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151 lines
6.0 KiB
C
151 lines
6.0 KiB
C
/******************************************************************************
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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 <stdint.h>
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#include <iorx62n.h>
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#include "yrdkrx62ndef.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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/******************************************************************************
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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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uint32_t sckcr = 0;
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/* Configure system clocks based on header */
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sckcr += (ICLK_MUL==8) ? (0ul << 24) : (ICLK_MUL==4) ? (1ul << 24) : (ICLK_MUL==2) ? (2ul << 24) : (3ul << 24);
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sckcr += (BCLK_MUL==8) ? (0ul << 16) : (BCLK_MUL==4) ? (1ul << 16) : (BCLK_MUL==2) ? (2ul << 16) : (3ul << 16);
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sckcr += (PCLK_MUL==8) ? (0ul << 8) : (PCLK_MUL==4) ? (1ul << 8) : (PCLK_MUL==2) ? (2ul << 8) : (3ul << 8);
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SYSTEM.SCKCR.LONG = sckcr;
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/* Module standby clear - EtherC, EDMAC */
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SYSTEM.MSTPCRB.BIT.MSTPB15 = 0;
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PORT0.DDR.BYTE = 0x00 ; // Port 0: inputs (IRQ's from ethernet & WiFi)
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PORT1.DDR.BYTE = 0x00 ; // Port 1: inputs (IIC and USB settings will override these later)
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PORT2.DDR.BYTE = 0x1A ; // Port 2: USB signals
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PORT3.DDR.BYTE = 0x04 ; // Port 3: JTAG (P30, P31, P34), CAN (P32=Tx, P33=Rx), NMI (P35)
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PORT4.DDR.BYTE = 0x00 ; // Port 4: Switches (P40-P42), AIN (P43-P47)
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PORT5.DDR.BYTE = 0x3B ; // Port 5: Audio (P55,P54), BCLK (P53), SCI (P52=Rx, P50=Tx), LCD-RS (P51)
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PORTA.DR.BYTE = 0x00 ; // Port A outputs all LOW to start
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PORTA.DDR.BYTE = 0xFF ; // Port A: Expansion (PA0-PA2), Ether (PA3-PA5), Audio (PA6-PA7)
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PORTB.DR.BYTE = 0x00 ;
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PORTB.DDR.BYTE = 0x70 ; // Port B: Ether
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PORTC.DR.BYTE = 0xF7 ; // Port C: Chip selects, clock = high; IO reset = low (not reset, needed by Ether PHY)
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PORTC.DDR.BYTE = 0x7F ; // Port C: SPI (PC0-2, PC4-7), IO reset (PC3)
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// Ethernet settings
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IOPORT.PFENET.BYTE = 0x82; // Enable Ether poins, RMII mode, enable LINKSTA
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PORTA.ICR.BIT.B5 = 1; // ET_LINKSTA
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PORTA.ICR.BIT.B3 = 1; // ET_MDIO
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PORTB.ICR.BIT.B0 = 1; // RMII_RXD1
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PORTB.ICR.BIT.B1 = 1; // RMII_RXD0
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PORTB.ICR.BIT.B2 = 1; // REF50CLK
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PORTB.ICR.BIT.B3 = 1; // RMII_RX_ER
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PORTB.ICR.BIT.B7 = 1; // RMII_CRS_DV
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/* Configure LEDs */
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LED4 = LED_OFF;
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LED5 = LED_OFF;
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LED6 = LED_OFF;
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LED7 = LED_OFF;
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LED8 = LED_OFF;
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LED9 = LED_OFF;
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LED10 = LED_OFF;
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LED11 = LED_OFF;
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LED12 = LED_OFF;
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LED13 = LED_OFF;
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LED14 = LED_OFF;
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LED15 = LED_OFF;
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LED4_DDR = 1;
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LED5_DDR = 1;
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LED6_DDR = 1;
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LED7_DDR = 1;
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LED8_DDR = 1;
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LED9_DDR = 1;
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LED10_DDR = 1;
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LED11_DDR = 1;
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LED12_DDR = 1;
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LED13_DDR = 1;
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LED14_DDR = 1;
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LED15_DDR = 1;
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/* Configure push button switches */
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SW1_DDR = 0;
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SW2_DDR = 0;
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SW3_DDR = 0;
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SW1_ICR = 1;
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SW2_ICR = 1;
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SW3_ICR = 1;
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}
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