mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-06-05 11:59:05 -04:00
174 lines
8.9 KiB
C
174 lines
8.9 KiB
C
/***********************************************************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. No
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* other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
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* applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. TO THE MAXIMUM
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* EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES
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* SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS
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* SOFTWARE, EVEN IF RENESAS OR ITS 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 software and to discontinue the availability of
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* this software. By using this software, you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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*
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* Copyright (C) 2012 Renesas Electronics Corporation. All rights reserved.
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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* File Name : hwsetup.c
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* Device(s) : RX
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* H/W Platform : YRDKRX63N
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* Description : Defines the initialisation routines used each time the MCU is restarted.
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 26.10.2011 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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/* I/O Register and board definitions */
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#include "platform.h"
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/***********************************************************************************************************************
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Private global variables and functions
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***********************************************************************************************************************/
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/* MCU I/O port configuration function delcaration */
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static void output_ports_configure(void);
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/* Interrupt configuration function delcaration */
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static void interrupts_configure(void);
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/* MCU peripheral module configuration function declaration */
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static void peripheral_modules_enable(void);
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/***********************************************************************************************************************
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* Function name: hardware_setup
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* Description : Contains setup functions called at device restart
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void hardware_setup(void)
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{
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output_ports_configure();
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interrupts_configure();
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peripheral_modules_enable();
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}
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/***********************************************************************************************************************
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* Function name: output_ports_configure
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* Description : Configures the port and pin direction settings, and sets the pin outputs to a safe level.
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void output_ports_configure(void)
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{
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SYSTEM.PRCR.WORD = 0xA50B; /* Protect off */
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MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
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MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
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MSTP(EDMAC) = 0 ; /* Power up ethernet block */
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/* Port 0 - DAC & ethernet IRQ */
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PORT0.PODR.BYTE = 0x00 ; /* All outputs low to start */
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PORT0.PDR.BYTE = 0x10 ; /* DA1 is an ouput, all others are inputs */
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/* Port 1 - I2C and USB over-current & pull-up control */
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PORT1.PODR.BYTE = 0x00 ; /* All outputs low to start */
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PORT1.PDR.BYTE = 0x80 ; /* AUD_R (P1.7) is an output, all others are inputs (I2C lines setup by
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* I2C driver later */
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/* Port 2 - USB control and some expansion signals */
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PORT2.PODR.BYTE = 0x02 ; /* All outputs low to start except backlight enable */
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PORT2.PDR.BYTE = 0x02 ; /* All inputs except backlight enable - some will be overridden by USB driver later */
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/* Port 3 - Serial port & JTAG */
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PORT3.PODR.BYTE = 0x00 ; /* All outputs low to start */
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PORT3.PDR.BIT.B2 = 0x01 ; /* Transmit line for SCI6/ CAN 0 TxD is an output */
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/* Port 4 - */
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PORT4.PODR.BYTE = 0x00 ; /* These are all inputs */
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PORT4.PDR.BYTE = 0x00 ; /* Analog inputs and switches, all inputs */
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PORT4.PMR.BYTE = 0x00 ;
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/* Port 5 - */
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PORT5.PODR.BYTE = 0x00 ; /* All outputs low to start */
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PORT5.PDR.BYTE = 0x13 ; /* SCI 2 TxD, LCD_RS, PWMLP_OUT are outputs */
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MPC.P50PFS.BYTE = 0x0A ; /* P50 is TXD2. */
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MPC.P52PFS.BYTE = 0x0A ; /* P52 is RXD2. */
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PORT5.PMR.BYTE = 0x05 ; /* P50 and P52 are used for SCI2. */
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/* Port A - Ethernet MDIO */
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PORTA.PODR.BYTE = 0x00 ; /* */
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PORTA.PMR.BYTE = 0x00 ; /* All GPIO for now */
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MPC.PA3PFS.BYTE = 0x11 ; /* PA3 is RMII MDIO */
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MPC.PA4PFS.BYTE = 0x11 ; /* PA4 is RMII MDC */
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MPC.PA5PFS.BYTE = 0x11 ; /* PA5 is RMII LINK_STA */
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PORTA.PMR.BYTE = 0x38 ; /* PA3-5 are used by Ethernet peripheral */
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PORTA.PDR.BYTE = 0xFF ; /* */
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/* Port B - Ethernet signals */
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PORTB.PODR.BYTE = 0x00 ; /* */
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PORTB.PMR.BYTE = 0x00 ; /* All GPIO for now */
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MPC.PB0PFS.BYTE = 0x12 ; /* PB0 is RMII_RXD1 */
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MPC.PB1PFS.BYTE = 0x12 ; /* PB1 is RMII_RXD0 */
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MPC.PB2PFS.BYTE = 0x12 ; /* PB2 is REF50CK */
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MPC.PB3PFS.BYTE = 0x12 ; /* PB3 is RMI_RX_ERR */
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MPC.PB4PFS.BYTE = 0x12 ; /* PB4 is RMII_TXD_EN */
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MPC.PB5PFS.BYTE = 0x12 ; /* PB5 is RMII_TXD0 */
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MPC.PB6PFS.BYTE = 0x12 ; /* PB6 is RMII_TXD1 */
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MPC.PB7PFS.BYTE = 0x12 ; /* PB7 is RMII_CRS_DV */
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PORTB.PMR.BYTE = 0xFF ; /* All pins assigned to peripheral */
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PORTB.PDR.BYTE = 0xF0 ; /* */
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/* Port C - SPI signals, chip selects, peripheral reset */
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PORTC.PODR.BYTE = 0x00 ; /* */
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PORTC.PMR.BYTE = 0x00 ; /* All GPIO for now */
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MPC.PC5PFS.BYTE = 0x0D ; /* PC5 is RSPCKA */
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MPC.PC6PFS.BYTE = 0x0D ; /* PC6 is MOSIA */
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MPC.PC7PFS.BYTE = 0x0D ; /* PC7 is MISOA */
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PORTC.PMR.BYTE = 0xE0 ; /* PC5-7 assigned to SPI peripheral */
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PORTC.PODR.BYTE = 0x17 ; /* All outputs low to start */
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PORTC.PDR.BYTE = 0x7F ; /* All outputs except MISO */
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/* Port D - LED's */
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PORTD.PODR.BYTE = 0xFF ; /* All outputs LED's off */
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PORTD.PDR.BYTE = 0xFF ; /* All outputs */
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/* Port E - LED's, WiFi & PMOD control */
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PORTE.PODR.BYTE = 0xFF ; /* All LED's off, all chip selects inactive */
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PORTE.PDR.BYTE = 0x7F ; /* All outputs except PMOD_MISO */
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/* Port J - WiFi chip select */
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PORTJ.PODR.BYTE = 0x04 ; /* WiFi CS de-asserted at power up */
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PORTJ.PDR.BYTE = 0x04 ; /* WiFi CS is an output */
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}
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/***********************************************************************************************************************
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* Function name: interrupts_configure
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* Description : Configures interrupts used
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void interrupts_configure(void)
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{
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/* Add code here to setup additional interrupts */
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}
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/***********************************************************************************************************************
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* Function name: peripheral_modules_enable
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* Description : Enables and configures peripheral devices on the MCU
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void peripheral_modules_enable(void)
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{
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/* Add code here to enable peripherals used by the application */
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}
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