| /******************************************************************************* | |
| * DISCLAIMER | |
| * This software is supplied by Renesas Electronics Corporation and is only | |
| * intended for use with Renesas products. No other uses are authorized. This | |
| * software is owned by Renesas Electronics Corporation 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 | |
| * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR | |
| * ANY REASON RELATED TO 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) 2012 Renesas Electronics Corporation. All rights reserved. | |
| *******************************************************************************/ | |
| /******************************************************************************* | |
| * File Name : bsc_userdef.c | |
| * $Rev: 17531 $ | |
| * $Date:: 2013-04-10 12:58:44 +0100#$ | |
| * Device(s) : Aragon | |
| * Tool-Chain : DS-5 Ver 5.8 | |
| * : ARM Complier | |
| * OS : | |
| * H/W Platform : Aragon CPU Board | |
| * Description : Aragon Sample Program - Common driver (User define function) | |
| * Operation : | |
| * Limitations : | |
| *******************************************************************************/ | |
| /****************************************************************************** | |
| Includes <System Includes> , "Project Includes" | |
| ******************************************************************************/ | |
| #include "r_typedefs.h" | |
| #include "dev_drv.h" /* Device Driver common header */ | |
| #include "devdrv_common.h" /* Common Driver Header */ | |
| #include "iodefine.h" | |
| /* Do not include the following pragmas when compiling with IAR. */ | |
| #ifndef __ICCARM__ | |
| #pragma arm section code = "CODE_RESET" | |
| #pragma arm section rodata = "CONST_RESET" | |
| #pragma arm section rwdata = "DATA_RESET" | |
| #pragma arm section zidata = "BSS_RESET" | |
| #endif | |
| /****************************************************************************** | |
| Typedef definitions | |
| ******************************************************************************/ | |
| /****************************************************************************** | |
| Macro definitions | |
| ******************************************************************************/ | |
| /* The address when writing in a SDRAM mode register */ | |
| #define SDRAM_MODE_CS2 (*(volatile uint16_t *)(0x3FFFD040)) | |
| #define SDRAM_MODE_CS3 (*(volatile uint16_t *)(0x3FFFE040)) | |
| /****************************************************************************** | |
| Imported global variables and functions (from other files) | |
| ******************************************************************************/ | |
| /****************************************************************************** | |
| Exported global variables and functions (to be accessed by other files) | |
| ******************************************************************************/ | |
| /****************************************************************************** | |
| Private global variables and functions | |
| ******************************************************************************/ | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS0Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS0Init(void) | |
| { | |
| /* ---- CS0BCR settings ---- */ | |
| BSC.CS0BCR.LONG = 0x10000C00ul; | |
| /* Idle Cycles between Write-read Cycles */ | |
| /* and Write-write Cycles : 1 idle cycle */ | |
| /* Data Bus Size: 16-bit */ | |
| /* ---- CS0WCR settings ---- */ | |
| BSC.CS0WCR.NORMAL.LONG = 0x00000B40ul; | |
| /* Number of Delay Cycles from Address, */ | |
| /* CS0# Assertion to RD#,WEn Assertion */ | |
| /* : 1.5 cycles */ | |
| /* Number of Access Wait Cycles: 6 cycles */ | |
| /* Delay Cycles from RD,WEn# negation to */ | |
