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/*
* Copyright (C) 2013 Freie Universitรคt Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_pttu
* @{
*/
/**
* @file
* @brief PTTU board initialization
*
* @author Heiko Will
* @author Kaspar Schleiser
*
*/
#include "board.h"
#include "msba2_common.h"
#include "VIC.h"
#include "cpu.h"
#define CL_CPU_DIV 4
/*---------------------------------------------------------------------------*/
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 |= 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)
{
gpio_init_ports();
/* UART0 */
PINSEL0 |= BIT4 + BIT6; /* RxD0 and TxD0 */
PINSEL0 &= ~(BIT5 + BIT7);
/* Turn Board on */
PINMODE0 |= BIT1;
FIO0DIR |= BIT27;
FIO0CLR = BIT27;
/* 5V*/
FIO1DIR |= BIT28; /* Synch */
FIO1SET = BIT28; /* No Powersave */
FIO1DIR |= BIT27; /* 5V off */
FIO1CLR = BIT27;
/* Disable Resistors on Buttons */
PINMODE4 |= BIT9 + BIT11;
/* Disable Resistors on LED - and Ports to output*/
PINMODE7 |= BIT19 + BIT21;
PINMODE2 |= BIT1;
FIO1DIR |= BIT0;
FIO3DIR |= BIT25 + BIT26;
FIO1SET = BIT0;
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; /* ** */
/* 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 */
/* LTC4150 ARM */
FIO0DIR |= BIT5;
FIO0CLR = BIT5;
/* LTC4150 System */
FIO0DIR |= BIT24;
FIO0CLR = BIT24;
/* Battery Voltage (AD) */
PINMODE1 |= BIT19;
PINSEL1 &= ~BIT19;
PINSEL1 |= BIT18;
/*cc1100 */
FIO0DIR |= BIT6 + BIT7 + BIT9;
FIO0SET = BIT6;
FIO0SET = BIT7 + BIT9;
/*SD */
FIO2DIR |= BIT12 + BIT13 + BIT11;
FIO0DIR |= BIT20 + BIT22 + BIT21;
/*Tetra */
FIO2DIR |= BIT0 + BIT7;
/* No Pullups on any port */
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;
}
/** @} */
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