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236 lines
6.5 KiB
C
236 lines
6.5 KiB
C
/******************************************************************************
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Copyright 2008-2009, Freie Universitaet Berlin (FUB). All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer Systems
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and Telematics group (http://cst.mi.fu-berlin.de).
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-------------------------------------------------------------------------------
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This file is part of FeuerWare.
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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FeuerWare is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see http://www.gnu.org/licenses/ .
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--------------------------------------------------------------------------------
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For further information and questions please use the web site
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http://scatterweb.mi.fu-berlin.de
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and the mailinglist (subscription via web site)
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scatterweb@lists.spline.inf.fu-berlin.de
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*******************************************************************************/
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/**
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* @ingroup avsextrem
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* @{
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*/
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/**
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* @file
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* @brief avsextrem board initialization
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*
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* @author Freie Universit<69>t Berlin, Computer Systems & Telematics, FeuerWhere project
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* @author Heiko Will
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* @author Kaspar Schleise
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* @author Michael Baar <baar@inf.fu-berlin.de>
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* @author Zakaria Kasmi
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* @author Marco Ziegert
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* @author Stefan Pfeiffer
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*
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* @note $Id: board_init.c 1071 2009-04-30 10:15:56Z hwill $
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*/
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#include "lpc23xx.h"
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#include "VIC.h"
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#include "cpu.h"
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#include "gpioint.h"
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#define PCRTC BIT9
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#define CL_CPU_DIV 4
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/*---------------------------------------------------------------------------*/
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static inline void
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pllfeed(void)
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{
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PLLFEED = 0xAA;
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PLLFEED = 0x55;
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}
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/*---------------------------------------------------------------------------*/
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void init_clks1(void)
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{
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// Disconnect PLL
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PLLCON &= ~0x0002;
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pllfeed();
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while (PLLSTAT & BIT25); // wait until PLL is disconnected before disabling - deadlock otherwise
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// Disable PLL
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PLLCON &= ~0x0001;
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pllfeed();
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while (PLLSTAT & BIT24); // wait until PLL is disabled
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SCS |= 0x10; // main OSC between 15MHz and 24MHz (more stable in tests)
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SCS |= 0x20; // Enable main OSC
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while( !(SCS & 0x40) ); // Wait until main OSC is usable
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/* select main OSC, 16MHz, as the PLL clock source */
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CLKSRCSEL = 0x0001;
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// Setting Multiplier and Divider values
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PLLCFG = 0x0008; // M=9 N=1 Fcco = 288 MHz
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pllfeed();
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// Enabling the PLL */
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PLLCON = 0x0001;
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pllfeed();
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/* Set clock divider to 4 (value+1) */
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CCLKCFG = CL_CPU_DIV - 1; // Fcpu = 72 MHz
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#if USE_USB
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USBCLKCFG = USBCLKDivValue; /* usbclk = 288 MHz/6 = 48 MHz */
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#endif
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}
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/*---------------------------------------------------------------------------*/
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void bl_init_ports(void)
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{
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SCS |= BIT0; // Set IO Ports to fast switching mode
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/* UART0 */
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PINSEL0 |= BIT4 + BIT6; // RxD0 and TxD0
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PINSEL0 &= ~(BIT5 + BIT7);
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//PTTU:
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/*Turn Board on*/
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// PINMODE0 |= BIT1;
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// FIO0DIR |= BIT27;
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// FIO0CLR = BIT27;
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// 0.27
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/* 5V*/
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// FIO1DIR |= BIT28; // Synch
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// FIO1SET = BIT28; // No Powersave
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// 1.28
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// FIO1DIR |= BIT27; // 5V off
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// FIO1CLR = BIT27;
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// 1.27
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/* Disable Resistors on Buttons */
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// PINMODE4 |= BIT9 + BIT11;
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//
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/* Disable Resistors on LED - and Ports to output*/
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PINMODE7 |= BIT19 + BIT21; //3.25 + 3.26
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PINMODE2 |= BIT1; //1.0
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FIO1DIR |= BIT0;
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FIO3DIR |= BIT25 + BIT26;
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FIO1SET = BIT0; //all off
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FIO3SET = BIT25 + BIT26;
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// Config and Disable PA
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// FIO1DIR |= BIT25 + BIT26 + BIT22;
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// FIO1SET = BIT26;
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// FIO1CLR = BIT25;
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// FIO1CLR = BIT22; // PA /Shutdown
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// FIO0DIR |= BIT26; // ** // Important: First put this Port as DA 2.0V and then turn on PA!!
