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/******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Technology Corp. and is only
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* intended for use with Renesas products. No other uses are authorized.
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* This software is owned by Renesas Technology Corp. and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES
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* REGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY
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* DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* TECHNOLOGY CORP. NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
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* FOR ANY REASON RELATED TO THE THIS SOFTWARE, EVEN IF RENESAS OR ITS
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* AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this
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* software and to discontinue the availability of this software.
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* By using this software, you agree to the additional terms and
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* conditions found by accessing the following link:
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* http://www.renesas.com/disclaimer
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******************************************************************************
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* Copyright (C) 2008. Renesas Technology Corp., All Rights Reserved.
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*******************************************************************************
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* File Name : hwsetup.c
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* Version : 1.00
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* Description : Power up hardware initializations
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******************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 15.02.2010 1.00 First Release
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******************************************************************************/
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/******************************************************************************
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Includes <System Includes> , "Project Includes"
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******************************************************************************/
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#include "iodefine.h"
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#include "rskrx62ndef.h"
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// #include "lcd.h" Uncomment this if an LCD is present.
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/******************************************************************************
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Typedef definitions
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******************************************************************************/
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/******************************************************************************
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Macro definitions
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******************************************************************************/
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/******************************************************************************
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Imported global variables and functions (from other files)
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******************************************************************************/
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/******************************************************************************
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Exported global variables and functions (to be accessed by other files)
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******************************************************************************/
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/******************************************************************************
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Private global variables and functions
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******************************************************************************/
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void io_set_cpg(void);
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void ConfigurePortPins(void);
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void EnablePeripheralModules(void);
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/******************************************************************************
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* Function Name: HardwareSetup
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* Description : This function does initial setting for CPG port pins used in
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* : the Demo including the MII pins of the Ethernet PHY connection.
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void HardwareSetup(void)
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{
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/* CPG setting */
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io_set_cpg();
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/* Setup the port pins */
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ConfigurePortPins();
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/* Enables peripherals */
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EnablePeripheralModules();
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#if INCLUDE_LCD == 1
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/* Initialize display */
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InitialiseDisplay();
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#endif
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}
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/******************************************************************************
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* Function Name: EnablePeripheralModules
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* Description : Enables Peripheral Modules before use
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void EnablePeripheralModules(void)
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{
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/* Module standby clear */
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SYSTEM.MSTPCRB.BIT.MSTPB15 = 0; /* EtherC, EDMAC */
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SYSTEM.MSTPCRA.BIT.MSTPA15 = 0; /* CMT0 */
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}
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/******************************************************************************
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* Function Name: ConfigurePortPins
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* Description : Configures port pins.
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void ConfigurePortPins(void)
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{
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/* Port pins default to inputs. To ensure safe initialisation set the pin states
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before changing the data direction registers. This will avoid any unintentional
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state changes on the external ports.
