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