You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
218 lines
8.2 KiB
C
218 lines
8.2 KiB
C
/******************************************************************************
|
|
* 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 <stdint.h>
|
|
#include "iodefine.h"
|
|
#include "rskrx210def.h"
|
|
#include "hd44780.h" /* EZ-LCD include file */
|
|
|
|
/******************************************************************************
|
|
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.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. */
|
|
/* Configure LED 0-4 pin settings */
|
|
PORT1.PODR.BIT.B4 = 1;
|
|
PORT1.PODR.BIT.B5 = 1;
|
|
PORT1.PODR.BIT.B6 = 1;
|
|
PORT1.PODR.BIT.B7 = 1;
|
|
|
|
PORT1.PDR.BIT.B4 = 1;
|
|
PORT1.PDR.BIT.B5 = 1;
|
|
PORT1.PDR.BIT.B6 = 1;
|
|
PORT1.PDR.BIT.B7 = 1;
|
|
|
|
|
|
|
|
|
|
#if INCLUDE_LCD == 1
|
|
/* Set LCD pins as outputs */
|
|
/* LCD-RS */
|
|
PORTJ.PDR.BIT.B1 = 1;
|
|
/* LCD-EN */
|
|
PORTJ.PDR.BIT.B3 = 1;
|
|
/*LCD-data */
|
|
PORTH.PDR.BYTE = 0x0F;
|
|
#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 ==== */
|
|
|
|
unsigned int i;
|
|
|
|
SYSTEM.PRCR.WORD = 0xA503; /* Protect off */
|
|
|
|
#if (CLK_SRC_HOCO == 1)
|
|
SYSTEM.HOCOPCR.BYTE = 0x00; /* HOCO power supply on */
|
|
SYSTEM.HOCOCR2.BYTE = 0x03; /* Select - 50MHz */
|
|
SYSTEM.HOCOCR.BYTE = 0x01; /* HOCO is operating */
|
|
|
|
for(i=0; i<10; i++){ /* wait over 60us */
|
|
}
|
|
#else
|
|
SYSTEM.MOSCWTCR.BYTE = 0x0C; /* Main Clock Oscillator Wait Control Register */
|
|
/* 65536 states */
|
|
/* wait over 2 ms @20MHz */
|
|
|
|
SYSTEM.PLLWTCR.BYTE = 0x0B; /* PLL Wait Control Register */
|
|
/* 262144 states */
|
|
/* wait over 2.1 ms @PLL = 80Hz */
|
|
/* (20/2x8*8) */
|
|
|
|
SYSTEM.PLLCR.WORD = 0x0701; /* x8 @PLL */
|
|
/* Input to PLL (EXTAL in) / 2 */
|
|
/* Therefore:
|
|
PLL = EXTAL / 2
|
|
= 20M / 2
|
|
= 10MHz
|
|
PLL * 8 = 80Mhz */
|
|
|
|
SYSTEM.MOSCCR.BYTE = 0x02; /* EXTAL ON */
|
|
/* External oscillation input selection */
|
|
SYSTEM.PLLCR2.BYTE = 0x00; /* PLL ON */
|
|
|
|
for(i = 0; i<263; i++){ /* wait over 2.1ms */
|
|
}
|
|
#endif
|
|
|
|
// SYSTEM.SCKCR.LONG = 0x21823333; /* ICK=PLL/2,FCK,PCK,BCL=PLL/4 */
|
|
/************************************************************************/
|
|
/* If setting bits individually, rather than a single long write, */
|
|
/* set the BCK value before that of ICK */
|
|
/************************************************************************/
|
|
SYSTEM.SCKCR.BIT.PCKD = 3; /* PLL/8 = 10MHz */
|
|
SYSTEM.SCKCR.BIT.PCKC = 3; /* PLL/8 = 10MHz */
|
|
SYSTEM.SCKCR.BIT.PCKB = 3; /* PLL/8 = 10MHz */
|
|
SYSTEM.SCKCR.BIT.PCKA = 3; /* PLL/8 = 10MHz */
|
|
SYSTEM.SCKCR.BIT.BCK = 3; /* PLL/8 = 10MHz */
|
|
SYSTEM.SCKCR.BIT.PSTOP1 = 1; /* BUS CLK OUT Disabled */
|
|
SYSTEM.SCKCR.BIT.ICK = 1; /* PLL/2 = 40MHz */
|
|
SYSTEM.SCKCR.BIT.FCK = 2; /* PLL/4 = 20MHz */
|
|
|
|
while(SYSTEM.OPCCR.BIT.OPCMTSF == 1);
|
|
SYSTEM.OPCCR.BIT.OLPCM = 0;
|
|
while(SYSTEM.OPCCR.BIT.OPCMTSF == 1);
|
|
#if (CLK_SRC_HOCO == 1)
|
|
SYSTEM.SCKCR3.WORD = 0x0100; /* LOCO -> HOCO */
|
|
#else
|
|
SYSTEM.SCKCR3.WORD = 0x0400; /* LOCO -> PLL */
|
|
#endif
|
|
}
|