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Many peripheral modules will override the setting of the port registers. Ensure
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that the state is safe for external devices if the internal peripheral module is
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disabled or powered down. */
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/* ==== MII/RMII Pins setting ==== */
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/*--------------------------------------*/
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/* Port Function Control Register */
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/*--------------------------------------*/
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#if ETH_MODE_SEL == ETH_MII_MODE
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/* EE=1, PHYMODE=1, ENETE3=1, ENETE2=0, ENETE1=1, ENETE0=0 (Ethernet) */
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IOPORT.PFENET.BYTE = 0x9A;
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#else /* ETH_MODE_SEL */
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/* EE=1, PHYMODE=0, ENETE3=0, ENETE2=0, ENETE1=1, ENETE0=0 (Ethernet) */
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IOPORT.PFENET.BYTE = 0x82;
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#endif /* ETH_MODE_SEL */
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/*-------------------------------------------*/
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/* Input Buffer Control Register (ICR) */
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/*-------------------------------------------*/
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#if ETH_MODE_SEL == ETH_MII_MODE
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/* P54=1 Set ET_LINKSTA input */
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PORT5.ICR.BIT.B4 = 1;
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/* P71=1 Set ET_MDIO input */
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PORT7.ICR.BIT.B1 = 1;
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/* P74=1 Set ET_ERXD1 input */
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PORT7.ICR.BIT.B4 = 1;
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/* P75=1 Set ET_ERXD0 input */
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PORT7.ICR.BIT.B5 = 1;
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/* P76=1 Set ET_RX_CLK input */
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PORT7.ICR.BIT.B6 = 1;
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/* P77=1 Set ET_RX_ER input */
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PORT7.ICR.BIT.B7 = 1;
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/* P83=1 Set ET_CRS input */
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PORT8.ICR.BIT.B3 = 1;
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/* PC0=1 Set ET_ERXD3 input */
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PORTC.ICR.BIT.B0 = 1;
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/* PC1=1 Set ET_ERXD2 input */
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PORTC.ICR.BIT.B1 = 1;
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/* PC2=1 Set ET_RX_DV input */
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PORTC.ICR.BIT.B2 = 1;
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/* PC4=1 Set EX_TX_CLK input */
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PORTC.ICR.BIT.B4 = 1;
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/* PC7=1 Set ET_COL input */
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PORTC.ICR.BIT.B7 = 1;
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#else /* ETH_MODE_SEL */
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/* P54=1 Set ET_LINKSTA input */
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PORT5.ICR.BIT.B4 = 1;
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/* P71=1 Set ET_MDIO input */
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PORT7.ICR.BIT.B1 = 1;
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/* P74=1 Set RMII_RXD1 input */
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PORT7.ICR.BIT.B4 = 1;
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/* P75=1 Set RMII_RXD0 input */
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PORT7.ICR.BIT.B5 = 1;
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/* P76=1 Set REF50CLK input */
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PORT7.ICR.BIT.B6 = 1;
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/* P77=1 Set RMII_RX_ER input */
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PORT7.ICR.BIT.B7 = 1;
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/* P83=1 Set RMII_CRS_DV input */
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PORT8.ICR.BIT.B3 = 1;
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#endif /* ETH_MODE_SEL */
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/* Configure LED 0-5 pin settings */
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PORT0.DR.BIT.B2 = 1;
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PORT0.DR.BIT.B3 = 1;
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PORT0.DR.BIT.B5 = 1;
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PORT3.DR.BIT.B4 = 1;
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PORT6.DR.BIT.B0 = 1;
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PORT7.DR.BIT.B3 = 1;
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PORT0.DDR.BIT.B2 = 1;
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PORT0.DDR.BIT.B3 = 1;
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PORT0.DDR.BIT.B5 = 1;
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PORT3.DDR.BIT.B4 = 1;
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PORT6.DDR.BIT.B0 = 1;
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PORT7.DDR.BIT.B3 = 1;
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/* Configure SW 1-3 pin settings */
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PORT0.DDR.BIT.B0 = 0;
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PORT0.DDR.BIT.B1 = 0;
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PORT0.DDR.BIT.B7 = 0;
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PORT0.ICR.BIT.B0 = 1;
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PORT0.ICR.BIT.B1 = 1;
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PORT0.ICR.BIT.B7 = 1;
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#if INCLUDE_LCD == 1
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/* Set LCD pins as outputs */
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/* LCD-RS */
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PORT8.DDR.BIT.B4 = 1;
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/* LCD-EN */
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PORT8.DDR.BIT.B5 = 1;
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/*LCD-data */
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PORT9.DDR.BYTE = 0xF0;
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#endif
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}
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/******************************************************************************
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* Function Name: io_set_cpg
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* Description : Sets up operating speed
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void io_set_cpg(void)
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{
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/* Set CPU PLL operating frequencies. Changes to the peripheral clock will require
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changes to the debugger and flash kernel BRR settings. */
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/* ==== CPG setting ==== */
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SYSTEM.SCKCR.LONG = 0x00020100; /* Clockin = 12MHz */
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/* I Clock = 96MHz, B Clock = 24MHz, */
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/* P Clock = 48MHz */
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}
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