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// FIO0SET = BIT26; // **
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// 1.22 + 1.25 + 1.26
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// Configure GPS
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PINMODE3 |= BIT3 + BIT7; // No Pullup on 1.17 & 1.19
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PINMODE9 |= BIT27 + BIT25; // No Pullup for Uart
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FIO1DIR |= BIT17;
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FIO1CLR = BIT17; // Turn off GPS
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FIO1DIR |= BIT19;
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FIO1CLR = BIT19; // Hold in Reset
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PINSEL9 |= BIT24 + BIT25 + BIT26 + BIT27; //4.28 & 4.29 as Uart3
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// Nanotron
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FIO2DIR &= ~BIT8; // nanotron uC IRQ as input
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FIO1DIR |= BIT15; // nanotron power on reset
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FIO1DIR &= ~BIT14; // nanotron uC RESET as input
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FIO1DIR &= ~BIT10; // nanotron uC Vcc as input
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FIO1DIR |= BIT9; // nanotron ENABLE as output
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FIO1DIR &= ~BIT4; // nanotron Rx/Tx as input
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FIO1CLR = BIT15;
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FIO1CLR = BIT9; // Enable power
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PINMODE1 |= BIT1; // No Pullup for CS
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FIO0DIR |= BIT16; // CS as output
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FIO0SET = BIT16; // drive cs inactive
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FIO0DIR |= BIT18 + BIT15; // SPi Output
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// RFID
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// FIO1DIR |= BIT1; // RFID Power
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// FIO1CLR = BIT1; //
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//
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// FIO0DIR |= BIT1; // RFID Reset
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// FIO0SET = BIT1; // Hold in Reset
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//
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// FIO0DIR &= ~BIT10; // LED as INPUT
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// FIO0DIR &= ~BIT11; // DATA as INPUT
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// PINMODE0 |= BIT19 + BIT21; // No Pullups
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// 1.1 + 0.1 + 0.10 + 0.11
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// LTC4150 ARM
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FIO0DIR |= BIT5;
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FIO0CLR = BIT5;
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// LTC4150 System
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// FIO0DIR |= BIT24;
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// FIO0CLR = BIT24;
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// 0.23 + 0.24
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// Battery Voltage (AD)
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PINMODE1 |= BIT19; //0.25
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PINSEL1 &= ~BIT19;
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PINSEL1 |= BIT18;
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//cc1100
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FIO0DIR |= BIT6 + BIT7 + BIT9;
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FIO0SET = BIT6;
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FIO0SET = BIT7 + BIT9;
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//SMB380
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FIO1DIR |= BIT20 + BIT21 + BIT24; //SCK + CSB + SDI
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FIO1SET = BIT21;
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FIO1SET = BIT20 + 24;
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//SHT11
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FIO1DIR |= BIT25; //1.25
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PINSEL3 &= ~(BIT12|BIT13 | BIT18|BIT19);
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//SD
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FIO0DIR &= ~( BIT19 | BIT20 | BIT21 | BIT22) ; //0.19 0.20 0.21 0.22 as input
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PINMODE1 |= (BIT7) | (BIT9) | (BIT11) | (BIT13); // no resistors
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FIO2DIR &= ~( BIT11 + BIT12 + BIT13 ); //2.11 2.12 2.13 as input
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PINMODE4 |= (BIT23) | (BIT25) | (BIT27); // no resistors
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//Tetra
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// FIO2DIR |= BIT0 + BIT7;
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// 2.0 bis 2.7
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// No Pullups on any port
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// Does not work, needs more current than pull-ups
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// int nopullup = BIT1 + BIT3 + BIT5 + BIT7 + BIT9 + BIT11 + BIT13 + BIT15 + BIT17 + BIT19 + BIT21 + BIT23 + BIT25 + BIT27 + BIT29 + BIT31;
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// PINMODE0 = nopullup - BIT13 - BIT15 - BIT17 - BIT19;
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// PINMODE1 = BIT1 + BIT3 + BIT5 + BIT7 + BIT9 + BIT11 + BIT13 + BIT15 + BIT17 + BIT19 + BIT21;
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// PINMODE2 = nopullup;
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// PINMODE3 = nopullup;
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// PINMODE4 = nopullup;
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// PINMODE5 = nopullup;
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// PINMODE6 = nopullup;
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// PINMODE7 = nopullup;
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// PINMODE8 = nopullup;
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// PINMODE9 = nopullup;
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}
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