| /* Address,CSn# negation: 0.5 cycles */ | |
| } | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS1Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS1Init(void) | |
| { | |
| /* ---- CS1BCR settings ---- */ | |
| BSC.CS1BCR.LONG = 0x10000C00ul; | |
| /* Idle Cycles between Write-read Cycles */ | |
| /* and Write-write Cycles : 1 idle cycle */ | |
| /* Data Bus Size: 16-bit */ | |
| /* ---- CS1WCR settings ---- */ | |
| BSC.CS1WCR.LONG = 0x00000B40ul; | |
| /* Number of Delay Cycles from Address, */ | |
| /* CS0# Assertion to RD#,WEn Assertion */ | |
| /* : 1.5 cycles */ | |
| /* Number of Access Wait Cycles: 6 cycles */ | |
| /* Delay Cycles from RD,WEn# negation to */ | |
| /* Address,CSn# negation: 0.5 cycles */ | |
| } | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS2Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS2Init(void) | |
| { | |
| /* ==== CS2BCR settings ==== */ | |
| BSC.CS2BCR.LONG = 0x00004C00ul; | |
| /* Idle Cycles between Write-read Cycles */ | |
| /* and Write-write Cycles : 0 idle cycles */ | |
| /* Memory type :SDRAM */ | |
| /* Data Bus Size : 16-bit */ | |
| /* ==== CS2WCR settings ==== */ | |
| BSC.CS2WCR.SDRAM.LONG = 0x00000480ul; | |
| /* CAS latency for Area 2 : 2 cycles */ | |
| /* ==== Written in SDRAM Mode Register ==== */ | |
| SDRAM_MODE_CS2 = 0; | |
| /* The writing data is arbitrary */ | |
| /* SDRAM mode register setting CS2 space */ | |
| /* Burst read (burst length 1)./Burst write */ | |
| } | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS3Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS3Init(void) | |
| { | |
| volatile int32_t cnt; | |
| cnt = 150; | |
| while (cnt-- > 0) | |
| { | |
| /* wait */ | |
| } | |
| /* ==== CS3BCR settings ==== */ | |
| BSC.CS3BCR.LONG = 0x00004C00ul; | |
| /* Idle Cycles between Write-read Cycles */ | |
| /* and Write-write Cycles : 0 idle cycles */ | |
| /* Memory type :SDRAM */ | |
| /* Data Bus Size : 16-bit */ | |
| /* ==== CS3WCR settings ==== */ | |
| BSC.CS3WCR.SDRAM.LONG = 0x00002492ul; | |
| /* Precharge completion wait cycles: 1 cycle */ | |
| /* Wait cycles between ACTV command */ | |
| /* and READ(A)/WRITE(A) command : 1 cycles */ | |
| /* CAS latency for Area 3 : 2 cycles */ | |
| /* Auto-precharge startup wait cycles : 2 cycles */ | |
| /* Idle cycles from REF command/self-refresh */ | |
| /* Release to ACTV/REF/MRS command : 5 cycles */ | |
| /* ==== SDCR settings ==== */ | |
| BSC.SDCR.LONG = 0x00120812ul; | |
| /* Row address for Area 2 : 13-bit */ | |
| /* Column Address for Area 2 : 10-bit */ | |
| /* Refresh Control :Refresh */ | |
| /* RMODE :Auto-refresh is performed */ | |
| /* BACTV :Auto-precharge mode */ | |
| /* Row address for Area 3 : 13-bit */ | |
| /* Column Address for Area 3 : 10-bit */ | |
| /* ==== RTCOR settings ==== */ | |
| BSC.RTCOR.LONG = 0xA55A0020ul; | |
| /* 7.813usec /240nsec */ | |
| /* = 32(0x20)cycles per refresh */ | |
| /* ==== RTCSR settings ==== */ | |
| BSC.RTCSR.LONG = 0xA55A0010ul; | |
| /* Initialization sequence start */ | |
| /* Clock select B-phy/16 */ | |
| /* Refresh count :Once */ | |
| /* ==== Written in SDRAM Mode Register ==== */ | |
| SDRAM_MODE_CS3 = 0; | |
| /* The writing data is arbitrary */ | |
| /* SDRAM mode register setting CS3 space */ | |
| /* Burst read (burst length 1)./Burst write */ | |
| } | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS4Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS4Init(void) | |
| { | |
| } | |
| /****************************************************************************** | |
| * Function Name: Userdef_BSC_CS5Init | |
| * Description : | |
| * Arguments : none | |
| * Return Value : none | |
| ******************************************************************************/ | |
| void Userdef_BSC_CS5Init(void) | |
| { | |
| } | |
| /* End of File */ | |