.19
	PINMODE9 |= BIT27 + BIT25; // No Pullup for Uart
	FIO1DIR |= BIT17;
	FIO1CLR = BIT17; // Turn off GPS
	FIO1DIR |= BIT19;
	FIO1CLR = BIT19; // Hold in Reset
	PINSEL9 |= BIT24 + BIT25 + BIT26 + BIT27; //4.28 & 4.29 as Uart3

	// Nanotron
	FIO2DIR &= ~BIT8;	// nanotron uC IRQ as input
	FIO1DIR |= BIT15;	// nanotron power on reset
	FIO1DIR &= ~BIT14;	// nanotron uC RESET as input
	FIO1DIR &= ~BIT10;	// nanotron uC Vcc as input
	FIO1DIR |= BIT9;	// nanotron ENABLE as output
	FIO1DIR &= ~BIT4;	// nanotron Rx/Tx as input

	FIO1CLR = BIT15;
	FIO1CLR = BIT9;		// Enable power

	PINMODE1 |= BIT1;   // No Pullup for CS
	FIO0DIR |= BIT16;   // CS as output
	FIO0SET = BIT16;	// drive cs inactive
	FIO0DIR |= BIT18 + BIT15;   // SPi Output

	// RFID
//	FIO1DIR |= BIT1;    // RFID Power
//	FIO1CLR = BIT1;		//
//
//	FIO0DIR |= BIT1;    // RFID Reset
//	FIO0SET = BIT1;     // Hold in Reset
//
//	FIO0DIR &= ~BIT10;  // LED as INPUT
//	FIO0DIR &= ~BIT11;  // DATA as INPUT
//	PINMODE0 |= BIT19 + BIT21; // No Pullups
//	1.1 + 0.1 + 0.10 + 0.11

	// LTC4150 ARM
	FIO0DIR |= BIT5;
	FIO0CLR = BIT5;

	// LTC4150 System
//	FIO0DIR |= BIT24;
//	FIO0CLR = BIT24;
//	0.23 + 0.24

	// Battery Voltage (AD)
	PINMODE1 |= BIT19;					//0.25
	PINSEL1 &= ~BIT19;
	PINSEL1 |= BIT18;

	//cc1100
	FIO0DIR |= BIT6 + BIT7 + BIT9;
	FIO0SET = BIT6;
	FIO0SET = BIT7 + BIT9;

	//SMB380
	FIO1DIR |= BIT20 + BIT21 + BIT24;	//SCK + CSB + SDI
	FIO1SET = BIT21;
	FIO1SET = BIT20 + 24;

	//SHT11
	FIO1DIR |= BIT25;					//1.25
	PINSEL3 &= ~(BIT12|BIT13 | BIT18|BIT19);

	//SD
	FIO0DIR &= ~( BIT19 | BIT20 | BIT21 | BIT22) ;								//0.19 0.20 0.21 0.22 as input
	PINMODE1 |= (BIT7) | (BIT9) | (BIT11) | (BIT13);	// no resistors
	FIO2DIR &= ~( BIT11 + BIT12 + BIT13 );										//2.11 2.12 2.13 as input
	PINMODE4 |= (BIT23) | (BIT25) | (BIT27);			// no resistors

	//Tetra
//	FIO2DIR |= BIT0 + BIT7;
//	2.0 bis 2.7

	// No Pullups on any port
// Does not work, needs more current than pull-ups
//	int nopullup = BIT1 + BIT3 + BIT5 + BIT7 + BIT9 + BIT11 + BIT13 + BIT15 + BIT17 + BIT19 + BIT21 + BIT23 + BIT25 + BIT27 + BIT29 + BIT31;
//	PINMODE0 = nopullup - BIT13 - BIT15 - BIT17 - BIT19;
//	PINMODE1 = BIT1 + BIT3 + BIT5 + BIT7 + BIT9 + BIT11 + BIT13 + BIT15 + BIT17 + BIT19 + BIT21;
//	PINMODE2 = nopullup;
//	PINMODE3 = nopullup;
//	PINMODE4 = nopullup;
//	PINMODE5 = nopullup;
//	PINMODE6 = nopullup;
//	PINMODE7 = nopullup;
//	PINMODE8 = nopullup;
//	PINMODE9 = nopullup;
}