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@ -1,56 +1,73 @@
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/******************************************************************************
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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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* Copyright (C) 2013 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup pttu
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* @ingroup pttu
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* @{
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*/
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/**
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* @file
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* @brief PTTU board initialization
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* @brief PTTU board initialization
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*
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* @author Freie Universität Berlin, Computer Systems & Telematics, FeuerWhere project
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* @author Heiko Will
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* @author Kaspar Schleiser
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* @author Heiko Will
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* @author Kaspar Schleiser
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*
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*/
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#include "board.h"
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#include "msba2_common.h"
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#include "VIC.h"
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#include "cpu.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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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 |= 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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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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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 |= BIT4 + BIT6; // RxD0 and TxD0
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PINSEL0 &= ~(BIT5 + BIT7);
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/*Turn Board on*/
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@ -94,24 +111,24 @@ void bl_init_ports(void)
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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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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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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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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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FIO1CLR = BIT1; //
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FIO0DIR |= BIT1; // RFID Reset
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FIO0SET = BIT1; // Hold in Reset
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Oleg Hahm
10 years ago